SUPPLY HEAT AMOUNT ESTIMATING METHOD, SUPPLY HEAT AMOUNT ESTIMATING DEVICE, AND BLAST FURNACE OPERATING METHOD
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United States of America Patent
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Issued Date -
Aug 15, 2024
app pub date -
Nov 17, 2021
filing date -
Feb 5, 2021
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Abstract
A supply heat amount estimating method for estimating an amount of heat supplied to pig iron in a blast furnace from an amount of heat supplied into the blast furnace and a rate of production of molten pig iron in the blast furnace, the supply heat amount estimating method includes: estimating a change in carried-out sensible heat by an in-furnace passing gas and a change in carried-in sensible heat supplied by a raw material preheated by the in-furnace passing gas and estimating the amount of heat supplied to the pig iron in the blast furnace in consideration of the estimated changes in the carried-out sensible heat and the carried-in sensible heat.
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