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US 2023/0151448 A1Published application
Method for detecting fluctuation of solidified layer and method for operating blast furnace
AssigneeJfe Steel Corporation
InventorsKazuhira ICHIKAWA, Takeshi SATO, Tetsuya YAMAMOTO, Tomohiko ITO
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Abstract
A method for detecting a fluctuation of a solidified layer, and a method for operating a blast furnace by employing the relevant method. In the method for detecting a fluctuation of a solidified layer, the fluctuation of the solidified layer in the lower part of a blast furnace is detected by using the amount of heat supplied to pig iron in the lower part of the blast furnace and the amount of heat in the pig iron tapped in a predetermined period.
Claims8
A method for detecting a fluctuation of a solidified layer, the method comprising:
- detecting a fluctuation of a solidified layer in a lower part of a blast furnace using an amount of heat supplied to pig iron in the lower part of the blast furnace and an amount of heat in the pig iron tapped in a predetermined period.
Dependencies are inferred from the claim text.