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 électrique

Info

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
Application number
MA71583A
Other languages
English (en)
Inventor
Jean-Christophe HUBER
Mathieu Sanchez
Eric Alain Gabriel HESS
Original Assignee
Arcelormittal
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Arcelormittal filed Critical Arcelormittal
Publication of MA71583A publication Critical patent/MA71583A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B11/00Making pig-iron other than in blast furnaces
    • C21B11/10Making pig-iron other than in blast furnaces in electric furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0073Selection or treatment of the reducing gases
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/14Multi-stage processes processes carried out in different vessels or furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4606Lances or injectors
    • C21C5/4613Refractory coated lances; Immersion lances
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/28Manufacture of steel in the converter
    • C21C5/42Constructional features of converters
    • C21C5/46Details or accessories
    • C21C5/4653Tapholes; Opening or plugging thereof
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0025Adding carbon material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0037Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by injecting powdered material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/0068Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00 by introducing material into a current of streaming metal
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04Removing impurities by adding a treating agent
    • C21C7/064Dephosphorising; Desulfurising
    • C21C7/0645Agents used for dephosphorising or desulfurising
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/08Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085Arc furnaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/18Charging particulate material using a fluid carrier
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27DDETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D3/00Charging; Discharging; Manipulation of charge
    • F27D3/18Charging particulate material using a fluid carrier
    • F27D2003/185Conveying 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)
MA71583A 2022-07-29 2022-07-29 Procédé pour la fabrication de fonte brute en fusion dans un four de fusion électrique MA71583A (fr)

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)

* Cited by examiner, † Cited by third party
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

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

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