CONVERTER BLOWING CONTROL METHOD AND CONVERTER BLOWING CONTROL SYSTEM
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United States of America Patent
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Issued Date -
Aug 3, 2023
app pub date -
Apr 30, 2021
filing date -
Jul 1, 2020
priority date (Note) -
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Abstract
A converter blowing control method includes: calculating, by heat balance calculation and material balance calculation, an amount of oxygen to be supplied and an amount of a cooling material or a rising heat material to be charged for controlling a temperature and a component concentration of molten steel at end of blowing in a converter to target values; and controlling the blowing in the converter based on the calculated amount of oxygen to be supplied and the calculated amount of a cooling material or a rising heat material to be charged. A temperature of molten iron is used as a raw material for blowing, which is a target of the heat balance calculation, is used as a charged molten iron temperature used in the heat balance calculation, the temperature of molten iron being measured during a period when the molten iron is charged into the converter.
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