Method and apparatus for continuously melting glass and intermit

Details Method and apparatus for continuously melting glass and intermit Method and apparatus for continuously melting glass and intermit

1989-09-11

1990-10-09

Woodard, Joye L.

Glass manufacturing

Processes

Fining or homogenizing molten glass

65160, 65179, 65339, 65347, C03B 500, C03B 518, C03B 526

Patent

active

049617729

ABSTRACT:
A glass melting furnace comprises a base structure (6) defining a melting chamber (8) an intermediate chamber (10), and a working chamber (12), in which chambers heaters are located. An opening (22) is provided into the melting chamber (8), through which batch material may be deposited on the body of molten glass in the melting chamber. Glass flows from the melting chamber (8) through an outlet (26) at a lower part thereof, which may open into the intermediate chamber (10), and flows over a wier (30) from the intermediate chamber (10) into the working chamber. Located in the outer walls of the working chamber are working outlets (34), through which blowing irons or the like tools may be entered, for a manual withdrawal of molten glass from the chamber (12).
The rate of production of molten glass by the melting chamber (8) is lower than the rate of utilization, such that during a working shift the level of glass in the working chamber falls from a maximum level towards a minimum level, and outside the working shift (e.g. overnight) the level in the working chamber increases from the minimum level to a maximum level.
Overflow ducts (44) are provided, at locations which define the maximum level of glass in the working chamber i.e. a short distance below the locations of the working outlets (34).

REFERENCES:
patent: 1538229 (1925-05-01), Weaver
patent: 1669676 (1928-05-01), Schneider
patent: 1898039 (1933-02-01), Eckert
patent: 2512761 (1950-06-01), Arbeit
patent: 3085408 (1963-04-01), Arbeit
patent: 4113461 (1978-09-01), Sturm
patent: 4424071 (1984-01-01), Steitz et al.

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