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.

 
  • 介紹了潘一礦在綜合治理采煤面瓦斯的過(guò)程中,利用在煤層頂板施工高抽巷,高抽巷內埋設抽放管路抽放瓦斯,加強抽放取得顯著(zhù)效果;
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