新铁煤矿将原有9个生产采区缩减到5个,将原来部分采区合并进行联合布置,解放采区隔离煤柱,重新优化设计利用-350米二水平回风大巷兼做一水平-350米以上运输巷,进而减少主运巷压煤,同时解决高吊煤回收,使得原有呆滞煤量得到了合理开发利用,采用先进采煤方法大大提高了矿井回收率.%The new iron mines reduced the original mining area from 9 to 5 and merged and combined arrangement of the original part mine, the liberation of coal pillar mining area, re-optimize the design using the second level of -350 meters of roadway air return cater to a level of -350 meters above the roadway, thereby reducing pressure lane main transport of coal, while addressing the high-hanging coal recovery, making the original amount of sluggish coal get rational development and utilization, the use of advanced mining method greatly improves the recovery of the mine.
展开▼
