BR7208299D0 - Processo de protecao de eletrodos de grafite - Google Patents

Processo de protecao de eletrodos de grafite

Info

Publication number
BR7208299D0
BR7208299D0 BR8299/72A BR829972A BR7208299D0 BR 7208299 D0 BR7208299 D0 BR 7208299D0 BR 8299/72 A BR8299/72 A BR 8299/72A BR 829972 A BR829972 A BR 829972A BR 7208299 D0 BR7208299 D0 BR 7208299D0
Authority
BR
Brazil
Prior art keywords
protection process
graphite electrodes
graphite
electrodes
protection
Prior art date
Application number
BR8299/72A
Other languages
English (en)
Inventor
C Lorkin
J Schiffarth
Original Assignee
Foseco Int
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 Foseco Int filed Critical Foseco Int
Publication of BR7208299D0 publication Critical patent/BR7208299D0/pt

Links

Classifications

    • 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
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/87—Ceramics
    • 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
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5053—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials non-oxide ceramics
    • C04B41/5057—Carbides
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2918—Rod, strand, filament or fiber including free carbon or carbide or therewith [not as steel]
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2913—Rod, strand, filament or fiber
    • Y10T428/2933—Coated or with bond, impregnation or core
    • Y10T428/2935—Discontinuous or tubular or cellular core

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
BR8299/72A 1971-11-26 1972-11-27 Processo de protecao de eletrodos de grafite BR7208299D0 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5512871 1971-11-26

Publications (1)

Publication Number Publication Date
BR7208299D0 true BR7208299D0 (pt) 1973-09-25

Family

ID=10473042

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8299/72A BR7208299D0 (pt) 1971-11-26 1972-11-27 Processo de protecao de eletrodos de grafite

Country Status (5)

Country Link
US (1) US3852107A (pt)
AR (1) AR198295A1 (pt)
AU (1) AU466850B2 (pt)
BR (1) BR7208299D0 (pt)
ZA (1) ZA728359B (pt)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5425913B2 (pt) * 1975-03-24 1979-08-31
US4241104A (en) * 1978-10-16 1980-12-23 The Fluorocarbon Company Process for bonding carbon substrates using particles of a thermally stable solid
US4418097A (en) * 1981-12-11 1983-11-29 Martin Marietta Corporation Coating for graphite electrodes
US4588700A (en) * 1982-08-02 1986-05-13 Nalco Chemical Company Coating to prevent the oxidation of electrodes during electric furnace steel making
US4487804A (en) * 1982-08-02 1984-12-11 Nalco Chemical Company Coating to prevent the oxidation of electrodes during electric furnace steel making
US4515860A (en) * 1982-09-10 1985-05-07 Dart Industries Inc. Self protecting carbon bodies and method for making same
US4439491A (en) * 1982-11-18 1984-03-27 Great Lakes Carbon Corporation Oxidation retardant for graphite
US4477579A (en) * 1983-04-14 1984-10-16 Nalco Chemical Company Electrode coating and coated electrodes
US4567103A (en) * 1983-07-28 1986-01-28 Union Carbide Corporation Carbonaceous articles having oxidation prohibitive coatings thereon
US4559270A (en) * 1983-07-28 1985-12-17 Union Carbide Corporation Oxidation prohibitive coatings for carbonaceous articles
DE3600019A1 (de) * 1985-02-11 1986-08-14 Scantherm A/S, Fredrikstad Verfahren zum zufuehren von waermeenergie zu einer metallschmelze und dabei verwendbares heizelement
US4931413A (en) * 1986-11-03 1990-06-05 Toyota Jidosha Kabushiki Kaisha Glass ceramic precursor compositions containing titanium diboride
US5310476A (en) * 1992-04-01 1994-05-10 Moltech Invent S.A. Application of refractory protective coatings, particularly on the surface of electrolytic cell components
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
US5364513A (en) 1992-06-12 1994-11-15 Moltech Invent S.A. Electrochemical cell component or other material having oxidation preventive coating
US5651874A (en) * 1993-05-28 1997-07-29 Moltech Invent S.A. Method for production of aluminum utilizing protected carbon-containing components
CA2131288C (en) * 1992-04-01 1998-01-20 Jainagesh A. Sekhar Prevention of oxidation of carbonaceous and other materials at high temperatures
US5486278A (en) * 1993-06-02 1996-01-23 Moltech Invent S.A. Treating prebaked carbon components for aluminum production, the treated components thereof, and the components use in an electrolytic cell
EP0905284B1 (en) * 1994-09-08 2002-04-03 MOLTECH Invent S.A. Aluminium electrowinning cell with drained cathode
US5753163A (en) * 1995-08-28 1998-05-19 Moltech. Invent S.A. Production of bodies of refractory borides
US5753382A (en) * 1996-01-10 1998-05-19 Moltech Invent S.A. Carbon bodies resistant to deterioration by oxidizing gases
US6475358B2 (en) 2000-02-16 2002-11-05 Alcan International Limited Method for providing a protective coating for carbonaceous components of an electrolysis cell
EP1693486B1 (en) 2000-02-16 2009-04-29 Alcan International Limited A method for providing a protective coating for carbonaceous components of an electrolysis cell
US7118666B2 (en) * 2001-08-27 2006-10-10 Alcoa Inc. Protecting an inert anode from thermal shock
AU2004200431B8 (en) * 2003-02-25 2009-03-12 Alcoa Usa Corp. Protecting an inert anode from thermal shock
CN115176369B (zh) 2019-12-20 2025-11-28 维多利亚林克有限公司 阴极
US20220287161A1 (en) * 2021-03-05 2022-09-08 Ecolab Usa Inc. Coatings for electrodes in electric arc furnaces

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1742259A (en) * 1925-07-17 1930-01-07 Harper Electric Furnace Corp Electrical resistor, conductor, and the like
US1948382A (en) * 1931-09-02 1934-02-20 Nat Carbon Co Inc Oxidation resisting carbon article
DE1758169A1 (de) * 1967-04-17 1971-01-14 Mitsubishi Steel Mfg Elektrode mit gegen Oxydation widerstandsfaehiger Schutzschicht und Verfahren zum UEberziehen der Elektrode mit einer solchen Schutzschicht

Also Published As

Publication number Publication date
ZA728359B (en) 1973-08-29
AU466850B2 (en) 1975-11-13
AR198295A1 (es) 1974-06-14
US3852107A (en) 1974-12-03
AU4924672A (en) 1974-05-30

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