CN204987562U - Heat exchanger - Google Patents
Heat exchanger Download PDFInfo
- Publication number
- CN204987562U CN204987562U CN201520127188.6U CN201520127188U CN204987562U CN 204987562 U CN204987562 U CN 204987562U CN 201520127188 U CN201520127188 U CN 201520127188U CN 204987562 U CN204987562 U CN 204987562U
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- China
- Prior art keywords
- heat exchanger
- corrosion
- refrigerant pipe
- metal layer
- exchanger plates
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Abstract
The utility model relates to a heat exchanger. It includes refrigerant pipe and two blocks of heat transfer boards, the heat transfer board is copper or aluminum plate, the equal punching press of internal surface of two heat transfer boards have with refrigerant pipe assorted arc recess, in the arc recess of refrigerant pipe quilt pressure between two blocks of heat transfer boards, refrigerant outside of tubes wall and arc recessed wall in close contact with, the hot spraying of heat transfer board surface has and is used for anticorrosive, anti -oxidant anti -corrosion of metal layer, the surface on anti -corrosion of metal layer scribbles the inoxidizing coating. Because the utility model discloses a surface heat spraying of heat transfer board has the anti -corrosion of metal layer, the utility model discloses a heat transfer board can adopt the better but non -corrosibility of heat conductivility can relatively poor copper, and the anti -corrosion of metal layer has completely cut off water, air etc. And copper well to solved the not corrosion resistant shortcoming of copper, improved the utility model discloses a heat transfer effect with prolonged the utility model discloses a life. Consequently the utility model discloses the stainless steel that need not to use the heat conductivility general.
Description
Technical field
The utility model relates to a kind of heat exchanger of evaporation refrigeration system.
Background technology
Existing evaporative condensers in refrigeration comprises refrigerant copper pipe, and copper pipe is in atmosphere exposed.Flow through from copper pipe surface by drenching water and air above copper pipe, refrigerant in water, air and copper pipe carries out heat exchange, to reduce the temperature of refrigerant in copper pipe, this cooling method goes through evil to Copper Tube Corrosion, shorten the service life of heat exchanger, and heat transfer effect is also not remarkable, and Long-Time Service, copper pipe easily occurs pit, and refrigerant runs off serious.For above-mentioned technical problem, the manufacturer of China just have developed a Novel evaporative condenser, as China Patent No. 200920188551.X heat-exchange device disclosed in 19 days Mays in 2010, it comprises refrigerant pipe, refrigerant pipe is crushed between two pieces of metallic plates, refrigerant pipe cross section is ellipticity, two pieces of metallic plates are provided with the through hole that air passes through, described metallic plate is corrosion resistant plate, the antiseptic property of corrosion resistant plate is good, protect refrigerant pipe well, effectively improve evaporative condenser heat transfer effect, extend the service life of evaporative condenser.But this evaporative condenser still has the following disadvantages: (one) due to stainless thermal conductivity factor little, therefore the heat conductivility of corrosion resistant plate is general, and the heat transfer effect of heat exchanger plates still has much room for improvement.(2) Long-Time Service, the refrigerant pipe be exposed to outside metallic plate is easily corroded, and refrigerant is easily revealed, thus shortens the service life of evaporative condenser, and therefore antiseptic property of the present utility model still has much room for improvement.
Summary of the invention
Therefore, the purpose of this utility model is to provide a kind of more reasonable structure, longer service life, heat transfer effect better heat exchanger.
The purpose of this utility model is achieved in that
A kind of heat exchanger, comprise refrigerant pipe and two pieces of heat exchanger plates, described heat exchanger plates is copper coin or aluminium sheet, described refrigerant pipe is snakelike tubulose, refrigerant pipe cross section is waist-shaped hole shape, the equal punching press of inner surface of two heat exchanger plates has the arc groove matched with refrigerant pipe, described refrigerant pipe is crushed in the arc groove between two pieces of heat exchanger plates, refrigerant pipe outer wall and arc groove inwall close contact, described two pieces of heat exchanger plates are provided with convection holes equably, described heat exchanger plates is evenly provided with water conservancy diversion convex tendon, described heat exchanger plates outer surface heat is coated with for anticorrosion, oxidation resistant anti-corrosion of metal layer, the outer surface of described anti-corrosion of metal layer scribbles overcoat.
