In the comprehensive treatment of coal face gas in Panyi Mine, high level suction roadway above the coal seam top and embeded suction pipe were used to draw out gas, which obtained good effect.

• 介绍了潘一矿在综合治理采煤面瓦斯的过程中,利用在煤层顶板施工高抽巷,高抽巷内埋设抽放管路抽放瓦斯,加强抽放取得显著效果;