4月 2 1日凌晨零时 40分左右 ,陕西省韩城矿务局下峪口煤矿多种经营公司二号井位上一私人承包的无证非法小矿井发生特大瓦斯爆炸事故 ,正在井下作业的 5 2名矿工 ,仅 4人生还 ,48人死亡。陕西省渭北煤炭富集带上的韩城、彬长、焦坪等矿区属高瓦斯矿区。为防止类似的事故再次发 On April 21 at around 0:40 am, a gas explosion of a privately-contracted undocumented illegal small mine on the No.2 well site of the Meiyukou Coal Mine under the Hancheng Mining Administration in Shaanxi Province was under operation in the underground Of the 52 miners, only 4 survived and 48 died. Hancheng, Binchang, Jiao Ping and other mining areas on the Weibei coal-rich belt in Shaanxi Province belong to the high-gas mining area. To prevent similar accidents again