CN103090716A - Fluid distributor used for plate type heat exchanger - Google Patents
Fluid distributor used for plate type heat exchanger Download PDFInfo
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- CN103090716A CN103090716A CN201110338168XA CN201110338168A CN103090716A CN 103090716 A CN103090716 A CN 103090716A CN 201110338168X A CN201110338168X A CN 201110338168XA CN 201110338168 A CN201110338168 A CN 201110338168A CN 103090716 A CN103090716 A CN 103090716A
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- 239000012530 fluid Substances 0.000 title claims abstract description 234
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 12
- 238000009826 distribution Methods 0.000 abstract description 8
- 230000009969 flowable effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 238000012546 transfer Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000007306 turnover Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000010396 two-hybrid screening Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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Abstract
The invention discloses a fluid distributor used for a plate type heat exchanger. The fluid distributor is characterized in that inter-plate fluid passages are formed among plate pieces of the plate type heat exchanger and communicated with the fluid distributor which is provided with at least two parallel pipelines and a sealing device hermetically connected with a same end portion of each pipeline, all of the inter-plate fluid passages are communicated with independent pipelines, adjacent inter-plate fluid passages are respectively communicated with different pipelines of the fluid distributor, the sealing device is provided with a sealing cover, and each pipeline is inserted into the sealing cover which is provided with ports independently connected with each pipeline so as to facilitate communication between each pipeline and corresponding outside fluid pipelines. Using of the fluid distributor can reduce the number of through holes on the plate pieces of the plate type heat exchanger so as to improve fluid heat exchanging efficiency and utilization rate of the plate pieces, flowable area of fluid is expanded, and distribution of the fluid among plates is more uniform. In addition, the plate type heat exchanger of the structure is easy to adjust pressure decrease and improve fluid distribution under phase-change working conditions.
Description
Technical field
The present invention relates to the heat transfer technology field, particularly a kind of fluid distributor for plate type heat exchanger.
Background technology
Plate type heat exchanger has compactness, efficient characteristics, generally is used for the heat exchange between two kinds of fluids, such as liquid-liquid, liquid-gas heat exchange pattern, also can be used for having the operating mode of fluid phase change, as being used as condenser, evaporimeter.
Please refer to Fig. 1, Fig. 1 is a kind of structural representation of plate of typical plate type heat exchanger.
Plate type heat exchanger is generally that the plate 1 with some compactings is fixed together by certain mode, fix as soldering, framework etc., allow cold and hot two kinds of fluids alternately pass between plate, realize the turnover of heat, the fluid that namely flows in plate 1 both sides is respectively cold fluid and hot fluid.Plate 1 in Fig. 1 is applicable to two fluid plate type heat exchangers, needs to arrange four through holes on a plate 1, usually is arranged in four corners of plate 1, also is called the hole, angle.When some plates 1 were combined, the hole, four angles on each plate 1 just consisted of the passage of two kinds of fluid turnover of four confessions of plate type heat exchanger, realized two fluid turnover plate type heat exchangers.Be provided with runner between plate on plate 1, when fluid flows to 1 of plate by passage, can improve fluid in 1 mobile uniformity of plate along flow passage between plate.
in order to realize that two kinds of fluids alternately pass between plate, wherein two jiaos of holes around be provided with the back-up ring (not shown), second jiao of hole 12 and 13 places, third angle hole along the diagonal setting on plate shown in Fig. 11 can arrange back-up ring, when a kind of fluid enters from first jiao of hole 11, can't flow to third angle hole 13, only flow to the 4th jiao of hole 14, one other fluid directly flows to another adjacent with it plate 1 from second jiao of hole 12, another plate 1 can adopt opposite back-up ring arrangement, realized that two kinds of fluids alternately pass each plate 1, so that the different fluid of flow passage between adjacent panel, realize heat exchange.The mode that in Fig. 1, fluid flows between plate is to angular flux, also can back-up ring be set in the place, two jiaos of holes of the same side, and fluid-flow mode is monolateral stream.
