CN115790207A - Heat exchanger structure - Google Patents
Heat exchanger structure Download PDFInfo
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- CN115790207A CN115790207A CN202111062609.8A CN202111062609A CN115790207A CN 115790207 A CN115790207 A CN 115790207A CN 202111062609 A CN202111062609 A CN 202111062609A CN 115790207 A CN115790207 A CN 115790207A
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- heat exchanger
- fluid
- metal plates
- channel
- fluid flow
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Abstract
The invention provides a heat exchanger structure, which comprises a plurality of metal plates, wherein each metal plate is provided with two end faces, at least one end face is provided with a fluid flow channel, the end face provided with the fluid flow channel is used for providing another metal plate to be attached, so that the end faces of the at least two metal plates can be smoothly jointed, the at least two metal plates are sintered at high temperature after being jointed, the jointed metal plates are combined into a whole through high-temperature welding, and the metal plates can form a complete heat exchanger for use without additional locking or welding.
Description
Technical Field
The present invention relates to a heat exchanger structure, and more particularly, to a heat exchanger using high temperature to weld metal plates.
Background
During the operation of the unit, some fluids are required to be heated and some fluids are required to be cooled to adapt to the operation conditions of the unit, and the heat exchange process is usually completed by a heat exchanger, and the heat exchanger refers to a device capable of exchanging heat between two fluids, so that the heat exchanger is actually required for the normal operation of the unit, and at present, most plate-type heat exchangers are common.
The plate heat exchanger is formed by integrating a frame with high-efficiency heat transfer corrugated plates, and the plates are clamped between a front fixing plate and a rear fixing plate of the frame by bolts, so that a plurality of flow passages can be constructed in the heat exchanger, and the plates are sealed by rubber gaskets.
However, the known structure as described above still has the following problems in practical applications: firstly, the plates of the heat exchanger need to be aligned one by one and then can be locked by penetrating bolts, so that the installation is time-consuming and labor-consuming; secondly, each plate needs to be sealed by installing a rubber gasket, so the use cost is high and the installation steps are more complicated; and (iii) the rubber gasket cannot resist high pressure and acid and alkali, thus making the use of the heat exchanger severely limited (unable to be used in high pressure or chemical fields).
There is another shell-and-plate heat exchanger in which the plate is stitch-welded by laser welding, and a rubber gasket is also installed inside the plate to prevent leakage after stitch-welding of the plate by the installation of the rubber gasket.
However, the other known structure as described above still has the following problems in practical applications: the plate is stitch-welded by laser, so the processing cost is high, and the heat exchanger has the problem of too slow processing speed because the stitch-welding needs to be carried out in a whole circle; and (II) the plate cannot resist high pressure after stitch welding, and the rubber gasket cannot resist acid and alkali, so that the use of the heat exchanger is also severely limited.
Disclosure of Invention
The invention provides a heat exchanger structure, aiming at solving the problems that the heat exchanger in the prior art is slow in assembly, high in processing cost and incapable of resisting high pressure and acid and alkali.
The heat exchanger structure of the invention, the heat exchanger includes several metal sheets, each metal sheet has two end faces, there are fluid flow paths on at least one said end face, provide another said metal sheet to lean against with the said end face equipped with fluid flow path, make at least two metal sheets can make involution smoothly with its end face, utilize high temperature to sinter at least two metal sheets after involution, make said metal sheet after involution combine together integrally through the high-temperature fusion, will make said metal sheet not need another locking or welding, can form a complete said heat exchanger to offer the use, through at least one fluid input channel and at least one fluid output channel on said metal sheet reserve, and make the connection and conduct with said fluid flow path set up in the heat exchanger with the fluid input channel, make the fluid can send into said heat exchanger from said fluid input channel, after fully flowing through said fluid flow path, send out from said fluid output channel, in order to utilize the continuous flow of the fluid to do the warming or cooling to the applied unit; thereby, the heat exchanger structure can be constituted.
