CN204076480U - There is slurry distributor, the system of builder - Google Patents

There is slurry distributor, the system of builder Download PDF

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Publication number
CN204076480U
CN204076480U CN201320661182.8U CN201320661182U CN204076480U CN 204076480 U CN204076480 U CN 204076480U CN 201320661182 U CN201320661182 U CN 201320661182U CN 204076480 U CN204076480 U CN 204076480U
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CN
China
Prior art keywords
slurry
distribution
slurry distributor
distributor
molded component
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320661182.8U
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Chinese (zh)
Inventor
W·J·兰格
J·威特鲍德
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United States Gypsum Co
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United States Gypsum Co
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Filing date
Publication date
Priority claimed from US13/659,516 external-priority patent/US10052793B2/en
Priority claimed from US13/844,550 external-priority patent/US9999989B2/en
Application filed by United States Gypsum Co filed Critical United States Gypsum Co
Application granted granted Critical
Publication of CN204076480U publication Critical patent/CN204076480U/en
Anticipated expiration legal-status Critical
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • B28B19/0092—Machines or methods for applying the material to surfaces to form a permanent layer thereon to webs, sheets or the like, e.g. of paper, cardboard

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Producing Shaped Articles From Materials (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
  • Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
  • Coating Apparatus (AREA)
  • Details Of Heat-Exchange And Heat-Transfer (AREA)

Abstract

A kind of slurry distributor and a kind of cementitious slurry mixed distribution assembly.Slurry distributor can comprise: distribution conduit, and it roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with inlet portion fluid.Distribution outlets extends preset distance along transversal line, and transversal line and longitudinal axis are substantially vertical.Distribution outlets comprises exit opening, and exit opening has the width along transversal line and the height along vertical axis, and this vertical axis is mutually vertical with transversal line with longitudinal axis; Builder, it comprises the molded component becoming contact relation with distribution conduit, molded component can move in stroke, to make molded component on a series of position, on described a series of position, the cumulative compressive engagement of part that the adjacent distributions of molded component and distribution conduit exports, to change shape and/or the size of exit opening.The scheme of the application can realize the wider distribution of even gypsum slurry and the air-liquid controlled such as in resistance aqueous foam gypsum slurry can be helped to be separated.

Description

There is slurry distributor, the system of builder
The friendship of related application is quoted again
Patent application claims submit in October 24 in 2012 day, be called the non-provisional 13/659 of " Slurry Distributor; System; and Method for Using Same ", 516 and submit in March 15 in 2013 day, be called the rights and interests of the continuation in part patent application 13/844,550 of " Slurry Distributor with a Profiling Mechanism; System; and Method for Using Same ".
The full content of all aforementioned related applications is incorporated in herein all by reference.
technical field
The disclosure relates to continuous slab (such as, wallboard) manufacture process, and relates more particularly to device, the system and method for the distribution for aqueous calcined gypsum slurry.
background technology
By being diffused into equably by bassanite (being commonly referred to " stuccoing ") in water, to form aqueous calcined gypsum slurry, to make plasterboard be known.Typically, be placed in blender make aqueous calcined gypsum slurry in a continuous manner by stuccoing with water and other additive, blender comprises for stirring inclusion with the device forming uniform gypsum slurry.Slurry is guided towards the exhaust outlet of blender continuously and is entered in the discharge tube be connected with the exhaust outlet of blender by the exhaust outlet of blender.Resistance aqueous foam can be combined by the aqueous calcined gypsum slurry in blender and/or in discharge tube.Stream of slurry is by discharge tube, and stream of slurry deposits to the removable cover mesh sheet material that supported by forming table continuously from discharge tube.The online side that slurry is advancing is allowed to scatter.Second cover net sheet material is applied in cover slurry and forms the sandwich of continuous wallboard preform, and the sandwich of continuous wallboard preform is passed through and is shaped, such as at the forming table place of routine, to obtain the thickness of expectation.Water in bassanite and wallboard preform reacts and moves down along manufacturing circuit and solidify along with wallboard preform.The point place section of being cut into that wallboard preform is fully solidifying along the wallboard preform of circuit, section is reversed, and dry (such as, in oven) is to distillate excessive water, and treated to provide the wallboard finished product of desired size.
Be incorporated in commonly assigned United States Patent (USP) 5,683,635,5,643,510,6 herein by reference, 494,609,6,874,930,7,007,914 and 7,296, disclose the existing apparatus and method for solving the certain operations problem relevant to the production of plaster wall slab in 919.
In the art, aqueous phase is commonly called " water stucco ratio " (WSR) for the part by weight stuccoed of the finished product being combined to form given amount.When filling a prescription constant, the reduction of WSR correspondingly will increase slurry viscosity, thus the ability that reduction slurry scatters in forming table.The use (such as, reducing WSR) reducing water in gypsum board manufacturing process can produce lot of advantages, comprises the possibility reducing energy requirement in this process.But, viscosity is wished the gypsum slurry of increasing is dispersed in forming table equably and be still a huge difficult problem.
In addition, be, under some situations of wrapping aeriferous heterogeneous slurry, in the discharging slurry conduit of blender, air-liquid pulp separation can occur at slurry.Along with WSR reduces, volume of air increases to keep identical dry density.From liquid slurry mutually be separated air phase degree increase, thus cause tending to larger quality or variable density.
Will be appreciated that utility model people carries out this background description to help reader and should not regard as this representing of being realized in this area of pointed any problem.Although described principle can alleviate problem intrinsic in other system in some schemes and embodiment; but should be understood that; the protection domain of utility model is limited by the claims of enclosing, instead of is limited by the ability of any open feature solving any particular problem mentioned in this article.
Utility model content
In an arrangement, the disclosure relates to the embodiment of the slurry compartment system for the preparation of gypsum product.In one embodiment, the slurry distributor distribution conduit that can comprise feed conduit and be communicated with described feed conduit fluid.Feed conduit can comprise be communicated with distribution conduit fluid first be fed to entrance and to be fed to the isolated relation of entrance and to arrange with first and be communicated with distribution conduit fluid second be fed to entrance.Distribution conduit can generally along longitudinal axis and extend and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Inlet portion is fed to inlet fluid with first and second of feed conduit and is communicated with.Distribution outlets extends preset distance along the transversal line being substantially perpendicular to longitudinal axis.
In other embodiments, slurry distributor comprises feed conduit and distribution conduit.Described feed conduit comprises the first approach section and the second approach section, and the first approach section has the first feeding entrance, and the second approach section has the second feeding entrance, and described second feeding entrance and described first is fed to entrance positioned in spaced relation and arranges.Distribution conduit roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Inlet portion is fed to inlet fluid with first and second of described feed conduit and is communicated with.Distribution outlets extends preset distance along transversal line.Transversal line is substantially vertical with described longitudinal axis.First and second feeding entrances have opening separately, and described opening has sectional area.The inlet portion of distribution conduit has opening, and described opening has the sectional area larger than the sectional area sum of the opening of described first and second feeding entrances.
In other embodiments, slurry distributor comprises feed conduit, distribution conduit and at least one supporting section.Feed conduit comprises the first approach section and the second approach section, and described first approach section has the first feeding entrance, and described second approach section has the second feeding entrance, and described second feeding entrance and described first is fed to entrance positioned in spaced relation and arranges.Distribution conduit roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Inlet portion is fed to inlet fluid with first and second of feed conduit and is communicated with.Each supporting section can move to make supporting section be on a series of position in LAP, on this series of position, and the cumulative compressive engagement of the part of at least one in supporting section and feed conduit and distribution conduit.
In another program of the present disclosure, slurry distributor can be placed with and be communicated with gypsum slurry blender fluid, and gypsum slurry blender is suitable for stirring to form aqueous calcined gypsum slurry to water and bassanite.In one embodiment, present disclosure describes a kind of gypsum slurry mixed distribution assembly, it comprises gypsum slurry blender, and described gypsum slurry blender is suitable for stirring to form aqueous calcined gypsum slurry with to bassanite.Slurry distributor is communicated with gypsum slurry blender fluid and is suitable for the first and second aqueous calcined gypsum stream of slurry of receiving from gypsum slurry blender and the first and second aqueous calcined gypsum stream of slurry are distributed to the online of advance.
Described slurry distributor comprises: the first feeding entrance, and it is suitable for receiving the first aqueous calcined gypsum stream of slurry from gypsum slurry blender; Second feeding entrance, it is suitable for receiving the second aqueous calcined gypsum stream of slurry from gypsum slurry blender; And distribution outlets, its with first and second be fed to entrance all fluid be communicated with and be adapted so that the aqueous calcined gypsum slurry of the first and second streams is discharged by described distribution outlets from slurry distributor.
In another embodiment, slurry distributor comprises feed conduit and distribution conduit.Feed conduit comprises approach section, described approach section have feeding entrance and be communicated with described feeding inlet fluid be fed into inlet/outlet.Approach section is along the first feed stream Axis Extension.Feed conduit comprises setting pipeline, and described shaping pipe road has globular part, and described globular part is communicated with the inlet/outlet fluid that is fed into of approach section.Feed conduit comprises the changeover portion be communicated with described globular part fluid.Changeover portion is along the second feed stream Axis Extension, and described second feed stream axis and described first feed stream axis are non-parallel relation.
Distribution conduit roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Inlet portion is communicated with the feeding inlet fluid of feed conduit.Distribution outlets extends preset distance along transversal line, and described transversal line is substantially vertical with described longitudinal axis.
Globular part has extended area, described extended area have than relative to from feeding entrance towards the flow direction of the distribution outlets of distribution conduit at the large cross-sectional flow area of the cross-sectional flow area of the adjacent area of described extended area upstream.Shaping pipe road has and becomes convex inner surface in the face of relation with the inlet/outlet that is fed into of described approach section.
In yet another embodiment, slurry distributor comprises bifurcated feed conduit and distribution conduit.Bifurcated feed conduit comprises: the first and second feed part, and it has approach section separately, described approach section have feeding entrance and be communicated with described feeding inlet fluid be fed into inlet/outlet; Setting pipeline, its have with described approach section be fed into the globular part that inlet/outlet fluid is communicated with; And changeover portion, it is communicated with described globular part fluid.Approach section roughly extends along vertical axis.Changeover portion extends along the longitudinal axis vertical with vertical axis.
Distribution conduit roughly extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid along longitudinal axis.Inlet portion is fed to inlet fluid with first and second of feed conduit and is communicated with.Distribution outlets extends preset distance along transversal line, and described transversal line is substantially vertical with described longitudinal axis.
First and second globular parts have extended area separately, described extended area have than relative to from corresponding first and second feeding entrances towards the flow direction of the distribution outlets of distribution conduit at the large cross-sectional flow area of the cross-sectional flow area of the adjacent area of described extended area upstream.First and second setting pipelines have separately to be fed into corresponding first and second of described first and second approach sections inlet/outlet becomes faced by the convex inner surface of relation.
In another embodiment, slurry distributor comprises distribution conduit and slurry Wiping mechanism.Distribution conduit roughly longitudinally extends, and distribution outlets is communicated with described inlet portion fluid, and bottom surface extends between inlet portion and distribution outlets.Distribution outlets extends preset distance along transversal line, and transversal line and longitudinal axis are substantially vertical.Slurry Wiping mechanism comprises the movable wiper blade becoming contact relation with the bottom surface of described distribution conduit.Wiper blade can reciprocally move between the first position and the second position on removing path.Described removing path layout adjacent with described distribution outlets.
In yet another embodiment, slurry distributor comprises distribution conduit and builder.Described distribution conduit roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Distribution outlets extends preset distance along transversal line, and described transversal line is substantially vertical with described longitudinal axis.Distribution outlets comprises exit opening, and described exit opening has the width along transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis.
Described builder comprises the molded component becoming contact relation with described distribution conduit.Described molded component can move in stroke, to make described molded component on a series of position, on described a series of position, the cumulative compressive engagement of part of the described distribution outlets of vicinity of described molded component and described distribution conduit is to change shape and/or the size of exit opening.
In another program of the present disclosure, slurry distributor may be used in cementitious slurry mixed distribution assembly.Such as, slurry distributor can be used in aqueous calcined gypsum slurry to be distributed to the online of advance.In other embodiments, the gypsum slurry mixed distribution assembly slurry distributor that comprises blender and be communicated with described blender fluid.Described blender is suitable for stirring to form aqueous calcined gypsum slurry to water and bassanite.Slurry distributor comprises feed conduit and distribution conduit.
Feed conduit comprises the first approach section and the second approach section, and described first approach section has the first feeding entrance, and described second approach section has the second feeding entrance, and described second feeding entrance and described first is fed to entrance positioned in spaced relation and arranges.Described first feeding entrance is suitable for receiving the first aqueous calcined gypsum stream of slurry from described gypsum slurry blender.Second feeding entrance is suitable for receiving the second aqueous calcined gypsum stream of slurry from gypsum slurry blender.
Distribution conduit roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Inlet portion is fed to inlet fluid with first and second of feed conduit and is communicated with.Distribution outlets extends preset distance along transversal line.Transversal line and longitudinal axis are substantially vertical.Distribution outlets and first and second is fed to entrance fluid and is communicated with and is adapted so that the aqueous calcined gypsum slurry of the first and second streams is discharged by described distribution outlets from described slurry distributor.
First and second feeding entrances have opening separately, and described opening has sectional area.The inlet portion of distribution conduit has opening, and described opening has the sectional area larger than the sectional area sum of the opening of the first and second feeding entrances.
Cementitious slurry mixed distribution assembly comprises: blender, and it is suitable for stirring to form moisture cementitious slurry to water and cementitious matter; And slurry distributor, it is communicated with described blender fluid.Slurry distributor can defer to any one in each embodiment of the slurry distributor of principle of the present disclosure.
In another scheme of the present disclosure, slurry compartment system can be used in the method preparing cementitious product.Such as, slurry distributor can be used in aqueous calcined gypsum slurry to be distributed to the online of advance.
In some embodiments, the online method performing in the slurry distributor according to disclosure principles of construction and aqueous calcined gypsum slurry is distributed to movement can be utilized.First aqueous calcined gypsum stream of slurry and the second aqueous calcined gypsum stream of slurry are fed to entrance and the second feeding entrance respectively by first of slurry distributor.First and second aqueous calcined gypsum stream of slurry combine in slurry distributor.First and second aqueous calcined gypsum stream of slurry are discharged at the online distribution outlets from slurry distributor of movement.
In other embodiments, can utilize and perform according to the slurry distributor of the disclosure principles of construction method preparing gypsum product.First aqueous calcined gypsum stream of slurry is passed through the first feeding entrance of slurry distributor with average first feed rate.Second aqueous calcined gypsum stream of slurry is passed through the second feeding entrance of slurry distributor with average second feed rate.Described second feeding entrance and described first is fed to entrance positioned in spaced relation.First and second aqueous calcined gypsum stream of slurry combine in slurry distributor.First and second aqueous calcined gypsum stream of slurry of combination are discharged to along the cover net sheet material of machine direction movement from the distribution outlets of slurry distributor with the average velocity of discharge.The average velocity of discharge is less than average first feed rate and average second feed rate.
In another embodiment, can utilize and perform according to the slurry distributor of the disclosure principles of construction method preparing cementitious product.Moisture cementitious slurry stream is discharged from blender.Moisture cementitious slurry stream is passed through the feeding entrance of slurry distributor along the first feed stream axis with average feed rate.Moisture cementitious slurry stream is passed in the globular part of slurry distributor.Globular part has extended area, described extended area have than relative to the flow direction from feeding entrance at the large cross-sectional flow area of the cross-sectional flow area of the adjacent area of described extended area upstream.Globular part is constructed to reduce the average speed moving the moisture cementitious slurry stream by globular part from feeding entrance.Shaping pipe road has convex inner surface, and described convex inner surface becomes with the first feed stream axis in the face of relation, moves in the plane substantially vertical with the first feed stream axis to make moisture cementitious slurry stream with radial flow.Moisture cementitious slurry stream is passed to along in the changeover portion of the second feed stream Axis Extension, and the second feed stream axis and the first feed stream axis are non-parallel relation.Moisture cementitious slurry stream is passed in distribution conduit.Distribution conduit comprises distribution outlets, and described distribution outlets extends preset distance along transversal line, and described transversal line is substantially vertical with described longitudinal axis.
In another embodiment, the method preparing cementitious product comprises discharges moisture cementitious slurry stream from blender.Moisture cementitious slurry stream is passed through the inlet portion of the distribution conduit of slurry distributor.Moisture cementitious slurry stream is discharged to along the cover net sheet material of machine direction movement from the distribution outlets of slurry distributor.Wiper blade to remove on path along the bottom surface of distribution conduit reciprocally mobile with from wherein removing moisture cementitious slurry between the first position and the second position.Remove path layout adjacent with described distribution outlets.
In yet another embodiment, the method preparing cementitious product comprises: from blender, discharge moisture cementitious slurry stream.Moisture cementitious slurry stream is passed through the inlet portion of the distribution conduit of slurry distributor.Moisture cementitious slurry stream is discharged to along on the cover net sheet material of machine direction movement from the exit opening of the distribution outlets of slurry distributor.Distribution outlets extends preset distance along transversal line, and described transversal line is substantially vertical with described longitudinal axis.Exit opening has the width along transversal line and the height along vertical axis, described vertical axis and longitudinal axis and transversal line Relative vertical.The part adjacent with distribution outlets of distribution conduit is compressiblly engaged to change shape and/or the size of exit opening.
Also disclosed herein the embodiment manufacturing the mould used in the method for slurry distributor according to principle of the present disclosure.Also disclosed herein according to the embodiment of disclosure principle for the support member of slurry distributor.
By according to below detailed description and accompanying drawing understand disclosed principle further with optional scheme and feature.Will be appreciated that slurry compartment system disclosed herein can be implemented at other and in different embodiments and use, and can modify in all fields.Therefore, should be understood that general introduction above and detailed description below are all only exemplary and description, and do not limit the scope of following claims.
Accompanying drawing explanation
Patent or application documents contain at least one accompanying drawing realized with colour.There is copy disclosed in this patent of color drawings or patent application to be provided by official when asking and pay necessary expenses.
Fig. 1 is the stereogram of the embodiment of slurry distributor according to disclosure principles of construction.
Fig. 2 is the stereogram of the stereogram of the slurry distributor of Fig. 1 and the embodiment according to the slurry distributor support member of disclosure principles of construction.
Fig. 3 is the anterior elevational view of the slurry distributor of Fig. 1 and the slurry distributor support member of Fig. 2.
Fig. 4 is the stereogram of the embodiment of slurry distributor according to disclosure principles of construction, which defines the interior geometry similar with the slurry distributor of Fig. 1, but is formed by constructed of rigid materials and have two-piece construction.
Fig. 5 is another stereogram of the slurry distributor of Fig. 4, but has formation system, for the object of example removes formation system.
Fig. 6 is the isometric view of another embodiment of slurry distributor according to disclosure principles of construction, it comprises the first feeding entrance and the second feeding entrance, and the second feeding entrance is arranged to the feeding angle becoming about 60 degree about the longitudinal axis of slurry distributor or machine direction.
Fig. 7 is the plan view from above of the slurry distributor of Fig. 6.
Fig. 8 is the rear front view of the slurry distributor of Fig. 6.
Fig. 9 is the plan view from above of first of the slurry distributor of the Fig. 6 with two-piece construction.
Figure 10 is the front perspective view of the slurry distribution device of Fig. 9.
Figure 11 is the decomposition view of the slurry distributor of Fig. 6 and the support system according to the slurry distributor of disclosure principles of construction.
Figure 12 is the slurry distributor of Figure 11 and the stereogram of support system.
Figure 13 is the decomposition view of the slurry distributor of Fig. 6 and another embodiment according to the support system of disclosure principles of construction.
Figure 14 is the slurry distributor of Figure 13 and the stereogram of support system.
Figure 15 is the stereogram of the embodiment of slurry distributor according to disclosure principles of construction, which defines the interior geometry similar with the slurry distributor of Fig. 6, but is formed by constructed of rigid materials and have one-piece construction.
Figure 16 is the plan view from above of the slurry distributor of Figure 15.
Figure 17 is the amplification stereogram of the interior geometry limited by the slurry distributor of Figure 15, shows the progressive cross-sectional flow area of the part of the feed conduit of slurry distributor.
Figure 18 is the amplification stereogram of the interior geometry of the slurry distributor of Figure 15, shows another progressive cross-sectional flow area of feed conduit.
Figure 19 is the amplification stereogram of the interior geometry of the slurry distributor of Figure 15, shows the another progressive cross-sectional flow area of the feed conduit of aiming at the half of the inlet portion of the distribution conduit of the slurry distributor of Figure 15.
Figure 20 is the stereogram of the slurry distributor of Figure 15 and another embodiment according to the support system of disclosure principles of construction.
Figure 21 is the stereogram of Figure 20, but has support frame, and the object for example removes support frame to illustrate the multiple holding plates becoming distribution relation with the slurry distributor of Figure 15.
Figure 22 is the front perspective view of another embodiment of slurry distributor and another embodiment according to the support system of disclosure principles of construction.
Figure 23 is the slurry distributor of Figure 22 and the rear perspective view of support system.
Figure 24 is the slurry distributor of Figure 22 and the plan view from above of support system.
Figure 25 is the slurry distributor of Figure 22 and the side front view of support system.
Figure 26 is the slurry distributor of Figure 22 and the anterior elevational view of support system.
Figure 27 is the slurry distributor of Figure 22 and the rear front view of support system.
Figure 28 is the detailed view of the amplification of the distal part of slurry distributor, shows the embodiment of the slurry Wiping mechanism according to disclosure principles of construction.
Figure 29 is according to disclosure principles of construction and the stereogram of the builder used in the slurry distributor of Figure 22.
Figure 30 is the anterior elevational view of the builder of Figure 29.
Figure 30 A is the view as Figure 30, shows the molded component of the builder being in compression position.
Figure 30 B is the view as Figure 30, shows the molded component of the builder being in pivot position.
Figure 30 C is the detail exploded view of the amplification of molded component, shows the interconnection technique between translation bar and shaped segment.
Figure 31 is the side front view of the builder of Figure 29.
Figure 32 is the plan view from above of the builder of Figure 29.
Figure 33 is the bottom front view of the builder of Figure 29.
Figure 34 is the slurry distributor of Figure 22 and the plan view from above of support system, for example object removes support frame.
Figure 35 is the detailed view of the amplification that the sidepiece of the globular part of slurry distributor from Figure 22 obtains.
Figure 36 is the stereogram of a pair rigid support plug-in unit on the base support member of the support system being resisted against Figure 22.
Figure 37 is the side front view of the rigid support plug-in unit of Figure 36.
Figure 38 is the anterior elevational view of the rigid support plug-in unit of Figure 36.
Figure 39 is the rear front view of the rigid support plug-in unit of Figure 36.
Figure 40 is the anterior elevational view of the slurry distributor of Figure 22.
Figure 41 is the rear front view of the slurry distributor of Figure 22.
Figure 42 is the face upwarding stereogram of the slurry distributor of Figure 22.
Figure 43 is the face upwarding view of the slurry distributor of Figure 22.
Figure 44 is the plan view from above of the half portion of the slurry distributor of Figure 22.
Figure 45 is the sectional view intercepted along the line 45-45 in Figure 44.
Figure 46 is the sectional view intercepted along the line 46-46 in Figure 44.
Figure 47 is the sectional view intercepted along the line 47-47 in Figure 44.
Figure 48 is the sectional view intercepted along the line 48-48 in Figure 44.
Figure 49 is the sectional view intercepted along the line 49-49 in Figure 44.
Figure 50 is the sectional view intercepted along the line 50-50 in Figure 44.
Figure 51 is the sectional view intercepted along the line 51-51 in Figure 44.
Figure 52 is the sectional view intercepted along the line 52-52 in Figure 44.
Figure 53 is the sectional view intercepted along the line 53-53 in Figure 44.
Figure 54 is according to the stereogram of the embodiment of the Multi-part molds of the slurry distributor of disclosure principles of construction for the manufacture of such as Fig. 1.
Figure 55 is the plan view from above of the mould of Figure 54.
Figure 56 is according to the exploded view of the embodiment of the Multi-part molds of the slurry distributor of disclosure principles of construction for the manufacture of such as Figure 15.
Figure 57 is the stereogram for the manufacture of another embodiment according to the mould of in the two-piece type slurry distributor of disclosure principles of construction.
Figure 58 is the plan view from above of the mould of Figure 57.
Figure 59 is the schematic plan view of the embodiment of the gypsum slurry mixed distribution assembly of the slurry distributor comprised according to disclosure principle.
Figure 60 is the schematic plan view of another embodiment of the gypsum slurry mixed distribution assembly of the slurry distributor comprised according to disclosure principle.
Figure 61 is the schematic elevational view of embodiment manufacturing the green end of circuit according to the plaster wall slab of disclosure principle.
Figure 62 is the stereogram of the embodiment being suitable for the current divider according to disclosure principles of construction used in the gypsum slurry mixed distribution assembly comprising slurry distributor.
Figure 63 is the sectional side front view of the current divider of Figure 62.
Figure 64 is the side front view of the current divider of Figure 62, and the embodiment according to the pressurizing unit of disclosure principles of construction is installed on described current divider.
Figure 65 is the plan view from above of the half portion of the slurry distributor similar with the slurry distributor of Figure 15.
Figure 66 is the drawing of the data of Table I from embodiment 1, it illustrates zero dimension distance apart from feeding entrance to the zero dimension hydraulic radius of the half portion of the slurry distributor of zero dimension area and Figure 65.
Figure 67 is the drawing respectively from the Table II of embodiment 2 and 3 and the data of III, shows apart from being fed to the zero dimension distance of entrance to the mobile non-dimensional velocity by the flowing of the shaping slurry of the half portion of the slurry distributor of Figure 65.
Figure 68 is the drawing respectively from the Table II of embodiment 2 and 3 and the data of III, shows apart from being fed to the zero dimension distance of entrance to moving by the zero dimension shear rate in the shaping slurry of the half portion of the slurry distributor of Figure 65.
Figure 69 is the drawing respectively from the Table II of embodiment 2 and 3 and the data of III, shows apart from being fed to the zero dimension distance of entrance to the mobile zero dimension viscosity by the shaping slurry of the half portion of the slurry distributor of Figure 65.
Figure 70 is the drawing respectively from the Table II of embodiment 2 and 3 and the data of III, shows apart from being fed to the zero dimension distance of entrance to moving by the zero dimension shear stress in the shaping slurry of the half portion of the slurry distributor of Figure 65.
Figure 71 is the drawing respectively from the Table II of embodiment 2 and 3 and the data of III, shows apart from being fed to the zero dimension distance of entrance to the mobile zero dimension Reynolds number by the shaping slurry of the half portion of the slurry distributor of Figure 65.
Figure 72 is the plan view from above of the slurry distributor similar with the slurry distributor of Figure 22.
Figure 73 is the top perspective view that computational fluid dynamics (CFD) model of the half portion of slurry distributor for Figure 72 exports.
Figure 74 is the view as Figure 74, shows the regional discussed in embodiment 4-6.
Figure 75 is the view of region A indicated in Figure 74.
Figure 76 is the plan view from above of the region A of the radial position illustrated for carrying out CFD analysis.
Figure 77 is the drawing of the data of Table IV from embodiment 4, shows the radial position at A place, region to the mobile zero dimension average speed by the region A of the half portion of the slurry distributor of Figure 73.
Figure 78 is the detailed view of the amplification from Figure 72 intercepting, shows the mobile region B by stream of slurry wherein with the slurry distributor of vortex movement.
Figure 79 is the drawing of the data of Table VI from embodiment 6, shows zero dimension distance apart from feeding entrance to the mobile non-dimensional velocity by the flowing of the shaping slurry of the half portion of the slurry distributor of Figure 73.
Figure 80 is the drawing of the data of Table VI from embodiment 6, shows zero dimension distance apart from feeding entrance to mobile by the zero dimension shear rate in the shaping slurry of the half portion of the slurry distributor of Figure 72.
Figure 81 is the drawing of the data of Table VI from embodiment 6, shows zero dimension distance apart from feeding entrance to the mobile zero dimension viscosity by the shaping slurry of the half portion of the slurry distributor of Figure 73.
Figure 82 is the drawing of the data of Table VI from embodiment 6, shows zero dimension distance apart from feeding entrance to the mobile zero dimension Reynolds number by the shaping slurry of the half portion of the slurry distributor of Figure 73.
Figure 83 is the drawing of the data of Table VII from embodiment 7, shows zero dimension distance apart from central cross mid point along the width of exit opening to the spread angle of the shaping slurry that the half portion of the slurry distributor from Figure 73 is discharged.
Detailed description of the invention
Present disclose provides each embodiment of the slurry compartment system of the product that can be used in manufacturing the cementitious product comprising such as such as plaster wall slab.Embodiment according to the slurry distributor of disclosure principles of construction can be used in manufacture process is such as common in the such as resistance aqueous foam gypsum slurry heterogeneous slurry such as comprising air and liquid phase effectively to distribute.
In continuous slab (such as, wallboard) manufacture process, the embodiment according to the compartment system of disclosure principles of construction can be used in slurry (such as, aqueous calcined gypsum slurry) to be distributed on the net (such as, paper or felt) of the advance of movement on a moving belt.In one aspect, slurry compartment system according to disclosure principles of construction can be used in the conventional dry wall manufacture process of gypsum, as the discharge conduit be attached with blender or as the part of discharging conduit, blender is suitable for stirring to form aqueous calcined gypsum slurry to bassanite and water.
Embodiment according to the slurry compartment system of disclosure principles of construction is intended to the wider distribution (along direction, cross machine direction) realizing even gypsum slurry.The embodiment of slurry compartment system of the present disclosure is suitable for using together with having the gypsum slurry of a series of WSR, and a series of WSR comprises routinely for the manufacture of the WSR of plaster wall slab and relatively low and have those WSR relatively full-bodied.In addition, gypsum slurry compartment system of the present disclosure can be used in helping the air-liquid controlled such as in resistance aqueous foam gypsum slurry (comprising the foamed gypsum slurry with high foam volume) to be separated.Path planning can be carried out with compartment system as described herein to slurry and distribute as shown in the figure controlling the online distribution of aqueous calcined gypsum slurry in advance by utilizing.
Cementitious slurry mixed distribution assembly according to disclosure principle can be used in the cementitious product forming any type, such as such as plate.In some embodiments, cementitious product can be formed, the dry wall of such as gypsum, Portland (Portland) cement plate or sound panel.
Cementitious slurry can be the cementitious slurry of any routine, and being such as generally used for producing plaster wall slab, comprising is such as the sound panel of the sound panel described in the U.S. Patent application of 2004/0231916 or any cementitious slurry of Portland cement plate at publication number.Therefore, cementitious slurry optionally can comprise any additive being generally used for production cementitious board products further.Such additive comprises structural additives and chemical addition agent, structural additives comprises mineral wool, continuous or cut off glass fibre (also referred to as fibrous glass), perlite, clay, vermiculite, calcium carbonate, polyester and paper-making fibre, chemical addition agent is such as blowing agent, filler, promoter, sugar, reinforcing agent (such as phosphate, phosphonate, borate etc.), retarding agent, adhesive (such as, starch and latex), colouring agent, bactericide, pesticide, water-repelling agent, such as silicone based material (such as, silane, siloxanes or silicone-resin matrix) etc.Such as, at United States Patent (USP) 6,342,284,6,632,550,6,800,131,5,643,510,5,714,001 and 6,774,146 and publication number be the embodiment of the use describing some additives in these and other additive in the U.S. Patent application of 2004/0231916,2002/0045074,2005/0019618,2006/0035112 and 2007/0022913.
The non-limiting embodiments of cementitious matter comprises the calcium sulfate hemihydrate, calcium sulfate dihydrate (" gypsum ", " gypsum solidified " or " moisture gypsum ") and composition thereof of Portland cement, sorrel cement, slag cements, fly ash cement, aluminous cement, water-soluble calcium sulfate anhydrite, calcium sulfate alpha-hemihydrate, calcium sulfate β-semihydrate, natural, synthesis or chemical modifying.In one aspect, cementitious matter desirably comprises bassanite, such as the form of calcium sulfate alpha-hemihydrate, calcium sulfate β-semihydrate and/or calcium sulfate anhydrite.In embodiments, bassanite can be cellulosic in some embodiments, and is non-fibrous in other embodiments.Bassanite can comprise the β-calcium sulfate hemihydrate of at least about 50%.In other embodiments, bassanite can comprise the β-calcium sulfate hemihydrate of at least about 86%.The weight ratio of water and bassanite can be any suitable ratio, but it will be appreciated by the skilled addressee that lower ratio can be more efficient, because must distillate less excessive water in the fabrication process, thus saves energy.In some embodiments, can by water and bassanite be prepared cementitious slurry to combine to the scope of about 1:1 weight ratio from about 1:6 weight ratio, depending on product, for sheet material manufacture, is such as about 2:3.
The embodiment preparing the method for the cementitious product of such as gypsum product according to disclosure principle can comprise: utilize the slurry distributor according to disclosure principles of construction that aqueous calcined gypsum slurry is distributed to the online of advance.Be described herein each embodiment of online method aqueous calcined gypsum slurry being distributed to movement.
Turn to accompanying drawing now, show the embodiment of the slurry distributor 120 according to disclosure principle in fig. 1-3, and in figures 4 and 5, show another embodiment of the slurry distributor 220 according to disclosure principle.Slurry distributor 120 shown in Fig. 1-3 is constructed by elastic flexible material and forms, and the slurry distributor 220 shown in Fig. 3 and Fig. 4 is made up of the material of relative stiffness.But the inside stream geometry of two the slurry distributors 120,220 in Fig. 1-5 is identical, and when considering the slurry distributor 120 of Fig. 1-3, also should with reference to Fig. 5.
With reference to Fig. 1, slurry distributor 120 comprises: feed conduit 122, and it has the first feeding entrance 124 and the second feeding entrance 125; And distribution conduit 128, it comprises distribution outlets 130 and is communicated with feed conduit 128 fluid.Formation system 132(can also be set see Fig. 3), it is suitable for the size of the distribution outlets 130 changing distribution conduit 128 partly.
With reference to Fig. 1, feed conduit 122 roughly extends along transversal line or cross machine direction 60, transversal line or cross machine direction 60 and longitudinal axis or machine direction 50 substantially vertical.First feeding entrance 124 and second is fed to entrance 125 positioned in spaced relation.First feeding entrance 124 and the second feeding entrance 125 define corresponding opening 134,135, and it has substantially identical area.Both illustrated openings 134,135 of the first feeding entrance 124 and the second feeding entrance 125 all have circular section shape, as illustrated in this embodiment.In other embodiments, the cross sectional shape of feeding entrance 124,125 can be other form, and this depends on expection application and current treatment conditions.
First feeding entrance 124 and the second feeding entrance 125 along 60 one-tenth, cross machine axis relation respect to one another, with make the first feeding entrance 124 and the second feeding entrance 125 be arranged to machine axis 50 substantially at an angle of 90.In other embodiments, the first feeding entrance 124 and the second feeding entrance 125 can with about the different mode orientations of machine direction.Such as, in some embodiments, the first feeding entrance 124 and the second feeding entrance 125 can about the angles between machine direction 50 one-tenth 0 ° and about 135 °.
Feed conduit 122 comprises the first approach section 136 and the second approach section 137, and is arranged in the bifurcation connector section 139 between the first approach section 136 and the second approach section 137.First approach section 136 and the second approach section 137 are roughly tubular and extend to make them substantially parallel with the plane 57 limited by longitudinal axis 50 and transversal line 60 along transversal line 60.First feeding entrance 124 and the second feeding entrance 125 are arranged in the far-end of the first approach section 136 and the second approach section 137, and are communicated with its fluid.
In other embodiments, the first feeding entrance 124 and the second feeding entrance 125 and the first approach section 136 and the second approach section 137 can in a different manner about transversal line 60, machine direction 50 and/or plane 57 orientations that limited by longitudinal axis 50 and transversal line 60.Such as, in some embodiments, first feeding entrance 124 and the second feeding entrance 125 and the first approach section 136 and the second approach section 137 can separately to be arranged in the plane 57 limited by longitudinal axis 50 and transversal line 60 about the feeding angle θ of longitudinal axis or machine direction 50 substantially, feeding angle is about the angle to about 135 ° in machine direction 50 scope, in other embodiments, from in the scope of about 30 ° to about 135 °, in further embodiment, from in the scope of about 45 ° to about 135 °, and in further embodiment, from in the scope of about 40 ° to about 110 °.
Bifurcation connector section 139 and first is fed to entrance 124 and second and is fed to entrance 125 and the first approach section 136 is communicated with the second approach section 137 fluid.Bifurcation connector section 139 comprises the first setting pipeline 141 and the second setting pipeline 143.First feeding entrance 124 of feed conduit 22 and the second feeding entrance 125 pipeline 141 and second pipeline 143 fluid that formalizes that formalizes with first is respectively communicated with.First setting pipeline 141 of connector section 139 and the second setting pipeline 143 are suitable for receiving the first feeding entrance 124 and the second feeding first aqueous calcined gypsum stream of slurry 190 along the first feed direction of entrance 125 and the second aqueous calcined gypsum stream of slurry 191 along the second flow direction respectively, and the first aqueous calcined gypsum stream of slurry 190 and the second aqueous calcined gypsum stream of slurry 191 are guided in distribution conduit 128.
As shown in Figure 5, the first setting pipeline 141 of connector section 139 and the second setting pipeline 143 define be fed to that entrance 124 and second is fed to that entrance 125 fluid is communicated with respectively with first first be fed to outlet 140 and second and be fed to outlet 145.Each feeding outlet 140,145 is all communicated with distribution conduit 128 fluid.Illustrated first is fed to each all restrictions opening 142 in outlet 140 and the second feeding outlet 145, and opening 142 has substantially rectangular inside 147 and almost circular sidepiece 149.Circular sidepiece 145 is arranged to and the sidewall 151 of distribution conduit 128,153 adjacent.
In embodiments, the openings 142 of the first and second feeding outlets 140,145 can have the sectional area larger than the sectional area of the respective opening 134,135 of the first feeding entrance 124 and the second feeding entrance 125.Such as, in some embodiments, first and second feeding outlets 140, the sectional area of the opening 142 of 145 can from the corresponding opening 134 being greater than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is to the corresponding opening 134 than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is similar to greatly in the scope of 300%, in other embodiments from the corresponding opening 134 being greater than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is to the corresponding opening 134 than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is similar to greatly in the scope of 200%, and in further embodiment from the corresponding opening 134 being greater than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is to the corresponding opening 134 than the first feeding entrance 124 and the second feeding entrance 125, the sectional area of 135 is similar to greatly in the scope of 150%.
In embodiments, the openings 142 of the first and second feeding outlets 140,145 can have the hydraulic diameter (4 × sectional area/girth) less than the hydraulic diameter of the corresponding opening 134,135 of the first feeding entrance 124 and the second feeding entrance 125.Such as, in some embodiments, the hydraulic diameter of the opening 142 of the first and second feeding outlets 140,145 can be about 80% or less of the hydraulic diameter of the corresponding opening 134,135 of the first feeding entrance 124 and the second feeding entrance 125, be about 70% or less in other embodiments, and be about 50% or less in further embodiment.
Referring back to Fig. 1, connector section 139 is substantially parallel with the plane 57 limited by longitudinal axis 50 and transversal line 60.In other embodiments, connector section 139 can about transversal line 60, machine direction 50 and/or plane 57 orientation in a different manner limited by longitudinal axis 50 and transversal line 60.
First feeding entrance 124, first approach section 136 and the first setting pipeline 141 are respectively the mirror image of the second feeding entrance 125, second approach section 137 and the second setting pipeline 143.Therefore, will be appreciated that equally in a corresponding way, the description of a feeding entrance can be applicable to another feeding entrance, the description of an approach section can be applicable to another approach section, and the description of a setting pipeline can be applicable to another setting pipeline.
First shaped pipe 141 and first is fed to entrance 124 and the first approach section 136 fluid is connected.First setting pipeline 141 is also connected with distribution conduit 128 fluid to help thus to be fed to entrance 124 by first and distribution outlets 130 fluid connects to make the first stream of slurry 190 can enter the first feeding entrance 124, travel through the first approach section 136, first setting pipeline 141 and distribution conduit 128, and discharged from slurry distributor 120 by distribution outlets 130.
First setting pipeline 141 has front excurvation curved wall 157 and relative rear inner curved wall 158, which defines bending guiding surface 165, guiding surface 165 is suitable for the first stream of slurry to change direction to outlet flow direction 192 from the first feed stream direction 190, first feed stream direction 190 is substantially parallel with transverse direction or cross machine direction 60, and outlet flow direction 192 is substantially parallel with longitudinal axis or machine direction 50 and substantially vertical with the first feed stream direction 190.First setting pipeline 141 be suitable for receive along the first feed stream direction 190 movement the first stream of slurry and change stream of slurry direction by the change of direction angle alpha as shown in Figure 9, be sent to substantially along in the distribution conduit 128 of outlet flow direction 192 movement to make the first stream of slurry.
In use, the first aqueous calcined gypsum stream of slurry is fed to entrance 124 along the first feed direction 190 through first, and the second aqueous calcined gypsum stream of slurry is fed to entrance 125 along the second feed direction 191 through second.In some embodiments, the first and second feed direction 190,191 can longitudinally 50 about being mutually symmetrical.The first stream of slurry along the first feed stream direction 190 movement is passed through in the upper change to the direction angle alpha in the scope of about 135 ° and in slurry distributor 120, is modified direction to outlet flow direction 192.The second stream of slurry along the second feed stream direction 191 movement is passed through in the upper change to the direction angle alpha in the scope of about 135 ° and in slurry distributor 120, is modified direction to outlet flow direction 192.First aqueous calcined gypsum stream of slurry 190 of combination and the second aqueous calcined gypsum stream of slurry 191 are from roughly discharging along the slurry distributor 120 of outlet flow direction 192 movement.Outlet flow direction 192 can be substantially parallel with longitudinal axis or machine direction 50.
Such as, in the embodiment shown in the drawing, by the change of the direction angle alpha about vertical axis 55 one-tenth approximately ninety degrees, the first stream of slurry is modified direction to the outlet flow direction 192 along machine direction 50 from the first feed stream direction 190 along cross machine direction 60.In some embodiments, by the change of the direction angle alpha about vertical axis 55 in the upper scope to about 135 °, stream of slurry can be modified direction to outlet flow direction 192 from the first feed stream direction 190, and in other embodiments, direction angle alpha is from the scope of about 30 ° to about 135 °, and in further embodiment, direction angle alpha is from the scope of about 45 ° to about 135 °, in other embodiments, direction angle alpha is from the scope of about 40 ° to about 110 °.
In some embodiments, the shape of rear curved guide surface 165 can be roughly parabolical, and in the embodiment shown in the drawing, roughly parabolical can by Ax for this 2the parabola of+B form limits.In alternative embodiment, more the curve of high-order may be used for limiting rear curved guide surface 165, or alternatively, rear inwall 158 can have the general bent shaped be made up of straight or linearity range, straight or linearity range in its end place orientation to limit the wall of general curved uniformly.And the parameter for limiting the particular form factor of outer wall can depend on the concrete operations parameter of the process by using slurry distributor.
At least one in feed conduit 122 and distribution conduit 128 can comprise extended area, described extended area have than from feed conduit 122 towards the direction of distribution conduit 128 at the cross-sectional flow area that the cross-sectional flow area of the adjacent area of extended area upstream is large.First approach section 136 and/or the first setting pipeline 141 can have the cross section of streamwise change, to help distribution mobile by the first stream of slurry wherein.Setting pipeline 141 can have the cross-sectional flow area increased towards distribution conduit 128 along the first flow direction 195 from the first feeding entrance 124, to make along with the first stream of slurry is slowed down by the first setting pipeline 141.In some embodiments, the first setting pipeline 141 can have maximum cross-section flow area along the predetermined point place of the first flow direction 195, and reduces along the some place of the first flow direction 195 from maximum cross-section flow area further.
In some embodiments, the maximum cross-section flow area of the first setting pipeline 141 is about 200% or less of the sectional area of the opening 134 of the first feeding entrance 124.In other embodiments, the maximum cross-section flow area of the first setting pipeline 141 is about 150% or less of the sectional area of the opening 134 of the first feeding entrance 124.In other embodiment, the maximum cross-section flow area of the first setting pipeline 141 is about 125% or less of the sectional area of the opening 134 of the first feeding entrance 124.In other embodiment, the maximum cross-section flow area of the first setting pipeline 141 is about 110% or less of the sectional area of the opening 134 of the first feeding entrance 124.In some embodiments, controlling sections flow area is greater than scheduled volume to help prevent the significantly change of fluidised form to make can not change in certain length upper reaches bulk area.
In some embodiments, first approach section 136 and/or the first setting pipeline 141 can comprise one or more guiding channel 167,168, and guiding channel 167,168 is suitable for helping the first stream of slurry being distributed towards the outer wall 157 of feed conduit 122 and/or inwall 158.Guiding channel 167,168 is suitable for increasing the stream of slurry around the border parietal layer of slurry distributor 120.
