JPS5614121B2 - - Google Patents
Info
- Publication number
- JPS5614121B2 JPS5614121B2 JP13224576A JP13224576A JPS5614121B2 JP S5614121 B2 JPS5614121 B2 JP S5614121B2 JP 13224576 A JP13224576 A JP 13224576A JP 13224576 A JP13224576 A JP 13224576A JP S5614121 B2 JPS5614121 B2 JP S5614121B2
- Authority
- JP
- Japan
- 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.)
- Expired
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
- H05H1/3452—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
- H05H1/3436—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
- H05H1/3484—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)
- 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)
- Furnace Details (AREA)
- Manufacture Of Iron (AREA)
- Plasma Technology (AREA)
- Discharge Heating (AREA)
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 |
|---|---|
| JPS5274515A JPS5274515A (en) | 1977-06-22 |
| JPS5614121B2 true JPS5614121B2 (enEXAMPLES) | 1981-04-02 |
Family
ID=24516976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51132245A Granted JPS5274515A (en) | 1975-11-03 | 1976-11-02 | Method and apparatus for ore reduction |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4002466A (enEXAMPLES) |
| JP (1) | JPS5274515A (enEXAMPLES) |
| CA (1) | CA1065794A (enEXAMPLES) |
| DE (1) | DE2650324A1 (enEXAMPLES) |
| FR (1) | FR2329753A1 (enEXAMPLES) |
| SE (1) | SE7612171L (enEXAMPLES) |
| ZA (1) | ZA766339B (enEXAMPLES) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4099958A (en) * | 1976-04-09 | 1978-07-11 | Bethlehem Steel Corporation | Method of producing vanadium |
| US4148628A (en) * | 1977-02-18 | 1979-04-10 | Toyo Soda Manufacturing 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 |
| DE3590837C2 (enEXAMPLES) * | 1985-08-16 | 1988-10-06 | Belorusskij Technologiceskij Institut Imeni S.M. Kirova, Minsk, Su | |
| 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 |
| 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 |
| 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 |
| WO2010037237A1 (en) * | 2008-10-03 | 2010-04-08 | Atlantic Hydrogen Inc. | Apparatus and method for effecting plasma-based reactions |
| MX2013001378A (es) * | 2010-08-03 | 2014-01-31 | Hwang Jiannyang | Metodo y aparato para co-produccion de arrabio y gas de sintesis de alta calidad. |
| WO2012094743A1 (en) * | 2011-01-14 | 2012-07-19 | Atlantic Hydrogen Inc. | Plasma reactor and method of operation thereof |
| WO2013071289A1 (en) * | 2011-11-10 | 2013-05-16 | Advanced Magnetic Processes Inc. | High temperature reactor system and method for producing a product therein |
| WO2014030369A1 (ja) * | 2012-08-22 | 2014-02-27 | 日本エクス・クロン株式会社 | 超音速気流によるアルミナ、マグネシアの還元方法 |
| 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)
| 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 |
| US3862834A (en) * | 1971-04-03 | 1975-01-28 | Krupp Gmbh | Method for producing steel |
| DE2116445C3 (de) * | 1971-04-03 | 1973-09-13 | Fried. Krupp Gmbh, 4300 Essen | Verfahren zur Erzeugung von Stahl |
| 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 |
-
1975
- 1975-11-03 US US05/627,993 patent/US4002466A/en not_active Expired - Lifetime
-
1976
- 1976-10-25 ZA ZA766339A patent/ZA766339B/xx unknown
- 1976-10-28 CA CA264,377A patent/CA1065794A/en not_active Expired
- 1976-11-02 SE SE7612171A patent/SE7612171L/ not_active Application Discontinuation
- 1976-11-02 FR FR7633007A patent/FR2329753A1/fr active Granted
- 1976-11-02 JP JP51132245A patent/JPS5274515A/ja active Granted
- 1976-11-02 DE DE19762650324 patent/DE2650324A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE7612171L (sv) | 1977-05-04 |
| CA1065794A (en) | 1979-11-06 |
| FR2329753B1 (enEXAMPLES) | 1980-08-01 |
| DE2650324A1 (de) | 1977-05-05 |
| JPS5274515A (en) | 1977-06-22 |
| FR2329753A1 (fr) | 1977-05-27 |
| ZA766339B (en) | 1977-09-28 |
| US4002466A (en) | 1977-01-11 |