摘要
西曲矿9#煤层19104综采工作面采用“U”型通风系统,由于工作面的推进,上覆采空区不断垮落,采空区瓦斯大量涌入,加上本煤层瓦斯的涌入,其上隅角瓦斯常处于超限状态,不仅影响工作面的正常生产,也威胁着矿井安全。在实践中,通过对处理上隅角瓦斯隐患的各种措施进行分析比较,得出在不同瓦斯涌出量条件下,行之有效的技术措施。
Adopts＂ U＂ type ventilation system in 19104 fully mechanized mining face of 9# coal seam in Xiqu coal mine, because of moving forwards of mining face, overburden gob area continually caving, gas of gob area pours in, and gas of this coal seam pours in, the gas of upper comer often is the state of exceeded normal value, not only affects the normal production of mining face, but also threatens safety of the mine. In practice, through analysing and comparing various measures of processing hidden trouble of upper comer gas, obtains the effective technical measure under the condition of different gas emission quantity.
出处
《山西焦煤科技》
2007年第6期14-16,共3页
Shanxi Coking Coal Science & Technology
关键词
上隅角
上覆采空区
瓦斯超限
Upper comer
Overburden gob area
Gas emission exceeded normal value
