DE69420115T2 - Gleichstromlichtbogenofen - Google Patents

Gleichstromlichtbogenofen

Info

Publication number
DE69420115T2
DE69420115T2 DE69420115T DE69420115T DE69420115T2 DE 69420115 T2 DE69420115 T2 DE 69420115T2 DE 69420115 T DE69420115 T DE 69420115T DE 69420115 T DE69420115 T DE 69420115T DE 69420115 T2 DE69420115 T2 DE 69420115T2
Authority
DE
Germany
Prior art keywords
arc
current
voltage
furnace
conductors
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 - Lifetime
Application number
DE69420115T
Other languages
German (de)
English (en)
Other versions
DE69420115D1 (de
Inventor
Kunji Maebou
Shinobu Nakajima
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.)
IHI Corp
Original Assignee
Ishikawajima Harima Heavy Industries Co Ltd
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 Ishikawajima Harima Heavy Industries Co Ltd filed Critical Ishikawajima Harima Heavy Industries Co Ltd
Application granted granted Critical
Publication of DE69420115D1 publication Critical patent/DE69420115D1/de
Publication of DE69420115T2 publication Critical patent/DE69420115T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H05B7/11—Arrangements for conducting current to the electrode terminals
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B11/00—Making pig-iron other than in blast furnaces
    • C21B11/10—Making pig-iron other than in blast furnaces in electric furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52—Manufacture of steel in electric furnaces
    • C21C5/5229—Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • 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
    • 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
    • H05B7/156—Automatic control of power by hydraulic or pneumatic means for positioning of electrodes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D99/00—Subject matter not provided for in other groups of this subclass
    • F27D99/0001—Heating elements or systems
    • F27D99/0006—Electric heating elements or system
    • F27D2099/0021—Arc heating
    • F27D2099/0023—DC arc heating
    • 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
    • Y02P10/20—Recycling
    • 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)
  • Chemical & Material Sciences (AREA)
  • Metallurgy (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
  • Furnace Details (AREA)
  • Air Bags (AREA)
DE69420115T 1993-04-15 1994-04-14 Gleichstromlichtbogenofen Expired - Lifetime DE69420115T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP08880293A JP3424259B2 (ja) 1993-04-15 1993-04-15 直流アーク炉
PCT/JP1994/000616 WO1994024504A1 (fr) 1993-04-15 1994-04-14 Four a arc cc

Publications (2)

Publication Number Publication Date
DE69420115D1 DE69420115D1 (de) 1999-09-23
DE69420115T2 true DE69420115T2 (de) 1999-12-16

Family

ID=13953010

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69420115T Expired - Lifetime DE69420115T2 (de) 1993-04-15 1994-04-14 Gleichstromlichtbogenofen

Country Status (10)

