云岗矿极近距离煤层安全开采采掘技术研究

为防止311盘区11-2^#层工作面掘进及采煤过程中造成近距离煤层的漏顶事故发生,通过优化工作面布置方式、掘进期间支护形式及参数,制定工作面开采期间的回采工艺及顶板管理措施,在生产实践过程中总结了一套安全可靠的极近距离煤层采掘技术,对近距离煤层开采有一定的指导意义。

Study on Safe Mining Technology of Very Close Seam in Yungang Mine

In order to prevent the roof leakage accident in the 11-2^#coal seam of 311 panel area in the process of driving and mining,by optimizing the layout of the working face,the supporting form and parameters during driving,the mining technology and roof management measures during the mining of the working face are formulated.In the process of production practice,a set of safe and reliable mining technology of very close seam is summarized,which has certain guiding significance for the mining of close seam.