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根据冶金部安全主管部门的指示,由冶金部安全技术情报网组织十个单位的十一名工人、干部、技术人员参加的“三结合”调查组,于1977年6、7月份对11个黑色冶金烧结厂的防尘情况进行了调查。这次调查的11个单位,共有烧结机44台、竖炉球团1台、带式球团2台。其中大型烧结机(75米~2以上)15台中型烧结机(36～62.5米~2)11台、小型烧结机(36米~2以下)18台。这44台烧结设备中,1960年以前设计投产的15台,基本上无除尘设施;1960～1970
According to instructions from the Ministry of Metallurgical Safety Administration, a “three-in-one” investigation team involving 11 workers, cadres and technical personnel from 10 units of the Ministry of Metallurgical Safety Technology Intelligence Network participated in a survey of 11 blacks in June and July of 1977 Metallurgical sintering plant dust conditions were investigated. The 11 units of the survey, a total of 44 sintering machine, shaft furnace pellets 1, 2 sets of belt pellets. Including large sintering machine (75 meters ~ 2 above) 15 sets of medium-sized sintering machine (36 ~ 62.5 m ~ 2) 11, small sintering machine (36 m ~ 2 below) 18. Of the 44 sintering plants, 15 were designed and put into operation before 1960, basically without dust removal facilities; from 1960 to 1970