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2013年6月30日,惠山区某造纸企业PM1生产线消音池泵坑内突发5名操作工中毒,截至当日24时,中毒共5人,2人昏迷、3人呼吸困难。我中心接到报告后遂即展开调查。1事故调查事发于某造纸企业,化学制浆、清浆工序可产生硫化氢,浆料池及输送管路、污水系统可致硫化氢蓄积。本次事故硫化氢来自废料排放后在污水管道内蓄积。事发地为PM1真空泵消音池泵坑,深约2 m,底部面积约6 m2,主要为造纸机管道,需定期检修。泵坑半封闭,容积小,通风差,未设置防护设施,无机械通风及急救设备,易造成急性中毒。
June 30, 2013, Huishan District, PM1 PM1 production line muffler tank pit burst five operators poisoning, as at 24:00 on the same day, a total of 5 people were poisoned, 2 coma, 3 breathing difficulties. After receiving the report, I started the investigation. Accident investigation Incident occurred in a papermaking enterprise, chemical pulping, cleaning process can produce hydrogen sulfide, slurry pool and pipeline, the sewage system can cause hydrogen sulfide accumulation. The accident hydrogen sulfide from the waste discharge after the accumulation in the sewage pipe. Incident occurred PM1 vacuum pump silencer pool pump pit, about 2 m deep, the bottom area of about 6 m2, mainly for the paper machine pipeline, to be regularly overhaul. Pump pit semi-closed, small volume, poor ventilation, no protective facilities, no mechanical ventilation and emergency equipment, can easily lead to acute poisoning.