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Method for preparing infrared radiation amorphous coating

A technology of infrared radiation and amorphous coating, which is applied in the field of infrared radiation materials, can solve the problems of non-corresponding absorption peak wavelength, insignificant energy-saving effect, low emissivity, etc., and achieve long service life, excellent infrared radiation characteristics, and bonding strength high effect

Active Publication Date: 2013-04-03
湖北赛格瑞新能源科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] 3) The existing adhesives are generally acidic or alkaline, which causes the infrared radiation coating itself to be corrosive to the metal substrate and destroy the substrate
[0008] 4) The emissivity of the coating in the medium and short infrared bands at high temperatures is low, only about 0.5, and the main wavelength of the infrared radiation does not correspond to the absorption peak wavelength of the heated object, resulting in insignificant energy-saving effects

Method used

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  • Method for preparing infrared radiation amorphous coating
  • Method for preparing infrared radiation amorphous coating
  • Method for preparing infrared radiation amorphous coating

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] A preparation method of an infrared radiation amorphous coating, the specific steps of the preparation method are:

[0048] Step 1. Preparation of infrared radiation powder

[0049]5~10wt% iron oxide fine powder, 5~10wt% manganese oxide fine powder, 1~2wt% copper oxide fine powder, 1~2wt% cobalt oxide fine powder, 75~80wt% cordierite fine powder , 1-2wt% nickel oxide fine powder, 1-2wt% titanium oxide fine powder and 1-2wt% chromium oxide fine powder are uniformly mixed to prepare a mixture. Put the prepared mixture into a sagger, put the sagger into a microwave oven, heat it with radiation, raise the temperature to 1000~1050°C, keep it warm for 50~60min, cool, crush, and sieve to obtain 150~200 mesh Infrared radiation powder, spare.

[0050] Step 2. Surface roughening of the metal substrate

[0051] The quartz sand is used as the raw material for sandblasting, and the surface of the metal substrate is sandblasted to obtain the metal substrate after the surface rough...

Embodiment 2

[0055] A preparation method of an infrared radiation amorphous coating, the specific steps of the preparation method are:

[0056] Step 1. Preparation of infrared radiation powder

[0057] 10~15wt% iron oxide fine powder, 10~15wt% manganese oxide fine powder, 2~3wt% copper oxide fine powder, 2~3wt% cobalt oxide fine powder, 60~70wt% cordierite fine powder , 2~3wt% nickel oxide fine powder, 2~3wt% titanium oxide fine powder and 2~3wt% chromium oxide fine powder are uniformly mixed to prepare a mixture. Put the prepared mixture into a sagger, put the sagger into a microwave oven, heat it with radiation, raise the temperature to 1050~1100°C, keep it warm for 40~50min, cool, crush, and sieve to obtain 200~250 mesh Infrared radiation powder, spare.

[0058] Step 2. Surface roughening of the metal substrate

[0059] Brown corundum sand is used as the raw material for sandblasting, and the surface of the metal substrate is sandblasted to obtain the metal substrate after the surfac...

Embodiment 3

[0063] A preparation method of an infrared radiation amorphous coating, the specific steps of the preparation method are:

[0064] Step 1. Preparation of infrared radiation powder

[0065] 15~20wt% iron oxide fine powder, 15~20wt% manganese oxide fine powder, 1~2wt% copper oxide fine powder, 1~2wt% cobalt oxide fine powder, 55~60wt% cordierite fine powder , 1-2wt% nickel oxide fine powder, 1-2wt% titanium oxide fine powder and 1-2wt% chromium oxide fine powder are uniformly mixed to prepare a mixture. Put the prepared mixture into a sagger, put the sagger into a microwave oven, heat it with radiation, raise the temperature to 1100~1150°C, keep it warm for 50~60min, cool, crush, and sieve to obtain 250~300 mesh Infrared radiation powder, spare.

[0066] Step 2. Surface roughening of the metal substrate

[0067] Carborundum is used as the raw material for sandblasting, and the surface of the metal substrate is sandblasted to obtain the metal substrate after surface roughening...

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Abstract

The invention relates to a method for preparing an infrared radiation amorphous coating. The technical scheme is that 5wt.% to 20wt.% of ferric oxide fine powder, 5wt.% to 20wt.% of manganese oxide fine powder, 1wt.% to 3wt.% of copper oxide fine powder, 1wt.% to 3wt.% of cobalt oxide fine powder, 55wt.% to 80wt.% of cordierite fine powder, 1wt.% to 3wt.% of nickel oxide fine powder, 1wt.% to 3wt.% of titanium oxide fine powder and 1wt.% to 3wt.% of chromic oxide fine powder are uniformly mixed to form a mixture; the mixture is accommodated into a sagger to be placed into a microwave oven, the temperature rises to 1000 DEG C to 1250 DEG C, the thermal insulation is performed for 30minutes to 60 minutes, the mixture is smashed, and infrared radiation powder is obtained. Then, the infrared radiation powder performs plasma spraying for a roughened metallic matrix, the thickness of the infrared radiation amorphous coating is 100mm to 500 mm, and the infrared radiation amorphous coating is prepared. The method for preparing the infrared radiation amorphous coating has the characteristics of short cycle and low production cost, and the prepared infrared radiation amorphous coating has the advantages of high bonding strength, strong resistance to corrosion, good thermal shock resistance performance, long service life, high usage temperature and high infrared emittance.

Description

technical field [0001] The invention belongs to the technical field of infrared radiation materials, and in particular relates to a preparation method of an infrared radiation amorphous coating. Background technique [0002] High-emitting infrared radiation materials can significantly improve the thermal efficiency of industrial furnaces and achieve energy-saving effects. Carrying out the research and development of high-emitting infrared radiation materials has very important practical significance for the development of low-carbon economy in my country, and also meets the development needs of my country's industrial policies. [0003] In the infrared radiation heating technology, it is generally required that the main wavelength of the infrared radiation of the infrared radiation material corresponds to the absorption peak wavelength of the heated object. As the temperature rises, the main peak of the infrared radiation moves to the short-wave band, which requires the inf...

Claims

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Application Information

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IPC IPC(8): C23C4/12C23C4/10C23C4/134
Inventor 樊希安胡晓明
Owner 湖北赛格瑞新能源科技有限公司
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