Drying and preheating agglomerates containing clay having coarse

Details Drying and preheating agglomerates containing clay having coarse Drying and preheating agglomerates containing clay having coarse

1980-08-07

1983-09-20

Fisher, Richard V.

Glass manufacturing

Processes

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

C03B 100, C03B 300

Patent

active

044053509

ABSTRACT:
Glass batch agglomerates are formed, fed to a vertical bed preheat hopper, dried and preheated with furnace exhaust gases, and then fed to a glass melting furnace. The green pellets may spall if the batch particle size distribution results in a pellet with insufficient pore volume to degas effectively. By employing clay having a coarse particle size in the glass batch agglomerates, spalling and stack emissions are reduced during drying and preheating.

REFERENCES:
patent: 4074990 (1978-02-01), Brzozowski et al.
patent: 4225332 (1980-09-01), Tsay
"Volclay, Wyoming Bentonite", American Colloid Co., Technical Data Sheet, Data No. 100, 1970.
Harman et al, "Fundamental Properties of Raw Clays Influencing Their Use", Journal of American Ceramic Society, vol. 28, No. 4, 1945, pp. 110-118.
"Bentonite", Kirk-Othmer, Enc. of Chem. Technology, Rev. Ed., vol. 3, 1971, pp. 339-358.

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