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DEVICE FOR SETTING TARGET MOLTEN STEEL TEMPERATURE AT CONVERTER BLOWING COMPLETION, METHOD FOR SETTING TARGET MOLTEN STEEL TEMPERATURE AT CONVERTER BLOWING COMPLETION, CONVERTER BLOWING METHOD AND CONVERTER OPERATION METHOD
DEVICE FOR SETTING TARGET MOLTEN STEEL TEMPERATURE AT CONVERTER BLOWING COMPLETION, METHOD FOR SETTING TARGET MOLTEN STEEL TEMPERATURE AT CONVERTER BLOWING COMPLETION, CONVERTER BLOWING METHOD AND CONVERTER OPERATION METHOD
PROBLEM TO BE SOLVED: To provide a technology capable of setting a target molten steel temperature at converter blowing completion at high accuracy.;SOLUTION: There is provided a device for setting target molten steel temperature at converter blowing completion having a part 11 of setting molten steel temperature at casting initiation for setting a molten temperature at casting initiation, a tundish temperature distribution state calculation part 10 for estimating temperature distribution state in a thickness direction of a refractory layer of tundish 5, a part 13 of estimating a molten steel temperature in tundish for estimating molten steel temperature using the temperature distribution state or the like, a part 9 for setting molten steel temperature needed at casting initiation for setting molten steel temperature at arrive time of continuous casting facility when molten steel temperature difference between the molten steel temperature in the tundish and needed molten steel temperature in the tundish is in molten steel temperature difference allowable range, and a part 8 for setting target molten steel temperature at converter blowing completion for setting target molten steel temperature at converter blowing completion based on the molten steel temperature needed at casting initiation.;SELECTED DRAWING: Figure 2;COPYRIGHT: (C)2018,JPO&INPIT
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