CN219474394U - Novel heat exchange plate applied to welded plate type heat exchanger - Google Patents
Novel heat exchange plate applied to welded plate type heat exchanger Download PDFInfo
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- CN219474394U CN219474394U CN202320093543.7U CN202320093543U CN219474394U CN 219474394 U CN219474394 U CN 219474394U CN 202320093543 U CN202320093543 U CN 202320093543U CN 219474394 U CN219474394 U CN 219474394U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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Abstract
The utility model relates to a novel heat exchange plate applied to a welded plate heat exchanger, which is characterized in that circular arc-shaped inlet grooves and outlet grooves are respectively formed at the left end and the right end of a heat exchange plate, a liquid inlet and a liquid outlet are respectively formed between the inlet grooves and the outlet grooves of two heat exchange plates of a heat exchange plate pair, the area of a heat exchange plate group close to the liquid inlet is a flow distribution area, the middle area is a heat exchange area, and the area close to the liquid outlet is a flow collecting area. The utility model has the advantages of reduced welding difficulty, stronger shock resistance, no dead angle in circulation, full heat exchange, high heat transfer performance and the like.
Description
Technical Field
The utility model relates to the technical field of heat exchangers, in particular to a novel heat exchange plate applied to a welded plate type heat exchanger.
Background
The heat exchanger is a device for exchanging heat between two fluids to achieve the purposes of heating or cooling, and is widely applied to the fields of heating, ventilation and air conditioning, electric power, petrifaction, food pharmacy, ships, ferrous metallurgy and the like, and the heat exchange plate is a key component of the heat exchanger and is used for realizing the exchange of cold and hot heat.
The heat exchange plates of the prior welded plate heat exchanger are shown in figures 1 and 2, wherein the heat exchange plates are provided with a plurality of groups of heat exchange plate pairs 2' which are stacked together, a plurality of convex parts are uniformly distributed on the front surface of the heat exchange plate 1', the corresponding positions of the back surface of the heat exchange plate 1' and the convex parts are grooves, the heat exchange plate pairs are formed by stacking two heat exchange plates 1', the surfaces of the grooves of the two heat exchange plates 1' are stuck together, and a liquid capillary network is formed between the surfaces of the grooves; the surfaces of the convex parts between the adjacent heat exchange plate pairs 2 'are stuck together, a gas capillary network is formed between the surfaces of the convex parts, the ends of the two heat exchange plates 1' of the heat exchange plate pairs at the upper end and the lower end of the heat exchange plate are welded together to seal the heat exchange plates, a liquid inlet and a liquid outlet are formed between the adjacent heat exchange plate pairs, the upper end is a liquid inlet 6', the lower end is a liquid outlet 5', and the liquid inlet 6', the liquid outlet 5' and the liquid capillary network are communicated; the ends of the heat exchange plates at the left end and the right end of the heat exchange plate are welded together to be sealed, a gas inlet and a gas outlet are formed between the two heat exchange plates of the heat exchange plate pair, the left end is a gas inlet 3', and the right end is a gas outlet 4'; in use, the liquid medium is injected from the liquid inlet 6', is discharged from the liquid outlet 5' through the internal liquid capillary network, and the gas medium is injected from the gas inlet 3', is discharged from the gas outlet 4' through the internal gas capillary network, and the gas medium and the liquid medium realize heat exchange on the gas capillary network and the liquid capillary network.
Because the heat exchange plates comprise a plurality of groups of heat exchange plate pairs 2', at present, the liquid inlet and outlet interfaces are generally welded by using comb plates or inserts, and the lengths of the comb plates or inserts are consistent with the lengths of the heat exchange plates 1', so that the welding difficulty is high, the structural welding stress is concentrated, the running vibration resistance is weak, and leakage is easy to occur; meanwhile, as the liquid inlet and outlet are covered on the whole length of the heat exchange plate 1', a circulation dead zone is often caused, and the heat exchange performance of the heat exchange plate is affected.
