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某厂1号锅炉型号为DG-220/100-1型,为单室开式液态排渣锅炉,系东方锅炉厂1969年产品。1975年1月投产。 1985年5月15日,发生炉底水冷壁管大面积爆破事故(后称“5.15事故”)。至此,锅炉累积运行47925 h,其间经过4次大修(按计划1985年6月进行第5次大修)。
A boiler No. 1 plant Model DG-220 / 100-1, a single room open liquid slag boiler, the Department of the East Boiler 1969 products. January 1975 put into operation. May 15, 1985, the occurrence of large-scale blast furnace water bottom wall blasting accident (hereinafter referred to as “5.15 accident”). At this point, the boiler ran 47925 hours cumulatively, with four major overhauls (5th overhaul scheduled June 1985).