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CN103499227B - One of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages - Google Patents

One of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages Download PDF

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CN103499227B
CN103499227B CN201310439746.8A CN201310439746A CN103499227B CN 103499227 B CN103499227 B CN 103499227B CN 201310439746 A CN201310439746 A CN 201310439746A CN 103499227 B CN103499227 B CN 103499227B
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heat
heat exchange
plate
transferring medium
runner
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CN103499227A (en
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缪志先
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Abstract

A kind of one of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages, including heat exchange core body, it is characterized in that, with the mode of increase heat exchange plate and heat-exchanger rig, increase the runner quantity of one of which heat transferring medium, pass through the effect of corner apertures backing plate, forming this kind of heat transferring medium can the co-flow in parallel together in the heat-exchanger rig of a plurality of adjacent channels simultaneously, and the heat transferring medium that other mutually exchange heat still flows in the former alternately single layer flow path and heat-exchanger rig of heat exchange, in such heat exchange core body, the runner quantity of one of which heat transferring medium is more than the runner quantity of other heat transferring mediums, the heat transferring medium that mutually exchanges heat is set to form multi-layer flow channels to single layer flow path alternately mutual septate heat transfer.

Description

One of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages
Technical field
The present invention relates to a kind of heat exchanger, more particularly to a kind of one of medium mutually to exchange heat to have the box-like layer of multiple flow passages Folded heat exchanger.
Background technology
Box-like stacking heat exchanger refers to that multiple heat exchange plates that edge is inclined-plane are sequentially laminated, and the sealing means on periphery rely on The inclined-plane at each heat exchange plate edge, which seals against each other, to be linked together, and is available for heat transferring medium to circulate inside box-like stacking heat exchanger Corner apertures and carry out the heat-exchanger rig of septate heat transfer, the corner apertures in heat exchanger is distributed in the both ends of each heat exchange plate, heat exchange dress Put at the middle part of each heat exchange plate.
The heat exchange mode of the heat exchanger of box-like stacking at present is, in same heat exchanger and heat exchange core body, each heat transferring medium Runner it is highly identical, or runner height is different, but participate in heat exchange medium and its runner always one layer it is mutual to one layer of ground Alternately, successively it is adjacent to carry out septate heat transfer.
Above-mentioned this kind of box-like stacking heat exchanger is disadvantageous in that;
Alternateed in face of various heat exchange medium, successively during adjacent heat exchange, there is identical runner height Heat exchange mode obviously can not take into account the heat transferring medium of heterogeneity and state well to respective fluid resistance and pressure drop It is required that.
Assuming that a kind of heat transferring medium mutually to exchange heat is gaseous state, another heat transferring medium is liquid, if changing with liquid Based on thermal medium, the plate spacing runner height between each heat exchange plate is set, it is clear that for gaseous heat transferring medium, Mutually heat exchange during, will necessarily be highly relatively small due to plate spacing runner, caused drag phenomena and trigger larger Pressure drop, show gaseous heat transferring medium and larger pressure difference is produced at the import and export of the heat exchanger, it is impossible to meet that engineering is changed The needs of heat.In order to alleviate this phenomenon, runner quantity is often increased to solve using the piece number of increase heat exchange plate at present. But successively adjacent heat exchange is alternateed to one layer because the heat exchange mode of current this kind of heat exchanger is one layer, is increasing a certain change During the runner quantity of thermal medium, it also can correspondingly increase the runner quantity of other heat transferring mediums, so will be by being increased The heat exchange plate quantity added is more and causes the cost of the heat exchanger to be significantly increased therewith.
In order to solve the above problems, there is the heat exchanger prior art of different plate spacing runner height in number of patent application It is while different plate spacing runner height are formed, not have the advantages of this kind of prior art for disclosed in 03811046.6 Extraly increase heat exchange plate quantity, still keep one layer of heat transferring medium in heat exchange core body to alternate one layer, successively phase Exchanged heat adjacently.
Be disclosed Patent No. 03811046.6 prior art its be disadvantageous in that, each heat exchange plate assembling after And in soldering, second edge section of every second of type heat exchange plate is all without each first with upper and lower each heat exchange plate And the 3rd bezel be in contact, will not also be brazed together, so be will result in whole heat exchange core with these bezels In body, in the edge of every second of type heat exchange plate, can all there is one section of only single heat exchange plate material thickness Layer side edge is protected, and such edge thickness distribution will cause whole heat exchanger bearing capacity and anti-fatigue ability weaker.
