张集矿北区立井井筒快速安全揭开突出煤层试验研究

Experiment on fast and safely openning up coal seam with gas outburst in vertical shaft in north zone of Zhangji mine

通过对淮南张集北区矿井井筒揭煤实践,认为立井井筒实现快速安全揭开突出煤层在技术上是可行的,给出了技术方案和措施。

Through the practice of opening up of coal seam in pit shaft in the north zone of Zhangji mine in Huainan mining area,the article thinks that fast and safely opening up coal seam with gas outburst in vertical shaft is feasible in technique and it also gives technique scheme and measures.