“三软”煤层工作面悬移支架回收技术应用

Recovery Technology Application of Movable Support in Three Soft Coal Seam

由于教学二矿31161工作面顶板破碎、煤墙易片帮,给工作面悬移支架的回收带来一定的困难,在回收过程中为保证支架的顺利回收,采取了铺金属网及钢丝绳、扩巷等措施。本文重点分析了悬移支架的回收方案,为其它工作面悬移支架在豫西"三软"煤层条件下回收提供了借鉴。

Aiming at the diffieu fall in coal wall on 31161 Face lty of J in the recovery of movable support on work face due to the broken roof and rib iaoxue No. 3 Colliery, the paper mainly analyzes the recovery scheme of mova- ble support by laying mental net and steel wire rope, and enlarging roadway, which provides reference for the recovery of movable support on other work face under the condition of three soft coal seam in west Henan.