As shown in the above, there is following technical problem in technique scheme:
first, as seen from Figure 1, in order to realize that two kinds of fluids distribute and do not interfere with each other 1 of plate, plate 1 needs to arrange hole, at least four angles to form fluid passage (a kind of fluid need arrange two jiaos of holes), correspondingly, has monolateral stream or to the mode of angular flux, but for these two kinds of types of flow, 1 fluid of plate all can't uniform distribution near plate 1 zone two jiaos of holes that back-up ring is set, this zone can not be used effectively, still exist heat exchange inhomogeneous, the problem that heat exchange efficiency is low, when unnecessary two kinds of heat exchanging fluid kind, the angle number of perforations is more, the problems referred to above are more remarkable, and, every kind of fluid need arrange two jiaos of holes, and hole, at least four angles has occupied the larger area of plate 1, has correspondingly reduced the overall utilization rate of plate 1, simultaneously, hole, four angles is arranged in design, shape and the related application that plate type heat exchanger has also been limited in plate 1 four corners.
The second, the passage that is comprised of the hole, angle is difficult to guarantee the patency that circulates, pressure drop when fluid flows in this passage is larger, accounts for the part of plate type heat exchanger pressure drop, due to the restriction of angle pore structure, the problem that pressure drop is larger can't effectively be reduced, and can't be adapted to different operating mode demands.
In view of this, how to make fluid can Uniform Flow between the plate of plate type heat exchanger, and improve plate utilization rate and plate heat exchange efficiency, be those skilled in the art's technical issues that need to address.
Summary of the invention
Purpose of the present invention is for providing a kind of fluid distributor for plate type heat exchanger, after this fluid distributor is used for plate type heat exchanger, can make fluid can Uniform Flow between the plate of plate type heat exchanger, and improve plate utilization rate and plate heat exchange efficiency.
For achieving the above object, the invention provides a kind of fluid distributor for plate type heat exchanger, described plate type heat exchanger comprises the plate of stacked setting, form runner between plate between plate, between described fluid distributor and described plate, runner is communicated with, and described fluid distributor has at least two pipelines that are set up in parallel and the sealing device that is connected with the same end part seal of each described pipeline; Between plate runner all with independent described pipeline communication, and between adjacent plate runner respectively from the different pipeline communications of fluid distributor; Described sealing device has seal cover, and each described pipeline all inserts in described seal cover, and has respectively the interface that is connected separately with each described pipeline on described seal cover, so that each described pipeline and corresponding external fluid pipeline connection.
Preferably, each described pipeline all arranges the opening of runner between the described plate of some connections vertically, and the opening of described pipeline staggers in the axial direction mutually in twos so that between adjacent described plate runner respectively from the different pipeline communications of described fluid distributor.
Preferably, described fluid distributor has two described pipelines that are set up in parallel, and a described pipeline is inner tube, and described inner tube is nested in outer tube, and another described pipeline is the tube chamber between described inner tube and described outer tube; Described outer tube and described inner tube are equipped with described opening, and described outer tube is provided with the connected entrance corresponding with described inner tube aperture position, the open communication of described connected entrance and described inner tube, and the opening of described connected entrance and described inner tube all with described tube chamber seal isolation.
Preferably, described inner tube and described outer tube are fitted vertically, and the opening of described inner tube and described outer tube connected entrance are located at the joint place; The opening of described connected entrance and described inner tube is all by being located at seal and the described tube chamber seal isolation between described outer tube and described inner tube.
Preferably, described inner tube and described outer tube are square pipe, and a side of described inner tube fits in a side of described outer tube, and the connected entrance of the opening of described inner tube and described outer tube is located on the side of applying.
Preferably, described seal cover is provided with two described interfaces, and an end of described outer tube is fixed in described seal cover, and an end of described inner tube stretches out a described interface; Another interface of described seal cover also is provided with adapter, and the tube chamber between described inner tube and described outer tube is communicated with outside fluid circuit by described adapter.
Preferably, the perisporium of described end cap forms step surface, and when described outer tube inserted in described seal cover, the end face of described outer tube contacted at described step surface.
Preferably, the outer end of described adapter has internal thread or external screw thread.
