BR9702931A - Sistema de resfriamento para catados em fornos a arco elétrico com corrente com corrente contínua - Google Patents

Sistema de resfriamento para catados em fornos a arco elétrico com corrente com corrente contínua

Info

Publication number
BR9702931A
BR9702931A BR9702931A BR9702931A BR9702931A BR 9702931 A BR9702931 A BR 9702931A BR 9702931 A BR9702931 A BR 9702931A BR 9702931 A BR9702931 A BR 9702931A BR 9702931 A BR9702931 A BR 9702931A
Authority
BR
Brazil
Prior art keywords
harvesting
direct current
cooling system
electric arc
arc furnaces
Prior art date
Application number
BR9702931A
Other languages
English (en)
Inventor
Milorad Pavlicevic
Nuredin Kapaj
Alfredo Poloni
Gianni Gensini
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 BR9702931A publication Critical patent/BR9702931A/pt

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27FURNACES; KILNS; OVENS; RETORTS
    • F27BFURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B3/00Hearth-type furnaces, e.g. of reverberatory type; Tank furnaces
    • F27B3/10Details, accessories, or equipment peculiar to hearth-type furnaces
    • F27B3/24Cooling arrangements
    • CCHEMISTRY; METALLURGY
    • C21METALLURGY OF IRON
    • C21CPROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C5/00Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
    • C21C5/52Manufacture of steel in electric furnaces
    • C21C5/5229Manufacture of steel in electric furnaces in a direct current [DC] electric arc furnace
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B7/00Heating by electric discharge
    • H05B7/02Details
    • H05B7/12Arrangements for cooling, sealing or protecting electrodes
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00Technologies related to metal processing
    • Y02P10/20Recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
BR9702931A 1996-09-27 1997-09-29 Sistema de resfriamento para catados em fornos a arco elétrico com corrente com corrente contínua BR9702931A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUD960183 1996-09-27

Publications (1)

Publication Number Publication Date
BR9702931A true BR9702931A (pt) 1999-01-19

Family

ID=11422196

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9702931A BR9702931A (pt) 1996-09-27 1997-09-29 Sistema de resfriamento para catados em fornos a arco elétrico com corrente com corrente contínua

Country Status (8)

Country Link
US (1) US5933445A (pt)
EP (1) EP0838531A1 (pt)
KR (1) KR19980024986A (pt)
AU (1) AU718149B2 (pt)
BR (1) BR9702931A (pt)
CA (1) CA2216458A1 (pt)
IT (1) IT1288992B1 (pt)
ZA (1) ZA978426B (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1310574B1 (it) 1999-06-11 2002-02-19 Danieli Off Mecc Dispositivo per il raffreddamento e la protezione di un catododi un forno elettrico ad arco
EP2693143A1 (de) * 2012-08-01 2014-02-05 Siemens VAI Metals Technologies GmbH Verfahren und Vorrichtung zum Detektieren einer Leckage im Bereich mindestens einer Kühlvorrichtung eines Ofens, sowie ein Ofen

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE256072C (pt) * 1900-01-01
US2942046A (en) * 1958-07-21 1960-06-21 Gen Electric Electrode cooling means for electric arc furnace
US4121042A (en) * 1976-09-01 1978-10-17 The Steel Company Of Canada Limited Composite electrode with non-consumable upper section
US4168392A (en) * 1976-09-01 1979-09-18 The Steel Company Of Canada, Limited Composite electrode with non-consumable upper section
DE2725537A1 (de) * 1977-06-06 1978-12-14 Korf Stahl Elektrode fuer lichtbogenoefen
US4490825A (en) * 1982-09-27 1984-12-25 Lectromelt Corporation Water-cooled electrode
FR2534691A1 (fr) * 1982-10-15 1984-04-20 Clecim Sa Dispositif de mesure de tension d'arc sur un four electrique
EP0135473A1 (en) * 1983-08-13 1985-03-27 Arc Technologies Systems, Ltd. Electrode assembly for arc furnaces
GB2176980A (en) * 1985-06-28 1987-01-07 Parr Construction Services Lim Cooling furnace electrodes
DE4130397A1 (de) * 1991-09-12 1993-03-18 Kortec Ag Gleichstromofen mit einer herdelektrode, herdelektrode und elektrodenblock sowie betriebsverfahren fuer diesen ofen

Also Published As

Publication number Publication date
EP0838531A1 (en) 1998-04-29
MX9707408A (es) 1998-06-28
ZA978426B (en) 1998-03-26
CA2216458A1 (en) 1998-03-27
AU3836897A (en) 1998-04-02
ITUD960183A1 (it) 1998-03-27
KR19980024986A (ko) 1998-07-06
US5933445A (en) 1999-08-03
AU718149B2 (en) 2000-04-06
IT1288992B1 (it) 1998-09-25

Similar Documents

Publication Publication Date Title
DE69724402D1 (de) Steuerungssystem für elektrischen Strom
DE69534724D1 (de) Steuerungsgerät für elektrischen Strom
DE69724534D1 (de) Elektroofen
FI963470A (fi) Sovitelma lämmitys- ja jäähdytystehon siirtämiseksi
DE69527982D1 (de) Elektrischer schalter mit mehreren stellungen
PL331775A1 (en) Smelting unit with an arc furnace
BR9702985A (pt) Aparelho de comutação de corrente elétrica
DE59812994D1 (de) Elektromotor mit Mitteln zur Kühlung
DK0800045T3 (da) Fordamper med et elektrisk varmekabel til afrimning
PL334052A1 (en) Changing-over device with spark gap for electric power switching
FR2759819B1 (fr) Systeme d'alimentation en courant electrique
BR9702931A (pt) Sistema de resfriamento para catados em fornos a arco elétrico com corrente com corrente contínua
BR9702932A (pt) Sistema de resfriamento para eletrodos em fornos a arco elétrico com corrente contínua
NO964821D0 (no) Koplings- og brytersystem for undervanns elektrisk kraftdistribusjon
DE69807696D1 (de) Anlage zur beschickung von elektrolichtbogenöfen
ZA973970B (en) Direct current electric furnaces.
ATA127094A (de) Schrotteinschmelz-elektro-lichtbogenofen
BR9702975A (pt) Aparelho de comutação de corrente elétrica
EP0632570A3 (en) Switch mode power supply with shortcircuit current limitation.
AU1999997A (en) Fume intake and cooling device for electric arc furnaces
DE59703890D1 (de) Elektrische Starkstromleitung
DE29721941U1 (de) Kühlmittelleitung für Elektrolichtbogenöfen
ZA942958B (en) Power converter device for direct current power supply to an electric arc furnace.
KR970064042U (ko) 대전류용 카본 전력선
KR970049387U (ko) 바테리 사용이 가능한 개선된 차량용 냉/온장고

Legal Events

Date Code Title Description
FF Decision: intention to grant
FA11 Dismissal: dismissal - article 38, par. 2 of industrial property law