EP4360406C0 - Procédé de fonctionnement pour un four à arc - Google Patents

Procédé de fonctionnement pour un four à arc

Info

Publication number: EP4360406C0
Authority: EP; European Patent Office
Prior art keywords: operating procedure; arc furnace; furnace; arc; procedure
Prior art date: 2021-06-22
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

EP22737558.1A

Other languages

German (de)

English (en)

Other versions

EP4360406B1 (fr

EP4360406A1 (fr

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.)

2021-06-22

Filing date

2022-06-09

Publication date

2025-06-18

2022-06-09 Application filed by Primetals Technologies Germany GmbH filed Critical Primetals Technologies Germany GmbH

2024-05-01 Publication of EP4360406A1 publication Critical patent/EP4360406A1/fr

2025-06-18 Application granted granted Critical

2025-06-18 Publication of EP4360406B1 publication Critical patent/EP4360406B1/fr

2025-06-18 Publication of EP4360406C0 publication Critical patent/EP4360406C0/fr

Status Active legal-status Critical Current

2042-06-09 Anticipated expiration legal-status Critical

Links

Classifications

- 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
- C21C5/5211—Manufacture of steel in electric furnaces in an alternating current [AC] 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
- 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
- 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
- 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
- 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)
Chemical & Material Sciences (AREA)
Plasma & Fusion (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Manufacturing & Machinery (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Power Engineering (AREA)
Vertical, Hearth, Or Arc Furnaces (AREA)
Furnace Details (AREA)

EP22737558.1A 2021-06-22 2022-06-09 Procédé de fonctionnement pour un four à arc Active EP4360406B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
EP21180899.3A EP4110015A1 (fr)	2021-06-22	2021-06-22	Procédé de fonctionnement pour un four à arc
PCT/EP2022/065633 WO2022268511A1 (fr)	2021-06-22	2022-06-09	Procédé de fonctionnement d'un four à arc électrique

Publications (3)

Publication Number	Publication Date
EP4360406A1 EP4360406A1 (fr)	2024-05-01
EP4360406B1 EP4360406B1 (fr)	2025-06-18
EP4360406C0 true EP4360406C0 (fr)	2025-06-18

Family

ID=76744596

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP21180899.3A Withdrawn EP4110015A1 (fr)	2021-06-22	2021-06-22	Procédé de fonctionnement pour un four à arc
EP22737558.1A Active EP4360406B1 (fr)	2021-06-22	2022-06-09	Procédé de fonctionnement pour un four à arc

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP21180899.3A Withdrawn EP4110015A1 (fr)	2021-06-22	2021-06-22	Procédé de fonctionnement pour un four à arc

Country Status (7)

Country	Link
US (1)	US20240284566A1 (fr)
EP (2)	EP4110015A1 (fr)
JP (1)	JP7758763B2 (fr)
CN (1)	CN117598028A (fr)
BR (1)	BR112023024937A2 (fr)
MX (1)	MX2023014837A (fr)
WO (1)	WO2022268511A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP4426067B1 (fr) *	2023-03-02	2025-12-17	GE Energy Power Conversion Technology Ltd	Système d'alimentation électrique pour four à arc et four à arc et procédé associés
DE102023106881A1 (de) *	2023-03-20	2024-09-26	Sms Group S.P.A.	Verfahren zum Regeln eines Betriebs eines elektrischen Ofens und elektrischer Ofen zum Schmelzen von Schmelzmaterial
ES3014514T3 (en)	2023-03-22	2025-04-23	Badische Stahl Eng Gmbh	Power supply device for a metallurgical device

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5115447A (en) *	1991-01-10	1992-05-19	Ucar Carbon Technology Corporation	Arc furnace electrode control
US5991327A (en)	1995-10-26	1999-11-23	Inverpower Controls Ltd.	Smart predictive line controller for AC and DC electric arc furnaces
JP3534693B2 (ja) *	2000-06-19	2004-06-07	三菱重工業株式会社	プラズマ灰溶融炉の運転方法
JP2005036997A (ja) *	2003-07-16	2005-02-10	Toshiba Corp	アーク炉の電極昇降制御装置
EP2947766A1 (fr)	2014-05-19	2015-11-25	Siemens Aktiengesellschaft	Alimentation électrique pour une charge non linéaire dotée de convertisseurs matriciels à plusieurs niveaux
ITUB20152674A1 (it)	2015-07-30	2017-01-30	Danieli Automation Spa	Apparato e metodo di alimentazione elettrica di un forno elettrico ad arco
IT201800004846A1 (it) *	2018-04-24	2019-10-24		Metodo di alimentazione elettrica di un forno elettrico ad arco e relativo apparato

2021
- 2021-06-22 EP EP21180899.3A patent/EP4110015A1/fr not_active Withdrawn
2022
- 2022-06-09 EP EP22737558.1A patent/EP4360406B1/fr active Active
- 2022-06-09 CN CN202280044965.3A patent/CN117598028A/zh active Pending
- 2022-06-09 JP JP2023578992A patent/JP7758763B2/ja active Active
- 2022-06-09 BR BR112023024937A patent/BR112023024937A2/pt unknown
- 2022-06-09 WO PCT/EP2022/065633 patent/WO2022268511A1/fr not_active Ceased
- 2022-06-09 MX MX2023014837A patent/MX2023014837A/es unknown
- 2022-06-09 US US18/571,710 patent/US20240284566A1/en active Pending

Also Published As

Publication number	Publication date
BR112023024937A2 (pt)	2024-02-15
JP2024526164A (ja)	2024-07-17
CN117598028A (zh)	2024-02-23
EP4360406B1 (fr)	2025-06-18
WO2022268511A1 (fr)	2022-12-29
MX2023014837A (es)	2024-01-15
JP7758763B2 (ja)	2025-10-22
EP4360406A1 (fr)	2024-05-01
US20240284566A1 (en)	2024-08-22
EP4110015A1 (fr)	2022-12-28

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