In recent years, the issue of flue gas emissions pollution from power plants, steel mills, and cement plants has gradually been concerned and valued by people. In order to meet national environmental regulations and reduce engineering costs, major companies commonly use the wet flue gas desulfurization (FGD) process without installing flue gas heating systems (GGH). Installing FGD without exceeding GGH results in a flue gas temperature of about 50 ℃ when discharged into the chimney. Wet flue gas condenses and forms condensation acid in the chimney, greatly enhancing the corrosiveness of the chimney. The material corrosion of the chimney is relatively severe, resulting in significant corrosion waste. Now, a chemical company in Beijing has conducted on-site research for many years, tens of thousands of experimental research and development, and the production and sales of flue gas flue gas anti-corrosion. Coatings, with independent patented technology. This coating has been successfully applied in national petrochemical projects, steel mills, and power plants for many years, and has received praise and recognition from relevant personnel.
Related data shows that in order to solve this problem, various manufacturers have successively adopted methods such as adding steel inner tubes and titanium plates for corrosion prevention, installing steel exhaust pipes in concrete chimneys, using polyurea elastomers for corrosion prevention in steel exhaust chimneys, spraying refractory clay on refractory bricks, and using lightweight acid resistant castables for overall pouring, but these methods have not been unanimously recognized by the industry.
In order to solve the anti-corrosion problem of wet chimneys, it is necessary to seek a material that is acid resistant, temperature resistant, high-temperature resistant, and wear-resistant with good adhesion. The ZS-1041 flue gas pipeline anti-corrosion coating produced by the chemical company provides us with a better choice. At least so far, this should be a good method to solve this problem.
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