CN111941640B - Water reducing agent's muddy liquid device and gypsum slurry conveyor - Google Patents
Water reducing agent's muddy liquid device and gypsum slurry conveyor Download PDFInfo
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- CN111941640B CN111941640B CN202010750854.7A CN202010750854A CN111941640B CN 111941640 B CN111941640 B CN 111941640B CN 202010750854 A CN202010750854 A CN 202010750854A CN 111941640 B CN111941640 B CN 111941640B
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- 229910052602 gypsum Inorganic materials 0.000 title claims abstract description 104
- 239000010440 gypsum Substances 0.000 title claims abstract description 104
- 239000002002 slurry Substances 0.000 title claims abstract description 73
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000007788 liquid Substances 0.000 title claims abstract description 49
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 25
- 238000003756 stirring Methods 0.000 claims abstract description 81
- 238000002156 mixing Methods 0.000 claims abstract description 42
- 238000005187 foaming Methods 0.000 claims abstract description 37
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 2
- 239000007924 injection Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 21
- 238000001704 evaporation Methods 0.000 description 6
- 230000008020 evaporation Effects 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000002245 particle Substances 0.000 description 6
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920000570 polyether Polymers 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- ZOMBKNNSYQHRCA-UHFFFAOYSA-J calcium sulfate hemihydrate Chemical compound O.[Ca+2].[Ca+2].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O ZOMBKNNSYQHRCA-UHFFFAOYSA-J 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000701 coagulant Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/0875—Mixing in separate stages involving different containers for each stage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
- B28C5/10—Mixing in containers not actuated to effect the mixing
- B28C5/12—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers
- B28C5/16—Mixing in containers not actuated to effect the mixing with stirrers sweeping through the materials, e.g. with incorporated feeding or discharging means or with oscillating stirrers the stirrers having motion about a vertical or steeply inclined axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/38—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions wherein the mixing is effected both by the action of a fluid and by directly-acting driven mechanical means, e.g. stirring means ; Producing cellular concrete
- B28C5/381—Producing cellular concrete
- B28C5/386—Plants; Systems; Methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/06—Supplying the solid ingredients, e.g. by means of endless conveyors or jigging conveyors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C7/00—Controlling the operation of apparatus for producing mixtures of clay or cement with other substances; Supplying or proportioning the ingredients for mixing clay or cement with other substances; Discharging the mixture
- B28C7/04—Supplying or proportioning the ingredients
- B28C7/12—Supplying or proportioning liquid ingredients
- B28C7/126—Supply means, e.g. nozzles
Abstract
The invention discloses a gypsum slurry conveying device, which comprises a cylinder, a layered pipe body and a foaming pipe network, wherein a stirring device for extruding and dredging gypsum slurry into the layered pipe body where the foaming pipe network is located is arranged in the layered pipe body; the liquid mixing device of the water reducing agent comprises a main pipe body and liquid discharging seats, wherein a partition plate is arranged between the two liquid discharging seats, and the main pipe body is connected with a liquid inlet pipe. According to the invention, the gypsum slurry entering the cylinder body overflows layer by layer through the layered pipe body, the theoretically excessive mixing water is replaced by adding the water reducing agent in the center, and the excessive mixing water is independently discharged through the output pipeline, so that the influence of the water reducing agent on the initial and final setting extension which is too much and is not beneficial to high-speed production is effectively eliminated while the performance of the water reducing agent is exerted.
Description
Technical Field
The invention relates to the technical field of gypsum board production, in particular to a liquid mixing device of a water reducing agent and a gypsum slurry conveying device.
Background
In the production process of the gypsum board, the theoretical water consumption of the hemihydrate gypsum is 0.186, but in the actual production process of the gypsum board, in order to improve the fluidity of slurry, mixing water which is more than the theoretical water consumption is often added, and redundant mixing water is evaporated in the drying process of the gypsum board, so that more open air holes exist in the gypsum board. The open pores caused by the evaporation of water vapor in the gypsum board cause poor lapping compactness of gypsum crystals, reduced strength and toughness of the gypsum board and poor water resistance of the board. The water reducing agent is a surfactant, has a dispersing effect on gypsum particles, can improve the workability and fluidity of the gypsum slurry, and reduces the hydration of the gypsum and the consumption of water under the condition of ensuring the fluidity of the gypsum slurry. The addition of the water reducing agent can reduce the mixing water amount used in the manufacturing of the gypsum board, thereby reducing the holes left by water evaporation in the gypsum board, improving the density of the board and increasing the strength of the board.
