【摘要】 通过对盘江矿区高瓦斯突出煤层工作面建设"双高"矿井的难点进行综合分析,提出了对高瓦斯和煤与瓦斯突出矿井搞好瓦斯抽放是实现高产高效矿井的关键,并介绍了老屋矿和土城矿采用开采保护层、顶底板巷道穿层钻孔预抽、本煤层预抽配合留管抽放治理瓦斯的经验和方法。更多还原

【Abstract】 This essay proposes that improving gas drainage in mines of coalseam and burst gas or high gas is the key to realizing productive and efficient mine by comprehensively analyzing the difficulties of constructing productive and effective mine at the mining faces of coalseam and high gas burst in Panjiang Mining Zone.It also introduces about the experience and methods of Laowuji Mine and Tucheng Mine where layers drilling hole gas predraining in the mining the protective coats and in roofs and roads,and predraining in the coalseam in combination with pipe buried for gas drainage are adopted.更多还原