超化煤矿“三软”煤层回采工作面瓦斯治理技术

Technology of Gas Control in "Three soft" Coal Seam Excavate Working Face of Chaohua Coal Mine

对超化煤矿主采的山西组二1煤层在工作面回采过程中采取的高抽巷瓦斯抽放技术、顶板岩石钻孔抽放技术、上隅角抽放、煤层注水等技术手段及其效果进行了系统的分析和总结,以期能够对矿井今后在瓦斯治理方面起到指导作用,也可供类似条件的矿井参考。

This paper systematically analyzes and sums up the gas drainage technology of high drainage lane, roof rock drilling holes drainage, upper comer drainage, and coal seam water injection that are daopted in the course of face mining in Shanxi Formation 二 1 ＂three soft＂ coal seam of Canhua Coal Mine, in order to instruct gas control in coal mines, also offer the reference for the resemble condition coal mines.