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系统介绍了405大采高综采工作面的回撤工艺,在大采高工作面条件下,回撤通道的顶板采用锚带网和锚索联合支护,保证安全的基础上,节省了回撤材料和时间,对本矿或者其它矿井的工作面回撤具有一定的指导意义。
The technology of withdrawing 405 fully mechanized fully mechanized coal mining face is systematically introduced. Under the conditions of large mining face, the roof of the retract channel is supported by anchor net and anchor cable to ensure safety and save back Withdrawal of materials and time, the mine or other mine face with a certain guiding significance.