DE69904583D1 - Verbessertes verfahren zur herstellung von stahl - Google Patents

Verbessertes verfahren zur herstellung von stahl

Info

Publication number
DE69904583D1
DE69904583D1 DE69904583T DE69904583T DE69904583D1 DE 69904583 D1 DE69904583 D1 DE 69904583D1 DE 69904583 T DE69904583 T DE 69904583T DE 69904583 T DE69904583 T DE 69904583T DE 69904583 D1 DE69904583 D1 DE 69904583D1
Authority
DE
Germany
Prior art keywords
improved method
producing steel
steel
producing
improved
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.)
Expired - Lifetime
Application number
DE69904583T
Other languages
English (en)
Other versions
DE69904583T2 (de
Inventor
Shilowbhadra Banerjee
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.)
National Research Development Corp of India
Original Assignee
National Research Development Corp of India
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 National Research Development Corp of India filed Critical National Research Development Corp of India
Application granted granted Critical
Publication of DE69904583D1 publication Critical patent/DE69904583D1/de
Publication of DE69904583T2 publication Critical patent/DE69904583T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5252—Manufacture of steel in electric furnaces in an electrically heated multi-chamber furnace, a combination of electric furnaces or an electric furnace arranged for associated working with a non electric furnace
    • 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
    • C21C5/52—Manufacture of steel 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
DE69904583T 1999-02-11 1999-02-11 Verbessertes verfahren zur herstellung von stahl Expired - Lifetime DE69904583T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/IN1999/000003 WO2000047782A1 (en) 1999-02-11 1999-02-11 An improved process for making steel

Publications (2)

Publication Number Publication Date
DE69904583D1 true DE69904583D1 (de) 2003-01-30
DE69904583T2 DE69904583T2 (de) 2003-11-20

Family

ID=11076650

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69904583T Expired - Lifetime DE69904583T2 (de) 1999-02-11 1999-02-11 Verbessertes verfahren zur herstellung von stahl

Country Status (4)

Country Link
US (1) US6424671B1 (de)
EP (1) EP1073773B1 (de)
DE (1) DE69904583T2 (de)
WO (1) WO2000047782A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040079199A1 (en) * 2002-10-29 2004-04-29 Harris Randal S. Method for making killed steel
CN100363508C (zh) * 2005-11-24 2008-01-23 广东韶钢松山股份有限公司 电炉转炉化炼钢生产工艺
CN101929995B (zh) * 2009-06-25 2013-04-03 宝山钢铁股份有限公司 一种高炉炉尘中煤粉、焦炭和含铁炉料含量的测定方法
CN101988137B (zh) * 2009-07-31 2012-07-04 宝山钢铁股份有限公司 一种转炉低热值铁水用发热剂
CN101824508B (zh) * 2010-02-24 2011-09-21 南京钢铁股份有限公司 电炉冶炼的造渣方法
RU2533071C1 (ru) * 2013-10-15 2014-11-20 Открытое акционерное общество "Северсталь" (ОАО "Северсталь") Способ производства стали
LU102322B1 (en) * 2020-12-17 2022-06-21 Wurth Paul Sa Green production route for low carbon, low nitrogen steel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB828376A (en) 1956-07-27 1960-02-17 Von Roll Ag Improvements relating to the manufacture of steel
GB943796A (en) 1960-03-25 1963-12-04 Friedrich Lueth Process for the production of steel
US4105439A (en) * 1977-05-31 1978-08-08 Harsco Corporation Method for production of refined steel
US4329171A (en) * 1981-01-08 1982-05-11 Pennsylvania Engineering Corporation Steel making method
US5218617A (en) * 1990-06-01 1993-06-08 Hylsa S.A. De C.V. Apparatus for feeding iron-bearing materials to metallurgical furnaces
DE4215858C2 (de) 1992-05-14 1995-09-14 Metallgesellschaft Ag Verfahren und Vorrichtung zur Herstellung von Stahlschmelzen

Also Published As

Publication number Publication date
WO2000047782A1 (en) 2000-08-17
EP1073773B1 (de) 2002-12-18
EP1073773A1 (de) 2001-02-07
DE69904583T2 (de) 2003-11-20
US6424671B1 (en) 2002-07-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition