MA71602A - PROCESS FOR PRODUCING MOLTEN PIG IRON IN AN ELECTRIC MELTING UNIT - Google Patents

PROCESS FOR PRODUCING MOLTEN PIG IRON IN AN ELECTRIC MELTING UNIT

Info

Publication number
MA71602A
MA71602A MA71602A MA71602A MA71602A MA 71602 A MA71602 A MA 71602A MA 71602 A MA71602 A MA 71602A MA 71602 A MA71602 A MA 71602A MA 71602 A MA71602 A MA 71602A
Authority
MA
Morocco
Prior art keywords
pig iron
electric melting
melting unit
molten pig
producing molten
Prior art date
Application number
MA71602A
Other languages
French (fr)
Inventor
Jean-Christophe HUBER
Mathieu Sanchez
Simon Pierre DEPLECHIN
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 MA71602A publication Critical patent/MA71602A/en

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
    • C21B13/0086—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
    • C21B13/12—Making spongy iron or liquid steel, by direct processes 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
    • C21B13/14—Multi-stage processes processes carried out in different vessels or furnaces
    • C21B13/143—Injection of partially reduced ore into a molten bath
    • 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
    • C22B1/00—Preliminary treatment of ores or scrap
    • C22B1/14—Agglomerating; Briquetting; Binding; Granulating
    • C22B1/24—Binding; Briquetting ; Granulating

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
MA71602A 2022-07-29 2023-07-20 PROCESS FOR PRODUCING MOLTEN PIG IRON IN AN ELECTRIC MELTING UNIT MA71602A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/IB2022/057045 WO2024023567A1 (en) 2022-07-29 2022-07-29 A method of manufacturing molten pig iron into an electrical smelting unit
PCT/IB2023/057406 WO2024023660A1 (en) 2022-07-29 2023-07-20 A method of manufacturing molten pig iron into an electrical smelting unit
EP23748854.9A EP4562201A1 (en) 2022-07-29 2023-07-20 A method of manufacturing molten pig iron into an electrical smelting unit

Publications (1)

Publication Number Publication Date
MA71602A true MA71602A (en) 2025-05-30

Family

ID=82932702

Family Applications (1)

Application Number Title Priority Date Filing Date
MA71602A MA71602A (en) 2022-07-29 2023-07-20 PROCESS FOR PRODUCING MOLTEN PIG IRON IN AN ELECTRIC MELTING UNIT

Country Status (11)

Country Link
EP (1) EP4562201A1 (en)
JP (1) JP2025524806A (en)
KR (1) KR20250024060A (en)
CN (1) CN119487219A (en)
AU (1) AU2023313102B2 (en)
CA (1) CA3257848A1 (en)
MA (1) MA71602A (en)
MX (1) MX2025001167A (en)
UA (1) UA130964C2 (en)
WO (2) WO2024023567A1 (en)
ZA (1) ZA202408551B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4644574A1 (en) * 2024-04-30 2025-11-05 ThyssenKrupp Steel Europe AG Method for producing a phosphorus-containing pig iron melt

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5912916A (en) * 1995-05-01 1999-06-15 Alabama Power Company Electric furnace with insulated electrodes and process for producing molten metals
JP3509072B2 (en) * 1997-09-01 2004-03-22 株式会社神戸製鋼所 Iron and steel making
AT406272B (en) * 1997-11-10 2000-03-27 Voest Alpine Ind Anlagen METHOD FOR PRODUCING DIRECTLY REDUCED IRON, LIQUID PIPE IRON AND STEEL, AND SYSTEM FOR IMPLEMENTING THE METHOD
WO2014190391A1 (en) * 2013-08-19 2014-12-04 Gomez Rodolfo Antonio M A process for producing and reducing an iron oxide briquette
LU101960B1 (en) * 2020-07-28 2022-01-28 Wurth Paul Sa Method for operating a metallurgic plant for producing iron products

Also Published As

Publication number Publication date
CA3257848A1 (en) 2024-02-01
CN119487219A (en) 2025-02-18
MX2025001167A (en) 2025-03-07
KR20250024060A (en) 2025-02-18
JP2025524806A (en) 2025-08-01
ZA202408551B (en) 2025-12-17
WO2024023660A1 (en) 2024-02-01
EP4562201A1 (en) 2025-06-04
AU2023313102B2 (en) 2026-05-14
WO2024023567A1 (en) 2024-02-01
UA130964C2 (en) 2026-06-24
AU2023313102A1 (en) 2024-11-28

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