CN106767116A - A kind of finned heat exchanger - Google Patents
A kind of finned heat exchanger Download PDFInfo
- Publication number
- CN106767116A CN106767116A CN201710019010.3A CN201710019010A CN106767116A CN 106767116 A CN106767116 A CN 106767116A CN 201710019010 A CN201710019010 A CN 201710019010A CN 106767116 A CN106767116 A CN 106767116A
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- CN
- China
- Prior art keywords
- fin
- heat exchanger
- finned heat
- hydrophobic
- coated
- Prior art date
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
- F28F19/04—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings of rubber; of plastics material; of varnish
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of finned heat exchanger, it is related to technical field of heat exchangers, there is provided the finned heat exchanger that a kind of fin drainage speed is fast, windage is small.A kind of finned heat exchanger of the present invention, including multiple fins being mounted side by side vertically, multiple fin interval settings on the relative surface of the two neighboring fin, are simultaneously coated with hydrophilic layer, and another side is coated with hydrophobic layer.A kind of finned heat exchanger of the present invention is used to carry out heat exchange.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly to a kind of finned heat exchanger.
Background technology
Finned heat exchanger is gas and a kind of the most widely used heat transmission equipment, existing fin in liquid heat exchanger
Formula heat exchanger has complete hydrophobic finned heat exchanger and complete hydrophilic finned heat exchanger.
The fin two sides of complete hydrophobic finned heat exchanger is coated with hydrophobic coating in the prior art, is exchanged heat in heat exchanger
When, can be condensed on the hydrophobic coating of fin has the small water droplet between many small water droplets, adjacent fins to cause that the spacing between fin reduces,
The windage of full hydrophobic heat exchanger is caused to increase, heat exchange efficiency reduction.
The fin of another complete hydrophilic finned heat exchanger, its two sides is coated with hydrophilic coating, is changed in heat exchanger
When hot, moisture film can be formed on the hydrophilic coating of fin, after moisture film needs to reach a certain amount, gravity fall could be relied on, therefore,
The drainage speed of full hydrophilic heat exchanger is slower, easy frosting.
The content of the invention
Embodiments of the invention provide a kind of finned heat exchanger, it is possible to provide the wing that a kind of fin drainage speed is fast, windage is small
Piece heat exchanger.
To reach above-mentioned purpose, embodiments of the invention are adopted the following technical scheme that：
A kind of finned heat exchanger, including multiple fins being mounted side by side vertically, multiple fin interval settings, adjacent two
On the relative surface of the individual fin, hydrophilic layer is simultaneously coated with, another side is coated with hydrophobic layer.
Finned heat exchanger provided in an embodiment of the present invention, due on the relative surface of two adjacent fins, being simultaneously coated with
Hydrophilic layer, another side is coated with hydrophobic layer, the small water droplet condensed on hydrophobic layer, touches the water of the hydrophilic layer surface of adjacent fins
After film, the moisture film with the hydrophilic layer surface of adjacent fins is merged, and is made the weight of moisture film and is increased, so that accelerate the drainage speed of fin,
The frosting degree of heat exchanger is reduced, and the small water droplet on adjacent fins hydrophobic layer is reduced during this, between increasing between fin
Away from, therefore, reduce the windage of finned heat exchanger.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the principle schematic of embodiment of the present invention finned heat exchanger；
Fig. 2 is the partial schematic diagram of Fig. 1；
The part-structure signal that Fig. 3 is staggered installation of for hydrophilic fin in embodiment of the present invention finned heat exchanger with hydrophobic fin
Figure；
Fig. 4 is that multiple fins are the part-structure of hydrophilic-hydrophobic fin and illustrate in embodiment of the present invention finned heat exchanger
Figure；
Fig. 5 is the part-structure schematic diagram of hydrophilic fin and hydrophilic-hydrophobic fin in embodiment of the present invention finned heat exchanger；
Fig. 6 is the part-structure schematic diagram of hydrophobic fin and hydrophilic-hydrophobic fin in embodiment of the present invention finned heat exchanger；
Fig. 7 is the part of hydrophilic fin, hydrophobic fin and hydrophilic-hydrophobic fin in embodiment of the present invention finned heat exchanger
Structural representation；
Fig. 8 is that fin is provided with the part-structure schematic diagram of anticorrosive coat in embodiment of the present invention finned heat exchanger；
Fig. 9 is the structural representation of embodiment of the present invention finned heat exchanger.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In the description of the invention, it is to be understood that term " " center ", " on ", D score, "front", "rear", " left side ",
The orientation or position relationship of the instruction such as " right side ", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify and describe, rather than indicate or imply signified device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
In heat transfer process, when the temperature of air is less than dew-point temperature, can be condensed on the surface of fin has finned heat exchanger
Water, under gravity, the water on fin falls after overcoming the surface tension of fin surface.