The content of the invention
The purpose of the present invention is to meet heat transferring medium of different nature in mutual heat transfer process, especially in gaseous state and liquid During state exchanges heat, meet gaseous medium inside the heat exchanger caused by resistance drop requirement, and reduce manufacturing cost, raising is changed The bearing capacity and anti-fatigue ability of hot device.
The purpose of the present invention realizes that a kind of one of medium mutually to exchange heat has the box of multiple flow passages using following scheme Shape is laminated heat exchanger, including heat exchange core body, and the heat exchange core body is had bevel edge box-like and can be layered on top of each other one by multiple The heat exchange plate composition risen, each heat exchange plate is sealed from one another at bevel edge position and is linked together, in each heat exchange plate two Holding has corner apertures, and the corner apertures on heat exchange plate is plane distribution in the bottom plate both ends of heat exchange plate, each corner apertures and its periphery plane of flattening It is same plane with the bottom plate of the heat exchange plate, the heat exchange plate for so having bezel and plane angle hole is layered in one Rise, have corner apertures backing plate in the heat transferring medium corner apertures free air space formed on the plane periphery of angled hole plane of flattening, the corner apertures backing plate It is highly single runner height, there is heat-exchanger rig, height and the corner apertures pad of heat-exchanger rig in the runner of each heat exchange plate composition The height of plate is identical and highly identical with heat exchanger plates sheet spacing runner, it is characterised in that with increase heat exchange plate and heat exchange dress The mode put, increase the runner quantity of one of which heat transferring medium, by the effect of corner apertures backing plate, forming this kind of heat transferring medium can With the co-flow in parallel together in the heat-exchanger rig of a plurality of adjacent channels simultaneously, and the heat transferring medium that other mutually exchange heat still exists Flowed in single layer flow path and heat-exchanger rig that original alternately exchanges heat, in such heat exchange core body, the stream of one of which heat transferring medium Road quantity is more than the runner quantity of other heat transferring mediums, and the heat transferring medium for making mutually to exchange heat forms multi-layer flow channels and single layer flow path is handed over Alternately mutual septate heat transfer.
Each heat exchanger plates sheet spacing runner of composition heat exchange core body is highly identical, increases the runner of one of which heat transferring medium Quantity, the runner quantity of this kind of heat transferring medium are more than the runner quantity of other heat transferring mediums, make the heat transferring medium mutually to exchange heat not It is that single layer flow path is alternately successively adjacent to septate heat transfer to single layer flow path again, but forms multi-layer flow channels and single layer flow path is replaced The mutual septate heat transfer in ground.
It is different to form each heat exchanger plates sheet spacing runner height of heat exchange core body, its plate spacing stream of one of which heat transferring medium Road is highly more than other heat transferring mediums less than the plate spacing runner height of other heat transferring mediums, the runner quantity of this kind of heat transferring medium Runner quantity, the heat transferring medium for making mutually to exchange heat no longer is that single layer flow path is alternately successively adjacent to partition to single layer flow path and changed Heat, but multi-layer flow channels are formed to single layer flow path alternately mutual septate heat transfer.
It is different to form each heat exchanger plates sheet spacing runner height of heat exchange core body, its plate spacing stream of one of which heat transferring medium Road is highly more than other heat transferring mediums more than the plate spacing runner height of other heat transferring mediums, the runner quantity of this kind of heat transferring medium Runner quantity, the heat transferring medium for making mutually to exchange heat no longer is that single layer flow path is alternately successively adjacent to partition to single layer flow path and changed Heat, but multi-layer flow channels are formed to single layer flow path alternately mutual septate heat transfer.
In above-mentioned heat exchange core body, the liquid form of heat transferring medium is in angular flux, unilateral same-edge current both modes One kind, and the different liquid form of above two is mutually combined application.
There is backing plate form in the heat transferring medium corner apertures free air space formed on the plane periphery of angled hole plane of flattening, specifically answer Backing plate form has, the comb shape corner apertures backing plate of split adjacent distributions and closed corner apertures backing plate, conjuncted comb shape angle together Hole backing plate and closed corner apertures backing plate, the small open type corner apertures backing plate with the equal form-separating of heat transferring medium of split adjacent distributions and Closed corner apertures backing plate, the conjuncted small open type corner apertures backing plate with the equal form-separating of heat transferring medium and closed corner apertures pad together Plate, the opened type corner apertures backing plate of split adjacent distributions and closed corner apertures backing plate, conjuncted opened type corner apertures backing plate together and Closed corner apertures backing plate, the opened type corner apertures backing plate of split adjacent distributions and closed corner apertures backing plate add deflector, conjuncted one The opened type corner apertures backing plate and closed corner apertures backing plate risen adds one kind in this eight kinds of forms of deflector, and by above-mentioned eight kinds not Same backing plate form is mutually combined application.
