CN219714112U - Heat exchange module and heat exchanger core with unevenly distributed cold and hot plates - Google Patents
Heat exchange module and heat exchanger core with unevenly distributed cold and hot plates Download PDFInfo
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- CN219714112U CN219714112U CN202321337559.4U CN202321337559U CN219714112U CN 219714112 U CN219714112 U CN 219714112U CN 202321337559 U CN202321337559 U CN 202321337559U CN 219714112 U CN219714112 U CN 219714112U
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- 238000009792 diffusion process Methods 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 238000012546 transfer Methods 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 7
- 239000001307 helium Substances 0.000 description 7
- 229910052734 helium Inorganic materials 0.000 description 7
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 7
- DDTVVMRZNVIVQM-UHFFFAOYSA-N 2-(1-azabicyclo[2.2.2]octan-3-yloxy)-1-cyclopentyl-1-phenylethanol;hydrochloride Chemical compound Cl.C1N(CC2)CCC2C1OCC(O)(C=1C=CC=CC=1)C1CCCC1 DDTVVMRZNVIVQM-UHFFFAOYSA-N 0.000 description 4
- 230000000704 physical effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000001259 photo etching Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A heat exchange module with unevenly distributed cold and hot plates and a heat exchanger core body belong to the technical field of compact heat exchangers. The utility model solves the problem that the prior heat exchanger core body adopting the cold and hot plates with equal quantity can not be suitable and economically matched with the heat exchange area of the cold and hot sides. The heat exchange plate comprises a plurality of groups of heat exchange plate groups which are sequentially arranged from top to bottom, each group of heat exchange plate groups comprises a heat plate and two cold plates which are respectively positioned on the upper side and the lower side of the heat plate, a plurality of first channels are respectively formed in the lower surface of each heat plate, two open ends of each first channel are respectively positioned at the front end and the rear end of the heat plate, a plurality of second channels are respectively formed in the lower surface of each cold plate, and two open ends of each second channel are respectively positioned at the left end and the right end of the cold plate. Through adopting one deck hot plate, the heat transfer area of cold and hot side is effectively matchd to the arrangement form of two-layer cold plate, compares with current heat transfer module, and structural design is more economical reasonable.
Description
Technical Field
The utility model relates to a heat exchange module with unevenly arranged cold and hot plates and a heat exchanger core body, and belongs to the technical field of compact heat exchangers.
Background
A printed circuit board type heat exchanger (PCHE, hereinafter referred to as PCHE) is taken as a micro-channel compact type plate heat exchanger, has the advantages of high pressure resistance, super high efficiency, low pressure drop, high compactness, corrosion resistance, long service life and the like, is suitable for the compact arrangement requirements of heat exchange equipment in various fields, and is an ideal type of high-efficiency low-flow-resistance heat exchanger.
The high-efficiency low-flow-resistance heat exchanger has various heat exchange media, covers various media such as helium, air, nitrogen, carbon dioxide and the like, is widely applied to heat exchange equipment in the industries such as metallurgy, energy and the like, and generally has the operating temperature of 700-800 ℃.
Helium is used as an inert gas, and has high viscosity, low specific gravity and high adiabatic index compared with the physical properties of air, and the constant pressure specific heat is relatively stable in a wide temperature range, about 5 times of the air, and the specific heat ratio is 1.2 times of the air. Helium is therefore a relatively stable heat exchange medium compared to air, which has a much higher heat exchange capacity than air.
PCHE is formed by processing a metal plate into a heat exchange plate with a medium flow channel through a photochemical etching process, and generally, a layer of cold plates and a layer of hot plates are alternately arranged, each heat exchange module is formed through a vacuum diffusion welding technology, and a micro channel is formed to enable a heat exchange medium to flow through to complete heat exchange, so that the PCHE has the characteristics of super high efficiency and low flow resistance.
When the cold and hot side media are air and helium respectively, the heat exchange coefficients of the cold and hot sides, which are similar to the two side media with similar physical properties, can be calculated, namely the heat exchange areas calculated by the cold and hot sides are similar, and finally the same number of cold and hot plates can be selected. Because the physical properties of air and helium are different in order of magnitude, the heat transfer difference between two sides is large, and the calculated heat exchange areas of the cold and hot sides are huge, the existing heat exchange module adopting the cold and hot plates with the same number cannot be matched with the heat exchange areas of the cold and hot sides properly and economically.
Disclosure of Invention
The utility model aims to solve the technical problem that the prior heat exchanger core body adopting the cold and hot plates with the same number cannot be properly and economically matched with the heat exchange area of the cold and hot sides, and further provides a heat exchange module with unevenly arranged cold and hot plates and a heat exchanger core body.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a heat transfer module that cold and hot board is inhomogeneous to be arranged, including a plurality of group heat transfer board groups that from top to bottom arrange in proper order, every group heat transfer board group all includes hot plate and two cold plates that are located hot plate upper and lower both sides respectively, wherein all pass through the vacuum diffusion between every hot plate and its adjacent cold plate and between every adjacent two cold plates and weld and be connected, a plurality of first passageways have all been seted up to the lower surface of every hot plate, and two open ends of every first passageway are located the front and back both ends of hot plate respectively, a plurality of second passageways have all been seted up to the lower surface of every cold plate, and two open ends of every second passageway are located the left and right both ends of cold plate respectively.
