事故经过1990年6月24日上午,某化工厂焊工班在1号、2号、3号贮罐之间安装纵向走台。9点多钟,焊工王某将割枪借给外单位现场施工人员使用,20分钟后,割枪被还回。王某接枪后,顺手就近把割枪插入2号罐顶上的连接口内。中午11点30分下班时,工人李某去关氧气瓶和乙炔气瓶阀门,氧气瓶 Accident After the morning of June 24, 1990, a chemical plant welder in the No. 1, No. 2, No. 3 storage tanks installed vertically walked Taiwan. At nine o’clock, welder Wang loaned the torch to the outside construction site personnel to use it. After 20 minutes, the torch was returned. Wang took the gun, smoothly close the torch into the No. 2 tank top connector. At noon after 11:30, the workers go to the oxygen cylinder and acetylene cylinder valve Lee, oxygen bottles