ESTIMATION METHOD OF DEPOSITIONAL SHAPE OF CHARGED MATERIAL INSIDE BLAST FURNACE AND REPLACEMENT METHOD OF COKE INSIDE BLAST FURNACE
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United States of America
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Issued Date -
Mar 20, 2025
app pub date -
Jul 6, 2022
filing date -
Jul 6, 2022
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Abstract
An estimation method of the depositional shape of a charged material inside a blast furnace formed after coke inside the blast furnace is consumed by using a burner when the blast furnace is caused to start up. The estimation method includes estimating the depositional shape of a charged material inside a blast furnace in a blowing down with lowering stock level, estimating a charged region of coke inside the blast furnace from the estimated depositional shape of the charged material inside the blast furnace and from the shape of a solidified layer on a bottom part inside the blast furnace, estimating an amount of coke inside the blast furnace that is consumed by using the burner, and estimating, from the estimated amount of the coke inside the blast furnace, the depositional shape of a charged material inside the blast furnace formed after consumption of the coke inside the blast furnace.
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