CN1314824A - Arrangement for combining dissimilar streams - Google Patents

Arrangement for combining dissimilar streams Download PDF

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Publication number
CN1314824A
CN1314824A CN98814291A CN98814291A CN1314824A CN 1314824 A CN1314824 A CN 1314824A CN 98814291 A CN98814291 A CN 98814291A CN 98814291 A CN98814291 A CN 98814291A CN 1314824 A CN1314824 A CN 1314824A
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CN
China
Prior art keywords
mentioned
deflection plate
stream
thigh
air
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.)
Granted
Application number
CN98814291A
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Chinese (zh)
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CN1105595C (en
Inventor
L·R·帕伦特
R·F·格罗普
M·E·索罗蒙
R·E·基恩
P·K·科斯特罗
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Kimberly Clark Worldwide Inc
Kimberly Clark Corp
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Kimberly Clark Worldwide Inc
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Publication of CN1314824A publication Critical patent/CN1314824A/en
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Publication of CN1105595C publication Critical patent/CN1105595C/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26—DRYING
    • F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/20—Jet mixers, i.e. mixers using high-speed fluid streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/10—Mixing gases with gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
    • B01F25/3111—Devices specially adapted for generating foam, e.g. air foam
    • B01F25/31112—Devices specially adapted for generating foam, e.g. air foam with additional mixing means other than injector mixers, e.g. screen or baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3141—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit with additional mixing means other than injector mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/431—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor
    • B01F25/4315—Straight mixing tubes with baffles or obstructions that do not cause substantial pressure drop; Baffles therefor the baffles being deformed flat pieces of material

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Drying Of Solid Materials (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Toys (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)

Abstract

An arrangement and method for effectively mixing two (or more) streams (G1, G2) of dissimilar materials is dislcosed. The streams (G1, G2) may comprise two air streams of different temperatures or humidities, two streams of different gaseous materials, or even two streams of different liquids. The arrangement comprises a baffle structure located within the enclosure through which is passing a first stream (G1) of material. A second stream (G2) is then injected into the enclosure at a location downstream from the baffle. In practicing the method of the present invention, the passage of the first stream (G1) of material across the baffle results in creating a low pressure region between the baffle and the input port of the second stream (G2). The second stream (G2). Then secnod stream (G2) then has a natural tendency to enter this low pressure area, thus increasing the mixing efficiency with the first stream (G1) of material. The baffle may comprise a tapered geometry, and multiple sets of baffles and associated input ports may be used to combine multiple streams of materials.

Description

The device that mixes the various flows thigh
Background of invention
1. invention field
The present invention relates to a kind of apparatus and method that are used in conjunction with the various flows thigh, more specifically relate to a kind of baffle arrangement of in conduit or similar closure member, using, purpose is to improve two strands of (or multiply) different materials stream thighs (for example, two strands of air-flows that temperature is different) combination formation one efficient of stream thigh uniformly.
2. the description of prior art
In many industrial equipments, usually need in conjunction with some different gas (or liquid) materials.For example, may need to make the lower process gas mixed combustion of the high-temperature combustion gas that comes out by traditional (combustion gas or fuel oil) combustion furnace and temperature when running into air dryer (promptly as).Perhaps, may need to make from the waste gas (high temperature) of the outlet of gas turbine and mix with process gas from for example air dryer.The structure of these devices generally comprises first air stream by a conduit (or similar closure member) operation, with the second stream thigh of introducing this conduit by an input port.
In order to implement the combination of this various flows thigh, the device of prior art generally depends on " stirring " of injecting a downstream and the turbulent flow that adopts second air-flow.Generally speaking, this device needs lot of energy (therefore having reduced the flow velocity of the stream thigh of combination), and finally also longer with the distance that the stream thigh that forms uniform properties needs in conjunction with two stream thighs.In the device of another kind of prior art, insert deflecting blade in the downstream of injecting the stream thigh, thereby in pipeline, produce reverse eddy flow.
Therefore,, in prior art, need device is improved, require not only efficiency height of this device, and the length of used additional pipeline is the shortest for the ease of the combination of various flows thigh.
Brief summary of the invention
Existing need being met in the prior art by the present invention, the present invention relates to a kind of apparatus and method that are used in conjunction with the various flows thigh, more specifically relate to a kind of in conduit or similar used baffle arrangement in the closure member, to improve two strands of (or multiply) different materials streams strand (for example, two strands of air-flows that temperature is different) in conjunction with the efficient that forms an equal uniform flow thigh.
