ZA966914B - A process for producing, liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process. - Google Patents

A process for producing, liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process.

Info

Publication number
ZA966914B
ZA966914B ZA9606914A ZA966914A ZA966914B ZA 966914 B ZA966914 B ZA 966914B ZA 9606914 A ZA9606914 A ZA 9606914A ZA 966914 A ZA966914 A ZA 966914A ZA 966914 B ZA966914 B ZA 966914B
Authority
ZA
South Africa
Prior art keywords
iron
reduction zone
gas
pct
drawn
Prior art date
Application number
ZA9606914A
Other languages
English (en)
Inventor
Joerg Diehl
Gerald Rosenfellner
Original Assignee
Voest Alpine Ind Anlagen
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 Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of ZA966914B publication Critical patent/ZA966914B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0033In fluidised bed furnaces or apparatus containing a dispersion of the material
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/14Multi-stage processes processes carried out in different vessels or furnaces
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B13/00Making spongy iron or liquid steel, by direct processes
    • C21B13/0006Making spongy iron or liquid steel, by direct processes obtaining iron or steel in a molten state
    • C21B13/0013Making 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
    • C21B13/002Reduction of iron ores by passing through a heated column of carbon
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21BMANUFACTURE OF IRON OR STEEL
    • C21B2100/00Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66Heat exchange
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/10Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture Of Iron (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Catalysts (AREA)
ZA9606914A 1995-08-16 1996-08-15 A process for producing, liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process. ZA966914B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0137995A AT406484B (de) 1995-08-16 1995-08-16 Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und eisenschwamm sowie anlage zur durchführung des verfahrens

Publications (1)

Publication Number Publication Date
ZA966914B true ZA966914B (en) 1997-02-27

Family

ID=3512610

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9606914A ZA966914B (en) 1995-08-16 1996-08-15 A process for producing, liquid pig iron or liquid steel preproducts and sponge iron as well as a plant for carrying out the process.

Country Status (12)

Country Link
US (1) US5846268A (xx)
EP (1) EP0809713B1 (xx)
JP (1) JPH10506682A (xx)
KR (1) KR100244977B1 (xx)
CN (1) CN1046962C (xx)
AT (2) AT406484B (xx)
AU (1) AU695747B2 (xx)
DE (1) DE59605961D1 (xx)
ES (1) ES2152544T3 (xx)
TW (1) TW343998B (xx)
WO (1) WO1997007247A1 (xx)
ZA (1) ZA966914B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT409634B (de) * 2000-05-15 2002-09-25 Voest Alpine Ind Anlagen Verfahren und vorrichtung zur herstellung von roheisen oder flüssigen stahlvorprodukten aus eisenerzhältigen einsatzstoffen
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
CN100451133C (zh) * 2005-09-15 2009-01-14 中冶东方工程技术有限公司 利用焦炉煤气生产直接还原铁的方法及其设备
AT507955B1 (de) * 2009-02-20 2011-02-15 Siemens Vai Metals Tech Gmbh Verfahren und anlage zum herstellen von substitutgas
RU2546266C2 (ru) 2009-07-31 2015-04-10 Хил Текнолоджиз, С.А. Де К.В. Способ производства железа прямого восстановления с ограниченными выбросами со2 в атмосферу
IT1402250B1 (it) 2010-09-29 2013-08-28 Danieli Off Mecc Procedimento ed apparato per la produzione di ferro di riduzione diretta utilizzando una sorgente di gas riducente comprendente idrogeno e monossido di carbonio
AT511243B1 (de) * 2011-03-17 2013-01-15 Siemens Vai Metals Tech Gmbh Hüttentechnische anlage mit effizienter abwärmenutzung
US9605221B2 (en) * 2014-06-28 2017-03-28 Saudi Arabian Oil Company Energy efficient gasification based multi generation apparatus employing energy efficient gasification plant-directed process schemes and related methods
EP3239306A1 (de) * 2016-04-27 2017-11-01 Primetals Technologies Austria GmbH Verfahren und vorrichtung zur herstellung von flüssigem roheisen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2459876B1 (de) * 1974-12-18 1976-06-24 Thyssen Purofer Gmbh Anlage fuer die direktreduktion von eisenerzen
US4173465A (en) * 1978-08-15 1979-11-06 Midrex Corporation Method for the direct reduction of iron using gas from coal
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
DE3713630A1 (de) * 1987-04-23 1988-11-17 Voest Alpine Ag Huettenwerk und verfahren zur erzeugung von stahl
DE4037977A1 (de) * 1990-11-29 1992-06-11 Voest Alpine Ind Anlagen Verfahren zur herstellung von roheisen bzw. eisenschwamm
AT396255B (de) * 1991-09-19 1993-07-26 Voest Alpine Ind Anlagen Anlage und verfahren zur erzeugung von roheisen und eisenschwamm
AT404254B (de) * 1993-07-05 1998-10-27 Voest Alpine Ind Anlagen Verfahren und anlage zur herstellung von roheisen oder flüssigen stahlvorprodukten aus eisenerzhältigen einsatzstoffen

Also Published As

Publication number Publication date
EP0809713A1 (de) 1997-12-03
CN1161063A (zh) 1997-10-01
US5846268A (en) 1998-12-08
ES2152544T3 (es) 2001-02-01
AU6605896A (en) 1997-03-12
JPH10506682A (ja) 1998-06-30
AU695747B2 (en) 1998-08-20
ATE196779T1 (de) 2000-10-15
KR970707305A (ko) 1997-12-01
AT406484B (de) 2000-05-25
WO1997007247A1 (de) 1997-02-27
CN1046962C (zh) 1999-12-01
EP0809713B1 (de) 2000-10-04
KR100244977B1 (ko) 2000-03-02
ATA137995A (de) 1999-10-15
TW343998B (en) 1998-11-01
DE59605961D1 (de) 2000-11-09

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