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The Investigation on the Renson limited HP Mills Rate
Author(s): XIAO Jie
Pages: 46-
48
Year: 2008
Issue:
2
Journal: CENTRAL CHINA ELECTRIC POWER
Keyword: 中速磨; 出力; 可磨性指数; 岩相; 混煤;
Abstract: 采用HP磨磨制某种贫瘦煤时,在出力很低时出现磨碗振动大、石子煤排放量大和磨环差压大的现象,煤质分析表明,该贫瘦煤为无烟煤与挥发分高的煤混合而成,石子煤主要是无烟煤.煤的HGI为62,属中等可磨煤,但在中速磨中的可磨性接近难磨煤种.HGI不能完全表征煤种在中速磨中的可磨性,中速磨会浓缩煤中的难磨成分作为石子煤排出,不适宜磨制难磨煤种以及掺有难磨煤种的混煤.
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