论文部分内容阅读
急倾斜煤层的回采一直存在着回采率低、采后难以管理等实际问题。文章详细介绍了一种“吃花垛”式采煤方法配以砌煤矸混凝土墙超前采后管理的新工艺,有效地提高了资源回收,改善了安全生产面貌。
There are always practical problems in the recovery of steep coal seam, such as low recovery rate and difficult management after mining. The paper introduces in detail a new technology of “picking stack” type coal mining method with pre-mining and post-harvest management of coal gangue concrete wall, which effectively improves resource recovery and improves safety production appearance.