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FR2329753A1 - Procede de reduction de minerais - Google Patents

Procede de reduction de minerais

Info

Publication number
FR2329753A1
FR2329753A1 FR7633007A FR7633007A FR2329753A1 FR 2329753 A1 FR2329753 A1 FR 2329753A1 FR 7633007 A FR7633007 A FR 7633007A FR 7633007 A FR7633007 A FR 7633007A FR 2329753 A1 FR2329753 A1 FR 2329753A1
Authority
FR
France
Prior art keywords
reduction process
mineral reduction
mineral
reduction
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
FR7633007A
Other languages
English (en)
Other versions
FR2329753B1 (fr
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.)
Bethlehem Steel Corp
Original Assignee
Bethlehem Steel Corp
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 Bethlehem Steel Corp filed Critical Bethlehem Steel Corp
Publication of FR2329753A1 publication Critical patent/FR2329753A1/fr
Application granted granted Critical
Publication of FR2329753B1 publication Critical patent/FR2329753B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B5/00—Making pig-iron in the blast furnace
    • C21B5/001—Injecting additional fuel or reducing agents
    • C21B5/002—Heated electrically (plasma)
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • C22B4/005—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys using plasma jets
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3405—Arrangements for stabilising or constricting the arc, e.g. by an additional gas flow
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3436—Hollow cathodes with internal coolant flow
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3442—Cathodes with inserted tip
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3452—Supplementary electrodes between cathode and anode, e.g. cascade
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
    • H05H1/00—Generating plasma; Handling plasma
    • H05H1/24—Generating plasma
    • H05H1/26—Plasma torches
    • H05H1/32—Plasma torches using an arc
    • H05H1/34—Details, e.g. electrodes, nozzles
    • H05H1/3484—Convergent-divergent nozzles
    • 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
    • Y02P10/143—Reduction of greenhouse gas [GHG] emissions of methane [CH4]

Landscapes

  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
  • Plasma Technology (AREA)
  • Discharge Heating (AREA)
FR7633007A 1975-11-03 1976-11-02 Procede de reduction de minerais Granted FR2329753A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/627,993 US4002466A (en) 1975-11-03 1975-11-03 Method of reducing ores

Publications (2)

Publication Number Publication Date
FR2329753A1 true FR2329753A1 (fr) 1977-05-27
FR2329753B1 FR2329753B1 (fr) 1980-08-01

Family

ID=24516976

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7633007A Granted FR2329753A1 (fr) 1975-11-03 1976-11-02 Procede de reduction de minerais

Country Status (7)

Country Link
US (1) US4002466A (fr)
JP (1) JPS5274515A (fr)
CA (1) CA1065794A (fr)
DE (1) DE2650324A1 (fr)
FR (1) FR2329753A1 (fr)
SE (1) SE7612171L (fr)
ZA (1) ZA766339B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347448A1 (fr) * 1976-04-09 1977-11-04 Bethlehem Steel Corp Procede pour reduire des oxydes de vanadium
FR2446581A1 (fr) * 1979-01-10 1980-08-08 Bethlehem Steel Corp Procede pour commander l'arc dans un reacteur a arc de plasma
FR2527635A1 (fr) * 1982-05-27 1983-12-02 Proizv Ob Procede de fabrication de cobalt
FR2528872A1 (fr) * 1982-06-16 1983-12-23 Proizyodstvennoe Ob Pro Procede de fabrication du nickel metallique a partir d'une matiere premiere oxydee nickelifere
EP0097993A1 (fr) * 1982-06-22 1984-01-11 SAMIM Società Azionaria Minero-Metallurgica S.p.A. Procédé pour la fabrication d'un alliage aluminium-silicium à partir de leucite
WO1987001137A1 (fr) * 1985-08-16 1987-02-26 Belorussky Tekhnologichesky Institut Imeni S.M.Kir Procede et dispositif de traitement d'une coulee

