综采工作面上覆老空水综合探放技术  

Comprehensive Exploration and Caving Technology for Overlying Goaf Water in Fully Mechanized Mining Face

作　　者：武章军 Wu Zhangjun(Nantusi Coal Industry Co.,Ltd.,Shanxi Qinhe Energy Group,Jincheng,Shanxi 048000)

机构地区：[1]山西沁和能源集团南凹寺煤业有限公司,山西晋城048000

出　　处：《江西煤炭科技》2020年第4期91-93,共3页Jiangxi Coal Science & Technology

摘　　要：常村煤矿15011工作面顶部存在大面积老空区积水,为了解除顶板部老空水的威胁,在工作面回采之前制定了一套完整的探放水技术方案。通过井上下联合物探方法,准确圈定顶板老空积水范围,确保探放水效果,成功对老空区积水进行了疏放,通过对排水系统的优化,保证工作面探放水和生产期间的排水能力。经统计,钻孔涌水量由探放前670 m3/h降低至为57 m3/h,累计疏放老空水超过12万m3,确保了工作面安全回采。To solve the problem of overlying goaf water in 15011 working face,Changcun Colliery,a complete set of water detection and release technical plans has been developed before mining at the working face.Through the combined geophysical exploration method up and down the well,the area of the old goaf water accumulation in the roof has been accurately delineated to ensure the water detection and release effect,and the water accumulation in the old goaf area has been successfully drained,which optimizes drainage system and ensures the drainage of the working face and drainage during production.According to statistics,the water inflow from the borehole is reduced from 670 m3/h to 57 m3/h,and the accumulated empty water exceeded 120,000 m3,which ensures safe mining of the working face.

关 键 词：上覆老空水 安全回采 综合物探 探放水工程 

分 类 号：TD745[矿业工程—矿井通风与安全]