CN216745670U - Heat exchanger with water-saving and antibacterial coating - Google Patents
Heat exchanger with water-saving and antibacterial coating Download PDFInfo
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- CN216745670U CN216745670U CN202123448687.XU CN202123448687U CN216745670U CN 216745670 U CN216745670 U CN 216745670U CN 202123448687 U CN202123448687 U CN 202123448687U CN 216745670 U CN216745670 U CN 216745670U
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Abstract
The utility model discloses a heat exchanger with a water-saving and antibacterial coating, which comprises a heat exchange tube and fins, wherein the surfaces of the fins are sequentially provided with an anticorrosive high-temperature-resistant layer, an antibacterial coating and a water-saving layer; the surface of the water-saving layer is divided into two wave peaks S1 and S2 in different areas; the length of S1 is greater than S2. The coating has good binding force, adopts a multilayer composite structure, fills and covers the surfaces of the heat exchange plate and the heat exchange tube by arranging the polyacrylic acid layer, and has high coating uniformity, good binding force and high reliability; and the organic silicon coating has excellent temperature resistance, thermal oxidation resistance and creep resistance.
Description
Technical Field
The utility model belongs to the field of heat exchangers, and particularly relates to a heat exchanger with a water-saving and antibacterial coating.
Background
In many products and systems, the transfer of heat across a surface is important. Examples of such systems include cooling systems (e.g., air conditioning systems or refrigeration systems) and heating systems (e.g., boilers).
In the cooling system, the evaporation loss of the circulating cooling water is the largest item of water loss in the whole system, and the development of the water-saving work of the circulating water system can save a large amount of water resources, reduce the sewage discharge and protect the environment. At present, the industrial water-saving method mainly adopts the optimized industrial equipment, such as the optimized heat exchange process and the heat exchanger combination and the added water recovery equipment, and the treatment method has the advantages of high equipment investment, high operation energy consumption, poor convenience, easy generation of water scale and increased sewage discharge.
Therefore, the development of a heat exchanger with water-saving, antibacterial coating, good convenience and low energy consumption in operation is urgently needed.
Disclosure of Invention
The utility model aims to provide a heat exchanger with water-saving and antibacterial coatings, and the heat exchanger can achieve the effects of good convenience and low operation energy consumption.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in a first aspect of the utility model, a heat exchanger with a water-saving and antibacterial coating is provided, which comprises a heat exchange tube and fins; the surface of the fin is sequentially provided with an anti-corrosion high-temperature-resistant layer, an antibacterial coating and a water-saving layer; the surface of the water-saving layer is divided into two wave peaks S1 and S2 in different areas; the length of the S1 is greater than S2.
The coating has good antibacterial effect, the intermolecular interaction force in the water-saving layer (containing the polyhydric alcohol, the hydrophobic agent and the antioxidant additive) can be enhanced, the volatilization of water is reduced, and the antibacterial coating contains the antibacterial agent to achieve long-term antibacterial effect.
According to some embodiments of the utility model, the corrosion and high temperature resistant layer is a composite layer; the composite layer comprises a polyacrylic acid layer coated on the inner wall of the heat exchange tube and the surface of the heat exchange tube, and an organic silicon coating is coated on the surface of the polyacrylic acid layer.
In the utility model, the polyacrylic acid layer fully exerts the characteristics of excellent permeability, high adhesive force and strong waterproofness, effectively fills the inner wall or the surface of the heat exchange plate or the heat exchange tube, completely covers the inner wall or the surface to form uniform filling, simultaneously has the characteristic of high bonding force, is convenient for covering and bonding other subsequent coatings, and the organic silicon coating has excellent temperature resistance, thermal oxidation resistance and creep resistance.
According to some embodiments of the utility model, the surface layer thickness of the anticorrosion high-temperature resistant layer is 0.1-1 micron.
According to some embodiments of the utility model, the bottom layer of the anticorrosion high temperature resistant layer has a thickness of 0.1-0.5 microns.
According to some embodiments of the utility model, the ratio of the thicknesses of the antibacterial coating layer and the anticorrosive high temperature-resistant layer is 1: (1-1.05).
According to some embodiments of the utility model, the average peak width of the S1 region is 0.5 to 0.9 microns and the average peak width of the S2 region is 1.8 to 1.2 microns.
According to some embodiments of the utility model, the S2 is 40% -80% of S1.
