EP4224992C0 - Betriebsverfahren für einen lichtbogenofen - Google Patents

Betriebsverfahren für einen lichtbogenofen

Info

Publication number
EP4224992C0
EP4224992C0 EP22155430.6A EP22155430A EP4224992C0 EP 4224992 C0 EP4224992 C0 EP 4224992C0 EP 22155430 A EP22155430 A EP 22155430A EP 4224992 C0 EP4224992 C0 EP 4224992C0
Authority
EP
European Patent Office
Prior art keywords
operating procedure
arc furnace
furnace
arc
procedure
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.)
Active
Application number
EP22155430.6A
Other languages
English (en)
French (fr)
Other versions
EP4224992B1 (de
EP4224992A1 (de
Inventor
Thomas Matschullat
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.)
Primetals Technologies Germany GmbH
Original Assignee
Primetals Technologies Germany GmbH
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
Priority to EP22155430.6A priority Critical patent/EP4224992B1/de
Application filed by Primetals Technologies Germany GmbH filed Critical Primetals Technologies Germany GmbH
Priority to PCT/EP2022/087190 priority patent/WO2023147931A1/de
Priority to KR1020247029898A priority patent/KR20240146058A/ko
Priority to US18/834,948 priority patent/US20250142692A1/en
Priority to JP2024546471A priority patent/JP7727125B2/ja
Priority to CN202280091066.9A priority patent/CN118679853A/zh
Publication of EP4224992A1 publication Critical patent/EP4224992A1/de
Application granted granted Critical
Publication of EP4224992B1 publication Critical patent/EP4224992B1/de
Publication of EP4224992C0 publication Critical patent/EP4224992C0/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F27B3/10—Details, accessories or equipment, e.g. dust-collectors, specially adapted for hearth-type furnaces
    • F27B3/28—Arrangement of controlling, monitoring, alarm or the like devices
    • 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
    • F27D19/00—Arrangements of controlling devices
    • 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
    • F27D19/00—Arrangements of controlling devices
    • F27D2019/0028—Regulation
    • F27D2019/0034—Regulation through control of a heating quantity such as fuel, oxidant or intensity of current
    • F27D2019/0037—Quantity of electric current

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
EP22155430.6A 2022-02-07 2022-02-07 Betriebsverfahren für einen lichtbogenofen Active EP4224992B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP22155430.6A EP4224992B1 (de) 2022-02-07 2022-02-07 Betriebsverfahren für einen lichtbogenofen
KR1020247029898A KR20240146058A (ko) 2022-02-07 2022-12-21 전기 아크 퍼니스에 대한 동작 방법
US18/834,948 US20250142692A1 (en) 2022-02-07 2022-12-21 Operating method for an electric arc furnace
JP2024546471A JP7727125B2 (ja) 2022-02-07 2022-12-21 アーク炉の運転方法
PCT/EP2022/087190 WO2023147931A1 (de) 2022-02-07 2022-12-21 Betriebsverfahren für einen lichtbogenofen
CN202280091066.9A CN118679853A (zh) 2022-02-07 2022-12-21 用于电弧炉的运行方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP22155430.6A EP4224992B1 (de) 2022-02-07 2022-02-07 Betriebsverfahren für einen lichtbogenofen

Publications (3)

Publication Number Publication Date
EP4224992A1 EP4224992A1 (de) 2023-08-09
EP4224992B1 EP4224992B1 (de) 2024-11-13
EP4224992C0 true EP4224992C0 (de) 2024-11-13

Family

ID=80222630

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22155430.6A Active EP4224992B1 (de) 2022-02-07 2022-02-07 Betriebsverfahren für einen lichtbogenofen

Country Status (6)

Country Link
US (1) US20250142692A1 (de)
EP (1) EP4224992B1 (de)
JP (1) JP7727125B2 (de)
KR (1) KR20240146058A (de)
CN (1) CN118679853A (de)
WO (1) WO2023147931A1 (de)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0914864A (ja) * 1995-06-30 1997-01-17 Toshiba Corp アーク炉の自動電極昇降制御装置
US5991327A (en) 1995-10-26 1999-11-23 Inverpower Controls Ltd. Smart predictive line controller for AC and DC electric arc furnaces
JPH09274987A (ja) * 1996-04-08 1997-10-21 Daido Steel Co Ltd 溶融炉の電力制御方法
EP2947766A1 (de) 2014-05-19 2015-11-25 Siemens Aktiengesellschaft Stromversorgung für eine nichtlineare Last mit Multilevel-Matrixumrichtern
ITUB20152674A1 (it) 2015-07-30 2017-01-30 Danieli Automation Spa Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco
IT201800004847A1 (it) 2018-04-24 2019-10-24 Metodo di fusione in un forno elettrico ad arco e relativo apparato
JP7539026B2 (ja) 2020-03-27 2024-08-23 大同特殊鋼株式会社 交流電気炉の制御方法

Also Published As

Publication number Publication date
JP7727125B2 (ja) 2025-08-20
EP4224992B1 (de) 2024-11-13
EP4224992A1 (de) 2023-08-09
KR20240146058A (ko) 2024-10-07
US20250142692A1 (en) 2025-05-01
WO2023147931A1 (de) 2023-08-10
JP2025504185A (ja) 2025-02-06
CN118679853A (zh) 2024-09-20

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