Optionally, the heat exchanger is formed by welding two metal plates together.
Optionally, the heat exchanger is formed by welding three metal plates together, and the boundary of each metal plate is provided with one fluid flow channel.
Optionally, the heat exchanger is formed by welding a plurality of metal plates together, so that the interface of each metal plate can be provided with one fluid flow channel.
Optionally, the fluid input channel and the fluid output channel are connected and communicated with the fluid flow channel after penetrating into the heat exchanger from the end face.
Optionally, the fluid input channel and the fluid output channel are communicated with the fluid flow channel after penetrating into the heat exchanger from the side edge of the metal plate.
Optionally, the fluid is a liquid fluid.
Optionally, the fluid is a gaseous fluid.
The heat exchanger structure of the invention has the beneficial effects that: the heat exchanger is formed by directly welding metal plates, so that the trouble of locking the metal plates one by one in assembly can be saved, slow welding is not needed, the production of the heat exchanger can be more efficient, and the processing cost is low.
In the heat exchanger structure of the invention, the metal plates of the heat exchanger are welded into a whole, so that the heat exchanger can be in a seamless state after welding, a rubber gasket for sealing is not required to be additionally arranged in the heat exchanger, the heat exchanger can resist high pressure and acid and alkali, and the application range of the heat exchanger is greatly improved.
According to the heat exchanger structure, the rubber gasket is not required to be additionally arranged in the heat exchanger, so that the problem of fluid leakage caused by aging of the rubber gasket is avoided, the heat exchanger can be more durable, and frequent maintenance is not required for replacing the rubber gasket.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the metal plates of the present invention when they are opposed to each other.
FIG. 3 is a diagram illustrating a state of heat welding at a high temperature according to the present invention.
FIG. 4 is a view showing the state where the metal plates of the present invention are welded at high temperature.
Fig. 5 is a diagram showing a state of fluid delivery according to the present invention.
In the figure:
heat exchanger-10 metal plate-11
End face-12 fluid flow channel-13
Fluid inlet-14 fluid outlet-15.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
Generally, according to the present invention, as shown in fig. 2, the present invention provides a heat exchanger structure, wherein the heat exchanger 10 comprises a plurality of metal plates 11, each metal plate 11 has two end surfaces 12, at least one of the end surfaces 12 is provided with a fluid flow channel 13, the end surface 12 provided with the fluid flow channel 13 is used to provide another metal plate 11 for abutting, so that the at least two metal plates 11 can be smoothly aligned with the end surfaces 12 thereof, the at least two metal plates 11 are sintered by using high temperature after being aligned (see fig. 3), the aligned metal plates 11 are combined into a whole by high temperature welding (see fig. 1 and 4), the metal plates 11 can be used to form a complete heat exchanger 10 without additional locking or welding, the fluid flow channel 14 and at least one fluid output channel 15 are reserved on the metal plates 11, the fluid input channel 14 and the fluid output channel 15 are connected with the fluid flow channel 13 provided inside the heat exchanger 10, so that the fluid can be continuously supplied to the heat exchanger from the fluid flow channel 14, and the fluid flow through the fluid flow channel 13, and the fluid flow channel 15, and the fluid flow is continuously.
The invention provides a heat exchanger structure, wherein, the heat exchanger 10 is formed by welding two metal plates 11 into a whole, and a fluid flow channel 13 can be arranged between the two metal plates 11.
The present invention provides a heat exchanger structure, wherein the heat exchanger 10 is formed by welding three metal plates 11 (as shown in fig. 1 to 5), and a fluid flow channel 13 is disposed at the boundary of each metal plate 11.
The invention provides a heat exchanger structure, wherein the heat exchanger 10 is formed by welding more than three metal plates 11 into a whole, and a fluid flow channel 13 can be arranged at the boundary of each metal plate 11.
The invention provides a heat exchanger structure, wherein the heat exchanger 10 can be randomly prepared according to different units, and the welding quantity of the metal plates 11 can be randomly adjusted.