With reference to Fig. 1 and Fig. 5, guiding channel 167,168 can be constructed to have the sectional area larger than the adjacent part 171 of feed conduit 122, this defines the restriction of the flowing of the adjacent guiding channel 167,168 promoted to the wall region place being arranged in slurry distributor 120.In the embodiment shown in the drawing, feed conduit 122 comprise the outer guiding channel 167 adjacent with sidewall 151 with the outer wall 157 of distribution conduit 128 and with first formalize the inwall 158 of pipeline 141 adjacent in guiding channel 168.The sectional area of outer guiding channel 167 and interior guiding channel 168 can become and moves along the first flow direction 195 and diminish gradually.Outer guiding channel 167 can extend to distribution outlets 130 along the sidewall 151 of distribution conduit 128 substantially.On edge perpendicular to the set sectional position place of pipeline 141 that the direction of the first flow direction 195 formalizes by first, outer guiding channel 167 has the sectional area larger than interior guiding channel 168 to help the first stream of slurry to turn to from its initial movable circuit along the first feed direction 190 towards outer wall 157.
There is provided guiding channel adjacent wall region can help stream of slurry admittance or guide to those regions, these regions can be the region in the conventional system at " dead point " that find low stream of slurry.By arranging guiding channel to promote the stream of slurry at the wall region place at slurry distributor 120, gather suppressed at the slurry of slurry distributor inside, and the clean of slurry distributor 120 inside can be strengthened.Slurry can also be reduced and gather the frequency being broken into block (this can tear the cover net sheet material of movement).
In other embodiments, the relative size that can change outer guiding channel 167 and interior guiding channel 168 to help to regulate stream of slurry, thus improves stream stability and reduces the generation that air-liquid slurry is separated.Such as, in the application using relatively more tacky slurry, at the set sectional position place of the pipeline 141 that formalizes by first along the direction perpendicular to the first flow direction 195, outer guiding channel 167 can have the sectional area less than interior guiding channel 168, to help to extrude the first stream of slurry towards inwall 158.
First and second setting pipelines 141,142 inner curved wall 158 meeting and with the inlet portion 152 being limited to distribution conduit 128 spike portion 175 nearby.Spike portion 175 makes connector section 139 bifurcated effectively.Each feeding outlet 140,145 is communicated with inlet portion 152 fluid of distribution conduit 128.
In other embodiments, spike portion 175 longitudinally 50 position can change.Such as, in other embodiments, the inner curved wall 158 of the first and second setting pipelines 141,142 can not too bend with make spike portion 175 compare as shown in the figure in illustrated slurry distributor 120 longitudinally 50 further from distribution outlets 130.In other embodiments, spike portion 175 can than as shown in the figure in illustrated slurry distributor 120 longitudinally 50 closer to distribution outlets 130.
Distribution conduit 128 is substantially parallel and be suitable for the first and second aqueous calcined gypsum stream of slurry combined to be pushed through the flow pattern of roughly bidimensional, for strengthening stability and the uniformity from first and second pipelines 141,142 that formalize with the plane 57 limited by longitudinal axis 50 and transversal line 60.Distribution outlets 130 has the width extending preset distance along transversal line 60 and the height, vertical axis 55 and longitudinal axis 50 and transversal line 60 Relative vertical that extend along vertical axis 55.The height of distribution outlets 130 is less relative to its width.Distribution conduit 128 can relative to the cover net sheet orientation of the movement on workbench to make distribution conduit 128 substantially parallel with the net of movement.
Distribution conduit 128 roughly longitudinally 50 extend and comprise inlet portion 152 and distribution outlets 130.Inlet portion 152 and first and second of feed conduit 122 are fed to entrance 124,125 fluid and are communicated with.With reference to Fig. 5, inlet portion 152 is suitable for both first and second aqueous calcined gypsum stream of slurry of the first and second feeding entrances 124,125 received from feed conduit 122.The inlet portion 152 of distribution conduit 128 comprises distribution entry 154, and distribution entry 154 and first and second of feed conduit 122 are fed to outlet 140,145 fluid and are communicated with.Illustrated distribution entry 154 defines the basic corresponding opening 156 of the opening 142 being fed to outlet 140,145 with first and second.First and second aqueous calcined gypsum stream of slurry combine in distribution conduit 128, roughly move along output flow direction 192 to make mix flow, manufacture in circuit at wallboard, output flow direction 192 can be aimed at substantially with the shiftable haulage line of the cover net sheet material of movement on workbench.
Distribution outlets 130 is communicated with inlet portion 152 fluid, and is therefore fed to entrance 124,125 and first and second with first and second of feed conduit 122 and is fed to outlet 140,145 fluid and is communicated with.Distribution outlets 130 and first and second pipeline 141,143 fluid that formalizes is communicated with and is suitable for the first and second stream of slurry of combining when cover net sheet material advances along machine direction 50 along output flow direction 192 from wherein discharging.
With reference to Fig. 1, illustrated distribution outlets 130 defines the substantially rectangular opening 181 with semicircle narrow end 183,185.The semicircle end 183,185 of the opening 181 of distribution outlets 130 can be the clearing end with the outer guiding channel 167 of the adjacent layout of sidewall 151,153 of distribution conduit 128.
The opening 181 of distribution outlets 130 have larger than the area sum of the opening 134,135 of the first and second feeding entrances 124,125 and than the first and second feeding outlets 140,145 opening 142(namely, the opening 156 of distribution entry 154) the little area of area sum.Therefore, the sectional area of the opening 181 of the sectional area ratio distribution outlets 130 of the opening 156 of the inlet portion 152 of distribution conduit 128 is large.
Such as, in some embodiments, the sectional area of the opening 181 of distribution outlets 130 can from being greater than the first and second feeding entrances 124, the opening 134 of 125, the sectional area sum of 135 is fed to entrances 124 to than first and second, the opening 134 of 125, the sectional area sum of 135 is similar to greatly in the scope of 400%, in other embodiments, from being greater than the first and second feeding entrances 124, the opening 134 of 125, the sectional area sum of 135 is fed to entrances 124 to than first and second, the opening 134 of 125, the sectional area sum of 135 is similar to greatly in the scope of 200%, and in further embodiment, from being greater than the first and second feeding entrances 124, the opening 134 of 125, the sectional area sum of 135 is fed to entrances 124 to than first and second, the opening 134 of 125, the sectional area sum of 135 is similar to greatly in the scope of 150%.In other embodiments, the ratios of the first and second feeding the sectional area sums of opening 134,135 of entrance 124,125 and sectional areas of the opening 181 of distribution outlets 130 can change based on one or more factors, the viscosity, the width of panel products made by distributor 120 etc. of slurry that factor comprises manufacture line speed, distributed by distributor 120.In some embodiments, the sectional area of the opening 156 of the inlet portion 152 of distribution conduit 128 can from be greater than distribution outlets 130 opening 181 sectional area to the opening 181 than distribution outlets 130 sectional area greatly approximate 200% scope in, in other embodiments, from being greater than the sectional area of opening 181 of distribution outlets 130 in the scope of the sectional area approximate greatly 150% of the opening 181 than distribution outlets 130, and in further embodiment, from being greater than the sectional area of opening 181 of distribution outlets 130 in the scope of the sectional area approximate greatly 125% of the opening 181 than distribution outlets 130.
Distribution outlets 130 roughly extends along transversal line 60.The opening 181 of distribution outlets 130 has the width W of about 24 inches along transversal line 60 1and the height H of about an inch along vertical axis 55 1(or see Fig. 3).In other embodiments, the size and dimension of the opening 181 of distribution outlets 130 can be changed.
Distribution outlets 130 is arranged in along on the centre position of transversal line 60 between the first feeding entrance 124 and the second feeding entrance 125, is arranged to the substantially identical distance D of lateral center mid point 187 apart from distribution outlets 130 to make the first feeding entrance 124 and the second feeding entrance 125 1, D 2(or see Fig. 3).Distribution outlets 130 can be made up to make its shape be suitable for along transversal line 60 to be variable of elastic flexible material, such as such as by formation system 32.
Can conceive, in other embodiments, the width W of the opening 181 of distribution outlets 130 1and/or height H 1can change for different operating conditions.Normally, overall dimensions for each embodiment of slurry distributor as disclosed herein can zoom in or out, this depends on the type of product to be manufactured (such as, the thickness manufactured a product and/or width), the speed of the manufacture circuit that uses, by the speed of distributor deposited furnish, the viscosity of slurry, etc.Such as, the width W by transversal line 60 of the distribution outlets 130 used in wallboard manufacturing process 1usually the nominal width being not more than 54 inches is set to, in some embodiments, this width can from the scope of about eight inches to about 54 inches, and in other embodiments, from the scope of about 18 inches to about 30 inches.In other embodiments, the width W along transversal line 60 of distribution outlets 130 1with can in the scope from about 1/7 to about 1 at the ratio of the maximum nominal width utilizing the plate that the manufacturing system according to the slurry distributor of disclosure principles of construction is produced, in other embodiments in the scope from about 1/3 to about 1, in further embodiment in the scope from about 1/3 to about 2/3, and in other embodiments in the scope from about 1/2 to about 1.
In some embodiments, the height of distribution outlets can from the scope of about 3/16 inch to about two inches, in other embodiments between about 3/16 inch and about one inch.In some embodiments comprising distributed rectangular outlet, the rectangle width of exit opening and rectangular elevation support arm can be about 4 or larger, be about 8 or larger in other embodiments, in some embodiments from about 4 to about 288, in other embodiments from about 9 to about 288, in other embodiments from about 18 to about 288, and in other embodiments from about 18 to about 160.
Distribution conduit 128 comprises the converging portion 182 be communicated with inlet portion 152 fluid.The height of converging portion 182 is less than the height at the flow area place, maximum cross-section of the first and second setting pipelines 141,143 and is less than the height of the opening 181 of distribution outlets 130.In some embodiments, the height of converging portion 182 can be approximately the half of the height of the opening 181 of distribution outlets 130.
The height of converging portion 182 and distribution outlets 130 can together with coordinate to help the first and second aqueous calcined gypsum streams of control combination to distribute from distribution conduit 128 average speed.The height/of distribution outlets 130 or width can change the average speed regulating the first and second stream of slurry of combination to discharge from slurry distributor 120.
In some embodiments, output flow direction 192 is substantially parallel with the plane 57 limited by machine direction 50 and the lateral cross machine direction 60 of the system of transporting the cover net sheet material advanced.In other embodiments, the first and second feed direction 190,191 and output flow direction 192 are all substantially parallel with the plane 57 limited by machine direction 50 and the lateral cross machine direction 60 of system of transporting the cover net sheet material advanced.In some embodiments, slurry distributor can be suitable for and arrange to make stream of slurry change direction to output flow direction 192 from the first and second feed direction 190,191 in slurry distributor 120 relative to workbench, and without the significantly flow direction change by rotating realization around cross machine direction 60.
In some embodiments, can be suitable for and arrange to make by transferring, to the first and second stream of slurry change directions, the first and second stream of slurry are changed directions to output flow direction 192 from the first and second feed direction 190,191 in slurry distributor the angle inward turning of about 45 degree or less around cross machine direction 60 relative to workbench.In some embodiments, this rotation can be arranged to about vertical axis 55 and 57 one-tenth, the plane vertical off setting angle ω that formed by machine axis 50 and cross machine axis 60 to make the first and second feed direction 190,191 of the first and second feeding entrance 124,125 and first and second stream of slurry by transformation slurry distributor.In embodiments, first and second feed direction 190,191 of the first and second feeding entrance 124,125 and first and second stream of slurry can be arranged with the vertical off setting angle ω in the scope from zero to about 60 degree, change direction and move along vertical axis 55 from the first and second feed direction 190,191 in slurry distributor 120 move towards output flow direction 192 to make stream of slurry about machine axis 50.In embodiments, at least one in corresponding approach section 136,137 and setting pipeline 141,143 can be suitable for being conducive to slurry and change direction about machine axis 50 and along vertical axis 55.In embodiments, by about the change of direction angle alpha being basically perpendicular to the axis of vertical off setting angle ω and/or other rotations one or more in the scope of about 45 degree to about 150 degree, the first and second stream of slurry can be changed direction to outlet flow directions 192 from the first and second feed direction 190,191 and roughly align with machine direction 50 to make outlet flow path direction 192.
In use, the first and second aqueous calcined gypsum stream of slurry are fed to entrances 124,125 along the first and second feed direction 190,191 of polymerization through first and second.First and second setting pipelines 141,143 first and second stream of slurry are changed direction from the first feed direction 190 and the second feed direction 191, with make the first and second stream of slurry from be all basically parallel to transversal line 60 to be all basically parallel to machine direction 50 direction angle alpha change in move.Distribution conduit 128 can be positioned such that its longitudinally 50 extensions, and longitudinal axis 50 overlaps substantially with machine direction 50, and in the method making plasterboard, cover net sheet material moves along machine direction 50.First and second aqueous calcined gypsum stream of slurry combine in slurry distributor 120, with the first and second aqueous calcined gypsum stream of slurry making combination roughly along longitudinal axis 50 and along the direction of machine direction on output flow direction 192 by distribution outlets 130.
With reference to Fig. 2, slurry distributor support member 100 can be configured to help to support slurry distributor 120, and in the embodiment shown in the drawing, it is made up of flexible material, such as such as PVC or urethanes.Slurry distributor support member 100 can be made up the slurry distributor 120 helping supporting flexible of suitable rigid material.Slurry distributor support member 100 can comprise two-piece construction.Two parts 101,103 relative to each other can move pivotly around the hinge 105 at its rear end place, to allow to be easy to the inside 107 close to support member 100.The inside 107 of support member 100 can be constructed to make inner 107 substantially to conform to the outside of slurry distributor 120, can relative to the amount of movement of support member 100 processes and/or the interior geometry of slurry distributor 120 helping restriction slurry to flow through to help to limit slurry distributor 120.
With reference to Fig. 3, in some embodiments, slurry distributor support member 100 can by provide support and the applicable elastic flexible material that can be out of shape in response to the formation system 132 be installed on support member 100 is made.Formation system 132 can be installed on support member 100 in distribution outlets 130 adjacent place of slurry distributor 120.Same size and/or the shape passing through the support member 100 that change closely conforms to, this affects size and/or the shape of distribution outlets 130 successively, and the formation system 132 so installed can work size and/or the shape of the distribution outlets 130 changing distribution conduit 128.
With reference to Fig. 3, formation system 132 can be suitable for size and/or the shape of the opening 181 optionally changing distribution outlets 130.In some embodiments, formation system can be used in the height H of the opening 181 optionally regulating distribution outlets 130 1.
Illustrated formation system 132 comprising plate 90, plate being fixed to multiple construction bolts 92 of distribution outlets 128 and a series of adjusting bolts 94,95 by being threadably fastened to its four lines.Plate 90 is fixed to support member 100 for the adjacent place of the distribution outlets 130 at slurry distributor 120 by construction bolt 92.Plate 90 extends along transversal line 60 substantially.In the embodiment shown in the drawing, the form of the angle steel of plate 90 in certain length.In other embodiments, plate 90 can have different shapes and can comprise different materials.In other embodiment, formation system can comprise the size of the opening 181 being suitable for optionally changing distribution outlets 130 and/or other parts of shape.
Illustrated formation system 132 is suitable for size and/or the shape of the opening 181 changing distribution outlets 130 along transversal line 60 partly.Adjusting bolt 94,95 above distribution outlets 130 along transversal line 60 one-tenth each other rule, spaced relationship.Adjusting bolt 94,95 is size and/or the shape to change distribution outlets 130 partly of Independent adjustable joint.
Formation system 132 can be used in changing distribution outlets 130 partly, thus the flow pattern that the first and second aqueous calcined gypsum stream of slurry changing combination distribute from slurry distributor 120.Such as, center line adjusting bolt 95 can be fastened with the lateral center mid point 187 limiting distribution outlets 130, to increase the edge flowing angle away from longitudinal axis 50, thus be conducive to scattering on cross machine direction 60 and improving the stream of slurry uniformity on cross machine direction 60.
Formation system 132 can be used in change distribution outlets 130 along transversal line 60 size and distribution outlets 130 is remained new shape.Plate 90 can be made up of the material suitably strengthening, and can to bear when distribution outlets 130 being squeezed into new shape in response to the adjustment undertaken by adjusting bolt 94,95 by the relative to force that adjusting bolt 94,95 applies to make plate 90.Formation system 132 can be used in the change (such as, due to different slurry density and/or different feeding entrance velocities) helping balanced stream of slurry of discharging from distribution outlets 130 to distribute, more even with the pattern making slurry leave from distribution conduit 129.
In other embodiments, the quantity of adjusting bolt can change the spacing between adjacent adjusting bolt is changed.In other embodiments, such as in the width W of distribution outlets 130 1when different, also can change the quantity of adjusting bolt to realize the adjacent bolt spacing expected.In other embodiment, the spacing between adjacent bolt can change along transversal line 60, such as, provides larger local to change control at lateral edges 183,185 place of distribution outlets 130.
Slurry distributor according to disclosure principles of construction can comprise any suitable material.In some embodiments, slurry distributor can comprise any suitable substantially rigid material, and it can comprise and can allow to utilize such as formation system to adjust the suitable material of the size and dimension of outlet.Such as, suitable rigid plastics or the metal of such as super high molecular weight (UHMW) plastics can be used.In other embodiments, the slurry distributor according to disclosure principles of construction can be made up of flexible material, such as suitable flexible plastic material, comprises such as polyvinyl chloride (PVC) or urethanes.In some embodiments, the slurry distributor according to disclosure principles of construction can comprise single feeding entrance, approach section and setting pipeline, and described setting pipeline is communicated with distribution conduit fluid.
Gypsum slurry distributor according to disclosure principles of construction can be used in the wide cross machine distribution helping to provide aqueous calcined gypsum slurry, to be conducive to the distribution on the cover net sheet material of high viscosity/lower WSR gypsum slurry movement on workbench.And gypsum slurry compartment system can be used in helping to control air-slurry and is separated.
According to another program of the present disclosure, gypsum slurry mixed distribution assembly can comprise the slurry distributor according to disclosure principles of construction.This slurry distributor can be placed as and be communicated with gypsum slurry blender fluid, and described gypsum slurry blender is suitable for stirring to form aqueous calcined gypsum slurry to water and bassanite.In one embodiment, slurry distributor is suitable for receiving from the first aqueous calcined gypsum stream of slurry of gypsum slurry blender and the second aqueous calcined gypsum stream of slurry and the first aqueous calcined gypsum stream of slurry and the second aqueous calcined gypsum stream of slurry is distributed to the online of advance.
Slurry distributor can comprise the part of the discharge conduit of gypsum slurry blender (such as, pin blender) conventional as known in the art or serve as discharge conduit.Slurry distributor can use together with the parts of the discharge conduit of routine.Such as, parts that slurry distributor can be arranged with gate-tank-feed hopper as known in the art or at United States Patent (USP) 6,494,609,6,874,930,7,007,914 and 7,296, the parts that the discharge conduit described in 919 is arranged use together.
Slurry distributor according to disclosure principles of construction can be configured to the remodeling part in existing wallboard manufacturing system valuably.Preferably, slurry distributor can be used in single branch or the multiple-limb feed hopper of replacing the routine used in the discharge conduit of routine.This gypsum slurry distributor can be retrofitted into existing slurry and discharge conduit layout, such as at such as United States Patent (USP) 6,874,930 or 7,007, shown by 914, the substitute of provide and deliver as distally chute or feed hopper.But in some embodiments, slurry distributor selectively can be attached to the outlet of one or more feed hopper.
With reference to Fig. 4 and Fig. 5, slurry distributor 220 is similar with the slurry distributor 120 of Fig. 1-3, except it is by except substantially rigid material structure.The interior geometry 207 of the slurry distributor 220 of Fig. 4 with Fig. 5 is similar to the interior geometry of the slurry distributor 120 of Fig. 1-3, and similar Reference numeral is for representing similar structure.The interior geometry 207 of slurry distributor 207 is suitable for limiting and makes gypsum slurry travel through flow path wherein, gypsum slurry is the mode of streamline flow, through weakening or essentially no air-liquid slurry to be separated and substantially without eddy current path.
In some embodiments, slurry distributor 220 can comprise any suitable substantially rigid material, and it can comprise and can allow to utilize such as formation system to adjust the suitable material of the size and dimension of outlet 130.Such as, plastics or the metal of the suitable rigidity of such as UHMW plastics can be used.
With reference to Fig. 4, slurry distributor 220 has two-piece construction.The top part 221 of slurry distributor 220 comprises the recess 227 being suitable for being received in by formation system 132 wherein.Two parts 221,223 relative to each other can move pivotly around the hinge 205 being positioned at its rear end place, to allow to be easy to the inside 207 close to slurry distributor 220.Installing hole 229 is configured to the connection of the below part 223 being convenient to top part 221 and coupling thereof.
With reference to Fig. 6-8, show another embodiment of the slurry distributor 320 according to disclosure principles of construction, it is made up of rigid material.The slurry distributor 320 of Fig. 6-8 is similar with the slurry distributor 220 of Fig. 4 and Fig. 5, and slurry distributor 320 first and second feeding entrance 324,325 and first and second approach section 336,337 except Fig. 6-8 is arranged to feeding angle θ (see Fig. 7) about longitudinal axis or about 60 degree of machine direction 50 one-tenth.
Slurry distributor 320 has two-piece construction, the below part 323 comprising top part 321 and mate with it.Two parts 321,323 of slurry distributor 320 can utilize any suitable technology to tighten together, such as by using securing member through the installing hole 329 of the respective numbers such as arranged in each part 321,323.The top part 321 of slurry distributor 320 comprises the recess 327 being suitable for being received in by formation system 132 wherein.The slurry distributor 320 of Fig. 6-8 is similar at the slurry distributor 220 of other side and Fig. 4 and Fig. 5.
With reference to Fig. 9 and Figure 10, show the below part 323 of the slurry distributor 320 of Fig. 6.Below part 323 defines the Part I 331 of the interior geometry 307 of the slurry distributor 320 of Fig. 6.Top part 323 defines the Part II of the symmetry of interior geometry 307, to make when top part 321 and below part 323 are combined together, as shown in Figure 6, which defines the complete interior geometry 307 of the slurry distributor 320 of Fig. 6.
With reference to Fig. 9, first and second setting pipelines 341,343 be suitable for receive along the first and second feed stream direction 390,391 movements the first and second stream of slurry and change pulp flow direction by the change of direction angle alpha, to make the first and second stream of slurry be sent to substantially along in the distribution conduit 328 of output flow direction 392 movement, align with machine direction or longitudinal axis 50 in output flow direction 392.
Figure 11 with Figure 12 depicts another embodiment of the slurry distributor support member 300 used together with the slurry distributor 320 of Fig. 6.Slurry distributor support member 300 can comprise the upper and lower support plate 301,302 by the suitable constructed of rigid materials of such as such as metal.Gripper shoe 301,302 can be fixed on distributor by any suitable mode.In use, gripper shoe 301,302 can help slurry distributor 320 to be supported on to comprise and to support and on appropriate location above the machine line transmitting the conveyer assembly of the cover plate material of movement.Gripper shoe 301,302 can be installed to be placed in conveyer assembly either side on suitable vertical rod on.