In above-mentioned heat exchange core body, there is water conservancy diversion form in the runner between various heat exchange plates.
In above-mentioned heat exchange core body, there is no water conservancy diversion form in the runner between various heat exchange plates.
For heat-exchanger rig between heat exchange plate together with close-coupled, its heat-exchanger rig is corrugated form, fin configuration, row One kind in the concavo-convex bubble form of sequence, turbulence plate form, peg form, crimping form this six kinds of modes is shown, and will be above-mentioned Six kinds of different types of heat-exchanger rigs are mutually combined application.
In above-mentioned heat exchange core body, between the bezel that each heat exchange plate periphery sealingly connects, each heat exchange plate Between aspect, and between each the comb shape backing plate and the periphery of angled hole plane of flattening of close-coupled, each heat exchange plate and heat-exchanger rig Between, its form being coupled to each other refers to using a kind of progress in soldering, welding, bonding, sealing joint strip these four modes, with And above-mentioned four kinds different types of connection forms are mutually combined application.
The present invention has the advantages that:
1st, a kind of runner quantity of heat transferring medium and the heat exchange plate of respective numbers are increase only, that is, meets various heat exchange The heat exchange demand of medium, provide further relative savings the cost of product again.
2nd, because the inclined-plane at each heat exchange plate edge is continuously to be close together, the outer layer of every layer of heat transferring medium runner is made Sealing protection form is consistent, during a certain heat transferring medium is had compared with multiple flow passages quantity, can't reduce whole heat exchange The bearing capacity and anti-fatigue ability of device and heat exchange core body.
3rd, because newly-increased heat exchange plate and heat-exchanger rig and corner apertures backing plate etc. are former part form, thus do not increase Add the die cost for making new heat exchange plate and its part.
4th, the heat exchanger of this spline structure and heat exchange core body may be adapted to the mutual heat exchange of a variety of heat transferring mediums, particularly suitable for gas State and refrigerant, liquid and refrigerant, the heat transfer form between gaseous state and liquid.
5th, due to using corner apertures backing plate sealing and assembling form, it is possible to meet heat transferring medium to angular flux or one side The heat exchange mode of same-edge current.
Brief description of the drawings
Below with reference to accompanying drawing, the invention will be further described.
The type heat exchange plates of Fig. 12 and twice of 1 type heat exchange plate are layered on top of each other schematic diagram
Fig. 2 Fig. 4 A-A diagrammatic cross-sections
Fig. 3 Fig. 4 B-B diagrammatic cross-sections
The type heat exchange plate schematic diagrames of Fig. 41
Fig. 5 Fig. 7 C-C diagrammatic cross-sections
Fig. 6 Fig. 7 B1-B1 diagrammatic cross-sections
The type heat exchange plate schematic diagrames of Fig. 72
Fig. 8 2n types heat exchange plates and twice of 1n type heat exchange plates are layered on top of each other schematic diagram
Fig. 9 Figure 11 N-N diagrammatic cross-sections
Figure 10 Figure 11 B2-B2 diagrammatic cross-sections
Figure 11 1n type heat exchange plate schematic diagrames
Figure 12 Figure 14 M-M diagrammatic cross-sections
Figure 13 Figure 14 B3-B3 diagrammatic cross-sections
Figure 14 2n type heat exchange plate schematic diagrames
The heat exchange plate stacking schematic diagram of Figure 15 different plates thickness difference plate spacing runner height
The heat exchange plate stacking schematic diagram of the identical sheet metal thickness same plate spacing runner height of Figure 16
Embodiment
It is described further with reference to embodiment and diagram.
