ZA766339B - Method of reducing ores - Google Patents

Method of reducing ores

Info

Publication number
ZA766339B
ZA766339B ZA766339A ZA766339A ZA766339B ZA 766339 B ZA766339 B ZA 766339B ZA 766339 A ZA766339 A ZA 766339A ZA 766339 A ZA766339 A ZA 766339A ZA 766339 B ZA766339 B ZA 766339B
Authority
ZA
South Africa
Prior art keywords
reducing ores
ores
reducing
Prior art date
Application number
ZA766339A
Other languages
English (en)
Inventor
D Macrae
R Gold
P Cheplick
W Sandall
C Thompson
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 ZA766339B publication Critical patent/ZA766339B/xx

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
    • H05H1/3484—Convergent-divergent nozzles
    • 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
    • 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)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Plasma Technology (AREA)
  • Manufacture Of Iron (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
ZA766339A 1975-11-03 1976-10-25 Method of reducing ores ZA766339B (en)

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 (1)

Publication Number Publication Date
ZA766339B true ZA766339B (en) 1977-09-28

Family

ID=24516976

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA766339A ZA766339B (en) 1975-11-03 1976-10-25 Method of reducing ores

Country Status (7)

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

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099958A (en) * 1976-04-09 1978-07-11 Bethlehem Steel Corporation Method of producing vanadium
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
US4234334A (en) * 1979-01-10 1980-11-18 Bethlehem Steel Corporation Arc control in plasma arc reactors
CA1173784A (en) * 1981-07-30 1984-09-04 William H. Gauvin Transferred-arc plasma reactor for chemical and metallurgical applications
AT372977B (de) * 1982-01-19 1983-12-12 Voest Alpine Ag Verfahren und einrichtung zur reduktion von oxidhaeltigen feinteiligen erzen
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
IT1152984B (it) * 1982-06-22 1987-01-14 Samim Soc Azionaria Minero Met Procedimento per la produzione di una lega alluminio silicio da concentrati contenenti gli ossidi corrispondenti anche chimicamente tra loro e/o con altri ossidi metallici
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
DE3590837T1 (cs) * 1985-08-16 1987-07-16
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
WO1992015714A1 (en) * 1991-02-27 1992-09-17 Avny Industries Corporation Spólka Z O.O. Methods and chemo-thermal reactor apparatus for extracting mineral values from particulate materials
MX9200853A (es) * 1991-02-27 1992-10-30 Avny Ind Corp Spotka Z O O Avn Metodos y aparatos para la extraccion de valores minerales de materiales en particulas.
CA2047807A1 (fr) * 1991-07-24 1993-01-25 My Dung Nguyen Handfield Vitrification des cendres
US5374802A (en) * 1992-12-31 1994-12-20 Osram Sylvania Inc. Vortex arc generator and method of controlling the length of the arc
US5296670A (en) * 1992-12-31 1994-03-22 Osram Sylvania Inc. DC plasma arc generator with erosion control and method of operation
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
AU2011286470A1 (en) * 2010-08-03 2013-03-21 Xiaodi Huang Method and apparatus for coproduction of pig iron and high quality syngas
WO2012094743A1 (en) * 2011-01-14 2012-07-19 Atlantic Hydrogen Inc. Plasma reactor and method of operation thereof
CN104039437A (zh) * 2011-11-10 2014-09-10 先进磁工艺股份有限公司 高温反应器系统及用于在其中生产产物的方法
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 (en) * 2023-11-22 2025-05-30 Socpra Sciences Et Génie S.E.C. Plasma process for metal production

Family Cites Families (8)

* 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
FR1521720A (fr) * 1966-04-14 1968-04-19 Diamond Alkali Co Réacteurs à arc électrique
US3429691A (en) * 1966-08-19 1969-02-25 Aerojet General Co Plasma reduction of titanium dioxide
US3533756A (en) * 1966-11-15 1970-10-13 Hercules Inc Solids arc reactor method
DE2116445C3 (de) * 1971-04-03 1973-09-13 Fried. Krupp Gmbh, 4300 Essen Verfahren zur Erzeugung von Stahl
US3862834A (en) * 1971-04-03 1975-01-28 Krupp Gmbh Method for producing steel
BE791550A (fr) * 1971-11-20 1973-03-16 Max Planck Gesellschaft Procede et dispositif pour le traitement d'un materiau au moyendu plasma d'un arc electrique
DE2161651A1 (de) * 1971-12-11 1973-06-14 Erdmann Jesnitzer Friedrich Pr Vorrichtung zur kontinuierlichen auflegierung von schmelzen durch plasmawirkung

Also Published As

Publication number Publication date
FR2329753B1 (cs) 1980-08-01
SE7612171L (sv) 1977-05-04
DE2650324A1 (de) 1977-05-05
JPS5614121B2 (cs) 1981-04-02
US4002466A (en) 1977-01-11
CA1065794A (en) 1979-11-06
JPS5274515A (en) 1977-06-22
FR2329753A1 (fr) 1977-05-27

Similar Documents

Publication Publication Date Title
ZA766339B (en) Method of reducing ores
JPS5265202A (en) Method of improvement in separation of nnparaffin
JPS51122618A (en) Treating method of nickel ore
JPS5235102A (en) Method of selecting ore of nonnsulfide mineral
JPS529601A (en) Method of mining ore
JPS5249997A (en) Method of oxidizing titaniumm containing ore
JPS5236681A (en) Recovering method of epsilonncaprolactam
JPS5280987A (en) Method of forming can
JPS5280397A (en) Popymerization method of epsilonncaprolactam
JPS5230233A (en) Melttplating method of aluminummzing alloy
JPS527140A (en) Method of reclamation
ZA763218B (en) Method of eliminating impurities on cards
JPS5265157A (en) Method of rolling
JPS5226302A (en) Method of preeheating pellet
JPS5250560A (en) Method of forming throughhhole
JPS5275836A (en) Method of forming tunnel
JPS5224962A (en) Method of colddrolling
JPS51145588A (en) Method of continuous phtoopolymerization
JPS5262132A (en) Method of making ingot
JPS5286913A (en) Concentration of tinaium ore
JPS5218757A (en) Compound and method of cohting
JPS5251069A (en) Isorating method of steviocide
JPS5247961A (en) Isorating method of steviocide
JPS51148004A (en) Method of rendering nonnconbustible
JPS5276454A (en) Method of processing euphausiid