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鹤煤集团在复合顶板、断层构造多、软煤层等复杂地质条件下,采用走向长壁炮采放顶煤的采煤方法。在炮采垮落放顶煤工艺中,根据自身条件,采用π型钢梁对棚支架和液压支架联合对顶板进行控制,找出适合该矿井的顶板控制措施,很好地指导了矿井的安全与生产,取得了良好的经济效益,为类似条件的煤矿提供了宝贵经验。
Hebi Coal Group in the complex roof, fault structure, soft coal and other complex geological conditions, the use of longwall artillery Caving mining method. According to its own conditions, the π-type steel beam is used to control the roof by the joint support of scaffolding and hydraulic support to find out the roof control measures suitable for this mine, which can well guide the safety of the mine And production, and achieved good economic benefits, for similar conditions in the mine provided valuable experience.