Glass melting furnace for glazing environmentally hazardous wast

Details Glass melting furnace for glazing environmentally hazardous wast Glass melting furnace for glazing environmentally hazardous wast

1989-01-30

1990-08-14

Woodard, Joye L.

Glass manufacturing

Gathering or drawing pool type furnace

Separate and distinct means defining pool

65337, 65347, C03B 503, C03B 520

Patent

active

049484117

ABSTRACT:
Furnace has a melting section and a withdrawal section bounded by side walls of refractory material which extend to a glass outlet formed by an overflow edge remote from the melting section. In operation a molten glass layer, a molten layer of undissolved sulfates, and a batch layer succeed one another from the bottom up in the melting section. The withdrawal section is separated from the melting section by a first dividing wall extending downwardly and terminating above the surface of the molten glass. A second dividing wall is disposed for the formation of an underside glass passage, and at least one closable opening for withdrawing the molten sulfates is disposed at the level of the sulfate layer between the first and second dividing walls. The opening has a bottom boundary whose height is adjustable, so that it can be adjusted to lie above the surface of the glass melt.

REFERENCES:
patent: 1597440 (1926-08-01), Ferngren
patent: 1818203 (1931-08-01), Drake
patent: 1872477 (1932-08-01), Mambourg
patent: 1875474 (1932-09-01), McKinley
patent: 2122469 (1938-07-01), Hitner
patent: 3226220 (1965-12-01), Plumat
patent: 3420653 (1969-01-01), Boettner
patent: 3499743 (1970-03-01), Fanica et al.
patent: 3771986 (1973-11-01), Stultz et al.
patent: 4678493 (1987-07-01), Roberts et al.

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