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本文从理论上分析了矿井发火区封闭后，封闭区发生瓦斯爆炸的原因及影响因素，研究了封闭区瓦斯爆炸各影响因素的变化规律。提出了一些封闭工作面时的防爆措施。
In this paper, the causes and influencing factors of gas explosion in the closed area after the closed area is closed are theoretically analyzed, and the changing rules of various influencing factors of gas explosion in the closed area are studied. Proposed some of the explosion-proof measures when working face closed.