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易燃突出煤层工作面重氮防灭火技术

Xiyuan LI,Chenglin XU,Guangjin LIU

Safety in Coal Mines（2015）

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Abstract
首山矿开采易燃突出煤层,工作面风量大,采空区浮煤易自燃,为了防止氮气注入采空区后漏失严重,采用向采空区注重氮防火技术,取得了好的防火效果.介绍了实验室对重氮配比、流速和降氧效果的试验方法和结果,介绍了首山煤矿重氮防灭火系统的组成和工作面注重氮的方法、参数,分析了采空区注重氮后的降氧、降温和抑制浮煤自然发火的效果.
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