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针对石嘴山一矿在3531(中北)工作面进行的单体π梁炮采放顶煤开采与实践存在的问题,在3531(下北)工作面对炮放工艺进行了完善,介绍了炮放改进炮放工艺的途径和进行了效益分析。实践安全、稳产高效的途径。
Aiming at the problems existing in the mining and practice of single-body π-beam mining with top-coal caving at 3531 (North-South) face of Shizuishan Mine No.1 Mine, the 3531 (Xiabei) The way of artillery discharge and the benefit analysis. Practice safe, stable and efficient way.