Horizontal fluidized-bed dryer with heat transfer tubes

Details Horizontal fluidized-bed dryer with heat transfer tubes Horizontal fluidized-bed dryer with heat transfer tubes

1985-05-31

1986-09-02

Makay, Albert J.

Drying and gas or vapor contact with solids

Apparatus

With apparatus using centrifugal force

34 57R, 34179, 34181, F26B 1718

Patent

active

046087664

ABSTRACT:
In a horizontal fluidized-bed dryer, at least one rotatable hollow axle extends horizontally through a drying chamber over a porous supporting shelf and has a heat transfer tube assembly mounted on and around the hollow axle for fluid communication therewith. A spiral or screw-shaped blade is mounted on the heat transfer tube assembly so as to be disposed around the periphery of an imaginary cylindrical figure generated by rotation of the heat transfer tube assembly about the hollow axle. This blade serves to push large particles of wet feed on the supporting shelf from the inlet side to the outlet side as the hollow axle and thus the heat transfer tube assembly are rotated.

REFERENCES:
patent: 504099 (1893-08-01), Wiesebrook
patent: 2302169 (1942-11-01), Baker
patent: 2509543 (1950-05-01), Truax
patent: 3242974 (1966-03-01), Goulounes
patent: 3585732 (1971-06-01), Itahashi
patent: 3646689 (1972-03-01), Kuchenthal et al.
patent: 3851406 (1974-12-01), Dumitru et al.
patent: 3908284 (1975-09-01), Beranek et al.
patent: 3923097 (1975-12-01), Hovad
patent: 4419834 (1983-12-01), Scott

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