Coal ranks in the Yuanyanghu mine area are mainly non-cakingcoal, long flame coal the second, all good coals for coal chemical industry and power plant.
鸳鸯湖矿区以不粘煤为主，长焰煤次之，是良好的煤化工和动力用煤。
2
With the raw material of gas coal and weakly cakingcoal-char, a set of formed cokes were prepared by changing the size of gas coal and weakly cakingcoal-char.
以气煤和弱粘煤半焦为原料，通过改变气煤和弱粘结煤半焦的粒度制备出一系列的型焦。
3
The determined result differences of the caking index of the same coal sample under different test conditions are discussed.