综放工作面切眼摸顶摸底成巷工艺  

Technology of reaching roof and bottom to form open-off cut in fully mechanized top caving face

作　　者：胡冲 Hu Chong(Dashucun Mine Jizhong Energy Fengfeng Group,Handan 056300,China)

机构地区：[1]冀中能源峰峰集团大淑村矿,河北邯郸056300

出　　处：《煤炭与化工》2022年第3期29-31,共3页Coal and Chemical Industry

摘　　要：针对综放工作面三角煤丢采造成资源回收率低的问题,峰峰集团大淑村矿172402工作面切眼首次采用摸2号煤顶板、底板配合培顶工艺,通过将巷道原锚网索支护、切眼摸顶、摸底与培顶结合,形成完整的支护体系,切眼卧底后最终高度达到5.2 m,提高回采率,达到综采工作面回收底三角煤的目的,对类似条件工作面准备和切眼成巷具有一定参考价值。In view of the low recovery rate of resources caused by the loss of triangular coal in the fully mechanized top coal caving face,the technology of reaching roof and bottom,roof support of Coal No.2 in Face No.172402 of Dashucun Mine was firstly adopted.A complete support system was formed through the combination of original anchor mesh cable support,reaching roof and bottom,roof support.The final height of the open-off cut reached 5.2 m after undercover.This method improved the recovery rate,achieved the purpose of recovering the bottom triangle coal in the fully mechanized mining face,and there was a certain reference value for the preparation of the working face under similar conditions.

关 键 词：井巷支护 三角煤回收 摸顶摸底 

分 类 号：TD353[矿业工程—矿井建设]