云岗矿8409工作面采空区积水探放工程设计

Design of Water Exploration and Drainage Engineering in Goaf of 8409 Working Face of Yungang Mine

云岗矿8409工作面开采受上覆7#、3#、2#层等采空区积水的威胁,为消除危险,通过分析该矿404盘区8#层煤层赋存情况,对水患分析情况进行了预计。依据煤矿防治水规程对探放水工程进行了设计,实践应用效果表明该设计能有效地疏干8#层8409工作面上覆7#、3#、2#层采空区积水和同层南部8407采空区积水,保证了8409工作面的安全开采。

The mining of the 8409 working face of Yungang Mine is threatened by the overlying goaf water of No.7,No.3,No.2 strata,etc.In order to eliminate the danger,the occurrence of No.8 coal seam in the 404 pan area of Yungang Mine is analyzed,and the flood analysis is predicted.The water exploration and drainage project is designed according to the water prevention and control regulations of coal mine.The practical application results show that the design can effectively drain the water accumulated in goaf of No.8 floor 8409 and goaf of No.7 floor 7,No.3 and No.2 floors and water accumulated in goaf of No.8 floor 8409 in the south of the same floor and ensure the safe mining of No.8409 working face.