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介绍了三汇三矿＋ 100m水平倾斜薄煤层 K3、 K4推广应用急倾斜煤层双环圈密集布孔法揭煤过煤门防突技术，以及该防突技术与原采用的多排钻孔卸压揭煤过煤门防突技术的对比试验情况。
This paper introduces the application of the anti-overhaul technology of coal in coal seam with the double-ring densely-laid hole method in steeply inclined coal seam and the multi-row borehole pressure relief technology Cross-coal overburning coal outburst technology comparative test situation.