ZA202408838B - A method for producing molten pig iron into an electrical smelting unit - Google Patents

A method for producing molten pig iron into an electrical smelting unit

Info

Publication number
ZA202408838B
ZA202408838B ZA2024/08838A ZA202408838A ZA202408838B ZA 202408838 B ZA202408838 B ZA 202408838B ZA 2024/08838 A ZA2024/08838 A ZA 2024/08838A ZA 202408838 A ZA202408838 A ZA 202408838A ZA 202408838 B ZA202408838 B ZA 202408838B
Authority
ZA
South Africa
Prior art keywords
pig iron
product
molten pig
smelting unit
producing molten
Prior art date
Application number
ZA2024/08838A
Other languages
English (en)
Inventor
Huber Jean-Christophe
Sanchez Mathieu
Pierre Deplechin Simon
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 ZA202408838B publication Critical patent/ZA202408838B/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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B3/00—General features in the manufacture of pig-iron
    • C21B3/04—Recovery of by-products, e.g. slag
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2200/00—Recycling of non-gaseous waste material

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Carbon Steel Or Casting Steel Manufacturing (AREA)
ZA2024/08838A 2022-07-29 2024-11-20 A method for producing molten pig iron into an electrical smelting unit ZA202408838B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IB2022/057048 WO2024023569A1 (en) 2022-07-29 2022-07-29 A method for producing molten pig iron into an electrical smelting unit

Publications (1)

Publication Number Publication Date
ZA202408838B true ZA202408838B (en) 2025-12-17

Family

ID=82932734

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2024/08838A ZA202408838B (en) 2022-07-29 2024-11-20 A method for producing molten pig iron into an electrical smelting unit

Country Status (11)

Country Link
US (1) US20260022430A1 (enExample)
EP (1) EP4562190A1 (enExample)
JP (1) JP2025524841A (enExample)
KR (1) KR20250024059A (enExample)
CN (1) CN119630814A (enExample)
AU (1) AU2022471177A1 (enExample)
CA (1) CA3258205A1 (enExample)
MA (1) MA71592A (enExample)
MX (1) MX2025001159A (enExample)
WO (1) WO2024023569A1 (enExample)
ZA (1) ZA202408838B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2025219738A1 (en) * 2024-04-15 2025-10-23 Arcelormittal A steelmaking method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406272B (de) * 1997-11-10 2000-03-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von direkt reduziertem eisen, flüssigem roheisen und stahl sowie anlage zur durchführung des verfahrens
WO2014190391A1 (en) * 2013-08-19 2014-12-04 Gomez Rodolfo Antonio M A process for producing and reducing an iron oxide briquette
JP6237664B2 (ja) * 2015-02-09 2017-11-29 Ｊｆｅスチール株式会社 アーク炉の操業方法及び溶鋼の製造方法
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
EP4562190A1 (en) 2025-06-04
US20260022430A1 (en) 2026-01-22
JP2025524841A (ja) 2025-08-01
WO2024023569A1 (en) 2024-02-01
KR20250024059A (ko) 2025-02-18
CA3258205A1 (en) 2024-02-01
MX2025001159A (es) 2025-03-07
AU2022471177A1 (en) 2024-12-12
MA71592A (fr) 2025-05-30
CN119630814A (zh) 2025-03-14

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