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Heat exchanger with nano array structure surface and air conditioner

A heat exchanger, array structure technology, applied in heat exchange equipment, lighting and heating equipment, damage protection, etc., can solve the problem of easy formation of condensation droplets, etc., and achieve the effect of improving anti-condensation and anti-frost performance

Inactive Publication Date: 2019-11-12
SHANDONG XITAI TIANGONG ENERGY SAVING TECH LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, although the hydrophobic surface is in the Cassie state in the natural environment, the hydrophobic surface prepared by most methods (such as dipping or chemical etching on aluminum or alloy materials) exhibits a Wenzel state, which is easy to form condensation droplets.

Method used

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  • Heat exchanger with nano array structure surface and air conditioner
  • Heat exchanger with nano array structure surface and air conditioner
  • Heat exchanger with nano array structure surface and air conditioner

Examples

Experimental program
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Effect test

Embodiment 1

[0027] Embodiment 1 Hydrophobic nano-array structure surface heat exchanger

[0028] Place the heat exchanger in the acetone solution, and use an ultrasonic device to ultrasonically degrease it for 10 minutes; take it out, and wash the residual pollutants with deionized water; immerse the heat exchanger in a potassium hydroxide solution with a concentration of 0.2mol / L for 240 seconds; Put the heat exchanger into deionized water to clean the residue after the reaction; immerse the heat exchanger in boiling deionized water for 1.5h to form a nano-array; take it out and dry it under the action of strong cold wind for 5-10min; 3-(dimethylsiloxy)-1,1,5,5-tetramethyl-3-(3,3,3-trifluoropropyl)trisiloxane saturated vapor in a vacuum tank The surface of the tube heat exchanger is fluorinated for 2-3 hours to obtain a hydrophobic array heat exchanger.

[0029] The hydrophilic surface heat exchanger is provided by Shandong Xuguang Water Tank Air Conditioning Equipment Co., Ltd.

[003...

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Abstract

The invention provides a novel heat exchanger for an air conditioner. The surface of the heat exchanger is provided with a hydrophobic nano array. The heat exchanger is subjected to surface treatment,and the phenomenon of bouncing of condensed liquid drops is utilized, so that the performances of the condensation resistance and the frosting resistance of the surface of the heat exchanger are effectively improved.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a heat exchanger and an air conditioner with a nano-array structure surface. Background technique [0002] Improving the energy efficiency of air conditioners has always been a problem that the air conditioner industry is trying to solve. According to the statistics of the State Grid Corporation of China, by 2015, the electricity consumption of urban and rural residents will be about 72 billion kWh. Assuming that the electricity consumption of air conditioners accounts for about 10% of the total household electricity consumption, when the energy efficiency is increased by 1%, 72 million kWh can be saved every year. [0003] As we all know, when the aluminum foil used on the heat exchanger is exposed to humid air in summer and winter, a condensation film or frost layer will be formed, and the existence of the condensation film or frost layer will significantly reduce the...

Claims

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Application Information

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IPC IPC(8): F28F19/00
CPCF28F19/006
Inventor 周明新
Owner SHANDONG XITAI TIANGONG ENERGY SAVING TECH LTD
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