上海重型机器厂煤气站8月23日发生了一起煤气大量外溢事故。 这个厂煤气站有三台煤气排送机。发生事故的当天,2号机停机备用,3号机停机保养,机盖打开。一号机在运行中,输出总管煤气压力高达176毫米汞柱,高于排送机的极限操作压力(150毫米汞柱),加以煤气用户负荷突然变化,二水车 Shanghai Heavy Machinery Plant gas station on August 23 with a large gas spill accident. The factory gas station has three gas discharge machine. On the day of the accident, the No. 2 machine was stopped, the No. 3 machine was shut down for maintenance, and the cover was opened. Unit 1 in operation, the output manifold gas pressure as high as 176 mm Hg, higher than the ultimate operating pressure of the conveyor (150 mm Hg), to be a sudden change in gas user load, two water vehicles