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Summary of heating temperature of ceramic high temperature resistant coatings

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As for the regulations on the temperature resistance of high temperature resistant ceramic coating, the temperature resistance must be higher than 280 ℃. The coating is stable, acid and alkali resistant, and thermal shock resistant. It has a certain energy-saving effect in application, and protects the environment and benefits the people's livelihood. Energy conservation has been regarded by Chinese experts as the "fifth energy" after coal, oil, natural gas and electricity.

According to the current situation of energy utilization efficiency in China, energy conservation is more economical than building new boiler rooms, increasing heat supply units, and developing hydropower, thermal power, and nuclear power. Therefore, the state has made "resources and energy: saving and environmental protection" the basic national policy, and has strengthened the governance. It has improved the utilization efficiency of coal by adopting various new technical measures such as comprehensive utilization of coal and pulverized coal technology, and adopted sulfur removal and dust removal equipment for environmental protection. However, the researchers of Zhisheng Weihua High Temperature Coatings found that all kinds of domestic industrial boilers, combustion furnaces, blast furnaces, induction furnaces, vaporization furnaces, smelting furnaces, rotary kilns, aerospace, reactors, chimneys, molds, tail gas pipes and nuclear reactors have poor thermal insulation and corrosion, and there is no effective way to protect them. A small number of boilers are sprayed with nickel based coatings or other metal coatings, Although it has some effect, the cost is high.

Ceramic high temperature coating is recognized as a stable new material for oxidation resistance, corrosion resistance, wear resistance, thermal insulation and heat preservation. The coating is applied to industrial boilers, combustion furnaces, blast furnaces, induction furnaces, vaporization furnaces, smelting furnaces, rotary kilns, aerospace, reactors, chimneys, molds, tailpipes, nuclear reactors with high cohesion and matching coefficient of thermal expansion, so the high temperature resistant ceramic coating has a good development prospect.

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