JP7832580B2 - 高炉の操業方法 - Google Patents
高炉の操業方法Info
- Publication number
- JP7832580B2 JP7832580B2 JP2025537128A JP2025537128A JP7832580B2 JP 7832580 B2 JP7832580 B2 JP 7832580B2 JP 2025537128 A JP2025537128 A JP 2025537128A JP 2025537128 A JP2025537128 A JP 2025537128A JP 7832580 B2 JP7832580 B2 JP 7832580B2
- Authority
- JP
- Japan
- Prior art keywords
- blast furnace
- gas
- hydrogen
- ratio
- total pressure
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B5/00—Making pig-iron in the blast furnace
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Iron (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024035001 | 2024-03-07 | ||
| JP2024035001 | 2024-03-07 | ||
| PCT/JP2025/006877 WO2025187531A1 (ja) | 2024-03-07 | 2025-02-27 | 高炉の操業方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2025187531A1 JPWO2025187531A1 (https=) | 2025-09-12 |
| JP7832580B2 true JP7832580B2 (ja) | 2026-03-18 |
Family
ID=96990636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025537128A Active JP7832580B2 (ja) | 2024-03-07 | 2025-02-27 | 高炉の操業方法 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7832580B2 (https=) |
| TW (1) | TW202542316A (https=) |
| WO (1) | WO2025187531A1 (https=) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006265669A (ja) | 2005-03-25 | 2006-10-05 | Jfe Steel Kk | 高炉操業方法 |
| JP6358202B2 (ja) | 2015-09-04 | 2018-07-18 | 京セラドキュメントソリューションズ株式会社 | 定着装置及び画像形成装置 |
| JP2023177114A (ja) | 2022-06-01 | 2023-12-13 | 日本製鉄株式会社 | 高炉の操業方法 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA802257B (en) * | 1979-04-24 | 1982-02-24 | Foster Wheeler Ltd | Production of reducing gas for furnace injection |
| JP2022048698A (ja) * | 2020-09-15 | 2022-03-28 | 日本製鉄株式会社 | 高炉の制御装置、高炉の操業方法、及びプログラム |
-
2025
- 2025-02-27 WO PCT/JP2025/006877 patent/WO2025187531A1/ja active Pending
- 2025-02-27 JP JP2025537128A patent/JP7832580B2/ja active Active
- 2025-02-27 TW TW114107405A patent/TW202542316A/zh unknown
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006265669A (ja) | 2005-03-25 | 2006-10-05 | Jfe Steel Kk | 高炉操業方法 |
| JP6358202B2 (ja) | 2015-09-04 | 2018-07-18 | 京セラドキュメントソリューションズ株式会社 | 定着装置及び画像形成装置 |
| JP2023177114A (ja) | 2022-06-01 | 2023-12-13 | 日本製鉄株式会社 | 高炉の操業方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2025187531A1 (ja) | 2025-09-12 |
| JPWO2025187531A1 (https=) | 2025-09-12 |
| WO2025187531A8 (ja) | 2025-10-02 |
| TW202542316A (zh) | 2025-11-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2886666B1 (en) | Method for operating a top gas recycling blast furnace installation | |
| US9328395B2 (en) | Method and apparatus for producing direct reduced iron utilizing a source of reducing gas comprising hydrogen and carbon monoxide | |
| TW202548033A (zh) | 用於操作包含直接還原反應器的設備之方法 | |
| JP7297091B2 (ja) | 高炉の操業方法 | |
| CN105408500A (zh) | 使用天然气将氧化铁还原为金属铁 | |
| US20170058373A1 (en) | Methods and systems for increasing the carbon content of sponge iron in a reduction furnace | |
| JP2009221547A (ja) | 高炉操業方法 | |
| AU2022294428B2 (en) | Method for operating shaft furnace and method for producing reduced iron | |
| US8771638B2 (en) | Method and apparatus for sequestering carbon dioxide from a spent gas | |
| JP7055082B2 (ja) | 高炉の操業方法 | |
| JP7787405B2 (ja) | 高炉の操業方法 | |
| JP7832580B2 (ja) | 高炉の操業方法 | |
| JP7662417B2 (ja) | 高炉の操業方法 | |
| JP7817658B2 (ja) | 高炉の操業方法 | |
| JP7552881B2 (ja) | 高炉の操業方法 | |
| JP7791433B2 (ja) | 高炉の操業方法 | |
| JP7709109B1 (ja) | 高炉の操業方法 | |
| JP2025133638A (ja) | 高炉の操業方法 | |
| JP2025100456A (ja) | 高炉の操業方法 | |
| JP2025148977A (ja) | 高炉の操業方法 | |
| JP7605375B2 (ja) | 還元鉄の製造方法 | |
| TWI906913B (zh) | 高爐的作業方法 | |
| WO2025158975A1 (ja) | 還元炉の操業方法および還元鉄の製造方法 | |
| KR20190074807A (ko) | 용선 제조장치 및 용선 제조방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20250623 |
|
| A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20250623 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20251007 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20251205 |
|
| TRDD | Decision of grant or rejection written | ||
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20260203 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20260216 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 7832580 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |