High-ash coal as therepresentative of inferior coal, it will be used frequently in the cement production. However, the change of the coal quality will be certain influence the clinker burning,quality and the stable of the kiln's condition.
以高灰分煤为代表的劣质煤，在水泥生产中的频繁使用必然会影响到熟料煅烧、窑系统工况稳定以及能耗高低等。
参考来源 - 高灰分煤对硅酸盐水泥熟料烧成过程的影响规律研究·2,447,543篇论文数据，部分数据来源于NoteExpress
煤的变质程度低，灰分高。
对于一些适宜的煤种，利用净化能力强、分选效率高的旋流微泡浮选柱可以分选出灰分小于2%的低灰煤。
Low ash coal with an ash content lower than 2% can be separated from some suitable coal with its purification ability and by a high efficient cyclonic microfoam columned pneumatic floatation machine.
澳大利亚煤(澳煤)是具有高挥发分、高热值、低灰分等特点的优质动力煤。
Australian coal is a high grade coal sort, boasting high volatile matter content, high calorific value, and low ash content.
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