CN111623652A - Stainless steel ultrahigh pressure plate-fin heat exchanger - Google Patents
Stainless steel ultrahigh pressure plate-fin heat exchanger Download PDFInfo
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- CN111623652A CN111623652A CN202010573143.7A CN202010573143A CN111623652A CN 111623652 A CN111623652 A CN 111623652A CN 202010573143 A CN202010573143 A CN 202010573143A CN 111623652 A CN111623652 A CN 111623652A
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- heat exchange
- spherical crown
- heat exchanger
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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
- F28D9/0081—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 a single plate-like element ; the conduits for one heat-exchange medium being integrated in one single plate-like element
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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
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
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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
- F28F3/044—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 the deformations being pontual, e.g. dimples
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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
- F28F3/046—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 the deformations being linear, e.g. corrugations
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a stainless steel ultrahigh pressure plate-fin heat exchanger, wherein a plurality of stainless steel fins and a plurality of stainless steel partition plates are sequentially arranged in a staggered manner from top to bottom to form a heat exchange core body; the spherical crown-shaped convex structure on the upper surface of the stainless steel partition plate is arranged at the notch of the upper groove of the stainless steel fin above the stainless steel partition plate; the spherical crown-shaped convex structure on the lower surface of the stainless steel partition plate is arranged at the lower groove notch of the stainless steel fin below the stainless steel partition plate. Compared with the traditional various aluminum plate-fin heat exchangers, the stainless steel ultrahigh-pressure plate-fin heat exchanger has the advantages that the operating temperature is increased by more than 3 times, the operating pressure is increased by more than 2 times, the heat exchange is enhanced by more than 30%, and meanwhile, the requirement on the cleanliness of heat transfer working mediums is remarkably reduced. Compared with a printed circuit board type heat exchanger capable of bearing high temperature and high pressure, the cost is reduced by more than 70%, and the economic problem of application is solved.
Description
Technical Field
The invention relates to nuclear power heat exchange equipment, in particular to a stainless steel ultrahigh pressure plate-fin heat exchanger.
Background
The plate-fin heat exchanger has the advantages of large heat exchange area per unit volume, compact structure, small volume, low cost and the like, and is widely applied to the fields of air separation, refrigeration, energy power and the like. The plate-fin heat exchanger generally uses aluminum as a base material, and parts such as aluminum fins, baffles, seals and the like are connected by welding flux through a brazing process, and generally can only be used in an environment with an operating pressure of less than 10MPa and an operating temperature of less than 200 ℃. At present, the plate-fin heat exchanger under the conditions of high pressure and ultrahigh pressure can not meet the use requirements basically, and a traditional shell-and-tube heat exchanger is generally used. But the shell-and-tube heat exchanger has low heat exchange efficiency, large volume and high cost. The printed circuit board heat exchanger (PCHE) proposed in recent years adopts a brand new process, has large heat exchange area of the monomer volume, and can be applied to high-pressure and ultrahigh-pressure conditions. However, the etching process adopted by the PCHE determines that the cost is high, the requirement on the cleanliness of the heat transfer working medium is extremely high, the PCHE is difficult to be applied to the traditional industrial field where the cleanliness of the heat transfer working medium is difficult to be ensured, and the application economy is seriously influenced due to high cost.
Disclosure of Invention
The invention aims to solve the technical problems that the existing plate-fin heat exchanger cannot be applied to a high-temperature and high-pressure environment, and a printed circuit plate heat exchanger is high in cost and inconvenient to maintain, and aims to provide a stainless steel ultrahigh-pressure plate-fin heat exchanger to solve the problems.
The invention is realized by the following technical scheme:
a stainless steel ultra-high pressure plate-fin heat exchanger comprises a plurality of stainless steel fins and a plurality of stainless steel partition plates; the stainless steel fins and the stainless steel partition plates are sequentially arranged in a staggered mode from top to bottom to form a heat exchange core body, and the top and the bottom of the heat exchange core body are both the stainless steel fins;
the stainless steel fins are provided with upper grooves and lower grooves; the upper surface of the stainless steel partition plate is provided with an upper surface spherical crown-shaped convex structure, and the lower surface of the stainless steel partition plate is provided with a lower surface spherical crown-shaped convex structure;
the spherical crown-shaped convex structure on the upper surface of the stainless steel partition plate is arranged at the upper groove notch of the stainless steel fin above the stainless steel partition plate; the spherical crown-shaped protruding structure on the lower surface of the stainless steel partition plate is arranged at the lower groove opening of the stainless steel fin below the stainless steel partition plate.
