anthracite

This article concludes the test result and production experience of the internal puddler aboutinjecting the bituminous and anthracite mixed coal.

本文归纳了国内炼工作者关于高炉喷吹烟混合煤的试验结果和生产经验。

No.39 coal is one of high-metamorphism anthracite with black color and near-metallic luster in which semibright coal and semidull coal are dominant lithetype and there is a little dull coal.

大田水井坑井田39号煤层属高烟煤,灰黑色至黑色为主,似金属光泽,宏观煤岩类型以半亮型和半暗型为主,少量为暗淡型;