用细粒级煤代替粗粒级煤浮沉试验的可能性

The study of replacing coarse raw coal float-and-sink analysis with broken size coal

本文通过对几个矿的原煤进行破碎前后浮沉试验的结果分析,认为在一定条件下用细粒级煤的浮沉组成代替粗粒级煤的浮沉组成是可行的.

Having studied the resnh of several coal mine's rew coal and creaking raw coal float-and-sink analysis, the anthors consider it is feasicle in some condtion replacing coarse raw coal coalfloat-and-sink with breaked fine raw coal float-and-sink analysis rep.