In the illustration of FIG. 1, X is set as a kind of gaseous heat transferring medium, and the liquid for setting Y as a kind of refrigerant evaporation turns to Gaseous heat transferring medium.First heat exchange plate of extreme higher position is 1 type heat exchange plate, with its it is front-seat close to 2 type heat exchanger plates Single runner is formd between piece, heat transferring medium X1 is from left to bottom right to angular flux.It is 2 according to second heat exchange plate of number is forward descended Type heat exchange plate, with its it is front-seat close to 1 type heat exchange plate between form single runner, heat transferring medium Y1 is from lower-left to upper right To angular flux.According to forward descending the 3rd heat exchange plate of number to be 1 type heat exchange plate, with its it is front-seat close to 1 type heat exchange plate between shape Into single runner, heat transferring medium X2 is from left to bottom right to angular flux.It is also the heat exchange of 1 type according to the 4th heat exchange plate of number is forward descended Plate, with its it is front-seat close to 2 type heat exchange plates between also form single runner, heat transferring medium X3 is diagonal from left to bottom right Stream, it can be seen that X2 and X3 is the same heat transferring medium of adjacent co-flow in parallel.According to forward descending the 5th heat exchange plate of number 2 type heat exchange plates, with its it is front-seat close to 1 type heat exchange plate between form single runner, heat transferring medium Y2 from lower-left to Upper right is to angular flux.According to forward descending the 6th heat exchange plate of number to be 1 type heat exchange plate, with its it is front-seat close to 1 type heat exchange plate it Between form single runner, heat transferring medium X4 is from left to bottom right to angular flux.It is that 1 type changes according to the 7th heat exchange plate of number is forward descended Hot plate piece, with its it is front-seat close to 2 type heat exchange plates between form single runner, heat transferring medium X5 is diagonal from left to bottom right Stream, it can be seen that X4 and X5 is the same heat transferring medium of adjacent co-flow in parallel.According to forward descending the 8th heat exchange plate of number 2 type heat exchange plates, with its it is front-seat close to 1 type heat exchange plate between form single runner, heat transferring medium Y3 from lower-left to Upper right is to angular flux.It is 1 type heat exchange plate according to forward lower last the 9th heat exchange plate of number, on the 1 type heat exchange plate Have heat-exchanger rig and corner apertures backing plate, with and other unillustrated heat exchange plates, or between thicker front apron also exist one Runner, the runner are heat transferring medium X6 single runners, and heat transferring medium X6 is from left to bottom right to angular flux.Above-mentioned nine heat exchanger plates Piece constitutes nine fluid streams together with being sequentially layered on top of each other with three 2 type heat exchange plates by six 1 type heat exchange plates respectively Road, wherein have three be heat transferring medium Y runner, have six be heat transferring medium X runner, and in the type heat exchange plate of each two 2 Between, heat transferring medium Y runner and two heat transferring medium X being connected in parallel runner can all occur, show to exchange heat Medium X runner quantity is 2 times of heat transferring medium Y.
Fig. 2 is expressed as the sectional view at 1 type heat exchange plate A-A in Fig. 4, wherein 1 represents heat exchange plate section, 3 represent It is closed corner apertures backing plate section, 4 represent one on through hole section and 1 type heat exchange plate in closed corner apertures backing plate 3 Plane corner apertures section, 5 represent a plane corner apertures section, and 6 represent comb shape backing plate section, comb shape backing plate 6 and closed corner apertures pad The thickness of plate 3 is identical, and identical with the thickness of heat-exchanger rig 7 in Fig. 3, is equal to H, and shows the bezel of heat exchange plate 1 Angle between bottom plate extended line is a, and the sheet metal thickness of the heat exchange plate 1 is h.
Fig. 3 is expressed as the sectional view at 1 type heat exchange plate B-B in Fig. 4, wherein 1 represents heat exchange plate section, 7 represent Highly it is H heat-exchanger rig section, and shows that the angle between the bezel of heat exchange plate 1 and bottom plate extended line is a, this is changed The sheet metal thickness of hot plate piece 1 is h.
What Fig. 4 was represented is 1 type heat exchange plate, wherein 3 represent it is closed corner apertures backing plate, 4 represent closed corner apertures backing plate 3 In through hole and 1 type heat exchange plate on the upper right corner a plane corner apertures, 5 represent the through hole and 1 in comb shape backing plates 6 A plane corner apertures in the upper left corner on type heat exchange plate, 7 represent heat-exchanger rig, because comb shape backing plate 6 does not have deflector, can recognize It is a kind of horizontally-arranged serrated fin for the heat-exchanger rig 7,3c represents have foraminate closed corner apertures backing plate, and 8 represent closing A plane corner apertures in the lower left corner on through hole and 1 type heat exchange plate in formula corner apertures backing plate 3c, 5c are represented in comb shape backing plate 6c A through hole and 1 type heat exchange plate on the lower right corner a plane corner apertures, heat transferring medium X is diagonal from left to bottom right Manifold formula, in Fig. 4, the comb shape corner apertures backing plate 6 and closed corner apertures backing plate 3 of split adjacent distributions, and split adjacent distributions Comb shape corner apertures backing plate 6c and closed corner apertures backing plate 3c, can distinguish and conjuncted form comb shape corner apertures and closed angle together The conjuncted backing plate in hole.