Disclosure of Invention
Therefore, the utility model provides a novel heat exchange plate applied to a welded plate heat exchanger, which mainly solves the technical problems that the welding difficulty is high, the shock resistance is weak, the leakage is easy, the liquid inlet and outlet lengths are long, the liquid circulation dead zone is formed, and the heat exchange performance of the heat exchange plate is affected in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
a novel heat exchange plate applied to a welded plate heat exchanger comprises a heat exchange plate group; the heat exchange plate group consists of at least 2 heat exchange plate pairs stacked together; the heat exchange plate pair is formed by stacking two heat exchange plates; a plurality of convex parts are uniformly distributed on the front surface of the heat exchange plate; a groove is arranged at the back of the heat exchange plate and corresponds to the protruding part; the back surfaces of the two heat exchange plates of the heat exchange plate pair are stuck together, and a liquid capillary network is formed between the grooves of the two heat exchange plates; the front surfaces of the heat exchange plates of the adjacent heat exchange plate pairs are stuck together, and a gas capillary tube network is formed between the convex parts of the two heat exchange plates; the heat exchange plates of the heat exchange plate group are closed to the upper end and the lower end; a gas inlet and a gas outlet are respectively formed between adjacent heat exchange plate pairs at the upper end and the lower end of the heat exchange plate group, and arc-shaped inlet grooves and arc-shaped outlet grooves are respectively formed in the middle parts of the left end and the right end of the heat exchange plate; the left end and the right end of the heat exchange plate set are closed; a liquid inlet and a liquid outlet are respectively formed between the inlet grooves and the outlet grooves of the two heat exchange plates of the heat exchange plate pair; the area of the heat exchange plate set, which is close to the liquid inlet, is a diversion area; the middle area of the heat exchange plate group is a heat exchange area; the region of the heat exchange plate group close to the liquid outlet is a collecting region.
Optionally, welding pipelines are arranged on the liquid inlet and the liquid outlet; and the welded pipeline is provided with a liquid inlet and outlet hole.
Optionally, comb teeth welding slots are formed in the pipe walls of the welding pipes on two sides of the liquid inlet and outlet holes.
Optionally, the length of the comb teeth welding slot is as follows: 5-15mm.
Preferably, the welded pipe is a semicircular pipe.
The utility model has at least the following beneficial effects:
the left end and the right end of the heat exchange plate are respectively provided with an arc-shaped inlet groove and an arc-shaped outlet groove, a liquid inlet and a liquid outlet are respectively formed between the inlet grooves and the outlet grooves of the two heat exchange plates, the area of the heat exchange plate group close to the liquid inlet is a flow distribution area, the middle area of the heat exchange plate group is a heat exchange area, and the area of the heat exchange plate group close to the liquid outlet is a flow collection area.
Therefore, the novel heat exchange plate applied to the welded plate heat exchanger has the advantages of reduced welding difficulty, strong shock resistance, no circulation dead angle, full heat exchange, high heat transfer performance and the like.
Drawings
In order to more clearly illustrate the prior art and the present utility model, the drawings used in the description of the prior art and the embodiments of the present utility model will be briefly described. It will be apparent to those skilled in the art that the drawings in the following description are merely exemplary and that other drawings may be derived from the drawings provided without the inventive effort to those skilled in the art.
The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the utility model, which is defined by the claims, for example, modifications, variations in proportions, or otherwise, used in the practice of the utility model, which are particularly adapted to specific environments without departing from the spirit and scope of the utility model.
FIG. 1 is a schematic view of a prior art welded plate heat exchanger plate;
FIG. 2 is a front view of a prior art welded plate heat exchanger;
FIG. 3 is a schematic view of a novel heat exchanger plate used in a welded plate heat exchanger according to the present utility model;
FIG. 4 is a schematic view of a heat exchanger plate of the present utility model applied to a novel heat exchanger plate of a welded plate heat exchanger;
FIG. 5 is a front view of a heat exchanger plate of the present utility model applied to a novel heat exchanger plate of a welded plate heat exchanger;
FIG. 6 is a cross-sectional view taken along the direction A-A of FIG. 5 of a novel heat exchanger plate of the present utility model applied to a welded plate heat exchanger;
FIG. 7 is a schematic view of a heat exchanger plate assembly of the present utility model applied to a novel heat exchanger plate of a welded plate heat exchanger;
FIG. 8 is a front view of a plate package of a novel heat exchanger plate for use in a welded plate heat exchanger according to the present utility model;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8 of a novel heat exchanger plate of the present utility model applied to a welded plate heat exchanger;
FIG. 10 is a schematic view of a welded pipe used for welding a novel heat exchanger plate of a plate heat exchanger according to the present utility model;
reference numerals illustrate:
1. a heat exchange plate group; 2. a heat exchange plate; 201. a boss; 202. a groove; 203. an inlet slot; 204. an outlet slot; 3. welding a pipeline; 301. a liquid inlet and outlet hole; 302. the comb teeth are welded with the slots; 4. a split area; 5. a heat exchange area; 6. a current collecting region; 7. a gas inlet; 8. a gas outlet; 9. a liquid outlet; 10. a liquid inlet; 11. a gas capillary network; 12. a liquid capillary network.