When the invention is applied, the invention is mainly applied to the technical field of nuclear power, and generally faces high-temperature and high-pressure environments, when the invention works, airflow needing heat exchange flows through the upper groove and the lower groove, and when the heat exchange airflow passes through the spherical crown-shaped convex structure on the upper surface and the spherical crown-shaped convex structure on the lower surface, the airflow is disturbed, so that turbulent flow is formed, and the heat dissipation effect is enhanced.
Simultaneously, a stainless steel baffle can disturb the air current in two upper and lower directions simultaneously for compare in general radiator, space utilization efficiency is higher. The invention is applied in high temperature and high pressure environment, so the laminating mode is adopted, and the subsequent processing is convenient. Compared with the traditional various aluminum plate-fin heat exchangers, the invention improves the operating temperature by more than 3 times, improves the operating pressure by more than 2 times, strengthens the heat exchange by more than 30 percent, and obviously reduces the requirement on the cleanliness of heat transfer working mediums. Compared with a printed circuit board type heat exchanger capable of bearing high temperature and high pressure, the cost is reduced by more than 70%, and the economic problem of application is solved.
Further, the device also comprises an end bearing strip; the end pressure bearing strips are arranged at two ends of the heat exchange core body and seal the end parts of the heat exchange core body.
Furthermore, the device also comprises an upper bearing plate and a lower bearing plate; the upper bearing plate is arranged at the top of the heat exchange core body, and the lower bearing plate is arranged at the bottom of the heat exchange core body.
Further, when the upper bearing plate and the lower bearing plate are installed on the heat exchange core, the heat exchange core is stacked, the upper bearing plate is installed on the top of the heat exchange core, and the lower bearing plate is installed on the bottom of the heat exchange core to form a heat exchange device;
and placing the heat exchange device in the diffusion welding furnace, and applying uniform pressure on the upper bearing plate and the lower bearing plate under a high-temperature environment to complete installation.
When the heat exchange core is installed, the heat exchange cores are sequentially arranged in a mode of a layer of stainless steel partition plate and a layer of stainless steel fin and are stacked between the upper bearing plate and the lower bearing plate. The stacked heat exchange core bodies are integrally placed in a diffusion welding furnace, certain pressure is uniformly applied to the upper pressure bearing plate in a high-temperature environment, and a high-strength heat exchange core body structure is formed through free diffusion growth of interface molecules. 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 stainless steel ultrahigh pressure plate-fin heat exchanger.
Further, the thickness of the stainless steel fin is 0.5mm-2 mm.
Further, the height of the upper groove and the lower groove is 5mm-10 mm.
Further, the width of the upper groove and the lower groove is 4mm-10 mm.
Further, the diameters of the upper surface spherical crown-shaped convex structure and the lower surface spherical crown-shaped convex structure are 4-6 mm.
Further, the height of the upper surface spherical crown-shaped convex structure and the lower surface spherical crown-shaped convex structure is 1mm-4 mm.
Furthermore, the upper surface spherical crown-shaped convex structures and the lower surface spherical crown-shaped convex structures are multiple, the distance between the multiple upper surface spherical crown-shaped convex structures is 3mm-5mm, and the distance between the multiple lower surface spherical crown-shaped convex structures is 3mm-5 mm.
Compared with the prior art, the invention has the following advantages and beneficial effects:
compared with the traditional various aluminum plate-fin heat exchangers, the stainless steel ultrahigh-pressure plate-fin heat exchanger has the advantages that the operating temperature is increased by more than 3 times, the operating pressure is increased by more than 2 times, the heat exchange is enhanced by more than 30%, and meanwhile, the requirement on the cleanliness of heat transfer working mediums is remarkably reduced. Compared with a printed circuit board type heat exchanger capable of bearing high temperature and high pressure, the cost is reduced by more than 70%, and the economic problem of application is solved.
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 structural view of the present invention;
FIG. 2 is a schematic view of the structure of a stainless steel fin according to the present invention;
FIG. 3 is a schematic view of the stainless steel separator according to the present invention.
Reference numbers and corresponding part names in the drawings:
the method comprises the following steps of 1-stainless steel fins, 2-stainless steel partition plates, 3-upper surface spherical crown-shaped convex structures, 4-lower surface spherical crown-shaped convex structures, 5-end bearing strips, 6-upper bearing plates and 7-lower bearing plates.