According to some embodiments of the utility model, the inner and outer surfaces of the heat exchange tube are provided with corrosion and high temperature resistant layers.
According to some embodiments of the utility model, the fin is in the shape of a circular disc with its center located on the central axis of the steel tube.
The utility model also provides an air conditioner which is provided with the heat exchanger.
The utility model also provides a cooling water tower which is provided with the heat exchanger.
Advantageous effects
1. The coating has good binding force, adopts a multilayer composite structure, fills and covers the surfaces of the heat exchange plate and the heat exchange tube by arranging the polyacrylic acid layer, and has high coating uniformity, good binding force and high reliability; and the organic silicon coating has excellent temperature resistance, thermal oxidation resistance and creep resistance. Finally, the antibacterial layer is combined with the water-saving layer, the water-saving layer (containing polyalcohol, a hydrophobic agent and an antioxidant additive) can reduce the volatilization of water by utilizing the enhancement of intermolecular interaction force, and the antibacterial coating is utilized to contain an antibacterial agent to achieve a long-term antibacterial effect.
2. The surface of the water-saving layer is divided into two wave peaks in different areas, so that the contact area of water and the water-saving agent can be increased, the hydrophobic property of the water-saving layer is fully utilized, and the volatilization of water is reduced.
Drawings
FIG. 1 is a schematic view of a fin of the present invention;
FIG. 2 is a schematic view of a heat exchange tube of the present invention;
FIG. 3 is a schematic view of a heat exchanger according to an embodiment of the present invention;
fig. 4 is a schematic view of another heat exchanger of the present invention.
Description of reference numerals: 1 is a fin, 2 is a heat exchange tube, 101 is an anticorrosion high-temperature resistant layer, 102 is an antibacterial coating, 103 is a water-saving layer, wave peaks S1 and S2 in two different areas, 104 is a polyacrylic acid layer, and 105 is an organic silicon coating.
Detailed Description
In order to make the technical solutions of the present invention more apparent to those skilled in the art, the following examples are given for illustration. It should be noted that the following examples are not intended to limit the scope of the claimed invention.
The starting materials, reagents or apparatuses used in the following examples are conventionally commercially available or can be obtained by conventionally known methods, unless otherwise specified.
As shown in fig. 1 to 3, a heat exchanger with a water-saving and antibacterial coating comprises a heat exchange tube 2 and a fin 1; the surface 1 of the fin is sequentially provided with an anti-corrosion high-temperature resistant layer 101, an antibacterial coating 102 and a water-saving layer 103; the surface of the water-saving layer 103 is divided into two wave peaks S1 and S2 in different areas; the length of S1 is greater than S2. The coating has good antibacterial effect, the water evaporation can be reduced by enhancing the intermolecular interaction force in the water-saving layer 103 (containing polyalcohol, hydrophobic agent and antioxidant additive), and the antibacterial effect in the antibacterial coating 102 can be long-lasting. The corrosion-resistant and high-temperature-resistant layer 101 is a composite layer; the composite layer comprises a polyacrylic acid layer 104 coated on the inner wall of the fin and the surface of the fin, an organic silicon coating 105 is coated on the surface of the polyacrylic acid layer, the thickness of the surface layer of the anti-corrosion high-temperature-resistant layer is 0.1-1 micron, and the thickness of the bottom layer of the anti-corrosion high-temperature-resistant layer 101 is 0.1-0.5 micron. The polyacrylic acid layer 104 fully exerts the characteristics of excellent permeability, high adhesive force and strong waterproof property, effectively fills the inner wall or the surface of the fin, completely covers the fin to form uniform filling, simultaneously has the characteristic of high bonding force, is convenient for covering and bonding other subsequent coatings, and the organic silicon coating has excellent temperature resistance, thermal oxidation resistance and creep resistance.
The thickness ratio of the antibacterial coating 102 to the anticorrosive high-temperature-resistant layer 101 is 1: 1.5. the antibacterial coating 102 is smaller than the anticorrosion high-temperature-resistant layer, the coating is not too thick, the heat transfer efficiency is affected due to too thick coating, bacteria can be bred, and the thin antibacterial coating 102 can enable the polyacrylic acid layer 104 in the anticorrosion high-temperature-resistant layer 101 to be tightly combined with the water-saving layer 103, so that the coating is prevented from falling.
