MA71583A - Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique - Google Patents
Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électriqueInfo
- Publication number
- MA71583A MA71583A MA71583A MA71583A MA71583A MA 71583 A MA71583 A MA 71583A MA 71583 A MA71583 A MA 71583A MA 71583 A MA71583 A MA 71583A MA 71583 A MA71583 A MA 71583A
- Authority
- MA
- Morocco
- Prior art keywords
- manufacture
- melting furnace
- pig iron
- electric melting
- molten pig
- Prior art date
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
- C21B11/10—Making pig-iron other than in blast furnaces in electric 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
- C21B13/0073—Selection or treatment of the reducing gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B13/00—Making spongy iron or liquid steel, by direct processes
- C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/4613—Refractory coated lances; Immersion lances
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4653—Tapholes; Opening or plugging thereof
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0025—Adding carbon material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0037—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/0068—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
- C21C7/04—Removing impurities by adding a treating agent
- C21C7/064—Dephosphorising; Desulfurising
- C21C7/0645—Agents used for dephosphorising or desulfurising
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
- F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
- F27B3/085—Arc furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/18—Charging particulate material using a fluid carrier
- F27D2003/185—Conveying particles in a conduct using a fluid
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multimedia (AREA)
- Manufacture Of Iron (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22754928.4A EP4562192A1 (fr) | 2022-07-29 | 2022-07-29 | Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique |
| PCT/IB2022/057034 WO2024023559A1 (fr) | 2022-07-29 | 2022-07-29 | Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MA71583A true MA71583A (fr) | 2025-05-30 |
Family
ID=82932354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MA71583A MA71583A (fr) | 2022-07-29 | 2022-07-29 | Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP4562192A1 (fr) |
| JP (1) | JP2025524805A (fr) |
| KR (1) | KR20250024818A (fr) |
| CN (1) | CN119452106A (fr) |
| AU (1) | AU2022471175A1 (fr) |
| CA (1) | CA3257767A1 (fr) |
| MA (1) | MA71583A (fr) |
| MX (1) | MX2025001171A (fr) |
| WO (1) | WO2024023559A1 (fr) |
| ZA (1) | ZA202408497B (fr) |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3509072B2 (ja) * | 1997-09-01 | 2004-03-22 | 株式会社神戸製鋼所 | 製鉄・製鋼法 |
| DE19744151C5 (de) * | 1997-10-07 | 2004-08-26 | Outokumpu Oyj | Verfahren zum Schmelzen von feinkörnigem, direkt reduziertem Eisen in einem Elektrolichtbogenofen |
| AU761344B2 (en) * | 1998-10-30 | 2003-06-05 | Midrex Technologies Inc. | Method of producing molten iron in duplex furnaces |
| US6342086B1 (en) * | 1999-02-16 | 2002-01-29 | Process Technology International, Inc. | Method and apparatus for improved EAF steelmaking |
| AUPQ365799A0 (en) * | 1999-10-26 | 1999-11-18 | Technological Resources Pty Limited | A direct smelting apparatus and process |
| LU90788B1 (fr) * | 2001-06-13 | 2002-12-16 | Wurth Paul Sa | Procédé de production de fonte liquide dans un four électrique |
| JP2004323873A (ja) * | 2003-04-22 | 2004-11-18 | Nippon Steel Corp | 電気炉への可燃性廃棄物の投入方法および装置 |
| WO2017046653A1 (fr) * | 2015-09-16 | 2017-03-23 | Hyl Technologies, S.A. De C.V. | Procédé et appareil pour la réduction directe de minerais de fer au moyen de gaz dérivé du charbon ou de gaz de synthèse, présentant un rendement énergétique amélioré |
| US11788159B2 (en) * | 2020-03-24 | 2023-10-17 | Midrex Technologies, Inc. | Integration of DR plant and electric DRI melting furnace for producing high performance iron |
| DE102020205493A1 (de) * | 2020-04-30 | 2021-11-04 | Sms Group Gmbh | Verfahren zum Herstellen von flüssigem Roheisen aus einem DRI-Produkt |
-
2022
- 2022-07-29 AU AU2022471175A patent/AU2022471175A1/en active Pending
- 2022-07-29 WO PCT/IB2022/057034 patent/WO2024023559A1/fr not_active Ceased
- 2022-07-29 CN CN202280097592.6A patent/CN119452106A/zh active Pending
- 2022-07-29 CA CA3257767A patent/CA3257767A1/fr active Pending
- 2022-07-29 EP EP22754928.4A patent/EP4562192A1/fr active Pending
- 2022-07-29 JP JP2025501797A patent/JP2025524805A/ja active Pending
- 2022-07-29 KR KR1020257001104A patent/KR20250024818A/ko active Pending
- 2022-07-29 MA MA71583A patent/MA71583A/fr unknown
-
2024
- 2024-11-08 ZA ZA2024/08497A patent/ZA202408497B/en unknown
-
2025
- 2025-01-28 MX MX2025001171A patent/MX2025001171A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| KR20250024818A (ko) | 2025-02-19 |
| ZA202408497B (en) | 2025-11-26 |
| MX2025001171A (es) | 2025-03-07 |
| EP4562192A1 (fr) | 2025-06-04 |
| AU2022471175A1 (en) | 2024-11-28 |
| CN119452106A (zh) | 2025-02-14 |
| CA3257767A1 (fr) | 2024-02-01 |
| JP2025524805A (ja) | 2025-08-01 |
| WO2024023559A1 (fr) | 2024-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| MA71585A (fr) | Procédé de fabrication de fonte brute fondue dans un four de fusion électrique | |
| EP3854894A4 (fr) | Procédé de fusion de minerai d'oxyde | |
| MA71591A (fr) | Procédé pour la fabrication de fonte brute en fusion dans une unité de fusion électrique | |
| EP4215627A4 (fr) | Procédé de fusion à faible coût pour acier à usage polaire utilisant du fer fondu à teneur ultra-haute en phosphore | |
| MA71583A (fr) | Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique | |
| CN105478690B (zh) | 用于上引法结晶器的石墨模具 | |
| MA71602A (fr) | Procédé de fabrication de fonte brute fondue dans une unité de fusion électrique | |
| MA71592A (fr) | Procédé de production de fonte brute fondue dans une unité de fusion électrique | |
| EP4119687A4 (fr) | Procédé de fusion d'acier pour fil de carborundum ultrafin | |
| MA71581A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion associé | |
| MA71586A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion associé | |
| MA71582A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four associé | |
| MA71589A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé | |
| MA71588A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé | |
| MA71584A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé | |
| MA71593A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé | |
| MA71594A (fr) | Procédé de fabrication de fonte brute dans un four de fusion électrique et four de fusion électrique associé | |
| MA71587A (fr) | Procédé de fabrication de fonte brute dans une chaîne de production comprenant un four de fusion électrique | |
| MA71590A (fr) | Procédé de fabrication de fonte brute dans une chaîne de production comprenant un four de fusion électrique | |
| RU2007108996A (ru) | Способ и устройство электронно-лучевой или плазменной зонной плавки в квадратный кристаллизатор | |
| EP4339302A4 (fr) | Procédé d'affinage d'acier fondu | |
| CN102802841B (zh) | 用于将金属在电炉中重熔的方法和设备 | |
| MA63490B1 (fr) | Procédé de production d'acier sans interstices à l'aide de déchets dans des installations de four à arc | |
| RU2661322C2 (ru) | Способ изготовления биметаллического электрода путем электрошлаковой наплавки | |
| RU2674596C1 (ru) | Способ получения расходуемого электрода электрошлакового переплава для формирования многослойной отливки |