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一、概况南钢现有三座255m~3高炉,生产指标长期落后。1985年炼铁生产扭转了多年徘徊不前的局面,全年产铁33.55万吨,较1984年增长20.68%,利用系数1.498,较1984年提高0.175;入炉焦比58ekg/t(综合焦比598kg/t),较1984年降低78kg/t,均创本厂历史最好水平。1985年仅节焦增铁一项就为本厂多创利润854万元。1986年一季度利用系数又提高到1.628,入炉焦比降到569kg/t,其中三月份系数达到1.714,入炉焦比556.4kg/t。
I. Overview Nanning has three 255m ~ 3 blast furnaces with long-term production targets. Ironmaking production in 1985 reversed years of stagnant situation. The annual output of iron was 335,500 tons, an increase of 20.68% over 1984, with a utilization factor of 1.498, an increase of 0.175 over 1984; into the furnace coke ratio of 58ekg / t (coke ratio 598kg / t), 78kg / t lower than that in 1984, all of which are the best in our factory’s history. In 1985, only a section of Jiaozeng iron a factory to create more profit 8.54 million yuan. In 1986 the first quarter utilization factor was increased to 1.628, into the furnace coke ratio dropped to 569kg / t, of which in March coefficient reached 1.714, into the furnace coke ratio of 556.4kg / t.