EP2641981A4 - Apparatus for manufacturing molten iron and method for manufacturing molten iron using same - Google Patents

Apparatus for manufacturing molten iron and method for manufacturing molten iron using same Download PDF

Info

Publication number
EP2641981A4
EP2641981A4 EP11842354.0A EP11842354A EP2641981A4 EP 2641981 A4 EP2641981 A4 EP 2641981A4 EP 11842354 A EP11842354 A EP 11842354A EP 2641981 A4 EP2641981 A4 EP 2641981A4
Authority
EP
European Patent Office
Prior art keywords
molten iron
manufacturing molten
same
manufacturing
iron
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.)
Granted
Application number
EP11842354.0A
Other languages
German (de)
French (fr)
Other versions
EP2641981B1 (en
EP2641981A2 (en
Inventor
Myoung-Kyun Shin
Sang-Hoon Joo
Dong-Jin Kim
Jin-Tae Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Posco Holdings Inc
Original Assignee
Posco Co Ltd
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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP2641981A2 publication Critical patent/EP2641981A2/en
Publication of EP2641981A4 publication Critical patent/EP2641981A4/en
Application granted granted Critical
Publication of EP2641981B1 publication Critical patent/EP2641981B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/0006—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013—Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state introduction of iron oxide into a bath of molten iron containing a carbon reductant
    • C21B13/002—Reduction of iron ores by passing through a heated column of carbon
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
EP11842354.0A 2010-11-19 2011-11-18 Method for manufacturing molten iron Active EP2641981B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20100115554A KR101187851B1 (en) 2010-11-19 2010-11-19 Apparatus for manufacturing molten iron and method for manufacturing thereof
PCT/KR2011/008842 WO2012067462A2 (en) 2010-11-19 2011-11-18 Apparatus for manufacturing molten iron and method for manufacturing molten iron using same

Publications (3)

Publication Number Publication Date
EP2641981A2 EP2641981A2 (en) 2013-09-25
EP2641981A4 true EP2641981A4 (en) 2017-08-30
EP2641981B1 EP2641981B1 (en) 2019-06-05

Family

ID=46084546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11842354.0A Active EP2641981B1 (en) 2010-11-19 2011-11-18 Method for manufacturing molten iron

Country Status (4)

Country Link
EP (1) EP2641981B1 (en)
KR (1) KR101187851B1 (en)
CN (2) CN104694687A (en)
WO (1) WO2012067462A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101451405B1 (en) * 2012-11-30 2014-10-15 주식회사 포스코 Apparatus for hardening microgranulates and apparatus for manufacturing molten iron comprising the same
KR101417652B1 (en) * 2013-06-24 2014-07-08 주식회사 포스코 Apparatus and Method for preventing a formation of gas congestion in rector
KR101550893B1 (en) * 2013-12-10 2015-09-18 주식회사 포스코 Method and apparatus for manufacturing molten iron
DE102014111906A1 (en) 2014-08-20 2016-02-25 Maschinenfabrik Köppern Gmbh & Co. Kg Plant for hot briquetting
CN107075592B (en) * 2014-11-06 2020-01-10 株式会社Posco Composite molten iron manufacturing apparatus
KR101660696B1 (en) * 2015-09-08 2016-09-28 주식회사 포스코 Tar decomposition device, apparatus and method for manufacturing molten irons

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060162499A1 (en) * 2002-12-21 2006-07-27 Posco Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same
CN1842605A (en) * 2004-10-19 2006-10-04 Posco公司 An apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and an apparatus for manufacturing molten irons using the same
WO2008018774A1 (en) * 2006-08-11 2008-02-14 Posco Apparatus for manufacturing molten irons and method for manufacturing molten irons using the same
WO2011045212A1 (en) * 2009-10-16 2011-04-21 Siemens Vai Metals Technologies Gmbh Method and device for feeding into a smelting unit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86101529A (en) * 1983-09-14 1988-02-17 新西兰钢铁公司 The production of molten iron
JP2002241819A (en) 2001-02-09 2002-08-28 Nkk Corp Device for blowing fine grain ore
CN1325666C (en) * 2002-12-21 2007-07-11 Posco公司 An apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same
KR101197694B1 (en) * 2005-09-12 2012-11-05 주식회사 포스코 Apparatus for manufacturing compacted irons comprising fine reduced irons, and apparatus for manufacturing molten irons provided with the same
KR100797824B1 (en) * 2006-12-18 2008-01-24 주식회사 포스코 Ironmaking apparatus directly using coals and fine ores
CN101260448B (en) * 2008-04-24 2010-09-29 钢铁研究总院 Fusion reduction iron-smelting method for directly using concentrate powder

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060162499A1 (en) * 2002-12-21 2006-07-27 Posco Apparatus for manufacturing molten irons by hot compacting fine direct reduced irons and calcined additives and method using the same
CN1842605A (en) * 2004-10-19 2006-10-04 Posco公司 An apparatus for manufacturing compacted irons of reduced materials comprising fine direct reduced irons and an apparatus for manufacturing molten irons using the same
WO2008018774A1 (en) * 2006-08-11 2008-02-14 Posco Apparatus for manufacturing molten irons and method for manufacturing molten irons using the same
WO2011045212A1 (en) * 2009-10-16 2011-04-21 Siemens Vai Metals Technologies Gmbh Method and device for feeding into a smelting unit

Also Published As

Publication number Publication date
EP2641981B1 (en) 2019-06-05
CN103221555B (en) 2015-07-15
WO2012067462A3 (en) 2012-08-23
EP2641981A2 (en) 2013-09-25
CN103221555A (en) 2013-07-24
KR101187851B1 (en) 2012-10-04
CN104694687A (en) 2015-06-10
KR20120054262A (en) 2012-05-30
WO2012067462A2 (en) 2012-05-24

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