Disclosure of Invention
The invention aims to provide a water reducing agent adding device and a gypsum slurry conveying device, and aims to solve the technical problems that in the prior art, mixing water with the amount larger than the theoretical amount is often added in the production process of a paper-faced gypsum board, redundant mixing water is evaporated in the later drying process, so that a plurality of open air holes exist in the gypsum board, the lap joint compactness of gypsum crystals is poor due to the open air holes caused by the evaporation of water vapor in the gypsum board, the strength and toughness of the gypsum board are reduced, and the water resistance of the board is poor.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a gypsum slurry conveying device comprises a cylinder body and a layered pipe body arranged in the cylinder body and used for forming radial overflow of gypsum slurry, a foaming pipe network for foaming towards the radial overflow direction is arranged in one of the layers of the layering pipe body, a stirring device for extruding and dredging gypsum slurry into the layering pipe body where the foaming pipe network is arranged in one of the layers of the layering pipe body which is positioned in the inner ring of the foaming pipe network, a liquid mixing device for injecting a water reducing agent into the innermost cavity of the layered pipe body is arranged on the axis of the layered pipe body, a horizontal stirring device for outputting gypsum slurry flowing out of the layered pipe body after differential stirring is arranged in the cylinder body positioned at the bottom of the liquid mixing device, the cylinder body is provided with an output pipeline for independently discharging the layered pipe body outside the foaming pipe network and gypsum slurry flowing out of the flat stirring device.
As a preferable scheme of the present invention, the layered pipe body includes an outer ring pipe, a middle layer pipe and an inner ring pipe coaxially sleeved in the cylinder body from outside to inside, the inner ring pipe is composed of a plurality of pipe bodies concentrically arranged at equal intervals, the liquid mixing device is installed in the pipe body at the innermost ring of the plurality of pipe bodies, the stirring device is installed between two adjacent pipe bodies at the outermost ring of the inner ring pipe, an overflow cavity for the gypsum slurry to flow radially is provided on the surface of the inner ring pipe, a rotating shaft is provided in the overflow cavity, an overflow seam penetrating to between two adjacent pipe bodies is provided on the overflow cavity right opposite to the rotating shaft, the liquid mixing device injects a water reducing agent in a tangential direction of the overflow cavity, and the inner ring pipe for installing the liquid mixing device is in a circular truncated cone shape.
As a preferable scheme of the present invention, the foaming pipe network is installed between the middle pipe and the inner ring pipe, the surface of the middle pipe is provided with an overflow hole penetrating through the surface of the middle pipe, an injection head installed on the foaming pipe network faces the overflow hole, the top of the cylinder body is provided with a full filling cavity, an input port of the foaming pipe network extends to a connection position of the full filling cavity and the cylinder body, and the foaming pipe network further comprises a pump body for providing a driving source for liquid flow in the foaming pipe network.
As a preferable scheme of the present invention, the horizontal stirring device includes an inner stirring paddle for stirring the gypsum slurry flowing out of the inner ring pipe, an outer stirring paddle for stirring the gypsum slurry flowing out of the middle-layer pipe and the outer ring pipe, a driving motor, and a partition plate for partitioning a stirring space of the inner stirring paddle and the outer stirring paddle, the outer stirring paddle is connected to an output shaft of the driving motor through a reduction gear, and a guide cover for mounting the driving motor is connected to the bottom of the inner ring pipe through a connecting member.
As a preferable scheme of the present invention, the output pipeline includes an outer output pipeline hermetically connected to a stirring space formed by the outer stirring paddle, and an inner output pipeline hermetically connected to a stirring space formed by the inner stirring paddle; interior stirring rake extends to interior output pipeline's bottom, the bottom of interior stirring rake is provided with the water conservancy diversion stirring rake, the water conservancy diversion stirring rake is connected by two tops and is formed the plate body of angle.
As a preferable scheme of the invention, a feed inlet for gypsum slurry is arranged on the side wall of the cylinder body, the feed inlet is connected at the joint of the full filling cavity and the cylinder body, and the feed inlet is opposite to the input port of the foaming pipe network.
As a preferable scheme of the present invention, the stirring device includes a plurality of support rods installed between two adjacent pipe bodies of the outermost ring of the inner ring pipe, the plurality of support rods are provided with continuous spiral teeth, and the plurality of support rods are fixedly installed on the outer stirring paddle.
