Glass manufacturing process with in-situ colemanite calcination

Details Glass manufacturing process with in-situ colemanite calcination Glass manufacturing process with in-situ colemanite calcination

1980-04-07

1981-08-04

Fisher, Richard V.

Glass manufacturing

Processes

Repairing or cleaning of apparatus; or batch dust prevention...

65335, 106 54, 106DIG8, 423279, C03B 100, C03B 300, C03C 102, C03C 308

Patent

active

042820189

ABSTRACT:
An improvement is provided in glass manufacturing processes of the type wherein combustion products are passed upwardly and in countercurrent flow through a bed of gravitationally downwardly moving agglomerates of glass forming batch constituents. The improvement resides in utilizing excess sensible heat in the combustion products by passing raw colemanite through such a bed in indirect heat exchange contact with the combustion products so as to heat such colemanite to a temperature in excess of that needed to release its chemically bound water and then employing such colemanite as a batch ingredient.

REFERENCES:
patent: 3309170 (1967-03-01), Griswold
patent: 3865541 (1975-02-01), Wilson et al.
patent: 4074990 (1978-02-01), Brzozowski et al.
patent: 4184861 (1980-01-01), Erickson
"Guidebook: Las Vegas to Death Valley and Return", Nevada Bureau of Mines and Geology, Report 26, University of Nevada-Reno, 1975.

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