KR102544468B1 - Multi-layer heat exchanger - Google Patents

Abstract

A multiple heat exchanger is disclosed. The multiple heat exchange device has a multi-layer structure, each layer includes a plurality of heat exchange passages arranged in a certain pattern and distributed in a horizontal direction of each layer, and the heat exchange passages of each layer correspond to each other in fluid communication. ; and distribution channels connected to both ends of each layer of the heat exchange unit in the stacking direction, having a multi-layer structure, and each layer increasing in number as it approaches the heat exchange unit, and distributing the first fluid and the second fluid to the plurality of heat exchange channels It is characterized in that it comprises a fluid distribution unit for distributing and injecting into.

Description

Multiple heat exchanger {MULTI-LAYER HEAT EXCHANGER}

The present invention relates to a multi-heat exchange device, which has a multi-layered structure and has an increased area participating in heat exchange.

In general, a heat exchanger may be used as a condenser or an evaporator in a refrigeration cycle device including a compressor, a condenser, an expansion device, and an evaporator. In addition, heat exchangers are installed in air conditioners and refrigerators to exchange heat between refrigerant and air.

The heat exchanger can be classified into a tubular heat exchanger, a plate heat exchanger, and the like according to a structural shape, and a tubular heat exchanger is generally most widely used.

Tubular heat exchangers are generally assembled from round tubes. Since the core shape of the heat exchanger can be easily changed according to the tube diameter, length, and arrangement, the heat exchanger has a degree of freedom when designing. These tubular heat exchangers include shell-and-tube heat exchangers, double-tube heat exchangers, and spiral tube heat exchangers.

The cylindrical shell and tube heat exchanger has a structure in which circular tubes are installed in a circular shell, and one fluid flows through the inside of the circular tube, and the other fluid flows across the circular tube or flows in parallel along the circular tube. It consists of

The double-tube heat exchanger is made of double tubes and assembled into a coil shape. One fluid flows through the inner tube and another fluid flows between the tubes in the opposite flow direction.

The spiral tube heat exchanger has a structure of one or more spiral tubes suitable for the shell. One fluid flows through the inner tube and another fluid flows between the tubes in the opposite flow direction.

Since heat exchange is performed through circular tubes, these heat exchangers have a problem in that the heat transfer efficiency is not high due to the small surface area where the heat exchange takes place, and it is not easy to manufacture because the circular tubes must be bent and configured continuously.

In addition, in the case of the cylindrical shell and tube heat exchanger and the double tube heat exchanger, when the fluid flows, the heat is quickly transferred to the shell or the exterior, so the heat of the fluid is taken away, and the heat exchange efficiency between the fluids crossing each other is lowered. there is Therefore, if the size of the heat exchanger is reduced, effective heat exchange cannot be achieved, making it difficult to manufacture in a compact size.

Therefore, an object to be solved by the present invention is to provide a multi-heat exchange device capable of increasing heat exchange capacity even with a small size by expanding the area participating in heat exchange between the first fluid and the second fluid through.

Another object is to provide a multi-heat exchange device capable of increasing heat exchange efficiency by increasing heat transfer efficiency in a horizontal direction by blocking heat transfer in a vertical direction in which a first fluid and a second fluid move.

The multiple heat exchange device according to the present invention has a multilayer structure, each layer includes a plurality of heat exchange passages arranged in a certain pattern and distributed in the horizontal direction of each layer, and the heat exchange passages of each layer correspond to each other in fluid communication , heat exchange unit; and distribution channels connected to both ends of each layer of the heat exchange unit in the stacking direction, having a multi-layer structure, and each layer increasing in number as it approaches the heat exchange unit, and distributing the first fluid and the second fluid to the plurality of heat exchange channels It is characterized in that it comprises a fluid distribution unit for distributing and injecting into.

