煤回采工艺

无人作业工作面长孔爆破落煤回采工艺

Long Borehole Blasting Mining Technique of Unmanned Operated Coal Mining Face

急倾斜煤层巷道放顶煤回采工艺研究

Study on Gateway Top Caving Technology for Steep-inclined Coal Seam

放顶煤回采工艺参数的合理选取，对顶煤的有效回收起着重要的作用。

The rational selection of the technique parameters played an important role in the effective recovery of top coal .

急倾斜特厚煤层轻型支架放顶煤回采工艺

High Yield and High Efficency Stoping Technology of Light-duty Support for Caving Coal in the Steeply Inclined and Much Thicker Coal Bed

对该采煤方法的巷道布置、阶段顶煤高度以及回采工艺进行了研究，形成了巷柱式放顶煤开采技术。

The paper studied the gateway layout , the sectional top coal height and the coal mining technology of the coal mining method . Then the gateway and pillar top coal caving technology was developed .