Further, the first channel is a bent channel, two right-angle bends are formed on the first channel, and the second channel is a straight channel.
Further, the number of the first channels is set to be the same as the number of the second channels.
Further, the cross section shapes of the first channel and the second channel are arc-shaped, and the diameter of the first channel is smaller than that of the second channel.
Further, the cold plate and the hot plate are both made of stainless steel or nickel-based alloy.
Further, the thicknesses of the cold plate and the hot plate are the same, and are 1mm, 1.2mm or 1.5mm.
The heat exchanger core adopting the heat exchange modules comprises two end plates which are arranged in parallel up and down and a plurality of groups of heat exchange modules which are sequentially fixedly arranged between the two end plates from top to bottom, wherein every two adjacent groups of heat exchange modules are fixedly connected through two connecting plates which are arranged in parallel.
Further, the length and width dimensions of the end plates are the same as those of the heat exchange module.
Further, the heat exchange module is connected with the end plate, the heat exchange module is connected with the connecting plate and the connecting plate through vacuum diffusion welding.
Further, the number of the heat exchange modules is 4-10.
Compared with the prior art, the utility model has the following effects:
the heat exchange module provided by the utility model has the advantages that the heat exchange area of the cold side and the hot side is effectively matched by adopting the arrangement mode of one layer of hot plate and two layers of cold plates, and compared with the existing heat exchange module, the heat exchange module is more economical and reasonable in structural design.
Through setting 2:1 of cold and hot plate quantity, match the heat transfer area ratio on helium and the air heat transfer capability difference, form a heat transfer module that arrangement structure is economical and reasonable, it has high pressure resistant, super high efficiency, low pressure drop, characteristics such as high tightness.
Drawings
FIG. 1 is a schematic front view of a heat exchanger core of the present utility model;
FIG. 2 is a schematic perspective view of the hotplate in a top view;
FIG. 3 is a schematic front view of a hotplate;
FIG. 4 is a schematic perspective view of a cold plate in a top view;
fig. 5 is a schematic left-hand view of a cold plate.
In the figure: 1. an end plate; 2. a heat exchange module; 21. a hot plate; 21-1, a first channel; 22. a cold plate; 22-1, a second channel; 3. and (5) connecting a plate.
Detailed Description
The first embodiment is as follows: the present embodiments will be described in detail and with reference to fig. 1 to 5, and it is apparent that the described embodiments are only some embodiments, but not all embodiments of the present utility model, and all other embodiments obtained by a person skilled in the art without making any inventive effort are within the scope of the present utility model.
It should be noted that, the descriptions of the directions of the present utility model in terms of "front", "rear", "left", "right", "inner", "outer", "left", "right", "upper", "lower", "top", "bottom", etc. are defined based on the relationship of orientations or positions shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the structures described must be constructed and operated in a specific orientation, and therefore, the present utility model should not be construed as being limited thereto. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The utility model provides a heat transfer module that cold and hot board is inhomogeneous to be arranged, include by a plurality of groups heat exchange board groups that go up to arranging in proper order down, every group heat exchange board group all includes hot plate 21 and two cold plates 22 that are located hot plate 21 upper and lower both sides respectively, wherein between every hot plate 21 and its adjacent cold plate 22 and between every adjacent two cold plates 22 all connect through the vacuum diffusion welding, a plurality of first passageway 21-1 have all been seted up to the lower surface of every hot plate 21, and two open ends of every first passageway 21-1 are located the front and back both ends of hot plate 21 respectively, a plurality of second passageway 22-1 have all been seted up to the lower surface of every cold plate 22, and two open ends of every second passageway 22-1 are located the left and right both ends of cold plate 22 respectively.
Several groups of heat exchange plates are arranged from top to bottom in turn to form a limited circulation arrangement mode of cold-heat-cold-heat-cold,
the heat exchange module 2 of the utility model adopts the arrangement form of the one-layer hot plate 21 and the two-layer cold plate 22, thereby effectively matching the heat exchange area of the cold side and the hot side, and compared with the prior heat exchange module 2, the heat exchange module 2 has more economic and reasonable structural design.
Through setting up of cold plate, hot plate quantity 2:1, match the heat transfer area ratio on helium and the air heat exchange capacity difference, form a heat transfer module 2 that arrangement structure is economical and reasonable, it has high pressure resistant, super high efficiency, low pressure drop, characteristics such as high tight degree.
The plate length and width of the cold plate 22 and the hot plate 21 are determined according to parameters such as flow, pressure and temperature.
The first channel 21-1 is a bent channel, which includes two right-angle bends thereon, and the second channel 22-1 is a straight channel. By adopting the design, the bending channel comprising two right-angle bends is adopted, so that the heat exchange efficiency is further improved, and meanwhile, the resistance of the bending part of the channel is effectively reduced.
