CA2343212A1 - Procede de production de metal directement desoxyde dans un four a etages - Google Patents

Procede de production de metal directement desoxyde dans un four a etages Download PDF

Info

Publication number
CA2343212A1
CA2343212A1 CA002343212A CA2343212A CA2343212A1 CA 2343212 A1 CA2343212 A1 CA 2343212A1 CA 002343212 A CA002343212 A CA 002343212A CA 2343212 A CA2343212 A CA 2343212A CA 2343212 A1 CA2343212 A1 CA 2343212A1
Authority
CA
Canada
Prior art keywords
hearth furnace
hearths
metallic oxides
hearth
furnace
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.)
Abandoned
Application number
CA002343212A
Other languages
English (en)
Inventor
Jean-Luc Roth
Thomas Hansmann
Romain Frieden
Marc Solvi
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.)
Paul Wurth SA
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2343212A1 publication Critical patent/CA2343212A1/fr
Abandoned legal-status Critical Current

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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type 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
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/16—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path
    • F27B9/18—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path under the action of scrapers or pushers
    • F27B9/185—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a circular or arcuate path under the action of scrapers or pushers multiple hearth type furnaces
    • 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

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Charging Or Discharging (AREA)
  • Furnace Details (AREA)

Abstract

L'invention concerne un procédé permettant de produire du métal directement désoxydé dans un four à étages, les oxydes métalliques et un agent de réduction étant introduits dans le four à étages et la chaleur nécessaire à la réduction des oxydes métalliques étant produite par chauffage indirect d'étages individuels du four.
CA002343212A 1998-09-23 1999-08-30 Procede de production de metal directement desoxyde dans un four a etages Abandoned CA2343212A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LU90291A LU90291B1 (de) 1998-09-23 1998-09-23 Verfahren zum herstellen von direkt reduziertem Metall in einem Etagenofen
LU90291 1998-09-23
PCT/EP1999/006381 WO2000017404A1 (fr) 1998-09-23 1999-08-30 Procede de production de metal directement desoxyde dans un four a etages

Publications (1)

Publication Number Publication Date
CA2343212A1 true CA2343212A1 (fr) 2000-03-30

Family

ID=19731769

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002343212A Abandoned CA2343212A1 (fr) 1998-09-23 1999-08-30 Procede de production de metal directement desoxyde dans un four a etages

Country Status (15)

Country Link
EP (1) EP1115890A1 (fr)
JP (1) JP2002526652A (fr)
KR (1) KR20010075318A (fr)
CN (1) CN1319143A (fr)
AU (1) AU6079499A (fr)
BR (1) BR9914460A (fr)
CA (1) CA2343212A1 (fr)
CZ (1) CZ20011042A3 (fr)
LU (1) LU90291B1 (fr)
PL (1) PL346835A1 (fr)
SK (1) SK3942001A3 (fr)
TR (1) TR200101480T2 (fr)
TW (1) TW459049B (fr)
WO (1) WO2000017404A1 (fr)
ZA (1) ZA200102128B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA77355C2 (en) 2002-12-23 2006-11-15 Method and apparatus for manufacturing molten iron
EP1905853A1 (fr) * 2006-09-29 2008-04-02 Paul Wurth S.A. Procédé de traitement thermique de résidus métalliques contaminés par des composés organiques et dispositif pour sa mise en oeuvre
LU91312B1 (en) * 2007-02-16 2008-08-18 Wurth Paul Sa Multiple hearth furnace
JP5601138B2 (ja) * 2010-10-14 2014-10-08 新日鐵住金株式会社 塊成化物の加熱方法
DE102016120833A1 (de) * 2016-11-02 2018-05-03 Thyssenkrupp Ag Etagenofen und Verfahren zum Betreiben eines Etagenofens

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE552837C (de) * 1927-06-21 1932-06-18 Paul Gredt Vorrichtung und Verfahren zum Verhuetten von aus Minette gewonnenen Oolithkoernern
FR717429A (fr) * 1930-12-03 1932-01-08 Trent Process Corp Procédé de réduction directe du minerai de fer
US2089782A (en) * 1934-12-14 1937-08-10 Industrimetoder Ab Process of producing sponge iron
DE1225673B (de) * 1959-07-23 1966-09-29 Kloeckner Humboldt Deutz Ag Verfahren zur trockenen Reduktion von Eisenerz
US3650830A (en) * 1969-06-30 1972-03-21 Nichols Eng & Res Corp Recovery system
DE2134977A1 (de) * 1971-07-13 1973-01-25 Atsukawa Masami Verfahren zum gewinnen von eisen ohne schmelzen des erzes und vorrichtung zur ausuebung des verfahrens
FR2250422A7 (en) * 1973-11-07 1975-05-30 Leur Ryan Indirect heater for basalt dust - has superimposed heater plates with spoked wheels revolving above them
GB2140141B (en) * 1983-05-20 1986-10-01 British Petroleum Co Plc Process and vacuum sublimation furnace for treatment of ores
DE3734892A1 (de) * 1987-10-15 1989-04-27 Egon Evertz Verfahren zur aufbereitung von huettenwerksstaeuben
LU87890A1 (de) * 1991-02-20 1992-11-16 Arbed Verfahren und vorrichtung zum gewinnen von metallen aus industrie-reststoffen

Also Published As

Publication number Publication date
PL346835A1 (en) 2002-02-25
TR200101480T2 (tr) 2001-09-21
SK3942001A3 (en) 2001-12-03
TW459049B (en) 2001-10-11
WO2000017404A1 (fr) 2000-03-30
CN1319143A (zh) 2001-10-24
AU6079499A (en) 2000-04-10
KR20010075318A (ko) 2001-08-09
BR9914460A (pt) 2001-05-22
EP1115890A1 (fr) 2001-07-18
ZA200102128B (en) 2002-06-14
CZ20011042A3 (cs) 2001-10-17
JP2002526652A (ja) 2002-08-20
LU90291B1 (de) 2000-03-24

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Legal Events

Date Code Title Description
FZDE Discontinued