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针对袁庄煤矿主采煤层31煤的枯竭,该矿通过优化掘进后运系统,使6煤层2个同翼且上下相邻的工作面顺利接替,缓解了矿井主采煤层采掘接替的紧张局面。
In view of the depletion of 31 coal in the main coal seam of Yuanzhuang Coal Mine, the mine has succeeded in replacing the two coal mining workplaces with the same wings and adjacent to each other in the 6th coal seam by optimizing the tunneling and transportation system, easing the tension of the mining seam of the main coal seam situation.