Fig. 5 is expressed as the sectional view at 2 type heat exchange plate A-A in Fig. 7, wherein 2 represent heat exchange plate section, 5d is represented For the section and a heavy-calibre planar corner apertures section of a closing large through-hole, 8e is expressed as the small through hole section of an opening And a small-bore plane corner apertures section, the passageway section that 10 expressions are connected with 8e, 9, which are expressed as big aperture conjoined pad plate, cuts open Face, in Figure 5, the height of big aperture conjoined pad plate 9 is the comb shape backing plate 6 and the thickness of closed corner apertures backing plate 3 in H, with Fig. 2 It is identical and identical with the heat-exchanger rig 7 in Fig. 3,6,7e thickness, H is equal to, and show the bezel of heat exchange plate 2 and bottom Angle between plate extended line is a, and the sheet metal thickness of the heat exchange plate 2 is h.
Fig. 6 is expressed as the sectional view at 2 type heat exchange plate B1-B1 in Fig. 7, wherein 2 represent heat exchange plate section, 7e tables Show that height is H heat-exchanger rig section, and show that the angle between the bezel of heat exchange plate 2 and bottom plate extended line is a, should The sheet metal thickness of heat exchange plate 2 is h.
What Fig. 7 was represented is 2 type heat exchange plates, and wherein 3e represents it is closed corner apertures backing plate, and 4e is represented in comb shape backing plate 6e A through hole and 2 type heat exchange plates on the upper right corner a plane corner apertures, 5e represents logical in closed corner apertures backing plate 3e Hole and a plane corner apertures in the 2 type heat exchange plate upper left corners, 7e represents heat-exchanger rig, because comb shape backing plate 6e does not have water conservancy diversion Plate, it is believed that heat-exchanger rig 7e is a kind of horizontally-arranged serrated fin, while is also believed that the heat-exchanger rig in 7e and Fig. 4 7 is different in fin specification, represents the serrated fin of the different size selected by various heat exchange medium, and 9 are expressed as greatly The conjuncted backing plate of aperture, 8e represent on big aperture conjoined pad plate 9 small through hole and the 2 type heat exchange plate lower left corners of opening One plane corner apertures, the passageway that 10 expressions are connected with 8e can play a part of respectively liquid phase refrigerant, and 5d is expressed as big aperture connection A plane corner apertures in a large through-hole closed and the 2 type heat exchange plate lower right corner on body backing plate 9, heat transferring medium Y are from a left side The diagonal manifold formula of upper right is arrived down, in the figure 7, the comb shape corner apertures backing plate 6e and closed corner apertures backing plate 3e of split adjacent distributions, Comb shape corner apertures and closed corner apertures synthesis backing plate can be formed together with conjuncted.
