FR2321226A1 - Systeme d'appareils de chauffage a arc fonctionnant en courant polyphase - Google Patents

Systeme d'appareils de chauffage a arc fonctionnant en courant polyphase

Info

Publication number
FR2321226A1
FR2321226A1 FR7624105A FR7624105A FR2321226A1 FR 2321226 A1 FR2321226 A1 FR 2321226A1 FR 7624105 A FR7624105 A FR 7624105A FR 7624105 A FR7624105 A FR 7624105A FR 2321226 A1 FR2321226 A1 FR 2321226A1
Authority
FR
France
Prior art keywords
heating unit
unit system
current arc
arc heating
polyphase current
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
FR7624105A
Other languages
English (en)
French (fr)
Other versions
FR2321226B1 (enExample
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.)
Westinghouse Electric Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of FR2321226A1 publication Critical patent/FR2321226A1/fr
Application granted granted Critical
Publication of FR2321226B1 publication Critical patent/FR2321226B1/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
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/12—Making spongy iron or liquid steel, by direct processes in electric furnaces
    • 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
    • C22B4/08—Apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00—Heating by electric discharge
    • H05B7/18—Heating by arc discharge
    • H05B7/20—Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated
    • 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)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
  • Manufacture And Refinement Of Metals (AREA)
FR7624105A 1975-08-11 1976-08-06 Systeme d'appareils de chauffage a arc fonctionnant en courant polyphase Granted FR2321226A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/603,579 US4013867A (en) 1975-08-11 1975-08-11 Polyphase arc heater system

Publications (2)

Publication Number Publication Date
FR2321226A1 true FR2321226A1 (fr) 1977-03-11
FR2321226B1 FR2321226B1 (enExample) 1981-06-26

Family

ID=24416043

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7624105A Granted FR2321226A1 (fr) 1975-08-11 1976-08-06 Systeme d'appareils de chauffage a arc fonctionnant en courant polyphase

Country Status (6)

Country Link
US (1) US4013867A (enExample)
JP (1) JPS593838B2 (enExample)
CA (1) CA1060107A (enExample)
DE (1) DE2634615A1 (enExample)
FR (1) FR2321226A1 (enExample)
GB (1) GB1559878A (enExample)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4145403A (en) * 1977-09-29 1979-03-20 Fey Maurice G Arc heater method for producing metal oxides
US4247732A (en) * 1979-08-21 1981-01-27 Westinghouse Electric Corp. Method and apparatus for electrically firing an iron blast furnace
GB2111772B (en) 1981-12-10 1985-09-18 Tioxide Group Plc Electric arc discharge apparatus
SE451756B (sv) * 1984-10-19 1987-10-26 Skf Steel Eng Ab Plasmageneratorinstallation i schaktugn
JPH0622719B2 (ja) * 1985-05-13 1994-03-30 小野田セメント株式会社 複ト−チ型プラズマ溶射方法及びその装置
US4630924A (en) * 1985-07-29 1986-12-23 The Dow Chemical Company Conical DC plasma emission source
SE462070B (sv) * 1986-08-11 1990-04-30 Skf Steel Eng Ab Saett att kontinuerligt oeverhetta stora gasfloeden
GB2271124B (en) * 1990-12-26 1995-09-27 Opa Method and apparatus for plasma treatment of a material
US5801489A (en) * 1996-02-07 1998-09-01 Paul E. Chism, Jr. Three-phase alternating current plasma generator
US5767627A (en) * 1997-01-09 1998-06-16 Trusi Technologies, Llc Plasma generation and plasma processing of materials
US6781087B1 (en) 2000-01-18 2004-08-24 Scientific Utilization, Inc. Three-phase plasma generator having adjustable electrodes
RU2231936C1 (ru) * 2002-11-29 2004-06-27 Рутберг Филипп Григорьевич Трехфазный генератор плазмы переменного тока
US7232975B2 (en) * 2003-12-02 2007-06-19 Battelle Energy Alliance, Llc Plasma generators, reactor systems and related methods
US7135653B2 (en) * 2003-12-09 2006-11-14 Rutberg Alexander P Multi-phase alternating current plasma generator
US7741577B2 (en) * 2006-03-28 2010-06-22 Battelle Energy Alliance, Llc Modular hybrid plasma reactor and related systems and methods
US7411353B1 (en) * 2007-05-11 2008-08-12 Rutberg Alexander P Alternating current multi-phase plasma gas generator with annular electrodes
US8536481B2 (en) 2008-01-28 2013-09-17 Battelle Energy Alliance, Llc Electrode assemblies, plasma apparatuses and systems including electrode assemblies, and methods for generating plasma
US10208263B2 (en) 2015-08-27 2019-02-19 Cogent Energy Systems, Inc. Modular hybrid plasma gasifier for use in converting combustible material to synthesis gas
US10926238B2 (en) 2018-05-03 2021-02-23 Cogent Energy Systems, Inc. Electrode assembly for use in a plasma gasifier that converts combustible material to synthesis gas
US11745283B2 (en) * 2019-08-27 2023-09-05 Illinois Tool Works Inc. Methods for wire surface oxidation removal and/or wire preheating using polyphase electric arc preheating