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.
Examples
As shown in fig. 1 to 3, the invention relates to a stainless steel ultrahigh pressure plate-fin heat exchanger, which comprises a plurality of stainless steel fins 1 and a plurality of stainless steel partition plates 2; the stainless steel fins 1 and the stainless steel partition plates 2 are sequentially arranged in a staggered mode from top to bottom to form a heat exchange core body, and the top and the bottom of the heat exchange core body are both the stainless steel fins 1;
the stainless steel fin 1 is provided with an upper groove and a lower groove; the upper surface of the stainless steel partition plate 2 is provided with an upper surface spherical crown-shaped convex structure 3, and the lower surface of the stainless steel partition plate 2 is provided with a lower surface spherical crown-shaped convex structure 4;
the spherical crown-shaped convex structure 3 on the upper surface of the stainless steel partition plate 2 is arranged at the notch of the upper groove of the stainless steel fin 1 above the stainless steel partition plate 2; the spherical crown-shaped convex structure 4 on the lower surface of the stainless steel partition plate 2 is arranged at the lower groove of the stainless steel fin 1 below the stainless steel partition plate 2.
In the embodiment, the invention is mainly applied to the technical field of nuclear power and generally faces high-temperature and high-pressure environments, when the invention works, airflow needing heat exchange flows through the upper groove and the lower groove, and when the heat exchange airflow passes through the spherical crown-shaped convex structure on the upper surface and the spherical crown-shaped convex structure on the lower surface, the airflow is disturbed, so that turbulent flow is formed, and the heat dissipation effect is enhanced.
Simultaneously, a stainless steel baffle can disturb the air current in two upper and lower directions simultaneously for compare in general radiator, space utilization efficiency is higher. The invention is applied in high temperature and high pressure environment, so the laminating mode is adopted, and the subsequent processing is convenient. Compared with the traditional various aluminum plate-fin heat exchangers, the invention improves the operating temperature by more than 3 times, improves the operating pressure by more than 2 times, strengthens the heat exchange by more than 30 percent, and obviously reduces the requirement on the cleanliness of heat transfer working mediums. Compared with a printed circuit board type heat exchanger capable of bearing high temperature and high pressure, the cost is reduced by more than 70%, and the economic problem of application is solved.
For further explaining the working process of the embodiment, the device further comprises an end bearing strip 5; the end pressure-bearing strips 5 are arranged at two ends of the heat exchange core body and seal the end parts of the heat exchange core body.
For further explaining the working process of the embodiment, the device further comprises an upper bearing plate 6 and a lower bearing plate 7; the upper bearing plate 6 is arranged at the top of the heat exchange core body, and the lower bearing plate 7 is arranged at the bottom of the heat exchange core body.
To further illustrate the working process of this embodiment, when the upper bearing plate 6 and the lower bearing plate 7 are installed on the heat exchange core, the heat exchange core is stacked, the upper bearing plate 6 is installed on the top of the heat exchange core, and the lower bearing plate 7 is installed on the bottom of the heat exchange core to form a heat exchange device;
and placing the heat exchange device in the diffusion welding furnace, and applying uniform pressure on the upper bearing plate 6 and the lower bearing plate 7 in a high-temperature environment to complete installation.
In the implementation of this embodiment, the common installation technology cannot meet the application requirements of the present invention at high temperature and high pressure, and when the present invention is installed, the heat exchange cores are sequentially arranged in the manner of a layer of stainless steel partition plate and a layer of stainless steel fin, and stacked between the upper bearing plate and the lower bearing plate. The stacked heat exchange core bodies are integrally placed in a diffusion welding furnace, certain pressure is uniformly applied to the upper pressure bearing plate in a high-temperature environment, and a high-strength heat exchange core body structure is formed through free diffusion growth of interface molecules. 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 stainless steel ultrahigh pressure plate-fin heat exchanger.
For further explanation of the working process of the present embodiment, the thickness of the stainless steel fin 1 is 0.5mm to 2 mm.
To further illustrate the operation of this embodiment, the upper and lower grooves have a height of 5mm to 10 mm.
To further illustrate the operation of this embodiment, the upper and lower grooves have a width of 4mm to 10 mm.
For further explanation of the working process of the present embodiment, the diameter of the upper surface spherical crown shaped convex structure 3 and the lower surface spherical crown shaped convex structure 4 is 4mm to 6 mm.