In a preferred embodiment of the invention, a taper deflection plate is arranged on the upstream end of the second air-flow input source in the conduit, and this second air-flow will combine with first air-flow that flows by this conduit.The structure of this conduit comprises parallel and isolated wall, forms the top and bottom of conduit.Insert at the end of inlet by conduit of second stream strand, and that the taper mode of this deflection plate is the wideest part of this deflection plate is nearest apart from this inlet, and along with the top of its close conduit, it narrows down on the width of conduit.First air-flow (for example, low temperature) is by this conduit operation, and second air-flow (for example, high temperature) is introduced by this inlet.First-class thigh is crossed flowing of deflection plate and is made and form a low-pressure area in the surface of close inlet along this deflection plate.Therefore second stream of being introduced by this inlet strand flow into by formed this low-pressure area of baffle arrangement of the present invention naturally, thus with efficient mixing of first-class thigh.
In another embodiment of the present invention, the structure of deflection plate can be to comprise a slit area of traversing the feather edge of this deflection plate near the end of conduit.This embodiment is specially adapted to make low-temperature airflow to combine the used device of part with high temperature gas flow.Specifically, this slit make low-temperature airflow can from deflection plate below by, and be inhaled into low-pressure area before this deflection plate, thereby provide extra cooling for this baffle arrangement.
Apparatus and method of the present invention can be used in conjunction with any two kinds of different materials, for example steam and air, low humidity air and high-temperature air, nitrogen and oxygen or or even two kinds of liquid (for example a kind of clean liquid and a kind of emulsion or suspension).Specifically, this ability in conjunction with two kinds of different materials streams strand (for example cryogenic gas and high-temperature gas) is very useful in paper industry and textile industry.For example, weave or knit goods, and during specific non-woven material, need carry out " air drying " to this material with uniform airflow (so-called in this technology " by the air drying ") in production.Teach according to the present invention, this uniform air flow is by utilizing the deflection plate that inserts between two strands of air-flows to make Cryogenic air and high temperature air in conjunction with forming.
In another embodiment more of the present invention, can utilize a kind of deflection plate of non-taper to provide combination for two or more material stream thighs.Specifically, non-taper deflection plate can be used at a high speed the first-class burst occasion that will combine with the second stream thigh of low speed.In prior art, if the low-speed flow thigh is injected the passage of high velocity stream thigh, the inlet of low-speed flow thigh may produce strain so, therefore makes low speed material stream mistake moving along the underflow of conduit, and mixing efficiency is reduced.Teach according to the present invention, the deflection plate of non-conical plate structure has played the effect of this inlet of shielding in high velocity stream thigh passage.Like this, the low speed material can make the mixing efficiency in downstream higher along the width expansion of conduit.
In the further again embodiment of the present invention, by utilizing a plurality of independent deflection plates, each deflection plate is arranged on the upstream of one of a plurality of inlets, can be with multiple not homogeneous turbulence thigh in conjunction with forming a kind of uniform stream thigh.These a plurality of inlets can be arranged on any desired position with respect to closure member.For example, this inlet can be positioned on the length direction of this closure member, perhaps, and also can be along the width location of this closure member.In addition, this deflection plate can be made of the physical member of material, perhaps also can comprise one or more holes.
Be discussed below neutralization and pass through referring to accompanying drawing, these and other some embodiment of the present invention will be more obvious.
Brief description of drawings
Referring now to accompanying drawing,, same reference numbers is represented identical parts in a plurality of accompanying drawings:
Fig. 1 has provided the perspective view of the exemplary embodiment of mixing arrangement of the present invention;
Fig. 2 is the sectional view that the device of Fig. 1 is intercepted along the 2-2 line;
Fig. 3 is another sectional view that the device of Fig. 1 is intercepted along the 3-3 line;
Fig. 4 has provided another embodiment of the present invention, and it comprises the deflection plate of a band slit;
Fig. 5 is the sectional view that the device of Fig. 4 is intercepted along the 5-5 line;
Fig. 6 is another sectional view that the device of Fig. 4 is intercepted along the 6-6 line;
Fig. 7 is the sectional view that the device of Fig. 5 is intercepted along the 7-7 line, is illustrated in slit area included in the example baffle arrangement especially;
Fig. 8 shows another embodiment that the present invention has adopted a plurality of deflection plates and relevant input port with perspective view;
Fig. 9 is the sectional view that the device of Fig. 8 is intercepted along the 9-9 line; With
Figure 10 be the expression adopted apparatus of the present invention to compare obtained result with prior art, particularly when cryogenic gas is combined with high-temperature gas at the curve map that improves effect aspect the temperature " mixing ".