Reference picture 1~2, a kind of finned heat exchanger in the embodiment of the present invention, including multiple fins 1 being mounted side by side vertically,
The interval setting of multiple fins 1, wherein, on adjacent its relative surface of two fins, simultaneously it is coated with hydrophilic layer 11, another side
It is coated with hydrophobic layer 12.
Finned heat exchanger provided in an embodiment of the present invention, due on the relative surface of two adjacent fins, being simultaneously coated with
Hydrophilic layer 11, another side is coated with hydrophobic layer 12, the small water droplet condensed on hydrophobic layer 12, touches adjacent fins hydrophilic layer table
After the moisture film in face, the moisture film with the hydrophilic layer surface of adjacent fins is merged, and is made the weight of moisture film and is increased, so as to accelerate the draining of fin
Speed, reduces the frosting degree of heat exchanger, and the small water droplet on adjacent fins hydrophobic layer is reduced during this, between increasing fin
Spacing, therefore, reduce the windage of finned heat exchanger.
It is simultaneously hydrophilic layer on the surface relative to ensure two adjacent fins, another side is hydrophobic layer, alternatively, fin
Heat exchanger is coated with the hydrophilic fin 101 of hydrophilic layer including two sides and two sides is coated with the hydrophobic fin 102 of hydrophobic layer segment, will
The technical scheme that both hydrophilic fin 101 and hydrophobic fin 102 are staggered installation of, as shown in Figure 3；Multiple wings in finned heat exchanger
Piece 1 can also be one side and be coated with hydrophilic layer 11, and another side is coated with the technical side of the hydrophilic-hydrophobic fin 103 of hydrophobic layer 12
Case, as shown in Figure 4；Certainly, the technical scheme that can be also combined using above two scheme, finned heat exchanger includes hydrophilic-hydrophobic wing
Piece 103 and hydrophilic fin 101, or hydrophilic-hydrophobic fin 103 and hydrophobic fin 102, or hydrophilic-hydrophobic fin 103, hydrophilic fin
101 and hydrophobic fin 102, by both or three kinds of technical schemes of fin rationally arrangement, as shown in Fig. 5~7.Above-mentioned three kinds
In scheme, the first scheme can directly using existing hydrophilic finned heat exchanger and hydrophobic finned heat exchanger in fin system
Process, but need using two kinds of fins, scheme is more complicated, it is necessary to be staggered installation of；The third fin uses hydrophilic-hydrophobic fin
103 and hydrophilic fin 101, or hydrophilic-hydrophobic fin 103 and hydrophobic fin 102, or hydrophilic-hydrophobic fin 103, hydrophilic fin 101
And hydrophobic fin 102, the two or more fin of use, it is necessary to the erection sequence of various fins of rationally arranging, at these three
This programme installation operation is the most complicated in scheme；The embodiment of the present invention uses second scheme, and the fin in finned heat exchanger is equal
Using hydrophilic-hydrophobic fin 103, installation operation is simple.
