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High-emissivity high-temperature ceramic coating

A technology of high-temperature ceramics and high emissivity, applied in antifouling/underwater coatings, coatings, paints containing biocide, etc., can solve low emissivity, wear resistance, poor high temperature resistance, and cannot be better Satisfy the ground and other issues, to achieve the effect of high emissivity and long service life

Inactive Publication Date: 2014-05-14
北京远科宏大石油技术开发有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing ceramic coatings have low emissivity, poor wear resistance and high temperature resistance, and cannot better meet the needs of various petroleum and petrochemical heating furnaces and various boiler furnace tubes, furnace linings, and industrial kiln road furnace linings. Design requirements for related components on products such as electric heating devices and radiant heating tubes

Method used

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Examples

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Embodiment 1

[0012] The high-emissivity high-temperature ceramic coating of the present invention comprises 30.5-45.1 parts by weight of water, 0.3-0.5 parts by weight of bactericide AM7287 (preferably American Dow), and 0.3-0.5 parts by weight of dispersant CF-10 ( Preferably American Dow), the defoamer DF104 (preferably American Dow) with 0.3-0.5 parts by weight, silica sol with 25-30 parts by weight, silicone emulsion with 4-5 parts by weight, 4-5 parts by weight 5 calcined kaolin with a particle size of more than 2000 mesh, 4-5 parts by weight of alumina with a particle size of more than 600 mesh, 4-5 parts by weight of copper chrome black with a particle size of more than 600 mesh, 2-3 parts by weight Rare earth cerium oxide powder with a particle size above 500 mesh;

[0013] The production steps are as follows: put 30.5-45.1 parts by weight of water in a container, add 0.3-0.5 parts by weight of fungicide AM7287, 0.3-0.5 parts by weight of dispersant CF-10, and 0.3-0.5 parts by weig...

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Abstract

The invention relates to a high-emissivity high-temperature ceramic coating and aims at providing a high-emissivity high-temperature ceramic coating capable of being resistant to 1350 DEG C high temperature, fouling and slagging, high-temperature corrosion and abrasion, high in emissivity, not prone to falling off and bulging, made of carbon steel and long in service life. The high-emissivity high-temperature ceramic coating comprises, by weight, water 30.5-45.1 parts, bactericide AM7287 0.3-0.5 part, CF-10 dispersing agent 0.3-0.5 part, DF-104 defoaming agent 0.3-0.5 part, silica solution 25-30 parts, organic silicone emulsion 4-5 parts, calcined kaolin with more than 2000 meshes 4-5 parts, aluminum oxide with more than 600 meshes 4-5 parts, copper chromite black with more than 600 meshes 4-5 parts and rare earth cerium oxide powder with more than 500 meshes 2-3 parts.

Description

technical field [0001] The invention relates to a high-emissivity high-temperature ceramic paint. Background technique [0002] The existing ceramic coatings have low emissivity, poor wear resistance and high temperature resistance, and cannot better meet the needs of various petroleum and petrochemical heating furnaces and various boiler furnace tubes, furnace linings, and industrial kiln road furnace linings. Design requirements for related components on products such as electric heating devices, radiant heating tubes, etc. Contents of the invention [0003] In order to solve the above technical problems, the present invention provides a material suitable for alloy steel, stainless steel, etc., which can withstand high temperature of 1350 ° C, high emissivity, anti-contamination and slagging, high temperature corrosion resistance, wear resistance, no falling off, drumming, Carbon steel, long service life, can better meet the high emissivity design requirements of variou...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/14
Inventor 闫俊良赵凯白维斌王广勇闫慧斌
Owner 北京远科宏大石油技术开发有限公司
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