Fluid distributor provided by the invention, after being used for plate type heat exchanger, in plate type heat exchanger on plate the number of through hole reduced, promote the usable area of plate, and then improve the utilization rate of fluid heat transfer efficient and plate, and due to the minimizing of through hole and back-up ring number, the zone that fluid can flow enlarges, the distribution of fluid between plate is more even, and the heat exchanging fluid kind is more, and this kind advantage is more obvious; In addition, the factor changes such as dispensers of fluids pipe shape, roughness just can change the pressure drop size of pipeline inner fluid comparatively easily, to adapt to the demand of different operating modes, reach and fall low pump work, energy-saving and cost-reducing purpose; Moreover, have at heat exchanging fluid under the operating mode of phase transformation, change as required pipeline upper shed size, namely can improve the fluid allocation situation, the uneven situation of gas-liquid distribution between runner between the solution plate; Separately, when plate arranged through hole, through hole can be arranged at the corner of plate, and the restriction of the shape of dispensers of fluids and application is less.
Description of drawings
Fig. 1 is a kind of structural representation of plate of typical plate type heat exchanger;
Fig. 2 is the first structural representation of plate in plate type heat exchanger provided by the present invention;
Fig. 3 is the first structural representation of fluid distributor in plate type heat exchanger provided by the present invention;
Fig. 4 is the structural representation of fluid distributor outer tube in Fig. 3;
Fig. 5 is the structural representation of fluid distributor inner tube in Fig. 3;
Fig. 6 is the structural representation that in Fig. 3, fluid distributor inserts plate mixing through hole in Fig. 2;
Fig. 7 is the structural representation that in Fig. 3, fluid distributor inserts the plate type heat exchanger hybrid channel;
Fig. 8 is the structural representation that in Fig. 3, fluid distributor coordinates with the polylith plate;
Fig. 9 is the local enlarged diagram at A position in Fig. 8;
Figure 10 is axial cutaway view after in Fig. 3, fluid distributor coordinates with plate groups in plate type heat exchanger;
Figure 11 is the structural representation of the sealing device of fluid distributor in Fig. 3;
Figure 12 is the structural representation of the another kind of angle of sealing device in Figure 11;
Figure 13 is the cross sectional representation of inner tube fitted seal pad in Fig. 5;
Figure 14 is the cross sectional representation of fluid distributor pipeline in Fig. 3;
Figure 15 is the second structural representation of plate in plate type heat exchanger provided by the present invention;
Figure 16 is the third structural representation of plate in plate type heat exchanger provided by the present invention;
Figure 17 is the structural representation that in Fig. 3, fluid distributor inserts the plate type heat exchanger that is comprised of plate in Figure 15;
Figure 18 is the profile of plate type heat exchanger in Figure 17;
Figure 19 is the second structural representation of fluid distributor in plate type heat exchanger provided by the present invention;
Figure 20 is the internal structure schematic diagram of Figure 19;
Figure 21 is the structural representation of pipeline in the third structure of fluid distributor in plate type heat exchanger provided by the present invention;
Figure 22 is the cross sectional representation of Figure 21.
The specific embodiment
Core of the present invention is for providing a kind of plate type heat exchanger, is provided with on the plate of this plate type heat exchanger mix through hole and have fluid distributor, make fluid can Uniform Flow between plate, and improve utilization rate and the heat exchange efficiency of plate.
In order to make those skilled in the art understand better technical scheme of the present invention, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Plate type heat exchanger in this specific embodiment, the plate that comprises stacked setting, form runner between plate between plate, usually the Surface Machining at plate goes out lines to form runner between plate, same as the prior art, between plate, runner is convenient to fluid well-distributing and is flowed between plate, has through hole on plate, and the through hole of stacked plate element forms the fluid passage.
Please refer to Fig. 2, Fig. 2 is the first structural representation of plate in plate type heat exchanger provided by the present invention, and the arrow of this figure also shows the flow path of fluid; Fig. 3 is the first structural representation of fluid distributor in plate type heat exchanger provided by the present invention; Fig. 4 is the structural representation of fluid distributor outer tube in Fig. 3; Fig. 5 is the structural representation of fluid distributor inner tube in Fig. 3; Fig. 6 is the structural representation that in Fig. 3, fluid distributor inserts plate mixing through hole in Fig. 2; Fig. 7 is the structural representation that in Fig. 3, fluid distributor inserts the plate type heat exchanger hybrid channel.
