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美国科罗拉多州 Dutch Creek1号矿井于1981年4月15日发生了瓦斯煤尘爆炸事故。事故造成15人死亡、6人受伤。伤亡人数占当班入井人员总数的95.5%。该矿投产于1956年,生产机械化程度较高,安全设施及装备也较完善。每天安排两个采煤班和一个维修班进行工作,每周工作5～6天,平均日产原煤450t。井下采煤使用连续采煤机,并安装有机载甲烷监测仪。当
A gas coal dust explosion occurred on April 15, 1981, at Dutch Creek Mine # 1 in Colorado. The accident killed 15 people and injured six others. Casualties accounted for 95.5% of the total number of people on duty during the shift. The mine put into operation in 1956, the production of a higher degree of mechanization, safety facilities and equipment are also more perfect. Two coal mining classes and a maintenance class are arranged daily for work, working for 5-6 days a week, with an average of 450 tons of raw coal per day. Downhole coal mining using continuous shearer, and installed on-board methane monitor. when