DE69423749T2 - Ofenausrüstung - Google Patents

Ofenausrüstung

Info

Publication number
DE69423749T2
DE69423749T2 DE69423749T DE69423749T DE69423749T2 DE 69423749 T2 DE69423749 T2 DE 69423749T2 DE 69423749 T DE69423749 T DE 69423749T DE 69423749 T DE69423749 T DE 69423749T DE 69423749 T2 DE69423749 T2 DE 69423749T2
Authority
DE
Germany
Prior art keywords
furnace
arc
electrode
elements
pulse
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.)
Expired - Fee Related
Application number
DE69423749T
Other languages
German (de)
English (en)
Other versions
DE69423749D1 (de
Inventor
Lennart Aengquist
Lars Paulsson
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.)
ABB AB
Original Assignee
ABB AB
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 ABB AB filed Critical ABB AB
Publication of DE69423749D1 publication Critical patent/DE69423749D1/de
Application granted granted Critical
Publication of DE69423749T2 publication Critical patent/DE69423749T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H05B7/02—Details
    • H05B7/144—Power supplies specially adapted for heating by electric discharge; Automatic control of power, e.g. by positioning of electrodes
    • H05B7/148—Automatic control of power
    • 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
    • F27B3/00—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; Electric arc furnaces ; Tank furnaces heated electrically, with or without any other source of heat
    • F27B3/085—Arc furnaces
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • 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
    • Y02P10/25—Process efficiency

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Control Of Electrical Variables (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Vending Machines For Individual Products (AREA)
  • Furnace Details (AREA)
  • Arc Welding Control (AREA)
DE69423749T 1993-03-18 1994-01-31 Ofenausrüstung Expired - Fee Related DE69423749T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9300897A SE501025C2 (sv) 1993-03-18 1993-03-18 Ugnsutrustning
PCT/SE1994/000072 WO1994022279A1 (en) 1993-03-18 1994-01-31 Furnace equipment

Publications (2)

Publication Number Publication Date
DE69423749D1 DE69423749D1 (de) 2000-05-04
DE69423749T2 true DE69423749T2 (de) 2000-11-09

Family

ID=20389269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423749T Expired - Fee Related DE69423749T2 (de) 1993-03-18 1994-01-31 Ofenausrüstung

Country Status (9)

Country Link
US (1) US5583883A (enExample)
EP (1) EP0691068B1 (enExample)
CN (1) CN1056719C (enExample)
AT (1) ATE191310T1 (enExample)
DE (1) DE69423749T2 (enExample)
ES (1) ES2147785T3 (enExample)
SE (1) SE501025C2 (enExample)
TW (1) TW255008B (enExample)
WO (1) WO1994022279A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013227190A1 (de) * 2013-12-27 2015-07-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur stabilen Lichtbogenerzeugung und insbesondere zur Erhöhung des Wirkleistungseintrags bei einem Elektrolichtbogenofen

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5991327A (en) * 1995-10-26 1999-11-23 Inverpower Controls Ltd. Smart predictive line controller for AC and DC electric arc furnaces
RU2163423C1 (ru) * 1999-06-09 2001-02-20 Тульский государственный университет Способ определения параметров индуктивного взаимодействия между фазами трехэлектродной электропечи
US6274851B1 (en) 1999-08-31 2001-08-14 Inverpower Controls Ltd. Electric arc furnace controller
ES2172433B1 (es) * 2000-10-19 2003-06-16 Ferroatlantica Sl Equipo multifrecuencia detector del estado de los electrodos en los hornos de arco electrico.
US6687284B1 (en) * 1999-11-16 2004-02-03 Centre d'Innovation sur le Transport d'Energie du Québec Method and apparatus to facilitate restriking in an arc-furnace
EP1232676B1 (en) * 1999-11-16 2006-09-13 Hydro-Quebec Method and apparatus to facilitate restriking in an arc-furnace
EP1375628A3 (en) * 2000-01-21 2004-12-08 Integrated Environmental Technologies, Llc. Methods and apparatus for treating waste
EP1795049B1 (en) 2004-09-01 2016-03-09 Hatch Ltd. System and method for minimizing loss of electrical conduction during input of feed material to a furnace
US20080056327A1 (en) * 2006-08-30 2008-03-06 Hatch Ltd. Method and system for predictive electrode lowering in a furnace
CN105259439A (zh) * 2015-10-19 2016-01-20 湖北华宏电力科技有限公司 矿热炉熔池运行电气参数在线检测装置
EP3297403A1 (de) * 2016-09-15 2018-03-21 Primetals Technologies Germany GmbH Umrichtergespeister lichtbogenofen mit kondensatoranordnung im sekundärkreis
CN209844851U (zh) * 2018-02-11 2019-12-24 于文 新型直流冶炼电炉

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2250711C3 (de) * 1972-10-16 1978-06-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Steuerbare Stromversorgungsanlage für einen Lichtbogen-Schmelzofen
FR2462079A1 (fr) * 1979-07-19 1981-02-06 Cem Comp Electro Mec Procede et dispositif de regulation d'arc sur les fours a arc
US4677643A (en) * 1984-03-09 1987-06-30 Licentia Patent-Verwaltungs-Gmbh Device for feeding one or a plurality of electrodes in an electrothermal furnace
DE3512177C2 (de) * 1985-04-03 1997-01-16 Mannesmann Ag Verfahren zur Symmetrierung elektrischer Größen in Drehstrom-Lichtbogenöfen und Vorrichtung zur Durchführung des Verfahrens
DE3544005A1 (de) * 1985-12-13 1987-06-19 Leybold Heraeus Gmbh & Co Kg Einrichtung zum regeln des abstandes einer schmelzelektrode zur oberflaeche des schmelzguts in einem vakuumlichtbogenofen
CA2030686C (en) * 1989-11-30 1999-10-05 Gianni Gensini Direct-arc electric furnace fed with controlled current and method to feed a direct-arc furnace with controlled current
US5155740A (en) * 1990-10-22 1992-10-13 Nkk Corporation Flicker compensating apparatus for DC arc furnace
DE4309640A1 (de) * 1993-03-25 1994-09-29 Abb Management Ag Gleichstrom-Lichtbogenofenanlage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013227190A1 (de) * 2013-12-27 2015-07-02 Siemens Aktiengesellschaft Vorrichtung und Verfahren zur stabilen Lichtbogenerzeugung und insbesondere zur Erhöhung des Wirkleistungseintrags bei einem Elektrolichtbogenofen

Also Published As

Publication number Publication date
EP0691068A1 (en) 1996-01-10
ES2147785T3 (es) 2000-10-01
SE9300897L (sv) 1994-09-19
SE9300897D0 (sv) 1993-03-18
CN1056719C (zh) 2000-09-20
CN1122180A (zh) 1996-05-08
US5583883A (en) 1996-12-10
WO1994022279A1 (en) 1994-09-29
EP0691068B1 (en) 2000-03-29
SE501025C2 (sv) 1994-10-24
TW255008B (enExample) 1995-08-21
DE69423749D1 (de) 2000-05-04
ATE191310T1 (de) 2000-04-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee