JP2025524841A - 電気製錬ユニット内で溶銑鉄を製造するための方法 - Google Patents

電気製錬ユニット内で溶銑鉄を製造するための方法

Info

Publication number
JP2025524841A
JP2025524841A JP2025502574A JP2025502574A JP2025524841A JP 2025524841 A JP2025524841 A JP 2025524841A JP 2025502574 A JP2025502574 A JP 2025502574A JP 2025502574 A JP2025502574 A JP 2025502574A JP 2025524841 A JP2025524841 A JP 2025524841A
Authority
JP
Japan
Prior art keywords
iron
product
steel
pig iron
dri
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.)
Pending
Application number
JP2025502574A
Other languages
English (en)
Japanese (ja)
Other versions
JP2025524841A5 (enExample
Inventor
ユベル，ジャン－クリストフ
サンチェス，マチュー
ドゥプレシャン，シモン・ピエール
Original Assignee
アルセロールミタル
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 アルセロールミタル filed Critical アルセロールミタル
Publication of JP2025524841A publication Critical patent/JP2025524841A/ja
Publication of JP2025524841A5 publication Critical patent/JP2025524841A5/ja
Pending legal-status Critical Current

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)
JP2025502574A 2022-07-29 2022-07-29 電気製錬ユニット内で溶銑鉄を製造するための方法 Pending JP2025524841A (ja)

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 (2)

Publication Number Publication Date
JP2025524841A true JP2025524841A (ja) 2025-08-01
JP2025524841A5 JP2025524841A5 (enExample) 2025-09-22

Family

ID=82932734

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2025502574A Pending JP2025524841A (ja) 2022-07-29 2022-07-29 電気製錬ユニット内で溶銑鉄を製造するための方法

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001522938A (ja) * 1997-11-10 2001-11-20 ヴォエスト・アルピーネ・インデュストリーアンラーゲンバウ・ゲーエムベーハー 直接還元鉄、液状銑鉄、及び鋼を製造するための方法
WO2014190391A1 (en) * 2013-08-19 2014-12-04 Gomez Rodolfo Antonio M A process for producing and reducing an iron oxide briquette
JP2016145393A (ja) * 2015-02-09 2016-08-12 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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU101960B1 (en) * 2020-07-28 2022-01-28 Wurth Paul Sa Method for operating a metallurgic plant for producing iron products

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001522938A (ja) * 1997-11-10 2001-11-20 ヴォエスト・アルピーネ・インデュストリーアンラーゲンバウ・ゲーエムベーハー 直接還元鉄、液状銑鉄、及び鋼を製造するための方法
WO2014190391A1 (en) * 2013-08-19 2014-12-04 Gomez Rodolfo Antonio M A process for producing and reducing an iron oxide briquette
JP2016145393A (ja) * 2015-02-09 2016-08-12 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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
QI-XING YANG ET AL: "Briquette Smelting in Electric Arc Furnace to Recycle Wastes from Stainless Steel Production", JOURNAL OF IRON AND STEEL RESEARCH, INTERNATIONAL, vol. 22, JPN6026007704, December 2015 (2015-12-01), US, pages 10 - 16, ISSN: 0005809897 *

Also Published As

Publication number Publication date
EP4562190A1 (en) 2025-06-04
US20260022430A1 (en) 2026-01-22
WO2024023569A1 (en) 2024-02-01
KR20250024059A (ko) 2025-02-18
ZA202408838B (en) 2025-12-17
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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