In one embodiment, the fluid distribution unit has a first pipe connection hole into which one end of the pipe for transporting the first fluid is inserted and a second pipe connection hole into which one end of the pipe for transporting the second fluid is inserted. a first distribution layer; A first distribution passage that is laminated on the first distribution layer and fluidly connects the first pipe connection hole and a part of the plurality of heat exchange passages, and the second pipe connection hole and the remaining part of the plurality of heat exchange passages. It may include a second distribution layer including a second distribution passage connecting the fluid communication is possible.

In one embodiment, the fluid distribution unit has a first pipe connection hole into which one end of the pipe for transporting the first fluid is inserted and a second pipe connection hole into which one end of the pipe for transporting the second fluid is inserted. a first distribution layer; A first distribution passage stacked on the first distribution layer, corresponding to the first pipe connection hole and extending in a horizontal direction, and a second distribution passage corresponding to the second pipe connection hole and extending in a horizontal direction. A second distribution layer having a; and n or more additional distribution layers stacked after the second distribution layer and having a plurality of distribution passages connecting the first distribution passage and the second distribution passage to the plurality of heat exchange passages. Said n is a natural number of 1 or more.

In one embodiment, the n or more additional distribution layers are stacked on the second distribution layer, extend in a direction perpendicular to the longitudinal direction of the first distribution passage, and are arranged in the longitudinal direction of the first distribution passage. one side of which extends in a direction perpendicular to the lengthwise direction of the plurality of third distribution passages and the second distribution passage corresponding to the first distribution passage, and is arranged in the longitudinal direction of the second distribution passage, so that one side thereof is the second distribution passage. a third distribution layer including a plurality of fourth distribution passages corresponding to the passages; A plurality of fifth distribution channels stacked on the third distribution layer, arranged along the longitudinal direction of the third distribution passage and the fourth distribution passage, and distributed correspondingly to the plurality of third distribution passage and the plurality of fourth distribution passage. a fourth distribution layer including a distribution passage; and a fifth distribution layer stacked on the fourth distribution layer and including one of the plurality of fifth distribution passages and a plurality of sixth distribution passages corresponding to 1+n of the plurality of heat exchange passages. can Said n is a natural number of 1 or more.

In one embodiment, the second distribution layer and the third distribution layer may be composed of one plate, and the fourth distribution layer and the fifth distribution layer may be composed of one plate.

In one embodiment, the layers of the heat exchange unit may have a structure in which a heat exchange plate made of a material having high thermal conductivity and an insulating plate made of a heat insulating material are alternately stacked.

The multi-heat exchange device according to the present invention can increase the area involved in heat exchange between the first fluid and the second fluid, and thus has the advantage of increasing the heat exchange capacity even with a small size.

In addition, there is an advantage in that the heat exchange efficiency can be increased by increasing the heat transfer efficiency in the horizontal direction by blocking heat transfer in the vertical direction in which the first fluid and the second fluid move.

In addition, there is an advantage in that manufacturing of the heat exchange device is simplified and costs required for manufacturing can be reduced.

1 is an exploded perspective view for explaining a multi-heat exchange device according to a first embodiment of the present invention.
FIG. 2 is a view showing an arrangement between distribution channels of one fluid distribution unit shown in FIG. 1 and a plurality of heat exchange channels of a heat exchange unit.
3 is an exploded perspective view for explaining a multi-heat exchange device according to a second embodiment of the present invention.
FIG. 4 is a view illustrating an arrangement between distribution channels of one fluid distribution unit shown in FIG. 3 and a plurality of heat exchange channels of a heat exchange unit.
5 is a perspective view showing the appearance of a multi-heat exchange device according to the present invention.

Hereinafter, a multi-heat exchange device according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. Since the present invention can have various changes and various forms, specific embodiments will be illustrated in the drawings and described in detail in the text. However, it should be understood that this is not intended to limit the present invention to the specific disclosed form, and includes all modifications, equivalents, and substitutes included in the spirit and scope of the present invention. Like reference numerals have been used for like elements throughout the description of each figure. In the accompanying drawings, the dimensions of the structures are shown enlarged than actual for clarity of the present invention.

