摘要
根据淮南矿区高突煤层瓦斯赋存和瓦斯事故的实际状况,研究了掘进迎头和掘进巷道瓦斯涌出的主要特点,提出了针对性瓦斯防治思路和防治方法。现场考察了淮南矿区掘进巷道瓦斯排放的基本参数,确定了巷帮钻孔的有效布置范围和合理抽放时间。
The author conducted research on the main features of gas emission in heading face and roadway according to the actual situation of gas occurrence and gas accident in serious outburst seams in Huainan Coal Mining Area and advanced directive gas prevention and control ideals and methods. On-the-spot investigation was made on the basic parameters of gas drainage in drivage roadway in Huainan Coal Mining Area, and reasonable arrangement range of rib bore-holes and reasonable drainage time were determined.
出处
《矿业安全与环保》
2003年第b06期5-6,8,共3页
Mining Safety & Environmental Protection