IT1289001B1 - Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua - Google Patents

Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua

Info

Publication number
IT1289001B1
IT1289001B1 IT96UD000194A ITUD960194A IT1289001B1 IT 1289001 B1 IT1289001 B1 IT 1289001B1 IT 96UD000194 A IT96UD000194 A IT 96UD000194A IT UD960194 A ITUD960194 A IT UD960194A IT 1289001 B1 IT1289001 B1 IT 1289001B1
Authority
IT
Italy
Prior art keywords
liquid metal
current
floor
direct current
hearth
Prior art date
Application number
IT96UD000194A
Other languages
English (en)
Inventor
Milorad Pavlicevic
Anatoly Kolesnichenko
Alfredo Poloni
Cristina Bassi
Original Assignee
Danieli Off Mecc
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 Danieli Off Mecc filed Critical Danieli Off Mecc
Publication of ITUD960194A0 publication Critical patent/ITUD960194A0/it
Priority to IT96UD000194A priority Critical patent/IT1289001B1/it
Priority to EP97117246A priority patent/EP0835942B1/en
Priority to DE69706794T priority patent/DE69706794T2/de
Priority to AT97117246T priority patent/ATE205886T1/de
Priority to ES97117246T priority patent/ES2161405T3/es
Priority to AU40949/97A priority patent/AU719313B2/en
Priority to CA002218016A priority patent/CA2218016A1/en
Priority to ZA9709152A priority patent/ZA979152B/xx
Priority to KR1019970052427A priority patent/KR19980032784A/ko
Priority to MXPA/A/1997/007919A priority patent/MXPA97007919A/xx
Priority to US08/949,763 priority patent/US6026113A/en
Priority to BR9705272-8A priority patent/BR9705272A/pt
Publication of ITUD960194A1 publication Critical patent/ITUD960194A1/it
Application granted granted Critical
Publication of IT1289001B1 publication Critical patent/IT1289001B1/it

Links

Classifications

    • 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
    • F27D27/00—Stirring devices for molten material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
    • B01F33/451—Magnetic mixers; Mixers with magnetically driven stirrers wherein the mixture is directly exposed to an electromagnetic field without use of a stirrer, e.g. for material comprising ferromagnetic particles or for molten metal
    • 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; Tank furnaces
    • F27B3/10—Details, accessories, or equipment peculiar to hearth-type 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
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/34—Arrangements for circulation of melts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/45—Mixing in metallurgical processes of ferrous or non-ferrous materials
    • 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; Tank furnaces
    • F27B3/08—Hearth-type furnaces, e.g. of reverberatory type; 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
    • F27D3/00—Charging; Discharging; Manipulation of charge
    • F27D2003/0034—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities
    • F27D2003/0039—Means for moving, conveying, transporting the charge in the furnace or in the charging facilities comprising magnetic means
    • 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
    • H05B2213/00—Aspects relating both to resistive heating and to induction heating, covered by H05B3/00 and H05B6/00
    • H05B2213/02—Stirring of melted material in melting furnaces
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Furnace Details (AREA)
  • Discharge Heating (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Manufacture And Refinement Of Metals (AREA)
IT96UD000194A 1996-10-14 1996-10-14 Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua IT1289001B1 (it)

Priority Applications (12)

Application Number Priority Date Filing Date Title
IT96UD000194A IT1289001B1 (it) 1996-10-14 1996-10-14 Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua
EP97117246A EP0835942B1 (en) 1996-10-14 1997-10-06 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
DE69706794T DE69706794T2 (de) 1996-10-14 1997-10-06 Methode zum elektromagnetischen Rühren flüssiger Metallein Elektro-Öfen und entsprechenden Anlagen
AT97117246T ATE205886T1 (de) 1996-10-14 1997-10-06 Methode zum elektromagnetischen rühren flüssiger metallein elektro-öfen und entsprechenden anlagen
ES97117246T ES2161405T3 (es) 1996-10-14 1997-10-06 Procedimiento para la agitacion electromagnetica de metal liquido en hornos de arco electrico de corriente continua y dispositivo asociado.
CA002218016A CA2218016A1 (en) 1996-10-14 1997-10-10 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
AU40949/97A AU719313B2 (en) 1996-10-14 1997-10-10 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
ZA9709152A ZA979152B (en) 1996-10-14 1997-10-13 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device.
KR1019970052427A KR19980032784A (ko) 1996-10-14 1997-10-14 전기 아크로에서 액체 금속의 전자 교반 방법 및 장치.
MXPA/A/1997/007919A MXPA97007919A (en) 1996-10-14 1997-10-14 Method for the electromagnetic agitation of the liquid metal in electric arc ovens and related device
US08/949,763 US6026113A (en) 1996-10-14 1997-10-14 Method for the electromagnetic stirring of the liquid metal in electric arc furnaces and relative device
BR9705272-8A BR9705272A (pt) 1996-10-14 1997-10-14 Método para agitação eletromagnética do metal lìquido em fornos a arco elétrico e dispositivo correspodente

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT96UD000194A IT1289001B1 (it) 1996-10-14 1996-10-14 Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua

Publications (3)

Publication Number Publication Date
ITUD960194A0 ITUD960194A0 (it) 1996-10-14
ITUD960194A1 ITUD960194A1 (it) 1998-04-14
IT1289001B1 true IT1289001B1 (it) 1998-09-25