DETAILED DESCRIPTION OF THE PREFERRED
Fig. 1 shows exemplary mixing arrangement 10 of the present invention.As shown in the figure, this device comprises that one is arranged on the taper deflection plate 12 in the conduit 14, and the broad edge 16 of deflection plate 12 is in abutting connection with the diapire 18 of conduit 14.Deflection plate 12 then forms taper to 1: 20 of the roof 22 of adjacency conduit 14.Comprise rectangular cross section although be appreciated that the conduit 14 shown in the present embodiment, the suitable closure member with any prespecified geometric all can adopt.In addition, the geometry of deflection plate 12 also can be as the case may be and is different.For the device of Fig. 1, shown in deflection plate 12 comprise the tapered cross-section.The structure of other taper or non-taper also can adopt, and also within the spirit and scope of the present invention.
The diapire 18 that conduit 14 is passed in input port 24 protrudes, and is positioned at the downstream (with respect to the flow direction of the stream thigh that passes through conduit 14) of deflection plate 12.The centre-to-centre spacing deflection plate 12 of input port 24 be a design problem apart from d (as shown in Figure 2), as the function of distance d, zone betwixt provides or high or low air pressure.
In embodiment as shown in the figure, the first air-flow G 1Length direction 1 operation along conduit 14.Air-flow G 1Can comprise oxygen, nitrogen, air-flow, air or other any gaseous flow thigh.The second air-flow G 2Flow and introduce conduits 14 by pipeline 26 by input port 24.Teach the first air-flow G according to the present invention 1The downstream that is flowing in deflection plate 12 28 of crossing taper deflection plate 12 forms a low pressure air cavity.As shown in Figure 1, the second air-flow G 2Passage enter this low-pressure area thus.Therefore the jet of injecting gas is along with the natural tendency of expansion causes the second air-flow G from injecting continuous increase of distance a little 2Entering flowing of the low-pressure cavity outside constantly increases, and is involved in the first air-flow G 1Flow among, thereby at the first air-flow G 1Face (width) go up evenly and distribute.Therefore the turbulent flow that is formed by the taper baffle arrangement helps to make this immixture in the diffusion of the front of flowing of first air-flow G.
Be appreciated that the present invention can also further strengthen by following any characteristic by the mixing of adopting the taper deflection plate and being realized: (1) changes the cross-sectional area of conduit 12, thus control air-flow G 1Speed (for example, reduce the cross section of conduit 14 and will improve air-flow G in deflection plate 12 and the zone of input port 24 1Speed); (2) aspect ratio that changes conduit 14 (thereby is controlled air-flow G 1The width and the breadth in the forward position of flowing); Or (3) change the second air-flow G 2Discharge the speed of input port 24.
Fig. 2 shows the side view of said apparatus among Fig. 1.As shown in the drawing, the basal surface 18 that conduit 24 is passed in input port 24 protrudes a predetermined altitude h.Shown in input port 24 be centered close to predetermined distance d place, back edge 30 downstream apart from deflection plate 12.Height h and all can control apart from d mixes for two stream thighs provide the most efficiently, and wherein these parameters will be the functions with two streams burst relevant various conditions (for example, temperature, composition, humidity, flow velocity etc.).As clearly visible in the figure, the specification of deflection plate 12 is defined as making summit 20 not contact with the top surface 22 of conduit 14.So air-flow G 1Mobile generation low-pressure cavity zone 32 around deflection plate 12.Therefore along with 24 discharges from the input port, air-flow G 2Propensity is pressed chamber 32 and is made air-flow G in entering 1And G 2Mixing efficiency improve.
As mentioned above, another parameter that influences the efficient of device of the present invention is the geometry of deflection plate.Fig. 3 has provided the top view of mixing arrangement shown in Figure 1 with the perspective view form.As shown in the figure, the formation of the sidewall 34 of deflection plate 12 comprises that radius is the arc of r, has been found that wherein this angular displacement can control the whole dimension of low-pressure cavity 32, and the actual pressure in the cavity region.