Figure 13 with Figure 14 depicts the another embodiment of the slurry distributor support member 310 used together with the slurry distributor 320 of Fig. 6, and it also comprises upper and lower support plate 311,312.Can to make support member 310 than the situation without such cut portion lighter and provide the close of the part to slurry distributor 320 (such as holding those parts of such as mounting fastener) for cut portion 313,314,318 in upper backup pad 311.The slurry distributor support member 310 of Figure 13 with Figure 14 can be similar to the slurry distributor support member 300 of Figure 11 with Figure 12 in other side.
Figure 15-19 shows another embodiment of slurry distributor 420, and it is similar to the slurry distributor 320 of Fig. 6-8, except it is constructed formed by basic flexible material.The slurry distributor 420 of Figure 15-19 also comprises the first and second feeding entrance 324,325 and first and second approach sections 336,337, and it is arranged to feeding angle θ (see Fig. 7) about longitudinal axis or about 60 ° of machine direction 50 one-tenth.The interior geometry 307 of the slurry distributor 420 of Figure 15-19 is similar to the slurry distributor 320 of Fig. 6-8, and similar Reference numeral is for representing similar structure.
Figure 17-19 depicts the second approach section 337 of the slurry distributor 420 of Figure 15 and Figure 16 and the interior geometry of the second setting pipeline 343 progressively.The sectional area 411,412,413,414 of outer guiding channel 367 and interior guiding channel 368 can move towards distribution outlets 330 along the second flow direction 397 and little by little diminish.Outer guiding channel 367 can substantially along the second setting outer wall 357 of the pipeline 343 and sidewall 353 along distribution conduit 328 extends to distribution outlets 330.The formalize inwall 358 of pipeline 343 of interior guiding channel 368 and second is adjacent and end at the place of spike portion 375 of the connector section 339 of division.The slurry distributor 420 of Figure 15-19 is similar to the slurry distributor 120 of Fig. 1 and the slurry distributor 320 of Fig. 6 in other side.
With reference to Figure 20 and Figure 21, the illustrated embodiment of slurry distributor 420 is made up of the flexible material of such as such as PVC or urethanes.Slurry distributor support member 400 can be configured to help to support slurry distributor 420.Slurry distributor support member 400 can comprise support component, and in the embodiment shown in the drawing, support component is the form of the bottom support pallet 401 being filled with the suitable Supporting Media 402 limiting stayed surface 404.Stayed surface 404 be constructed to the outside of at least one in feed conduit 322 and distribution conduit 328 substantially conform at least partially help to limit the rate of travel between slurry distributor 420 and support tray 401.In some embodiments, stayed surface 404 can also help the interior geometry of slurry distributor 420 that keeps slurry to flow through wherein.
Slurry distributor support member 400 can also comprise moveable support assembly 405, and it is arranged to and bottom support pallet 401 positioned in spaced relation.Moveable support assembly 405 can be positioned at the top of slurry distributor 420 and be suitable for being placed as and expect to construct to help the interior geometry 307 of slurry distributor to remain with slurry distributor 420 one-tenth supporting relations.
Multiple supporting sections 415,416,417,418,419 that moveable support assembly 405 can comprise support frame 407 and be supported movably by support frame 407.Support frame 407 can be installed at least one in bottom support pallet 401 or suitable one or more vertical rods of arranging, to keep the fixed relationship of support frame 407 and bottom support pallet 401.
In embodiments, at least one supporting section 415,416,417,418,419 can move independently relative to another supporting section 415,416,417,418,419.In the embodiment shown in the drawing, each supporting section 415,416,417,418,419 can move in predetermined stroke independently relative to support frame 407.In embodiments, each supporting section 415,416,417,418,419 can move to make each supporting section on a series of position in stroke, on described a series of position, the cumulative compressive engagement of the part of at least one in corresponding supporting section 415,416,417,418,419 and feed conduit 322 and distribution conduit 328.
The position of each supporting section 415,416,417,418,419 can be conditioned the compressive engagement at least partially making supporting section 415,416,417,418,419 and slurry distributor 420.Each supporting section 415,416,417,418,419 can be independently adjusted to be placed in by each supporting section 415,416,417,418,419 or with the further compressive engagement thus compress the inside of slurry distributor 420 partly at least partially of slurry distributor 420, or with slurry distributor 420 subtract compressive engagement at least partially, thus allow the inside of slurry distributor 420 to expand outwardly, such as in response to the aqueous gypsum slurry flowed through wherein.
In the embodiment shown in the drawing, each in supporting section 415,416,417 can move in stroke along vertical axis 55.In other embodiments, at least one supporting section can move along different action line.
Moveable support assembly 405 comprises the clamp system 408 be associated with each supporting section 415,416,417,418,419.Each clamp system 408 can be suitable for the supporting section 415,416,417,418,419 be associated optionally to be fixed on the select location relative to support frame 407.
In the embodiment shown in the drawing, bar 409 to be installed on each supporting section 415,416,417,418,419 and the corresponding opening extended upward through in support frame 407.Each clamp system 408 to be installed on support frame 407 and to be associated in the bar 409 stretched out from corresponding supporting section 415,416,417,418,419.Each clamp system 408 can be suitable for the fixed relationship of the bar 409 and support frame 407 optionally keeping being associated.Illustrated clamp system 408 is the fixture of conventional lever, and it is around corresponding bar 409 and allow the infinite variable between clamp system 408 and the bar 409 be associated to regulate.
It will be understood by those skilled in the art that and can use any suitable clamp system 408 in other embodiments.In some embodiments, each bar 409 be associated can be mobile via suitable actuator (such as or for fluid power or electronic), controls actuator via controller.By being remained on by the supporting section be associated 415,416,417,418,419 on the position fixing relative to support frame 407, actuator can be used as clamp system.
With reference to Figure 21, supporting section 415,416,417,418,419 can comprise contact surface 501,502,503,504,505 separately, and contact surface is constructed to substantially conform to the surface portion of the form desired geometries of at least one in distribution conduit 328 with the feed conduit 322 of slurry distributor 420.In the embodiment shown in the drawing, arrange distributor ducts supporting section 415, it comprises contact surface 501, and contact surface 501 conforms to interior shape with the outside being furnished with the part of distributor ducts supporting section 415 of distributor ducts 328.A pair setting pipeline supporting section 416,417 is set, it comprises contact surface 502,503 respectively, and formalize with the first and second respectively outside being furnished with the part of the pipeline supporting section 416,417 that formalizes of pipeline 341,343 of contact surface 502,503 conforms to interior shape.Arrange and enter supporting section 418,419 for a pair, it comprises contact surface 504,505 respectively, and contact surface 504,505 conforms to interior shape with the outside being furnished with the part of the pipeline supporting section 418,419 that formalizes of the first and second approach sections 336,337 respectively.Contact surface 501,502,503,504,505 is suitable for being placed as and is divided into contact relation to help the contact portion of slurry distributor 420 to remain on appropriate location with the selection section of slurry distributor 420, thus helps the interior geometry 307 limiting slurry distributor 420.
In use, moveable support assembly 405 can be operated with the relation being arranged to independently expect with slurry distributor 420 one-tenth by each supporting section 415,416,417,418,419.Supporting section 415,416,417,418,419 can help to keep the interior geometry 307 of slurry distributor 420 to promote slurry to flow through wherein and to assist in ensuring that the volume limited by interior geometry 307 during use fills up slurry substantially.The position of the specific contact surface of set supporting section 415,416,417,418,419 can be conditioned the interior geometry adjusting slurry distributor 420 partly.Such as, distributor ducts supporting section 415 can move height to reduce distribution conduit 328 in the region being furnished with distributor ducts supporting section 415 along vertical axis 55 near bottom support pallet 401.
In other embodiments, the quantity of supporting section can be changed.In other embodiment, size and/or the shape of set supporting section can be changed.
Figure 22-27 shows another embodiment of the slurry distributor 1420 according to disclosure principles of construction.Slurry distributor 1420 is made up of the basic flexible material of such as such as PVC or urethanes.The slurry distributor 1420 of Figure 22-27 also comprises the first and second feeding entrance 1424,1425 and first and second approach sections 1436,1437, and it arranges (see Figure 24) with the feeding angle θ being basically parallel to longitudinal axis or machine direction 50.
Slurry distributor 1420 comprises bifurcated feed conduit 1422, distribution conduit 1428, slurry Wiping mechanism 1417 and builder 1432.Slurry distributor support member 1400 can be configured to help to support slurry distributor 1420.
With reference to Figure 22 and Figure 23, slurry distributor support member 1400 can comprise support component, and in the embodiment shown in the drawing, support component is the form of the base support member 1401 limiting stayed surface 1402.Stayed surface 1402 can be constructed to the outside of at least one in feed conduit 1422 and distribution conduit 1428 substantially conform at least partially help to limit the rate of travel between slurry distributor 1420 and base support member 1401.In some embodiments, stayed surface 1402 can also help the interior geometry of slurry distributor 1420 that keeps slurry to flow through wherein.In embodiments, extra anchoring structure can be set to help slurry distributor 1420 to be fixed on base support member 1401.
Slurry distributor support member 1400 can also comprise support component 1404, and upper support component 1404 is arranged to and base support member 1401 positioned in spaced relation.Upper support component 1404 can be positioned at the top of slurry distributor 1420 and be suitable for being placed with and expect to construct to help the interior geometry 1407 of slurry distributor 1420 to remain with slurry distributor 1420 one-tenth supporting relations.
Multiple supporting sections 1413,1415,1416 that upper support component 1404 can comprise support frame 1407 and be supported regularly by support frame 1407.Support frame 1407 can be installed at least one in the vertical rod of base support member 1401 or one or more suitable layout, to be remained by support frame 1407 and bottom support pallet 1401 one-tenth fixed relationships.Supporting section 1413,1415,1416 can have contact surface separately, and contact surface is constructed to substantially conform to the surface portion of the form desired geometries of at least one in distribution conduit 1428 with the feed conduit 1422 of slurry distributor 1420.In embodiments, support frame 1407 can be suitable for regulating movably supporting section 1413, spatial relationship between 1415,1416 and slurry distributor 1420.Such as, in some embodiments, support frame 1407 can on vertical axis 55 in stroke movable support section 1413,1415,1416.
With reference to Figure 22, slurry Wiping mechanism 1417 comprises a pair actuator 1510,1511, and actuator 1510,1511 is operationally furnished with wiper blade 1514 and optionally moves back and forth to make wiper blade 1514.Actuator 1510,1511 is installed on base support member 1401 in the adjacent place of the distal end portion 1515 of distribution conduit 1428.Wiper blade 1514 laterally extends between actuator 1510,1511.
With reference to Figure 26, distribution outlets 1430 comprises exit opening 1481, and exit opening 1481 has the width W along transversal line 60 2.Wiper blade 1514 extends preset width W along transversal line 60 3distance.The width W of exit opening 1481 2be less than the width W of wiper blade 1514 3, to make wiper blade 1514 wider than exit opening 1481.
With reference to Figure 28, in the embodiment shown in the drawing, each actuator 1510,1511 comprises two action pneumatic cylinders with the piston 1520 that can move back and forth.The bar 1522 of piston 1520 is connected with wiper blade 1514.In embodiments, a pair pneumatic air circuit can be connected with driving port 1525 and retraction port one 526 respectively.The suitable control valve assembly 1532 controlled by controller 1534 can be utilized to control pressurized gas source 1530, reciprocally move along longitudinal axis 50 optionally to make wiper blade 1514.In embodiments, the driving port 1525 of two actuators 1510,1511 can be tied to together by airline in parallel, and the retraction port one 526 of two actuators 1510,1511 can be tied to together by independent airline in parallel.In other embodiments, actuator for any object that wiper blade can be made to move back and forth, can comprise such as manually operated device.
1540 one-tenth, the bottom surface contact relation of movable wiper blade 1514 and distribution conduit 1428.Wiper blade 1514 can removing path (shown in broken lines) between the first position and the second position reciprocally be moved.Removing path is arranged to adjacent with the distal end portion 1515 comprising distribution outlets 1430 of distribution conduit 1428.Wiper blade longitudinally moves back and forth along removing path.In the embodiment shown in the drawing, the primary importance of wiper blade 1514 is in the upstream longitudinally of distribution outlets 1430, and the second place is in the downstream longitudinally of distribution outlets 1430.
Controller 1534 is suitable for optionally controlling actuator and reciprocally moves to make wiper blade 1514.In embodiments, controller 1534 is suitable for making wiper blade 1514 move to the second place from primary importance along removing direction 1550 and make wiper blade move to primary importance along contrary, Return-ing direction 1560 from the second place in backstroke in wiping stroke.In embodiments, controller 1534 is suitable for wiper blade 1514 is moved, to make the time of movement in wiping stroke substantially identical with the time of movement in backstroke.
In embodiments, controller 1534 can be suitable for wiper blade 1514 is reciprocally moved between the first position and the second position in the circulation with the cycle of sweeping.The cycle of sweeping comprises: wiping part, the time of its protection movement on wiping stroke; Returning part, it protects the time of movement on the return stroke; And accumulated delay part, it comprises wiper blade 1514 and remains on predetermined amount of time in primary importance.In embodiments, wiping part is substantially the same with returning part.In embodiments, controller 1534 is suitable for adjustable ground change accumulated delay part.
With reference to Figure 34, the base support member 1401 of the bottom surface of support distribution conduit 1428 comprises periphery 1565.Distribution outlets 1430 and base support member 1401 are longitudinally biased, and extend from the periphery 1565 of base support member 1410 to make the distal outlet port part 1515 of distribution conduit 1428.Back with reference to Figure 28, when wiper blade is in primary importance, wiper blade 1514 supports the distal outlet port part 1515 of slurry distributor 1420.
With reference to Figure 22, builder 1432 comprises with the molded component 1610 of distribution conduit 1428 one-tenth contact relation and is suitable for allowing molded component 1610 to have the supporting component 1620 of at least two frees degree.In embodiments, molded component can to rotate around at least one pivot axis along at least one axis translation.In embodiments, molded component can move along vertical axis 55 and can rotate around pivot axis 1630, and pivot axis 1630 is substantially parallel with longitudinal axis 50.
With reference to Figure 26, Figure 30 and Figure 30 A, molded component 1610 can move in stroke, to make molded component 1610 on a series of position, on this series of position, molded component 1610 exports the cumulative compressive engagement of part of 1430 to change shape and/or the size of exit opening 1430 with the adjacent distributions of distribution conduit 1428.
With reference to Figure 26, the exit opening 1481 of distribution outlets 1430 has the width W along transversal line 60 2.The contact shaped segment of molded component 1410 has the width W extending preset distance along transversal line 4.In embodiments, the width W of exit opening 1481 2than the width W of molded component 1410 4greatly.In other embodiments, the width W of exit opening 1481 2be less than or equal to the width W of molded component 1410 4.Molded component 1410 is positioned such that a pair lateral part 1631,1632 and the molded component 1410 transversely bias relation of distribution outlets 1430, makes molded component not engage lateral part 1631,1632.In some embodiments, lateral part 1631,1632 can have the width W of exit opening 1481 2about 1/4th combined width.
With reference to Figure 23, supporting component 1620 comprise a pair fixing vertical rod 1642,1643, horizontal fixed support part 1645 and the horizontal pivoting support member 1647 that utilizes any pivotally connected and horizontal fixed support part 1645 to be suitably connected pivotly.Fixing vertical rod 1642,1643 can be installed on base support member 1401.Horizontal fixed support part 1645 laterally can extend between fixing vertical rod 1642,1643.
With reference to Figure 29, Figure 30, Figure 30 B and Figure 31, pivoting support member 1647 can rotate around pivot axis 1630 in arc length degree 1652 relative to fixed support part 1645.In embodiments, arc length degree 1652 allows the hub switch side 1653 of pivoting support member 1647 to be not only inclined upwardly above transversal line 60 but also downward-sloping below transversal line 60.Pivoting support member 1647 supports molded component 1610.
In embodiments, molded component 1610 can to rotate around the pivot axis 1630 being arranged essentially parallel to longitudinal axis 50 along vertical axis 55 translation.Molded component 1610 can rotate around pivot axis 1630 in arc length degree 1652, to make molded component 1610 on a series of position, on this series of position, molded component engages with the part variable compressive that transversal line 60 intersects with distribution conduit 1428, makes the height H of exit opening 1481 2change along transversal line 60.
With reference to Figure 29 and Figure 33, molded component 1610 comprises roughly longitudinally and the engaged section 1660 laterally extended and the translational adjustment bar 1662 generally perpendicularly extended from engaged section 1660.The translational adjustment bar 1662 of molded component 1610 is fixed to the pivoting support member 1647 of supporting component 1620 movably, and molded component 1610 can be moved along vertical axis 55 on a series of upright position.A pair translational guidance bar 1663,1665 connects to engaged section 1660 and extends through the corresponding axle collar 1667,1668 be installed on pivoting support member 1647.Guide rod 1663,1665 can move along vertical axis 55 relative to the axle collar 1667,1668.
Supporting component 1620 can comprise clamp system, and clamp system is suitable for optionally engaging translational adjustment bar 1662 to be fixed on by molded component 1610 on the selected upright position on a series of upright position.In the embodiment shown in the drawing, being threaded as clamp system between translational adjustment bar 1662 and pivoting support member 1647.Lock nut 1664 is set to be fixed on appropriate location by threaded translational adjustment bar 1662.Elastic nut 1666 be arranged in the distal end portion 1657 of translational adjustment bar 1662 nearby to keep the cap screw 1669(being enough to allow to be attached to distal end portion see Figure 30 C) gap that rotates.With reference to Figure 30 C, blind hole 1658 is limited to hold cap screw 1669 in molded component 1610, thus allows cap screw to rotate around the axis of translational adjustment bar 1662.
With reference to Figure 30 B and Figure 31, supporting component 1620 can be suitable for rotatably supporting molded component 1610, can rotate to make molded component 1610 along arc length degree 1652 on a series of position around pivot axis 1630.Supporting component 1620 comprises rotation adjusting lever 1670, and rotation adjusting lever 1670 is extended (also see Figure 31) between fixed support part 1645 and pivoting support member 1647 by the Support bracket 1672 be connected with fixed support part 1645.Rotation adjusting lever 1670 by being fixed on fixed support part 1645 movably with being threaded of Support bracket 1672, to make to make rotation adjusting lever 1670 move relative to fixed support part 1645 to make pivoting support member 1647 relative to fixed support part 1645 around pivot axis 1630 pivotable by rotating its T-shaped handle.Support bracket 1672 can be constructed such that it can allow certain flexing during tilt operation.The axle collar 1673,1674 that can arrange axle can to increase reliability.
Supporting component 1620 can comprise clamp system, and described clamp system is suitable for optionally engaging rotation adjusting lever 1670, to be fixed on by molded component 1610 along on the select location in a series of positions of arc length degree 1652.In the embodiment shown in the drawing, locking nut 1677 can be set so that threaded rod 1670 is locked onto a nut 1679.
With reference to Figure 34 and Figure 40, the bifurcated feed conduit 1422 of slurry distributor 1420 comprises the first and second feed part 1701,1702.Each in first and second feed part 1701,1702 all has: corresponding approach section 1436,1437, approach section 1436,1437 there is feeding entrance 1424,1425 and be communicated with feeding entrance 1424,1425 fluid be fed into inlet/outlet 1710,1711; Setting pipeline 1441,1443, it has globular part 1720,1721(also see Figure 41), globular part 1720,1721 is communicated with inlet/outlet 1710,1711 fluid that is fed into of corresponding approach section 1436; And changeover portion 1730,1731, it is communicated with corresponding globular part 1720,1721 fluid.
With reference to Figure 34, first and second feeding entrance 1424,1425 and first and second approach sections 1436,1437 can be arranged to be fed to angle θ accordingly, this feeding angle is measured as the swing relative to vertical axis 55, its about on longitudinal axis 50 in the scope of 135 °.Illustrated first and second feeding entrance 1424,1425 and first and second approach sections 1436,1437 are to be arranged to the corresponding feeding angle θ that longitudinal axis 50 is aimed at substantially.
First feed part 1701 is equal to substantially with the second feed part 1702.Therefore, should be appreciated that the description of a feed part is applicable to another feed part equally comparably.In other embodiments, the feed part that only there is single feed part or can exist in further embodiment more than two.
With reference to Figure 35, that approach section 1436 is roughly tubular and extend along the first feed stream axis 1735.First feed stream axis 1735 of illustrated approach section 1436 roughly extends along vertical axis 55.
In other embodiment, the first feed stream axis 1735 can have the different orientation relative to the plane 57 limited by longitudinal axis 50 and transversal line 60.Such as, in other embodiments, first feed stream axis 1735 can be arranged to be fed to pitch angle σ, and this feeding pitch angle σ is measured as the swing relative to transversal line 60, and transversal line 60 is non-perpendicular with the plane 57 limited by longitudinal axis 50 and transversal line 60.In embodiments, the pitch angle σ upwards measured to vertical axis 55 along the direction contrary with machine direction 92 from longitudinal axis 50 as shown in figure 35 can optional position in the scope from about zero to about 135 degree, in other embodiments, optional position in the scope from about 15 to about 120 degree, in other embodiments, optional position in the scope from about 30 to about 105 degree, in other embodiments, optional position in the scope from about 45 to about 105 degree, and in other embodiments, optional position in the scope from about 75 to about 105 degree.In other embodiments, the first feed stream axis 1735 can be arranged with feed roller angle, and feed roller angle is measured as the swing relative to longitudinal axis 50, and longitudinal axis 50 is non-perpendicular with the plane 57 limited by longitudinal axis 50 and transversal line 60.
With reference to Figure 34, setting pipeline 1441 comprises a pair lateral sidewalls 1740,1741 and globular part 1720.Setting pipeline 1441 is communicated with inlet/outlet 1722 fluid that is fed into of approach section 1436.With reference to Figure 35, globular part 1720 is constructed and reduces stream of slurry moves to changeover portion 1730 by globular part 1720 average speed from approach section 1436.In embodiments, the average speed that globular part 1720 is constructed to stream of slurry moves to changeover portion 1730 from approach section 1436 by globular part 1720 reduces by two ten at least percent.
With reference to figure 45-47, globular part 1720 has extended area 1750, extended area 1750 have than relative to from feeding entrance 1424 towards the flow direction 1752 of the distribution outlets 1430 of distribution conduit 1428 at the large cross-sectional flow area of the cross-sectional flow area of the adjacent area of described extended area upstream.In embodiments, globular part 1720 has region 1752, and region 1752 has sectional area larger than the sectional area being fed into inlet/outlet 1711 in the plane perpendicular to first-class axis 1735.
