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科技导报  2014 

SF6连续恒量释放法在矿井巷道漏风检测中的应用

DOI: 10.3981/j.issn.1000-7857.2014.15.008, PP. 58-61

Keywords: 示踪技术,SF6示踪气体,连续恒量释放,漏风量

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Abstract:

在矿井通风网络有较大漏风时,将形成结构复杂的通风网络,使采取通风系统的稳定性、可靠性受到一定程度的影响,若漏风通道连通火区,则可能带来极为严重的后果。运用SF6连续恒量释放法,对北祖矿9211风巷漏风情况进行测定,定性判断出有风流漏入9211风巷。通过确定最短采样距离、采样时间及SF6释放量等漏风测定参数,定量计算了漏入风量及漏风率的大小,结合SF6气体浓度的变化,确定9211风巷巷道内有两处漏风区域,进而为采取针对性的防治矿井漏风措施提供判断依据,同时为该矿火灾防治提供技术支持。

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