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feng liang diao jie dui shang yu jiao wa si nong du de ying xiang fen xi
Author(s): 
Pages: 17-18
Year: Issue:  8
Journal: Safety

Keyword:  上隅角瓦斯风量浓度;
Abstract: 文章在总结了上隅角瓦斯治理技术的基础上,针对某矿庚20-21060回采工作面生产实际,提出采用调节风量法来实现对工作面上隅角瓦斯的治理,并对工作面风量进行多次试验调节,最终得出了庚20-21060回采工作面最佳配风量为1523m3/min,同时得出工作面风量大小与上隅角瓦斯浓度变化的变化关系,即:风量在一定范围内的增加能够降低上隅角瓦斯浓度,但是持续的风量增加有可能造成采空区漏风量增加,导致上隅角和回风流瓦斯浓度的增加。
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