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本文对255M~3类型高炉的大修技术改造方案,提出加强精料工作、扩大炉容积到330M~3和选择热风炉型式等方面的设想,可供国内此类高炉大修改造的参考。
In this paper, the plan of overhaul for 255M ~ 3 blast furnace is put forward. It is envisaged to strengthen the work of concentrate, enlarge the capacity of furnace to 330M ~ 3 and select the type of hot blast furnace.