Method and apparatus for electrically heating molten glass

Details Method and apparatus for electrically heating molten glass Method and apparatus for electrically heating molten glass

1987-03-12

1988-05-03

Lindsay, Robert L.

Glass manufacturing

Processes

Fining or homogenizing molten glass

65337, 65DIG4, 373 41, C03B 5235

Patent

active

047417536

ABSTRACT:
A method and apparatus for continuously melting and refining molten glass are disclosed which comprises the steps of applying a preponderance of heat to a molten glass mass by Joule effect heating and pulsating a portion of the heat applied to the molten glass mass such that the temperature of the surface molten glass is increased and the temperature of the molten glass being withdrawn is reduced and the total energy supplied to the furnace is reduced. An electric circuit means comprising at least two interconnected electrodes is pulsated on and off at predetermined time intervals in order to establish the desired temperature profile within the molten glass mass.

REFERENCES:
patent: 3741742 (1973-06-01), Jennings
patent: 3818112 (1974-06-01), Clishem
patent: 3836689 (1974-09-01), Holler et al.
patent: 3842180 (1974-10-01), Froberg et al.
patent: 4599100 (1986-07-01), Demarest

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