As mentioned above, specific environment utilizing the inventive method with weave and non woven fibre is made relevant " ventilation " drying process, wherein often need be with low-temperature airflow and high temperature gas flow combination.Fig. 4 has provided a specific embodiment of the present invention that is particularly suitable for this environment.This environment is suitable for handling the soft paper product of light weight, comprise those basic weights be lower than every square metre 5 the gram and greater than every square metre 200 the gram product.Specifically, mixing arrangement 50 comprises the deflection plate of being located in the conduit (or similarly closure member) 54 52, and wherein deflection plate 52 is positioned at apart from the input port 56 upstreams (with respect to the flow direction of the stream thigh by conduit a 54) predetermined distance d (being shown in Fig. 5).As shown in the figure, the low length direction operation of first Cryogenic air stream A along conduit 54, and impinge upon on the deflection plate 52, thereby form a low-pressure cavity 56 at the interior zone of deflection plate 52.Second high temperature air stream A height flows and enters conduit 54 by input port 56 along pipeline 58.For this specific low temperature of the present invention/high temperature embodiment, deflection plate 52 comprises that a basal surface 58 by making deflection plate 52 removes the following slit area (being shown in Fig. 5) that a predetermined slot distances g forms apart from the lower surface 60 of conduit 54.As shown in Figure 4, deflection plate 52 comprises a plurality of holes 53, and these holes are by passing therethrough relatively large Cryogenic air to play the effect of " cooling " deflection plate 52.The number and the size that are appreciated that the hole should be restricted, and make it not hinder the low-pressure area that is formed by baffle arrangement.Another characteristic of this specific embodiment is that input port 56 protrudes into height h in the conduit 54 greater than slot distances g (referring to Fig. 5).The special benefits relevant with this device is stream gang A HighInject to name a person for a particular job and remain on A LowThe top of flow channel.Therefore, stream gang A LowPassage will can not hinder a stream gang A High, the latter will enter low-pressure area without hindrance.
Fig. 6 has provided and has installed 50 top view.So shown in the specific embodiment, taper deflection plate 52 comprises a leg-of-mutton geometry and comprises the sidewall 62 and 64 that a pair of θ at a predetermined angle is provided with.Cryogenic air stream A LowBy deflection plate 52 operations, thereby between input port 56 and deflection plate 52, form a low-pressure area 66.Therefore, high temperature air stream A HighWith enter naturally this low-pressure cavity and with a stream gang A LowThe efficient mixing is to form output gas flow A Mix
Fig. 7 comprises the view that device shown in Figure 5 is cut along the 7-7 line.In this figure, the slit area 55 between the lower surface 60 of deflection plate and conduit 54 clearly.As shown in the figure, the less shank 57,59 that has only of deflection plate 52 contacts (for stable purpose) with surface 60, makes A LowThe stationary flow thigh can provide cooling by slit area 55 and for deflection plate 52.
As mentioned above, utilize according to deflector means of the present invention advantageous particularly under the situation of the passage that the low-speed flow thigh need be injected the high velocity stream thigh.Fig. 8 has provided the of the present invention a kind of like this device that is particularly suitable for this purpose.In addition, Fig. 8 has provided a kind of device that comprises a pair of deflection plate and relative input port, as previously discussed, because the combination of the different materials of any number can be prolonged and provide to technology of the present invention.In fact, although only provided two exemplary deflection plates and relevant input port among the figure, be appreciated that and adopt this deflection plate of any requisite number purpose and relevant input port, and be included within the spirit and scope of the invention.In addition, teach according to the present invention, a plurality of deflection plates/input port device can be with any required arranged in form in closure member.For example, they can be arranged along the length direction of this closure member, perhaps arrange along the width of this closure member, or any suitable combining form.Generally speaking, their positions (as long as deflection plate is located at the upstream of its relevant input port) and haveing nothing to do that the present invention teaches in closure member.
