单一层综采工作面瓦斯综合抽采技术

Application of comprehensive gas extraction technology in fully mechanized mining face

通过鹤岗矿区兴安煤矿的生产实践,根据工作面不同的瓦斯来源,分别采取本煤层抽放、外错尾巷抽放、高位孔抽放、采空区埋管抽放等多种抽放技术,有效地治理了工作面瓦斯。

Based on the sources of gas in fully mechanized mining face,the comprehensive gas drainage methods,such as coal seam drainage,tailgate drainage,high drilling drainage and gob buried pipeline drainage,was used in Xing＇an Coal Mine.This comprehensive gas drainage methods has a good effect in controlling gas and can provide a new method for gas control in high gas mine.