As shown in fig. 2, the inner surface and the outer surface of the heat exchange tube 2 are provided with an anticorrosive high-temperature resistant layer 101, and the anticorrosive high-temperature resistant layer 101 of the heat exchange tube 2 is a composite layer; the composite bed is including coating in the polyacrylic acid layer 104 on the inner wall of heat exchange tube and the surface of heat exchange tube, polyacrylic acid layer surface coating organic silicon coating 105, and the surface course thickness of anticorrosive high temperature resistant layer is 0.1 ~ 1 micron, and the bottom thickness of anticorrosive high temperature resistant layer 101 is 0.1 ~ 0.5 micron. The polyacrylic acid layer 104 fully exerts the characteristics of excellent permeability, high adhesive force and strong waterproof property, effectively fills the inner wall or surface of the fin, completely covers the fin to form uniform filling, simultaneously has the characteristic of high bonding force, is convenient for covering and bonding other subsequent coatings, and the organic silicon coating has excellent temperature resistance, thermal oxidation resistance and creep resistance, and improves the heat exchange efficiency.
As shown in FIG. 1, the surface of the water-saving layer 103 is divided into two wave peaks S1 and S2 in different areas; the length of S1 is greater than S2; the average peak width of the S1 region was 0.6 microns, the average peak width of the S2 region was 1 micron, and the S2 was 40% -80% of the S1. Also the regions S1 and S2 may be located on different plates or fins, or in different flow channels.
As shown in FIG. 4, the fin 1 is in the shape of a circular disc, the center of the circle is located on the central axis of the steel pipe, the circular disc increases the heat exchange area and shortens the heat exchange time.
It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention. The scope of the utility model is defined by the claims and may include other embodiments that occur to those skilled in the art. Such other embodiments are intended to be within the scope of the claims if they have structural elements that do not differ from the literal language of the claims, or if they include equivalent structural elements with insubstantial differences from the literal languages of the claims.
Claims (9)
1. A heat exchanger with water-saving and antibacterial coatings comprises a heat exchange tube and fins, and is characterized in that the surfaces of the fins are sequentially provided with an anti-corrosion high-temperature-resistant layer, an antibacterial coating and a water-saving layer; the surface of the water-saving layer is divided into two wave peaks S1 and S2 in different areas; the length of the S1 is greater than S2.
2. The heat exchanger with water-saving and antibacterial coating according to claim 1, characterized in that the corrosion-resistant and high-temperature-resistant layer is a composite layer; the composite layer comprises a polyacrylic acid layer coated on the inner wall of the fin and the surface of the fin, and an organic silicon coating is coated on the surface of the polyacrylic acid layer.
3. The heat exchanger with the water-saving and antibacterial coating according to claim 2, wherein the surface layer thickness of the anticorrosion and high-temperature-resistant layer is 0.1-1 micron.
4. The heat exchanger with the water-saving and antibacterial coating according to claim 2, wherein the bottom layer of the anticorrosion and high-temperature-resistant layer is 0.1-0.5 microns thick.
5. The heat exchanger with water-saving and antibacterial coating according to claim 1, characterized in that the ratio of the thicknesses of the antibacterial coating and the corrosion-resistant and high-temperature-resistant layer is 1: (1-1.05).
6. The heat exchanger with water-saving and antibacterial coating according to claim 1, wherein the average peak width of the S1 area is 0.5-0.9 micrometer, and the average peak width of the S2 area is 1.8-1.2 micrometer.
7. The heat exchanger with water-saving and antibacterial coating according to claim 1, characterized in that the fins are in the shape of circular discs with the center of the circle located on the central axis of the steel tube.
8. The heat exchanger with water-saving and antibacterial coating according to claim 1, characterized in that the inner and outer surfaces of the heat exchange tube are provided with corrosion-resistant and high temperature-resistant layers.
9. The heat exchanger with water-saving and antibacterial coating according to claim 1, characterized in that said S2 is 40% -80% of S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448687.XU CN216745670U (en) | 2021-12-30 | 2021-12-30 | Heat exchanger with water-saving and antibacterial coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448687.XU CN216745670U (en) | 2021-12-30 | 2021-12-30 | Heat exchanger with water-saving and antibacterial coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216745670U true CN216745670U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123448687.XU Active CN216745670U (en) | 2021-12-30 | 2021-12-30 | Heat exchanger with water-saving and antibacterial coating |
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| CN (1) | CN216745670U (en) |
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2021
- 2021-12-30 CN CN202123448687.XU patent/CN216745670U/en active Active
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