Specifically referring to Fig. 8, device 70 comprises one first deflection plate 72 and one second deflection plate 74, and each deflection plate all is set to extend along the width of closure member 76.First high speed material stream VH (for example, certain clean liquid) is by closure member 76 operations, at first clashes into and crosses first deflection plate 76, impacts subsequently and crosses second deflection plate 74.Second low speed material stream V L1(for example, certain emulsifying agent) introduces closure member 76 by first inlet 78.Equally, the 3rd low speed material stream gang V L2(for example, the emulsifying agent of certain heterogeneity and/or speed) introduces closure member 76 by second input port 80.Teach according to the present invention, each input port is positioned at the preset distance place, downstream from its relevant deflection plate.Other embodiment as discussed above, device 70 can form low-pressure area in the zone between each deflection plate and the relevant input port thereof.Therefore, in this specific embodiment, this low-pressure area makes low-speed flow thigh V L1And V L2Can inject closure member 76 with enough amounts, the result forms efficient mixing.In addition, as shown in Figure 8, baffle arrangement of the present invention can constitute with a plurality of cellular constructions, has by adding or remove the ability that separative element produces different-effect.For example, the second deflection plate section 82 can be attached to the top of first deflection plate 72, and second section 82 will make this baffle arrangement can adapt to the more material of high speed.Therefore be appreciated that through after a while, can regulate that adapting to the material of friction speed, and this adjusting is preferably by utilizing a plurality of unit baffle arrangement to realize to the size and the shape of deflection plate.
Fig. 9 comprises the side sectional view that device 70 shown in Figure 8 is intercepted along the 9-9 line.As previously discussed, under the situation of the low-speed flow thigh being injected the high velocity stream thigh, adopt the deflection plate advantageous particularly.In not having the conventional apparatus of baffle arrangement of the present invention, high velocity stream thigh V HPower will make 78 bendings of first input port, shown in shade among Fig. 9.Low speed material V L1The passage of injecting therefore be interfered, further reduced a stream gang V HAnd V L1Mixing efficiency.Therefore, adopt the deflection plate 72 of the professor according to the present invention to play the effect that a physical barriers is set between high velocity stream thigh and input port, the low speed material can be injected along required direction.
The numerical value of effect of the present invention is illustrated in Figure 10.Specifically, Figure 10 is that expression is along a chamber such as conduit 14 or pipeline 54 when adopting device of the present invention in conjunction with the air-flow of different temperatures, and temperature is with the figure of variable in distance.For result as shown in Figure 9, first air-flow that has environment temperature and be 250 is that 2440 second air-flow combines with having environment temperature, and the efficient of the combination of each air-flow begins the variations in temperature of arbitrfary point, downstream of the point of combination and measures at two strands of air-flows by evaluation.Figure among Figure 10 is included in the measured value of this variations in temperature of three independent position: at first B of the 575 inches distances in the position of the input port of crossing high temperature gas flow; Crossing second C of the 779 inches distances in input port; With at the thirdly D that crosses the 983 inches distances in input port.Represent with circle in Fig. 9 with the variations in temperature of traditional prior art structurally associated.The raising of adopting the mixing efficiency that deflector means of the present invention brings sees it is tangible from the variations in temperature of measuring at three position B, C and D equally, represent with triangle.Particularly at the B place, variations in temperature is reduced to 60 °F from 500 °F.At the C place, this variation is reduced to 24 °F from 320 °F; And last, at the D place, its variation is reduced to only 16 °F from 180 °F.What be appreciated that these data point representatives is variations in temperature (being the function of the width position of reference point upper edge closure member), is not the actual environment temperature of mixed airflow.

Claims (45)

1. one kind is used for passing through first material stream of closure member operation and the device of second material flows unite, and the above-mentioned second material stream comprises and above-mentioned first-class burst of different characteristic that said apparatus comprises:
One is used for the above-mentioned second stream burst input port of introducing above-mentioned closure member, and wherein, above-mentioned inlet protrudes into a predetermined altitude h in above-mentioned closure member; With
The cross-section above-mentioned first-class strand deflection plate in a position that is arranged in the above-mentioned closure member and is positioned in the upstream of above-mentioned input port, above-mentioned deflection plate separates a predetermined distance d with above-mentioned input port, wherein, cross above-mentioned deflection plate for above-mentioned first-class strand, forming one between above-mentioned deflection plate and above-mentioned input port is enough to improve the low-pressure area that above-mentioned first-class thigh and second flows the joint efficiency of thigh.
2. device as claimed in claim 1, wherein, this deflection plate comprises a pyramidal structure, the form of the composition is to comprise the bottom of broad and narrower top, the setting of above-mentioned taper deflection plate be make above-mentioned broad the bottom be positioned at the most nearby apart from the input port, and this taper deflection plate extends at the width of closure member.
