ZA978426B - Cooling system for cathodes in direct current electric arc furnaces. - Google Patents

Cooling system for cathodes in direct current electric arc furnaces.

Info

Publication number
ZA978426B
ZA978426B ZA9708426A ZA978426A ZA978426B ZA 978426 B ZA978426 B ZA 978426B ZA 9708426 A ZA9708426 A ZA 9708426A ZA 978426 A ZA978426 A ZA 978426A ZA 978426 B ZA978426 B ZA 978426B
Authority
ZA
South Africa
Prior art keywords
cathodes
direct current
cooling system
electric arc
current electric
Prior art date
Application number
ZA9708426A
Other languages
English (en)
Inventor
Milorad Pavlicevic
Alfredo Poloni
Gianni Gensini
Nuredin Kapaj
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 ZA978426B publication Critical patent/ZA978426B/xx

Links

Classifications

    • 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
    • F27B3/24—Cooling arrangements
    • 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
    • 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
    • H05B7/12—Arrangements for cooling, sealing or protecting electrodes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Discharge Heating (AREA)
ZA9708426A 1996-09-27 1997-09-18 Cooling system for cathodes in direct current electric arc furnaces. ZA978426B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA978426B true ZA978426B (en) 1998-03-26

Family

ID=11422196

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9708426A ZA978426B (en) 1996-09-27 1997-09-18 Cooling system for cathodes in direct current electric arc furnaces.

Country Status (8)

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

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 (xx) * 1900-01-01
US2942046A (en) * 1958-07-21 1960-06-21 Gen Electric Electrode cooling means for electric arc furnace
US4168392A (en) * 1976-09-01 1979-09-18 The Steel Company Of Canada, Limited Composite electrode with non-consumable upper section
US4121042A (en) * 1976-09-01 1978-10-17 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
AU3836897A (en) 1998-04-02
IT1288992B1 (it) 1998-09-25
ITUD960183A1 (it) 1998-03-27
CA2216458A1 (en) 1998-03-27
US5933445A (en) 1999-08-03
KR19980024986A (ko) 1998-07-06
BR9702931A (pt) 1999-01-19
MX9707408A (es) 1998-06-28
AU718149B2 (en) 2000-04-06

Similar Documents

Publication Publication Date Title
PL319447A1 (en) High-power current circuit-breaker
EP1009474A4 (en) ELECTRODE WITH STESTLED CURRENT FLOW
EP0819905A4 (en) ELECTRIC OVEN
ZA989098B (en) Process of melting fine grained, direct reduced iron in an electric arc furnace.
PL335279A1 (en) Current carrying bus-bar
EP0671595A4 (en) ELECTRIC ARC FUSION OVEN.
EP0669631A3 (en) DC switching device.
CZ58699A3 (cs) Tavný agregát s elektrickou obloukovou pecí
ZA973970B (en) Direct current electric furnaces.
ZA978426B (en) Cooling system for cathodes in direct current electric arc furnaces.
KR100236482B1 (en) Electric arc scrap furnace
ZA978429B (en) Cooling system for electrodes in D.C. electric arc furnaces.
ZA978843B (en) Electric current switching apparatus with unitized removable contacts.
GB9707015D0 (en) Additives for electric arc furnace
GB2320961B (en) Thermal deformation member for electron tube, and thermal deformation member for electric current control and circuit breaker using thereof
EP0665565A3 (de) Kontaktsystem für einen Hochleistungsschalter.
EP0632570A3 (en) Switch mode power supply with shortcircuit current limitation.
GB9623607D0 (en) Electric torch
HK1022514A1 (en) Electric furnace cooling apparatus.
AU6632898A (en) Electric arc furnace system
PL319465A1 (en) Power supply system for steel-smelting electric arc furnaces
PL326466A1 (en) Direct current arc furnace
PL324951A1 (en) Direct current arc furnace
AU6758996A (en) Direct current electrical machine
EP0671747A3 (de) Gleichstrom-Sparschaltung.