现在,我国无煤柱护巷的推广应用,重点是在高沼气、易自燃煤层。目前,虽已在某些矿取得了一些成功经验,但总的说来,在理论上和实际应用上仍有很多问题没有得到解决,特别是漏风发火问题。 现将国外在无煤柱护巷防治漏风发火的一些主要做法和经验介绍如下,供有关方面借鉴和参考。 Now, the promotion and application of coal pillar-free roadway in our country, the emphasis is on high biogas and easily-ignited coal seam. At present, although some successful experiences have been obtained in some mines, in general there are still many problems in theory and in practical application that have not been solved, especially the problem of air leakage. Now in the non-coal pillar protection lane leakage control some of the main practices and experience are introduced below, for reference and reference.