特厚煤层放顶煤高压注水软化分析

Anaby xing on the softening with high pressure water to the thick top-Coal

兴山矿五采区根据π型钢梁放顶煤过程中 ,因煤质硬 ,产生大块 ,探讨了开采前如何对顶煤进行注水软化的工艺过程。

Based on the top-coal mining with TL steel beam in Xing shan Coal Mine No.S mining area,that the coal quality is hard and the lump is large,approaches the processing of now to soften the top-coal with highpressure water.