EP4549594A4 - PROCESS CONTROL METHOD, BLAST FURNACE OPERATING METHOD, PROCESS FOR PRODUCING CAST IRON AND PROCESS CONTROL APPARATUS - Google Patents

PROCESS CONTROL METHOD, BLAST FURNACE OPERATING METHOD, PROCESS FOR PRODUCING CAST IRON AND PROCESS CONTROL APPARATUS

Info

Publication number
EP4549594A4
EP4549594A4 EP23859982.3A EP23859982A EP4549594A4 EP 4549594 A4 EP4549594 A4 EP 4549594A4 EP 23859982 A EP23859982 A EP 23859982A EP 4549594 A4 EP4549594 A4 EP 4549594A4
Authority
EP
European Patent Office
Prior art keywords
process control
blast furnace
pig iron
control device
molten pig
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
EP23859982.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4549594A1 (en
Inventor
Yoshinari Hashimoto
Ryosuke Masuda
Genya Yamato
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 EP4549594A1 publication Critical patent/EP4549594A1/en
Publication of EP4549594A4 publication Critical patent/EP4549594A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/003—Injection of pulverulent coal
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/006—Automatically controlling the process
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B7/00—Blast furnaces
    • C21B7/24—Test rods or other checking devices
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B2005/005—Selection or treatment of the reducing gases
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2300/00—Process aspects
    • C21B2300/04—Modeling 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)
EP23859982.3A 2022-08-31 2023-08-07 PROCESS CONTROL METHOD, BLAST FURNACE OPERATING METHOD, PROCESS FOR PRODUCING CAST IRON AND PROCESS CONTROL APPARATUS Pending EP4549594A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022138752 2022-08-31
PCT/JP2023/028830 WO2024048214A1 (ja) 2022-08-31 2023-08-07 プロセスの制御方法、高炉の操業方法、溶銑の製造方法及びプロセスの制御装置

Publications (2)

Publication Number Publication Date
EP4549594A1 EP4549594A1 (en) 2025-05-07
EP4549594A4 true EP4549594A4 (en) 2025-12-17

Family

ID=90099303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23859982.3A Pending EP4549594A4 (en) 2022-08-31 2023-08-07 PROCESS CONTROL METHOD, BLAST FURNACE OPERATING METHOD, PROCESS FOR PRODUCING CAST IRON AND PROCESS CONTROL APPARATUS

Country Status (5)

Country Link
EP (1) EP4549594A4 (https=)
JP (1) JP7687439B2 (https=)
KR (1) KR20250041034A (https=)
CN (1) CN119731342A (https=)
WO (1) WO2024048214A1 (https=)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06172825A (ja) * 1992-12-07 1994-06-21 Nippon Steel Corp 高炉操業方法
JPH11335710A (ja) 1998-05-22 1999-12-07 Sumitomo Metal Ind Ltd 高炉炉熱予測方法
JP2000129319A (ja) * 1998-10-23 2000-05-09 Kawasaki Steel Corp 高炉炉熱制御方法及び装置
JP4598256B2 (ja) * 2000-11-06 2010-12-15 新日本製鐵株式会社 高炉操業方法
JP2012087375A (ja) * 2010-10-20 2012-05-10 Jfe Steel Corp 高炉操業方法
JP6258039B2 (ja) * 2014-01-07 2018-01-10 新日鐵住金株式会社 高炉の操業方法
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 WO2024048214A1 *

Also Published As

Publication number Publication date
KR20250041034A (ko) 2025-03-25
JPWO2024048214A1 (https=) 2024-03-07
EP4549594A1 (en) 2025-05-07
JP7687439B2 (ja) 2025-06-03
WO2024048214A1 (ja) 2024-03-07
CN119731342A (zh) 2025-03-28

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