Country Link
US (1) US5590152A (enExample)
EP (1) EP0657710B1 (enExample)
JP (1) JP3424259B2 (enExample)
KR (1) KR0163969B1 (enExample)
CN (1) CN1089430C (enExample)
CA (1) CA2135496C (enExample)
DE (1) DE69420115T2 (enExample)
ES (1) ES2137363T3 (enExample)
TW (1) TW263649B (enExample)
WO (1) WO1994024504A1 (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6466605B1 (en) * 2000-06-20 2002-10-15 Electro-Pyrolysis, Inc. Concentric electrode DC arc system and their use in processing waste materials
AT407939B (de) * 1994-12-02 2001-07-25 Voest Alpine Ind Anlagen Gleichstrom-lichtbogenofen
DE29602191U1 (de) * 1996-02-08 1996-03-21 Badische Stahl-Engineering GmbH, 77694 Kehl Bodenelektrode
CN100385191C (zh) * 2004-12-21 2008-04-30 大连理工大学 一种制备氧化镁晶体的控温电弧炉
CN101782321B (zh) * 2010-01-27 2012-09-05 上海金自天正信息技术有限公司 一种直流电弧炉电极自动调节装置及其控制方法
US10271998B2 (en) 2011-06-03 2019-04-30 The Procter & Gamble Company Sensor systems comprising anti-choking features
US20130128913A1 (en) * 2011-11-04 2013-05-23 Warner Power, Llc. Electrically powered industrial furnaces having multiple individually controllable power supplies and shortened cabling requirements
JP5880303B2 (ja) * 2012-06-18 2016-03-09 日本電気硝子株式会社 電気熔融炉の制御システム、及び電気熔融炉の制御システムを用いたガラス製造方法
JP7098479B2 (ja) * 2017-11-08 2022-07-11 謙三 高橋 金属製品製造装置及び金属製品製造方法
CN112074257A (zh) 2018-05-04 2020-12-11 宝洁公司 用于监控婴儿基本需求的传感器装置和系统
DE102018115815B4 (de) * 2018-06-29 2025-07-17 Amorphous Metal Solutions GmbH Vorrichtung und Verfahren zur Herstellung eines aus einem amorphen oder teilamorphen Metall gebildeten Gussteils
US11051996B2 (en) 2018-08-27 2021-07-06 The Procter & Gamble Company Sensor devices and systems for monitoring the basic needs of an infant
WO2021105808A1 (en) * 2019-11-27 2021-06-03 Frederik Petrus Greyling Dc brush-arc furnace with arc deflection compensation
JP7758017B2 (ja) * 2023-06-12 2025-10-22 Ｊｆｅスチール株式会社 電気炉の炉内温度計測方法、電気炉の炉内温度計測装置、電気炉の制御方法、電気炉の制御装置、電気炉の炉内温度計測プログラム、電気炉の炉内温度計測プログラムを格納したコンピュータ読取可能な記憶媒体、及び金属材料の製造方法
CN116907204B (zh) * 2023-09-08 2023-11-28 山西吕梁山矿产品有限公司 一种冶炼棕刚玉的装置及方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5647505A (en) * 1979-09-22 1981-04-30 Nippon Tungsten Co Ltd Mechanical sieal ring and preparation thereof
DE3123297A1 (de) * 1981-06-12 1983-01-05 Brown, Boveri & Cie Ag, 6800 Mannheim Regeleinrichtung fuer einen gleichstrom-lichtbogenofen
SE452542B (sv) * 1983-04-21 1987-11-30 Asea Ab Likstroms-ljusbagsugn
SE452840B (sv) * 1983-10-31 1987-12-14 Asea Ab Reglersystem for likstroms-ljusbagsugnar
SE452990B (sv) * 1985-06-28 1988-01-04 Asea Ab Sett for framstellning av stal i en ljusbagsugn forsedd med elektrod med genomgaende kanal
FR2611876B1 (fr) 1987-03-04 1989-08-04 Clecim Sa Four electrique a courant continu
FI79560B (fi) * 1988-02-22 1989-09-29 Outokumpu Oy Smaeltugn och foerfarande foer chargering av det material, som behandlas, in i den.
JPH0224290U (enExample) * 1988-08-04 1990-02-16
CH682280A5 (enExample) * 1991-06-14 1993-08-13 Asea Brown Boveri
JPH06300449A (ja) * 1993-04-15 1994-10-28 Ishikawajima Harima Heavy Ind Co Ltd 直流アーク炉

Also Published As

Publication number Publication date
JPH06300467A (ja) 1994-10-28
KR0163969B1 (ko) 1999-01-15
CN1089430C (zh) 2002-08-21
EP0657710A4 (en) 1995-08-09
JP3424259B2 (ja) 2003-07-07
TW263649B (enExample) 1995-11-21
EP0657710A1 (en) 1995-06-14
WO1994024504A1 (fr) 1994-10-27
ES2137363T3 (es) 1999-12-16
EP0657710B1 (en) 1999-08-18
AU6512694A (en) 1994-11-08
CA2135496C (en) 1999-02-23
AU666623B2 (en) 1996-02-15
CA2135496A1 (en) 1994-10-27
KR950704664A (ko) 1995-11-20
CN1104837A (zh) 1995-07-05
US5590152A (en) 1996-12-31
DE69420115D1 (de) 1999-09-23

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