Terms such as first and second may be used to describe various components, but the components should not be limited by the terms. These terms are only used for the purpose of distinguishing one component from another. For example, a first element may be termed a second element, and similarly, a second element may be termed a first element, without departing from the scope of the present invention.

Terms used in this application are only used to describe specific embodiments, and are not intended to limit the present invention. Singular expressions include plural expressions unless the context clearly dictates otherwise. In this application, terms such as "comprise" or "have" are intended to designate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features It should be understood that it does not preclude the possibility of the presence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and unless explicitly defined in the present application, they should not be interpreted in an ideal or excessively formal meaning. don't

1 is an exploded perspective view for explaining a multi-heat exchange device according to a first embodiment of the present invention, and FIG. 2 is an arrangement between distribution channels of one fluid distribution unit shown in FIG. 1 and a plurality of heat exchange channels of a heat exchange unit. FIG. 3 is an exploded perspective view for explaining a multiple heat exchange device according to a second embodiment of the present invention, and FIG. 4 is an arrangement between distribution channels of one side fluid distribution unit shown in FIG. 3 and a plurality of heat exchange channels of the heat exchange unit. Figure 5 is a perspective view showing the appearance of the multi-heat exchange device according to the present invention.

1 to 5, the multiple heat exchange device according to the present invention is provided with a heat exchange unit 100 having a multi-layer structure, and fluid distribution units 200 and 200 are provided at both ends of each layer of the heat exchange unit 100 in the stacking direction. ') constitutes a structure in which each is placed.

Each layer of the heat exchange unit 100 includes a plurality of heat exchange passages 101 arranged in a certain pattern and distributed in the horizontal direction of each layer, and the heat exchange passages 101 of each layer can correspond to each other in fluid communication. there is. The heat exchanging passages 101 of each layer may be continuous in the stacking direction of each layer and correspond to each other in fluid communication with the stacking direction of each layer. For example, the heat exchange passages 101 may be arranged in a first direction and in a second direction perpendicular to the first direction to form a dot-shaped distribution structure.

The fluid distribution units 200 and 200' also have a multi-layered structure, and each layer allows the first fluid to move through a part of the plurality of heat exchange passages 101 and allows the second fluid to move through the remaining part of the plurality of heat exchange passages 101. Distributing passages 221, 222, 321, 322, 331, 332, 341, and 351 to move may be included. That is, each layer of the fluid distribution unit (200, 200') provides a plurality of heat exchange channels (101) of the heat exchange unit (100) through a structure including distribution channels, the number of which increases as the number is increased closer to the heat exchange unit (100). The first fluid and the second fluid may be distributed and injected.

Example 1

Referring to FIGS. 1 and 2 , in the first embodiment, the fluid distribution units 200 and 200 ′ may include a first distribution layer 210 and a second distribution layer 220 .

The first distribution layer 210 includes a first pipe connection hole 211 into which one end of the first fluid pipe 410 for transporting the first fluid is inserted and a second fluid pipe 420 for transporting the second fluid. It may include a second pipe connection hole 212 into which one end is inserted. At this time, the first pipe connection hole 211 and the second pipe connection hole 212 are spaced a certain distance apart in the horizontal direction.

The second distribution layer 220 is laminated on the first distribution layer 210, so that the first pipe connection hole 211 and a portion of the plurality of heat exchange passages 101 are fluidly connected, and the second pipe connection hole Distributing channels 221 and 222 may be included so that the heat exchange channel 212 and the remaining portions of the plurality of heat exchange channels 101 are fluidly connected to each other.