The invention provides a liquid mixing device of a gypsum slurry conveying device, which comprises a main pipe body, wherein an arc-shaped liquid discharging seat is arranged on the main pipe body, the offset distance of two ends of the liquid discharging seat on the circumference is just equal to the width of an overflow cavity, a partition plate attached to the inner wall of the innermost inner ring pipe is arranged between every two adjacent liquid discharging seats, the width of the partition plate is 3/4 of the overflow cavity, and a liquid inlet pipe extending out of a cylinder body is rotatably connected to the main pipe body.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the gypsum slurry entering the barrel body overflows layer by layer through the layered pipe body, the mode of adding the water reducing agent to the center of the gypsum slurry through the liquid mixing device is adopted to replace the excessive mixing water theoretically, further, the water reducing agent is discharged independently through the output pipeline after being fully stirred by the stirring device and the flat stirring device, the feed is fed on the lower roll paper in the gypsum board production, the water vapor on the surface layer of the formed gypsum board in the drying process can be further removed through the output differentiation of the output pipeline, the mixing water staying in the mixing device is reduced, the polyether high-efficiency water reducing agent is applied to the gypsum board production, the water-paste ratio is reduced, and the polyether high-efficiency water reducing agent is reasonably matched with the coagulant, so that the high-efficiency water reducing performance of the polycarboxylic acid water reducing agent is exerted, and the influence of the polycarboxylate water reducing agent on the condition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
FIG. 1 is a schematic diagram of a half-sectional structure of a gypsum slurry delivery device according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a cross section of an inner ring tube according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a main pipe of a liquid mixing device according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a cylinder body; 2-a layered pipe body; 3-foaming pipe network; 4-a stirring device; 5-a liquid mixing device; 6-an output pipeline; 7-an overflow chamber; 8-a rotating shaft; 9-overflow seam; 10-a horizontal stirring device; 11-full lumen; 12-a feed inlet; 201-outer ring tube; 202-middle layer tube; 203-inner ring tube; 1001-inner stirring paddle; 1002-external stirring paddle; 1003-driving motor; 1004-dividing the plate; 1005-flow guiding cover; 1006-diversion stirring paddle; -a support bar; -a helical tooth; 501-a primary pipe body; 502-a drainage seat; 503-a partition; 504-liquid inlet pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, fig. 2 and fig. 3, in the production process of the gypsum plasterboard, mixing water with a larger theoretical dosage is usually added, and the excessive mixing water is evaporated in the later drying process to cause more open air holes to exist in the gypsum plasterboard, the open air holes caused by the evaporation of water vapor in the gypsum plasterboard cause poor lapping compactness of gypsum crystals, reduced strength and toughness of the gypsum plasterboard and poor water resistance of the board, therefore, the invention provides a gypsum slurry conveying device, which comprises a cylinder body 1 and a layered pipe body 2 arranged in the cylinder body 1 and used for forming radial overflow of the gypsum slurry, wherein a foaming pipe network 3 used for foaming in the radial overflow direction is arranged in a certain layer of the layered pipe body 2, a stirring device 4 used for extruding and dredging the gypsum slurry into the layered pipe body 2 where the foaming pipe network 3 is located is arranged in a certain layer of the layered pipe body 2 located at the outer ring of the foaming pipe, the axle center of the layered pipe body 2 is provided with a liquid mixing device 5 for injecting a water reducing agent into the innermost cavity of the layered pipe body 2, a flat stirring device 10 for outputting gypsum slurry flowing out of the layered pipe body after differential stirring is arranged in a barrel body 1 positioned at the bottom of the liquid mixing device 5, and an output pipeline 6 for independently discharging the layered pipe body 2 outside the foaming pipe network 3 and the gypsum slurry flowing out of the flat stirring device 10 is arranged on the barrel body.
When the gypsum slurry mixing device works, gypsum slurry entering the barrel body 1 overflows layer by layer through the layering pipe body 2, and after the gypsum powder is mixed by insufficient or theoretical amount of mixing water, combined large particles are easily formed under insufficient stirring, the surfaces of the large particles are combined by the melted mixing water and the gypsum powder, the interior of the large particles is in a pure dry powder state, the large particles of the gypsum slurry in the state are easily intercepted when the gypsum slurry passes through a small overflow seam, and the layering pipe body 2 can contain the gypsum slurry with excessive mixing water for layering;
meanwhile, the foaming effect of the foaming pipe network 3 is utilized to collapse the structure of the gypsum slurry passing through the layered pipe body 2, so that the gypsum slurry which overflows through the layered pipe body 2 is dynamically isolated while the gypsum slurry of the part expands, and the phenomenon of reverse overflow is generated when the flow speed inside the layered pipe body 2 is accelerated.