For further explanation of the working process of the present embodiment, the height of the upper surface spherical crown shaped convex structure 3 and the lower surface spherical crown shaped convex structure 4 is 1mm to 4 mm.
For further explaining the working process of the embodiment, the upper surface spherical crown-shaped convex structures 3 and the lower surface spherical crown-shaped convex structures 4 are multiple, and the distance between the multiple upper surface spherical crown-shaped convex structures 3 is 3mm-5mm, and the distance between the multiple lower surface spherical crown-shaped convex structures 4 is 3mm-5 mm.
To further illustrate the operation of this embodiment, in this embodiment, a stainless steel ultra-high pressure plate-fin heat exchanger is composed of a series of stainless steel fins and stainless steel spacers arranged in parallel. The stainless steel fins are formed into rectangular channels with the thickness of 0.5-2mm, the height of 5-10 mm and the pitch of 4-10 mm through a high-impact stamping process, the rectangular channels are clamped between two stainless steel partition plates, end bearing strips are placed at the two side ends between the two stainless steel partition plates, and a completely closed longitudinal rectangular cooling flow channel is formed. The upper surface and the lower surface of the stainless steel clapboard are respectively punched at certain intervals to form a spherical crown-shaped convex structure with the diameter of 4-6mm and the height of 1-4mm, and the spherical crown-shaped convex structure is in one-to-one correspondence with the opening sides of the rectangular channels of the stainless steel fins arranged on the two sides of the stainless steel clapboard. The spherical crown-shaped convex structures on the upper surface and the lower surface of the stainless steel partition plate are arranged at intervals of 3-5mm along the longitudinal direction of the flow channel, so that periodic disturbance is applied to the fluid flowing through the channel, and the heat exchange is enhanced. The heat exchange core bodies are sequentially arranged in a mode of one layer of stainless steel partition plate and one layer of stainless steel fins and are stacked between the upper bearing plate and the lower bearing plate. The stacked heat exchange core bodies are integrally placed in a diffusion welding furnace, certain pressure is uniformly applied to the upper pressure bearing plate in a high-temperature environment, and a high-strength heat exchange core body structure is formed through free diffusion growth of interface molecules. 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 stainless steel ultrahigh pressure plate-fin heat exchanger.
In the above scheme, according to the requirement of heat exchange enhancement, the spherical crown-shaped convex structures on the upper surface and the lower surface of the stainless steel partition plate can be removed, and the flat surface is directly used, so that the processing and manufacturing difficulty and cost are reduced.
In this embodiment, the heat exchange area per unit volume can reach 800m2/m3The application pressure can reach more than 20MPa, and the application temperature can reach more than 600 ℃. Compared with various traditional aluminum plate-fin heat exchangers, the operating temperature is improved by more than 3 times, the operating pressure is improved by more than 2 times, the heat exchange is enhanced by more than 30%, and meanwhile, the requirement on the cleanliness of heat transfer working mediums is remarkably reduced. Compared with a printed circuit board type heat exchanger capable of bearing high temperature and high pressure, the cost is reduced by more than 70%, and the economic problem of application is solved.
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. A stainless steel ultrahigh pressure plate-fin heat exchanger is characterized by comprising a plurality of stainless steel fins (1) and a plurality of stainless steel partition plates (2); the stainless steel fins (1) and the stainless steel partition plates (2) are sequentially arranged in a staggered mode from top to bottom to form a heat exchange core body, and the top and the bottom of the heat exchange core body are both the stainless steel fins (1);
the stainless steel fin (1) is provided with an upper groove and a lower groove; an upper surface spherical crown-shaped convex structure (3) is arranged on the upper surface of the stainless steel partition plate (2), and a lower surface spherical crown-shaped convex structure (4) is arranged on the lower surface of the stainless steel partition plate (2);
the spherical crown-shaped convex structure (3) on the upper surface of the stainless steel partition plate (2) is arranged at the notch of the upper groove of the stainless steel fin (1) above the stainless steel partition plate (2); the spherical crown-shaped convex structures (4) on the lower surface of the stainless steel partition plate (2) are arranged at the lower groove notches of the stainless steel fins (1) below the stainless steel partition plate (2).
2. A stainless steel ultra high pressure plate fin heat exchanger according to claim 1 further comprising end bearing bars (5); the end pressure-bearing strips (5) are arranged at two ends of the heat exchange core body and seal the end parts of the heat exchange core body.
