煤保护层技术在矿井水害防治中的应用

Application of Coal Protective Layer Technology in Mine Water Disaster Prevention and Control

晋能控股煤业集团赵庄矿3号煤层为高瓦斯煤层,瓦斯抽采作业为高难度项目,存在瓦斯突出的问题,而地下水的预防与治理存在底板带压的缺陷,给矿井的高质量开采带来了安全隐患。基于做出的保护层开采计划方案,设计了6-1号煤层带压开采的防治水策略方案,在对3号煤层瓦斯进行合理安全的减压释放之后挖掘开采,对于矿井水害的预防治理是有效的。

The No.3 coal seam of Zhaozhuang Mine of Jinneng Holding Coal Industry Group is a high gas coal seam,and the gas drainage operation is a highly difficult project,which has the problem of gas outburst.The prevention and treatment of ground-water has the defect of floor pressure,which brings potential safety hazards to the high-quality mining of the mine.Based on the developed protective layer mining plan,this paper designed the water prevention and control strategy scheme for mining under pressure in No.6-1 coal seam.Mining after reasonable and safe decompression and release of gas in No.3 coal seam was effective for the prevention and treatment of mine water disaster.