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(一) 1997年10月4日凌晨,杭城北郊,阴雨蒙蒙。 东方渐渐肚白,杭州祥符水厂的工人们已开始忙碌,以迎接新的一天供水高峰的到来。 时针指向5时50分,该厂加氯车间突然传出“嘭’的一声巨响。顿时,整个车间充满了刺鼻的异味。 “不好,氯气泄漏了,快关阀门!”当班职工林慧娟、赵群等人迅速冲向车间,但呛人的氯气已使她们根本无法接近阀门…… 祥符水厂,地处杭城北大门祥符镇,担负着城北地区近30万人口的供水重任。它的东侧,是川流不息的104国道,四周密布着几十家企业,大片居民住宅。加氯车间液氯蒸发器出液管爆裂后,高压液氯通过3寸多长的裂缝一个劲地往外喷射。转眼间,车间四周就形成了1米多高的黄绿色气雾。在3—4级西北风的作用下,黄色毒雾向东、南两个方向扩散,所到之处,花草树木马上开始枯萎。
(A) early morning of October 4, 1997, the northern suburbs of Hangzhou, overcast and rainy. The East is gradually white, workers in Hangzhou Xiangfu water plant has begun to busy, to meet the arrival of the new day peak water supply. The hour hand points to 5:50, the plant chlorination plant suddenly heard a loud noise. “Suddenly, the entire workshop is full of pungent odor.” Not good, chlorine leak, and close the valve! "Staff on duty Lin Huijuan , Zhao Qun et al quickly rushed to the workshop, but choking chlorine has made them simply can not access the valve ... ... Xiang Fu waterworks, is located in the northern gate of Hangzhou City Xiangfu town, responsible for nearly 300,000 population in northern Hebei water supply task East of it is a steady stream of 104 National Road, surrounded by dozens of businesses, large residential buildings.Chlorination plant liquid chlorine evaporator tube burst after the high-pressure liquid chlorine through 3 inches long crack one after another In the blink of an eye, around the workshop formed a 1 meter high yellow-green aerosol .In 3-4 grade northwest wind under the action of the yellow poison fog east and south two directions of diffusion, wherever he goes, flowers The trees begin to wither immediately.