单一复合煤层综采工作面上隅角瓦斯治理技术研究-中国煤矿安全生产网 关键词:单一复合煤层 上隅角 瓦斯治理 [gap=707]Keyword:single-composite coal seam; upper corner; gas control
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This paper used the optimized high position boring take gas out. Gas concentration of the upper corner angle and the return airflow tunnel has been controlled,and insuered working face in safe mining.
应用RFPA2D软件模拟并确定了桃园煤矿裂隙带的高度,为优化采空区顶板抽放参数提供了依据,并利用优化设计的高位钻孔进行瓦斯抽放,回风巷和上隅角的瓦斯浓度均得到控制,消除了瓦斯超限现象,保证了工作面的安全回采。
参考来源 - 桃园矿高位钻孔瓦斯抽放参数优化研究All kinds of measures for gas harnessing of top even angle are analyzed and these measures' advantages and disadvantages are discussed.
本文首先通过对各种上隅角瓦斯治理措施的分析，得出各种治理措施的优缺点。
参考来源 - 空气幕防治采煤工作面上隅角瓦斯积聚机理·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍23702工作面利用高位巷道抽放瓦斯解决上隅角瓦斯的一种方法。
It introduced one method of extracting the gas in 23702 working surfaces through elevated lanes to solve the gas problem in upper corners.
增加风速，可以使采空区内高浓度瓦斯向深部推移，从而降低工作面及上隅角瓦斯浓度。
By enhancing the wind speed, the higher concentration methane can move to deeper goaf, which can reduce the methane concentration in working face and top corner.
根据上隅角瓦斯积聚的机理，提出治理上隅角瓦斯积聚的新思路，设计新的瓦斯治理系统。
Based on the mechanism of accumulation of gas in upper corner, this paper advances a new way for design of a new system to deal with the gas which is accumulated in the upper corner.
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