钱家营矿区上行开采经济效益分析

Analysis of the Economic Performance of Ascending Mining Operations Practiced at Qianjiaying Mining Area

利用上行式开采的方法,提高矿井资源回采率,可缓解矿井因储量少而影响经济效益,同时采用上行式开采还有利于改善采场的稳定性及减轻或避免深部硬岩开采诱发的岩爆灾害。

The ascending mining system is applied at Qianjiaying Coal Mine for higher recovery rate of coal resources and avoiding the downturn of economic performance due to reduction of coal reserves.The use of the system is also conducive to improvement of stability of workings and reduction or prevention of rock burst hazards induced by mining in hard rock at depth.