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事故经过某单位一台型号为WNS5——1.25-Y型湿背式蒸汽锅炉,在运行到第三年时,由于在锅炉内结生了较厚的水垢,请某酸洗公司进行了酸洗。酸洗后由于该单位的生产任务比较紧迫,在未请检验检测机构人员进行检验的情况下,就私自将锅炉投入了运行,结果在运行3天时发现烟囱冒白烟、烟箱向外漏水、锅炉压力突然下降,决定立即停炉。
Accident after passing a unit of a model WNS5--1.25-Y wet back steam boiler, run to the third year, due to the thick knot in the boiler scale, please pickling company pickling . Pickling the production of the unit as a result of more urgent task in the inspection agency did not request the inspection staff to put the boiler into operation, the results found in the operation of 3 days to take white smoke chimney, smoke box outward leakage, Boiler pressure suddenly dropped, decided to shut down immediately.