Alternatively, in order to improve fin corrosion resistance, it is coated between fin 1 and hydrophilic layer 11 in the embodiment of the present invention
First anticorrosive coat 13, and the second anticorrosive coat 14 is coated between fin 1 and hydrophobic layer 12, as shown in figure 8, so as to avoid length
Fin occurs damage because of corrosion in the phase course of work.
In order to ensure that the small water droplet condensed on any fin hydrophobic layer can contact the moisture film in adjacent fins on hydrophilic layer,
Alternatively, it is 1.2~2mm by the spacing L of two adjacent fins, if as shown in figure 9, the spacing L of two adjacent fins is more than
Spacing between 2mm, fin is excessive, and the most of small water droplet condensed on hydrophobic layer is not readily accessible in adjacent fins on hydrophilic layer
Moisture film, causes condensed water larger the windage of gas between fin；If the spacing L of two adjacent fins is less than between 1.2mm, fin
Spacing is too small, and windage of the fin gas between fin in itself is larger.
The material of above-mentioned hydrophilic layer 11 can be using organic coating or inorganic coating with hydrophilic interaction, alternatively, this hair
The material of hydrophilic layer 11 can be acrylic resin systems in bright embodiment, specifically, can be by acrylate monomer, feature
Auxiliary agent and mixed with resin are formed.When condensed water condenses in acrylic resin coating, the contact angle of condensed water is smaller, with preferable
Hydrophilicity so that drainage effect is preferable.Wherein, functional aid can be to include Nano Silver sustained release silver ion disinfectant or contain
The auxiliary agent of Si, Fe, Cu, Mn, Zn, Ti chemical composition.
Additionally, on embodiment of the present invention fin 1 hydrophilic layer 11 thickness T1, its span is 0.3~2 μm, if fin 1
The thickness T of upper hydrophilic layer 111More than 2 μm, hydrophilic layer 11 is blocked up, and the hydrophilicity to fin is not improved, and influence heat exchange；If
The thickness T of hydrophilic layer 11 on fin 11Less than 0.3 μm, hydrophilic layer 11 is excessively thin, influence fin hydrophilicity, drainage efficiency compared with
It is low.
The material of above-mentioned hydrophobic layer 12 can rub organic coating or inorganic coating that water is acted on using having, alternatively, this hair
The material of bright embodiment hydrophobic layer 12 can be for the organic material of fluorine-containing system or containing SiO2Inorganic material, specifically, can be with
For fluorinated acrylate, fluororesin, organic-silicon-modified fluorinated monomer organic or inorganic coating.
Condensed water is condensed in when on hydrophobic coating, and the contact angle of condensed water is larger, with preferable hydrophobic performance so that dredged
Water droplet on water layer is easier to be contacted with the moisture film in adjacent fins, so as to accelerate the drainage speed of fin.
Further, on embodiment of the present invention fin 1 hydrophobic layer 12 thickness T2, its span is 0.3~2 μm, if
The thickness T of hydrophobic layer 12 on fin 12More than 2 μm, hydrophobic layer 12 is blocked up, influences the heat exchange efficiency of fin；If hydrophobic on fin 1
The thickness T of layer 122Less than 0.3 μm, hydrophobic layer 12 is excessively thin, and the hydrophobic performance of fin is poor, and moisture film is easily formed on hydrophobic layer 12,
Lead to not improve the drainage efficiency of heat exchanger.
Fin 1 in the embodiment of the present invention is made using aluminium foil, and the thickness T spans of fin 1 are 0.09~0.12mm,
If the thickness T of fin 1 is more than 0.12mm, the thickness of fin 1 is excessive, causes the spacing of fin to reduce, and windage increases；If fin
1 thickness T is less than 0.09mm, and the thickness of fin 1 is too small, fin structure intensity decreases, easily damage, and the heat exchange amount of fin subtracts
It is small, the heat exchange efficiency reduction of heat exchanger.
