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北京有色研究总院已研制成功热喷涂用高铬 (铬含量大于 4 0 % )镍基合金丝材 ,该技术不仅填补了国内空白 ,更为解决电厂燃煤锅炉的高温腐蚀带来佳音。据了解 ,目前我国发电厂大部分为燃煤锅炉 ,二氧化硫对锅炉的高温腐蚀很严重 ,两年一次的大修费要支付上千万元。但如果喷涂了?
Beijing Nonferrous Metal Research Institute has successfully developed high-chromium (chromium content> 40%) nickel-base alloy wire for thermal spraying. This technology not only fills the domestic blank, but also brings good news to the high temperature corrosion of power plant coal-fired boilers. It is understood that most of China’s power plants for coal-fired boilers, sulfur dioxide, high temperature corrosion of the boiler is very serious, once in two years to pay the overhaul fee of 10 million yuan. But if sprayed?