In Fig. 8 diagram, W is set as a kind of gaseous heat transferring medium, and the liquid for setting V as a kind of refrigerant evaporation turns to Gaseous heat transferring medium.First heat exchange plate of extreme higher position is n1 type heat exchange plates, with its it is front-seat close to 2n types exchange heat Form single runner between plate, heat transferring medium W1 same-edge currents from the top down.It is 2n according to second heat exchange plate of number is forward descended Type heat exchange plate, with its it is front-seat close to 1n type heat exchange plates between form single runner, heat transferring medium V1 is same from bottom to top Bian Liu.According to forward descending the 3rd heat exchange plate of number to be 1n type heat exchange plates, with its it is front-seat close to 1n type heat exchange plates between shape Into single runner, heat transferring medium W2 same-edge currents from the top down.It is also 1n type heat exchanger plates according to the 4th heat exchange plate of number is forward descended Piece, with its it is front-seat close to 2n type heat exchange plates between also form single runner, heat transferring medium W3 same-edge currents from the top down.Can To find out that W2 and W3 is the same heat transferring medium of adjacent co-flow in parallel.It is 2n types according to the 5th heat exchange plate of number is forward descended Heat exchange plate, with its it is front-seat close to 1n type heat exchange plates between form single runner, heat transferring medium V2 same sides from bottom to top Stream.According to forward descending the 6th heat exchange plate of number to be 1n type heat exchange plates, with its it is front-seat close to 1n type heat exchange plates between formed Single runner, heat transferring medium W4 same-edge current from the top down.According to forward descending the 7th heat exchange plate of number to be 1n type heat exchange plates, with Its it is front-seat close to 2n type heat exchange plates between form single runner, heat transferring medium W5 same-edge currents from the top down, it can be seen that W4 and W5 is the same heat transferring medium of adjacent co-flow in parallel.It is 2n type heat exchanger plates according to the 8th heat exchange plate of number is forward descended Piece, with its it is front-seat close to 1n type heat exchange plates between form single runner, heat transferring medium V3 same-edge currents from bottom to top.According to suitable It is 1n type heat exchange plates to count last the 9th heat exchange plate downwards, has heat-exchanger rig and angle on the 1n type heat exchange plates Hole backing plate, with and other unillustrated heat exchange plates, or a runner between thicker front apron also be present, the runner is to change Thermal medium W6 single runner, heat transferring medium w6 same-edge currents from the top down.Above-mentioned nine heat exchange plates are changed by six 1n types respectively Hot plate piece constitutes nine fluid courses together with being sequentially layered on top of each other with three 2n types heat exchange plates, wherein it is to change to have three Thermal medium V runner, there are six to be heat transferring medium W runner, and between each two 2n type heat exchange plates, can all occur one The runner of heat transferring medium V runner and two heat transferring medium W being connected in parallel, showing heat transferring medium W runner quantity is 2 times of heat transferring medium V.
Fig. 9 is expressed as the sectional view at the 1n type heat exchange plates N-N in Figure 11, and wherein 1n represents heat exchange plate section, and 12 Expression is conjuncted corner apertures backing plate, and 4n represents that one on through hole section and 1n type heat exchange plates in conjuncted corner apertures backing plate 12 is put down Face angle hole section, 5n represent a plane corner apertures section, and the thickness of conjuncted corner apertures backing plate 12 is H1, is as can be seen from Figure 9 put The thickness for putting the deflector 11 on plane corner apertures 5n neighboring areas is also H1, and with the heat-exchanger rig 7n thickness phases in Figure 10 Together, a is shown as the angle between heat exchange plate 1n bezels and bottom plate extended line, and heat exchange plate 1n sheet metal thickness is h1。
Figure 10 is expressed as the sectional view at the 1n type heat exchange plates B2-B2 in Figure 11, and wherein 1n represents heat exchange plate section, 7n represents that height is H1 heat-exchanger rig section, and shows the angle between heat exchange plate 1n bezels and bottom plate extended line For a, heat exchange plate 1n sheet metal thickness is h1.
What Figure 11 was represented is 1n type heat exchange plates, wherein 12 represent it is conjuncted corner apertures backing plate, is had on the right of the backing plate 12 The plane corner apertures 4n in one bigbore through hole 4n, through hole 4n and heat exchange plate the 1n upper right corner is engaged, through hole 4n peripheries Region be to prevent the heat transferring medium on the 1n type heat exchange plates from flowing into the through hole.There is one to open on the left side of the backing plate 12 Mouthful, the opening is engaged with the plane corner apertures 5n in the heat exchange plate 1n upper left corners, and the open purpose is in order that the 1n types exchange heat Heat transferring medium on plate is flowed into corner apertures 5n.11 expressions are corner apertures 5n deflectors, and 7n represents heat-exchanger rig, and 13 expressions are Another conjuncted corner apertures backing plate, there is a small-bore through hole 8n, through hole 8n and heat exchange plate 1n on the right of the backing plate 13 The plane corner apertures in the lower right corner is engaged, and the region on through hole 8n peripheries is to prevent the heat transferring medium on the 1n type heat exchange plates Flow into the through hole.There are an opening, the opening and the plane corner apertures 5m phases in the heat exchange plate 1n lower left corners on the left side of the backing plate 13 Coordinate, the open purpose is in order that the heat transferring medium on the 1n type heat exchange plates is flowed into corner apertures 5m.It is angle that 11n, which is represented, Hole 5m deflector, W represent that the heat transferring medium of unilateral same-edge current flows from the top down.
Figure 12 is expressed as the sectional view at the 2n type heat exchange plates M-M in Figure 14, and wherein 2n represents heat exchange plate section, 13b expressions are the conjuncted corner apertures backing plates of heat exchange plate 2n bottoms, and 5k represents the heavy caliber through hole section in conjuncted corner apertures backing plate 13b And a plane corner apertures section on 2n type heat exchange plates, 8b are expressed as the small through hole section and an osculum of an opening Footpath plane corner apertures section, 10b represent the passageway section being connected with 8e, and in fig. 12, conjuncted corner apertures backing plate 13b height is H2, It is identical with the heat-exchanger rig 7b thickness in Figure 13, H2 is equal to, and show heat exchange plate 2n bezels and bottom plate extended line Between angle be a, heat exchange plate 2n sheet metal thickness is h2.
Figure 13 is expressed as the sectional view at the 2n type heat exchange plates B3-B3 in Figure 14, and wherein 2n represents heat exchange plate section, 7b represents that height is H2 heat-exchanger rig section, and shows the angle between heat exchange plate 2n bezels and bottom plate extended line For a, heat exchange plate 2n sheet metal thickness is h2.
What Figure 14 was represented is 2n type heat exchange plates, and it is conjuncted corner apertures backing plate that wherein 12b, which is represented, on the backing plate 12b left side The plane corner apertures for having bigbore through hole 5b, through hole 5b and heat exchange plate 2n a upper left corner is engaged, through hole 5b peripheries Region be to prevent the heat transferring medium on the 2n type heat exchange plates from flowing into the through hole.There is one on the right of backing plate 12b Opening, the opening are engaged with the plane corner apertures 4b in the heat exchange plate 2n upper left corners, and the open purpose is in order that the 2n types change Heat transferring medium on hot plate piece is flowed into corner apertures 4b.11b expressions are corner apertures 4b deflectors, and 7b represents heat-exchanger rig, 13b tables Show it is another conjuncted corner apertures backing plate, have a small-bore open hole 8b on the right of backing plate 13b, through hole 8b is with changing The plane corner apertures in the hot plate piece 2n lower right corner is engaged, and 10b represents the passageway being connected with 8b, can play the work of respectively liquid phase refrigerant With 5k is expressed as the heavy caliber through hole of one, backing plate 13b left sides closing and a plane angle in the 2n type heat exchange plates lower left corner Hole, V represent that the heat transferring medium of unilateral same-edge current flows from bottom to top.
Figure 15 is the B2-B2 and heat exchange plate 1n and heat exchange plate 2n in two sectional views of B3-B3 in Figure 10 and Figure 13 Section is layered on top of each other together by Fig. 8 order, because heat exchange plate 1n is different from heat exchange plate 2n sheet metal thickness, heat exchanger plates Piece 1n sheet metal thickness h1 is thicker than heat exchange plate 2n sheet metal thickness h2, and heat-exchanger rig 7n, 7b height also differ, heat exchange Height H2s of the height H1 of heat-exchanger rig 7n on plate 1n higher than the heat-exchanger rig 7b on heat exchange plate 2n, so Figure 15 is represented Be a > h2 of different plates thickness h 1, various heat exchange device height and different plate spacing runner height H1 > H2 heat exchange core Body, and show the heat transferring medium in heat exchange core body and alternate ground septate heat transfer, form each heat exchange plate of heat exchange core body Plate spacing runner height is different, and its plate spacing runner of one of which heat transferring medium is highly more than the plate spacing stream of other heat transferring mediums Road height, this kind of heat transferring medium W runner quantity is twice of other heat transferring mediums V runner quantity.
Figure 16 be the heat exchange plate 1 and heat exchange plate 2 in Fig. 3 and Fig. 6 in B-B and two sectional views of B1-B1 section by Fig. 1 order is layered on top of each other together, is h because heat exchange plate 1 is identical with the sheet metal thickness of heat exchange plate 2, and the dress that exchanges heat It is highly identical to put 7,7e height and runner, is H, so what Figure 16 represented is an identical sheet material thickness h, same plate spacing Runner height H heat exchange core body, and show the heat transferring medium in heat exchange core body and alternate ground septate heat transfer, form heat exchange Each heat exchanger plates sheet spacing runner of core body is highly identical, and one of which heat transferring medium X runner quantity is other heat transferring mediums Y Twice of runner quantity.