Unlike the prior art be, plate type heat exchanger 2 also comprises the fluid distributor 22 that inserts in the fluid passage, and fluid distributor 22 has at least two pipelines that are set up in parallel and run through the fluid passage, each pipeline that is fluid distributor 22 all inserts in the fluid passage, namely run through each through hole, as shown in Figure 7, fluid distributor 22 inserts in the fluid passage.In fluid distributor 22, the fluid of each pipeline circulation is all different, type of fluid equates with the number of pipeline, due at least two kinds of fluids that can circulate in the through hole that inserts for fluid distributor 22, this through hole hereinafter referred to as mixes through hole 211 (seeing Fig. 2), corresponding fluid passage is the hybrid channel, the through hole that does not insert fluid distributor 22 is single current through hole 212, and corresponding fluid passage is single channel 23.
In fluid distributor 22, the concrete structure of pipeline is: each pipeline all arranges some openings (outer tube opening 2212 as shown in Figures 4 and 5 and interior tube opening 2211) vertically, between plate runner all with independent open communication, namely between plate runner only with an open communication, fluid runner through between the opening course plate in pipeline, or between plate, the fluid in runner flows to pipeline through opening; Due to the import of runner between plate and outlet all along the axial setting of hybrid channel, in this scheme in twos the opening of pipeline the hybrid channel axially on mutually stagger, can make runner between adjacent plate respectively from the open communication of different pipeline, thereby the different fluid of circulation in runner between the assurance adjacent panel, the different fluid of the i.e. both sides of a plate 21 circulation is to realize heat exchange function.Following content mainly is elaborated to this process as an example of two kinds of fluid heat transfers example.
The hybrid channel is as the fluid inlet passage of plate type heat exchanger 2, after inserting fluid distributor 22, when two kinds of fluids flow to respectively inner tube 222 and tube chamber, inner tube 222 fluids flow to runner between the plate at interval through interior tube opening 2221, connected entrance 2211, the tube chamber flow flows to runner between the plate at interval through outer tube opening 2212.Certainly, the hybrid channel also can be used as the fluid issuing passage of plate type heat exchanger 2, after inserting fluid distributor 22, fluid between adjacent panel in runner flows to inner tube 222 through connected entrance 2211, interior tube opening 2221 respectively, with flow to tube chamber through outer tube 221 openings, then from the outlet of plate type heat exchanger 2 shunting and go out.
Please continue in conjunction with Fig. 8 to Figure 10, Fig. 8 is the structural representation that in Fig. 3, fluid distributor coordinates with the polylith plate; Fig. 9 is the local enlarged diagram at A position in Fig. 8; Figure 10 is axial cutaway view after in Fig. 3, fluid distributor coordinates with plate groups in plate type heat exchanger.
Runner 21b between runner 21a and the second plate between two the first adjacent plates of three plates, 21 formation shown in Fig. 9, because outer tube opening 2212 and interior tube opening 2221 (corresponding with outer tube 221 connected entrance 2211 positions) stagger in the axial direction, between outer tube opening 2212 and the first plate, runner 21a is communicated with, interior tube opening 2221 is communicated with by runner 21b between connected entrance 2211 and the second plate, the like, referring to Figure 10, this kind structure has realized the distribution of two kinds of fluids runners between plate 21 biside plates, makes the different fluid of flow passage between plate 21 biside plates.Therefore need not as each fluid arranges a passage after the fluid distributor 22 of this structure is set, multiple fluid can be dispensed between plate in runner by a hybrid channel.When being applied to three kinds of fluid heat transfers, can insert again an inner tube in outer tube 221, the tube chamber between two inner tubes and outer tube 221, two inner tubes consist of three pipelines, and the opening on three pipelines staggers vertically successively, can make three kinds of fluids of runner circulation between three adjacent plates; When being applied to more than three kinds fluid, can make corresponding structural modification, principle is identical, is not repeated herein again.
