CN110579123A - High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof - Google Patents
High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof Download PDFInfo
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- CN110579123A CN110579123A CN201910886441.9A CN201910886441A CN110579123A CN 110579123 A CN110579123 A CN 110579123A CN 201910886441 A CN201910886441 A CN 201910886441A CN 110579123 A CN110579123 A CN 110579123A
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- fluid
- heat exchange
- plate
- pressure
- heat exchanger
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/02—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating by means of a press ; Diffusion bonding
- B23K20/023—Thermo-compression bonding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K28/00—Welding or cutting not covered by any of the preceding groups, e.g. electrolytic welding
- B23K28/02—Combined welding or cutting procedures or apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/0026—Arc welding or cutting specially adapted for particular articles or work
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
- F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
Abstract
the invention discloses a high-pressure compact heat exchanger structure with double-side special-shaped runners and an assembling method thereof. The invention is used for solving the problem that the prior art does not have a compact heat exchanger containing an impurity working medium under the high-temperature and high-pressure condition, fills up the technical blank of the compact heat exchanger under the high-temperature and high-pressure and impurity working medium condition, and can be used for the purposes of special occasions such as high-temperature and high-pressure, differential requirements of bilateral runners, impurity operation environment and the like.
Description
Technical Field
The invention relates to the field of heat exchange equipment, in particular to a high-pressure compact heat exchanger structure with double-side special-shaped runners and an assembling method thereof.
Background
the heat exchanger is widely applied to various industries. The plate heat exchanger has the advantages of compact structure, small volume, easy cleaning and maintenance and the like due to large heat exchange area per unit volume. However, the plate heat exchanger is generally sealed by plastic, and has low pressure bearing capacity. The subsequent plate-fin heat exchanger has improved technological process, raised pressure bearing capacity, brazing pressure lower than 10MPa pressure, and may be used in low temperature condition only. In recent years, printed circuit board heat exchangers (PCHEs) adopt etching and diffusion welding processes, the temperature and pressure bearing capacity is greatly improved, but the PCHEs are determined to be generally required to be less than 3mm by the etching process, and when the channel size is larger, the etching precision is reduced, the cost is increased and the raw materials are seriously wasted. Thus PCHE is difficult to use when the design channel dimensions are large. Meanwhile, when the working medium contains impurities, the micro channel of the PCHE is easy to block and difficult to use.
In traditional and new power systems, one side of a common heat exchanger is a closed cycle cleaning working medium, and the other side is various high-temperature gases containing impurities. The clean working medium side has high pressure and high working medium density, and the flow channel can be designed into a micro channel to improve the heat exchange area per unit volume and achieve the purpose of compact heat exchange. However, for the high-temperature gas side in the thermal hydraulic experiment of the nuclear reactor, for example, the pressure is generally low, the working medium density is low, impurities are contained, a relatively large flow passage is needed, and the difference exists between the high-temperature gas side and the clean working medium side flow passage. At present, a compact heat exchanger meeting the requirements can not be selected, in the prior art, a traditional shell-and-tube heat exchanger is generally adopted for a heat exchanger containing an impurity working medium under the conditions of high temperature and high pressure, and the heat exchange area per unit volume is generally smaller than 200m2/m3Large volume, heavy weight and high cost.
Disclosure of Invention
The invention aims to provide a high-pressure compact heat exchanger structure with double-side special-shaped runners and an assembling method thereof, which are used for solving the problem that a compact heat exchanger containing an impurity working medium under the high-temperature and high-pressure condition does not exist in the prior art, realizing the purpose of filling up the technical blank of the compact heat exchanger under the high-temperature and high-pressure and impurity working medium condition, and being used for special occasions such as high-temperature and high-pressure, differential requirements of the double-side runners, impurity operating environments and the like.
