Title:
METHOD FOR CONTROLLING PROCESS, METHOD FOR OPERATING BLAST FURNACE, METHOD FOR MANUFACTURING MOLTEN METAL, AND DEVICE FOR CONTROLLING PROCESS
Document Type and Number:
WIPO Patent Application WO/2024/048310
Kind Code:
A1
Abstract:
Provided are a method for controlling a process, a method for operating a blast furnace, a method for manufacturing molten metal, and a device for controlling a process that make it possible to highly accurately predict, and control, the state of a blast furnace. In this method for controlling a process: the pig iron production speed, the gas permeability, and the hot metal temperature of a blast furnace are acquired by means of observed values or calculated values; and the pig iron production speed, the gas permeability, and the hot metal temperature are simultaneously controlled on the basis of the acquired observed values or calculated values, as well as a target value for the hot metal temperature (target hot metal temperature), a target value for the pig iron production speed (target pig iron production speed), and a management value for the gas permeability (furnace interior pressure loss upper limit).
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Inventors:
HASHIMOTO YOSHINARI (JP)
MASUDA RYOSUKE (JP)
MASUDA RYOSUKE (JP)
Application Number:
PCT/JP2023/029754
Publication Date:
March 07, 2024
Filing Date:
August 17, 2023
Export Citation:
Assignee:
JFE STEEL CORP (JP)
International Classes:
C21B5/00
Domestic Patent References:
| WO2022009621A1 | 2022-01-13 | |||
| WO2021085221A1 | 2021-05-06 |
Attorney, Agent or Firm:
SUGIMURA Kenji (JP)
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