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1基本情况2010年7月22日上午8时45分,位于贵州黔西南某化工有限公司合成氨装置变换工段1#变换系统副线(管线号为:PG-04407a)的工艺管道因气体泄漏发生燃爆事故,当场造成5人死亡、6人受伤,同时导致部分设备和管线受损。2调查情况2.1事故经过2010年7月19日,该公司的变换工段1#变换系统PG-04407a冷激副线工艺管道发生泄漏,经检修,已用螺栓临时成功堵漏,并在泄漏部位作了预备加强夹套。2010年7月21日晚,变换工段1#变换系统当班工
1 Basic situation At 8:45 am on July 22, 2010, the process pipeline in the auxiliary line of No. 1 conversion system (line number: PG-04407a) in the conversion section of an ammonia plant of a certain chemical plant in Guizhou Qianxinan was burned due to gas leakage Explosion accident, killing 5 people on the spot and 6 injured, while leading to some equipment and pipeline damage. 2 Investigation 2.1 Accident After July 19, 2010, the company’s transformation section 1 # Transformation System PG-04407a cold-shock secondary line pipeline leaks, after the repair, has been temporarily plugged with a bolt temporarily, and in the leak site Prepared to strengthen the jacket. July 21, 2010 evening, transformation section 1 # shift system shift workers