IT1010289B - Forno elettrico - Google Patents

Forno elettrico

Info

Publication number
IT1010289B
IT1010289B IT22134/74A IT2213474A IT1010289B IT 1010289 B IT1010289 B IT 1010289B IT 22134/74 A IT22134/74 A IT 22134/74A IT 2213474 A IT2213474 A IT 2213474A IT 1010289 B IT1010289 B IT 1010289B
Authority
IT
Italy
Prior art keywords
electric oven
oven
electric
Prior art date
Application number
IT22134/74A
Other languages
English (en)
Italian (it)
Original Assignee
Corhart Refractories 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 Corhart Refractories Co filed Critical Corhart Refractories Co
Application granted granted Critical
Publication of IT1010289B publication Critical patent/IT1010289B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • C03B5/1677—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches by use of electrochemically protection means, e.g. passivation of electrodes
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
    • C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
    • C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/445—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being transistors in series with the load
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/40—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices
    • G05F1/44—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only
    • G05F1/45—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load
    • G05F1/455—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using discharge tubes or semiconductor devices as final control devices semiconductor devices only being controlled rectifiers in series with the load with phase control
    • 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
    • H05B3/00—Ohmic-resistance heating
    • H05B3/0019—Circuit arrangements
    • H05B3/0023—Circuit arrangements for heating by passing the current directly across the material to be heated
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S65/00—Glass manufacturing
    • Y10S65/04—Electric heat

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Furnace Details (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Control Of Resistance Heating (AREA)
  • Glass Melting And Manufacturing (AREA)
IT22134/74A 1973-04-30 1974-04-30 Forno elettrico IT1010289B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00355877A US3818112A (en) 1973-04-30 1973-04-30 Electrical furnace for melting glass

Publications (1)

Publication Number Publication Date
IT1010289B true IT1010289B (it) 1977-01-10

Family

ID=23399181

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22134/74A IT1010289B (it) 1973-04-30 1974-04-30 Forno elettrico

Country Status (9)

Country Link
US (1) US3818112A (de)
JP (1) JPS5013939A (de)
BE (1) BE814414A (de)
CA (1) CA1007686A (de)
DE (1) DE2420749A1 (de)
FR (1) FR2227706B1 (de)
GB (1) GB1466159A (de)
IT (1) IT1010289B (de)
NL (1) NL7405742A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967046A (en) * 1975-02-18 1976-06-29 Owens-Corning Fiberglas Corporation Apparatus and method for increasing furnace life in an electric furnace for thermoplastic materials
IT7940024A0 (it) * 1979-02-19 1979-02-19 Tironi Electromecc Metodo per la fusione di materiali vetrosi ed uso di dispositivo idoneo alla realizzazione del metodo
DE3017374C1 (de) * 1980-05-07 1982-08-26 Eglasstrek Patent Promotion & Awarding GmbH, 6203 Hochheim Vorrichtung zur Herstellung von Glasfasern
US4413346A (en) * 1981-11-04 1983-11-01 Corning Glass Works Glass-melting furnace with batch electrodes
US4737966A (en) * 1987-01-12 1988-04-12 Corning Glass Works Electric melter for high electrical resistivity glass materials
US4741753A (en) * 1987-03-12 1988-05-03 Owens-Corning Fiberglas Corporation Method and apparatus for electrically heating molten glass
DE10041757C1 (de) * 2000-08-25 2002-02-21 Schott Glas Verfahren und Vorrichtung zum Läutern von Glas
FR2892497B1 (fr) * 2005-10-24 2008-07-04 Air Liquide Procede de combustion mixte dans un four a regenerateurs
CN101407368B (zh) * 2008-10-23 2011-02-02 黎国琪 一种烧制琉璃件的专用电窑及控制方法
TWI764952B (zh) * 2016-11-08 2022-05-21 美商康寧公司 用於形成玻璃製品之設備及方法
JP2023091397A (ja) * 2021-12-20 2023-06-30 日本電気硝子株式会社 ガラス物品の製造方法及びガラス物品の製造装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3395237A (en) * 1967-05-03 1968-07-30 Harold S. Orton Electric resistance furnace

Also Published As

Publication number Publication date
FR2227706A1 (de) 1974-11-22
US3818112A (en) 1974-06-18
BE814414A (fr) 1974-10-30
DE2420749A1 (de) 1974-11-21
JPS5013939A (de) 1975-02-13
CA1007686A (en) 1977-03-29
FR2227706B1 (de) 1978-01-20
NL7405742A (de) 1974-11-01
GB1466159A (en) 1977-03-02

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