EP4355471C0 - Procédé de traitement de l'éponge de fer et éponge de fer - Google Patents
Procédé de traitement de l'éponge de fer et éponge de ferInfo
- Publication number
- EP4355471C0 EP4355471C0 EP22732958.8A EP22732958A EP4355471C0 EP 4355471 C0 EP4355471 C0 EP 4355471C0 EP 22732958 A EP22732958 A EP 22732958A EP 4355471 C0 EP4355471 C0 EP 4355471C0
- Authority
- EP
- European Patent Office
- Prior art keywords
- iron sponge
- treating
- sponge
- iron
- treating 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/0086—Conditioning, transformation of reduced iron ores
- C21B13/0093—Protecting against oxidation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacture Of Iron (AREA)
- Paints Or Removers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102021115807.9A DE102021115807A1 (de) | 2021-06-18 | 2021-06-18 | Verfahren zum Behandeln von Eisenschwamm |
| PCT/EP2022/065052 WO2022263189A1 (fr) | 2021-06-18 | 2022-06-02 | Procédé de traitement de fer spongieux |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP4355471A1 EP4355471A1 (fr) | 2024-04-24 |
| EP4355471B1 EP4355471B1 (fr) | 2025-11-05 |
| EP4355471C0 true EP4355471C0 (fr) | 2025-11-05 |
Family
ID=82163364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22732958.8A Active EP4355471B1 (fr) | 2021-06-18 | 2022-06-02 | Procédé de traitement de l'éponge de fer et éponge de fer |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP4355471B1 (fr) |
| CN (1) | CN117500581A (fr) |
| DE (1) | DE102021115807A1 (fr) |
| ES (1) | ES3057416T3 (fr) |
| WO (1) | WO2022263189A1 (fr) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3556838A (en) * | 1966-11-01 | 1971-01-19 | Exxon Research Engineering Co | Process for coating active iron and the coated iron |
| US3628986A (en) * | 1969-08-22 | 1971-12-21 | Exxon Research Engineering Co | Water-repellent reduced iron ore |
| US3833343A (en) * | 1971-04-28 | 1974-09-03 | Carbo Scrap | Process for production of carbon-bearing scrap and product |
| DE2326174C2 (de) * | 1973-05-23 | 1979-03-29 | Kloeckner-Werke Ag, 4100 Duisburg | Einschränkung der Oxydation des Einsatzes beim Einschmelzen von Schrott o.dgl |
| AT350600B (de) | 1977-08-25 | 1979-06-11 | Voest Ag | Verfahren zur behandlung von eisenschwamm zum verhindern der reoxidation und vorrichtung zur durchfuehrung dieses verfahrens |
| SE8003999L (sv) | 1980-05-29 | 1981-11-30 | Bergstedth Henri | Klettersko for anvendning vid stolpar |
| AT367097B (de) | 1980-06-11 | 1982-05-25 | Voest Alpine Ag | Verfahren zum behandeln von metallischen huetteneinsatzstoffen, insbesondere eisenschwammteilchen |
| EP0042236A1 (fr) | 1980-06-13 | 1981-12-23 | Alan Worswick | Machine et méthode d'empilage |
| US4329168A (en) * | 1980-07-01 | 1982-05-11 | Rubio Charles A | Amine treatment for passivating sponge iron |
| JP2002363625A (ja) * | 2001-06-05 | 2002-12-18 | Kobe Steel Ltd | 表面被覆還元鉄、その製造方法および溶解方法 |
-
2021
- 2021-06-18 DE DE102021115807.9A patent/DE102021115807A1/de active Pending
-
2022
- 2022-06-02 WO PCT/EP2022/065052 patent/WO2022263189A1/fr not_active Ceased
- 2022-06-02 ES ES22732958T patent/ES3057416T3/es active Active
- 2022-06-02 CN CN202280042933.XA patent/CN117500581A/zh active Pending
- 2022-06-02 EP EP22732958.8A patent/EP4355471B1/fr active Active
Also Published As
| Publication number | Publication date |
|---|---|
| ES3057416T3 (en) | 2026-03-02 |
| EP4355471B1 (fr) | 2025-11-05 |
| WO2022263189A1 (fr) | 2022-12-22 |
| CN117500581A (zh) | 2024-02-02 |
| DE102021115807A1 (de) | 2022-12-22 |
| EP4355471A1 (fr) | 2024-04-24 |
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