water-only cyclone and spiral separator are commonly used equipment for treating coal fines at abroad.
水力旋流器和螺旋分选机是国外常用的粉煤分选设备。
this utility model's structure is simple, this utility model has simple structure, may regular be used for detecting coal fines fineness, and the sampling method is convenient, easy and accurate.
本实用新型结构简单,可定期检测煤粉的细度,取样方便、轻松、準确。
this paper deals with the effect of coal fines and its size distribution on the quality of formed activated carbon.