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OALib Journal期刊
ISSN: 2333-9721
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FBC中含S和Cl煤燃烧下的碳钢退化研究
, PP. 125-129
Keywords: 流化床,低碳钢,腐蚀,冲蚀
Abstract:
在实验室规模的流化床(FBC)中分别燃烧低S(097mass％）与低Cl(0026mass％)，中S(168ss％）与高Cl(042mass％)，高S(448mass％）与高Cl(041mass％)三种煤各1000小时后，对放置于接近沸腾床位置的A210-C碳钢管的退化情况进行了研究.结果表明，(1)碳钢退化明显受温度影响，随表面温度的升高显著加快；(2)碳钢退化明显受飞行粒子带来的冲蚀影响；（3)燃烧低S低Cl煤对碳钢的耗损影响最小，而燃烧高S高Cl煤对碳钢耗损影响最大.同时根据对腐蚀产物的观测分析，对不同煤种燃烧产生的环境中碳钢的退化机制进行探讨.
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