By the parameter designing to fin 1 in above-described embodiment so that hydrophilic layer 11 and hydrophobic layer 12 are coated in fin 1
Afterwards, moisture film is less than 35 degree in the contact angle of coating surface on hydrophilic layer 11, and water droplet connects in the static state of coating surface on hydrophobic layer 12
Feeler is more than 110 °.If moisture film is more than 35 degree, the moisture film that hydrophilic layer surface is formed in the contact angle of coating surface on hydrophilic layer 11
Smoothness is relatively low, and the thickness of moisture film is larger in subregion, the bottom larger for finned heat exchanger water accumulating volume or slitted fin
Surface, is easily overlapped to form water bridge, increases the windage of heat exchanger, causes to lower by the air quantity of heat exchanger, efficiency of heat exchanger
Reduce；If water droplet is less than 110 ° in the static contact angle of coating surface on hydrophobic layer 11, when needing more long on fin hydrophobic layer
Between could form larger-diameter water droplet, so as to touch the moisture film of adjacent fins hydrophilic layer, therefore, the drainage speed of fin compared with
It is low.
Additionally, the fin 1 in the embodiment of the present invention can use all kinds, such as plain film, corrugated plate or slotted sheet, therefore,
The finned heat exchanger of the embodiment of the present invention, its range of application is wider, it is adaptable to existing various finned heat exchangers.
The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of finned heat exchanger, including multiple fins being mounted side by side vertically, multiple fin interval settings, its feature exists
In, on the relative surface of the two neighboring fin, hydrophilic layer being simultaneously coated with, another side is coated with hydrophobic layer.
2. finned heat exchanger according to claim 1, it is characterised in that the one side of the fin is coated with described hydrophilic
Layer, another side is coated with the hydrophobic layer.
3. finned heat exchanger according to claim 2, it is characterised in that be coated between the fin and the hydrophilic layer
First anticorrosive coat, is coated with the second anticorrosive coat between the fin and the hydrophobic layer.
4. finned heat exchanger according to claim 1, it is characterised in that the value of the spacing L of the two neighboring fin
Scope is 1.2~2mm.
5. finned heat exchanger according to claim 1, it is characterised in that the material of the hydrophilic layer is by acrylate list
Body, functional aid and mixed with resin are formed.
6. finned heat exchanger according to claim 1, it is characterised in that the thickness T of the hydrophilic layer1Span be
0.3~2 μm.
7. finned heat exchanger according to claim 1, it is characterised in that the material of the hydrophobic layer is fluorine-containing
Ester, fluororesin, organic-silicon-modified fluorinated monomer or SiO2Organic or inorganic coating.
8. finned heat exchanger according to claim 1, it is characterised in that the hydrophobic layer thickness T2Span be 0.3
~2 μm.
9. finned heat exchanger according to claim 1, it is characterised in that the span of the thickness T of the fin is
0.09~0.12mm.
