CN207050521U - Spiral combined parallel heat exchanger - Google Patents
Spiral combined parallel heat exchanger Download PDFInfo
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- CN207050521U CN207050521U CN201720978529.XU CN201720978529U CN207050521U CN 207050521 U CN207050521 U CN 207050521U CN 201720978529 U CN201720978529 U CN 201720978529U CN 207050521 U CN207050521 U CN 207050521U
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Abstract
It the utility model is related to technical field of heat exchange, specifically provide a kind of spiral combined parallel heat exchanger, including cold media flow channel and heat medium flow channel group, the heat medium flow channel group includes at least two heat medium flow channels, and it is bonded and sets between the outer wall of each heat medium flow channel, the path of each heat medium flow channel is twist in cold media flow channel and the heat medium flow channel group, the wherein side outer wall of cold media flow channel is bonded setting with the heat medium flow channel group, air layer is separated between heat medium flow channel group described in opposite side outer wall and a upper ring, medium flow direction in adjacent channels is opposite；The heat exchanger to be exchanged heat for multimedium combination is integrated into a heat exchanger by the heat exchanger, amount of parts is greatly reduced, and the internal stress as caused by temperature change can cancel themselves, have the advantages that it is safe, have resistance to pressure is good, conformity of production is good, Rapid Trial-Manufacture.
Description
Technical Field
The utility model relates to a heat exchange technology field, in particular to spiral combination parallel heat exchanger.
Background
The heat exchanger is an indispensable important component in modern industrial production and people's life, such as power, metallurgy, chemical engineering, petroleum, construction, mechanical manufacturing, food, medicine, aviation, aerospace, ships and automobiles. The product has various forms and wide application occasions, and most of the application occasions have various mediums and need heat exchange.
The existing solution mainly adopts a plurality of traditional heat exchangers for combined use, and although the purpose of combined heat exchange can be achieved, the mode has the defects of low efficiency of a single heat exchanger (mainly a shell-and-tube radiator), complex pipeline connection between the heat exchangers, heavy system heat exchange weight, large whole heat exchange system volume and the like, so that the overall performance is limited or the whole heat exchange system cannot be used in the occasions with high product integration level, strict space limitation and severe weight control.
SUMMERY OF THE UTILITY MODEL
For overcoming an at least defect that above-mentioned prior art exists, the utility model provides a spiral combination parallel heat exchanger, including cold medium runner and hot medium runner group, this hot medium runner group includes two at least hot medium runners, and the laminating setting between the outer wall of each hot medium runner, the cold medium runner with the route of each hot medium runner all is the spiral in the hot medium runner group, one of them side outer wall of cold medium runner with the laminating setting of hot medium runner group, opposite side outer wall and last ring separate between the hot medium runner group has the air bed, and the medium flow in the adjacent runner is opposite.
Preferably, the heat medium flow channel group comprises two heat medium flow channels, namely a heat medium flow channel a and a heat medium flow channel B, the cold medium flow channel and the heat medium flow channel a are arranged in a fitting manner, and an air layer is arranged between the cold medium flow channel and the heat medium flow channel B.
Preferably, the cross sections of the cooling medium flow passage, the heat medium flow passage a and the heat medium flow passage B are rectangular.
Preferably, the heat exchanger is cylindrical as a whole, the cold medium flow channel is provided with a cold medium flow channel inlet and a cold medium flow channel outlet, the heat medium flow channel A is provided with a heat medium flow channel inlet and a heat medium flow channel outlet, the heat medium flow channel B is provided with a heat medium flow channel inlet and a heat medium flow channel outlet, the cold medium flow channel inlet, the heat medium flow channel outlet and the heat medium flow channel inlet are located on one side of the heat exchanger, and the cold medium flow channel outlet, the heat medium flow channel inlet and the heat medium flow channel outlet are located on the other side of the heat exchanger.
Preferably, the heat exchanger is of an integrally formed structure.
The utility model provides a spiral combination parallel heat exchanger has overcome the shortcoming that traditional heat exchanger heat exchange efficiency is low, bulky, weight is big, and the heat exchanger combination that will be used for the multimedium heat transfer is integrated to a heat exchanger, and spare part quantity reduces substantially, and can offset by oneself by the internal stress that temperature variation arouses, has the security height, has advantages such as the resistance to pressure is good, the production uniformity is good, try to make fast.
Drawings
FIG. 1 is a schematic structural diagram of a spiral combined parallel heat exchanger;
fig. 2 is a side view partially schematic diagram of a spiral combination parallel heat exchanger.
Reference numerals: a cooling medium channel 1, a cooling medium channel inlet 11, a cooling medium channel outlet 12, an A heat medium channel 2, an A heat medium channel inlet 21, an A heat medium channel outlet 22, a B heat medium channel 3, a B heat medium channel inlet 31, a B heat medium channel outlet 32 and an air layer 4.
Detailed Description
In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.
It should be noted that: the embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described are some embodiments of the present invention, not all embodiments, and features in embodiments and embodiments in the present application may be combined with each other without conflict. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be taken as limiting the scope of the invention.
The utility model provides a spiral combination parallel heat exchanger with high heat exchange efficiency, light weight and small volume. As shown in Figure 1, it includes a cold medium flow channel 1 and a heat medium flow channel group. The heat medium flow channel The group includes at least two heat medium flow channels, and the outer walls of each heat medium flow channel are arranged in close contact with each other. The heat medium in each heat medium flow channel can be the same medium or different media. The paths of the cold medium flow passage 1 and the heat medium flow passages in the heat medium flow passage group are spiral-shaped, that is, the flow passage is designed according to parameters such as heat exchange, flow, pressure, etc., along with the same lead, The rising angle is composed of multi-medium flow passages formed by multiple spiral lines of different lengths. One side of the cold medium flow passage 1 has an outer wall attached to the heat medium flow passage group, and the other side of the outer wall is connected to the upper ring The heat medium flow channel group is separated by an air layer 4, and the air layer 4 is used for heat insulation. As shown in Figure 2, the flow channels of the heat exchanger are the cold medium flow channel 1 and the heat medium flow channel A in the axial direction. 2. B heat medium flow channel 3, air layer, cold medium flow channel 1, A heat medium flow channel 2..., meanwhile, the flow direction of the medium in the adjacent flow channels is opposite to increase the heat exchange efficiency. The entire heat exchanger passes through the cold, The thin metal walls between the heating media exchange heat. In actual product design, according to the heat exchange requirements and the state of the cold and heat media, a combined heat exchange of multiple media can be carried out; in this embodiment, the heat exchange is preferred. The device is a one-piece structure, and it is formed by 3D printing at one time. The structure has good pressure resistance and the shape is not limited to traditional shapes such as cylinders. It can be changed according to needs. The space utilization rate is high. The cycle from design to production is short, and rapid trial production can be achieved. /Quick response.
In one embodiment, the heat medium flow channel group includes two heat medium flow channels, namely a heat medium flow channel 2 a and a heat medium flow channel 3B, the cooling medium flow channel 1 and the heat medium flow channel 2 a are attached to each other, an air layer is separated between the cooling medium flow channel 1 and the heat medium flow channel 3B, the cross sections of the cooling medium flow channel 1, the heat medium flow channel 2 a and the heat medium flow channel 3B are rectangular, the heat exchanger is integrally cylindrical, the cooling medium flow channel 1 has a cooling medium flow channel inlet 11 and a cooling medium flow channel outlet 12, the heat medium flow channel 2 a has a heat medium flow channel inlet 21 a and a heat medium flow channel outlet 22 a, the heat medium flow channel 3B has a heat medium flow channel inlet 31B and a heat medium flow channel outlet 32B, wherein the cooling medium flow channel inlet 11, the heat medium flow channel outlet 22 a and the heat medium flow channel inlet 31B are located on one side of the heat exchanger, and the cooling medium flow channel, The A heat medium flow channel inlet 21 and the B heat medium flow channel outlet 32 are positioned at the other side of the heat exchanger;
in the using process, firstly, heat exchange is carried out between a cold medium and a heat medium A through a metal thin wall between the cold medium and the heat medium A, meanwhile, heat exchange is carried out between the heat medium A and the heat medium B through the metal thin wall between the heat medium A and the heat medium B, the cold medium, the heat medium A and the heat medium B complete a heat exchange cycle, after a plurality of heat exchange cycles, the cold medium, the heat medium A and the heat medium B are led out of a heat exchanger through respective flow channels, the heat exchange process is finished, wherein in each heat exchange cycle, in order to ensure that the temperature change gradient is unchanged, an air layer is used as an isolating layer between the.
Compared with an array formed by the existing multi-heat exchangers, the parallel combined multi-medium heat exchange system has the advantages that a large number of pipelines, joints, elbows, tee joints, flange plates, bolts, nuts, hoops, sealing rings, supports and other parts among the heat exchangers are omitted, the sealing performance of the whole system is better, and the flow resistance among the heat exchangers is reduced to the minimum. Meanwhile, a plurality of links in production, installation, debugging, inspection and maintenance can be effectively reduced. Save a large amount of time, manpower, material resources, the internal stress that arouses by the temperature variation can offset by oneself simultaneously, can be high temperature resistant, high pressure, and the security is high.
And under the same heat transfer volume, the utility model provides a spiral combination parallel heat exchanger compares with current shell and tube heat exchanger, and the volume ratio is about 0.35: 1. a weight ratio of about 0.05: 1. a flow resistance ratio of about 0.3: 1, therefore, the heat exchanger has larger heat exchange area, higher average temperature difference and higher heat exchange coefficient, and the volume and flow resistance are obviously reduced.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (5)
1. A spiral combination parallel heat exchanger is characterized in that: including cold medium runner (1) and hot medium runner group, this hot medium runner group includes two at least hot medium runners, and the laminating sets up between the outer wall of each hot medium runner, cold medium runner (1) with the route of each hot medium runner in the hot medium runner group all is the spiral, one of them side outer wall of cold medium runner (1) with the laminating of hot medium runner group sets up, and opposite side outer wall and last ring it has air bed (4) to separate between the hot medium runner group, and the medium flow in the adjacent runner is opposite.
2. A spiral combination parallel heat exchanger according to claim 1, wherein: the heat medium runner group comprises two heat medium runners, namely an A heat medium runner (2) and a B heat medium runner (3), the cold medium runner (1) and the A heat medium runner (2) are attached, and an air layer is arranged between the cold medium runner (1) and the B heat medium runner (3).
3. A spiral combination parallel heat exchanger according to claim 2, wherein: the cross sections of the cold medium flow passage (1), the heat medium flow passage A (2) and the heat medium flow passage B (3) are all rectangular.
4. A spiral combination parallel heat exchanger according to claim 2, wherein: the heat exchanger is integrally cylindrical, the cold medium flow channel (1) is provided with a cold medium flow channel inlet (11) and a cold medium flow channel outlet (12), the A heat medium flow channel (2) is provided with an A heat medium flow channel inlet (21) and an A heat medium flow channel outlet (22), the B heat medium flow channel (3) is provided with a B heat medium flow channel inlet (31) and a B heat medium flow channel outlet (32), the cold medium flow channel inlet (11), the A heat medium flow channel outlet (22) and the B heat medium flow channel inlet (31) are located on one side of the heat exchanger, and the cold medium flow channel outlet (12), the A heat medium flow channel inlet (21) and the B heat medium flow channel outlet (32) are located on the other side of the heat exchanger.
5. A spiral combination parallel heat exchanger according to claim 1, wherein: the heat exchanger is of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978529.XU CN207050521U (en) | 2017-08-07 | 2017-08-07 | Spiral combined parallel heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720978529.XU CN207050521U (en) | 2017-08-07 | 2017-08-07 | Spiral combined parallel heat exchanger |
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| CN207050521U true CN207050521U (en) | 2018-02-27 |
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| CN201720978529.XU Active CN207050521U (en) | 2017-08-07 | 2017-08-07 | Spiral combined parallel heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560175A (en) * | 2020-12-10 | 2021-03-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Design method of heat exchange system |
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- 2017-08-07 CN CN201720978529.XU patent/CN207050521U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112560175A (en) * | 2020-12-10 | 2021-03-26 | 中国航空工业集团公司沈阳飞机设计研究所 | Design method of heat exchange system |
| CN112560175B (en) * | 2020-12-10 | 2024-02-02 | 中国航空工业集团公司沈阳飞机设计研究所 | Design method of heat exchange system |
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