When the gypsum slurry that will get into barrel 1 overflows layer by layer through layering body 2, through the mode that liquid mixing device 5 adds the water-reducing agent to the gypsum slurry center, replace theoretical excessive mix water, furtherly, carry out the independent discharge through output pipeline 6 after the intensive mixing by agitating unit and peaceful device, the feed is on the lower stock form in the gypsum board production, the output differentiation through output pipeline 6 can further detach the vapor that is located shaping gypsum board top layer in the stoving process, the reduction stops in its inside mix water.
The layered pipe body 2 comprises an outer ring pipe 201, a middle layer pipe 202 and an inner ring pipe 203 which are coaxially sleeved in the pipe body from outside to inside, the inner ring pipe 203 is composed of a plurality of pipe bodies which are concentrically arranged at equal intervals, the liquid mixing device is arranged in the innermost pipe body of the plurality of pipe bodies, and the stirring device 4 is arranged between two adjacent pipe bodies of the outermost ring of the inner ring pipe 203.
The gypsum slurry is getting into, the inner circle pipe 203 during the overflow chamber 7 that supplies the radial mobile of gypsum slurry's that sets up on the surface, be provided with axis of rotation 8 in the overflow chamber 7, overflow chamber 7 just relative with axis of rotation 8 is last to be provided with and to run through to the overflow seam 9 between two adjacent bodys, mix liquid device 5 and pour into the water-reducing agent along the tangential of overflow chamber 7 into, at this moment, under axis of rotation 8's restriction, it is the gyration chamber of U-shaped to have formed one in the overflow chamber 7, the gypsum slurry gets into from one side, the opposite side flows out, the part of gypsum slurry is gone out by the overflow when the overflow seam 9 simultaneously.
Further, the inner ring pipe 203 for mounting the liquid mixing device is in a circular truncated cone shape.
In order to form foam in the gypsum slurry without introducing air or other gas or liquid substances, the invention installs the foaming pipe network 3 between the middle layer pipe 202 and the inner ring pipe 203, the surface of the middle layer pipe 202 is provided with overflow holes penetrating the surface of the middle layer pipe 202, the spraying head installed on the foaming pipe network 3 is opposite to the overflow holes, meanwhile, the top of the cylinder body 1 is provided with a full filling cavity 11, the full filling cavity 11 is a cavity with a truncated cone-shaped longitudinal section and is fixedly connected with the top of the inner ring pipe 203, when the gypsum slurry injected into the cylinder body 1 enters the full filling cavity 11 in a natural state, the foam layer of the gypsum slurry is in the full filling cavity, in the invention, the foam and water layer mixed liquid in the full filling cavity 11 is injected into the overflowed gypsum slurry through the foaming pipe network 3, the part of the mixed water can be injected into the overflowed gypsum slurry as much as possible, the input port of foaming pipe network 3 extends to full filling chamber and barrel 1 junction, still includes the pump body that is used for providing the driving source for the interior liquid flow of foaming pipe network 3.
The horizontal stirring device 10 comprises an inner stirring paddle 1001 for stirring gypsum slurry flowing out of an inner ring pipe 203, an outer stirring paddle 1002 for stirring gypsum slurry flowing out of a middle-layer pipe 202 and an outer ring pipe 201, a driving motor 1003, and a partition plate 1004 for partitioning a stirring space of the inner stirring paddle 1001 and the outer stirring paddle 1002, wherein the outer stirring paddle 1002 is connected to an output shaft of the driving motor 1003 through a reduction gear, and a guide cover 1005 for mounting the driving motor 1003 is connected to the bottom of the inner ring pipe 203 through a connecting piece.
