淮南矿区顾北煤矿含水层下1212(1)工作面试采实践

Trial Mining Practice of 1212(1) Working Face Under Aquifer in Gubei Coal Mine of Huainan Mining Area

通过对顾北煤矿1212(1)工作面进行提高回采上限、缩小防水煤柱留设的研究和实践,对中等～强富水性松散含水层下11-2煤层进行了成功试采,既减少了国家煤炭资源的损失又提高了矿井经济效益。

Through the research and practice for increasing mining upper limit and reducing waterproof coal pillars left in 1212（1） working face of Gubei Coal Mine,it carried out successful trial mining for 11-2 coal seam under the rich aqueous loose aquifer from medium to strong,which not only reduced the loss of national coal resources,but also improved economic benefits of coal mines.