3. device as claimed in claim 2, wherein.Above-mentioned deflection plate forms taper makes the narrower top of above-mentioned deflection plate not contact with this closure member.
4. device as claimed in claim 2, wherein, this taper deflection plate comprises the geometry of conic section.
5. device as claimed in claim 2, wherein, above-mentioned taper deflection plate comprises the geometry of triangular-section.
6. device as claimed in claim 2, wherein, the wider bottom of this taper deflection plate comprises a slit area, makes the part of above-mentioned wider bottom move apart a predetermined slot distances g by the surface of closure member.
7. device as claimed in claim 6, wherein, this input port is set to protrude with a predetermined altitude h greater than the slit g relevant with the taper deflection plate in closure member.
8. device as claimed in claim 7, wherein, first-class thigh comprises the air that temperature is lower, and the second stream thigh comprises the air that temperature is higher, therefore the slit of above-mentioned taper deflection plate can make the lower air of said temperature pass through from above-mentioned deflection plate below, enters low-pressure area and reduces the environment temperature of above-mentioned deflection plate.
9. device as claimed in claim 8, wherein, this taper deflection plate comprises one or more holes, thereby provides extra cooling for above-mentioned taper deflection plate.
10. device as claimed in claim 1, wherein, above-mentioned first-class strand comprises first kind of gaseous material, and the second stream thigh comprises second kind of gaseous material.
11. device as claimed in claim 10, wherein, this first gas is nitrogen, and second gas is oxygen.
12. device as claimed in claim 1, wherein, this first material is first kind of liquid, and second material is second kind of liquid.
13. device as claimed in claim 12, wherein, this first liquid stream thigh comprises a kind of clean liquid, and second liquid stream thigh comprises a kind of emulsifying agent.
14. device as claimed in claim 12, wherein, this first liquid stream thigh comprises a kind of clean liquid, and second liquid stream thigh comprises a kind of suspension.
15. device as claimed in claim 1, wherein, this deflection plate comprises one or more holes.
16. device as claimed in claim 1, wherein, this deflection plate comprises a slit area, so that an above-mentioned deflection plate edge nearest from the input port moves apart a predetermined slot distances g by the surface of closure member.
17. device as claimed in claim 16, wherein, this input port is set in closure member with one greater than protruding with the predetermined altitude h that moves apart relevant slit g at the edge of deflection plate.
18. device as claimed in claim 1, wherein, first-class strand comprises a high velocity stream thigh, and the second stream thigh comprises a low-speed flow thigh.
19. device as claimed in claim 18, wherein, this deflection plate comprises a kind of geometry of non-conical plate.
20. device as claimed in claim 1, wherein, this deflection plate comprises a kind of geometry of non-conical plate.
21. device as claimed in claim 1, wherein, this deflection plate comprises a global facility.
22. device as claimed in claim 1, wherein, this deflection plate comprises a plurality of parts, makes each single section to add as required or to remove.
23. device as claimed in claim 20, wherein, this deflection plate comprises that a lower board unit section and attaches to the upper plate portion section of above-mentioned lower plate portions with removably.
24. one kind is used to make the first material stream strand material different with the multiply stream strand device that mixes by closure member operation, the per share of above-mentioned multiply various flows thigh comprises and above-mentioned first-class burst of different characteristic that said apparatus comprises:
Be arranged to protrude into a plurality of input ports in this closure member, each input port be used to introduce above-mentioned multiply various flows thigh independent one; With
A plurality of deflection plates, above-mentioned a plurality of deflection plate and above-mentioned a plurality of input port are one-to-one relationship, each deflection plate is arranged on the upstream of its relevant input port, and separate a predetermined distance d with it, wherein above-mentioned first-class thigh is crossed the flowing of each deflection plate of above-mentioned a plurality of deflection plates, and forming between each deflection plate and relevant input port thereof is enough to improve the above-mentioned first-class strand of low-pressure area with the joint efficiency of above-mentioned multiply various flows thigh.
25. device as claimed in claim 24, wherein, at least one deflection plate of a plurality of deflection plates comprises a kind of pyramidal structure, its formation is a bottom and a narrower top that comprises a broad, above-mentioned at least one taper deflection plate is configured such that above-mentioned wider bottom is nearest apart from least one relevant input port, and above-mentioned at least one taper deflection plate extends at the width of closure member.