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1548123A (en) * 1977-02-18 1979-07-04 Toyo Soda Mfg Co Ltd Process of producing metallic chromium
DE2900649C2 (de) * 1979-01-09 1985-07-04 Karlovitz, Bela Verfahren zur thermischen Reduktion von Metalloxiden
CA1173784A (fr) * 1981-07-30 1984-09-04 William H. Gauvin Reacteur a transport d'arc au plasma pour la chimie et la metallurgie
AT372977B (de) * 1982-01-19 1983-12-12 Voest Alpine Ag Verfahren und einrichtung zur reduktion von oxidhaeltigen feinteiligen erzen
DE3236037A1 (de) * 1982-09-29 1984-03-29 Chemische Werke Hüls AG, 4370 Marl Verfahren und vorrichtung zum erzeugen heisser gase
SE451882B (sv) * 1984-12-03 1987-11-02 Skf Steel Eng Ab Anordning for underlettande av anslutning av brennare, t ex plasmagenerator, till reaktorformor vid schaktugnar for metalloxidreduktion
FR2581395B1 (fr) * 1985-05-06 1992-09-18 Siderurgie Fse Inst Rech Dispositif d'injection de matieres solides divisees dans un four, notamment un haut fourneau siderurgique, et applications
US4761793A (en) * 1987-05-08 1988-08-02 Electric Power Research Institute Plasma fired feed nozzle
US5017754A (en) * 1989-08-29 1991-05-21 Hydro Quebec Plasma reactor used to treat powder material at very high temperatures
AU7494591A (en) * 1991-02-27 1992-10-06 Avny Industries Corporation Spolka Z O.O. Methods and apparatus for extracting mineral values from particulate materials
WO1992015714A1 (fr) * 1991-02-27 1992-09-17 Avny Industries Corporation Spólka Z O.O. Procedes et appareil de reaction chimico-thermique destines a extraire des mineraux de materiaux particulaires
CA2047807A1 (fr) * 1991-07-24 1993-01-25 My Dung Nguyen Handfield Vitrification des cendres
US5296670A (en) * 1992-12-31 1994-03-22 Osram Sylvania Inc. DC plasma arc generator with erosion control and method of operation
US5374802A (en) * 1992-12-31 1994-12-20 Osram Sylvania Inc. Vortex arc generator and method of controlling the length of the arc
RS49706B (sr) * 2000-02-24 2007-12-31 Miroljub Vilotijević Jednosmerni lučni plazma generator sa ulaznom volt- amperskom karakteristikom
US7458765B2 (en) * 2005-09-23 2008-12-02 Fraunhofer Usa Diamond hard coating of ferrous substrates
RU2360975C2 (ru) * 2007-06-21 2009-07-10 Ооо "Твинн" Способ прямого восстановления железа и устройство для его осуществления (варианты)
KR100910875B1 (ko) * 2008-03-21 2009-08-06 한국기계연구원 플라즈마 스크러버
US20110239542A1 (en) * 2008-10-03 2011-10-06 Atlantic Hydrogen Inc. Apparatus and method for effecting plasma-based reactions
US8764875B2 (en) * 2010-08-03 2014-07-01 Xiaodi Huang Method and apparatus for coproduction of pig iron and high quality syngas
WO2012094743A1 (fr) * 2011-01-14 2012-07-19 Atlantic Hydrogen Inc. Réacteur à plasma et procédé de fonctionnement associé
US20130118304A1 (en) * 2011-11-10 2013-05-16 Advanced Magnetic Processes Inc. High Temperature Reactor System and Method for Producing a Product Therein
US9617620B2 (en) * 2012-08-22 2017-04-11 Japan Expert Clone Corporation Method for reducing alumina or magnesia by utilizing supersonic gas flow
DE102017112821A1 (de) * 2017-06-12 2018-12-13 Kjellberg-Stiftung Elektroden für gas- und flüssigkeitsgekühlte Plasmabrenner, Anordnung aus einer Elektrode und einem Kühlrohr, Gasführung, Plasmabrenner, Verfahren zur Gasführung in einem Plasmabrenner und Verfahren zum Betreiben eines Plasmabrenners
US10704121B1 (en) * 2019-08-22 2020-07-07 Capital One Services, Llc Systems and methods for lowering the reduction of iron ore energy
WO2025107075A1 (fr) * 2023-11-22 2025-05-30 Socpra Sciences Et Génie S.E.C. Traitement au plasma pour la production de métaux

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521720A (fr) * 1966-04-14 1968-04-19 Diamond Alkali Co Réacteurs à arc électrique
FR1549593A (fr) * 1966-11-15 1968-12-13
FR2132330A1 (fr) * 1971-04-03 1972-11-17 Krupp Gmbh
DE2161651A1 (de) * 1971-12-11 1973-06-14 Erdmann Jesnitzer Friedrich Pr Vorrichtung zur kontinuierlichen auflegierung von schmelzen durch plasmawirkung
FR2160519A1 (fr) * 1971-11-20 1973-06-29 Max Planck Gesellschaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3390979A (en) * 1963-01-14 1968-07-02 Albert E. Greene Direct steel making process
US3429691A (en) * 1966-08-19 1969-02-25 Aerojet General Co Plasma reduction of titanium dioxide
US3862834A (en) * 1971-04-03 1975-01-28 Krupp Gmbh Method for producing steel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1521720A (fr) * 1966-04-14 1968-04-19 Diamond Alkali Co Réacteurs à arc électrique
FR1549593A (fr) * 1966-11-15 1968-12-13
FR2132330A1 (fr) * 1971-04-03 1972-11-17 Krupp Gmbh
FR2160519A1 (fr) * 1971-11-20 1973-06-29 Max Planck Gesellschaft
DE2161651A1 (de) * 1971-12-11 1973-06-14 Erdmann Jesnitzer Friedrich Pr Vorrichtung zur kontinuierlichen auflegierung von schmelzen durch plasmawirkung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347448A1 (fr) * 1976-04-09 1977-11-04 Bethlehem Steel Corp Procede pour reduire des oxydes de vanadium
FR2446581A1 (fr) * 1979-01-10 1980-08-08 Bethlehem Steel Corp Procede pour commander l'arc dans un reacteur a arc de plasma
FR2527635A1 (fr) * 1982-05-27 1983-12-02 Proizv Ob Procede de fabrication de cobalt
FR2528872A1 (fr) * 1982-06-16 1983-12-23 Proizyodstvennoe Ob Pro Procede de fabrication du nickel metallique a partir d'une matiere premiere oxydee nickelifere
EP0097993A1 (fr) * 1982-06-22 1984-01-11 SAMIM Società Azionaria Minero-Metallurgica S.p.A. Procédé pour la fabrication d'un alliage aluminium-silicium à partir de leucite
WO1987001137A1 (fr) * 1985-08-16 1987-02-26 Belorussky Tekhnologichesky Institut Imeni S.M.Kir Procede et dispositif de traitement d'une coulee

Also Published As

Publication number Publication date
SE7612171L (sv) 1977-05-04
US4002466A (en) 1977-01-11
JPS5274515A (en) 1977-06-22
DE2650324A1 (de) 1977-05-05
CA1065794A (fr) 1979-11-06
JPS5614121B2 (fr) 1981-04-02
ZA766339B (en) 1977-09-28
FR2329753B1 (fr) 1980-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse