Glass melting furnace and method

Details Glass melting furnace and method Glass melting furnace and method

1978-01-26

1980-01-22

Envall, Jr., Roy N.

Glass manufacturing

Processes

Fining or homogenizing molten glass

13 6, C03B 502

Patent

active

041848632

ABSTRACT:
A method for the melting of glass, wherein a layer or blanket of batch material is fed onto a bath of molten glass, the liquid glass is withdrawn from the bath in a lower position through an opening, and the batch material is subjected to thermal energy from above to melt said batch material providing passing the glass after the melting thereof in a vertically downwardly directed, non-turbulent stream, and additionally heating the glass in said stream by passing electric current therethrough until the final gas removal (refining) is obtained, whereupon the glass is further conducted in vertically downward direction, homogenized in the next lower zone without the supply of energy, and withdrawn from a lower point of said zone and a glass melting furnace for carrying out said method providing a depth of said refining section exceeding the depth of said melting section by about three times.

REFERENCES:
patent: 2283188 (1942-05-01), Cornelius
patent: 2691689 (1954-10-01), Arbeit et al.
patent: 3997316 (1976-12-01), Koontz
patent: 4012218 (1977-03-01), Sorg et al.

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