Family

ID=11422207

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96UD000194A IT1289001B1 (it) 1996-10-14 1996-10-14 Sistema per l'agitazione elettromagnetica del metallo liquido in forni elettrici ad arco a corrente continua

Country Status (11)

Country Link
US (1) US6026113A (it)
EP (1) EP0835942B1 (it)
KR (1) KR19980032784A (it)
AT (1) ATE205886T1 (it)
AU (1) AU719313B2 (it)
BR (1) BR9705272A (it)
CA (1) CA2218016A1 (it)
DE (1) DE69706794T2 (it)
ES (1) ES2161405T3 (it)
IT (1) IT1289001B1 (it)
ZA (1) ZA979152B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6341642B1 (en) 1997-07-01 2002-01-29 Ipsco Enterprises Inc. Controllable variable magnetic field apparatus for flow control of molten steel in a casting mold
US7651656B2 (en) * 2006-07-20 2010-01-26 Kenzo Takahashi Melting furnace with agitator and agitator for melting furnace
WO2013010575A1 (en) * 2011-07-18 2013-01-24 Abb Research Ltd A method and a control system for controlling a melting process
MX2014008174A (es) * 2012-01-03 2014-10-06 Abb Research Ltd Un metodo para fundir acero.
EP2792755B1 (en) * 2013-04-16 2015-06-10 ABB Technology Ltd A method and a control system for controlling a melting and refining process
EP2894426A1 (en) * 2014-01-14 2015-07-15 ABB Technology AG Method for scheduling a production process
US9925591B2 (en) * 2014-08-21 2018-03-27 Molyworks Materials Corp. Mixing cold hearth metallurgical system and process for producing metals and metal alloys
EP3580512B1 (en) 2017-02-10 2021-03-31 ABB Schweiz AG Furnace assembly for a metal-making process

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1562825A (en) * 1924-11-11 1925-11-24 Evreynoff Georg Electric furnace
US1683986A (en) * 1925-08-01 1928-09-11 Ajax Electrothermic Corp Induction pressure or vacuum furnace
US1943802A (en) * 1930-03-18 1934-01-16 Ajax Electrothermic Corp Electric induction furnace
US2322618A (en) * 1942-03-25 1943-06-22 Mare Baltzar E L De Apparatus for converting high-phosphorus pig iron into high-grade low-phosphorus steel
JPS495691B1 (it) * 1965-03-23 1974-02-08
US3683094A (en) * 1971-02-18 1972-08-08 Max P Schlienger Arc positioning system for rotating electrode wheel arc furnace
US4149024A (en) * 1974-07-23 1979-04-10 Asea Aktiebolag Arc furnace for reducing metal oxides and method for operating such a furnace
SE396531B (sv) * 1975-11-06 1977-09-19 Asea Ab Anordning vid likstromsmatade ljusbagsugnar
BG35678A1 (en) * 1981-12-01 1984-06-15 Savov Method and device for treating and refining liquid alloys
SE447846B (sv) * 1982-09-09 1986-12-15 Asea Ab Skenkugn med likstromsvermning
US4495625A (en) * 1983-07-05 1985-01-22 Westinghouse Electric Corp. Magnetic field stabilized transferred arc furnace
FR2602320B1 (fr) * 1986-08-01 1989-12-29 Clecim Sa Procede de fusion de ferraille et four electrique pour la mise en oeuvre du procede
SE461761B (sv) * 1988-05-03 1990-03-19 Fiz Tekh Inst Ioffe Elektrisk ljusbaaganordning
US5142650A (en) * 1989-11-14 1992-08-25 Asahi Glass Company Ltd. Bottom electrode for a direct current arc furnace
CA2054774C (en) * 1990-03-19 1997-01-21 Nobuyoshi Takashiba Direct current electric furnace for melting metal
CH680086A5 (it) * 1990-05-09 1992-06-15 Asea Brown Boveri
CH682281A5 (it) * 1991-06-20 1993-08-13 Asea Brown Boveri
ATE170357T1 (de) * 1992-07-31 1998-09-15 Danieli Off Mecc Gleichstromlichtbogenofen mit steuerung der lichtbogenablenkung
FR2708725B1 (fr) * 1993-07-29 1995-11-10 Imphy Sa Procédé de fusion d'un matériau électroconducteur dans un four de fusion par induction en creuset froid et four de fusion pour la mise en Óoeuvre de ce procédé.

Also Published As

Publication number Publication date
BR9705272A (pt) 1999-10-13
ATE205886T1 (de) 2001-10-15
US6026113A (en) 2000-02-15
AU719313B2 (en) 2000-05-04
KR19980032784A (ko) 1998-07-25
EP0835942A1 (en) 1998-04-15
ITUD960194A1 (it) 1998-04-14
ITUD960194A0 (it) 1996-10-14
DE69706794T2 (de) 2002-05-23
EP0835942B1 (en) 2001-09-19
CA2218016A1 (en) 1998-04-14
AU4094997A (en) 1998-04-23
DE69706794D1 (de) 2001-10-25
ZA979152B (en) 1998-05-11
ES2161405T3 (es) 2001-12-01
MX9707919A (es) 1998-08-30

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Legal Events

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0001 Granted