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Overview of heating temperatures of ceramic high-temperature resistant coatings

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Regarding the temperature resistance regulations of high-temperature ceramic coatings, the temperature resistance must be higher than 280°C, the coating is stable, acid and alkali resistant and thermal shock resistant, has a certain energy-saving effect under application, and protects the environment and benefits people's livelihood. Energy conservation has been regarded by Chinese experts as the “fifth energy” after the four important energy sources: coal, oil, natural gas and electricity.

Judging from China's current energy utilization efficiency, energy conservation is more economical than building a new boiler room, adding heating units, or developing hydropower, thermal power, and nuclear power. Therefore, the country has set "resources and energy: conservation and environmental protection" as a basic national policy, intensified governance efforts, and improved coal utilization efficiency by adopting various new technological measures such as comprehensive utilization of coal and pulverized coal technology, and adopted sulfur removal, dust removal, etc. Equipment and other environmental protection management. However, Zhishengweihua high-temperature coating researchers found that thermal insulation exists in various domestic industrial boilers, combustion furnaces, blast furnaces, induction furnaces, gasification furnaces, smelting furnaces, rotary kilns, aerospace, reactors, chimneys, molds, exhaust pipes, and nuclear reactors. There is no effective way to protect the boilers due to bad and corrosive conditions. A small number of boilers use spraying nickel-based coatings or other metal coatings to solve the problem. Although it has certain effects, it is expensive.

Ceramic high-temperature coating is recognized as a stable new material with anti-oxidation, anti-corrosion, anti-wear, and thermal insulation. The coating is applied in industrial boilers, combustion furnaces, blast furnaces, induction furnaces, gasification furnaces, smelting furnaces, and rotary kilns. , aerospace, reactors, chimneys, molds, exhaust pipes, and nuclear reactors have high bonding strength and matching thermal expansion coefficients, so the development prospects of high-temperature resistant ceramic coatings are good.

Although the high-temperature abrasion-resistant coatings currently used at home and abroad have their own advantages, they often fail to meet the requirements of high-temperature wear resistance, corrosion, oxidation, good thermal conductivity, and low cost. Although the performance of foreign high-temperature corrosion-resistant coatings is good, the spraying cost is too high and is not suitable for promotion and use in China. In China, Beijing Zhisheng Weihua Chemical Co., Ltd. took the lead in establishing and developing ceramic high-temperature coatings. The self-developed coating adapts to my country's national conditions. . Energy-saving ZS series ceramic high-temperature coatings such as thermal insulation, acid and alkali resistance and anti-corrosion, adhesive, insulation self-cleaning, waterproof and fireproof, far infrared protection.

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