For example, the second distribution layer 220 includes a first expansion part 221a extending in a horizontal direction parallel to a first direction or a second direction in which the plurality of heat exchange passages 101 are arranged, and the first expansion part 221a. A first distribution passage 221 extending from 221a in a direction perpendicular to the first extension 221a and including a plurality of first branch portions 221b arranged along the first extension 221a, 1. A second extension 222a positioned apart from the extension 221a and extending parallel to the first extension 221a, and a direction perpendicular to the second extension 222a from the second extension 222a. It may include a second distribution passage 222 extending to and including a plurality of second branch parts 222b arranged along the second expansion part 222a. In this case, the first expansion part 221a may correspond to the first pipe connection hole 211, the second expansion part 222a may correspond to the second pipe connection hole 212, and the plurality of first pipe connection holes 212 may correspond to each other. The branching parts 221b may correspond to some of the plurality of heat exchange passages 101 , and the plurality of second branch parts 222b may correspond to the remaining parts of the plurality of heat exchange passages 101 .

In this first embodiment, movement of the first fluid occurs when the first fluid is injected from the first fluid pipe 410 connected to the first pipe connection hole 211 of the fluid distribution unit 200 on one side of the first distribution layer. The first fluid is introduced into the first pipe connection hole 211 of the 210, and then the first fluid flows along the first extension 221a of the first distribution passage 221 of the second distribution layer 220. While moving, it is distributed and moved to a plurality of first branch parts 221b, and then the first fluid is transferred to each first branch part 221b in one layer of the heat exchange unit 100 that faces the second distribution layer 220. After flowing into a part of the plurality of heat exchange passages 101 corresponding to , it moves along the heat exchange passages 101 of the lower layers of the heat exchange unit 100 located coaxially with the part of the heat exchange passages 101, and then 1 fluid is collected in the first branch parts 221b of the second distribution layer 220 of the other fluid distribution parts 200 and 200' and then collected in the first expansion part 221a while being collected in the first expansion part ( 221a may be injected into the first pipe connection hole 211 of the first distribution layer 210, and may be discharged through the first fluid pipe 410 connected to the first pipe connection hole 211.

The movement of the second fluid occurs when the second fluid is injected from the second fluid pipe 420 connected to the second pipe connection hole 212 of the fluid distribution unit 200' on the other side. A second fluid is introduced into the pipe connection hole 212, and then the second fluid moves along the second expansion part 222a of the second distribution channel 222 of the second distribution layer 220, and the plurality of second fluids Distributed and moved to the branch portion 222b, the second fluid then exchanges a plurality of heats corresponding to each second branch portion 222b in one layer of the heat exchange unit 100 that faces the second distribution layer 220. After being introduced into another part of the flow path 101, it moves along the heat exchange flow path 101 of the lower layers of the heat exchange unit 100 located coaxially with the other part of the heat exchange flow path 101, and then the second fluid flows to the other side. After being collected in the second branching parts 222b of the second distribution layer 220 of the fluid distribution parts 200 and 200', the fluid is collected in the second expansion part 222a while being collected in the second expansion part 222a. It may be injected into the second pipe connection hole 212 of the first distribution layer 210 and discharged through the second fluid pipe 420 connected to the second pipe connection hole 212 .

Second embodiment

3 and 4, in the second embodiment, the fluid distribution units 300 and 300' include a first distribution layer 310, a second distribution layer 320 and n or more additional distribution layers 330. , 340, 350) may be included.

The first distribution layer 310 includes a first pipe connection hole 311 into which one end of the first fluid pipe 410 for transporting the first fluid is inserted and a second fluid pipe 420 for transporting the second fluid. It may include a second pipe connection hole 312 into which one end is inserted. At this time, the first pipe connection hole 311 and the second pipe connection hole 312 are spaced a certain distance apart in the horizontal direction.

The second distribution layer 320 is laminated on the first distribution layer 310, and the first distribution passage 321 and the second pipe connection hole correspond to the first pipe connection hole 311 and extend in length in the horizontal direction. It may include a second distribution passage 322 corresponding to 312 and extending in length in the horizontal direction.

