Method for stable operating after repairing interior wall of furnace

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PURPOSE : A method for stabilizing an operating rate in repairing a wall of a blast furnace is provided to recover the operating rate by improving ventilation properties during the re-ventilation. CONSTITUTION : A method for stabilizing an operating rate in repairing a wall of a blast furnace(100) is as follows. The materials(110) charged in a furnace is reduced to a specific level to repair the wall of the blast furnace. The dry charging is performed by the level data of the dry charging among the level up quantified according to a down level(A) after repairing the wall. COPYRIGHT KIPO 2012