10. finned heat exchanger according to claim 1, it is characterised in that the fin is plain film, corrugated plate or cracks
Piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019010.3A CN106767116A (en) | 2017-01-11 | 2017-01-11 | A kind of finned heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710019010.3A CN106767116A (en) | 2017-01-11 | 2017-01-11 | A kind of finned heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106767116A true CN106767116A (en) | 2017-05-31 |
Family
ID=58947455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710019010.3A Pending CN106767116A (en) | 2017-01-11 | 2017-01-11 | A kind of finned heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106767116A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107806682A (en) * | 2017-11-27 | 2018-03-16 | 苏州暖舍节能科技有限公司 | A kind of cooling system of adjustable air humidity |
| CN107975931A (en) * | 2017-11-24 | 2018-05-01 | 海信（山东）空调有限公司 | A kind of flow-guiding structure, composite material and dehumidification equipment |
| CN110864376A (en) * | 2018-08-16 | 2020-03-06 | 青岛海尔空调器有限总公司 | Self-cleaning fin, heat exchanger and air conditioner |
| CN110940224A (en) * | 2018-09-21 | 2020-03-31 | 青岛海尔空调器有限总公司 | Heat exchanger |
| CN111207014A (en) * | 2018-11-21 | 2020-05-29 | 丰田自动车株式会社 | Heat exchanger |
| CN114472106A (en) * | 2022-02-28 | 2022-05-13 | 江苏鼎胜新能源材料股份有限公司 | Hydrophilic and hydrophobic coactive coated aluminum foil and preparation method thereof |
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| CN102200409A (en) * | 2010-03-26 | 2011-09-28 | 株式会社神户制钢所 | Aluminum fin material for heat exchanger |
| CN105485971A (en) * | 2016-01-12 | 2016-04-13 | 广东美的制冷设备有限公司 | Finned tube heat exchanger and air conditioner |
| CN205383760U (en) * | 2016-01-12 | 2016-07-13 | 广东美的制冷设备有限公司 | Machine and air conditioning system in heat exchanger, air condensing units , air conditioning |
| CN205383761U (en) * | 2016-01-12 | 2016-07-13 | 广东美的制冷设备有限公司 | Machine and air conditioning system in heat exchanger, air condensing units , air conditioning |
| CN206410594U (en) * | 2017-01-11 | 2017-08-15 | 海信科龙电器股份有限公司 | A kind of finned heat exchanger |
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2017
- 2017-01-11 CN CN201710019010.3A patent/CN106767116A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102200409A (en) * | 2010-03-26 | 2011-09-28 | 株式会社神户制钢所 | Aluminum fin material for heat exchanger |
| CN105485971A (en) * | 2016-01-12 | 2016-04-13 | 广东美的制冷设备有限公司 | Finned tube heat exchanger and air conditioner |
| CN205383760U (en) * | 2016-01-12 | 2016-07-13 | 广东美的制冷设备有限公司 | Machine and air conditioning system in heat exchanger, air condensing units , air conditioning |
| CN205383761U (en) * | 2016-01-12 | 2016-07-13 | 广东美的制冷设备有限公司 | Machine and air conditioning system in heat exchanger, air condensing units , air conditioning |
| CN206410594U (en) * | 2017-01-11 | 2017-08-15 | 海信科龙电器股份有限公司 | A kind of finned heat exchanger |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107975931A (en) * | 2017-11-24 | 2018-05-01 | 海信（山东）空调有限公司 | A kind of flow-guiding structure, composite material and dehumidification equipment |
| CN107806682A (en) * | 2017-11-27 | 2018-03-16 | 苏州暖舍节能科技有限公司 | A kind of cooling system of adjustable air humidity |
| CN110864376A (en) * | 2018-08-16 | 2020-03-06 | 青岛海尔空调器有限总公司 | Self-cleaning fin, heat exchanger and air conditioner |
| CN110940224A (en) * | 2018-09-21 | 2020-03-31 | 青岛海尔空调器有限总公司 | Heat exchanger |
| CN111207014A (en) * | 2018-11-21 | 2020-05-29 | 丰田自动车株式会社 | Heat exchanger |
| CN111207014B (en) * | 2018-11-21 | 2022-04-05 | 丰田自动车株式会社 | Heat exchanger |
| CN114472106A (en) * | 2022-02-28 | 2022-05-13 | 江苏鼎胜新能源材料股份有限公司 | Hydrophilic and hydrophobic coactive coated aluminum foil and preparation method thereof |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant after: Haixin Home Appliances Group Co., Ltd. Applicant after: Hisense (Guangdong) Air Conditioner Co., Ltd. Address before: 528303 No. 8, Rong Gang Road, Ronggui street, Shunde District, Foshan, Guangdong. Applicant before: Hisense Kelon Electrical Holdings Co., Ltd. Applicant before: Hisense (Guangdong) Air Conditioner Co., Ltd. |