论文部分内容阅读
1987年我局古书院矿,借助聚铵脂化学粘结剂,成功地控制住了综采工作面煤壁的严重片帮问题,不仅使工作面生产安全得到了保证,重要的是不到一个月时问,就使一个频临停产的工作面恢复了正常生产。为我国机械化采煤中如阿防止和处理煤壁片帮以及梁前局部冒顶积累了经验。
In 1987, Bureau of Ancient College of Minerals, with the help of polyamine resin chemical binder, successfully controlled the serious problem of coal gangue in fully mechanized mining face, which not only ensured the safety of working face production, but also importantly it was less than one Months when asked, to make a frequently discontinued work surface returned to normal production. As China’s mechanized coal mining, such as A to prevent and deal with the coal wall to help as well as the partial beam roof accumulated experience.