摘要
该文针对上隅角瓦斯超限严重和采空区易发火的情况,制定了四种上隅角瓦斯治理方案,取得了良好的治理效果,有效地防止了工作面初采期和生产期瓦斯超限,保证了工作面安全高效生产。
The paper made four programs of gas control in upper comer according to the condition of gas overrun in upper comer and goal burned easily, and good control effect was achieved, and prevented gas overrun during initial mining and producing period effectively, and ensured safe and efficient pro- duction.
出处
《山东煤炭科技》
2013年第1期184-184,186,共2页
Shandong Coal Science and Technology
关键词
上隅角
漏风
高位钻场
穿层钻孔
upper comer air leakage high level drilling site layer - through borehole
