长钻孔控制预裂爆破抽放煤层瓦斯的实践研究

文章通过对长钻孔控制预裂爆破抽放高瓦斯煤层瓦斯的效果考察与分析,证实了该技术在鹤壁矿区煤层瓦斯抽放中的推广价值,并初步确定了在鹤壁矿区现有煤层条件下较为合理的预裂爆破参数和抽放参数。

Through the investigation and analysis about gas drainage effect by the long hole controlling presplitting blasting in high gas coal seam, this article proved promotion value of the coal seam gas drainage technology in Hebi mining area, and initially identified reasonable pre - splitting blasting parameters and drainage parameters under the existing conditions of Hebi mining area coal seam.