Setting pipeline 1441 has convex inner surface 1758, and convex inner surface 1758 is fed into inlet/outlet 1711 one-tenth in the face of relation with approach section 1436.Globular part 1720 has the roughly radial directed passage 1460 of layout adjacent with convex inner surface.Guiding channel 1460 is constructed to promote the Radial Flow in the plane substantially vertical with the first feed stream axis 1735.With reference to Figure 45, convex inner surface 1758 is constructed in stream, limit central limited part 1762, and this also helps the average speed improving slurry in radial directed passage 1760.
Setting pipeline 1441 can be constructed to make move by adjacent with convex inner surface 1758 and have the vortex movement (S from about zero to about 10 with the stream of slurry at least one the adjacent region in lateral sidewalls 1740,1741 towards distribution outlets 1430 m), go up to about 3 in other embodiments, and in other embodiments from about 0.5 to about 5.In embodiments, move by adjacent with convex inner surface 1758 and with the stream of slurry at least one the adjacent region in lateral sidewalls 1740,1741, there is the vortex movement (S from about 0 ° to about 84 ° towards distribution outlets 1430 m), and in other embodiments from about 10 ° to about 80 °.
With reference to Figure 34 and Figure 35, changeover portion 1730 is communicated with globular part 1720 fluid.Illustrated changeover portion 1730 is 50 extensions longitudinally.Changeover portion 1730 is constructed to its width measured along transversal line 60 is being increased from globular part 1720 to the flow direction of exhaust outlet 1430.Changeover portion 1730 extends along the second feed stream axis 1770, and the second feed stream axis 1770 and the first feed stream axis 1735 are non-parallel relation.
In embodiments, the first feed stream axis 1735 is substantially vertical with longitudinal axis 50.In embodiments, the first feed stream axis 1735 is substantially parallel with vertical axis 55, and vertical axis 55 is vertical with transversal line 60 with longitudinal axis 50.In embodiments, the second feed stream axis 1770 is to arrange relative to the corresponding feeding angle θ of longitudinal axis 50 in the upper scope to about 135 °.
In embodiments, feed conduit 1422 comprises bifurcation connector section 1439, and it comprises the first and second guiding surfaces 1780,1781.In embodiments, the first and second guiding surfaces 1781 can be suitable for respectively by being entered the first and second stream of slurry change directions of feed conduit by the first and second entrances 1424,1425 to output flow direction in the upper change to the deflection in the scope of about 135 °.
With reference to Figure 41-43, each in setting pipeline 1441,1443 all has concave outer surface 1790,1791, concave outer surface 1790,1791 with the basic complementation of the shape of its convex inner surface 1758 and with its relation that becomes to underlie.Each concave outer surface 1790,1791 all limits recess 1794,1795.
With reference to Figure 27, Figure 35 and Figure 36, support insert 1801,1802 is disposed in each recess 1794,1795 of slurry distributor 1420.The corresponding convex inner surface relation that becomes to underlie of support insert 1801,1802 and setting pipeline 1441,1443 is arranged.Support insert 1801,1802 can by supporting slurry distributor by contributing to and keeping any suitable material of the intended shape of the convex inner surface covered to make.In the embodiment shown in the drawing, support insert 1801,1802 is substantially identical.In other embodiments, different support insert can be used, or in other embodiments, not use plug-in unit.
With reference to Figure 37-39, rigid support plug-in unit 1801 comprises the stayed surface 1810 substantially conformed to the shape of the convex inner surface of setting pipeline.In embodiments, the setting pipeline of slurry distributor can be made up of fully soft material, is limited by the stayed surface 1810 of support insert 1801 to make convex inner surface.In these cases, the concave outer surface of setting pipeline can be omitted.
Support insert 1801 comprises feed terminal 1820 and distribution end 1822.Support insert 1801 extends along central supporting axis 1825.Support insert 1801 is about axis of support 1825 substantial symmetry.Support insert 1801 is asymmetric about the central axis 1830 vertical with axis of support 1825.
Virgo Figure 34, distribution conduit 1428 roughly longitudinally 50 extend and the distribution outlets 1430 comprising inlet portion 1452 and be communicated with inlet portion 1452 fluid.Inlet portion 1452 and first and second of feed conduit 1422 are fed to entrance 1424,1425 fluid and are communicated with.The width of distribution conduit 1428 increases from inlet portion 1452 to distribution outlets 1430.But in other embodiments, the width of distribution conduit 1428 reduces from inlet portion 1452 to distribution outlets 1430 or invariable.
Inlet portion 1452 comprises and enters opening 1453, enters the distribution that opening 1453 has along transversal line 60 and enters width W 5, and along the entry altitude H of vertical axis 55 4, wherein distribution enters width W 5be less than the width W of the exit opening 1481 of distribution outlets 1430 2.In other embodiments, distribution enters width W 5be more than or equal to the width W of the exit opening 1481 of distribution outlets 1430 2.In embodiments, the ratio of width to height of exit opening 1481 is about four or larger.
In embodiments, at least one in feed conduit 1422 and distribution conduit 1428 comprises current stabilization district, this current stabilization district is suitable for reducing stream of slurry and enters feeding entrance 1424,1425 and move to the average feed rate of distribution outlets 1430, to make stream of slurry to discharge from distribution outlets than the average velocity of discharge of average feed rate low at least percent 20.
Figure 44-53 describes the interior geometry 1407 of the half portion 1504 of the slurry distributor 1420 of Figure 22 progressively.The slurry distributor 1420 of Figure 22 is similar to the slurry distributor 120 of Fig. 1 and the slurry distributor 420 of Figure 20 in other side.
Any suitable technology manufactured according to the slurry distributor of disclosure principles of construction can be used.Such as, in the embodiment that slurry distributor is made up of the flexible material of such as PVC or urethanes, Multi-part molds can be used.In some embodiments, mold members region be remove period by the region of the shaping slurry distributor of its pull-out mold members about 150% or be less than and removing the region of shaping slurry distributor of period by its pull-out mold members, in other embodiments, mold members region be remove period by the region of the shaping slurry distributor of its pull-out mold members about 125% or be less than and removing the region of shaping slurry distributor of period by its pull-out mold members, in other embodiments, mold members region be remove period by the region of the shaping slurry distributor of its pull-out mold members about 115% or be less than and removing the region of shaping slurry distributor of period by its pull-out mold members, and in further embodiment, mold members region be remove period by the region of the shaping slurry distributor of its pull-out mold members about 110% or be less than and removing the region of shaping slurry distributor of period by its pull-out mold members
With reference to Figure 54 and Figure 55, show the embodiment be applicable to by the Multi-part molds 550 of the slurry distributor 120 of the flexible material construction drawing 1 of such as PVC or urethanes.Illustrated Multi-part molds 550 comprises five mould sections 551,552,553,554,555.The mould sections 551,552,553,554,555 of Multi-part molds 550 can be made up of any suitable material of such as such as aluminium.
In the embodiment shown in the drawing, distributor ducts mould sections 551 is constructed to the inside stream geometry limiting distributor ducts 128.First and second setting pipeline mould sections 552,553 are constructed to restriction first and second and formalize the inside stream geometry of pipeline 141,143.First and second enter the inside stream geometry that mould sections 554,555 limits the first approach section 136 and the first feeding entrance 124 and the second approach section 137 and the second feeding entrance 125 respectively.In other embodiments, Multi-part molds can comprise the mould sections of varying number and/or mould sections can have different shapes and/or size.
With reference to Figure 54, connecting bolt 571,572,573 can insert two or more mould sections so that mould sections 551,552,553,554,555 is interlocked and to be aimed at, and makes the outer surface of continuous print substantially 580 limiting Multi-part molds 550.In some embodiments, the distal portion 575 of connecting bolt 571,572,573 comprises external screw thread, and external screw thread is constructed to by screw-threaded engagement mould sections 551,552,553,554,555 at least two in mould sections 551,552,553,554,555 to be interconnected.The outer surface 580 of Multi-part molds 550 is constructed to the interior geometry limiting shaping slurry distributor 120, to make to reduce burning at joint.Removing in the process of mould 550 from the inside of shaping slurry distributor 120, connecting bolt 571,572,573 can removed to be dismantled by Multi-part molds 550.
The Multi-part molds 550 of assembling is impregnated in the flexible material solution of such as PVC or urethanes, is fully immersed in solution to make mould 550.Then, mould 550 can be removed from impregnated material.A certain amount of solution can be attached on the outer surface 580 of Multi-part molds 550, once solution becomes solid-state form, solution will form shaping slurry distributor 120.In embodiments, Multi-part molds 550 can be used to be formed into shaped piece in any suitable impregnation technology.
By making mould 550 from multiple independent alumiaum article, in the embodiment shown in the drawing, there are five parts, these parts are designed to the inside stream geometry being assembled together to provide expectation, but start to solidify still warm heat once it, mould sections 551,552,553,554,555 can be separated from one another and be drawn out from solution.At sufficiently high temperature, flexible material is enough submissive to be pulled the aluminium-making mould part 551,552,553,554,555 of larger reference area by the shaping slurry distributor 120 of less reference area, and can not be torn.In some embodiments, maximum mold members area reach remove specific mold members in process transversely across shaping slurry distributor cavity area wherein minimum area about 150%, reach about 125% in other embodiments, in other embodiments, reach about 115%, and in other embodiments, reach about 110%.
With reference to Figure 56, show the embodiment be applicable to by the Multi-part molds 650 of the slurry distributor 320 of the flexible material shop drawings 6 of such as PVC or urethanes.Illustrated Multi-part molds 650 comprises five mould sections 651,652,653,654,655.The mould sections 651,652,653,654,655 of Multi-part molds 550 can be made up of any suitable material of such as such as aluminium.Mould sections 651,652,653,654,655 is shown under the disassembly status of Figure 56.
Connecting bolt can be used in mould sections mould sections 651,652,653,654,655 to link together removedly with assembly jig 650, makes the outer surface of continuous print substantially limiting Multi-part molds 650.The outer surface of Multi-part molds 650 defines the inside stream geometry of the slurry distributor 220 of Fig. 6.Mould 650 is constructively similar to the mould 550 of Figure 54 with Figure 55, because in the scheduled volume of the minimum area of each of the mould of Figure 56 650 shaping slurry distributor 220 being constructed to make its area to must traverse in the mold members when it is removed (such as, in some embodiments, reach remove specific mold members in process transversely across shaping slurry distributor cavity area minimum area about 150%, reach about 125% in other embodiments, about 115% is reached in other embodiment, and in other embodiments, reach about 110%.
With reference to Figure 57 and Figure 58, show the embodiment for the manufacture of the mould 750 of in the part 221,223 of the two-piece type slurry distributor 220 of Fig. 4.With reference to Figure 57, installation bore hole restriction element 752 can be comprised and make to be convenient to its installation bore hole be connected with other part to limit in the part of the two-piece type slurry distributor 220 of Fig. 4.
With reference to Figure 57 and Figure 58, mould 750 comprises the die surface 754 stretched out from the bottom surface 756 of mould 750.Boundary wall 756 extends along vertical axis and limits the degree of depth of mould.Die surface 754 is arranged in boundary wall 756.The volume that boundary wall 756 is configured to the cavity 758 limited in boundary wall fills the mold materials melted, and is immersed to make die surface 754.Die surface 754 is constructed to the reversed image of the inside stream geometry limited by the special order of shaping two-piece type distributor.
In use, the cavity 758 of mould 750 can fill molten material, with make die surface immerse and cavity 758 fills molten material.Molten material can be allowed to cool and remove from mould 750.Another mould can be used in the matching parts of the slurry distributor 220 forming Fig. 4.
With reference to Figure 59, the embodiment of gypsum slurry mixed distribution assembly 810 comprises the gypsum slurry blender 912 be communicated with slurry distributor 820 fluid, and slurry distributor 820 is similar to the slurry distributor 320 shown in Fig. 6.Gypsum slurry blender 812 is suitable for stirring to form aqueous calcined gypsum slurry to water and bassanite.Water and bassanite all can via one or more entrance well known in the art by public in blender 812.Any suitable blender (such as, pin blender) can use together with slurry distributor.
Slurry distributor 820 is communicated with gypsum slurry blender 812 fluid.Slurry distributor 820 comprises: the first feeding entrance 824, and it is suitable for receiving the first aqueous calcined gypsum stream of slurry along the first feed direction 890 movement from gypsum slurry blender 812; Second feeding entrance 825, it is suitable for receiving the second aqueous calcined gypsum stream of slurry along the second feed direction 891 movement from gypsum slurry blender 812; And distribution outlets 830, it is fed to both entrances 824,825 fluid and is communicated with first and second and is adapted so that the first and second aqueous calcined gypsum stream of slurry are discharged from slurry distributor 820 by distribution outlets 830 along machine direction 50 substantially.
Slurry distributor 820 comprises the feed conduit 822 be communicated with distribution conduit 828 fluid.Feed conduit comprise the first feeding entrance 824 and with first be fed to that entrance 824 positioned in spaced relation arranges second be fed to entrance 825, the first feeding entrance 824 and second feeding both entrances 825 are all arranged with the feeding angle θ about about 60 ° of machine direction 50 one-tenth.Feed conduit 822 comprises the first and second stream of slurry being suitable for receiving along the first and second feed stream direction 890,891 movements wherein and is sent to substantially along the structure in the distribution conduit 828 of output flow direction 892 movement by the change change stream of slurry direction of direction angle alpha (see Fig. 9) to make the first and second stream of slurry, output flow direction 892 and machine direction 50 substantial registration.First and second feeding entrances 824,825 comprise the opening with sectional area separately, and the inlet portion 852 of distribution conduit 828 comprises the opening with the sectional area larger than the sectional area sum of the opening of the first and second feeding entrances 824,825.
Distribution conduit 828 roughly extends along the longitudinal axis substantially vertical with transversal line 60 or machine direction 50.Distribution conduit 828 comprises inlet portion 852 and distribution outlets 830.Inlet portion 852 and first and second of feed conduit 822 are fed to entrance 824,825 fluid and are communicated with, and are suitable for receiving from the first and second aqueous calcined gypsum stream of slurry wherein to make inlet portion 852.Distribution outlets 830 is communicated with inlet portion 852 fluid.The distribution outlets 830 of distribution conduit 828 extends preset distance along transversal line 60 and discharges along cross machine direction or along transversal line 60 with the first and second aqueous calcined gypsum stream of slurry contributing to combining.Slurry distributor 820 is similar to the slurry distributor 320 of Fig. 6 in other side.
Delivery conduit 814 to be disposed between gypsum slurry blender 812 and slurry distributor 820 and to be communicated with slurry distributor 820 fluid with gypsum slurry blender 812.Delivery conduit 814 comprises main conveying route 815, be fed to first of slurry distributor 820 that entrance 824 fluid is communicated with first carry branch 817 and be fed to that entrance 825 fluid is communicated with second of slurry distributor 820 second carry branch 818.Main conveying route 815 and first and second carries both branches 817,818 fluid to be communicated with.In other embodiments, first and second conveying branches 817,818 can with gypsum slurry blender 812 independently fluid be communicated with.
Delivery conduit 814 can be made up of any suitable material and can have different shapes.In some embodiments, delivery conduit 814 can comprise flexible conduit.
Resistance aqueous foam supplying duct 821 can be communicated with at least one fluid in delivery conduit 814 with gypsum slurry blender 812.Resistance aqueous foam from source can be added in constituent material by foam supplying duct 821 to form the foamed gypsum slurry being provided to slurry distributor 220 any appropriate position of itself in the downstream of blender 812 and/or blender 812.In the embodiment shown in the drawing, foam supplying duct 821 is arranged in the downstream of gypsum slurry blender 812.In the embodiment shown in the drawing, resistance aqueous foam supplying duct 821 has for being supplied to by foam as such as United States Patent (USP) 6,874, and the manifold-type of the sparge ring that the delivery conduit 814 described in 930 is associated or block is arranged.
In other embodiments, the one or more foam supplying ducts be communicated with blender 812 fluid can be provided.In further embodiment, resistance aqueous foam supplying duct can with gypsum slurry blender alone fluid be communicated with.As the skilled person will appreciate, can change for the device comprising its relative position in assembly resistance aqueous foam is directed in gypsum slurry mixed distribution assembly 810 and/or optimization with the uniformly dispersing providing resistance aqueous foam in gypsum slurry to produce the plate being suitable for its desired use.
Any suitable blowing agent can be used.Preferably, produce resistance aqueous foam with following continuation mode: the mixed flow of blowing agent and water is directed to foam maker, and the resistance aqueous foam stream of synthesis leaves generator and is directed to bassanite slurry and mixes with bassanite slurry.At such as United States Patent (USP) 5,683,635 and 5,643, in 510, describe some embodiments of suitable blowing agent.
When foamed gypsum slurry solidifies and be dried, the foam scattered in the slurry creates the air void of the gross density for reducing wallboard wherein.Air capacity in foam volume and/or foam can change to regulate dry plate density, to make obtained wall-board product within the scope of desired wt.
One or more stream adjustment element 823 can be associated with delivery conduit 814 and be suitable for controlling the first and second aqueous calcined gypsum stream of slurry from gypsum slurry blender 812.Stream adjustment element 823 can be used in the operating characteristic of control first and second aqueous calcined gypsum stream of slurry.In the illustrated embodiment of Figure 59, stream adjustment element 823 is associated with main conveying route 815.The embodiment of suitable stream adjustment element comprises volume limiter, pressure reducer, constrictor valve, tank etc., is included in those that describe in such as United States Patent (USP) 6,494,609,6,874,930,7,007,914 and 7,296,919.
Main conveying route 815 can carry branch 817,818 to engage via the Y type current divider 819 and first and second be applicable to.Current divider 819 is arranged between main conveying route 815 and the first conveying branch 817 and between main conveying route 815 and the second conveying branch 818.In some embodiments, current divider 819 can be suitable for helping the first and second gypsum slurry diverting flows to make them substantially equal.In other embodiments, extra parts can add to help adjustment first and second stream of slurry.
In use, aqueous calcined gypsum slurry is discharged from blender 812.Aqueous calcined gypsum slurry from blender 812 is split into the first aqueous calcined gypsum stream of slurry and the second aqueous calcined gypsum stream of slurry in current divider 819.Aqueous calcined gypsum slurry from blender 812 can be shunted to make the first and second aqueous calcined gypsum stream of slurry substantially to balance.
With reference to Figure 60, show another embodiment of gypsum slurry mixed distribution assembly 910.Gypsum slurry mixed distribution assembly 910 comprises the gypsum slurry blender 912 be communicated with slurry distributor 920 fluid.Gypsum slurry blender 912 is suitable for stirring to form aqueous calcined gypsum slurry to water and bassanite.Slurry distributor 920 is constructively with functionally similar to the slurry distributor 320 of Fig. 6.
Delivery conduit 914 to be arranged between gypsum slurry blender 912 and slurry distributor 920 and to be communicated with slurry distributor 920 fluid with gypsum slurry blender 912.Delivery conduit 914 comprises main conveying route 915, be fed to first of slurry distributor 920 that entrance 924 fluid is communicated with first carry branch 917 and be fed to that entrance 925 fluid is communicated with second of slurry distributor 920 second carry branch 918.
Main conveying route 915 is arranged in gypsum slurry blender 912 and first and second and carries branches 917,918 between the two and carry both branches 917,918 fluid to be communicated with gypsum slurry blender 912 and first and second.Resistance aqueous foam supplying duct 921 can be communicated with at least one fluid in delivery conduit 914 with gypsum slurry blender 912.In the embodiment shown in the drawing, resistance aqueous foam supplying duct 912 is associated with the main conveying route 915 of delivery conduit 914.
Be fed to entrance 924 fluid with gypsum slurry blender 912 and first of slurry distributor 920 and be communicated with between the first feeding entrance 924 that first conveying branch 917 is arranged in gypsum slurry blender 912 and slurry distributor 920.At least one first-class adjustment element 923 and first is carried branch 917 to be associated and is suitable for controlling the first aqueous calcined gypsum stream of slurry from gypsum slurry blender 912.
Be fed to entrance 925 fluid with gypsum slurry blender 912 and second of slurry distributor 920 and be communicated with between the second feeding entrance 925 that second conveying branch 918 is arranged in gypsum slurry blender 912 and slurry distributor 920.At least one second adjustment element 927 and second is carried branch 918 to be associated and is suitable for controlling the second aqueous calcined gypsum stream of slurry from gypsum slurry blender 912.
First and second stream adjustment elements 923,927 can be operated to control the operating characteristic of the first and second aqueous calcined gypsum stream of slurry.First and second stream adjustment elements 923,927 can operate independently.In some embodiments, first and second stream adjustment elements 923,927 can activated the first and second stream of slurry of alternation between relatively slow average speed and comparatively faster average speed in the opposite manner, make have the average speed faster than the second stream of slurry in given moment first stream of slurry and have the average speed slower than the second stream of slurry in another time point first stream of slurry.
As those skilled in the art will appreciate that, as required, one or two cover net sheet material can carry out pretreatment by very thin and relatively dense gypsum slurry layer (gypsum slurry relative to comprising core) and/or hard edge, and very thin and relatively dense gypsum slurry layer is commonly referred to skim coat in this area.For this purpose, blender 912 comprises the first subsidiary conduit 929, first subsidiary conduit 929 is suitable for deposition rate and is transported to the relatively dense dense aqueous calcined gypsum stream of slurry (that is, " front skim coat/hard edge stream ") of the first and second aqueous calcined gypsum stream of slurry of slurry distributor.Front skim coat/hard edge stream can deposit on the cover net sheet material of the movement being positioned at skim coat roller 931 upstream by the first subsidiary conduit 929, the cover net sheet material that skim coat roller 931 is suitable for skim coat to be coated to movement limits hard edge by making the width of roller 931 be less than the width of mobile network at the periphery of mobile network, and this is well known in the art.By the part that will guide in the dense slurry being used for end perimeter dense layer being coated to online roller, hard edge can be formed by the identical dense slurry forming thinner dense layer.
Blender 912 can also comprise the second subsidiary conduit 933, second subsidiary conduit 933 is suitable for deposition rate and is transported to the relatively dense dense aqueous calcined gypsum stream of slurry (that is, " back side skim coat stream ") of the first and second aqueous calcined gypsum stream of slurry of slurry distributor.Back side skim coat stream can deposit on the cover net sheet material of the second movement being positioned at skim coat roller 937 upstream (moving direction along the second net) by the second subsidiary conduit 933, skim coat roller 937 is suitable for skim coat to be coated on the cover net sheet material of the second movement, as known in the art (also see Figure 61).
In other embodiments, independent subsidiary conduit can be connected the cover net sheet material one or more independent marginal flow to be transported to movement with blender.Other equipment (such as auxiliary mixer) be applicable to can be set in subsidiary conduit to help to make slurry wherein denser, such as destroy the foam in slurry mechanically and/or utilize suitable defoamer to decompose foam by chemical mode.
