CZ118197A3 - Process for producing liquid pig iron or a steel half-finished product and iron sponge as well as apparatus for making the same - Google Patents

Process for producing liquid pig iron or a steel half-finished product and iron sponge as well as apparatus for making the same

Info

Publication number
CZ118197A3
CZ118197A3 CZ971181A CZ118197A CZ118197A3 CZ 118197 A3 CZ118197 A3 CZ 118197A3 CZ 971181 A CZ971181 A CZ 971181A CZ 118197 A CZ118197 A CZ 118197A CZ 118197 A3 CZ118197 A3 CZ 118197A3
Authority
CZ
Czechia
Prior art keywords
iron
zone
pct
reducing gas
sponge iron
Prior art date
Application number
CZ971181A
Other languages
English (en)
Other versions
CZ285427B6 (cs
Inventor
Joerg Diehl
Gerald Rosenfellner
Leopold Werner Kepplinger
Konstantin Milionis
Dieter Siuka
Horst Wiesinger
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
Priority claimed from AT0195894A external-priority patent/AT405186B/de
Priority claimed from AT0070995A external-priority patent/AT406586B/de
Priority claimed from AT0071095A external-priority patent/AT406481B/de
Application filed by Voest Alpine Ind Anlagen filed Critical Voest Alpine Ind Anlagen
Publication of CZ118197A3 publication Critical patent/CZ118197A3/cs
Publication of CZ285427B6 publication Critical patent/CZ285427B6/cs

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
    • C21B13/0033—In fluidised bed furnaces or apparatus containing a dispersion of the material
    • 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
    • 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
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/20—Increasing the gas reduction potential of recycled exhaust gases
    • C21B2100/28—Increasing the gas reduction potential of recycled exhaust gases by separation
    • C21B2100/282—Increasing the gas reduction potential of recycled exhaust gases by separation of carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/40—Gas purification of exhaust gases to be recirculated or used in other metallurgical processes
    • C21B2100/44—Removing particles, e.g. by scrubbing, dedusting
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B2100/00—Handling of exhaust gases produced during the manufacture of iron or steel
    • C21B2100/60—Process control or energy utilisation in the manufacture of iron or steel
    • C21B2100/66—Heat exchange
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/122—Reduction of greenhouse gas [GHG] emissions by capturing or storing CO2
    • 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
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction 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)
  • Manufacture Of Iron (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Treatment Of Steel In Its Molten State (AREA)
  • Forging (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
CZ971181A 1994-10-17 1995-10-12 Způsob výroby tekutého surového železa nebo ocelového polotovaru a železné houby a zařízení pro provádění způsobu CZ285427B6 (cs)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT0195894A AT405186B (de) 1994-10-17 1994-10-17 Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm
AT0070995A AT406586B (de) 1995-04-25 1995-04-25 Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und eisenschwamm sowie anlage zur durchführung des verfahrens
AT0071095A AT406481B (de) 1995-04-25 1995-04-25 Verfahren zur herstellung von flüssigem roheisen oder flüssigen stahlvorprodukten und eisenschwamm sowie anlage zur durchführung des verfahrens
PCT/AT1995/000199 WO1996012045A1 (de) 1994-10-17 1995-10-12 Anlage und verfahren zur herstellung von roheisen und/oder eisenschwamm

Publications (2)

Publication Number Publication Date
CZ118197A3 true CZ118197A3 (en) 1997-08-13
CZ285427B6 CZ285427B6 (cs) 1999-08-11

Family

ID=27146638

Family Applications (1)

Application Number Title Priority Date Filing Date
CZ971181A CZ285427B6 (cs) 1994-10-17 1995-10-12 Způsob výroby tekutého surového železa nebo ocelového polotovaru a železné houby a zařízení pro provádění způsobu

Country Status (16)