3. The stainless steel ultra high pressure plate fin heat exchanger according to claim 1, further comprising an upper pressure bearing plate (6) and a lower pressure bearing plate (7); the upper bearing plate (6) is arranged at the top of the heat exchange core body, and the lower bearing plate (7) is arranged at the bottom of the heat exchange core body.
4. A stainless steel ultra high pressure plate fin heat exchanger according to claim 3, wherein when the upper bearing plate (6) and the lower bearing plate (7) are mounted to the heat exchange core, the heat exchange core is stacked and the upper bearing plate (6) is mounted on top of the heat exchange core, and the lower bearing plate (7) is mounted on the bottom of the heat exchange core to form a heat exchange device;
and placing the heat exchange device in the diffusion welding furnace, and applying uniform pressure on the upper bearing plate (6) and the lower bearing plate (7) in a high-temperature environment to complete installation.
5. A stainless steel ultra high pressure plate fin heat exchanger according to claim 1, wherein the thickness of the stainless steel fins (1) is 0.5mm-2 mm.
6. The stainless steel ultra high pressure plate fin heat exchanger of claim 1 wherein the height of the upper and lower grooves is 5mm to 10 mm.
7. The stainless steel ultra high pressure plate fin heat exchanger of claim 1 wherein the width of the upper and lower grooves is 4mm to 10 mm.
8. A stainless steel ultra high pressure plate fin heat exchanger according to claim 1, wherein the diameter of the upper surface spherical crown shaped raised structure (3) and the lower surface spherical crown shaped raised structure (4) is 4mm-6 mm.
9. A stainless steel ultra high pressure plate fin heat exchanger according to claim 1, wherein the height of the upper surface spherical crown shaped raised structure (3) and the lower surface spherical crown shaped raised structure (4) is 1mm-4 mm.
10. The stainless steel ultrahigh pressure plate-fin heat exchanger according to claim 1, wherein the upper surface spherical crown-shaped convex structures (3) and the lower surface spherical crown-shaped convex structures (4) are provided in plurality, the distance between the plurality of upper surface spherical crown-shaped convex structures (3) is 3mm to 5mm, and the distance between the plurality of lower surface spherical crown-shaped convex structures (4) is 3mm to 5 mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010573143.7A CN111623652A (en) | 2020-06-22 | 2020-06-22 | Stainless steel ultrahigh pressure plate-fin heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010573143.7A CN111623652A (en) | 2020-06-22 | 2020-06-22 | Stainless steel ultrahigh pressure plate-fin heat exchanger |
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| CN111623652A true CN111623652A (en) | 2020-09-04 |
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| CN202010573143.7A Pending CN111623652A (en) | 2020-06-22 | 2020-06-22 | Stainless steel ultrahigh pressure plate-fin heat exchanger |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844827A (en) * | 2006-04-26 | 2006-10-11 | 南京工业大学 | Seal-free stainless steel plate fin type heat exchanger |
| CN101793471A (en) * | 2010-01-19 | 2010-08-04 | 无锡宏盛换热器制造有限责任公司 | Superposed plate-fin heat exchanger |
| CN202195728U (en) * | 2011-08-03 | 2012-04-18 | 南京工业大学 | Laminated plate fin structure heat exchanger with medium equipartition device |
| CN203798232U (en) * | 2014-03-13 | 2014-08-27 | 郑州大学 | Plate-fin heat exchanger core |
| 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 |
| CN110579123A (en) * | 2019-09-19 | 2019-12-17 | 中国核动力研究设计院 | High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof |
-
2020
- 2020-06-22 CN CN202010573143.7A patent/CN111623652A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1844827A (en) * | 2006-04-26 | 2006-10-11 | 南京工业大学 | Seal-free stainless steel plate fin type heat exchanger |
| CN101793471A (en) * | 2010-01-19 | 2010-08-04 | 无锡宏盛换热器制造有限责任公司 | Superposed plate-fin heat exchanger |
| CN202195728U (en) * | 2011-08-03 | 2012-04-18 | 南京工业大学 | Laminated plate fin structure heat exchanger with medium equipartition device |
| CN203798232U (en) * | 2014-03-13 | 2014-08-27 | 郑州大学 | Plate-fin heat exchanger core |
| 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 |
| CN110579123A (en) * | 2019-09-19 | 2019-12-17 | 中国核动力研究设计院 | High-pressure compact heat exchanger structure with double-side special-shaped runners and assembling method thereof |
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Application publication date: 20200904 |