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 programInfo
- 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
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
- C21B5/00—Making pig-iron in the blast furnace
- C21B5/008—Composition or distribution of the charge
-
- 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
- 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)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
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)
| 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)
| 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 |
-
2023
- 2023-11-21 KR KR1020257021593A patent/KR20250116093A/ko active Pending
- 2023-11-21 JP JP2024514456A patent/JP7816497B2/ja active Active
- 2023-11-21 EP EP23924188.8A patent/EP4628599A4/en active Pending
- 2023-11-21 CN CN202380092881.1A patent/CN120603961A/zh active Pending
- 2023-11-21 WO PCT/JP2023/041872 patent/WO2024176544A1/ja not_active Ceased
- 2023-12-25 TW TW112150494A patent/TWI892381B/zh active
Patent Citations (4)
| 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)
| 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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Legal Events
| Date | Code | Title | Description |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20250701 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| A4 | Supplementary search report drawn up and despatched |
Effective date: 20260130 |
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| RIC1 | Information provided on ipc code assigned before grant |
Ipc: C21B 5/00 20060101AFI20260126BHEP Ipc: C21B 7/24 20060101ALI20260126BHEP |