IT1291117B1 - Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici - Google Patents

Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici

Info

Publication number
IT1291117B1
IT1291117B1 IT97RM000164A ITRM970164A IT1291117B1 IT 1291117 B1 IT1291117 B1 IT 1291117B1 IT 97RM000164 A IT97RM000164 A IT 97RM000164A IT RM970164 A ITRM970164 A IT RM970164A IT 1291117 B1 IT1291117 B1 IT 1291117B1
Authority
IT
Italy
Prior art keywords
metallurgic
protection
graphite electrodes
electric ovens
ovens
Prior art date
Application number
IT97RM000164A
Other languages
English (en)
Inventor
Carlo Vecchiato
Original Assignee
Acciai Speciali Terni Spa
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 Acciai Speciali Terni Spa filed Critical Acciai Speciali Terni Spa
Priority to IT97RM000164A priority Critical patent/IT1291117B1/it
Priority to AU67304/98A priority patent/AU6730498A/en
Priority to PCT/EP1998/001582 priority patent/WO1998043030A1/en
Publication of ITRM970164A1 publication Critical patent/ITRM970164A1/it
Application granted granted Critical
Publication of IT1291117B1 publication Critical patent/IT1291117B1/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
    • F27D1/00—Casings; Linings; Walls; Roofs
    • F27D1/18—Door frames; Doors, lids, removable covers
    • F27D1/1808—Removable covers
    • F27D1/1816—Removable covers specially adapted for arc furnaces
    • 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
    • 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
    • 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
    • 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
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/0002—Cooling of furnaces
    • F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
    • F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
    • F27D2009/0016—Water-spray
    • 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)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Resistance Heating (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
IT97RM000164A 1997-03-25 1997-03-25 Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici IT1291117B1 (it)

Priority Applications (3)

Application Number Priority Date Filing Date Title
IT97RM000164A IT1291117B1 (it) 1997-03-25 1997-03-25 Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici
AU67304/98A AU6730498A (en) 1997-03-25 1998-03-16 Device to protect graphite electrodes in an electric arc furnace
PCT/EP1998/001582 WO1998043030A1 (en) 1997-03-25 1998-03-16 Device to protect graphite electrodes in an electric arc furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT97RM000164A IT1291117B1 (it) 1997-03-25 1997-03-25 Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici

Publications (2)

Publication Number Publication Date
ITRM970164A1 ITRM970164A1 (it) 1998-09-25
IT1291117B1 true IT1291117B1 (it) 1998-12-29

Family

ID=11404894

Family Applications (1)

Application Number Title Priority Date Filing Date
IT97RM000164A IT1291117B1 (it) 1997-03-25 1997-03-25 Dispositivo per la protezione degli elettrodi di grafite nei forni elettrici metallurgici

Country Status (3)

Country Link
AU (1) AU6730498A (it)
IT (1) IT1291117B1 (it)
WO (1) WO1998043030A1 (it)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6741826B2 (en) 2002-06-26 2004-05-25 Xerox Corporation Cam motion design without drivetrain backlash reversal
US7452499B2 (en) * 2004-10-29 2008-11-18 Systems Spray-Cooled, Inc. Furnace cooling system and method
CN101839628A (zh) * 2010-05-31 2010-09-22 莱芜钢铁集团有限公司 电弧炉中心小炉盖的冷却装置
KR101293060B1 (ko) 2011-03-30 2013-08-05 현대제철 주식회사 전기로용 지붕
MX2020013795A (es) 2018-10-15 2021-03-02 Chemtreat Inc Metodos de proteccion de los electrodos de un horno con liquido refrigerante que contiene un aditivo.
WO2020081559A1 (en) 2018-10-15 2020-04-23 Chemtreat, Inc. Spray cooling furnace electrodes with a cooling liquid that contains surfactants

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0795474B2 (ja) * 1987-03-17 1995-10-11 日本カ−ボン株式会社 電気ア−ク製鋼等金属の溶解および精錬法ならびにそれに供する電極冷却装置
US4852120A (en) * 1988-11-08 1989-07-25 Nikko Industry Co., Ltd. Cooling apparatus for electric arc furnace electrodes
DE3940848A1 (de) * 1989-12-11 1991-06-13 Foseco Int Verfahren und vorrichtung zum verschliessen des spaltes zwischen elektrode und ofendeckel eines elektro-schmelzofens
JPH05114479A (ja) * 1991-10-23 1993-05-07 Aichi Steel Works Ltd 製鋼用電気炉の電極冷却水噴出用リング
DE19608530C2 (de) * 1996-02-09 1999-01-14 Eisenbau Essen Gmbh Verwendung von reinem CO¶2¶-Gas oder einem im wesentlichen CO¶2¶ enthaltenden Gas als Trägergas bei der Behandlung von Stahl in einem Lichtbogenofen

Also Published As

Publication number Publication date
AU6730498A (en) 1998-10-20
ITRM970164A1 (it) 1998-09-25
WO1998043030A1 (en) 1998-10-01

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Legal Events

Date Code Title Description
0001 Granted