沿空留巷调采三角煤及造回撤条件在三软、冲击地压综采工作面的应用  

Application of Triangular Coal Mining along Goaf Roadway and Conditions of Making and Withdrawing in Three-soft and Percussive Fully-mechanized Coal Mining Face

作　　者：程洪飞 孔凡贵 程洪强 王伟 CHENG Hong-fei;KONG Fan-gui;CHENG Hong-qiang;WANG Wei(Zaozhuang Daxing Mining Co.,Ltd.,Zaozhuang 277317,China)

机构地区：[1]枣庄大兴矿业有限责任公司,山东枣庄277317

出　　处：《煤炭技术》2020年第11期15-17,共3页Coal Technology

摘　　要：通过技术论证,对2北301综采工作面剩余三角煤,进行沿空留巷进行回采及造回撤条件,最大提高资源回收率,减少资源浪费,延长工作面推采时间,提高公司效益,减少对下一步开采采区煤柱冲击地压影响。Through technical demonstration,Daxing Company carried out the extraction of the remaining triangle coal in the 2 nd North 301 fully mechanized coal mining face,and carried out the conditions of gob-side entry retaining and production and withdrawal,so as to increase the recovery rate of resources,reduce the waste of resources,and prolong the working face pushing mining time,improve company benefit,reduce to next mining area coal pillar impact ground pressure influence.

关 键 词：沿空留巷 三角煤 造回撤条件 三软煤层 冲击地压 

分 类 号：TD353[矿业工程—矿井建设]