Detailed Description
The present application is further described in detail below with reference to the attached drawings.
In the description of the present application: unless otherwise indicated, the meaning of "a plurality" is two or more. The terms "first," "second," "third," and the like in this application are intended to distinguish between the referenced objects without a special meaning in terms of technical connotation (e.g., should not be construed as emphasis on degree or order of importance, etc.). The expressions "comprising", "including", "having", etc. also mean "not limited to" (certain units, components, materials, steps, etc.).
The terms such as "upper", "lower", "left", "right", "middle", and the like, as referred to in this application, are generally used for convenience in visual understanding with reference to the drawings, and are not intended to be an absolute limitation of the positional relationship in actual products. Such changes in relative positional relationship are considered to be within the scope of the present description without departing from the technical concepts disclosed herein.
The utility model relates to a novel heat exchange plate applied to a welded plate heat exchanger, as shown in figures 3 to 10, which comprises a heat exchange plate group 1, wherein the heat exchange plate group 1 consists of at least 2 heat exchange plate pairs stacked together, each heat exchange plate pair consists of two heat exchange plates 2 stacked together, a plurality of convex parts 201 are uniformly distributed on the front surface of each heat exchange plate 2, grooves 202 are arranged at positions corresponding to the convex parts 201 on the back surfaces of the heat exchange plates 2, the back surfaces of the two heat exchange plates 2 of each heat exchange plate pair are stuck together, a liquid capillary network 12 is formed between the grooves 202 on the back surfaces of the two heat exchange plates 2, the front surfaces of the heat exchange plates 2 of adjacent heat exchange plate pairs are stuck together, a gas capillary network 11 is formed between the convex parts 201 on the front surfaces of the two heat exchange plates 2, the upper end and the lower end parts of the heat exchange plate group 1 are closed, the upper end and the lower end parts of the heat exchange plate pairs can be welded together in a welding mode, a gas inlet 7 and a gas outlet 8 are respectively formed between the adjacent heat exchange plate pairs on the upper end and the lower end of the heat exchange plate group 1, gas is injected from a gas inlet 7 and flows out from a gas outlet 8 through a gas capillary tube network 11, circular arc-shaped inlet grooves 203 and outlet grooves 204 are respectively formed in the middle parts of the left end and the right end of the heat exchange plate 2, the end parts of two heat exchange plates 2 of the heat exchange plate group 1 except the inlet grooves 203 and the outlet grooves 204 are closed, meanwhile, the end parts of the heat exchange plates 2 of the adjacent heat exchange plate pair are also closed, a liquid inlet 10 and a liquid outlet 9 are respectively formed between the inlet grooves 203 and the outlet grooves 204 of the two heat exchange plates 2 of the heat exchange plate group, the area of the heat exchange plate group 1 close to the liquid inlet 10 is a diversion area 4, the middle area of the heat exchange plate group 1 is a heat exchange area 5, the area of the heat exchange plate group 1 close to the liquid outlet 9 is a collecting area 6, thus, after the liquid medium enters from the liquid inlet 10, the circular arc-shaped circle centers of the liquid inlet 10 are used as centers to spray outwards, the liquid flows out of the liquid outlet 9 after being collected in the collecting area 6 after being diffused in the distributing area 4 and entering the heat exchange area 5, thereby avoiding the circulation dead area, and the heat exchange area 5 can be used for carrying out sufficient heat exchange to improve the heat transfer performance.
Optionally, for convenient connection with external pipelines, the liquid inlet 10 and the liquid outlet 9 are both provided with a welding pipeline 3, the welding pipeline 3 is provided with a liquid inlet and outlet hole 301, and the liquid inlet and outlet hole 301 is communicated with the liquid inlet 10 or the liquid outlet 9.
Optionally, in order to facilitate welding between the welded pipe 3 and the heat exchange plate 2, comb teeth welding slots 302 are formed on the pipe wall of the welded pipe 3 at two sides of the liquid inlet and outlet 301, the inlet slot 203 or the outlet slot 204 of the heat exchange plate 2 is inserted into the comb teeth welding slots 302, and the welded pipe 3 and the heat exchange plate 2 are welded together in a welding manner, so that the liquid inlet and outlet 301 is communicated with the liquid inlet 10 or the liquid outlet 9.
