CN203848734U - Corrugated fin of heat exchanger - Google Patents
Corrugated fin of heat exchanger Download PDFInfo
- Publication number
- CN203848734U CN203848734U CN201420281890.3U CN201420281890U CN203848734U CN 203848734 U CN203848734 U CN 203848734U CN 201420281890 U CN201420281890 U CN 201420281890U CN 203848734 U CN203848734 U CN 203848734U
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- CN
- China
- Prior art keywords
- corrugated
- heat
- heat exchanger
- dividing wall
- exchanger
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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.)
- Expired - Fee Related
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
A corrugated fin of a heat exchanger is provided with a strip plate made of a sheet and is characterized in that the strip plate is a corrugated plate in the length direction, the upper edge and the lower edge of the strip plate are corrugated lines, and the strip plate is provided with corrugated lines in the length direction. When the fins are used, the lower edges of the corrugated fins of multiple heat exchangers are connected with a dividing wall of a dividing wall type heat exchanger, so that the corrugated plate faces of the corrugated fins of the heat exchangers are parallel, fluid flows along the gap between adjacent corrugated fins of the heat exchangers by means of the corrugated fins of the heat exchangers, and the corrugated faces of the corrugated fins of the heat exchangers have a baffling function on flow of the fluid when the fluid flows along the gap between corrugated fins of the heat exchangers. On the condition that flow is not changed, the turbulent degree of the fluid is increased, the heat-transfer film coefficient of the dividing wall type heat exchanger can be improved, the heat transfer rate is improved, and influences on the heat transfer rate of the dividing wall type heat exchanger are large.
Description
Technical field
The utility model relates to a kind of dividing wall type heat exchanger fin, particularly the shape of a dividing wall type kind heat exchanger fin.
Background technology
Dividing wall type heat exchanger is for heat-shift between cold and hot fluid.Between the cold and hot fluid of dividing wall type heat exchanger, have partition, partition can not mix cold and hot fluid, can only allow heat exchange by partition.The rate of heat transfer of dividing wall type heat exchanger is with relevant with film coefficient of heat transfer, heat transfer area and temperature difference.In order to expand the heat transfer area of dividing wall type heat exchanger, can on wall between dividing wall type heat exchanger, be connected with fin, on a wall, be connected with the heat transfer area that fin has expanded dividing wall type heat exchanger effectively, thus also improve dividing wall type heat exchanger rate of heat transfer.
In wall-type heat exchange process, film coefficient of heat transfer also affects rate of heat transfer significantly.In there is no the wall-type heat exchange process of phase transformation, film coefficient of heat transfer is except outside the Pass having with the physical state of cold and hot fluid, and also relevant with the thickness of heat-transfer film, the thinner film coefficient of heat transfer of heat-transfer film is higher.The thickness of heat-transfer film is relevant with the flowing velocity of cold and hot fluid, and the flowing velocity of cold and hot fluid is higher, and the thickness of heat-transfer film is thinner.Constant in situation at flow, the flow regime of fluid impact is relevant with the thickness of heat-transfer film, and the mobile less turbulence of fluid is higher, and the thickness of heat-transfer film is thinner.
In prior art, the fin connecting on wall between dividing wall type heat exchanger is the stripe board made from thin plate, the upper and lower limit of stripe board parallels, upper and lower limit is in the plane at stripe board place, this stripe board is plate fin, during use, the following of many plate fins is connected on the partition wall of wall-type heat exchange abreast, and many plate fins make fluid along the Clearance Flow between adjacent plate fin.This heat exchanger fin, convection cell mobile do not have baffling effect, or baffling effect is very little, constant in situation at flow, plate fin fluid flow does not have baffling effect, so the impact of the less turbulence of fluid flow is little, plate shaped fin is not very large on the rate of heat transfer impact of dividing wall type heat exchanger, so adopt the rate of heat transfer of the dividing wall type heat exchanger of plate shaped fin, is not very high.
Summary of the invention
The purpose of this utility model is in order to overcome above-mentioned deficiency, proposes the larger heat-exchanger ripple fin of a kind of impact of the rate of heat transfer on dividing wall type heat exchanger.
The utility model is realized with the following method.
The stripe board that the useful thin plate of heat-exchanger ripple fin is made, stripe board is corrugated plating along its length, the upper and lower limit of heat-exchanger ripple fin is all wave molding, has ripple along its length in stripe board.
During use, on the partition wall that is connected in below wall-type heat exchange of many heat-exchanger ripple fins, allow the corrugated plating face of heat-exchanger ripple fin parallel, many heat-exchanger ripple fin makes fluid along the Clearance Flow between adjacent heat-exchanger ripple fin, fluid is during along Clearance Flow between adjacent heat-exchanger ripple fin, the corrugated surface convection cell of heat-exchanger ripple fin mobile has baffling effect, constant in situation at flow, the utility model increases the mobile less turbulence of fluid, can improve the film coefficient of heat transfer of dividing wall type heat exchanger, and then raising rate of heat transfer, the utility model is larger on the rate of heat transfer impact of dividing wall type heat exchanger.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Fig. 1 looks schematic diagram according to the master of a kind of heat-exchanger ripple fin of scheme of the invention proposition of the present utility model;
Fig. 2 is the schematic top plan view of Fig. 1.
The specific embodiment
In Fig. 1, Fig. 2, the stripe board 1 that the useful thin plate of heat-exchanger ripple fin is made, stripe board is corrugated plating along its length, the upper and lower limit of heat-exchanger ripple fin is all wave molding 2,3, has ripple 4 along its length in stripe board.
Claims (1)
1. a heat-exchanger ripple fin, the stripe board that useful thin plate is made, is characterized in that: stripe board is corrugated plating along its length, the upper and lower limit of stripe board is all wave molding, has ripple along its length in stripe board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281890.3U CN203848734U (en) | 2014-05-30 | 2014-05-30 | Corrugated fin of heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420281890.3U CN203848734U (en) | 2014-05-30 | 2014-05-30 | Corrugated fin of heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848734U true CN203848734U (en) | 2014-09-24 |
Family
ID=51561741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420281890.3U Expired - Fee Related CN203848734U (en) | 2014-05-30 | 2014-05-30 | Corrugated fin of heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848734U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352229A (en) * | 2015-12-09 | 2016-02-24 | 浙江腾云制冷科技有限公司 | Vaporizing board of evaporator |
-
2014
- 2014-05-30 CN CN201420281890.3U patent/CN203848734U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105352229A (en) * | 2015-12-09 | 2016-02-24 | 浙江腾云制冷科技有限公司 | Vaporizing board of evaporator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 Termination date: 20190530 |