26. device as claimed in claim 25, wherein, at least one deflection plate forms taper, thereby form narrower top is not contacted with this closure member.
27. device as claimed in claim 24, wherein, a plurality of input ports are along the length direction setting of closure member.
28. device as claimed in claim 24, wherein, a plurality of input ports are in the width setting of enclosed construction.
29. one kind is used to make the device that mixes by the second higher air-flow of lower first air-flow of the temperature of conduit operation and temperature, this device comprises:
An input port that is set to protrude in this conduit, above-mentioned input port are used for the second stream strand above-mentioned conduit of introducing; With
One is arranged in the above-mentioned conduit and the cross-section above-mentioned first-class strand taper deflection plate that flows, wherein above-mentioned taper deflection plate is positioned at one predetermined distance d place, upstream, above-mentioned input port, above-mentioned taper deflection plate comprises the basal surface of broad and narrows down to form the sidewall in a conical top district along its length direction, above-mentioned deflection plate is configured such that wide basal surface has above-mentioned input port to pass the part of its protrusion in abutting connection with above-mentioned conduit, and above-mentioned taper deflection plate extends at the width of above-mentioned conduit subsequently.
30. a method that makes first material stream and second material flows unite, the above-mentioned second material stream comprise and above-mentioned first-class burst of different characteristic, the step that said method comprises has:
A) introduce a closure member with first-class strand, make above-mentioned first-class burst of length direction operation along this closure member;
B) utilize the deflection plate that is arranged in this closure member to block above-mentioned first-class strand flowing; With
C) with the second stream strand above-mentioned closure member of introducing, the above-mentioned second stream thigh is introduced in a position in above-mentioned deflection plate downstream, above-mentioned first-class thigh is crossed the blocking-up of flowing of above-mentioned deflection plate, strand introduce at above-mentioned deflection plate and above-mentioned second stream and to form a low-pressure area that is enough to improve the joint efficiency of above-mentioned first-class strand and the second stream thigh between the point
31. method as claimed in claim 30, wherein, this first-class strand comprises the air that temperature is lower, and the second stream thigh comprises the air that temperature is higher.
32. method as claimed in claim 30, wherein, this first-class strand comprises first gaseous material, and the second stream thigh comprises second gaseous material.
33. method as claimed in claim 32, wherein, this first gas is nitrogen, and second gas is oxygen.
34. method as claimed in claim 30, wherein, this first material is first liquid, and second material is second liquid.
35. method as claimed in claim 30, wherein, first-class strand comprises a high velocity stream thigh, and the second stream thigh comprises a low-speed flow thigh.
36. a method that makes burst combination of multiply different materials stream, the step that said method comprises has:
A) introduce a closure member with first-class strand, make above-mentioned first-class burst of length direction operation along this enclosed construction;
B) utilize the deflection plate that is arranged in the closure member to block above-mentioned first-class strand flowing;
C) with the second stream strand above-mentioned closure member of introducing, the above-mentioned second stream thigh is introduced in a position in above-mentioned deflection plate downstream, above-mentioned first-class thigh is crossed the blocking-up of flowing of above-mentioned deflection plate, strand introduces forming a low-pressure area that is enough to improve the joint efficiency of above-mentioned first-class strand and the second stream thigh between the point at above-mentioned deflection plate and above-mentioned second stream; With
D) for each strand repeating step b that is deposited in multiply various flows thigh) and c), until all stream burst combinations.
37. one kind in the textile material manufacturing by making above-mentioned weaving material carry out dry method to this weaving material through meeting basic Tempeerature-constant air, it step that comprises has:
A) this weaving material is inserted in the suitable drying equipment; With
B) the substantially invariable air stream of temperature is provided to the surface of above-mentioned weaving material, the generation type of this basic Tempeerature-constant air stream is as follows:
C) first air-flow of first temperature is introduced a closure member, make above-mentioned first-class burst of length direction operation along this enclosed construction;
D) utilize the deflection plate that is arranged in this closure member to block above-mentioned first-class strand flowing; With
E) temperature is introduced above-mentioned closure member for second air-flow of second temperature different with above-mentioned first temperature, the above-mentioned second stream thigh is introduced in a position in above-mentioned deflection plate downstream, above-mentioned first-class thigh is crossed the blocking-up of flowing of above-mentioned deflection plate, strand introduce at above-mentioned deflection plate and above-mentioned second stream and to form a low-pressure area that is enough to improve the joint efficiency of above-mentioned first-class strand and the second stream thigh between the point, and the delivery air stream of basic constant temperature is provided, is used for dry above-mentioned weaving material.
38. method as claimed in claim 37, wherein, this first air-flow thigh comprises the air that temperature is lower, and the second air-flow thigh comprises the air that temperature is higher.
39. method as claimed in claim 38, wherein, first temperature is about 250 °F, and second temperature is about 2440 °F.
40. one kind in the knit materials manufacturing by making above-mentioned knit materials carry out dry method to this knit materials through meeting basic Tempeerature-constant air, it step that comprises has:
A) knit materials is inserted in the suitable drying equipment; With
B) the substantially invariable air stream of temperature is provided to the surface of above-mentioned knit materials, the generation type of this basic Tempeerature-constant air stream is as follows:
C) first air-flow of first temperature is introduced a closure member, make above-mentioned first-class burst of length direction operation along this closure member;
D) utilize the deflection plate that is arranged in this closure member to block above-mentioned first-class strand flowing; With
E) temperature is introduced above-mentioned closure member for second air-flow of second temperature different with above-mentioned first temperature, the above-mentioned second stream thigh is introduced in a position in the downstream of above-mentioned deflection plate, above-mentioned first-class thigh is crossed the blocking-up of flowing of above-mentioned deflection plate, strand introduce at above-mentioned deflection plate and above-mentioned second stream and to form a low-pressure area that is enough to improve the joint efficiency of above-mentioned first-class strand and the second stream thigh between the point, and the delivery air stream of basic constant temperature is provided, is used for dry above-mentioned knit materials.
41。Method as claimed in claim 40, wherein, this first air-flow thigh comprises the air that temperature is lower, and the second air-flow thigh comprises the air that temperature is higher.
42. method as claimed in claim 41, wherein, first temperature is about 250 °F, and second temperature is about 2440 °F.
43. one kind in the non-woven material manufacturing by making above-mentioned non-woven material carry out dry method to this non-woven material through meeting basic Tempeerature-constant air, it step that comprises has:
A) non-woven material is inserted in the suitable drying equipment, the basic weight of this material is less than every square metre 5 gram or greater than every square metre 200 gram; With
B) the substantially invariable air stream of temperature is provided to the surface of above-mentioned non-woven material, the generation type of this basic Tempeerature-constant air stream is as follows:
C) first air-flow of first temperature is introduced a closure member, make above-mentioned first-class burst of length direction operation along this closure member;
D) utilize the deflection plate that is arranged in this enclosed construction to block above-mentioned first-class strand flowing; With
E) temperature is introduced above-mentioned closure member for second air-flow of second temperature different with above-mentioned first temperature, the above-mentioned second stream thigh is introduced in one position, downstream of above-mentioned deflection plate, above-mentioned first-class thigh is crossed the blocking-up of flowing of above-mentioned deflection plate, strand introduce at above-mentioned deflection plate and above-mentioned second stream and to form a low-pressure area that is enough to improve the joint efficiency of above-mentioned first-class strand and the second stream thigh between the point, and the delivery air stream of basic constant temperature is provided, is used for dry above-mentioned non-woven material.
44. method as claimed in claim 43, wherein, this first air-flow comprises the air that temperature is lower, and second air-flow comprises the air that temperature is higher.
45. method as claimed in claim 44, wherein first temperature is about 250 °F, and second temperature is about 2440 °F.
CN98814291A 1998-08-28 1998-08-28 Arrangement for combining dissimilar streams Expired - Fee Related CN1105595C (en)

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TWI507642B (en) * 2010-02-03 2015-11-11 Babcock & Wilcox Power Generat Stepped down gas mixing device

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CO4960669A1 (en) 2000-09-25
KR20010106455A (en) 2001-11-29
KR100515233B1 (en) 2005-09-16
SV1999000142A (en) 2000-07-06
AU746491B2 (en) 2002-05-02
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WO2000012202A1 (en) 2000-03-09
CN1105595C (en) 2003-04-16
DE69815403D1 (en) 2003-07-10
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AR020352A1 (en) 2002-05-08
JP2002523228A (en) 2002-07-30

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