综放工作面走向空巷充填技术的应用实践

Application and Practice of Heading Towards Empty Roadway Filling Technology in Fully Mechanized Top Coal Caving Face

分析空巷破坏形式及治理难点,确定虎龙沟煤业81511工作面采用超高水材料充填过空巷的技术方案,阐述超高水材料空巷充填的作用机理、工艺和关键技术。现场应用后,未出现片帮、冒顶及压架事故,保障了81511工作面的正常安全回采。

This paper analyzes the failure forms and treatment difficulties of empty roadway,determines the technical scheme of filling empty roadway with ultra-high water material in the 81511 working face of Hulonggou Coal Mine,and expounds the action mechanism,technology and key technology of ultra-high water material empty roadway filling.After field application,there are no accidents of sheet slope,roof fall and pressure frame,which ensures the normal and safe mining of the 81511 working face.