Method and furnace for melting inorganic materials

Details Method and furnace for melting inorganic materials Method and furnace for melting inorganic materials

1988-10-31

1990-05-01

Woodard, Joye L.

Glass manufacturing

Processes

Fining or homogenizing molten glass

65136, 65335, 65339, 65347, C03B 504

Patent

active

049215213

ABSTRACT:
This furnace for melting inorganic materials comprises a plurality of spaced-apart inner walls dividing the furnace interior into a plurality of chambers, at least one being a liquefying chamber and at least one being a secondary chamber. Each liquefying chamber is provided with a crown and charge ports adjacent the edges of the crown through which batch material is fed into the liquefying chamber. Batch material entering through one of the charge ports moves down an inclined surface of one of the inner walls where it is heated and part of it liquefied by a flame present in the associated liquefying chamber. This liquefying chamber collects liquefied batch at its bottom and hot gases above the liquefied batch. Between the liquefying chamber and an adjacent secondary chamber, there are one or more passages through which: (i) liquefied batch from the liquefying chamber can flow into the secondary chamber and collect on its bottom and (ii) hot gases from the liquefying chamber can flow into the secondary chamber and pass over the liquefied batch in the secondary chamber.

REFERENCES:
patent: Re32317 (1986-12-01), Kunkle et al.
patent: 2097379 (1937-10-01), McIntyre et al.
patent: 2593197 (1952-04-01), Rough
patent: 4045197 (1977-08-01), Tsai et al.
patent: 4113459 (1978-09-01), Mattmuller
patent: 4798616 (1989-01-01), Knavish et al.

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