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Flat copper cooling tube with film

A flat tube and film technology, which is used in the field of copper cooling flat tube materials, can solve the problems of insufficient odor suppression and increased odor, and achieve the effects of accelerating discharge and preventing the deterioration of heat exchange efficiency.

Inactive Publication Date: 2012-03-07
SUZHOU FANGJIYUAN ENERGY SAVING TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this technology, compared with the case of using silica, the odor is still observed although it is reduced, and if it is used for a long time, the odor will increase, so it is still not good at suppressing the odor. full

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0020] The copper substrate is manufactured by using the existing manufacturing method in the prior art. Degrease the copper first with an alkaline wash.

[0021] The copper material after the above treatment was used as the test material, and it was processed into a copper cooling flat tube by using the existing technology. Then, by coating the coating composition of the present invention, that is: according to the ratio recorded in Table 1, coating on the inner surface of the copper cooling flat tube, the coating thickness is 0.5 mm, and the heat treatment temperature is 180 ° C to form the Copper cooling flat tube with thin film.

[0022] For the prepared copper cooling flat tube materials, the following performance tests were carried out.

[0023] Hydrophilicity test

[0024] The copper cooling flat tube material was immersed in tap water at a flow rate of 1 L / min for 8 hours, and then dried at 80° C. for 16 hours. These steps were regarded as one cycle (cycle), and fi...

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Abstract

The invention relates to a flat copper cooling tube with a film. The flat copper cooling tube is characterized in that: coating composite is coated on a copper or copper substrate surface of the flat copper cooling tube to form the film, and the coating composite is provided with Ag, methylphosphonic acid, polyacrylic ester, alcohol and water. The flat copper cooling tube with the film can guarantee sufficient hydrophily and corrosion resistance.

Description

technical field [0001] The present invention relates to a cooling flat tube material of copper or copper alloy on which an organic thin film with excellent hydrophilicity is formed on the surface, for example, relates to a cooling flat tube material which is preferable as a heat exchanger etc. and can maintain a structure for a long time A copper cooling flat tube material with a surface that is easily wetted by dew. Background technique [0002] Copper materials with excellent thermal conductivity, workability, and corrosion resistance are widely used in heat exchangers. In order to perform heat exchange efficiently, and to make the space compact (compact), copper cooling plates are installed side by side at narrow intervals. The structure of the pipe fitting. Therefore, when the air conditioner is in operation, if the temperature of the surface of the cooling flat tube material falls below the dew point of the air, the condensation water attached to the surface of the coo...

Claims

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Application Information

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IPC IPC(8): F28F19/00F28F21/08
Inventor 方得志
Owner SUZHOU FANGJIYUAN ENERGY SAVING TECH
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