The number of first passages 21-1 is set the same as the number of second passages 22-1. So designed, the channel diameter can be properly adjusted according to the pressure and flow.
The cross-sectional shapes of the first channel 21-1 and the second channel 22-1 are arc-shaped, and the diameter of the first channel 21-1 is smaller than that of the second channel 22-1. By the design, the heat exchange capacity of the cold side and the hot side is further improved.
The cold plate 22 and the hot plate 21 are made of stainless steel or nickel-based alloy. The design is convenient for realizing vacuum diffusion welding connection, and the nickel-based alloy can be applied to 700-800 ℃.
The thickness of the cold plate 22 and the hot plate 21 are the same, and are 1mm, 1.2mm or 1.5mm.
The heat exchanger core adopting the heat exchange modules comprises two end plates 1 which are arranged in parallel up and down and a plurality of groups of heat exchange modules 2 which are sequentially fixedly arranged between the two end plates 1 from top to bottom, wherein every two adjacent groups of heat exchange modules 2 are fixedly connected through two connecting plates 3 which are arranged in parallel. By the design, the end plate 1 and the connecting plate 3 can be formed by vacuum diffusion welding of a plurality of plates with the same size.
The length and width dimensions of the end plate 1 are the same as those of the heat exchange module 2.
The heat exchange module 2 is connected with the end plate 1, the heat exchange module 2 is connected with the connecting plate 3 and the connecting plate 3 is connected with the connecting plate 3 through vacuum diffusion welding.
The number of the heat exchange modules 2 is 4-10.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. A heat exchange module with unevenly arranged cold and hot plates, characterized in that: the heat exchange plate comprises a plurality of groups of heat exchange plate groups which are sequentially arranged from top to bottom, each group of heat exchange plate groups comprises a heat plate (21) and two cold plates (22) which are respectively positioned on the upper side and the lower side of the heat plate (21), wherein each heat plate (21) is connected with the adjacent cold plates (22) and each two adjacent cold plates (22) through vacuum diffusion welding, a plurality of first channels (21-1) are respectively formed in the lower surface of each heat plate (21), two open ends of each first channel (21-1) are respectively positioned at the front end and the rear end of the heat plate (21), a plurality of second channels (22-1) are respectively formed in the lower surface of each cold plate (22-1), and two open ends of each second channel (22-1) are respectively positioned at the left end and the right end of the cold plate (22).
2. A heat exchange module with non-uniform arrangement of cold and hot plates according to claim 1, wherein: the first channel (21-1) is a bent channel, the bent channel comprises two right-angle bends, and the second channel (22-1) is a straight channel.
3. A heat exchange module with non-uniform arrangement of cold and hot plates according to claim 1 or 2, characterized in that: the number of first passages (21-1) is set to be the same as the number of second passages (22-1).
4. A heat exchange module with non-uniform arrangement of cold and hot plates according to claim 1, wherein: the cross-sectional shapes of the first channel (21-1) and the second channel (22-1) are arc-shaped, and the diameter of the first channel (21-1) is smaller than that of the second channel (22-1).
5. A heat exchange module with non-uniform arrangement of cold and hot plates according to claim 1, wherein: the cold plate (22) and the hot plate (21) are made of stainless steel or nickel-based alloy.
6. A heat exchange module with non-uniform arrangement of cold and hot plates according to claim 1, wherein: the thickness of the cold plate (22) and the hot plate (21) are the same, and are 1mm, 1.2mm or 1.5mm.
7. A heat exchanger core employing a heat exchange module according to any one of claims 1 to 6, wherein: the heat exchange device comprises two end plates (1) which are arranged in parallel up and down, and a plurality of groups of heat exchange modules (2) which are sequentially and fixedly arranged between the two end plates (1) from top to bottom, wherein every two adjacent groups of heat exchange modules (2) are fixedly connected through two connecting plates (3) which are arranged in parallel.
8. The heat exchanger core as claimed in claim 7, wherein: the length and width dimensions of the end plate (1) are the same as those of the heat exchange module (2).
9. The heat exchanger core as claimed in claim 7, wherein: the heat exchange modules (2) and the end plates (1), the heat exchange modules (2) and the connecting plates (3) are all connected through vacuum diffusion welding.
10. The heat exchanger core as claimed in claim 7, wherein: the number of the heat exchange modules (2) is 4-10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337559.4U CN219714112U (en) | 2023-05-30 | 2023-05-30 | Heat exchange module and heat exchanger core with unevenly distributed cold and hot plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321337559.4U CN219714112U (en) | 2023-05-30 | 2023-05-30 | Heat exchange module and heat exchanger core with unevenly distributed cold and hot plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219714112U true CN219714112U (en) | 2023-09-19 |
Family
ID=88003118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321337559.4U Active CN219714112U (en) | 2023-05-30 | 2023-05-30 | Heat exchange module and heat exchanger core with unevenly distributed cold and hot plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219714112U (en) |
-
2023
- 2023-05-30 CN CN202321337559.4U patent/CN219714112U/en active Active
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