CN112146490A - Different material laminated plate heat exchanger - Google Patents
Different material laminated plate heat exchanger Download PDFInfo
- Publication number
- CN112146490A CN112146490A CN202011167781.5A CN202011167781A CN112146490A CN 112146490 A CN112146490 A CN 112146490A CN 202011167781 A CN202011167781 A CN 202011167781A CN 112146490 A CN112146490 A CN 112146490A
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- CN
- China
- Prior art keywords
- double
- sided
- flow channel
- heat exchanger
- sided flow
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- 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
- F28D9/0043—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
- F28D9/0056—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 plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates
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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
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
- F28F3/086—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning having one or more openings therein forming tubular heat-exchange passages
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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 dissimilar material laminated plate type heat exchanger, which comprises a double-sided flow passage substrate, a double-sided flow passage special-shaped cold plate, a single-sided flow passage substrate and a side inlet and outlet, wherein the double-sided flow passage substrate and the double-sided flow passage special-shaped cold plate can be arranged to be communicated with each other or not communicated with each other at the upper and lower sides, flow passages on the two sides of the double-sided flow passage substrate and the double-sided flow passage special-shaped cold plate can be in the same form or different forms, and are. The double-sided flow channel base plate, the double-sided flow channel special-shaped cold plate and the single-sided flow channel base plate are alternately stacked to realize heat exchange of multiple media, the double-sided flow channel base plate, the double-sided flow channel special-shaped cold plate and the single-sided flow channel base plate can adopt dissimilar materials to realize directional control of heat conduction according to different flow channel media, and meanwhile, the medium flow channel form and the flow channel stacking layer number can be flexibly set according to use requirements, so that the structure of the heat exchanger is more compact.
Description
Technical Field
The invention relates to a plate heat exchanger, in particular to a dissimilar material laminated plate heat exchanger.
Background
At present, in the field of heat transfer, plate heat exchangers are widely applied in various industries due to compact structure, large heat transfer area and high heat exchange efficiency. The prior cold plate heat exchanger mostly adopts an aluminum alloy plate with double-sided flow channels and two side cover plates to be brazed into a plate group, and the assembly of a plurality of plate groups is mostly connected by clamping bolts, buckles or edge brazing. The technical scheme of the cold plate made of the dissimilar materials is that a copper runner pipe is mostly embedded in a runner groove of an aluminum alloy substrate, the energy conduction of a medium is diffused towards all directions all the time, the function of energy directional flow is not provided, a plurality of cold plate groups are required to be assembled in parallel through buckles, bolts and the like to control the temperature of each medium in the application scene of heat exchange of various media, and comprehensive heat exchange of various media cannot be realized. Aiming at the problems, the inventor provides a dissimilar material laminated plate heat exchanger through research and test, the upper and lower surfaces of the flow channel can adopt dissimilar materials, so that the heat conduction of the medium in the flow channel has certain directionality, one side of the material with higher heat conductivity is adopted to transfer more heat, one side of the material with lower heat conductivity is adopted to transfer less heat, the directional and quantitative conduction of the heat can be realized by improving design parameters and the flow channel form, realizes the comprehensive heat exchange of various media in one cold plate group or one heat exchanger, reasonably utilizes the waste heat of the system, and effectively reduces the power consumption of other parts in the heat management system, such as a pump, a fan and the like, further improves the system efficiency, and compact, a plurality of cold plate groups can integrative welding shaping, improve system installation efficiency, save the installation volume, satisfy various use scenarios.
Disclosure of Invention
Aiming at the defects of the prior art, the invention mainly aims to provide the laminated plate type heat exchanger capable of realizing multi-medium heat exchange under the high-temperature condition, and the laminated plate type heat exchanger omits a plate group installation structure such as buckles and bolts, improves the structure of the current plate type heat exchanger, further reduces the volume and enables the system structure to be more compact.
In order to achieve the purpose, the invention provides the following technical scheme: a laminated plate heat exchanger with heterogeneous material is composed of a double-surface flow channel base plate, a double-surface cover plate, and an inlet and an outlet on the side surface of base plate.
Preferably, the substrate and the cover plate can be made of heat conducting materials such as copper alloy, aluminum alloy and the like, and the double-sided flow channel substrate and the double-sided cover plate can be made of the same material or different materials. The double-sided flow channel base plate and the double-sided cover plate are stacked in a staggered mode, the number of stacked layers of the plate heat exchanger can be flexibly adjusted according to actual heat exchange requirements, upper and lower flow channels of the double-sided flow channel base plate can be in the same shape or different shapes according to actual needs, and the flow channels can be in U-shaped, S-shaped or other shapes. The base plate and the cover plate are both provided with friction stir welding areas, and one-time welding can finish welding of a group of base plates and the cover plate and can also simultaneously weld a plurality of plate groups.
Preferably, fins or other structures can be arranged on the double-sided flow channel base plate and the double-sided cover plate to perform a turbulent flow effect and increase a heat exchange area.