Claims (5)

1. a kind of one of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages, including heat exchange core body, the heat exchange core Body is made up of multiple heat exchange plates for having bevel edge box-like and being layered on top of each other together, and each heat exchange plate is in chamfered edge edge Position is sealed from one another and is linked together, and has corner apertures at each heat exchange plate both ends, and the corner apertures on heat exchange plate is that plane distribution is being changed The bottom plate both ends of hot plate piece, each corner apertures and its periphery plane of flattening are same plane with the bottom plate of the heat exchange plate, are so had Bevel edge and the heat exchange plate in plane angle hole are stacked together, the heat transferring medium angle formed on the plane periphery of angled hole plane of flattening There is corner apertures backing plate in the free air space of hole, the height of the corner apertures backing plate is single runner height, in the runner of each heat exchange plate composition In have a heat-exchanger rig, the height of heat-exchanger rig it is identical with the height of corner apertures backing plate and with heat exchanger plates sheet spacing runner height phase Together, it is characterised in that each heat exchange plate thickness difference for forming heat exchange core body make it that heat exchanger plates sheet spacing runner height is different, With the mode of increase heat exchange plate and heat-exchanger rig, increase the runner quantity of one of which heat transferring medium, pass through corner apertures backing plate Effect, forms this kind of heat transferring medium co-flow in parallel together in the heat-exchanger rig of a plurality of adjacent channels simultaneously, and other phases The heat transferring medium mutually to exchange heat still flows in the former alternately single layer flow path and heat-exchanger rig of heat exchange, in such heat exchange core body, The runner quantity of one of which heat transferring medium is more than the runner quantity of other heat transferring mediums, and the heat transferring medium for making mutually to exchange heat is formed Multi-layer flow channels are to single layer flow path alternately mutual septate heat transfer.
2. heat exchanger according to claim 1, it is characterised in that its plate spacing runner of one of which heat transferring medium is highly small In the plate spacing runner height of other heat transferring mediums, the runner quantity of this kind of heat transferring medium is more than the runner number of other heat transferring mediums Amount, the heat transferring medium for making mutually to exchange heat no longer is that single layer flow path is alternately successively adjacent to septate heat transfer to single layer flow path, but Multi-layer flow channels are formed to single layer flow path alternately mutual septate heat transfer.
3. heat exchanger according to claim 1, it is characterised in that its plate spacing runner of one of which heat transferring medium is highly big In the plate spacing runner height of other heat transferring mediums, the runner quantity of this kind of heat transferring medium is more than the runner number of other heat transferring mediums Amount, the heat transferring medium for making mutually to exchange heat no longer is that single layer flow path is alternately successively adjacent to septate heat transfer to single layer flow path, but Multi-layer flow channels are formed to single layer flow path alternately mutual septate heat transfer.
4. heat exchanger according to claim 1, it is characterised in that close-coupled is one between heat-exchanger rig and heat exchange plate Rise, its heat-exchanger rig is corrugated form, fin configuration, the concavo-convex bubble form of aligned orderly, turbulence plate form, peg form, volume One kind in this six kinds of modes of side form, and above-mentioned six kinds of different types of heat-exchanger rigs are mutually combined application.
5. heat exchanger according to claim 1, it is characterised in that in above-mentioned heat exchange core body, on each heat exchange plate periphery With between the bezel of sealed attachment, between each heat exchange plate aspect, and each comb shape backing plate and corner apertures with close-coupled Between the plane of flattening of periphery, between each heat exchange plate and heat-exchanger rig, its form being coupled to each other refers to using soldering, welding, glued Connect, a kind of progress in sealing joint strip these four modes, and above-mentioned four kinds different types of connection forms are mutually combined should With.
CN201310439746.8A 2013-09-25 2013-09-25 One of medium mutually to exchange heat has the box-like stacking heat exchanger of multiple flow passages Active CN103499227B (en)

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CN107782180A (en) * 2016-08-31 2018-03-09 航天海鹰(哈尔滨)钛业有限公司 A kind of heat exchanger core for being used for more than three kinds fluid heat exchanges
CN106643238B (en) * 2016-11-17 2023-05-16 广东工业大学 Multistage liquid-separating plate type condenser
CN106482556B (en) * 2016-12-19 2023-07-21 缪志先 Box-shaped laminated heat exchanger with fins between corner holes and heat exchange device

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