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介绍一种低位连续式排头放顶煤支架 ,并对综放工作面排头支架顶煤回收率及端头维护等问题进行讨论分析。通过实践和应用表明 ,综放工作面排头支架放顶煤技术是可行的 ,效益明显
The paper introduces a kind of low rank continuous top coal caving support, discusses and analyzes the top coal recovery rate and end maintenance of the top support in fully mechanized caving face. Through practice and application, it shows that it is feasible and effective for the top coal caving technology in the fully mechanized top-coal caving face