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2009年8月5日上午8:45分左右,内蒙古某市的一个制药厂院内正在卸液氨的汽车罐车发生了液相连接软管爆裂引起液氨泄露的事故。现将事故发生过程和事故分析综述如下:1事故发生过程概述2009年8月5日上午8:45分,一辆正在制药厂院内卸车的液氨汽车罐车的连接软管发生了爆裂,大量的液氨从爆裂开口处连续喷出,方向指向空中且偏向罐车操作箱,迅速汽化扩散的液氨在汽车罐车操作箱及周边形成浓烈的烟雾致使人员无法靠近关闭阀门。约10min后操作人员找来氧气面罩和防护服,开启了紧急切断系统中的油压紧急泄压阀,但紧急切断阀仍无法关闭。之后先后有2名操作人员试图接近操作箱关闭液相球阀,都被喷出的液氢严重低温冻伤,关闭阀门未果。9:03分接到报警救援的消防人员
August 8, 2009 8:45 am or so, a pharmaceutical factory in a city in Inner Mongolia is unloading liquid ammonia car tank occurred in the liquid-phase connection hose burst caused by liquid ammonia leak accident. Now the accident process and an analysis of the accident are summarized as follows: An overview of the accident occurred at 8:45 on August 5, 2009, a pharmaceutical plant dumper unloading liquid ammonia car tank car hose burst burst occurred, a large number of Liquid ammonia is continuously sprayed out from the burst opening, pointing in the air in the direction of the air and biased to the tanker operation box, rapidly vaporizing the diffused liquid ammonia to form a thick smoke in the operation tank of the automobile tanker so that people can not close the valve. About 10 minutes after the operator came to oxygen mask and protective clothing, opened the emergency cut-off system in the hydraulic emergency relief valve, but the emergency shut-off valve still can not be closed. After that, there are two operators trying to close the operation box close liquid ball valve, have been sprayed severe liquid cryogenic frostbite, the closure of the valve failed. 9:03 assigned to the rescue firefighters