Heat-absorbing coating for solar metal inner liner

A metal liner and heat-absorbing coating technology, applied in radiation-absorbing coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problems of low lifespan, low photothermal conversion efficiency, low solar energy absorption rate, etc. Long life, excellent heat absorption effect, and the effect of improving heat collection efficiency

Inactive Publication Date: 2014-01-01
SUZHOU CHANGSHENG ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of the above technical problems, the present application provides a heat-absorbing coating for solar metal liners, which solves the technical problems o

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0012] The solar energy absorption rate of the product is 95%, and the emission rate is 18%.

[0013] Example 2:

Embodiment 2

[0015] The solar energy absorption rate of the product is 97%, and the emission rate is 16%.

[0016] Embodiment 3:

Embodiment 3

[0018] The solar energy absorption rate of the product is 98%, and the emission rate is 15%.

[0019] All components of the compositions in the above examples are commercially available.

[0020] The above-mentioned embodiments are only used to illustrate the content of the present invention, not to limit, so any changes within the meaning and scope equivalent to the claims of the present invention should be considered to be included in the scope of the claims.

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PUM

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Abstract

The invention relates to a heat-absorbing coating for a solar metal inner liner. The heat-absorbing coating comprises the following components in parts by weight: 40-50 parts of ferric oxide, 10-15 parts of tetrafluoroethylene powder, 10-15 parts of selenium cadmium sulfide, 10-15 parts of manganese dioxide, 70-80 parts of single-component polyurethane resin, 80-90 parts of thermosetting acrylic resin, 5-10 parts of cobalt naphthenate solution, 40-50 parts of n-butanol, 30-40 parts of xylene and 15-20 parts of calcium chloride. The solar energy absorption rate of the product is 95%-98%, the emission rate is 15%-18%, and the heat collection efficiency of the solar metal inner liner is greatly improved; the heat-absorbing coating further has the advantages of wear resistance, resistance to acid and alkali corrosion and excellent heat absorption effect; the product further has the advantages of heat resistance, cold resistance and long service life, and can be widely produced and used for continuously replacing existing materials.

Description

technical field [0001] The application belongs to the field of metal coatings, in particular to a heat-absorbing coating for a solar metal liner. Background technique [0002] A scientist named Milcher in Australia successfully developed a coating that can effectively absorb solar energy. The first layer of paint is an anti-sunlight reflective layer made of silicon oxide, which only absorbs and does not reflect sunlight irradiated on the paint to prevent heat loss. The second layer is a cermet layer that absorbs the heat of the sun. The third layer is a metal layer with good thermal conductivity. The total thickness of these three layers is only 100 nanometers. After experiments, this new type of coating can convert 98% of the received sunlight into heat energy, and the total efficiency of heat energy into electrical energy can reach more than 20%. [0003] Solar water heaters convert sunlight energy into heat energy, and heat water from low temperature to high temperatur...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D133/08C09D7/12C09D5/32
Inventor 张学平朱忠海
Owner SUZHOU CHANGSHENG ELECTROMECHANICAL
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