The invention is realized by the following technical scheme:
Two high-pressure compact heat exchanger structures of side abnormal shape runner, including last bearing plate, lower bearing plate, go up a plurality of heat transfer units of fixing between bearing plate and the lower bearing plate, the heat transfer unit includes fluid A side heat transfer plate, the fluid B side baffle that upper and lower distribution, the upper surface of fluid A side heat transfer plate sets up a plurality of A side runners, set up fluid B side heat transfer fin between fluid A side heat transfer plate and the fluid B side baffle, fluid B side heat transfer fin is a plurality of channel forms, form the cooling runner between fluid B side heat transfer fin and fluid A side heat transfer plate, the fluid B side baffle.
aiming at the problem that a compact heat exchanger containing impurity working media under the condition of high temperature and high pressure does not exist in the prior art, the invention provides a high-pressure compact heat exchanger structure with double-side special-shaped runners. Fluid B side heat exchange fins are arranged between the fluid A side heat exchange plate and the fluid B side partition plate, the fluid B side heat exchange fins are in a plurality of channel shapes, and cooling flow channels are formed among the fluid B side heat exchange fins, the fluid A side heat exchange plate and the fluid B side partition plate and are used for flowing of fluid on the B side. The compact layout is realized through the channel-shaped heat exchange fins on the side B of the fluid, and the heat exchange effect of the fluid on the side A and the fluid on the side B is realized through the matching of the heat exchange plates on the side A of the fluid and the heat exchange fins on the side B of the fluid.
And fluid B side end bearing blocks positioned at two ends are arranged between the fluid A side heat exchange plate and the fluid B side clapboard. The fluid B side end bearing block is used for sealing and bearing, and stable flow of pressure fluid in the cooling flow channel is facilitated.
The A-side flow channel is a semicircular hollow flow channel with an open upper end. The contact area between the fluid on the A side and the heat exchange plate on the fluid on the A side is increased, and the heat exchange effect is further improved in a compact space.
the lower surface of the fluid A side heat exchange plate is provided with a plurality of first bulges, the upper surface of the fluid B side partition plate is provided with a plurality of second bulges, and the first bulges and the second bulges are arranged at intervals in the channels of the fluid B side heat exchange fins.
The first bulges and the second bulges are used for disturbing the fluid on the side B to realize the effect of strengthening heat transfer, and the first bulges and the second bulges are arranged at intervals in the channels of the heat exchange fins on the side B, namely between two adjacent channels, the first bulges are arranged in one channel, the second bulges are arranged in the other channel, so that the contact area can be further increased through the bulges, and the heat exchange efficiency is improved.
The first bulge and the second bulge are both spherical crown-shaped bulges. The contact area is increased.
The heat exchange fin at the fluid B side is in an arch shape, and between two adjacent channels on the heat exchange fin, the open end of one channel faces upwards, and the open end of the other channel faces downwards. Namely, the heat exchange fins at the side of the fluid B are continuously bent to form an arch-shaped structure, and the openings of the bent channels are upward and downward in sequence.
And a plurality of layers of fluid A side heat exchange plates or a plurality of layers of fluid B side heat exchange fins are arranged in the heat exchange unit. In the scheme, fluid working media flowing through each layer of the heat exchange plates at the A side or the heat exchange fins at the B side can be different, so that multi-fluid high-efficiency heat exchange is realized.
The plurality of heat exchange units are distributed up and down between the upper bearing plate and the lower bearing plate.
The assembling method of the high-pressure compact heat exchanger structure with double-sided special-shaped runners comprises the following steps:
(a) Placing a lower bearing plate on the bottommost layer, stacking a plurality of layers of heat exchange units on the lower bearing plate, and placing an upper bearing plate on the topmost layer;
(b) The stacked core blocks are integrally placed in a high-temperature diffusion welding furnace, pressure is uniformly applied in a high-temperature environment, and a fluid B side partition plate and a fluid B side fin (as well as fluid B side end bearing blocks and fluid A side heat exchange plates at two ends of the fluid B side partition plate and the fluid B side fin naturally grow into a whole and are naturally grown with an upper bearing plate and a lower bearing plate to realize high-strength connection to form a complete heat exchange core block;
(c) The heat exchange core block is connected with the inlet and outlet connecting pipes on the two sides through argon arc welding.
Further, the stacking method of the plurality of layers of heat exchange units comprises the following steps: and then the fluid B side partition plate, the fluid B side fins, the fluid B side end pressure bearing blocks at the two ends and the fluid A side heat exchange plates are periodically arranged in sequence, and the upper pressure bearing plate is arranged at the uppermost end.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. According to the high-pressure compact heat exchanger structure with the double-side special-shaped flow channels and the assembling method thereof, the heat exchange units are sequentially arranged and stacked between the upper bearing plate and the lower bearing plate from bottom to top. And after stacking, the whole body is placed into a diffusion welding furnace to be welded to form a high-strength core body structure. The heat exchange area per unit volume of the invention can reach 1000m2/m3The working pressure can reach more than 20MPa, the working temperature can reach more than 700 ℃, and the device can be used in the operating environment of working media containing a large amount of impurities.
2. Compared with the traditional shell-and-tube heat exchanger, the high-pressure compact heat exchanger structure with double-side special-shaped runners and the assembling method thereof have the advantage that the heat exchange area per unit volume is improved by more than 5 times. Compared with the traditional plate type/plate fin type heat exchanger, the operation temperature is improved by more than 3 times, and the operation pressure is improved by more than 2 times. Compared with a typical printed circuit board type heat exchanger, the requirement on the cleanliness of working media is greatly reduced, and the application range is greatly widened.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic cross-sectional view of a fluid A side heat exchange plate in an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a fluid B-side separator plate in an embodiment of the invention.
FIG. 3 is a schematic cross-sectional view of a fluid B-side fin in an embodiment of the invention.
FIG. 4 is a schematic cross-sectional view of a heat exchange unit in an embodiment of the invention.
FIG. 5 is an overall cross-sectional schematic view of an embodiment of the present invention.
Reference numbers and corresponding part names in the drawings:
The heat exchange plate comprises a fluid A side heat exchange plate 1, a fluid A side flow channel 2, a first bulge 3, a fluid B side partition plate 4, a second bulge 5, a fluid B side fin 6, a fluid B side end bearing block 7, an upper bearing plate 8 and a lower bearing plate 9.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
example 1:
The high-pressure compact heat exchanger structure with double-sided special-shaped flow channels as shown in fig. 1 to 5 comprises an upper pressure bearing plate 8 and a lower pressure bearing plate 9, wherein a plurality of heat exchange units are fixed between the upper pressure bearing plate 8 and the lower pressure bearing plate 9, each heat exchange unit comprises a fluid A-side heat exchange plate 1 and a fluid B-side partition plate 4 which are distributed up and down, a plurality of A-side flow channels 2 are arranged on the upper surface of the fluid A-side heat exchange plate 1, fluid B-side heat exchange fins 6 are arranged between the fluid A-side heat exchange plate 1 and the fluid B-side partition plate 4, the fluid B-side heat exchange fins 6 are in a plurality of channel shapes, and cooling flow channels are formed between the fluid B-side heat exchange fins 6 and the fluid A-side heat exchange plates 1.
The assembly method of the embodiment comprises the following steps:
(a) placing a lower pressure bearing plate 9 at the bottommost layer, stacking a plurality of layers of heat exchange units on the lower pressure bearing plate 9, and placing an upper pressure bearing plate 8 at the topmost layer;
(b) the stacked pellets are integrally placed in a high-temperature diffusion welding furnace, pressure is uniformly applied in a high-temperature environment, a fluid B side partition plate 4 and a fluid B side fin 6 in a heat exchange unit, a fluid B side end bearing block 7 and a fluid A side heat exchange plate 11 which are used for bearing and sealing are arranged at two ends of the fluid B side partition plate and the fluid B side fin 6 and naturally grow into a whole, and the whole is naturally grown with an upper bearing plate 8 and a lower bearing plate 9 to realize high-strength connection, so that the complete heat exchange pellets are formed;
(c) the heat exchange core block is connected with the inlet and outlet connecting pipes on the two sides through argon arc welding.
Example 2:
As shown in fig. 1 to 5, it is composed of a series of heat exchange units arranged in parallel, and an upper pressure bearing plate 8 and a lower pressure bearing plate 9. Each heat exchange unit is composed of a fluid a-side heat exchange plate 1, a fluid B-side end pressure block 7, a fluid B-side fin 6, and a fluid B-side separator 4. The upper surface of the fluid A side heat exchange plate 1 is provided with an A side flow passage 2 with the diameter of 1-3mm, the A side flow passage 2 is processed and formed by a photochemical etching process, the lower surface is provided with a spherical crown-shaped convex structure 3 with the diameter of 5-8 mm and the height of 1-3mm, and the photochemical etching process is also adopted for processing and forming. The fluid B side baffle plate 4 is a stainless steel plate with the thickness of 0.5mm-2mm, and the upper surface of the fluid B side baffle plate is etched or punched to form a spherical crown-shaped convex structure 5 with the diameter of 5mm-8mm and the height of 1mm-3 mm. The fluid a-side heat exchange plate 1 and the fluid B-side separator 4 sandwich the fluid B-side fins 6 and the fluid B-side end pressure-receiving block 7. The fluid B side fin 6 is a rectangular channel with the thickness t being 0.5-1.5mm, the height h being 5-10 mm and the pitch p being 4-10 mm, and is formed by a high-impact stamping process. The rectangular channels of the fluid B-side fins 6 form longitudinal square cooling flow channels of the fluid B side with the fluid a-side heat exchange plates 1 and the fluid B-side separator plates 4. The first bulges 3 and the spherical crown-shaped bulge structures 5 on the upper surface of the fluid B side partition plate are arranged at intervals in the rectangular channels of the fluid B side fins 6, so that the effect of disturbing the fluid on the B side to realize enhanced heat transfer is achieved. The fluid B side end bearing blocks 7 are placed at two ends between the fluid A side heat exchange plate 1 and the fluid B side partition plate 4 to play the roles of sealing and bearing. The fluid a side heat exchange plate 1, the fluid B side end pressure bearing block 7, the fluid B side fin 6, the fluid B side partition plate 4, the upper pressure bearing plate 8, and the lower pressure bearing plate 9 are all made of stainless steel or nickel-based alloy.
The fluid B-side fins 6 in this embodiment are stainless steel fins.
In the forming process of the above structure, the lower bearing plate 9 is placed at the lowermost layer, a layer of fluid B-side fins 6 and fluid B-side end bearing blocks 7 at both ends thereof are placed on the lower bearing plate 9, a layer of fluid a-side heat exchange plate 1 is placed thereon, then the fluid B-side partition plate 4, the fluid B-side fins 6 and the fluid B-side end bearing blocks 7 at both ends thereof, and the fluid a-side heat exchange plate 1 are periodically arranged in order, and the upper bearing plate 8 is placed at the uppermost end thereof. The stacked pellets are integrally placed in a high-temperature diffusion welding furnace, certain pressure is uniformly applied in a high-temperature environment, and due to free diffusion of interface molecules, the fluid B side partition plate 4, the fluid B side fin 6, the fluid B side end bearing blocks 7 at two ends of the fluid B side end bearing blocks and the fluid A side heat exchange plate 1 in the heat exchange unit naturally grow into a whole and are naturally grown with the upper bearing plate 8 and the lower bearing plate 9 to realize high-strength connection, so that the complete heat exchange pellets are formed. The heat exchange core block is connected with the inlet and outlet connecting pipes on the two sides through conventional argon arc welding to form the complete high-pressure compact heat exchanger with the special-shaped runners on the two sides.
In this embodiment, each heat exchange unit may also be provided with a plurality of layers of fluid a-side heat exchange plates 1, or a plurality of layers of fluid B-side fins 6 and fluid B-side end pressure bearing blocks 7 at both ends thereof. When each heat exchange unit is arranged in multiple layers, fluid working media flowing through each layer can be different, and multi-fluid high-efficiency heat exchange is realized.
in this embodiment, the first protrusion 3 and the second protrusion 5 may be removed according to the actual application requirement, and a straight surface is directly used, so as to reduce the difficulty and cost of manufacturing.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. Two high-pressure compact heat exchanger structures of side abnormal shape runner, its characterized in that includes pressure bearing plate (8), lower pressure bearing plate (9), go up a plurality of heat transfer units of fixing between pressure bearing plate (8) and lower pressure bearing plate (9), the heat transfer unit includes fluid A side heat transfer plate (1), fluid B side baffle (4) that upper and lower distribution, the upper surface of fluid A side heat transfer plate (1) sets up a plurality of A side runners (2), set up fluid B side heat transfer fin (6) between fluid A side heat transfer plate (1) and fluid B side baffle (4), fluid B side heat transfer fin (6) are a plurality of channel forms, form the cooling runner between fluid B side heat transfer fin (6) and fluid A side heat transfer plate (1), fluid B side baffle (4).
2. the double-sided profiled-flow-channel high-pressure compact heat exchanger structure according to claim 1, characterized in that fluid B-side end pressure bearing blocks (7) at both ends are provided between the fluid a-side heat exchange plate (1) and the fluid B-side separator plate (4).
3. The double-sided profiled-flow-channel high-pressure compact heat exchanger structure according to claim 1, characterized in that the a-side flow channel (2) is a semicircular hollow flow channel with an open upper end.