When mixing through hole 211 uses as fluid inlet, fluid is dispensed between plate after runner as mentioned above, runner flows to the one (the back-up ring limit fluid that can arrange of another one flows into) in plate 21 lower end two single current through holes 212 on every side between plate, and two kinds of fluids that flow in hybrid channel inner fluid distributor 22 flow to respectively single current passage 23.When mixing through hole 211 used as fluid issuing, flow path was opposite.
In addition, fluid distributor 22 also has sealing device.Please refer to Figure 11 and Figure 12, Figure 11 is the structural representation of the sealing device of fluid distributor in Fig. 3; Figure 12 is the structural representation of the another kind of angle of sealing device in Figure 11.
The same end of fluid distributor 22 each pipelines all is connected with sealing device 223.Particularly, offer at least two interfaces on the seal cover of sealing device 223, the number of interface equates with the number of fluid distributor 22 pipelines, and in the equal insert-seal lid of each pipeline, the setting of interface is convenient to each pipeline and is connected with the fluid circuit of outside.Have first interface 2232 and the second interface in Figure 11 on seal cover, the fluid distributor 22 with inner tube 222 and outer tube 221 in corresponding diagram 2, inner tube 222 is a pipeline, is connected with first interface 2232; Tube chamber between inner tube 222 and outer tube 221 is another pipeline, is connected with the second interface, and is communicated in the adapter 2231 of the second interface.
During assembling, sealing device 223 can be enclosed within inner tube 222 after fixing and an end of outer tube 221, its middle external tube 221 is fixing in sealing device 223 inside (seal cover), such as, mode by welding or tube is fixed, the fluid that makes tube chamber flows out to fluid circuit from taking over 2231, or the fluid in fluid circuit is from taking over 2231 tube chambers that flow between outer tubes 221 and inner tube 222, and namely the part inner chamber of seal cover becomes the passage between tube chamber and fluid circuit; Inner tube 222 is stretched out from interface 2232, also can be fixed on interface 2232 by modes such as tube or welding, then be connected with another fluid circuit, realizes the turnover of one other fluid.Fluid distributor 22 is realized and being connected of fluid circuit by this kind sealing device 223.The sealing device 223 of this kind structure when being applied to the fluid distributor 22 of mobile two or more fluids, can be made corresponding change for fluid distributor 22 designs of two kinds of fluids to sealing device 223.
The sealing device 223 of this structure is all included a plurality of pipelines of fluid distributor 22 in its seal cover, and different fluid circuits is communicated to respectively sealing device 223 places, and then flows in different pipelines.Therefore, sealing device 223 can with the interface isolation of each pipeline and fluid circuit in fluid distributor 22, so that multiple fluid flows in each pipeline, be completed the distribution of the fluid in runner between plate in non-interfering situation; In addition, on fluid distributor 22 pipeline configuration diversified bases, sealing device 223 can satisfy fluid distributor 22 each pipelines and be connected with the good of fluid circuit; And seal cover is included fluid distributor 22 each pipelines in it in, makes the structure of fluid distributor 22 more compact, is convenient to the connection of fluid circuit.
In above-described embodiment, be provided with one on plate and mix through hole 211 and two single current through holes 212, mix through hole 211 interpolations and enter fluid distributor 22, this kind mode of communicating is convenient to the connection of runner and pipeline between plate, and be easy to realize sealing, certainly, fluid distributor 22 also can be placed on plate 21, makes between its pipeline tapping alignment sheets runner also can realize purpose of the present invention, at this moment, mixing through hole 211 also can be set on plate 21.In addition, when fluid distributor 22 is placed on plate 21, the set-up mode of pipeline upper shed also can be not limited to the above-mentioned mode that staggers vertically, such as, offer some openings in fluid distributor 22 on each pipeline, each opening is communicated with by runner between tube connector and plate, can make equally runner between each plate only with independent pipeline communication, and runner and different pipeline communications between adjacent panel; In this kind situation, fluid distributor 22 also need not to be inserted in plate 21.Can expect, when the import stream of heat exchanging fluid all adopts the fluid distributor 22 of this kind structure with the outlet stream, on plate 21, any through hole can be set.Certainly, arrange and mix through hole 211, fluid distributor 22 is inserted in the hybrid channel, make plate type heat exchanger 2 have advantages of compact conformation, and be convenient to being communicated with of runner between fluid distributor 22 and plate.
