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cong yi ci zhuo huo shi gu kan an quan sheng chan fang mian cun zai de ruo dian
Author(s): 
Pages: 47-9
Year: Issue:  6
Journal: Safety in Coal Mines

Keyword:  着火事故安全生产事故过程瓦斯浓度回风巷风筒风量CO 2洒水降尘CH 4;
Abstract: <正> 1991年5月17日我矿出了一起人为的着火事故。下面就事故过程谈谈我个人从事故中所看到的安全生产方面存在着某些弱点。1、事故过程我矿在-320水平 B8做回风巷时,采用一台28kW 局扇,Φ500mm 的风筒。当掘至110m 时,风筒口距放炮迎头5.1m,迎头风量146m3/min。5月17日中班,我检查了迎头的瓦斯浓度为:CH4 0.26%、CO2 0.1%。16点10分打眼准备放炮,我
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