JPWO2025158891A1 - - Google Patents
Info
- Publication number
- JPWO2025158891A1 JPWO2025158891A1 JP2025536415A JP2025536415A JPWO2025158891A1 JP WO2025158891 A1 JPWO2025158891 A1 JP WO2025158891A1 JP 2025536415 A JP2025536415 A JP 2025536415A JP 2025536415 A JP2025536415 A JP 2025536415A JP WO2025158891 A1 JPWO2025158891 A1 JP WO2025158891A1
- Authority
- JP
- Japan
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B11/00—Making pig-iron other than in blast furnaces
- C21B11/02—Making pig-iron other than in blast furnaces in low shaft furnaces or shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/02—Making spongy iron or liquid steel, by direct processes in shaft furnaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B5/00—General methods of reducing to metals
- C22B5/02—Dry methods smelting of sulfides or formation of mattes
- C22B5/12—Dry methods smelting of sulfides or formation of mattes by gases
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Manufacture Of Iron (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024008408 | 2024-01-24 | ||
| JP2024008408 | 2024-01-24 | ||
| PCT/JP2025/000175 WO2025158891A1 (ja) | 2024-01-24 | 2025-01-07 | 直接還元炉の操業方法および還元鉄の製造方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JPWO2025158891A1 true JPWO2025158891A1 (https=) | 2025-07-31 |
| JP7736229B1 JP7736229B1 (ja) | 2025-09-09 |
| JPWO2025158891A5 JPWO2025158891A5 (https=) | 2025-12-23 |
Family
ID=96544802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025536415A Active JP7736229B1 (ja) | 2024-01-24 | 2025-01-07 | 直接還元炉の操業方法および還元鉄の製造方法 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7736229B1 (https=) |
| WO (1) | WO2025158891A1 (https=) |
Family Cites Families (4)
| 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 |
| BR112023026020A2 (pt) * | 2021-06-15 | 2024-02-27 | Jfe Steel Corp | Método para operar forno de cuba e método para produzir ferro reduzido |
| CN115852078B (zh) * | 2022-12-09 | 2024-11-22 | 射日能源贸易有限公司 | 一种用氢还原铁的矿热炉设备和方法 |
| CN117128773A (zh) * | 2023-08-24 | 2023-11-28 | 辽宁科技大学 | 一种基于导流板式气基竖炉的还原铁精矿粉的系统和方法 |
-
2025
- 2025-01-07 JP JP2025536415A patent/JP7736229B1/ja active Active
- 2025-01-07 WO PCT/JP2025/000175 patent/WO2025158891A1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP7736229B1 (ja) | 2025-09-09 |
| WO2025158891A1 (ja) | 2025-07-31 |
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