Described heat exchanger plates is copper coin or aluminium sheet, it is all large that copper and the thermal conductivity factor of aluminium compare the alloys such as stainless steel, and easily obtain, therefore the good heat conductivity of copper and aluminium, be the preferred material of heat exchanger plates of the present utility model, the outer surface heat due to heat exchanger plates is coated with anti-corrosion of metal layer, and anti-corrosion of metal layer has completely cut off water, air etc. and heat exchanger plates well, thus solve the not corrosion resistant shortcoming of copper coin, extend service life of the present utility model.Heat exchanger plates of the present utility model just without the need to alloy materials such as the stainless steels that adopts heat conductivility to take second place, thus improves heat transfer effect of the present utility model effectively.Described water conservancy diversion convex tendon plays drainage to water flow energy, make heat exchanger plates not to have ponding and affect heat exchange, water after heat exchange can flow away from heat exchanger plates rapidly, and water conservancy diversion convex tendon also increases the heat exchange area of heat exchanger plates simultaneously, thus makes the heat transfer effect of heat exchanger plates better.Because thermal spray metal anticorrosive coat generally can exist a large amount of pores, need to close with resin solution, as epoxy resin, polyurethane and polyacrylate etc., its anti-corrosion life of anti-corrosion of metal layer obtained like this extends greatly, in atmospheric environment, service life can reach 30 years, thus extends service life of the present utility model further.
The utility model also can do and improve further.
The thickness of described anti-corrosion of metal layer is 0.4-0.7mm, and be preferably 0.5mm, because anti-corrosion of metal layer thickness is excessive, can increase the thermal resistance of heat in transmittance process, therefore the thickness of anti-corrosion of metal layer is 0.5mm is most suitable.
Described anti-corrosion of metal layer is aluminium or zinc, preferably aluminium, aluminum is a kind of well non-corrosive metal (NCM) inherently, it can form the oxide-film that one deck prevents metal erosion in humid air, and the thermal conductivity factor of aluminium is large, radiating efficiency is high, lightweight, anticorrosive, thus air, water and metallic plate can be intercepted further.
Described convection holes can be square circular or oval or venetian blind type inclined hole shape, preferably venetian blind type inclined hole shape, described convection holes is washed into venetian blind type inclined hole shape, both the heat exchange area of heat exchanger plates can not have been reduced, the flow-disturbing degree of air and current can be strengthened again, thus improve heat transfer effect of the present utility model.
Described arc groove is intermediate thin, both sides shape thickness, this structure can increase the contact area of heat exchanger plates and refrigerant pipe greatly, reduce heat or the thermal resistance of cold in heat exchanger plates transmittance process, add the heat conduction efficiency of heat exchanger plates simultaneously, optimize the performance of the utility model heat exchanger.
Described be exposed to refrigerant pipe two ends outer wall outside heat exchanger plates also thermal spraying have for anticorrosion, oxidation resistant anti-corrosion of metal layer, prevent refrigerant pipe two ends from occurring pit, extend the service life of refrigerant pipe.
Described overcoat is epoxy resin or polyurethane or polyacrylate, be preferably epoxy resin, the pore on epoxy resin sealing anti-corrosion of metal layer, thus the anti-corrosion life of anti-corrosion of metal layer is extended greatly.
(1) because the thermal spraying on surface of heat exchanger plates of the present utility model has anti-corrosion of metal layer, heat exchanger plates of the present utility model can adopt heat conductivility better but the poor copper coin of antiseptic property, anti-corrosion of metal layer has completely cut off water, air etc. and copper coin well, thus solve the not corrosion resistant shortcoming of copper coin, improve heat transfer effect of the present utility model and extend service life of the present utility model.Therefore the stainless steel without the need to using heat conductivility general.In addition, the outer surface of anti-corrosion of metal layer also scribbles overcoat, and the anti-corrosion life of anti-corrosion of metal layer is extended greatly, and in atmospheric environment, service life can reach 30 years, thus extends service life of the present utility model further.
(2) more have plenty of, heat exchanger plates upper punch has a lot of convection holes in venetian blind type inclined hole shape, makes air and current produce flow-disturbing through sheet surface time, greatly improves the heat exchange efficiency of heat exchanger plates.
(3) heat exchanger tube of the present utility model have employed waist-shaped hole shape copper pipe, can make fully contacting of heat exchanger plates and refrigerant pipe like this, increase heat exchange area, significantly improve heat exchange efficiency, effectively can also reduce the internal capacity of heat exchanger simultaneously, reduce the charging amount of refrigerant, obtain again lower air drag simultaneously, reduce cooling fan power.
(4) be exposed to refrigerant pipe two ends outer wall outside heat exchanger plates also thermal spraying have for anticorrosion, oxidation resistant anti-corrosion of metal layer, thus effectively prevent refrigerant pipe two ends from occurring pit, extend the service life of refrigerant pipe.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model embodiment one;
Fig. 2 is Fig. 1 right view;
Fig. 3 is the sectional view at A-A place in Fig. 1;
Fig. 4 is B portion enlarged diagram in Fig. 3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Embodiment one, composition graphs 1 to Fig. 4, a kind of heat exchanger, comprise refrigerant pipe 1 and two pieces of heat exchanger plates 2,3, described heat exchanger plates is copper coin, can certainly adopt aluminium sheet.Described refrigerant pipe 1 is in snakelike tubulose, refrigerant pipe 1 cross section is waist-shaped hole shape, the equal punching press of inner surface of two heat exchanger plates 2 has the arc groove 6 matched with refrigerant pipe 1, described refrigerant pipe 1 is crushed in the arc groove 6 between two pieces of heat exchanger plates 2, refrigerant pipe 1 outer wall and arc groove 6 inwall close contact, described two pieces of heat exchanger plates 2 are provided with convection holes 4 equably, described heat exchanger plates 2 is evenly provided with water conservancy diversion convex tendon 7, described heat exchanger plates 2 outer surface heat is coated with for anticorrosion, oxidation resistant anti-corrosion of metal layer 5, and the outer surface of described anti-corrosion of metal layer scribbles overcoat 8.Described overcoat 8 is epoxy resin, can certainly be polyurethane or polyacrylate.
As the utility model technical scheme more specifically.
The thickness of described anti-corrosion of metal layer 5 is 0.4-0.7mm.Described anti-corrosion of metal layer 5 is aluminium, also can adopt Zinc material.
Described convection holes 4 is square circular or oval or venetian blind type inclined hole shape.Described arc groove 6 is in intermediate thin, both sides shape thickness.Described be exposed to refrigerant pipe 1 two ends outer wall outside heat exchanger plates 2 also thermal spraying have for anticorrosion, oxidation resistant anti-corrosion of metal layer 5.
Claims (7)
1. a heat exchanger, it is characterized in that: comprise refrigerant pipe and two pieces of heat exchanger plates, described heat exchanger plates is copper coin or aluminium sheet, described refrigerant pipe is snakelike tubulose, refrigerant pipe cross section is waist-shaped hole shape, the equal punching press of inner surface of two heat exchanger plates has the arc groove matched with refrigerant pipe, described refrigerant pipe is crushed in the arc groove between two pieces of heat exchanger plates, refrigerant pipe outer wall and arc groove inwall close contact, described two pieces of heat exchanger plates are provided with convection holes equably, described heat exchanger plates is evenly provided with water conservancy diversion convex tendon, described heat exchanger plates outer surface heat is coated with for anticorrosion, oxidation resistant anti-corrosion of metal layer, the outer surface of described anti-corrosion of metal layer scribbles overcoat.
2. heat exchanger according to claim 1, is characterized in that: the thickness of described anti-corrosion of metal layer is 0.4-0.7mm.
3. heat exchanger according to claim 2, is characterized in that: described anti-corrosion of metal layer is aluminium or zinc.
4. heat exchanger according to claim 3, is characterized in that: described convection holes is square circular or oval or venetian blind type inclined hole shape.
5. heat exchanger according to claim 3, is characterized in that: described arc groove is intermediate thin, both sides shape thickness.
6. heat exchanger according to claim 1, is characterized in that: described in be exposed to refrigerant pipe two ends outer wall outside heat exchanger plates also thermal spraying have for anticorrosion, oxidation resistant anti-corrosion of metal layer.
7. heat exchanger according to claim 1, is characterized in that: described overcoat is epoxy resin or polyurethane or polyacrylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127188.6U CN204987562U (en) | 2015-03-05 | 2015-03-05 | Heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520127188.6U CN204987562U (en) | 2015-03-05 | 2015-03-05 | Heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204987562U true CN204987562U (en) | 2016-01-20 |
Family
ID=55121925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520127188.6U Expired - Fee Related CN204987562U (en) | 2015-03-05 | 2015-03-05 | Heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204987562U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352729A (en) * | 2016-10-11 | 2017-01-25 | 合肥华凌股份有限公司 | Microchannel heat exchanger and refrigeration device provided with same |
| CN106352730A (en) * | 2016-10-11 | 2017-01-25 | 合肥华凌股份有限公司 | Microchannel heat exchanger and refrigeration device provided with same |
| CN106403646A (en) * | 2016-10-11 | 2017-02-15 | 合肥华凌股份有限公司 | Heat exchanger and wine cabinet with same |
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
| CN114459140A (en) * | 2022-02-25 | 2022-05-10 | 安徽美博智能电器集团有限公司 | Noise reduction structure of ceiling type air conditioner |
-
2015
- 2015-03-05 CN CN201520127188.6U patent/CN204987562U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106352729A (en) * | 2016-10-11 | 2017-01-25 | 合肥华凌股份有限公司 | Microchannel heat exchanger and refrigeration device provided with same |
| CN106352730A (en) * | 2016-10-11 | 2017-01-25 | 合肥华凌股份有限公司 | Microchannel heat exchanger and refrigeration device provided with same |
| CN106403646A (en) * | 2016-10-11 | 2017-02-15 | 合肥华凌股份有限公司 | Heat exchanger and wine cabinet with same |
| CN108428298A (en) * | 2017-02-15 | 2018-08-21 | 富士电机株式会社 | Automatic vending machine |
| CN114459140A (en) * | 2022-02-25 | 2022-05-10 | 安徽美博智能电器集团有限公司 | Noise reduction structure of ceiling type air conditioner |
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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: 20160120 Termination date: 20200305 |