N or more additional distribution layers 330, 340, 350 are stacked after the second distribution layer 320, and the first distribution passage 321 and the second distribution passage 322 are connected to the plurality of heat exchange passages 101. It may include a plurality of distribution passages (331, 332, 341, 351) connected to the. Here, n is a natural number greater than or equal to 1.

In one embodiment, the n or more additional distribution layers 330 , 340 , 350 may include a third distribution layer 330 , a fourth distribution layer 340 and a fifth distribution layer 350 .

The third distribution layer 330 is stacked on the second distribution layer 320 and may include a plurality of third distribution passages 331 and a plurality of fourth distribution passages 332 .

The plurality of third distribution passages 331 extend in a direction perpendicular to the longitudinal direction of the first distribution passage 321 and are arranged in the longitudinal direction of the first distribution passage 321 so that one side thereof is the first distribution passage 321 can correspond to

The plurality of fourth distribution passages 332 extend in a direction perpendicular to the longitudinal direction of the second distribution passage 322 and are arranged in the longitudinal direction of the second distribution passage 322 so that one side thereof is the second distribution passage 322. can correspond to

The third distribution passage 331 and the fourth distribution passage 332 may be alternately disposed within a spaced distance from the first distribution passage 321 and the second distribution passage 322 .

The fourth distribution layer 340 is stacked on the third distribution layer 330 and may include a plurality of fifth distribution passages 341 .

The plurality of fifth distribution passages 341 are arranged along the longitudinal direction of the third distribution passage 331 and the fourth distribution passage 332, and the plurality of third distribution passages 331 and the plurality of fourth distribution passages ( 332) can be distributed accordingly. For example, the plurality of fifth distribution passages 341 are formed to have a smaller width than the widths of the plurality of third distribution passages 331 and the plurality of fourth distribution passages 332, so that the plurality of third distribution passages 331 And it can be arranged and distributed within the length of each of the plurality of fourth distribution channels 332 .

The fifth distribution layer 350 is stacked on the fourth distribution layer 340 and may include a plurality of sixth distribution passages 351 .

Each of the plurality of sixth distribution passages 351 may be horizontally distributed to correspond to one of the plurality of fifth distribution passages 341 and 1+n of the plurality of heat exchange passages 101 . Said n is a natural number of 1 or more. For example, each of the sixth distribution passages 351 may be narrower than the width of the fifth distribution passages 341, the length is longer than each of the fifth distribution passages 341, and 3 to 6 heat exchange passages 101 ) can correspond to

In the arrangement structure of the third to fifth distribution layers 330, 340, and 350 and the third to sixth distribution passages 331, 332, 341, and 351, the plurality of sixth distribution passages 351 are a plurality of the third to sixth distribution passages 351. It has a structure extending in a direction perpendicular to the three distribution passages 331 and the plurality of fourth distribution passages 332, and the plurality of sixth distribution passages 351 extends in a direction perpendicular to the plurality of third distribution passages 331 and the plurality of fourth distribution passages 331. It is provided with a smaller size than the four distribution passages 332 and has a more dense distribution form. In this case, when the sixth distribution passage 351 directly corresponds to the plurality of third distribution passages 331 and the plurality of fourth distribution passages 332, the plurality of third distribution passages 331 and the plurality of fourth distribution passages 331 It is difficult to achieve effective fluid distribution to each of the distribution passages 332 . That is, each of the fluids passing through the plurality of third distribution passages 331 and the plurality of fourth distribution passages 332 may be introduced into one or more of the plurality of sixth distribution passages 351 at the same time, so that each of the sixth distribution passages 351 Effective fluid distribution to the flow path 351 may be difficult to achieve.