The output pipeline 6 comprises an outer output pipeline which is hermetically connected with a stirring space formed by the outer stirring paddle 1002, and an inner output pipeline which is hermetically connected with a stirring space formed by the inner stirring paddle 1001; interior stirring rake 1001 extends to interior output pipeline's bottom, the bottom of interior stirring rake 1001 is provided with water conservancy diversion stirring rake 1006, water conservancy diversion stirring rake 1006 is connected the plate body that forms the angle by two tops and forms, its specific effect is, on the lower scroll by interior output pipeline output in gypsum board production process, make the gypsum slurry that falls on the scroll down form the whirl, the gypsum slurry that contains more mix water is discharged with the form of tiling on the gypsum slurry surface that the outer output pipeline of rethread formed the surface whirl, because the existence of whirl effect, the gypsum slurry that contains more mix water that is located its surface can't get into inside, stay at its surface, in follow-up stoving evaporation design in-process, the mix water on surface can not influence the inner structure of gypsum board shaping by quick evaporation.
The side wall of the cylinder body 1 is provided with a feed inlet 12 for gypsum slurry, the feed inlet 12 is connected at the joint of the full cavity 11 and the cylinder body 1, and the feed inlet 12 is opposite to the input port of the foaming pipe network 3.
The stirring device 4 comprises a plurality of support rods arranged between two adjacent pipe bodies at the outermost ring of the inner ring pipe 203, continuous spiral teeth are arranged on the plurality of support rods, and the plurality of support rods are fixedly arranged on the outer stirring paddle 1002.
The invention provides a liquid mixing device for the gypsum slurry conveying device, wherein the liquid mixing device 5 comprises a main pipe body 501, an arc-shaped liquid discharging seat 502 is arranged on the main pipe body 501, the offset distance of the two ends of the liquid discharging seat 502 on the circumference is just equal to the width of an overflow cavity 7, a partition 503 attached to the inner wall of an innermost inner ring pipe 203 is arranged between two adjacent liquid discharging seats 502, the width of the partition 503 is 3/4 of the overflow cavity 7, a liquid inlet pipe 504 extending out of a barrel body 1 is rotatably connected on the main pipe body 501, when the partition 503 is driven by external force to rotate to the overflow cavity 7, at the moment, gypsum slurry in the overflow cavity 7 has a content reduction, increase and circulation process, the internal pressure of the overflow cavity 7 is increased or reduced, so that the accumulation of large particles in the overflow cavity 7 in a single direction can be avoided, causing blockage of the overflow slit of the overflow chamber 7.
The inner ring pipe 203 is divided into a plurality of independent spaces through the partition plates 503, so that the air drop of the gypsum slurry and the water reducing agent is reduced, and the reaction of the water reducing agent and the gypsum slurry is accelerated.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (8)
1. A gypsum slurry conveying apparatus, characterized by: comprises a cylinder body (1) and a layered pipe body (2) arranged inside the cylinder body (1) and used for forming radial overflow of gypsum slurry, a foaming pipe network (3) used for foaming towards the radial overflow direction is arranged inside a certain layer of the layered pipe body (2), a stirring device (4) used for extruding and dredging gypsum slurry into the layered pipe body (2) where the foaming pipe network (3) is arranged inside a certain layer of the layered pipe body (2) positioned at the inner ring of the foaming pipe network (3), a liquid mixing device (5) used for injecting a water reducing agent into the innermost layer cavity of the layered pipe body (2) is arranged on the axis of the layered pipe body (2), a horizontal stirring device (10) used for outputting the gypsum slurry flowing out of the layered pipe body after differential stirring is arranged in the cylinder body (1) at the bottom of the liquid mixing device (5), the cylinder body is provided with an output pipeline (6) which is used for independently discharging the layered pipe body (2) outside the foaming pipe network (3) and gypsum slurry flowing out of the flat stirring device (10).
2. The gypsum slurry delivery apparatus of claim 1, wherein: the layered pipe body (2) comprises an outer ring pipe (201), a middle layer pipe (202) and an inner ring pipe (203) which are coaxially sleeved in the cylinder body from outside to inside, the inner ring pipe (203) is composed of a plurality of pipe bodies which are concentrically arranged at equal intervals, the liquid mixing device is arranged in the pipe body at the innermost ring of the plurality of pipe bodies, the stirring device (4) is arranged between two adjacent pipe bodies of the outermost circle of the inner circle pipe (203), an overflow cavity (7) for the radial flow of the gypsum slurry is arranged on the surface of the inner ring pipe (203), a rotating shaft (8) is arranged in the overflow cavity (7), an overflow gap (9) which penetrates between two adjacent pipe bodies is arranged on the overflow cavity (7) which is right opposite to the rotating shaft (8), the liquid mixing device (5) injects a water reducing agent along the tangential direction of the overflow cavity (7), and the inner ring pipe (203) used for installing the liquid mixing device is in a circular truncated cone shape.