Compared with the prior art, the invention has the advantages of compact structure and small volume, can realize one-step processing and molding of the multilayer heat exchange runner, and reduces the installation time and labor cost of system parts. In a system for simultaneously exchanging heat by multiple media, the heat exchanger disclosed by the invention can select different base plate or cover plate materials according to different requirements of different media on heat exchange power, corrosion resistance and temperature resistance, and the design and assembly of the heat exchanger are more flexible for multi-media heat exchange. Compared with the common plate heat exchanger at present, the condition that a plurality of heat exchangers are required to be connected in series or in parallel for certain different heat exchange media is effectively improved. The directional quantitative control of the energy flow of the medium in the heat exchanger can be realized, the heat energy of the system can be more efficiently and comprehensively utilized, the waste of the energy of the system and the emission of waste heat are reduced, and the energy utilization rate of the system is improved.
Drawings
Fig. 1 is a schematic view of a dissimilar material laminated plate heat exchanger.
Fig. 2 is an exploded view of a stacked plate heat exchanger made of dissimilar materials.
Fig. 3 is a schematic structural diagram of a double-sided flow channel substrate.
Fig. 4 is a structural schematic diagram of a double-sided flow channel special-shaped cold plate.
FIG. 5 is a schematic diagram of a single-sided flow channel substrate structure.
In the figure: 1. a double-sided flow channel substrate; 2. a double-sided runner special-shaped cold plate; 3. a single-sided runner substrate; 4. side inlet and outlet
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1, a laminated plate heat exchanger with dissimilar material layers comprises a double-sided flow channel substrate 1, a double-sided cover plate 2, an inlet and an outlet 3 on the side surface of the substrate, the design form and the number of the inlet and the outlet can be improved or changed according to the system requirements, a friction stir welding area is arranged at the splicing position of the double-sided flow channel substrate 1 and the double-sided cover plate 2, welding of a single-layer or multi-layer substrate and cover plate can be carried out by changing the thickness of the welding area, the plate thickness and the length of a friction welding stirring pin, the same medium can flow through adjacent laminated plate flow channels and different media can also flow through the adjacent laminated plate flow channels, the media exchange heat with the medium in the adjacent flow channels of the substrate or the cover plate when the flow channels flow. In addition, the friction stir welding has good welding performance of dissimilar materials, when the heat exchanger is designed, the base plate and the cover plate are made of different material combinations, so that heat exchange and process requirements of different media can be met, copper and copper alloy with good heat conduction can be adopted for a medium requiring high heat exchange power, stainless steel with good high temperature resistance can be adopted for a medium requiring high temperature to form a flow channel, and aluminum alloy with high heat conductivity and low cost can be adopted for a medium requiring low temperature and corrosion resistance, and the examples are not limited. All medium runners made of different materials are stacked and combined through a friction stir welding process, and integrated processing is directly performed after design is completed, so that compared with a manual assembly mode of all medium independent heat exchangers, a large amount of time cost is saved.
The double-sided runner base plate and the double-sided cover plate are stacked in a staggered mode, the number of layers of the plate heat exchanger can be flexibly adjusted according to actual heat exchange requirements, the base plate and the cover plate are provided with friction stir welding areas, and one-time welding can be carried out to complete welding of a group of base plates and the cover plate and can also be carried out to weld a plurality of groups of base plates and the cover plate simultaneously.
The upper and lower runners of the double-faced runner substrate can be in the same shape or different shapes according to actual needs, and the runners can be in U-shaped, S-shaped or other shapes. Therefore, the requirement of temperature distribution uniformity in the system can be met, when the heat exchanger is arranged, temperature can be uniformly distributed or easily overheated elements can be avoided by changing different flow passage forms, and the embodiment is not limited.
Fins, fins or other structures can be arranged on the double-sided flow channel base plate and the double-sided cover plate to perform turbulence effect and increase the heat exchange area, and the heat exchange power of the system is improved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (3)
1. The utility model provides a dissimilar material lamination plate heat exchanger which characterized in that: the double-sided runner special-shaped cold plate heat exchanger comprises a double-sided runner substrate, a double-sided runner special-shaped cold plate, a single-sided runner substrate, a side inlet and a side outlet, wherein the double-sided runner substrate, the double-sided runner special-shaped cold plate and the single-sided runner substrate are made of dissimilar materials, one double-sided runner substrate and two double-sided runner special-shaped cold plates form a cold plate group, and the heat exchanger comprises at.
2. The dissimilar material laminated plate heat exchanger according to claim 1, wherein: the double-sided flow channel substrate and the double-sided flow channel special-shaped cold plate are formed by welding different materials, the upper side and the lower side of the same flow channel are different in material and heat conduction rate, and therefore heat directional conduction is achieved.
3. The dissimilar material laminated plate heat exchanger according to claim 1, wherein: the upper and lower runners of the double-faced runner substrate and the double-faced runner special-shaped cold plate are U-shaped or S-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167781.5A CN112146490A (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011167781.5A CN112146490A (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112146490A true CN112146490A (en) | 2020-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011167781.5A Pending CN112146490A (en) | 2020-10-28 | 2020-10-28 | Different material laminated plate heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112146490A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964079A (en) * | 2021-03-25 | 2021-06-15 | 天津海钢板材有限公司 | Flue gas recovery heat exchange device and heat exchange method for acid regeneration unit |
-
2020
- 2020-10-28 CN CN202011167781.5A patent/CN112146490A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112964079A (en) * | 2021-03-25 | 2021-06-15 | 天津海钢板材有限公司 | Flue gas recovery heat exchange device and heat exchange method for acid regeneration unit |
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