However, a structure in which the plurality of fifth distribution passages 341 correspond to the plurality of third distribution passages 331 and the plurality of fourth distribution passages 332 and simultaneously correspond to each of the plurality of sixth distribution passages 351. As configured to have a plurality of fifth distribution passages 341, each fluid passing through the plurality of third distribution passages 331 and the plurality of fourth distribution passages 332 is distributed to each of the sixth distribution passages 351. The fluid passing through the plurality of third distribution passages 331 without being joined at the same time is distributed and supplied only as part of the plurality of sixth distribution passages 351, and the fluid passing through the plurality of fourth distribution passages 332 By providing a fluid supply route that can be distributed and supplied only to the other portion of the plurality of sixth distribution passages 351, accurate and efficient fluid distribution to the distribution passages increased in small size can be achieved.

Therefore, even if the distribution layer is further increased, if a distribution passage serving as a switch is disposed between the distribution passages such as the fifth distribution passage 341 between the distribution passages, the heat exchange passage of the heat exchange unit 100 ( 101) in micro sizes.

In this second embodiment, the movement of the first fluid is injected through the first fluid pipe 410 connected to the fluid distribution parts 300 and 300' on one side, and then the fluid distribution parts 300 and 300' on one side. The fluid is distributed through a plurality of streams and supplied to the heat exchange unit 100, then passes through the heat exchange unit 100, and is then collected by the other fluid distribution units 300 and 300', and then the other fluid distribution unit 300. , 300 ') is discharged through the first fluid pipe 410 connected.

That is, when the fluid is distributed to a plurality of streams through the fluid distribution units 300 and 300' on one side, from the first fluid pipe 410 connected to the first pipe connection hole 311 of the first distribution layer 310. When the first fluid is injected, the first fluid flows into the first pipe connection hole 311 of the first distribution layer 310, and then the first fluid flows through the first distribution passage 321 of the second distribution layer 320. While moving and spreading along the longitudinal direction of the third distribution layer 330, the first fluid flows into some of the plurality of third distribution passages 331, and then the first fluid flows in the longitudinal direction of some of the plurality of third distribution passages 331. As it moves along and spreads, it flows into some of the plurality of fifth distribution passages 341 of the fourth distribution layer 340 corresponding to the third distribution passages 331 of each part, and then the first fluid flows into each of the respective Passing through some of the fifth distribution passages 341 and flowing into some of the plurality of sixth distribution passages 351 of the fifth distribution layer 350, the first fluid then passes through each of the parts of the sixth distribution passages 351. From one layer of the heat exchange unit 100 that faces the fifth distribution layer 350 while moving and spreading along the longitudinal direction of the part of the heat exchange passage 101 corresponding to each part of the sixth distribution passage 351 is introduced

Subsequently, the first fluid moves along the heat exchange passages 101 of the lower layers of the heat exchange section 100 positioned coaxially with some of the heat exchange passages 101 in the heat exchange section 100 .

Subsequently, the first fluid is sequentially supplied from the other fluid distribution units 300 and 300' to some of the sixth distribution passages 351 of the fifth distribution layer 350 and the fourth distribution layer 340. To the first distribution passage 321 of the second distribution layer 320 via a part of the plurality of fifth distribution passages 341 and a part of the plurality of third distribution passages 331 of the third distribution layer 330. After being collected, it is introduced into the first fluid pipe 410 through the first pipe connection hole 311 of the first distribution layer 310 and then discharged.

On the other hand, the movement of the second fluid is injected through the second fluid pipe 420 connected to the fluid distribution parts 300 and 300' on the other side, and then a plurality of fluids pass through the other fluid distribution parts 300 and 300'. Distributed to the stem, supplied to the heat exchange unit 100, then passed through the heat exchange unit 100, then collected by the fluid distribution unit 300, 300' on one side, and then the fluid distribution unit 300, 300' on one side It is discharged through the second fluid pipe 420 connected to.

