IT1174770B - Perfezionamento negli elettrodi con sumabili per la produzione di acciaio in forni elettrici e composizione per il loro rivestimento per impedirne la ossidazione - Google Patents

Perfezionamento negli elettrodi con sumabili per la produzione di acciaio in forni elettrici e composizione per il loro rivestimento per impedirne la ossidazione

Info

Publication number
IT1174770B
IT1174770B IT48776/83A IT4877683A IT1174770B IT 1174770 B IT1174770 B IT 1174770B IT 48776/83 A IT48776/83 A IT 48776/83A IT 4877683 A IT4877683 A IT 4877683A IT 1174770 B IT1174770 B IT 1174770B
Authority
IT
Italy
Prior art keywords
sumables
electrodes
improvement
coating
steel
Prior art date
Application number
IT48776/83A
Other languages
English (en)
Other versions
IT8348776A0 (it
IT8348776A1 (it
Inventor
Frederick V Reven
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of IT8348776A0 publication Critical patent/IT8348776A0/it
Publication of IT8348776A1 publication Critical patent/IT8348776A1/it
Application granted granted Critical
Publication of IT1174770B publication Critical patent/IT1174770B/it

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
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/08—Frit compositions, i.e. in a powdered or comminuted form containing phosphorus
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/14—Glass frit mixtures having non-frit additions, e.g. opacifiers, colorants, mill-additions
    • 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
    • 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
    • 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
    • H05B7/06—Electrodes
    • H05B7/08—Electrodes non-consumable
    • H05B7/085—Electrodes non-consumable mainly consisting of carbon
    • 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
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/259—Silicic material
    • 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
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
    • 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
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Discharge Heating (AREA)
  • Chemically Coating (AREA)
  • Paints Or Removers (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
IT48776/83A 1982-08-02 1983-07-28 Perfezionamento negli elettrodi con sumabili per la produzione di acciaio in forni elettrici e composizione per il loro rivestimento per impedirne la ossidazione IT1174770B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/404,099 US4487804A (en) 1982-08-02 1982-08-02 Coating to prevent the oxidation of electrodes during electric furnace steel making

Publications (3)

Publication Number Publication Date
IT8348776A0 IT8348776A0 (it) 1983-07-28
IT8348776A1 IT8348776A1 (it) 1985-01-28
IT1174770B true IT1174770B (it) 1987-07-01

Family

ID=23598158

Family Applications (1)

Application Number Title Priority Date Filing Date
IT48776/83A IT1174770B (it) 1982-08-02 1983-07-28 Perfezionamento negli elettrodi con sumabili per la produzione di acciaio in forni elettrici e composizione per il loro rivestimento per impedirne la ossidazione

Country Status (6)

