Process and apparatus for drying and classifying particulate gra

Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor

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Details

34 15, 34 57R, 34 57D, 34 57E, 34 92, F26B 310

Patent

active

046190520

ABSTRACT:
A direct heat drying and classifying system for the continuous drying of moist particulate granulate material in a mixer by agitating in a hot air flow between stirring blades and a rotary screen with oversized particles of material being removed, hot air being recycled and moisture removed from the recycled air.

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patent: 4245399 (1981-01-01), Muller et al.
patent: 4245570 (1981-01-01), Williams
patent: 4319409 (1982-03-01), Scholz et al.
patent: 4454825 (1984-06-01), Musto

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