4. The double-sided profiled-flow-channel high-pressure compact heat exchanger structure as claimed in claim 1, wherein a plurality of first protrusions (3) are provided on the lower surface of the fluid a-side heat exchange plate (1), a plurality of second protrusions (5) are provided on the upper surface of the fluid B-side partition plate (4), and the first protrusions (3) and the second protrusions (5) are arranged at intervals in the channels of the fluid B-side heat exchange fins (6).
5. The double-sided profiled-flow-channel high-pressure compact heat exchanger structure according to claim 4, characterized in that the first and second bulges (3, 5) are both spherical-crown-shaped bulges.
6. The double-sided profiled-flow-channel high-pressure compact heat exchanger structure according to claim 1, characterized in that the fluid B-side heat exchange fins (6) are bow-shaped, and between two adjacent channels, the open end of one channel faces upwards and the open end of the other channel faces downwards.
7. The double-sided profiled-flow-channel high-pressure compact heat exchanger structure according to claim 1, characterized in that multiple layers of fluid a-side heat exchange plates (1) or multiple layers of fluid B-side heat exchange fins (6) are arranged in the heat exchange unit.
8. The high-pressure compact heat exchanger structure with double-sided profiled flow channels according to claim 1, characterized in that a plurality of heat exchange units are distributed up and down between the upper bearing plate (8) and the lower bearing plate (9).
9. The method for assembling a high-pressure compact heat exchanger structure based on double-sided profiled flow channels according to any one of claims 1 to 8, characterized by comprising the steps of:
(a) placing a lower pressure bearing plate (9) at the bottommost layer, stacking a plurality of layers of heat exchange units on the lower pressure bearing plate (9), and placing an upper pressure bearing plate (8) at the topmost layer;
(b) The stacked core blocks are integrally placed in a high-temperature diffusion welding furnace, pressure is uniformly applied in a high-temperature environment, a fluid B side partition plate (4), a fluid B side fin (6), fluid B side end bearing blocks (7) at two ends and a fluid A side heat exchange plate (1) in a heat exchange unit naturally grow into a whole, and are naturally grown with an upper bearing plate (8) and a lower bearing plate (9) to realize high-strength connection, so that the complete heat exchange core blocks are formed;
(c) The heat exchange core block is connected with the inlet and outlet connecting pipes on the two sides through argon arc welding.
10. The method for assembling the high-pressure compact heat exchanger structure with the double-sided special-shaped flow channels as claimed in claim 9, wherein the method for stacking the plurality of layers of heat exchange units comprises the following steps: a layer of fluid B side fins (6) and fluid B side end bearing blocks (7) at two ends of the fluid B side fins are placed on a lower bearing plate (9), a layer of fluid A side heat exchange plate (1) is placed, then a fluid B side partition plate (4), the fluid B side fins (6), the fluid B side end bearing blocks (7) at two ends of the fluid B side end bearing blocks and the fluid A side heat exchange plate (1) are periodically arranged in sequence, and an upper bearing plate (8) is placed at the uppermost end of the fluid B side heat exchange plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910886441.9A CN110579123A (en) | 2019-09-19 | 2019-09-19 | High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910886441.9A CN110579123A (en) | 2019-09-19 | 2019-09-19 | High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof |
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| CN110579123A true CN110579123A (en) | 2019-12-17 |
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| CN201910886441.9A Pending CN110579123A (en) | 2019-09-19 | 2019-09-19 | High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111623652A (en) * | 2020-06-22 | 2020-09-04 | 中国核动力研究设计院 | Stainless steel ultrahigh pressure plate-fin heat exchanger |
| US20220009022A1 (en) * | 2018-12-21 | 2022-01-13 | Nhk Spring Co., Ltd. | Joining method and joined body |
| CN115255837A (en) * | 2022-08-22 | 2022-11-01 | 中国电子科技集团公司第三十八研究所 | Heterogeneous built-in micro-channel cold plate and forming method thereof |
| CN115791244A (en) * | 2023-02-06 | 2023-03-14 | 中国核动力研究设计院 | Modular microchannel compact heat exchange experiment body, method, equipment and medium |
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| CN109780918A (en) * | 2019-03-20 | 2019-05-21 | 杭州沈氏节能科技股份有限公司 | The processing method and plate-fin heat exchanger of the plate beam of plate-fin heat exchanger, plate beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115791244A (en) * | 2023-02-06 | 2023-03-14 | 中国核动力研究设计院 | Modular microchannel compact heat exchange experiment body, method, equipment and medium |
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Application publication date: 20191217 |
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| RJ01 | Rejection of invention patent application after publication |