Preheater for compacted vitrifiable material

Details Preheater for compacted vitrifiable material Preheater for compacted vitrifiable material

1980-07-25

1982-04-06

Kellogg, Arthur D.

Glass manufacturing

Glass furnace with furnace charging means

65 27, 432 17, 432 69, 432 70, C03B 300

Patent

active

043233848

ABSTRACT:
A preheater in the form of a vertical column for treating a vitrifiable composition introduced into the column at the top and which moves through the column by the force of gravity. The vitrifiable composition, which ultimately moves from the column to feed a glass-smelting furnace is treated through heat exchange with hot gases from a regenerator or recuperator of the smelting furnace which move upwardly through the column, against the flow of the vitrifiable composition. An element is located within the column to form a mixing chamber for hot gases within the region of the element and an upper sloping alignment of the vitrifiable composition which takes shape below the element, as well as to provide means for decelerating movement of the vitrifiable composition within the region of the axis of the column so that movement of the vitrifiable composition throughout the cross section of the column is substantially uniform. In this manner a greater uniformity in heating of the vitrifiable composition is achieved.

REFERENCES:
patent: Re29622 (1978-05-01), Lange
patent: 3172648 (1965-03-01), Brichard
patent: 3320045 (1967-05-01), Weiss et al.
patent: 3607190 (1971-09-01), Penberthy
patent: 3832128 (1974-08-01), Paul
patent: 3953190 (1976-04-01), Lange
patent: 4248616 (1981-02-01), Seng et al.

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