it is the focus problem for anthracitic coal production enterprise to increase percentage of lump coal and reduce amount of lump coal with size smaller than lower size limit.
提高块煤率、降低块煤限下率是当前无烟煤生产企业关注的焦点问题。
as a result, the reduction efficiency of charcoal, anthracitic coal and bituminous are better than pulverized coke.