BR8605787A - Eletrodo de grafite com revestimento protetor,e processo para a sua producao - Google Patents

Eletrodo de grafite com revestimento protetor,e processo para a sua producao

Info

Publication number
BR8605787A
BR8605787A BR8605787A BR8605787A BR8605787A BR 8605787 A BR8605787 A BR 8605787A BR 8605787 A BR8605787 A BR 8605787A BR 8605787 A BR8605787 A BR 8605787A BR 8605787 A BR8605787 A BR 8605787A
Authority
BR
Brazil
Prior art keywords
production
protective coating
graphite electrode
graphite
electrode
Prior art date
Application number
BR8605787A
Other languages
English (en)
Inventor
Rumen Borisov Radev
Alexandre Yordanov Vulchev
Vasil Georgiev Peev
Original Assignee
Npp Elektrotermia
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 Npp Elektrotermia filed Critical Npp Elektrotermia
Publication of BR8605787A publication Critical patent/BR8605787A/pt

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Discharge Heating (AREA)
  • Laminated Bodies (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electrolytic Production Of Metals (AREA)
BR8605787A 1985-11-27 1986-11-26 Eletrodo de grafite com revestimento protetor,e processo para a sua producao BR8605787A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BG8572518A BG41989A1 (en) 1985-11-27 1985-11-27 Graphite electrode with protective coating and method for its manufacture

Publications (1)

Publication Number Publication Date
BR8605787A true BR8605787A (pt) 1987-08-25

Family

ID=3916414

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8605787A BR8605787A (pt) 1985-11-27 1986-11-26 Eletrodo de grafite com revestimento protetor,e processo para a sua producao

Country Status (6)

Country Link
US (1) US4740990A (pt)
EP (1) EP0233398A1 (pt)
JP (1) JPS62132788A (pt)
BG (1) BG41989A1 (pt)
BR (1) BR8605787A (pt)
ES (1) ES2093573A6 (pt)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4923578A (en) * 1987-10-08 1990-05-08 The Standard Oil Company Graphite composites and process for the manufacture thereof
US4857395A (en) * 1987-10-08 1989-08-15 The Standard Oil Company Graphite composites and process for the manufacture thereof
US5142650A (en) * 1989-11-14 1992-08-25 Asahi Glass Company Ltd. Bottom electrode for a direct current arc furnace
US6001236A (en) 1992-04-01 1999-12-14 Moltech Invent S.A. Application of refractory borides to protect carbon-containing components of aluminium production cells
US5651874A (en) 1993-05-28 1997-07-29 Moltech Invent S.A. Method for production of aluminum utilizing protected carbon-containing components
US5413689A (en) * 1992-06-12 1995-05-09 Moltech Invent S.A. Carbon containing body or mass useful as cell component
US5753163A (en) 1995-08-28 1998-05-19 Moltech. Invent S.A. Production of bodies of refractory borides
US20080142488A1 (en) * 2006-12-19 2008-06-19 General Electric Company Compound electrode, methods of manufacture thereof and articles comprising the same
CA2795870C (en) * 2010-07-01 2017-02-14 Graftech International Holdings Inc. Graphite electrode
US8907295B2 (en) * 2012-08-01 2014-12-09 Varian Semiconductor Equipment Associates, Inc. Hybrid electrostatic lens with increased natural frequency
CN104530942B (zh) * 2014-12-30 2016-11-09 陕西师范大学 导电抗氧化自愈合石墨电极涂料
TWI622214B (zh) 2016-09-22 2018-04-21 財團法人工業技術研究院 金屬離子二次電池

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE261554C (de) * 1912-06-18 1913-06-23 Gesellschaft Fuer Teerverwertung Mbh Verfahren zur Herstellung von Schutzhüllen auf Kohlenelektroden, insbesondere für elektrische öfen
DE1271007B (de) * 1962-04-16 1968-06-20 Metalurgitschen Zd Lenin Verfahren zum Schutze von Kohlenstoffmaterialien vor Oxydation
GB1445336A (en) * 1972-08-15 1976-08-11 Foseco Int Treatment of carbon articles
DD107867A1 (pt) * 1973-10-16 1974-08-20
DE3028348C2 (de) * 1980-07-25 1985-05-15 C. Conradty Nürnberg GmbH & Co KG, 8505 Röthenbach Kohlenstoffelektrode für Lichtbogenöfen
US4351056A (en) * 1980-12-24 1982-09-21 Standard Oil Company Carbon electrodes having a low coefficient of thermal expansion
DE3215831A1 (de) * 1982-04-28 1983-11-03 C. Conradty Nürnberg GmbH & Co KG, 8505 Röthenbach Verfahren zur aufbringung eines graphit und kunstharz enthaltenden pulverfoermigen materials auf eine mit einem metallischen ueberzug versehene kohlenstoffelektrode, insbesondere graphitelektrode
US4530853A (en) * 1984-06-06 1985-07-23 Great Lakes Carbon Corporation Non-conducting oxidation retardant coating composition for carbon and graphite

Also Published As

Publication number Publication date
JPS62132788A (ja) 1987-06-16
ES2093573A6 (es) 1996-12-16
BG41989A1 (en) 1987-09-15
EP0233398A1 (en) 1987-08-26
US4740990A (en) 1988-04-26

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