Country Link
US (1) US4487804A (it)
JP (1) JPS5951499A (it)
CA (1) CA1190042A (it)
DE (1) DE3327251A1 (it)
FR (1) FR2531301B1 (it)
IT (1) IT1174770B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809361A1 (de) * 1988-03-19 1989-09-28 Sigri Gmbh Verfahren zur verringerung des abbrands von graphitelektroden
US5304417A (en) * 1989-06-02 1994-04-19 Air Products And Chemicals, Inc. Graphite/carbon articles for elevated temperature service and method of manufacture
US5254359A (en) * 1989-06-02 1993-10-19 Air Products And Chemicals, Inc. Method of forming titanium nitride coatings on carbon/graphite substrates by electric arc thermal spray process using titanium feed wire and nitrogen as the atomizing gas
WO1993010058A1 (fr) * 1991-11-20 1993-05-27 Gosudarstvenny Nauchno-Issledovatelsky Institut Konstruktsionnykh Materialov Na Osnove Grafita (Niigrafit) Composition d'obtention d'un revetement anti-oxydation protecteur sur un article en carbone
FR2685694B1 (fr) * 1991-12-30 1994-06-03 Europ Propulsion Procede pour la protection contre l'oxydation de produits en materiau composite contenant du carbone, et produits obtenus par le procede.
US5651874A (en) * 1993-05-28 1997-07-29 Moltech Invent S.A. Method for production of aluminum utilizing protected carbon-containing 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
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
US5364513A (en) 1992-06-12 1994-11-15 Moltech Invent S.A. Electrochemical cell component or other material having oxidation preventive coating
FR2700773B1 (fr) * 1993-01-28 1995-03-03 Pechiney Recherche Revêtements de protection des matériaux contre les réactions avec l'atmosphère à haute température.
FR2718129B1 (fr) * 1994-04-05 1996-06-21 Europ Propulsion Procédé pour la protection contre l'oxydation d'un matériau poreux contenant du carbone, et matériau obtenu.
CA2199288C (en) * 1994-09-08 2008-06-17 Vittorio De Nora Aluminium electrowinning cell with improved carbon cathode blocks
US5753163A (en) * 1995-08-28 1998-05-19 Moltech. Invent S.A. Production of bodies of refractory borides
US5962135A (en) * 1997-04-09 1999-10-05 Alliedsignal Inc. Carbon/carbon friction material
US6726753B2 (en) * 2002-07-30 2004-04-27 Honeywell International Inc. Coated carbon brake disc materials
DE10343687A1 (de) * 2003-09-20 2005-04-21 Sachtleben Chemie Gmbh Verfahren zur Verbesserung der Haltbarkeit von Kohlenstoff- oder Graphitelektroden durch Einsatz von TiO¶2¶-haltigen Produkten
WO2006070021A1 (de) * 2004-12-31 2006-07-06 Viking Advanced Materials Gmbh Beschichtungssystem
US20110020553A1 (en) * 2009-07-21 2011-01-27 Honeywell International Inc. Anti-oxidant coating for carbon composite disks
CN105065413A (zh) * 2015-08-20 2015-11-18 无锡中强电碳有限公司 一种防断石墨螺栓
ES3062376T3 (en) 2018-10-15 2026-04-10 Chemtreat Inc Methods of protecting furnace electrodes with cooling liquid that contains an additive
EP3785490B1 (en) 2018-10-15 2023-03-29 Chemtreat, Inc. Spray cooling furnace electrodes with a cooling liquid that contains surfactants

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US504105A (en) * 1893-08-29 eiirenfried corleis and hermann
US2897102A (en) * 1957-07-01 1959-07-28 Union Carbide Corp Oxidation resistant graphite and method for making the same
US3264135A (en) * 1962-11-28 1966-08-02 Noel T Wakelyn Method of coating carbonaceous base to prevent oxidation destruction and coated base
US3553010A (en) * 1967-07-26 1971-01-05 Sigri Elektrographit Gmbh Carbon or graphite formed body
DE2042225C3 (de) * 1970-01-22 1975-02-27 Centro Sperimentale Metallurgico S.P.A., Rom Imprägnierlösung zur Verbesserung der Oxydationsbeständigkeit von kohlenstoffhaltigen Körpern
PL76725B1 (it) * 1970-10-10 1975-02-28
US3708317A (en) * 1970-12-07 1973-01-02 Koninklijke Hoogovens En Staal Metallurgical furnace lining and method of production
US3713882A (en) * 1971-03-05 1973-01-30 Brunner R De Method of protecting carbonaceous material from oxidation at high temperature
ZA728359B (en) * 1971-11-26 1973-08-29 Foseco Int Protection of graphite electrodes
GB1431891A (en) * 1972-03-22 1976-04-14 Foseco Int Protective coatings onto graphite articles
GB1375553A (it) * 1972-11-08 1974-11-27
US3964924A (en) * 1975-07-11 1976-06-22 Pfizer Inc. Protective coating for graphite electrodes

Also Published As

Publication number Publication date
DE3327251A1 (de) 1984-02-23
JPS6350836B2 (it) 1988-10-12
IT8348776A0 (it) 1983-07-28
FR2531301A1 (fr) 1984-02-03
JPS5951499A (ja) 1984-03-24
IT8348776A1 (it) 1985-01-28
US4487804A (en) 1984-12-11
FR2531301B1 (fr) 1986-04-18
CA1190042A (en) 1985-07-09

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