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探放老空水應注意什么?

作者:煤礦安全網 2012-08-03 17:09 來源:煤礦安全網

   探放老空水應注意什么? 答:探放老空水前,首先要分析查明老空水體的空間位置,可能的積水量和水壓。探放水鉆孔應成組布設,并在平面上呈扇形。鉆孔必須打中老空水體,并要監視放水全過程,核對放水量,直到老空積水放完為止。鉆孔接近老空,預計可能有瓦斯或其它有害氣體涌出且超過有關規定時,必須立即停鉆,切斷電源,撤出人員,并報告礦調度室,采取措施,進行處理。

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