EP4628599A4 - Process control method, blast furnace operation method, molten-iron manufacturing method, and process control device and program - Google Patents

Process control method, blast furnace operation method, molten-iron manufacturing method, and process control device and program

Info

Publication number
EP4628599A4
EP4628599A4 EP23924188.8A EP23924188A EP4628599A4 EP 4628599 A4 EP4628599 A4 EP 4628599A4 EP 23924188 A EP23924188 A EP 23924188A EP 4628599 A4 EP4628599 A4 EP 4628599A4
Authority
EP
European Patent Office
Prior art keywords
process control
program
well
blast furnace
molten iron
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23924188.8A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4628599A1 (en
Inventor
Genya Yamato
Yoshinari Hashimoto
Ryosuke Masuda
Takeru KIZU
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JFE Steel Corp
Original Assignee
JFE Steel Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4628599A1 publication Critical patent/EP4628599A1/en
Publication of EP4628599A4 publication Critical patent/EP4628599A4/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/001Injecting additional fuel or reducing agents
    • C21B5/003Injection of pulverulent coal
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/006Automatically controlling the process
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B5/00Making pig-iron in the blast furnace
    • C21B5/008Composition or distribution of the charge
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B7/00Blast furnaces
    • C21B7/24Test rods or other checking devices
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2300/00Process aspects
    • C21B2300/04Modeling of the process, e.g. for control purposes; CII

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Feedback Control In General (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
EP23924188.8A 2023-02-21 2023-11-21 Process control method, blast furnace operation method, molten-iron manufacturing method, and process control device and program Pending EP4628599A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2023025623 2023-02-21
PCT/JP2023/041872 WO2024176544A1 (ja) 2023-02-21 2023-11-21 プロセスの制御方法、高炉の操業方法、溶銑の製造方法、プロセスの制御装置及びプログラム

Publications (2)

Publication Number Publication Date
EP4628599A1 EP4628599A1 (en) 2025-10-08
EP4628599A4 true EP4628599A4 (en) 2026-03-04

Family

ID=92500816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23924188.8A Pending EP4628599A4 (en) 2023-02-21 2023-11-21 Process control method, blast furnace operation method, molten-iron manufacturing method, and process control device and program

Country Status (6)

Country Link
EP (1) EP4628599A4 (https=)
JP (1) JP7816497B2 (https=)
KR (1) KR20250116093A (https=)
CN (1) CN120603961A (https=)
TW (1) TWI892381B (https=)
WO (1) WO2024176544A1 (https=)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000129319A (ja) * 1998-10-23 2000-05-09 Kawasaki Steel Corp 高炉炉熱制御方法及び装置
JP2018024936A (ja) * 2016-08-02 2018-02-15 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置
JP2019019385A (ja) * 2017-07-19 2019-02-07 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置
JP2020029596A (ja) * 2018-08-23 2020-02-27 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02250911A (ja) * 1989-03-23 1990-10-08 Sumitomo Metal Ind Ltd 高炉の操業方法
JPH11335710A (ja) 1998-05-22 1999-12-07 Sumitomo Metal Ind Ltd 高炉炉熱予測方法
JP6531782B2 (ja) * 2016-08-02 2019-06-19 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置
KR102713538B1 (ko) * 2019-07-23 2024-10-04 제이에프이 스틸 가부시키가이샤 프로세스의 제어 방법, 조업 가이던스 방법, 고로의 조업 방법, 용선의 제조 방법 및 프로세스의 제어 장치
CN113832277B (zh) * 2020-06-23 2023-01-20 宝山钢铁股份有限公司 一种高炉出铁智能判定及自动开口控制方法
JP7272326B2 (ja) * 2020-07-06 2023-05-12 Jfeスチール株式会社 操業ガイダンス方法、高炉の操業方法、溶銑の製造方法、操業ガイダンス装置
US20230251036A1 (en) * 2020-07-06 2023-08-10 Jfe Steel Corporation Method for controlling hot metal temperature, operation guidance method, method for operating blast furnace, method for producing hot metal, device for controlling hot metal temperature, and operation guidance device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000129319A (ja) * 1998-10-23 2000-05-09 Kawasaki Steel Corp 高炉炉熱制御方法及び装置
JP2018024936A (ja) * 2016-08-02 2018-02-15 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置
JP2019019385A (ja) * 2017-07-19 2019-02-07 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置
JP2020029596A (ja) * 2018-08-23 2020-02-27 Jfeスチール株式会社 溶銑温度予測方法、溶銑温度予測装置、高炉の操業方法、操業ガイダンス装置、溶銑温度制御方法、及び溶銑温度制御装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024176544A1 *

Also Published As

Publication number Publication date
CN120603961A (zh) 2025-09-05
WO2024176544A1 (ja) 2024-08-29
JP7816497B2 (ja) 2026-02-18
TWI892381B (zh) 2025-08-01
TW202434743A (zh) 2024-09-01
EP4628599A1 (en) 2025-10-08
KR20250116093A (ko) 2025-07-31
JPWO2024176544A1 (https=) 2024-08-29

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