That is, when the fluid is distributed to a plurality of streams through the fluid distribution units 300 and 300' on the other side, from the second fluid pipe 420 connected to the second pipe connection hole 312 of the first distribution layer 310. When the second fluid is injected, the second fluid flows into the second pipe connection hole 312 of the first distribution layer 310, and then the second fluid passes through the second distribution passage 322 of the second distribution layer 320. While moving and spreading along the longitudinal direction of the third distribution layer 330, the plurality of fourth distribution passages 332 are introduced into the other remainder of the plurality of distribution passages 332, and then the second fluid flows into the rest of the plurality of fourth distribution passages 332. While moving and spreading along the longitudinal direction of the portion, it flows into the remaining portion of the plurality of fifth distribution channels 341 of the fourth distribution layer 340 corresponding to the fourth distribution channels 332 of each other remaining portion, Then, the second fluid passes through each of the remaining fifth distribution channels 341 and flows into another remaining portion of the plurality of sixth distribution channels 351 of the fifth distribution layer 350, and then the second fluid In one layer of the heat exchange unit 100 that faces the fifth distribution layer 350 while moving and spreading along the longitudinal direction of the sixth distribution passage 351 of each other remaining part, the sixth of each other remaining part It flows into the remaining part of the heat exchange passage 101 corresponding to the distribution passage 351 .

Subsequently, the second fluid moves along the heat exchange passages 101 of the lower layers of the heat exchange section 100 positioned coaxially with the remaining part of the heat exchange passages 101 in the heat exchange section 100 .

Subsequently, the second fluid flows through the remaining part of the plurality of sixth distribution passages 351 of the fifth distribution layer 350 and the fourth distribution layer 340 sequentially in the fluid distribution units 300 and 300' on one side. The second distribution of the second distribution layer 320 via the remaining part of the plurality of fifth distribution passages 341 and the remaining part of the plurality of fourth distribution passages 332 of the third distribution layer 330 After being collected in the flow path 322, it is introduced into the second fluid pipe 420 through the second pipe connection hole 312 of the first distribution layer 310 and then discharged.

As such, the first fluid and the second fluid may exchange heat while proceeding in opposite directions.

Meanwhile, the layers of the heat exchange unit 100 of the multi-heat exchange device according to the present invention may have a structure in which the heat exchange plate 110 made of a material with high thermal conductivity and the insulation plate 120 made of a heat insulating material are alternately laminated. In this case, heat conducted in the horizontal direction in each heat exchange plate 110 is maintained, and heat transfer in the stacking direction of the heat exchange unit 100, that is, in the direction of flow of the fluid is blocked, so that the heat transfer of the fluid occurs in the direction of flow of the fluid. It is possible to prevent deterioration in heat exchange efficiency between fluids that rapidly diffuse and pass through each other. For example, the heat exchange plate 110 may be made of any one of graphene, diamond, and metal, and the heat insulating plate 120 may be composed of any one of inorganic materials such as glass wool and organic materials such as urethane foam.

On the other hand, the layers of the fluid distribution parts 300 and 300' of the multiplex heat exchange device according to the present invention may be composed of a single plate, or the second distribution layer 320 and the third distribution layer 330 may be composed of a single plate. It is composed of a plate, and the fourth distribution layer 340 and the fifth distribution layer 350 may be composed of one plate.

The multiple heat exchange device according to the present invention forms a plurality of heat exchange passages 101 that are widely distributed in the horizontal direction in the heat exchange unit 100 and extend along the longitudinal direction of the heat exchange unit 100, and the first fluid and the second fluid The first fluid and the second fluid pass through distribution passages 221, 222, 321, 322, 331, 332, 341, 351, the number of which gradually increases in the direction of the plurality of heat exchange passages 101, to the plurality of heat exchange passages 101. Through a structure in which two fluids are injected, an area participating in heat exchange between the first fluid and the second fluid can be widened, and thus the heat exchange capacity can be increased even with a small size.

