急倾斜煤层开采及采空区处理

龙湖煤矿二采区一水平开采煤层、断层多、厚度变化大、构造复杂,均为急倾斜薄煤层。该矿曾经尝试了多种的采煤工艺均未成功。回采工艺采用松散的煤支撑顶板,绳锯落煤,工作面无人作业,经过大量的反复试验,取得了较好的效果。

Coal Mining and Goaf Treatment in Steep Coal Seam

Longhu Coal Mine second level mining coal seam has more,faults,big thickness change and complicated structure,which are the steeply inclined thin coal seams.Tried a variety of coal mining technology has not been successful,stoping technology uses loose coal roof support,wire saw,coal working face unattended operation.Through a large number of repeated experiments,the good results have been achieved.