Country Link
US (1) US5997608A (cs)
EP (1) EP0787215B1 (cs)
JP (1) JP3366009B2 (cs)
KR (1) KR100250348B1 (cs)
CN (1) CN1046961C (cs)
AT (1) ATE169686T1 (cs)
AU (1) AU704141B2 (cs)
BR (1) BR9509364A (cs)
CA (1) CA2202918C (cs)
CZ (1) CZ285427B6 (cs)
DE (1) DE59503199D1 (cs)
RU (1) RU2135597C1 (cs)
SK (1) SK282937B6 (cs)
TW (1) TW303389B (cs)
UA (1) UA41419C2 (cs)
WO (1) WO1996012044A1 (cs)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT406381B (de) * 1996-03-05 2000-04-25 Voest Alpine Ind Anlagen Anlage und verfahren zur herstellung von metallschwamm
AT407052B (de) * 1998-08-13 2000-12-27 Voest Alpine Ind Anlagen Verfahren zur herstellung von flüssigem roheisen
US6478841B1 (en) 2001-09-12 2002-11-12 Techint Technologies Inc. Integrated mini-mill for iron and steel making
US20050151307A1 (en) * 2003-09-30 2005-07-14 Ricardo Viramontes-Brown Method and apparatus for producing molten iron
DE102007024312B4 (de) * 2007-05-24 2009-04-30 Lurgi Gmbh Verfahren und Vorrichtung zum Herstellen von Reduktionsgas und/oder Brenngas für die Direktreduktion von Eisenerz
AT507113B1 (de) 2008-07-17 2010-07-15 Siemens Vai Metals Tech Gmbh Verfahren und anlage zur energie- und co2-emissionsoptimierten eisenerzeugung
US8151483B2 (en) * 2010-07-06 2012-04-10 Tdw Delaware, Inc. Progressive dewatering and inhibitor dispersal rolling pig
CN102206723B (zh) * 2011-01-13 2013-06-05 北京首钢国际工程技术有限公司 富甲烷煤气自重整还原铁精粉的气基直接还原炼铁方法
AT511243B1 (de) * 2011-03-17 2013-01-15 Siemens Vai Metals Tech Gmbh Hüttentechnische anlage mit effizienter abwärmenutzung
CN102925611B (zh) * 2012-10-24 2014-06-04 中国科学院过程工程研究所 一种复合添加剂改性铁矿粉防止流态化还原过程粘结失流的方法
EP2821509A1 (de) * 2013-07-01 2015-01-07 Siemens VAI Metals Technologies GmbH Entschwefelung von Gasen bei der Herstellung von Roheisen
ITUA20163986A1 (it) 2016-05-31 2017-12-01 Tenova Spa Metodo ed apparato per la produzione di ghisa, ghisa prodotta secondo detto metodo
IT201900002081A1 (it) * 2019-02-13 2020-08-13 Danieli Off Mecc Impianto di riduzione diretta e relativo processo

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3626027A1 (de) * 1986-08-01 1988-02-11 Metallgesellschaft Ag Verfahren zur reduktion feinkoerniger, eisenhaltiger materialien mit festen kohlenstoffhaltigen reduktionsmitteln
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
US5676732A (en) * 1995-09-15 1997-10-14 Hylsa, S.A. De C.V. Method for producing direct reduced iron utilizing a reducing gas with a high content of carbon monoxide

Also Published As

Publication number Publication date
TW303389B (cs) 1997-04-21
CA2202918C (en) 2001-12-11
EP0787215A1 (de) 1997-08-06
DE59503199D1 (de) 1998-09-17
JP3366009B2 (ja) 2003-01-14
UA41419C2 (uk) 2001-09-17
CZ285427B6 (cs) 1999-08-11
ATE169686T1 (de) 1998-08-15
CA2202918A1 (en) 1996-04-25
KR100250348B1 (ko) 2000-04-01
SK48097A3 (en) 1998-04-08
CN1046961C (zh) 1999-12-01
SK282937B6 (sk) 2003-01-09
KR970707306A (ko) 1997-12-01
BR9509364A (pt) 1997-11-04
EP0787215B1 (de) 1998-08-12
WO1996012044A1 (de) 1996-04-25
RU2135597C1 (ru) 1999-08-27
CN1161061A (zh) 1997-10-01
US5997608A (en) 1999-12-07
AU704141B2 (en) 1999-04-15
JPH10506678A (ja) 1998-06-30
AU3736395A (en) 1996-05-06

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DE59607839D1 (de) Verfahren zur herstellung von flüssigem roheisen oder stahlvorprodukten sowie anlage zur durchführung des verfahrens
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Legal Events

Date Code Title Description
IF00 In force as of 2000-06-30 in czech republic
MM4A Patent lapsed due to non-payment of fee

Effective date: 20031012