Glass melting furnace and method of operation

Details Glass melting furnace and method of operation Glass melting furnace and method of operation

1975-03-31

1976-12-21

Kellogg, Arthur D.

Glass manufacturing

Processes

With measuring, sensing, inspecting, indicating, or testing

65 32, 65162, 65346, C03B 516

Patent

active

039986152

ABSTRACT:
A regenerative tank-type furnace and a method for regulating the atmospheric pressure in its working end wherein the headspace above the molten glass contained in the tank at the melting end is separated from the headspace at the working end together with controllable means for regulating the atmospheric pressure in the headspace above the working end independently of the pressure in the headspace of the melting end. The furnace atmospheric pressure in the working end is sensed and compared with the ambient external atmospheric pressure outside the working end to produce a signal which is employed to make adjustments in the dampering of an exhaust system communicating the working end with the outside atmosphere. This makes it possible to control as desired the furnace atmospheric pressure above the molten glass in the working end and, as a result, prevent disturbing atmospheric currents from acting upon the molten glass contained in the tank and adversely affecting the quality of a glass ribbon formed therefrom.

REFERENCES:
patent: 3507637 (1975-11-01), Javaux
patent: 3535096 (1970-10-01), Bour et al.
patent: 3860407 (1975-01-01), Fertik

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