The invention provides a heat exchanger structure, wherein the fluid input channel 14 and the fluid output channel 15 are communicated with the fluid flow channel 13 after penetrating into the heat exchanger 10 from the end surface 12.
The invention provides a heat exchanger structure, wherein the fluid input channel 14 and the fluid output channel 15 are connected and communicated with the fluid flow channel 13 after penetrating into the heat exchanger 10 from the side edge of the metal plate 11.
The present invention provides a heat exchanger structure wherein the fluid is a liquid fluid.
The present invention provides a heat exchanger structure wherein the fluid is a gaseous fluid.
The heat exchanger structure has the following advantages: the heat exchanger 10 is formed by directly welding the metal plates 11, so that the trouble of locking the metal plates 11 one by one in assembly can be omitted, slow welding is not needed, the production of the heat exchanger 10 can be more efficient, and the processing cost is low; (II) the metal plates 11 of the heat exchanger 10 are welded together to form a seamless state after welding, so that a rubber gasket for sealing is not required to be additionally arranged in the heat exchanger 10, the heat exchanger 10 can resist high pressure and acid and alkali, and the application range of the heat exchanger is greatly improved; and thirdly, no rubber gasket is additionally arranged in the heat exchanger 10, so that the fluid can leak out without the aging of the rubber gasket, the heat exchanger 10 can be more durable, and frequent maintenance and repair are not needed for replacing the rubber gasket.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (8)
1. A heat exchanger structure characterized by:
the heat exchanger comprises a plurality of metal plates, wherein each metal plate is provided with two end faces, at least one end face is provided with a fluid flow channel, the end face provided with the fluid flow channel is used for providing a close contact with the other metal plate, so that the at least two metal plates can be smoothly jointed by the end faces, the at least two metal plates are sintered by high temperature after the jointing, the jointed metal plates are combined into a whole through high-temperature welding, the metal plates can form a complete heat exchanger without additional locking or welding, and the heat exchanger can be used by reserving at least one fluid input channel and at least one fluid output channel on the metal plates and connecting and communicating the fluid input channel and the fluid output channel with the fluid flow channel arranged in the heat exchanger, so that fluid can be sent into the heat exchanger from the fluid input channel to fully flow through the fluid flow channel and then sent out from the fluid output channel, and the applied unit is heated or cooled by utilizing the continuous flow of the fluid.
2. The heat exchanger structure as claimed in claim 1, wherein said heat exchanger is formed by welding two said metal plates together.
3. The heat exchanger structure of claim 1, wherein said heat exchanger is constructed by joining three said metal plates together so that a fluid flow path is provided at the interface of each of said metal plates.
4. The heat exchanger structure of claim 1, wherein said heat exchanger is constructed by welding a plurality of said metal plates together so that a fluid flow path is provided at the interface of each of said metal plates.
5. The heat exchanger structure of claim 1, wherein the fluid inlet channel and the fluid outlet channel are communicated with the fluid flow channel after penetrating into the heat exchanger from the end surface.
6. The heat exchanger structure of claim 1, wherein the fluid inlet channel and the fluid outlet channel are connected and communicated with the fluid flow channel after the side edges of the metal plates penetrate into the heat exchanger.
7. The heat exchanger structure of claim 1, wherein the fluid is a liquid fluid.
8. The heat exchanger structure of claim 1, wherein the fluid is a gaseous fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062609.8A CN115790207A (en) | 2021-09-10 | 2021-09-10 | Heat exchanger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111062609.8A CN115790207A (en) | 2021-09-10 | 2021-09-10 | Heat exchanger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115790207A true CN115790207A (en) | 2023-03-14 |
Family
ID=85417141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111062609.8A Pending CN115790207A (en) | 2021-09-10 | 2021-09-10 | Heat exchanger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115790207A (en) |
-
2021
- 2021-09-10 CN CN202111062609.8A patent/CN115790207A/en active Pending
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