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如何在外观上辨别煤的好坏

更新时间: 2020-10-13 00:00:00     

1、不管是烟煤、无烟煤,都是越轻、越亮就越好。亮是指有金属光泽, “轻”就意味着灰份低。

2、好的烟煤和无烟煤都是比较易碎的,太硬的煤灰份高。

3、好的烟煤也是有亮光的,那种乌黑不亮的烟煤挥发分过高,容易自燃。

4、如果煤中混入的煤矸石过多,不是煤质差,就是搞鬼。

关键词: 如何 外观 辨别 好坏

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