特厚煤层大采高综放开采技术的发展

来源 :2016世界煤炭协会技术委员会会议 | 被引量 : 0次 | 上传用户:ww337799
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  厚及特厚煤层可采储量占我国煤炭总可采储量的44%左右,大采高综放开采技术是我国特厚煤层安全高效开采的新方法.本文在分析我国煤炭综放开采技术发展历程的基础上,以塔山煤矿8105工作面为工程背景,研究了14~20 m特厚煤层大采高综放工作面顶煤顶板运移规律,成功研发了大采高综放工作面围岩控制技术、高效高采出率放煤技术装备,以及“低瓦斯赋存,高瓦斯涌出”条件下安全保障等关键技术.塔山煤矿8105大采高综放工作面关键技术与装备的研发成功,使工作面采出率达到88.9%,工作面设备平均开机率达到92.1%,2011年累计生产原煤1084.9万t,实现了特厚煤层大采高综放技术装备的重大突破.
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