As shown in the above, adopt the fluid distributor 22 of this kind structure, first, the two or more fluids that can circulate in the through hole of plate, in the situation that heat exchanging fluid kind number equates, prior art relatively, can reduce the number of through-holes on plate 21, even need not to arrange any through hole on plate 21, promote the usable area of plate 21, and then improve the utilization rate of fluid heat transfer efficient and plate 21; In addition, as can be seen from Figure 2, due to the minimizing of through hole and back-up ring number, the zone that fluid can flow enlarges, and the distribution of fluid between plate is more even, and the heat exchanging fluid kind is more, and this kind advantage is more obvious; The second, the factor changes such as dispensers of fluids 22 pipe shapes, roughness just can change the pressure drop size of pipeline inner fluid comparatively easily, to adapt to the demand of different operating modes, reach and fall low pump work, energy-saving and cost-reducing purpose; Three, have under the operating mode of phase transformation at heat exchanging fluid, change as required pipeline upper shed size, namely can improve the fluid allocation situation, the uneven situation of gas-liquid distribution between runner between the solution plate; Four, through hole can be arranged at the corner of plate 21, and the restriction of the shape of dispensers of fluids 22 and application is less.
Please refer to Figure 13 and Figure 14, Figure 13 is the cross sectional representation of inner tube fitted seal pad in Fig. 5; Figure 14 is the cross sectional representation of fluid distributor pipeline in Fig. 3.
In order to realize the seal isolation of connected entrance 2211 and tube chamber, in this specific embodiment, inner tube 222 and outer tube 221 are fitted vertically, as shown in figure 12, interior tube opening 2221 is located at the joint place with the connected entrance 2211 of outer tube 221, the fluid of inner tube 222 can directly flow to connected entrance 2211 after flowing out inner tube opening 2221, and then runner between course plate.By with this embodiment in outer tube 221 and inner tube 222 be round tube, in order to form tube chamber, radial dimension both has certain difference, therefore when fitting vertically, due to the difference of radian, in theory, only there is contact wire both, therefore the connected entrance 2211 of interior tube opening 2221 and outer tube 221 is not applying, but has certain gap, thereby adopted seal so that isolation connected entrance 2211, interior tube opening 2221 and tube chamber.Seal can be the gasket seal 226 of being located at interior tube opening 2221 places, see Figure 11, has the hole that coordinates with the connected entrance 2211 of interior tube opening 2221 and outer tube 221 on gasket seal 226, exist the part leakage flow to the situation of tube chamber even flow out the fluid of opening, existence due to gasket seal 226, this segment fluid flow also can't flow into tube chamber, guarantees that the fluid in tube chamber and inner tube 222 can't mix; And intraluminal fluid also can't flow out outer tube 221 from connected entrance 2211, avoids tube chamber fluid and inner tube 222 fluids all to flow to runner between same plate by connected entrance 2211; In addition, gasket seal 226 also helps the location to inner tube 222 and outer tube 221, and plays certain guide functions.Independent gasket seal 226 can be set to be coordinated with interior tube opening 2221, outer tube 221 connected entrances 2211 respectively; Seal also can be the integral sealing pad, and the hole corresponding with interior tube opening 2221, outer tube 221 connected entrance 2211 numbers is set on the integral sealing pad, also can realize this purpose.During assembling, can be at first gasket seal 226 be fixed in one by the modes such as bonding or welding and inner tube 222, then inner tube 222 is fixing with outer tube 221, certainly, fixes with inner tube 222 again after also can gasket seal 226 and outer tube 221 is fixing.
In addition, also sealing gasket can be set between fluid distributor 22 each pipelines and hybrid channel, process equally on sealing gasket and outer tube 221 connected entrances 2211 and the adaptive hole of outer tube opening 2212, can mutually flow to isolator runner between corresponding plate to guarantee two kinds of fluids.