In other embodiment, the first and second conveying branches can comprise foam supplying duct wherein separately, and foam supplying duct is suitable for being directed to by resistance aqueous foam being independently transported in the first and second aqueous calcined gypsum stream of slurry of slurry distributor respectively.In other embodiment, multiple blender is set to provide the first and second feeding entrances independently stream of slurry being supplied to the slurry distributor according to disclosure principles of construction.To recognize that other embodiment is possible.
The gypsum slurry mixed distribution assembly 910 of Figure 60 is similar to the gypsum slurry mixed distribution assembly 810 of Figure 59 in other side.Further design, other slurry distributor according to disclosure principles of construction can use in other embodiment of cementitious slurry mixed distribution assembly as described herein.
With reference to Figure 61, show the exemplary that plaster wall slab manufactures the green end 1011 of circuit.Green end 1011 comprises gypsum slurry mixed distribution assembly 1010, and it has: the gypsum slurry blender 1012 be communicated with slurry distributor 1020 fluid, and slurry distributor 1020 is constructing with functionally similar to the slurry distributor 320 of Fig. 6; Hard edge/front skim coat roller 1031, it is arranged in the upstream of slurry distributor 1020 and the top being supported on workbench 1038 is arranged between which to make the first removable cover mesh sheet material 1039; Back side skim coat roller 1037, it is arranged in above support component 1041, arranges between which to make the second removable cover mesh sheet material 1043; And forming station 1045, it is suitable for thickness preform being shaped to expectation.Skim coat roller 1031,1037, workbench 1038, support component 1041 and forming station 1045 all can comprise the conventional equipment well known in the art being suitable for its expection object.Green end 1011 can be equipped with other conventional equipment known in the field.
In another program of the present disclosure, the slurry distributor according to disclosure principles of construction can be used in various manufacture process.Such as, in one embodiment, slurry compartment system can be used in preparing in the method for gypsum product.Before slurry distributor can be used in that aqueous calcined gypsum slurry is distributed to first on network access 1039.
Water and bassanite can mix to form the first and second aqueous calcined gypsum stream of slurry 1047,1048 in blender 1012.In some embodiments, water and bassanite can add in blender than continuously with the water-bassanite of from about 0.5 to about 1.3, and water-bassanite ratio is about 0.75 or less in other embodiments.
Gypsum board products is formed as usually " face down ", with " front " cover plate making the net 1039 of advance be used as production board.The aqueous calcined gypsum pulp layer that front skim coat/hard edge stream 1049(is denser at least one in the first and second aqueous calcined gypsum stream of slurry) can be applied to and be positioned on the first mobile network 1039 of hard edge/skim coat roller 1031 upstream, front relative to machine direction 1092, skim coat to be applied on the first net 1039 and the hard edge of limiting plate.
First aqueous calcined gypsum stream of slurry 1047 and the second aqueous calcined gypsum stream of slurry 1048 are fed to entrance 1024 and the second feeding entrance 1025 respectively by first of slurry distributor 1020.First and second aqueous calcined gypsum stream of slurry 1047,1048 combine in slurry distributor 1020.First and second aqueous calcined gypsum stream of slurry 1047,1048 move by slurry distributor 1020 in the mode of streamlined stream along stream, through minimum or to be substantially separated and substantially without eddy current stream without air-liquid slurry.
First mobile network 1039 moves along longitudinal axis 50.First aqueous calcined gypsum stream of slurry 1047 is by the first feeding entrance 1024, and the second aqueous calcined gypsum stream of slurry 1048 is by the second feeding entrance 1025.Distribution conduit 1028 is positioned such that its longitudinally 50 extensions, and longitudinal axis 50 overlaps substantially with machine direction 1092, and the first cover net sheet material 1039 moves along machine direction 1092.Preferably, the central mid point (intercepting along transversal line/cross machine direction 60) of distribution outlets 1030 overlaps substantially with the central mid point of the first removable cover sheet material 1039.First and second aqueous calcined gypsum stream of slurry 1047,1048 combine in slurry distributor 1020, with the first and second aqueous calcined gypsum stream of slurry 1051 making combination roughly along machine direction 1092 on distribution arrangement 1093 by distribution outlets 1030.
In some embodiments, distribution conduit 1028 is positioned such that it is substantially parallel with the plane limited by longitudinal axis 50 and the transversal line 60 of the first net 1039 along workbench movement.In other embodiments, the inlet portion of distribution conduit can be arranged to go up in the vertical direction lower than distribution outlets 1030 relative to the first net 1039 or higher.
First and second aqueous calcined gypsum stream of slurry 1051 of combination are discharged to the first mobile network 1039 from slurry distributor 1020.What front skim coat/hard edge stream 1049 can be discharged from slurry distributor 1020 in the first and second aqueous calcined gypsum stream of slurry 1047,1048 deposits on the first mobile network 1039 relative to the point of the moving direction upstream of the first mobile network 1039 in machine direction 1092 from blender 1012.Design relative to the feed hopper of routine, first and second aqueous calcined gypsum stream of slurry 1047,1048 of combination can be discharged along cross machine direction with the per unit momentum reduced from slurry distributor, to contribute to preventing " washing away " (in response to the impact depositing to its spreading mass, the part of the skim coat of deposition is from situation of its displacement on mobile network 339) of the front skim coat/hard edge stream 1049 deposited on the first mobile network 1039.
The first and second aqueous calcined gypsum stream of slurry 1047,1048 of the first and second feeding entrances 1024,1025 respectively by slurry distributor 1020 optionally can be controlled by least one stream adjustment element 1023.Such as, in some embodiments, optionally control the first and second aqueous calcined gypsum stream of slurry 1047,1048, to make by the average speed of the first aqueous calcined gypsum stream of slurry 1047 of the first feeding entrance 1024 with to be fed to the average speed of the second aqueous calcined gypsum stream of slurry 1048 of entrance 1025 by second substantially equal.
In embodiments, the first aqueous calcined gypsum stream of slurry 1047 is with the first feeding entrance 1024 of average first feed rate by slurry distributor 1020.Second aqueous calcined gypsum stream of slurry 1048 is with the second feeding entrance 1025 of average second feed rate by slurry distributor 1020.Second feeding entrance 1025 and first is fed to entrance 1024 positioned in spaced relation.First and second aqueous calcined gypsum stream of slurry 1051 combine in slurry distributor 1020.First and second aqueous calcined gypsum stream of slurry 1051 of combination are discharged to along the cover net sheet material 1039 of machine direction 1092 movement from the distribution outlets 1030 of slurry distributor 1020 with the average velocity of discharge.The average velocity of discharge is less than average first feed rate and average second feed rate.
In some embodiments, the average velocity of discharge is less than about 90% of average first feed rate and average second feed rate.In some embodiments, the average velocity of discharge is less than about 80% of average first feed rate and average second feed rate.
First and second aqueous calcined gypsum stream of slurry 1051 of combination are discharged from slurry distributor 1020 by distribution outlets 1030.The opening of distribution outlets 1030 has the width that extends along transversal line 60 and sizing to comprise in these scope between 6:1 at about 1:1 with approximately with the ratio of the width of the opening of the width and distribution outlets 1030 that make the first removable cover mesh sheet material 1039.In some embodiments, the average speed of the first and second aqueous calcined gypsum stream of slurry 1051 of combination of discharging from slurry distributor 1020 can be about 2:1 or less with the ratio of the speed of the removable cover mesh sheet material 1039 along machine direction 1092 movement in some embodiments, and in other embodiments can from about 1:1 to about 2:1.
Dispersion pattern is formed at mobile network 1039 from the first and second aqueous calcined gypsum stream of slurry 1051 of the combination of slurry distributor 1020 discharge.Can regulate at least one in the size and dimension of distribution outlets 1030, this can change dispersion pattern successively.
Therefore, slurry to be fed in two of feed conduit 1022 feeding entrances 1024,1025 and then to be left by distribution outlets 1030 with clearance-adjustable.Converging portion 1082 can provide the increase slightly of slurry speed, thus reduces and less desirablely leave effect and therefore improve the flow stability at Free Surface place further.Carrying out cross machine (CD) shaping by utilizing formation system at exhaust outlet 1030 place to control, side can be reduced to the dynamic change of effluent and/or any localized variation.This compartment system can help prevent the air-liquid pulp separation in slurry, makes the material being transported to workbench 1038 evenly and consistent.
Back side skim coat stream 1053(is relative at least one the denser aqueous calcined gypsum pulp layer in the first and second aqueous calcined gypsum stream of slurry 1047,1048) can be applied on the second mobile network 1043.Back side skim coat stream 1053 can the some place of the moving direction upstream relative to the second mobile network 1043 of skim coat roller 1037 overleaf deposit from blender 1012.
In other embodiments, the average speed of the first and second aqueous calcined gypsum stream of slurry 1047,1048 is changed.In some embodiments, the slurry speed at feeding entrance 1024,1025 place of feed conduit 1022 periodically can be vibrated (at a time point place between relatively high and lower average speed, an entrance has higher speed than another entrance, then at predetermined point of time place, vice versa), to contribute to being reduced in the possibility gathered in its geometry.
In embodiments, by the first aqueous calcined gypsum stream of slurry 1047 of the first feeding entrance 1024, there is the shear rate lower than the shear rate of the first and second streams 1051 of the combination of discharging from distribution outlets 1030, and by the second aqueous calcined gypsum stream of slurry 1048 of the second feeding entrance 1025, there is the shear rate lower than the shear rate of the first and second streams 1051 of the combination of discharging from distribution outlets 1030.In embodiments, can be greater than from the shear rate of the first and second streams 1051 of the combination of distribution outlets 1030 discharge and be fed to about 150% of the first aqueous calcined gypsum slurry 1047 of entrance 1024 and/or the shear rate by the second aqueous calcined gypsum stream of slurry 1048 of the second feeding entrance 1025 by first, in other embodiment, be greater than about 175%, and be greater than twice or larger than it in further embodiment.Should be appreciated that the shear rate inverse correlation that the viscosity of the first and second streams 1051 of the first and second aqueous calcined gypsum stream of slurry 1047,1048 and combination can exist with given location, to make along with shear rate rises, viscosity reduces.
In embodiments, by the first aqueous calcined gypsum stream of slurry 1047 of the first feeding entrance 1024, there is the shear stress lower than the shear stress of the first and second streams 1051 of the combination of discharging from distribution outlets 1030, and by the second aqueous calcined gypsum stream of slurry 1048 of the second feeding entrance 1025, there is the shear stress lower than the shear stress of the first and second streams 1051 of the combination of discharging from distribution outlets 1030.In embodiments, from distribution outlets 1030 discharge combination first and second stream 1051 shear stress can be greater than by first feeding entrance 1024 the first aqueous calcined gypsum stream of slurry 1047 and/or by second feeding entrance 1025 the second aqueous calcined gypsum stream of slurry 1048 shear rate about 110%.
In embodiments, by the first aqueous calcined gypsum stream of slurry 1047 of the first feeding entrance 1024, there is the Reynolds number higher than the Reynolds number of the first and second streams 1051 of the combination of discharging from distribution outlets 1030, and by the second aqueous calcined gypsum stream of slurry 1048 of the second feeding entrance 1025, there is the Reynolds number higher than the Reynolds number of the first and second streams 1051 of the combination of discharging from distribution outlets 1030.In embodiments, can be less than from the Reynolds number of the first and second streams 1051 of the combination of distribution outlets 1030 discharge and be fed to about 90% of the first aqueous calcined gypsum stream of slurry 1047 of entrance 1024 and/or the Reynolds number by the second aqueous calcined gypsum stream of slurry 1048 of the second feeding entrance 1025 by first, in other embodiments, be less than about 80%, and be less than about 70% in further embodiment.
With reference to Figure 62 and Figure 63, show the embodiment of the Y type current divider 1100 of the gypsum slurry mixed distribution assembly be applicable to according to disclosure principles of construction.Current divider 1100 can be placed as and be communicated with slurry distributor fluid with gypsum slurry blender, receives single aqueous calcined gypsum stream of slurry from blender and from the first and second feeding entrances wherein two independent aqueous calcined gypsum stream of slurry being discharged to slurry distributor to make current divider 1100.One or more stream adjustment element can be arranged between blender and current divider 1100 and/or between current divider 1100 and the slurry distributor be associated admittance one or two conveying branch between.
Current divider 1100 has the almost circular entrance 1102 be arranged in main split 1103 and a pair almost circular outlet 1104,1106 be arranged in the first and second outlet branches 1105,1107, main split 1103 is suitable for receiving single stream of slurry, and outlet 1104,1106 allows two bursts of stream of slurry to discharge from current divider 1100.The sectional area of the opening of entrance 1102 and outlet 1104,1106 can change according to desired flow velocity.In the embodiment that the sectional area of the opening of outlet 1104,1106 is substantially equal with the sectional area of the opening of entrance 1102 respectively, about 50% of the speed of the single stream of slurry entering entrance 1102 can be reduced to from the flow velocity of the slurry of each outlet 1104,1106 discharge, wherein substantially identical with the volume flow of two outlets 1104,1106 by entrance 1102.
In some embodiments, the diameter of outlet 1104,1106 can be made less than the diameter of entrance 1102, thus keep relatively high flow velocity in whole current divider 1100.In the embodiment that the sectional area of the opening of outlet 1104,1106 is less than the sectional area of the opening of entrance 1102 respectively, in outlet 1104,1106, keep flow velocity, or flow velocity at least reduces in the degree that the situation all than outlet 1104,1106 and entrance 1102 with substantially equal sectional area is lighter.Such as, in some embodiments, current divider 1100 has entrance 1102, and entrance 1102 has the interior diameter (ID of about 3 inches 1), and each outlet 1104,1106 all has the ID of about 2.5 inches 2(but other entrance and exit diameter can be used in other embodiments).Have under the linear velocity of 350fpm in the embodiment of these sizes, the less diameter of outlet 1104,1106 makes to reduce about 28% of the flow velocity of the single stream of slurry at entrance 1102 at the flow velocity in each exit.
Current divider 110 can comprise central profile portion 1114 and the junction surface 1120 between the first and second outlet branches 1105,1107.Central authorities' profile portion 1114 forms limiting unit 1108 in the central interior region being arranged in upstream, junction surface 1120 of current divider 1100, and limiting unit 1108 helps to promote that the flowing to the outward flange 1110,1112 of current divider is gathered at junction surface 1120 place generation slurry to reduce.The shape of central authorities' profile portion 1114 makes to form guiding channel 1111,1113 in the adjacent place of the outward flange 1110,1112 of current divider 1100.Limiting unit 1108 in central authorities' profile portion 1114 has the height H than guiding channel 1111,1113 3less height H 2.Guiding channel 1111,1113 has the sectional area larger than the sectional area of central limiting unit 1108.As a result, with compared with central limiting unit 1108, the slurry of flowing runs into less flow resistance by guiding channel 1111,1113, and towards the outward flange water conservancy diversion at current divider junction surface 1120.
Junction surface 1120 establishes the opening towards the first and second outlet branches 1105,1107.Junction surface 1120 is made up of the plane wall surfaces 1123 substantially vertical with entrance flow direction 1125.
With reference to Figure 64, in some embodiments, the automation equipment 1150 for the time interval extruding current divider 1100 adjustable and rule can be configured to prevent solid to be collected at the inside of current divider 1100.In some embodiments, pressurizing unit 1150 can comprise a pair plate 1152,1154 be arranged on the opposite side 1142,1143 of central profile portion 1114.Plate 1152,1154 relative to each other can move by suitable actuator 1160.Actuator 1160 automatically or optionally can be operated to plate 1152,1154 and relative to each other move together, thus compression stress is applied on current divider 1100 in central profile portion 1114 and junction surface 1120.
When pressurizing unit 1150 extrudes current divider, extruding action applies compression stress to current divider 1100, and current divider 1100 is flexing responsively and inwardly.This compressive force can contribute to preventing solid from gathering in current divider 1100 inside, and solid gathers in current divider 1100 inside and can destroy by exporting 1104,1106 to the substantially impartial shunting of slurry distributor.In some embodiments, pressurizing unit 1150 is designed to operationally be furnished with the Programmable Logic Controller of actuator by use and automatically pulse.Can regulate by pressurizing unit 1150 apply compression stress duration and/or pulsation between interval.In addition, can adjustable plate 1152,1154 haul distance of relative to each other advancing along compression direction.
In embodiments, the method being prepared cementitious product according to the slurry distributor of disclosure principles of construction can be utilized.Moisture cementitious slurry stream is discharged from blender.Moisture cementitious slurry stream passes through the feeding entrance of slurry distributor with average feed rate along the first feed stream axis.Moisture cementitious slurry stream is passed in the globular part of slurry distributor.Globular part has extended area, described extended area have than relative to the flow direction from feeding entrance at the large cross-sectional flow area of the cross-sectional flow area of the adjacent area of extended area upstream.Globular part is constructed to reduce moisture cementitious slurry stream and moves average speed by globular part from feeding entrance.Shaping pipe road has convex inner surface, and described convex inner surface becomes with the first feed stream axis in the face of relation moves in the plane substantially vertical with the first feed stream axis to make moisture cementitious slurry stream on radial flow.Moisture cementitious slurry stream is passed to along in the changeover portion of the second feed stream Axis Extension, and the second feed stream axis and the first feed stream axis are non-parallel relation.
Moisture cementitious slurry stream is passed in distribution conduit, and distribution conduit comprises the distribution outlets, described transversal line and the longitudinal axis perpendicular that extend preset distance along transversal line.
In embodiments, move towards distribution outlets, by the stream of slurry in adjacent with convex inner surface and adjacent with at least one lateral sidewalls region, there is vorticla motion (S from zero to about 10 m), and in other embodiments from about 0.5 to about 5.In embodiments, move towards distribution outlets, by the stream of slurry in adjacent with convex inner surface and adjacent with at least one lateral sidewalls region, there is swirl angle (S from 0 ° to about 84 ° m).
In embodiments, moisture cementitious slurry flows through current stabilization district, and this current stabilization district is suitable for reducing to enter feeding entrance and the average feed rate moving to the moisture cementitious slurry stream of distribution outlets.Moisture cementitious slurry stream is to discharge from distribution outlets than the average velocity of discharge of average feed rate little at least percent 20.
In another embodiment, the method preparing cementitious product comprises: from blender, discharge moisture cementitious slurry stream.Moisture cementitious slurry flows through the inlet portion of the distribution conduit of slurry distributor.Moisture cementitious slurry stream is discharged to along the cover net sheet material of machine direction movement from the distribution outlets of slurry distributor.Wiper blade reciprocally moves, with from wherein removing moisture cementitious slurry between the first position and the second position along the bottom surface of distribution conduit on removing path.Remove path layout adjacent with distribution outlets.
In embodiments, distribution conduit roughly longitudinally extends between inlet portion and distribution outlets.Wiper blade longitudinally moves back and forth along removing path.
In embodiments, wiper blade moves to the second place along removing direction from primary importance in wiping stroke, and wiper blade moves to primary importance along contrary, Return-ing direction from the second place in backstroke.Wiper blade reciprocally moves, to make the time of movement in wiping stroke substantially identical with the time of movement in backstroke.
In embodiments, wiper blade moves to the second place along removing direction from high-low pressure position in wiping stroke, and wiper blade moves to primary importance along contrary, Return-ing direction from the second place in backstroke.Wiper blade reciprocally moves between the first position and the second position in the circulation with the cycle of sweeping.The cycle of sweeping comprises: wiping part, the time of its protection movement in wiping stroke; Returning part, the time of its protection movement in backstroke; And accumulated delay part, its protection wiper blade remains on the predetermined amount of time of primary importance.In embodiments, wiping part and returning part are substantially equal.In embodiments, accumulated delay part is adjustable.
In further embodiment, the method preparing cementitious product comprises: from blender, discharge moisture cementitious slurry stream.Moisture cementitious slurry stream is passed through the inlet portion of the distribution conduit of slurry distributor.Moisture cementitious slurry stream is discharged to along the cover net sheet material of machine direction movement from the exit opening of the distribution outlets of slurry distributor.Distribution outlets extends preset distance along transversal line, transversal line and longitudinal axis perpendicular.Exit opening has the width along transversal line and the height along vertical axis, and this vertical axis is mutually vertical with transversal line with longitudinal axis.The part of the adjacent distributions outlet of distribution conduit is compressiblly engaged to change shape and/or the size of exit opening.In embodiments, distribution conduit is compressiblly engaged by builder, discharges with the spread angle increased relative to machine direction to make moisture cementitious slurry stream from exit opening.
In embodiments, compressiblly engage distribution conduit by builder, builder has the molded component becoming contact relation with distribution conduit.Molded component can move in certain stroke, to make molded component on a series of position, on this series of position, and molded component and the cumulative compressive engagement of distribution conduit.In embodiments, method comprises: make molded component move to regulate size and/or the shape of exit opening along vertical axis.In embodiments, method comprises: molded component is moved, and to make molded component rotate along at least one axis translation and/or around at least one axis, thus regulates size and/or the shape of exit opening.
There is provided herein the embodiment of slurry distributor, cementitious slurry mixed distribution assembly and using method thereof, it can provide the technology characteristics of many enhancings of the cementitious product helping manufacture such as plaster wall slab in business is arranged.Slurry distributor according to disclosure principles of construction can be conducive to aqueous calcined gypsum slurry distribution on the cover net sheet material of movement towards forming station through the blender being positioned at the green end place manufacturing circuit at removable cover mesh sheet material.
Aqueous calcined gypsum stream of slurry from blender can be split into two bursts of independent aqueous calcined gypsum stream of slurry by the gypsum slurry mixed distribution assembly according to disclosure principles of construction, and the aqueous calcined gypsum stream of slurry independent in two strands, the downstream of the slurry distributor according to disclosure principles of construction can combine the dispersion pattern providing expectation again.The design of two inlet configuration and distribution outlets can allow the wider distribution of more viscous slurry along cross machine direction on the cover net sheet material of movement.Slurry distributor can be adapted so that two bursts of independent aqueous calcined gypsum stream of slurry enter slurry distributor along the feeding Way in comprising cross machine durection component, in slurry distributor, be modified direction substantially move along machine direction to make two bursts of stream of slurry, and contribute to reducing the mode changed along transversal line or cross machine direction mass flow in time again combine distributor with the crisscross uniformity of the aqueous calcined gypsum stream of slurry improving the combination of discharging from the distribution outlets of slurry distributor.The stream of slurry guiding the first and second aqueous calcined gypsum stream of slurry can contribute to again combining along the first and second feed direction comprising cross machine durection component is discharged from slurry distributor with the momentum reduced and/or energy.
The internal flow cavity of slurry distributor can be constructed to make in two bursts of stream of slurry per share all with streamlined drift dynamic by slurry distributor.The internal flow cavity of slurry distributor can be constructed to make in two bursts of stream of slurry per share all with minimum or substantially air-liquid slurry be separated mobile by slurry distributor.It is per share all when substantially without mobile by slurry distributor when eddy current stream that the internal flow cavity of slurry distributor can be constructed to make in two bursts of stream of slurry.
