GB1137095A - Improvements in or relating to glass melting apparatus - Google Patents

Improvements in or relating to glass melting apparatus

Info

Publication number
GB1137095A
GB1137095A GB1692866A GB1692866A GB1137095A GB 1137095 A GB1137095 A GB 1137095A GB 1692866 A GB1692866 A GB 1692866A GB 1692866 A GB1692866 A GB 1692866A GB 1137095 A GB1137095 A GB 1137095A
Authority
GB
United Kingdom
Prior art keywords
electrode
blocks
melt
glass melting
ceo
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
GB1692866A
Inventor
Osborne Adams
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.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
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 General Electric Co PLC filed Critical General Electric Co PLC
Priority to GB1692866A priority Critical patent/GB1137095A/en
Publication of GB1137095A publication Critical patent/GB1137095A/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
    • C03B5/16—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
    • C03B5/1672—Use of materials therefor
    • 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
    • C03B5/167—Means for preventing damage to equipment, e.g. by molten glass, hot gases, batches
    • 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
    • C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • 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
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/50—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on rare-earth compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Structural Engineering (AREA)
  • Composite Materials (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Compositions Of Oxide Ceramics (AREA)

Abstract

1,137,095. Glass melting furnace walls. GENERAL ELECTRIC CO. Ltd. 14 July, 1967 [18 April, 1966], No. 16928/66. Heading F4B. . A glass melting furnace has the tank block<SP>s</SP> or the inner surface thereof formed of a mixtur<SP>e</SP> of ZrO 2 and CeO 2 (10%-30% by weight), at least one electrode disposed in contact with the melt and an external connection between the blocks and the electrode(s), whereby a galvanic current passes through the melt, positive ions reacting with the electrode to produce a substance soluble in or compatible with the melt and negative ions are liberated at the inner surfaces of the blocks. The electrode(s) comprise Mo or W metal, or sintered SnO 2 plus an additive. The electrode and block materials may be exchanged and they may be connected to an external current source. Each electrode may be a replaceable block included in the tank wall and both blocks and electrodes may be formed by isostatically pressing and sintering ZrO 2 /CeO 2 powders with an addition of 1 % Sb 2 O 3 or SnO 2 . Parts of the surfaces of the blocks may be coated with metal to provide suitable electric contact surfaces.
GB1692866A 1966-04-18 1966-04-18 Improvements in or relating to glass melting apparatus Expired GB1137095A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1692866A GB1137095A (en) 1966-04-18 1966-04-18 Improvements in or relating to glass melting apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1692866A GB1137095A (en) 1966-04-18 1966-04-18 Improvements in or relating to glass melting apparatus

Publications (1)

Publication Number Publication Date
GB1137095A true GB1137095A (en) 1968-12-18

Family

ID=10086188

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1692866A Expired GB1137095A (en) 1966-04-18 1966-04-18 Improvements in or relating to glass melting apparatus

Country Status (1)

Country Link
GB (1) GB1137095A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538367A1 (en) * 1982-12-22 1984-06-29 Wiederaufarbeitung Von Kernbre FUSION OVEN FOR VITRIFICATION OF HIGHLY RADIOACTIVE WASTE
WO2018129010A1 (en) * 2017-01-03 2018-07-12 Corning Incorporated Apparatus and methods for producing glass comprising crystal zirconia

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538367A1 (en) * 1982-12-22 1984-06-29 Wiederaufarbeitung Von Kernbre FUSION OVEN FOR VITRIFICATION OF HIGHLY RADIOACTIVE WASTE
GB2133126A (en) * 1982-12-22 1984-07-18 Wiederaufarbeitung Von Kernbre Melting furnace
US4660211A (en) * 1982-12-22 1987-04-21 Deutsche Gesellschaft Melting furnace for vitrifying highly radioactive waste
WO2018129010A1 (en) * 2017-01-03 2018-07-12 Corning Incorporated Apparatus and methods for producing glass comprising crystal zirconia

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