Bottom outlet device for a glass melting furnace

Details Bottom outlet device for a glass melting furnace Bottom outlet device for a glass melting furnace

1991-02-25

1992-05-12

Fisher, Richard V.

Glass manufacturing

Molten glass dispensing means

Discharge orifice below melt level

373 33, 373 36, 373 41, C03B 526, C03B 708

Patent

active

051123789

ABSTRACT:
A bottom outlet device is provided for a glass melting furnace, with heating of a glass melt being effected to within the temperature range of the electrical conductivity of the melt by way of electrodes disposed in the interior of the furnace and projecting into the melt. An inductively heatable and metallic outlet unit projects from the bottom of the furnace and includes an outlet opening and an interior outlet channel communicating with the outlet opening. An outlet block comprised of ceramic bricks is disposed above the outlet unit and includes a throughgoing channel which opens toward the interior of the furnace and which is flush with the interior outlet channel of the outlet unit. A bottom electrode comprised of metal is disposed at a lowermost portion of the interior of the furnace. The bottom electrode is penetrated by a further channel which is flush with the throughgoing channel in the outlet block and is thereby in communication with the outlet opening of the outlet unit.

REFERENCES:
patent: 4017294 (1977-04-01), Sanford

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