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1993年8月某化肥厂停产进行年度检修,前道工序(压缩机)检修完毕而后道工序变化塔(丙碳吸收塔)尚在检修,因联络指挥失误,前道工序压缩机投入运行使大量CO经管道进入变换塔内,导致3人急性中毒。事故发生后,在塔内已灌入氧气后测定CO浓度仍为300mg/m~3。3名中毒者中有2名经抢救无效而死亡,1名中毒者呈重度意识障碍(中度昏迷),HbCO<50％,诊断为急性中度CO中毒。该患者经积极治疗住院33天痊愈出院。
In August 1993, a fertilizer plant was discontinued for annual maintenance. The first process (compressor) overhaul was completed and the subsequent process change tower (CABT) was undergoing overhaul. Due to the mistakes in contact and command, the compressors in the previous process were put into operation, CO into the transformation tower through the pipeline, resulting in 3 acute poisoning. After the accident, the concentration of CO was still 300mg / m after the oxygen had been injected into the tower. Two of the 3.3 poisoned persons died after being rescued. One poisoning person had severe disturbance of consciousness (moderate coma) , HbCO <50%, diagnosed as acute moderate CO poisoning. The patient was admitted to hospital for 33 days and was discharged.