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1396484A (fr) * 1964-03-12 1965-04-23 Siderurgie Fse Inst Rech Perfectionnements aux fours de fusion à arc
US3197810A (en) * 1961-10-09 1965-08-03 Oesterr Studien Atomenergie Method and an apparatus for manufacturing ball-shaped particles
GB1238239A (enExample) * 1968-10-07 1971-07-07
FR2069405A5 (enExample) * 1969-11-14 1971-09-03 Humphreys Corp
FR2163565A1 (enExample) * 1971-12-15 1973-07-27 Westinghouse Electric Corp
BE829239R (fr) * 1975-05-20 1975-09-15 Installation pour l'obtention d'un plasma a haute temperature
FR2312169A2 (fr) * 1975-05-20 1976-12-17 Arcos Soudure Elect Autogene Installations pour l'obtention de plasma a haute temperature

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1230937B (de) * 1955-07-26 1966-12-22 Union Carbide Corp Verfahren zum Schmelzen von reaktiven, mindestens bei erhoehter Temperatur elektrisch leitenden Stoffen
US3389189A (en) * 1965-04-06 1968-06-18 Westinghouse Electric Corp Method and equipment for the pyrolysis and synthesis of hydrocarbons and other gasesand arc heater apparatus for use therein
US3422206A (en) * 1965-04-07 1969-01-14 Union Carbide Corp Method and apparatus for melting metal in an electric furnace
CA919529A (en) * 1969-03-19 1973-01-23 R. P. J. F. M. C. Schoumaker Henry Installation de plasma
US3705975A (en) * 1970-03-02 1972-12-12 Westinghouse Electric Corp Self-stabilizing arc heater apparatus
US3770935A (en) * 1970-12-25 1973-11-06 Rikagaku Kenkyusho Plasma jet generator

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3197810A (en) * 1961-10-09 1965-08-03 Oesterr Studien Atomenergie Method and an apparatus for manufacturing ball-shaped particles
FR1396484A (fr) * 1964-03-12 1965-04-23 Siderurgie Fse Inst Rech Perfectionnements aux fours de fusion à arc
GB1238239A (enExample) * 1968-10-07 1971-07-07
FR2069405A5 (enExample) * 1969-11-14 1971-09-03 Humphreys Corp
FR2163565A1 (enExample) * 1971-12-15 1973-07-27 Westinghouse Electric Corp
BE829239R (fr) * 1975-05-20 1975-09-15 Installation pour l'obtention d'un plasma a haute temperature
FR2312169A2 (fr) * 1975-05-20 1976-12-17 Arcos Soudure Elect Autogene Installations pour l'obtention de plasma a haute temperature

Also Published As

Publication number Publication date
DE2634615A1 (de) 1977-02-24
US4013867A (en) 1977-03-22
CA1060107A (en) 1979-08-07
JPS5220452A (en) 1977-02-16
JPS593838B2 (ja) 1984-01-26
FR2321226B1 (enExample) 1981-06-26
GB1559878A (en) 1980-01-30

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Legal Events

Date Code Title Description
ST Notification of lapse