Please continue with reference to Figure 15 to Figure 18, Figure 15 is the second structural representation of plate in plate type heat exchanger provided by the present invention; Figure 16 is the third structural representation of plate in plate type heat exchanger provided by the present invention; Figure 17 is the structural representation that in Fig. 3, fluid distributor inserts the plate type heat exchanger that is comprised of plate in Figure 15; Figure 18 is the profile of plate type heat exchanger in Figure 17.
In this embodiment, the two ends of plate type heat exchanger 2 plates 21 all are provided with and mix through hole 211, in Figure 15 two mixes the medium position that through hole 211 all is positioned at the end, in Figure 16, two mix the corner that through hole 211 is positioned at plate 21 ends, and two mixing through holes 211 are the diagonal layout.The mixing through hole 211 of stacked some plates 21 has formed on plate type heat exchanger 2 respectively as fluid inlet hybrid channel and fluid issuing hybrid channel, all inserts a fluid distributor 22 in two hybrid channels.With above-mentioned process fluid flow describe similar, can be referring to Figure 16, this figure is along the central axial direction section of two fluid distributors, the arrow of this figure partly shows the flow path of fluid.Two kinds of fluids are dispensed between plate in runner after the fluid distributor 22 of import hybrid channel flows into, and after heat exchange, runner flows to corresponding inner tube 222 or tube chamber again between plate, then flows out plate type heat exchanger 2.The plate type heat exchanger 2 of this specific embodiment has adopted two fluid distributors 22, can only arrange two on plate 21 and mix through hole 211, compared to above-described embodiment, the usable area of plate 21 further increases, and namely can further improve heat exchange efficiency and plate 21 utilization rates.
In addition, when above-mentioned inner tube 222 and outer tube 221 are pipe, adopt the seal isolation between tube opening 2221, outer tube 221 connected entrances 2211, tube chamber in the seal realization, also can adopt other modes to realize seal isolation.
Please refer to Figure 19 and Figure 20, Figure 19 is the second structural representation of fluid distributor in plate type heat exchanger provided by the present invention; Figure 20 is the internal structure schematic diagram of Figure 19.
Please refer to 21 and Figure 22, Figure 21 is the structural representation of pipeline in the third structure of fluid distributor in plate type heat exchanger provided by the present invention; Figure 22 is the cross sectional representation of Figure 21.
In this embodiment, fluid distributor 22 has two pipelines that are set up in parallel equally.This fluid distributor 22 only has a body 22a, body 22a inside has the dividing plate 22a1 that arranges vertically, dividing plate 22a1 is divided into the first pipeline 224 and the second pipe 225 shown in Figure 19 with body 22a, the first pipeline 224 and the second pipe 225 two kinds of different fluids that are respectively used to circulate, and be equipped with opening on the first pipeline 224 and second pipe 225, i.e. the first pipeline tapping 2241 and second pipe opening 2251 shown in figure.Certainly, for reach between plate runner can with the purpose of open communication, the first pipeline tapping 2241 and second pipe opening 2251 must be located on the tube wall of the body 22a beyond dividing plate 22a1.Can release thus, when for two or more fluid heat transfer, can change the shape of dividing plate 22a1 or set up dividing plate 22a1, to form required pipeline number.
Except the structure of above-described embodiment, two or more independent bodys can also directly be set as the pipeline of fluid distributor 22, in the hybrid channel of whole insertion plate type heat exchanger 2, also can realize purpose of the present invention.Fluid distributor 22 structures in above-described embodiment are more compact, be convenient to and plate between runner set up connected relation, and can reduce to mix the area of through hole 211 as far as possible, thereby increase the entire area of runner between 21 plates of plate, further improve heat exchange efficiency; In addition, in above-described embodiment, fluid just begins heat exchange (tube wall of another pipeline of fluid contact in a pipeline) entering before runner between plate, and heat exchange efficiency further is improved again.
Above a kind of plate type heat exchanger provided by the present invention is described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (8)
1. fluid distributor that is used for plate type heat exchanger, described plate type heat exchanger comprises the plate (21) of stacked setting, form runner between plate between plate (21), between described fluid distributor (22) and described plate, runner is communicated with, it is characterized in that, described fluid distributor (22) has at least two pipelines that are set up in parallel and the sealing device (223) that is connected with the same end part seal of each described pipeline; Between plate runner all with independent described pipeline communication, and between adjacent plate runner respectively from the different pipeline communications of fluid distributor (22); Described sealing device (223) has seal cover, and each described pipeline all inserts in described seal cover, and has respectively the interface that is connected separately with each described pipeline on described seal cover, so that each described pipeline and corresponding external fluid pipeline connection.
2. the fluid distributor for plate type heat exchanger according to claim 1, it is characterized in that, each described pipeline all arranges the opening of runner between the described plate of some connections vertically, the opening of described pipeline staggers in the axial direction mutually in twos so that between adjacent described plate runner respectively from the different pipeline communications of described fluid distributor (22).
3. the fluid distributor for plate type heat exchanger according to claim 1 and 2, it is characterized in that, described fluid distributor (22) has two described pipelines that are set up in parallel, one described pipeline is inner tube (222), described inner tube (222) is nested in outer tube (221), and another described pipeline is the tube chamber between described inner tube (222) and described outer tube (221); Described outer tube (221) and described inner tube (222) are equipped with described opening, and described outer tube (221) is provided with the connected entrance (2211) corresponding with described inner tube (222) aperture position, the open communication of described connected entrance (2211) and described inner tube (222), and the opening of described connected entrance (2211) and described inner tube (222) all with described tube chamber seal isolation.
4. the fluid distributor for plate type heat exchanger according to claim 3, it is characterized in that, described inner tube (222) and described outer tube (221) are fitted vertically, and the opening of described inner tube (222) and described outer tube (221) connected entrance (2211) are located at the joint place; The opening of described connected entrance (2211) and described inner tube (222) is all by being located at seal and the described tube chamber seal isolation between described outer tube (221) and described inner tube (222).
5. the fluid distributor for plate type heat exchanger according to claim 3, it is characterized in that, described inner tube (222) and described outer tube (221) are square pipe, one side of described inner tube (222) fits in a side of described outer tube (221), and the connected entrance (2211) of the opening of described inner tube (222) and described outer tube (221) is located on the side of applying.
6. the described fluid distributor for plate type heat exchanger of according to claim 3 to 5 any one, it is characterized in that, described seal cover is provided with two described interfaces, and an end of described outer tube (221) is fixed in described seal cover, and an end of described inner tube stretches out a described interface (2232); Another interface of described seal cover also is provided with adapter (2231), and the tube chamber between described inner tube (222) and described outer tube (221) is communicated with outside fluid circuit by described adapter.
7. the fluid distributor for plate type heat exchanger according to claim 6, is characterized in that, the perisporium of described end cap forms step surface, and when described outer tube inserted in described seal cover, the end face of described outer tube contacted at described step surface.
8. the fluid distributor for plate type heat exchanger according to claim 7, is characterized in that, the outer end of described adapter has internal thread or external screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201110338168.XA CN103090716B (en) | 2011-10-31 | 2011-10-31 | For the fluid distributor of plate type heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110338168.XA CN103090716B (en) | 2011-10-31 | 2011-10-31 | For the fluid distributor of plate type heat exchanger |
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| CN103090716A true CN103090716A (en) | 2013-05-08 |
| CN103090716B CN103090716B (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104048548A (en) * | 2014-05-26 | 2014-09-17 | 杭州三花微通道换热器有限公司 | Adjustable refrigerant distribution device and heat exchanger provided with same |
| DE102015010289A1 (en) * | 2015-08-08 | 2017-02-09 | Modine Manufacturing Company | Plate heat exchanger |
| CN113318466A (en) * | 2019-07-02 | 2021-08-31 | 江苏远卓设备制造有限公司 | Implementation method of plate-type evaporator |
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|---|---|
| CN103090716B (en) | 2015-11-25 |
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Effective date of registration: 20170401 Address after: 310018 Hangzhou economic and Technological Development Zone, Zhejiang, No. 21 Avenue, No. 60 Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018 289-2, Hangzhou Economic Development Zone, Zhejiang, No. 12 Patentee before: Hangzhou Sanhua Institute Co., Ltd. |
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