3. The gypsum slurry delivery apparatus of claim 2, wherein: the foaming pipe network (3) is installed middle-layer pipe (202) with between inner circle pipe (203), the surface of middle-layer pipe (202) is provided with the excessive bubble hole that runs through middle-layer pipe (202) surface, installs injection head on foaming pipe network (3) is right to excessive bubble hole, the top of barrel (1) is provided with full filling chamber (11), the input port of foaming pipe network (3) extends to full filling chamber with barrel (1) junction, still including be used for liquid flow provides the pump body of driving source in foaming pipe network (3).
4. The gypsum slurry delivery apparatus of claim 2, wherein: the horizontal stirring device (10) comprises an inner stirring paddle (1001) used for stirring gypsum slurry flowing out of the inner ring pipe (203), an outer stirring paddle (1002) used for stirring gypsum slurry flowing out of the middle-layer pipe (202) and the outer ring pipe (201), a driving motor (1003), and a partition plate (1004) used for partitioning a stirring space of the inner stirring paddle (1001) and the stirring space of the outer stirring paddle (1002), wherein the outer stirring paddle (1002) is connected to an output shaft of the driving motor (1003) through a reduction gear, and a flow guide cover (1005) used for installing the driving motor (1003) is connected to the bottom of the inner ring pipe (203) through a connecting piece.
5. The gypsum slurry delivery apparatus of claim 4, wherein: the output pipeline (6) comprises an outer output pipeline which is hermetically connected with a stirring space formed by the outer stirring paddle (1002), and an inner output pipeline which is hermetically connected with a stirring space formed by the inner stirring paddle (1001); interior stirring rake (1001) extend to in the bottom of output pipeline, the bottom of interior stirring rake (1001) is provided with water conservancy diversion stirring rake (1006), water conservancy diversion stirring rake (1006) are formed by two plate bodys that the top is connected and is formed the angle.
6. A gypsum slurry delivery apparatus according to claim 3, wherein: be provided with feed inlet (12) of gypsum slurry on barrel (1) lateral wall, just feed inlet (12) are connected full sufficient chamber (11) with barrel (1) junction, just feed inlet (12) with the input port of foaming pipe network (3) is just relative.
7. The gypsum slurry delivery apparatus of claim 4, wherein: agitating unit (4) is including installing a plurality of cradling pieces between two adjacent bodys of the outermost circle of inner circle pipe (203), it is a plurality of install continuous helical tooth on the cradling piece, and it is a plurality of cradling piece fixed mounting be in on outer stirring rake (1002).
8. A liquid mixing apparatus for use in the gypsum slurry delivery apparatus of any one of claims 2 to 7, wherein: the liquid mixing device (5) comprises a main pipe body (501), wherein an arc-shaped liquid discharging seat (502) is arranged on the main pipe body (501), the offset distance of the two ends of the liquid discharging seat (502) on the circumference is just equal to the width of the overflow cavity (7), a partition plate (503) which is attached to the inner wall of the inner ring pipe (203) at the innermost side is arranged between every two adjacent liquid discharging seats (502), the width of the partition plate (503) is 3/4 of the overflow cavity (7), and a liquid inlet pipe (504) extending out of the barrel body (1) is rotatably connected to the main pipe body (501).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112454659B (en) * | 2020-11-26 | 2022-05-13 | 平江县东升混凝土有限公司 | Admixture discharging device for concrete production |
| CN113232163B (en) * | 2021-06-03 | 2023-01-17 | 泰山石膏(长治)有限公司 | Device and method for mixing waterproofing agent for preparing gypsum |
| CN113580373B (en) * | 2021-07-13 | 2023-04-14 | 北新建材(苏州)有限公司 | Slurry width regulation and control system and method |
| CN114474398B (en) * | 2022-01-07 | 2023-09-22 | 北新建材(天津)有限公司 | Gypsum slurry conveying device |
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| CN111941640A (en) | 2020-11-17 |
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Address after: 314000 375 Haigang Avenue, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Mount Taishan Gypsum (Jiaxing) Co.,Ltd. Address before: 314000 375 Haigang Avenue, Xitangqiao street, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: BEIJING NEW BUILDING MATERIAL (JIAXING) CO.,LTD. |
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