受国际国内经济冲击,我国煤炭市场供需关系发生逆转,利润空间大幅缩小。煤炭市场的“经济严寒”结束了过去的“十年暖春”。面对困境,大多企业或抱团取暖,或苦练内功。晋华宫矿矿井于1956年建成投产,目前采场大多已处在煤层边缘地带,且煤层赋存条件差,地质结构复杂,采掘接替日渐紧张,系统运行成本大。负重爬坡、艰难前行,尽管员工人 Affected by the international and domestic economic shocks, the supply and demand in the coal market in China reversed, with a sharp reduction in profit margin. The “economic crisis” in the coal market has ended the past “10 years of warm spring ”. In the face of predicament, most enterprises or Baotuan heating, or hard skills. The Jinhuagong Mine has been put into operation in 1956. At present, most of the stopes are already at the edge of the coal seam. The coal seams are poorly preserved and the geological structure is complex. As a result, the excavation successions have become increasingly tight and the system operation costs are high. Weight climbing, difficult to move forward, despite the staff