GB835201A - A method of and furnace for refining glass - Google Patents

A method of and furnace for refining glass

Info

Publication number
GB835201A
GB835201A GB5240/55A GB524055A GB835201A GB 835201 A GB835201 A GB 835201A GB 5240/55 A GB5240/55 A GB 5240/55A GB 524055 A GB524055 A GB 524055A GB 835201 A GB835201 A GB 835201A
Authority
GB
United Kingdom
Prior art keywords
zone
electrodes
opening
furnace
current path
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB5240/55A
Inventor
Philip Anthony Maunsell Gell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Elemelt Ltd
Original Assignee
Elemelt Ltd
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 Elemelt Ltd filed Critical Elemelt Ltd
Priority to GB5240/55A priority Critical patent/GB835201A/en
Publication of GB835201A publication Critical patent/GB835201A/en
Expired legal-status Critical Current

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
    • C03B5/02—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
    • 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
    • C03B5/18—Stirring devices; Homogenisation
    • C03B5/183—Stirring devices; Homogenisation using thermal means, e.g. for creating convection currents
    • C03B5/185—Electric means
    • 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
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
    • Y02P40/57—Improving the yield, e-g- reduction of reject rates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Glass Melting And Manufacturing (AREA)

Abstract

835,201. Electrode furnaces. ELEMELT Ltd. April 12, 1956 [Feb. 22, 1955(2)], Nos. 5240/55 and 5242/55. Class 39(3) [Also in Group XXIII] In the refining zone of a glass furnace having separate melting and refining zones or, as shown, in the common melting and refining zone 10, electrodes 13, 14 are provided along and preferably slightly in front of the end walls 30, 31 to form an alternating current path along the length of the zone to induce the convection currents shown in Fig. 3, and an opening 37 is provided in the floor of the furnace of such dimensions that a downward pull is exerted on the lower portion (i.e. the more refined portion) of the glass above the opening, which pull exceeds the upward convection flow which continues in the (less refined) upper portion. The opening communicates with a duct 12 leading to the forehearth or other zone 11 of the furnace and the dimensions of the opening are:- Length L (i.e. dimension parallel to the current path between electrodes 13 and 14) between one eighth and one half the length of the current path, and width W between half and the whole of the width of the zone 10, L in the form shown being less than W. The electrodes may be as described in Specification 756,382, and coolers 53 acting on-the blocks 54 near the ends of the opening may be provided. Electrodes may be provided in the duct 12 or, as shown, electrodes 15 may be provided in the zone 11 so that an auxiliary current path is formed in the duct 12 and the auxiliary current is of such magnitude as to produce the desired working temperature in the glass in the zone 11. Specifications 835,202 and 835,205 also are referred to.
GB5240/55A 1955-02-22 1955-02-22 A method of and furnace for refining glass Expired GB835201A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5240/55A GB835201A (en) 1955-02-22 1955-02-22 A method of and furnace for refining glass

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5240/55A GB835201A (en) 1955-02-22 1955-02-22 A method of and furnace for refining glass

Publications (1)

Publication Number Publication Date
GB835201A true GB835201A (en) 1960-05-18

Family

ID=9792344

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5240/55A Expired GB835201A (en) 1955-02-22 1955-02-22 A method of and furnace for refining glass

Country Status (1)

Country Link
GB (1) GB835201A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3509766A1 (en) * 1984-04-03 1985-10-10 SKLO UNION koncern pro výrobu prumyslového skla, Teplice ELECTRIC GLASS MELTING STOVE, ESPECIALLY FOR MELTING BORSILICATES
EP1055645A2 (en) * 1999-05-28 2000-11-29 Schott Glas Glass melting furnace and method for melting glass
DE102018108418A1 (en) * 2018-04-10 2019-10-10 Schott Ag Process for the preparation of glass products and apparatus suitable for this purpose

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3509766A1 (en) * 1984-04-03 1985-10-10 SKLO UNION koncern pro výrobu prumyslového skla, Teplice ELECTRIC GLASS MELTING STOVE, ESPECIALLY FOR MELTING BORSILICATES
EP1055645A2 (en) * 1999-05-28 2000-11-29 Schott Glas Glass melting furnace and method for melting glass
EP1055645A3 (en) * 1999-05-28 2001-05-23 Schott Glas Glass melting furnace and method for melting glass
US6339610B1 (en) 1999-05-28 2002-01-15 Schott Glas Glass melting tank and process for melting glass
DE102018108418A1 (en) * 2018-04-10 2019-10-10 Schott Ag Process for the preparation of glass products and apparatus suitable for this purpose

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