一起锅炉制粉系统爆燃的事故原因分析

Electric Safety Technology(2013)

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Abstract
<正>1锅炉概述某电厂B&WB-1103/25.4-M型锅炉为超临界参数、螺旋炉膛、一次中间再热、平衡通风、固态排渣、全钢构架、半露天布置的л型锅炉,锅炉设有无循环泵的内置式启动系统。制粉系统采用正压冷一次风直吹式系统,配4台双进双出钢球磨煤机,每台磨煤机对应锅炉单墙一层半6只燃烧器,共24只燃烧器分6层对称布置在锅炉的前后墙上。设计煤种是80%阳泉无烟煤和20%寿阳贫瘦煤的混煤,实际燃煤为下层神华煤、上层阳泉煤掺烧。2事故经过
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