摘要
根据东坡煤矿912工作面煤体出水及治理复产工作,研究了综放工作面煤体出水的治理技术。制定了工作面出水后的处理思路,分析了912工作面煤体出水的水源和通道,研究了煤体出水的机理和特点,设计了注浆堵水的方案,实现了工作面跨断层回采。研究认为,综放工作面煤层出水后,先停采查明水源和通道,并根据煤体出水未揭露构造带、水量小的特点,由远及近布置注浆孔,最后在支架下采用水泥-水玻璃双液浆封堵出水口裂隙,再对断层带进行全面加固后,工作面可迅速复产并安全推过断层带。
According to the instance of water inrush and treatment of 912 working face in Dongpo Coal Mine, this paper summarized the technology of rapid treatment on water inrush from mining coal of fully mechanized caving face, and analyzed the water inrush resource and channels of 912 working face, studied the mechanism and characteristics of water inrush from the coal, designed the project of grouting and blocking water, and realized crossing fault recovery of working face. The research showed that the working face can be reproduced quickly and crossing through the fault zone safely by firstly exploring the water inrush resource and tunnel after the water inrush from the coal seam in fully mechanized caving face, and then sealing off the water inrush tunnel by using the two-fluid slurry to grout the fault zone according to the characteristics of unexposed fault zone and little water discharge through laying the grouting holes from far to near to finally reinforce the fault zone.
出处
《煤矿安全》
北大核心
2017年第11期80-83,共4页
Safety in Coal Mines
关键词
综放工作面
煤体出水
注浆堵水
跨断层回采
水害治理
fully mechanized caving face
water inrush from coal
grouting and blocking water
mining crossing fault
water control