Alternatively, since the welding is performed only on the inlet slot 203 or the outlet slot 204, the welding length is reduced, and the welding difficulty is reduced, so the length of the comb welding slot 302 may be selected as follows: 5-15mm, so that the space occupied by the welding structure space of the plate is reduced, and the overcurrent space is improved.
Preferably, in the subsequent use, another pipe needs to be welded on the welded pipe 3 to form a liquid flowing pipe, so that the welded pipe 3 is designed into a semicircular pipe to facilitate welding and processing between the other pipe and the welded pipe 3.
When the heat exchange device is used, the other half of the pipelines are welded on the welding pipeline 3 to form a liquid inlet pipe and a liquid discharge pipe respectively, the liquid inlet pipe is installed on the welding plate type heat exchanger, liquid is input on the liquid inlet pipe, gas is injected on the gas inlet, the liquid enters the gas inlet, diffuses in the flow distribution area and enters the heat exchange area to exchange heat with the gas in the heat exchange area, the liquid is collected in the collecting area and flows out from the liquid outlet and is discharged from the liquid discharge pipe, and the gas after heat exchange in the heat exchange area flows out from the gas outlet, so that the exchange between cold and hot heat of two media is realized.
The foregoing has outlined and detailed description of the present application in terms of the general description and embodiments. It should be appreciated that numerous conventional modifications and further innovations may be made to these specific embodiments, based on the technical concepts of the present application; but such conventional modifications and further innovations may be made without departing from the technical spirit of the present application, and such conventional modifications and further innovations are also intended to fall within the scope of the claims of the present application.
Claims (5)
1. A novel heat exchange plate applied to a welded plate heat exchanger comprises a heat exchange plate group (1); the heat exchange plate group (1) consists of at least 2 heat exchange plate pairs stacked together; the heat exchange plate pair is formed by stacking two heat exchange plates (2); a plurality of protruding parts (201) are uniformly distributed on the front surface of the heat exchange plate (2); a groove (202) is arranged at the back of the heat exchange plate (2) and at a position corresponding to the protruding part (201); the back surfaces of the two heat exchange plates (2) of the heat exchange plate pair are stuck together, and a liquid capillary network (12) is formed between the grooves (202) of the two heat exchange plates (2); the front surfaces of the heat exchange plates (2) of the adjacent heat exchange plate pairs are stuck together, and a gas capillary tube network (11) is formed between the convex parts (201) of the two heat exchange plates (2); the heat exchange plates of the heat exchange plate group (1) are closed at the upper end and the lower end; a gas inlet (7) and a gas outlet (8) are respectively formed between adjacent heat exchange plate pairs at the upper end and the lower end of the heat exchange plate group (1), and the heat exchange plate group is characterized in that arc-shaped inlet grooves (203) and outlet grooves (204) are respectively formed in the middle parts of the left end and the right end of the heat exchange plate (2); the left end and the right end of the heat exchange plate group (1) are closed; a liquid inlet (10) and a liquid outlet (9) are respectively formed between an inlet groove (203) and an outlet groove (204) of the two heat exchange plates (2) of the heat exchange plate pair; the area of the heat exchange plate group (1) close to the liquid inlet (10) is a diversion area (4); the middle area of the heat exchange plate group (1) is a heat exchange area (5); the area of the heat exchange plate group (1) close to the liquid outlet (9) is a collecting area (6).
2. A new heat exchanger plate for welded plate heat exchangers according to claim 1, characterized in that the liquid inlet (10) and the liquid outlet (9) are provided with welded pipes (3); the welding pipeline (3) is provided with a liquid inlet and outlet hole (301).
3. A novel heat exchanger plate for a welded plate heat exchanger according to claim 2, wherein comb teeth welding slots (302) are formed in the wall of the welding pipe (3) at both sides of the liquid inlet and outlet hole (301).
4. A new heat exchanger plate for a welded plate heat exchanger according to claim 3, wherein the comb teeth welding slots (302) have a length of: 5-15mm.
5. A new heat exchanger plate for welded plate heat exchangers according to any of claims 2-4, characterized in that the welded pipe (3) is a semicircular pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093543.7U CN219474394U (en) | 2023-01-31 | 2023-01-31 | Novel heat exchange plate applied to welded plate type heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320093543.7U CN219474394U (en) | 2023-01-31 | 2023-01-31 | Novel heat exchange plate applied to welded plate type heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474394U true CN219474394U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320093543.7U Active CN219474394U (en) | 2023-01-31 | 2023-01-31 | Novel heat exchange plate applied to welded plate type heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474394U (en) |
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2023
- 2023-01-31 CN CN202320093543.7U patent/CN219474394U/en active Active
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