COLD IRON SOURCE MELTING RATIO ESTIMATION DEVICE, CONVERTER-TYPE REFINING FURNACE CONTROL DEVICE, COLD IRON SOURCE MELTING RATIO ESTIMATION METHOD, AND MOLTEN IRON REFINING TREATMENT METHOD
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United States of America
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Issued Date -
Mar 6, 2025
app pub date -
Jun 14, 2022
filing date -
Jun 14, 2022
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Abstract
A cold iron source melting ratio estimation device that estimates a melting ratio of a cold iron source charged into a converter-type refining furnace during refining of molten iron in the converter-type refining furnace. The device includes: an input section to which measured values of in-furnace information or estimated values of the in-furnace information is input, the in-furnace information including a molten iron temperature and a carbon concentration in the molten iron during refining; a database section that stores a model equation and parameters related to a refining reaction of the molten iron in the converter-type refining furnace; a computation section that computes the melting ratio of the cold iron source using the measured values or the estimated values input to the input section; and an output section that displays the melting ratio of the cold iron source computed by the computation section.
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