Gypsum slurry mixed distribution assembly according to disclosure principles of construction can comprise the flow geometry of the distribution outlets upstream being positioned at slurry distributor to reduce slurry speed in one or more steps.Such as, current divider can be arranged between blender and slurry distributor to reduce the slurry speed entering slurry distributor.As another embodiment, flow geometry in gypsum slurry mixed distribution assembly can comprise and is positioned at slurry distributor upstream and slows down to make slurry at the extended area of slurry distributor, therefore can control when its distribution outlets from slurry distributor is discharged.
The velocity of discharge of slurry and momentum when the geometry of distribution outlets can also contribute to controlling on slurry to be discharged to movement cover net sheet material from slurry distributor.The flow geometry of slurry distributor can be applicable to making the slurry of discharging from distribution outlets keep contributing to improving stability and the uniformity with the basic bidimensional flow pattern compared with outlet wider on cross machine direction with relatively low height.
Under similar operating condition, the per unit width momentum of the slurry of discharging from the feed hopper of routine is compared, and relatively wide exhaust outlet creates the lower per unit width momentum of the slurry of discharging from distribution outlets.The per unit width momentum reduced can contribute to preventing the upstream being discharged to online position from slurry distributor at slurry to be applied to washing away of the skim coat of the dense layer cover net sheet material.
When use 6 inches is wide and the conventional feed hopper of 2 inchs exports, the average speed of outlet for high volume product can be about 761ft/min.Comprise at the slurry distributor according to disclosure principles of construction and there are 24 inches wide and in the embodiment of the distribution outlets of the opening of 0.75 inch, average speed can be about 550ft/min.For two devices, mass flow is identical, is 3,437lb/min.For two kinds of situations, the momentum (mass flow * average speed) of slurry for the feed hopper of routine and slurry distributor be respectively ~ 2,618,000 and 1,891,000lbft/min 2.By the feed hopper outlet divided by routine of the momentum that calculates accordingly and the width of slurry sparger outlets, the per unit width momentum of the slurry of discharging from the feed hopper of routine is 402,736 (lbft/min 2)/(crosses the inch of feed hopper width), and the per unit width momentum of the slurry of discharging from the slurry distributor according to disclosure principles of construction is 78,776 (lbft/min2)/(crossing the inch of slurry distributor width).In this case, the slurry of discharging from slurry distributor has the per unit width momentum of compared with conventional feed hopper about 20%.
According to disclosure principles of construction slurry distributor can the water of wide region-stucco than on use aqueous calcined gypsum slurry while realize the dispersion pattern expected, the water of wide region-stucco than the WSR comprising relatively low WSR or more conventional, be such as from about 0.4 to about 1.2(such as in some embodiments, lower than 0.75) water-bassanite ratio, and in other embodiments between about 0.4 and about 0.8.Embodiment according to the slurry distributor of disclosure principles of construction can comprise inner stream geometry, and described inside stream geometry is suitable for producing controlled shear effect when the first and second streams advance through slurry distributor from the first and second feeding entrances towards distribution outlets to the first and second aqueous calcined gypsum stream of slurry.Controlled shear optionally can reduce slurry viscosity owing to being subject to this shearing is applied in slurry distributor.Under the effect of the controlled shear in slurry distributor, have lower water-stucco than slurry considerably can distribute from slurry distributor along cross machine direction with dispersion pattern with the slurry with conventional WSR.
The internal flow geometry of slurry distributor can be suitable for adapting to further various water-stucco than slurry incremental with what be provided in the boundary wall region adjacent place of the interior geometry of slurry distributor.By comprising the flow geometry feature being suitable for the liquidity improved around the parietal layer of border at slurry distributor, reduce slurry and again circulate in slurry distributor and/or stop flowing and the trend be set in wherein.Therefore, result to reduce slurry the gathering in slurry distributor of solidifying.
Slurry distributor according to disclosure principles of construction can comprise formation system, the adjacent place that this formation system is installed to distribution outlets to change the cross machine velocity component of the combined slurry stream of discharging from distribution outlets, thus optionally controls towards forming station along manufacturing substrate spreading mass that circuit moves down along the spread angle in cross machine direction with scatter width.Formation system can help the slurry of discharging from distribution outlets to realize the dispersion pattern expected while not too responsive to slurry viscosity and WSR.The flowing dynamics characteristic that formation system can be used in changing the slurry of discharging from the distribution outlets of slurry distributor to guide stream of slurry to make slurry to have along cross machine direction evenly speed.Use formation system can also contribute to according to disclosure principles of construction gypsum slurry mixed distribution assembly in gypsum wall portion manufacturing equipment to produce dissimilar and wallboard that is volume.
Therefore, in embodiments, slurry distributor comprises distribution conduit, and it roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Distribution outlets extends predetermined distance along transversal line.Transversal line and longitudinal axis perpendicular.Described distribution outlets comprises exit opening, and described exit opening has the width along described transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis.Builder comprises the molded component becoming contact relation with described distribution conduit, described molded component can move in stroke, to make described molded component on a series of position, on described a series of position, the cumulative compressive engagement of part of the described distribution outlets of vicinity of described molded component and described distribution conduit, to change shape and/or the size of described exit opening.
In another embodiment, the described exit opening of described distribution outlets has the ratio of width to height of about 4 or larger.
In another embodiment, the described exit opening of described distribution outlets has the width along described transversal line.Described molded component has the width extending predetermined second distance along described transversal line.The described width of described exit opening is larger than the described width of described molded component.Described molded component is positioned such that a pair transverse part of described distribution outlets becomes bias relation with described molded component.
In another embodiment, the molded component of described slurry distributor can move along described vertical axis.
In another embodiment, the molded component of described slurry distributor has at least two frees degree.
In another embodiment, the molded component of described slurry distributor can to rotate around at least one pivot axis along at least one axis translation.
In another embodiment, the molded component of described slurry distributor can to rotate around the pivot axis substantially parallel with described longitudinal axis along described vertical axis translation.Described molded component can rotate on arc length degree around described pivot axis, to make described molded component on a series of position, on described a series of position, described molded component engages with the part variable compressive of crossing described transversal line of described distribution conduit, and the height of described exit opening is changed along described transversal line.
In another embodiment, the builder of described slurry distributor comprises supporting component, and described supporting component has fixed support part and pivoting support member.Described pivoting support member can rotate relative to described fixed support part on described arc length degree around described pivot axis.Described pivoting support member supports described molded component.
In another embodiment, the molded component of described slurry distributor can rotate on arc length degree around pivot axis, to make described molded component on a series of position, on described a series of position, described molded component engages with the described part variable compressive of crossing described transversal line of described distribution conduit, changes along described transversal line to make the height of described exit opening.
In another embodiment, the builder of described slurry distributor comprises supporting component, and described molded component comprises roughly longitudinally and the engaged section laterally extended and the translational adjustment bar generally perpendicularly extended from described engaged section, the described translational adjustment bar of described molded component is fixed on described supporting component movably, moves on a series of upright position to enable described molded component.
In another embodiment, described supporting component comprises clamp system, and described clamp system is suitable for optionally engaging described translational adjustment bar described molded component to be fastened to the selected upright position in described a series of upright position
In another embodiment, described supporting component is suitable for rotatably supporting described molded component, rotates around pivot axis to enable described molded component along arc length degree on a series of position.
In another embodiment, described supporting component comprises fixed support part and pivoting support member, described pivoting support member can rotate relative to described fixed support part on described arc length degree around described pivot axis, and described pivoting support member supports described molded component.
In another embodiment, described supporting component is included in the rotation adjusting lever extended between described fixed support part and described pivoting support member, described rotation adjusting lever is fixed to described fixed support part movably, to move make described pivoting support member around described pivot axis relative to described fixed support part pivotable to make described rotation adjustable pipe relative to described fixed part.
In another embodiment, described supporting component comprises clamp system, and described clamp system is suitable for optionally engaging described rotation adjusting lever to be fixed to along described arc length degree by described molded component on the selected position in described a series of position.
In another embodiment, cementitious slurry mixed distribution assembly, comprising: blender, and it is suitable for stirring to form moisture cementitious slurry to water and cementitious matter; With slurry distributor, it is communicated with described blender fluid.Described slurry distributor comprises: distribution conduit, and it roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid.Described distribution outlets extends preset distance along transversal line.Described transversal line is substantially vertical with described longitudinal axis.Described distribution outlets comprises exit opening, and described exit opening has the width along described transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis.Slurry distributor also comprises builder, it comprises the molded component becoming contact relation with described distribution conduit, described molded component can move in stroke, to make described molded component on a series of position, on described a series of position, the cumulative compressive engagement of part of the described distribution outlets of vicinity of described molded component and described distribution conduit, to change shape and/or the size of described exit opening.
In another embodiment, cementitious slurry mixed distribution assembly also comprises distributor support component, and it supports described distribution conduit.The described builder of described slurry distributor comprises supporting component, described supporting component has fixed support part and pivoting support member, described fixed support part is connected with described distributor support component, described pivoting support member can rotate relative to described fixed support part on arc length degree around pivot axis, and described pivoting support member supports described molded component.
In another embodiment, cementitious slurry mixed distribution assembly also comprises: delivery conduit, and it to be arranged between described blender and described slurry distributor and to be communicated with described slurry distributor fluid with described blender; Stream adjustment element, it is associated with described delivery conduit and is suitable for controlling described moisture cementitious slurry from the flowing described blender; Resistance aqueous foam supplying duct, it is communicated with at least one fluid in described delivery conduit with described blender.
In another embodiment, cementitious slurry mixed distribution assembly also comprises slurry distributor, described slurry distributor comprises feed conduit, described feed conduit comprises the first approach section and the second approach section, described first approach section has the first feeding entrance, described second approach section has the second feeding entrance, described second feeding entrance and described first is fed to entrance positioned in spaced relation and arranges, the described inlet portion of described distribution conduit and first and second of described feed conduit is fed to inlet fluid and is communicated with, described first feeding entrance is suitable for receiving the first moisture cementitious slurry from described blender, described second feeding entrance is suitable for receiving the moisture cementitious slurry from the second of described blender, and described distribution outlets and described first and second is fed to entrance fluid to be communicated with and to be adapted so that the moisture cementitious slurry of the first-class and second combined is discharged by described distribution outlets from described slurry distributor.
In another embodiment, cementitious slurry mixed distribution assembly also comprises: delivery conduit, it to be arranged between described blender and described slurry distributor and to be communicated with described slurry distributor fluid with described blender, and described delivery conduit comprises main conveying route and the first and second conveying branches; Current divider, it engages described main conveying route and described first and second conveying branches, and described current divider is arranged between described main conveying route and described first conveying branch and between described main conveying route and described second conveying branch; Wherein said first conveying branch is fed to inlet fluid with described first of described slurry distributor and is communicated with, and described second carries branch to be fed to inlet fluid with described second of described slurry distributor to be communicated with.
In another embodiment, prepare the method for cementitious product, comprising: (a) discharges moisture cementitious slurry stream from blender; B described moisture cementitious slurry stream is passed through the inlet portion of the distribution conduit of slurry distributor by (); C () is when cover net sheet material moves along machine direction, described moisture cementitious slurry stream is discharged from the exit opening of the distribution outlets of described slurry distributor, described distribution outlets extends preset distance along transversal line, described transversal line is substantially vertical with described longitudinal axis, described exit opening has the width along described transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis; And (d) compressiblly engages the part of the described distribution outlets of vicinity of described distribution conduit to change shape and/or the size of described exit opening.
In another embodiment, the method preparing cementitious product comprises: described distribution conduit is compressiblly engaged by builder, makes to discharge described moisture cementitious slurry stream with the spread angle increased relative to described machine direction from described exit opening.
In another embodiment, the method preparing cementitious product comprises: described distribution conduit is compressiblly engaged by builder, described builder has the molded component becoming contact relation with described distribution conduit, described molded component can move in stroke, make described molded component on a series of position, on described a series of position, described molded component and the cumulative compressive engagement of described distribution conduit.
In another embodiment, the method preparing cementitious product also comprises: make described molded component move to regulate size and/or the shape of described exit opening along described vertical axis.
In another embodiment, the method preparing cementitious product also comprises: mobile described molded component, rotates with the size and/or the shape that regulate exit opening along at least one axis translation and/or around at least one axis to make described molded component.
embodiment
With reference to Figure 65, in embodiment 1-3, have evaluated geometry mechanism and the flow behavior of the embodiment of the slurry distributor according to disclosure principles of construction.Figure 65 shows the plan view from above of the half portion 1205 of slurry distributor.The half portion 1205 of slurry distributor comprises the half portion 1207 of feed conduit 320 and the half portion 1209 of distribution conduit 328.The half portion 1207 of feed conduit 322 comprises the second feeding entrance 325, second approach section 337 of restriction second opening 335 and the half portion 1211 of bifurcation connector section 339.The half portion 1209 of distribution conduit 328 comprises the half portion 1214 of the inlet portion 352 of distribution conduit 328 and the half portion 1217 of distribution outlets 330.
Should be appreciated that another half portion of the slurry distributor of the mirror image of the half portion 1205 as Figure 65 can engage integratedly with the half portion 1205 of Figure 65 at lateral center mid point 387 place of distribution outlets 330 and aim to form the slurry distributor with slurry distributor 420 basic simlarity of Figure 15.Therefore, geometry described below and flow behavior are applied to the mirror-image halves of slurry distributor comparably.
With reference to Figure 72, in embodiment 4-6, have evaluated geometry and the flow behavior of another embodiment of the slurry distributor 2020 according to disclosure principles of construction.Slurry distributor 2020 shown in Figure 72 is substantially identical with the slurry distributor 1420 of Figure 34.The flow behavior of the slurry distributor 2020 of Figure 72 of the use builder according to disclosure principles of construction is have evaluated in embodiment 7.In embodiment 7, the builder of assessment is substantially identical with the builder 1432 of Figure 22.
embodiment 1
In this embodiment and with reference to Figure 65, at the primary importance L of the second feeding entrance 325 1with the 16 position L of the half portion 1207 of distribution outlets 330 16between 16 diverse location L 1-16the particular geometric configuration of the half portion 1205 of place's assessment slurry distributor.Each position L 1-16represent the cut-plane slices of the half portion 1205 as the slurry distributor represented by corresponding line.Along the flow circuits 1212 at the geometry center of each cut-plane slices for determining adjacent position L 1-16between distance.11 position L 11corresponding to the half portion 1214 of the inlet portion 352 of distribution conduit 328, it corresponds to the opening 342 of the second feeding outlet 345 of the half portion 1207 of feed conduit 320.Therefore, first to the tenth position L 1-10be obtain in the half portion 1207 of feed conduit 320, and the 11 to the 16 position obtains in the half portion 1209 of distribution conduit 328.
For each position L 1-16, determine geometry value below: at the second feeding entrance 325 and ad-hoc location L 1-16between along the distance of flow circuits 1212; Opening is at position L 1-16the sectional area at place; Position L 1-16girth; And position L 1-16hydraulic diameter.Hydraulic diameter utilizes formulae discovery below:
D hyd=4 × A/P (equation 1)
Wherein D hydfor hydraulic diameter,
A is ad-hoc location L 1-16area, and
P is ad-hoc location L 1-16girth.
Utilize entry condition, each position L can be determined 1-16dimensionless quantity to describe internal flow geometry, as shown in table 1.Curve equation is for describing the zero dimension geometry of the half portion 1205 of the slurry distributor in Figure 66, and Figure 66 shows the zero dimension distance of distance entrance to zero dimension area and hydraulic diameter.
For each position L 1-16the analysis of dimensionless quantity show, cross-sectional flow area is from first position L of the second feeding entrance 325 1half portion 1214(to inlet portion 352 is also the opening 342 of the second feeding outlet 345) the 11 the position L at place 11increase.In an exemplary embodiment, the cross-sectional flow area at half portion 1214 place of inlet portion 352 is similar to 1/3 greatly than the cross-sectional flow area at the second feeding entrance 325 place.At first position L 1with the 11 position L 11between, the cross-sectional flow area of the second approach section 337 and the second setting pipeline 339 is from Location-to-Location L 1-11change.In this region, at least two adjacent position L 6, L 7be constructed to the position L making position farther apart from the second feeding entrance 325 7have than the adjacent position L closer to the second feeding entrance 325 6less cross-sectional flow area.
At first position L 1with the 11 position L 11between, in the half portion 1207 of feed conduit 322, there is extended area (such as, L 4-6), it has than adjacent area (such as, the L of edge from the second entrance 335 towards the direction of the half portion 1217 of distribution outlets 330 in extended area upstream 3) the large cross-sectional flow area of cross-sectional flow area.The sectional area that second approach section 337 and the second setting pipeline 341 have streamwise 1212 change is mobile by the second stream of slurry wherein to contribute to distribution.
Sectional area is from the 11 position L of the half portion 1214 of the inlet portion 352 of distribution conduit 328 11to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In an exemplary embodiment, the cross-sectional flow area of the half portion 1214 of inlet portion 352 is about 95% of the cross-sectional flow area of the half portion 1217 of distribution outlets 330.
At first position L at the second feeding entrance 325 place 1the cross-sectional flow area at place is than the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16the cross-sectional flow area at place is little.In an exemplary embodiment, the cross-sectional flow area at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 is similar to 1/4 greatly than the cross-sectional flow area at the second feeding entrance 325 place.
Hydraulic diameter is from first position L of the second feeding entrance 325 1to the 11 the position L at half portion 1214 place of the inlet portion 352 of distribution conduit 328 11reduce.In an exemplary embodiment, at the hydraulic diameter at half portion 1214 place of the inlet portion 352 of distribution conduit 328 be the second feeding entrance 325 place hydraulic diameter approximate 1/2.
Hydraulic diameter is from the 11 position L of the half portion 1214 of the inlet portion 352 of distribution conduit 328 11to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In an exemplary embodiment, the hydraulic diameter of the half portion 1217 of the distribution outlets 330 of distribution conduit 328 is approximate 95% of the hydraulic diameter of the half portion 1214 of the inlet portion 352 of distribution conduit 328.
At first position L at the second entrance 325 place 1the hydraulic diameter at place is than the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16the hydraulic diameter at place is large.In an exemplary embodiment, the hydraulic diameter at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 is less than the approximate half of the hydraulic diameter of the second feeding entrance 325.
embodiment 2
In this embodiment, the half portion 1205 of the slurry distributor of Figure 65 is for carrying out modeling under different flox condition by gypsum slurry stream wherein.For all flox condition, the density (ρ) of aqueous gypsum slurry is set to 1,000kg/m 3.Aqueous gypsum slurry is shear shinning material, to make can reduce along with shearing is applied to its viscosity above it.Utilize the power-law fluid model with following equation to calculate viscosity (μ) Pa.s of gypsum slurry:
μ = K γ · n - 1 (equation 2)
Wherein,
K is constant,
for shear rate, and
In this case N be equal 0.133 constant.
Under the first flox condition, gypsum slurry have in power law model be 50 viscosity coefficient K and enter the second feeding entrance 325 with 2.5m/s.Use the computational fluid dynamics technology of finite volume method for determining the flow behavior in distributor.At each position L 1-16place, determines following flow behavior: Area-weighted average speed (U), Area-weighted average shear rate utilize the viscosity that power law model (equation 2) calculates, shear stress, and Reynolds number (Re).
Following equation is utilized to calculate shear stress:
(equation 3)
Wherein
The viscosity that μ calculates for utilizing power law model (equation 2), and
for shear rate.
Utilize following equation to calculate Reynolds number:
Re==ρ × U × D hyd/ μ (equation 4)
Wherein
ρ is the density of gypsum slurry,
U is the average speed of Area-weighted,
D hydfor hydraulic diameter, and
The viscosity that μ calculates for utilizing power law model (equation 2).
Under the second flowing condition, the feed rate that gypsum slurry enters the second feeding entrance 325 is increased to 3.55m/s.Other conditions all are identical with the first fluid condition of this embodiment.For the second fluid condition that the entrance velocity first fluid condition that is 2.5m/s and entrance velocity are 3.55m/s, to each position L 1-16the dimensionless quantity of the mentioned flow behavior at place carries out modeling.Utilize entry condition, determine each position L 1-16the dimensionless quantity of flow behavior, as shown in Table II.
K is set equal to two fluid conditions of 50, average speed is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, average speed reduces about 1/5, as shown in figure 67.
For two fluid conditions, shear rate is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16increase.In the embodiment shown in the drawing, shear rate is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16be similar to and double, as shown in Figure 68.
For two fluid conditions, the viscosity of calculating is fed to first position L of entrance 325 from second 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, the viscosity of calculating is fed to first position L of entrance 325 from second 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce approximate half, as shown in Figure 69.
For the flox condition of two in Figure 70, shear stress is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16increase.In the embodiment shown in the drawing, shear stress is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16add approximate 10%.
For two fluid conditions, the Reynolds number in Figure 71 is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, Reynolds number is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce approximate 1/3.For two fluid conditions, at the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16the Reynolds number at place is in laminar region.
embodiment 3
In this embodiment, the half portion 1205 of the slurry distributor of Figure 65 is for carrying out modeling by gypsum slurry stream wherein under the value of the COEFFICIENT K in power law model (equation 2) is set to fluid condition similar to embodiment 2 except 100.Flox condition is similar to the flox condition in embodiment 2 in other side.
And, gypsum slurry is entered to the feed rate of 2.50m/s and 3.55m/s of the second feeding entrance 325, assessment of flow characteristic.At each position L 1-16place, determines following flow behavior: the average speed (U) of Area-weighted, the average shear rate of Area-weighted utilize the viscosity that power law model (equation 2) calculates, shear stress (equation 3), and Reynolds number (Re) (equation 4).Utilize entry condition, determine each position L 1-16the dimensionless quantity of flow behavior, as shown in Table III.
K is set equal to two flox conditions of 100, average speed is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, average speed reduces about 1/5.On zero dimension basis, the result of average speed is substantially identical with those in Figure 67 with embodiment 2.
For two kinds of flox conditions, shear rate is from first position L of the second feeding entrance 324 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16increase.In the embodiment shown in the drawing, shear rate is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16be similar to and double.On zero dimension basis, the result of shear rate is substantially identical with those in Figure 68 with embodiment 2.
For two flox conditions, calculate first the position L of viscosity from the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, first the position L of viscosity from the second feeding entrance 325 is calculated 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce approximate half.On zero dimension basis, the result calculating viscosity is substantially identical with those in Figure 69 with embodiment 2.
For two flox conditions, shear stress is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16increase.In the embodiment shown in the drawing, shear stress is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16add about 10%.On zero dimension basis, the result of shear stress is substantially identical with those in Figure 70 with embodiment 2.