In addition, since the heat exchange unit 100 has a structure in which a heat exchange plate 110 having high thermal conductivity and an insulation plate 120 capable of insulating are alternately stacked, the stacking direction of the layers of the heat exchange unit 100, that is, the first fluid and the second fluid There is an advantage in that heat exchange efficiency can be increased by increasing the heat transfer efficiency in the horizontal direction by blocking heat transfer in the vertical direction in which the fluid moves.

Meanwhile, a plurality of heat exchange passages 101 formed in each layer of the heat exchange unit 100 and a plurality of distribution passages 221, 222 formed in each layer of the fluid distribution units 200, 200', 300, 300' 321, 322, 331, 332, 341, 351) may be in the form of hole processing, and in this case, since it can be manufactured in the form of press processing the hole in the plate, the heat exchange unit 100 and the fluid distribution unit 300, 300' ), it is easy to form a flow path, and accordingly, the manufacturing of the heat exchange device is simplified, and there is an advantage in that the manufacturing cost can be reduced.

The description of the presented embodiments is provided to enable any person skilled in the art to use or practice the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments without departing from the scope of the present invention. Thus, the present invention is not to be limited to the embodiments presented herein, but is to be construed in the widest scope consistent with the principles and novel features presented herein.

Claims (6)

a heat exchange unit having a multilayer structure, each layer including a plurality of heat exchange channels arranged in a predetermined pattern and distributed in a horizontal direction of each layer, and the heat exchange channels of each layer corresponding to each other in fluid communication; and
It is connected to both ends of each layer of the heat exchange unit in the stacking direction, has a multi-layered structure, and each layer includes distribution channels whose number increases as they get closer to the heat exchange unit, so that the first fluid and the second fluid are supplied to the plurality of heat exchange channels Including a fluid distribution unit for distributing and injecting,
The fluid distribution unit,
a first distribution layer having a first pipe connection hole into which one end of a pipe for transporting a first fluid is inserted and a second pipe connection hole into which one end of a pipe for transporting a second fluid is inserted;
A first distribution passage stacked on the first distribution layer, corresponding to the first pipe connection hole and extending in length in the horizontal direction, and corresponding to the second pipe connection hole and extending in length in the horizontal direction, the first distribution passage a second distribution layer having a second distribution passage parallel to the passage;
A plurality of third distribution layers stacked on the second distribution layer, extending in a direction perpendicular to the longitudinal direction of the first distribution passage, and arranged in the longitudinal direction of the first distribution passage, one side of which corresponds to the first distribution passage. A plurality of channels extending in a direction perpendicular to the longitudinal direction of the passage and the second distribution passage, parallel to the plurality of third distribution passages, and arranged in the longitudinal direction of the second distribution passage, one side of which corresponds to the second distribution passage. a third distribution layer including a fourth distribution passage;
It is laminated on the third distribution layer, extends in a direction perpendicular to the longitudinal directions of the third distribution passage and the fourth distribution passage, and is arranged along the longitudinal direction of the third distribution passage and the fourth distribution passage, and the plurality of a fourth distribution layer including a plurality of fifth distribution passages distributed corresponding to the third distribution passage and the plurality of fourth distribution passages; and
A fifth distribution layer laminated on the fourth distribution layer and including one of the plurality of fifth distribution passages and a plurality of sixth distribution passages corresponding to 1+n of the plurality of heat exchange passages;
The width of the distribution passages decreases and the number of distribution passages increases from the first distribution passage to the sixth distribution passage, so that the number of distribution passages becomes smaller and closer to the heat exchange passage.
wherein n is a natural number greater than or equal to 1;
Multiple heat exchangers. delete delete delete According to claim 1,
The second distribution layer and the third distribution layer are composed of one plate,
The fourth distribution layer and the fifth distribution layer are composed of one plate,
Multiple heat exchangers. According to claim 1 or 5,
The layers of the heat exchange unit have a structure in which heat exchange plates made of any one of graphene, diamond, and metal, and insulating plates made of any one of glass wool and urethane foam are alternately laminated. ,
Multiple heat exchangers.

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