For two flox conditions, Reynolds number is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce.In the embodiment shown in the drawing, Reynolds number is from first position L of the second feeding entrance 325 1to the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reduce about 1/3.For two flox conditions, at the 16 the position L at half portion 1217 place of the distribution outlets 330 of distribution conduit 328 16reynolds number in laminar region.On zero dimension basis, the result of Reynolds number is substantially identical with those in Figure 71 with embodiment 2.
Figure 67-71 is the curve map of the flow behavior calculated for the different flox conditions of embodiment 2 and 3.Curve equation is for being described in the change of flow behavior in feeding entrance to the distance of the half portion of distribution outlets.Therefore, embodiment 2 and 3 indicates flow behavior relative to the change of entrance velocity and/or viscosity is consistent.
embodiment 4
In this embodiment, the slurry distributor 2020 of Figure 72 is for carrying out modeling to the gypsum slurry stream at a place in the globular part 2120 of feed conduit 2022.With reference to Figure 72, the first and second approach sections 2036,2037 of slurry distributor 2020 have diameter D separately.Slurry distributor 2020 has length longitudinally, and it is about 12 × D.Slurry distributor 2020 is symmetrical about the central longitudinal axis 50 roughly extended along machine direction 2192.Slurry distributor 2020 can be divided into two half-unit 2004,2005, and two half-unit is substantially about central longitudinal axisymmetrical.
With reference to the half portion 2004 of the slurry distributor of Figure 73, Figure 72 for carrying out modeling by gypsum slurry stream wherein under flox condition similar to embodiment 2 except using different zero dimension viscosity formula.Inlet diameter D (x*=x/D) is chosen as length dimension with by position vector x (x*=x/D) non-dimension, and average inlet velocity (U) as speed yardstick with by velocity vector u (u*=u/U) non-dimension.Flox condition is similar to embodiment 2 of other side.
With reference to Figure 73-76, use computational fluid dynamics (CFD) technology of finite volume method for determining the flow behavior in the half portion of distributor.Especially, calculate from the average speed on position different vertical in the A of region.Region center from approach section in the A of region being extended to about 0.75D is analyzed.Peripherad 12 the different average slurry speed in globular part footpath are calculated to 12 radially spaced terrace cut slice analyses.12 positions are radially spaced to make separately about 30 °, each adjacent radial position substantially.With reference to Figure 75 and Figure 76, radial position 1 corresponds to the direction with machine direction 2192 one-tenth inverse relationship, and radial position 7 corresponds to machine direction 2192.Radial position 4 and 10 and transversal line 60 substantial registration.
The entrance velocity condition that CFD technology is different from two kinds uses together, u1=U and u2=1.5U.The result that CFD analyzes sees in Table IV.Velocity magnitude is expressed as zero dimension absolute value (| u|*=|u|/U).Also data are drawn in Figure 77.Should be understood that, other half portion 2005 of slurry distributor 2020 will present similar flow behavior.
For two flox conditions, be less than entrance velocity at the average speed at each radial position 1-12 place, but be greater than zero.Scope is from 0.48 to 0.83 of only about half of about 7/8(u* ~ entrance velocity to entrance velocity of entrance velocity).Profile convex dimpled surface in globular part contributes to the stream radially outward rebooted along all directions from approach section.
Slurry speed also slows down relative to entrance velocity.For set flox condition, the average speed basic simlarity of whole 12 radial positions (entrance velocity ~ 0.65 or 65%).
And, under each flox condition, there is the highest average speed at radial position 3-5 and 9-11 place.Contribute to providing more marginal flow to lateral sidewalls along transversal line or along the higher average speed in cross machine direction 60.
Therefore, this example show, globular part 2120 contributes to slowing down slurry and the direction of slurry is changed over radially outward horizontal plane from direction downward vertically.In addition, globular part 2120 contributes to the horizontal outboard sidewalls of the setting pipeline of the half portion 2004 stream of slurry being redirect to slurry distributor 2020, to promote that the slurry along cross machine direction 60 moves.
embodiment 5
In this embodiment, the slurry distributor 2020 of Figure 72 is for carrying out modeling to the gypsum slurry stream at a place in the setting pipeline 2041 of feed conduit 2022.The half portion 2004 of the slurry distributor 2020 of reference Figure 78, Figure 72 is for carrying out modeling under flox condition similar to embodiment 2 except expressing except the use non-dimensional velocity similar to embodiment 4 by gypsum slurry stream wherein.Especially, the vorticla motion of the slurry at the horizontal inside and outside wall place at setting pipeline is analyzed.
With reference to Figure 73, Figure 74 and Figure 78, use computational fluid dynamics (CFD) technology of finite volume method for determining the flow behavior in the half portion 2004 of distributor 2020.Especially, the vorticla motion of the slurry near the horizontal outboard sidewalls of setting pipeline 2041 is analyzed.With reference to Figure 73, when slurry enters setting pipeline 2041, slurry moves in vortex mode.Along with slurry moves along machine direction 2192 to distribution outlets 2030, stream of slurry line style becomes more orderly.As shown in Figure 74 and Figure 78, in the region, lengthwise position place of the about 1-3/4D (1.72D) in B1 and B2 of region of setting pipeline 2041, the vorticla motion of slurry is analyzed.
The vorticla motion of slurry is the function of its tangential velocity and axial (or machine direction) speed thereof.With reference to Figure 78, the vortex degree for bumpy flow utilizes following formula to be characterized by angular flux and linear momentum by vortex number (S) usually:
(equation 5)
And r represents radial position.
If use the mean value of tangential velocity and axial velocity in equation 5, then it becomes:
(equation 6)
For this embodiment, following formula is utilized to carry out expression characteristic vorticla motion (S m):
(equation 7)
In this embodiment, the vorticla motion calculated is for utilizing following formula to calculate swirl angle:
Swirl angle ~ tan -1(S m) (equation 8)
The zero dimension entrance velocity condition that CFD technology is different from two kinds uses together, u 1=U and u 2=1.5U.The result that CFD analyzes sees in Table V.Should be understood that, another half portion of slurry distributor will present similar flow behavior.By this analysis, have been found that in embodiments, slurry distributor can be constructed to produce the vorticla motion S in the scope from about zero to about 10 mand the swirl angle in from about zero degree to the scope of about 84 °.
For two flox conditions, be at least approximate half of the entrance velocity in the fringe region of the inlet portion of setting pipeline in the maximum tangential velocity of edge.The vorticla motion be desirably near lateral sidewalls contributes to the spatter property of the interior geometry keeping slurry distributor while using.As shown in Figure 73, the vorticla motion of slurry weakens along machine axis 50 on the direction of flowing to distribution outlets 2030.
embodiment 6
In this embodiment, the slurry distributor 2020 of Figure 72 is for carrying out modeling to the gypsum slurry stream by feed conduit 2022 and distribution conduit 2028.The half portion 2004 of the slurry distributor 2020 of reference Figure 73 and Figure 74, Figure 72 is for carrying out modeling under flox condition similar to embodiment 2 except expressing except the use non-dimensional velocity similar to embodiment 4 by gypsum slurry stream wherein.
For all flox condition, the density (ρ) of aqueous gypsum slurry is set to 1,000kg/m 3, and viscosity factor K is set to 50.And, for the zero dimension feed rate of the gypsum slurry entered in the feeding entrance 2024 of B and 1.5B, assess properties of flow.Be expressed as inlet diameter D function determine following flow behavior along machine direction 2192 in each continuous zero dimension position in inlet portion downstream of setting pipeline 2041: Area-weighted average speed (U), Area-weighted average shear rate utilize the viscosity that power law model (equation 2) calculates, and Reynolds number (Re) (equation 4).Longitudinally 50 the continuous zero dimension position mentioned also calculate hydraulic diameter (equation 1).Utilize entrance flox condition, as shown in Table VI, determine the dimensionless quantity of the flow behavior of each position.
Figure 79-82 is the curve map of the flow behavior calculated for the different flox conditions of embodiment 6.Curve equation is for being described in the change of flow behavior in the distance the half portion 2004 from feeding entrance to distribution outlets 2030.Therefore, embodiment indicates flow behavior relative to the change of entrance velocity is consistent.
For two flox conditions, the rearmost position (about 12D) of average speed from the position of first in feed conduit (about 3D) to the half portion 2117 of the distribution outlets 2030 of distribution conduit 2028 reduces.Average speed substantially moves along machine direction 2192 along with slurry and little by little reduces.In the embodiment shown in the drawing, average speed reduces about 1/3, as shown in Figure 79 from entrance velocity.
For two flox conditions, the rearmost position (about 12D) of shear rate from the position of first in feed conduit (about 3D) to the half portion 2117 of the distribution outlets 2030 of distribution conduit 2028 increases.Shear rate is change from a position to another position.In the embodiment shown in the drawing, shear rate increases relative to porch, as shown in Figure 80 at half portion 2117 place of the distribution outlets 2030 of distribution conduit 2028.
For two flox conditions, calculate the rearmost position (about 12D) of viscosity from the position of first in feed conduit (about 3D) to the half portion 2117 of the distribution outlets 2030 of distribution conduit 2028 and reduce.Calculating viscosity is change from a position to another position.In the embodiment shown in the drawing, calculate viscosity to reduce relative to porch, as shown in Figure 81 at half portion 2117 place of the distribution outlets 2030 of distribution conduit 2028.
For two flox conditions, in Figure 82, the rearmost position (about 12D) of Reynolds number from the position of first in feed conduit (about 3D) to the half portion 2117 of the distribution outlets 2030 of distribution conduit 2028 reduces.In the embodiment shown in the drawing, Reynolds number reduces about 1/2 at half portion 2117 place of the distribution outlets 2030 of distribution conduit 2028 relative to porch.For two flox conditions, the Reynolds number at half portion 2117 place of the distribution outlets 2030 of distribution conduit 2028 is in laminar region.
Therefore, have been found that the distal half (at about 6D with approximately between 12D) of slurry distributor is constructed to provide current stabilization district, in this current stabilization district, the average speed of slurry and Reynolds number are roughly stablized and are reduced relative to feeding entry condition.As shown in Figure 73.Slurry passes through this current stabilization district along machine direction 2192 with roughly streamlined motion of defect modes.
embodiment 7
In this embodiment, the slurry distributor 2020 of Figure 72 carries out modeling for the gypsum slurry stream at distribution outlets 2030 place to distribution conduit 2028.In this embodiment, the half portion 2004 of the slurry distributor of Figure 73 is for carrying out modeling under flox condition similar to embodiment 2 except the zero dimension expression of the width except use exit opening 2081 by gypsum slurry stream wherein.Cross the zero dimension width (w/W) (center line, at lateral center mid point 2187 place, equals zero as shown in Figure 72) of the half portion 2119 of the exit opening 2081 of distribution outlets 2030.In other side, similar to embodiment 2 of flox condition.
Use the CFD technology of finite volume method for determining the flow performance in the half portion 2004 of distributor 2020.Especially, the spread angle of the slurry that the position of width of half portion 2119 at the exit opening 2081 crossing distribution outlets 2030 is discharged from exit opening 2081 is analyzed.Utilize following formula to determine spread angle:
Spread angle=tan -1(V x/ V z), (equation 9)
Wherein V xfor the average speed along cross machine direction, and
V zfor the average speed along machine direction.
The condition different for the following two kinds calculates spread angle: one is not compressed exit opening 2081(" without profiling " for builder), and one " has profiling " for builder compresses exit opening 2018().In modeled slurry distributor 2020, for each half portion 2004,2005, exit opening 2018 has the height of about 3/4 inch crossing its overall width of approximate ten inches, for the overall width of exit opening 2081, has the height of totally two ten inches.Modeled builder has molded component, and this molded component is about 15 inches wide and with lateral center midpoint alignment to make the lateral part of distribution outlets become bias relation with molded component and not compressed.Under modeled " having profiling " condition, about 1/8 inch of builder compression exit opening is about 5/8 inch to make the region middle outlet opening below molded component.Determine the spread angle for two kinds of conditions, as shown in Table VII.
Under two conditions, along with position is from lateral center mid point 2187(width=0) outwards mobile further, spread angle increases.Maximum in the transverse edge place spread angle of exit opening 2081.
Utilize builder to increase spread angle with compressed exhaust outlet 2030, thus reduce the height of exit opening 2081.Under modeled " having profiling " condition, increase more than 25 percent relative to " without profiling " condition at the extreme spread angle at transverse edge (width=0.466) place.Under " having profiling " condition, mean dispersion angle increases more than 50 percent relative to " without profiling " condition.
The all references file quoted herein, comprises publication, patent application and patent and is incorporated herein by reference, and its degree just looks like each reference document by separately and show particularly to merge by reference and its full content is set forth the same in this article.
Under description background of the present utility model, (under the background of claims especially below) term " ", " one " should be interpreted as containing odd number and plural number with " described " and the similar use referring to word, unless otherwise shown herein or the obvious contradiction of background.Term " comprises ", " having ", " comprising " and " including " should be interpreted as open-ended terms (that is, representing " including but not limited to "), shows unless otherwise.The detailed description of median value range is only intended to the stenography method as referring to separately each independent value dropped within the scope of this herein, and unless otherwise indicated herein, and each independent value is merged in description, just looks like that it describes in detail separately the same in this article.All methods described herein can perform by any suitable order, unless otherwise indicated herein or with the obvious contradiction of background.Any and all embodiments or exemplary language (such as, " such as ") use provided in this article is only intended to illustrate the utility model better and does not apply restriction, unless made requirement to scope of the present utility model.Language in description should not be construed as and represents the vital any non-claimed element of enforcement of the present utility model.
There is described herein preferred embodiment of the present utility model, comprise the enforcement best mode of the present utility model known to utility model people.When reading description above, it is apparent that the modified example of those preferred embodiments can become for the ordinary person of this area.Utility model people expects that technical staff adopts such modified example rightly, and utility model people expects that the utility model is implemented in the mode except as specifically described herein.Therefore, the utility model comprise as application law in the claims of enclosing of being permitted all improvement projects of theme of describing in detail and equivalent.And the utility model is encompassed in any combination of the said elements in its all possible modified example, unless otherwise shown herein or the obvious contradiction of background.

Claims (20)

1. slurry distributor, is characterized in that, this slurry distributor comprises:
Distribution conduit, it roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid, described distribution outlets extends preset distance along transversal line, described transversal line is substantially vertical with described longitudinal axis, described distribution outlets comprises exit opening, described exit opening has the width along described transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis;
Builder, it comprises the molded component becoming contact relation with described distribution conduit, described molded component can move in stroke, to make described molded component on a series of position, on described a series of position, the cumulative compressive engagement of part of the described distribution outlets of vicinity of described molded component and described distribution conduit, to change shape and/or the size of described exit opening.
2. slurry distributor as claimed in claim 1, it is characterized in that, the described exit opening of described distribution outlets has the ratio of width to height of 4 or larger.
3. slurry distributor as claimed in claim 1, it is characterized in that, the described exit opening of described distribution outlets has the width along described transversal line, described molded component has the width extending predetermined second distance along described transversal line, the described width of described exit opening is larger than the described width of described molded component, and described molded component is positioned such that a pair transverse part of described distribution outlets becomes bias relation with described molded component.
4. slurry distributor as claimed in claim 1, it is characterized in that, described molded component can move along described vertical axis.
5. slurry distributor as claimed in claim 1, it is characterized in that, described molded component has at least two frees degree.
6. slurry distributor as claimed in claim 1, is characterized in that, described molded component can rotate around at least one pivot axis along at least one axis translation.
7. slurry distributor as claimed in claim 5, it is characterized in that, described molded component can to rotate around the pivot axis substantially parallel with described longitudinal axis along described vertical axis translation, described molded component can rotate on arc length degree around described pivot axis, to make described molded component on a series of position, on described a series of position, described molded component engages with the part variable compressive of crossing described transversal line of described distribution conduit, and the height of described exit opening is changed along described transversal line.
8. slurry distributor as claimed in claim 7, it is characterized in that, described builder comprises supporting component, described supporting component has fixed support part and pivoting support member, described pivoting support member can rotate relative to described fixed support part on described arc length degree around described pivot axis, and described pivoting support member supports described molded component.
9. slurry distributor as claimed in claim 1, it is characterized in that, described molded component can rotate on arc length degree around pivot axis, to make described molded component on a series of position, on described a series of position, described molded component engages with the described part variable compressive of crossing described transversal line of described distribution conduit, changes along described transversal line to make the height of described exit opening.
10. slurry distributor as claimed in claim 1, wherein said builder comprises supporting component, and described molded component comprises roughly longitudinally and the engaged section laterally extended and the translational adjustment bar generally perpendicularly extended from described engaged section, the described translational adjustment bar of described molded component is fixed on described supporting component movably, moves on a series of upright position to enable described molded component.
11. slurry distributors as claimed in claim 10, it is characterized in that, described supporting component comprises clamp system, and described clamp system is suitable for optionally engaging described translational adjustment bar described molded component to be fastened to the selected upright position in described a series of upright position.
12. slurry distributors as claimed in claim 10, it is characterized in that, described supporting component is suitable for rotatably supporting described molded component, rotates around pivot axis to enable described molded component along arc length degree on a series of position.
13. slurry distributors as claimed in claim 12, it is characterized in that, described supporting component comprises fixed support part and pivoting support member, described pivoting support member can rotate relative to described fixed support part on described arc length degree around described pivot axis, and described pivoting support member supports described molded component.
14. slurry distributors as claimed in claim 13, it is characterized in that, described supporting component is included in the rotation adjusting lever extended between described fixed support part and described pivoting support member, described rotation adjusting lever is fixed to described fixed support part movably, to move make described pivoting support member around described pivot axis relative to described fixed support part pivotable to make described rotation adjusting lever relative to described fixed part.
15. slurry distributors as claimed in claim 14, it is characterized in that, described supporting component comprises clamp system, and described clamp system is suitable for optionally engaging described rotation adjusting lever to be fixed to along described arc length degree by described molded component on the selected position in described a series of position.
16. cementitious slurry mixed distribution assemblies, is characterized in that, this cementitious slurry mixed distribution assembly comprises:
Blender, it is suitable for stirring to form moisture cementitious slurry to water and cementitious matter;
Slurry distributor, it is communicated with described blender fluid, and described slurry distributor comprises:
Distribution conduit, it roughly longitudinally extends and the distribution outlets comprising inlet portion and be communicated with described inlet portion fluid, described distribution outlets extends preset distance along transversal line, described transversal line is substantially vertical with described longitudinal axis, described distribution outlets comprises exit opening, described exit opening has the width along described transversal line and the height along vertical axis, and described vertical axis is mutually vertical with described transversal line with described longitudinal axis, and
Builder, it comprises the molded component becoming contact relation with described distribution conduit, described molded component can move in stroke, to make described molded component on a series of position, on described a series of position, the cumulative compressive engagement of part of the described distribution outlets of vicinity of described molded component and described distribution conduit, to change shape and/or the size of described exit opening.
17. cementitious slurry mixed distribution assemblies as claimed in claim 16, is characterized in that, this cementitious slurry mixed distribution assembly also comprises:
Distributor support component, it supports described distribution conduit;
The described builder of wherein said slurry distributor comprises supporting component, described supporting component has fixed support part and pivoting support member, described fixed support part is connected with described distributor support component, described pivoting support member can rotate relative to described fixed support part on arc length degree around pivot axis, and described pivoting support member supports described molded component.
18. cementitious slurry mixed distribution assemblies as claimed in claim 16, is characterized in that, this cementitious slurry mixed distribution assembly also comprises:
Delivery conduit, it to be arranged between described blender and described slurry distributor and to be communicated with described slurry distributor fluid with described blender;
Stream adjustment element, it is associated with described delivery conduit and is suitable for controlling described moisture cementitious slurry from the flowing described blender;
Resistance aqueous foam supplying duct, it is communicated with at least one fluid in described delivery conduit with described blender.
19. cementitious slurry mixed distribution assemblies as claimed in claim 16, it is characterized in that, described slurry distributor comprises feed conduit, described feed conduit comprises the first approach section and the second approach section, described first approach section has the first feeding entrance, described second approach section has the second feeding entrance, described second feeding entrance and described first is fed to entrance positioned in spaced relation and arranges, the described inlet portion of described distribution conduit and first and second of described feed conduit is fed to inlet fluid and is communicated with, described first feeding entrance is suitable for receiving the first moisture cementitious slurry from described blender, described second feeding entrance is suitable for receiving the moisture cementitious slurry from the second of described blender, and described distribution outlets and described first and second is fed to entrance fluid to be communicated with and to be adapted so that the moisture cementitious slurry of the first-class and second combined is discharged by described distribution outlets from described slurry distributor.
20. cementitious slurry mixed distribution assemblies as claimed in claim 16, is characterized in that, this cementitious slurry mixed distribution assembly also comprises:
Delivery conduit, it to be arranged between described blender and described slurry distributor and to be communicated with described slurry distributor fluid with described blender, and described delivery conduit comprises main conveying route and the first and second conveying branches;
Current divider, it engages described main conveying route and described first and second conveying branches, and described current divider is arranged between described main conveying route and described first conveying branch and between described main conveying route and described second conveying branch;
Wherein said first conveying branch is fed to inlet fluid with described first of described slurry distributor and is communicated with, and described second carries branch to be fed to inlet fluid with described second of described slurry distributor to be communicated with.
CN201320661182.8U 2012-10-24 2013-10-24 There is slurry distributor, the system of builder Expired - Fee Related CN204076480U (en)

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US13/844550 2013-03-15
US13/844,550 US9999989B2 (en) 2010-12-30 2013-03-15 Slurry distributor with a profiling mechanism, system, and method for using same

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US10059033B2 (en) 2014-02-18 2018-08-28 United States Gypsum Company Cementitious slurry mixing and dispensing system with pulser assembly and method for using same
US10076853B2 (en) 2010-12-30 2018-09-18 United States Gypsum Company Slurry distributor, system, and method for using same
US10239230B2 (en) 2010-12-30 2019-03-26 United States Gypsum Company Slurry distributor, system and method for using same
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AU2013334952B2 (en) 2017-06-08
AU2013334952A1 (en) 2015-05-21
NZ707757A (en) 2017-12-22
ZA201503244B (en) 2016-09-28
PE20151111A1 (en) 2015-08-30
CL2015001025A1 (en) 2015-09-04
WO2014066211A1 (en) 2014-05-01
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RU2677720C2 (en) 2019-01-21
CN103770213B (en) 2018-05-22
JP6343617B2 (en) 2018-06-13
UA118093C2 (en) 2018-11-26
MX2015005052A (en) 2015-07-17
TWI622475B (en) 2018-05-01
CA2888273A1 (en) 2014-05-01
RU2015119351A (en) 2016-12-20
CN103770213A (en) 2014-05-07
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BR112015009117A2 (en) 2017-07-04
EP2911846A1 (en) 2015-09-02

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