Multi-stage dryer for particulate material

Details Multi-stage dryer for particulate material Multi-stage dryer for particulate material

1981-06-19

1983-08-16

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

For diverse operations on treated material

34102, 34167, 34174, F26B 1712

Patent

active

043983561

ABSTRACT:
A gravity-flow grain dryer for particulate material comprises first and second generally vertical drying columns spaced apart to provide a plenum chamber therebetween, the drying columns each having opposed spaced perforate walls. First and second inputs are provided for introducing particulate material into top portions of the first and second drying columns, respectively. First and second discharge mechanisms are also provided for removing particulate material from bottom portions of the first and second drying columns, respectively. Conveyor means are provided for receiving the particulate material discharged from the first drying column and for conveying the particulate material to the second input. A flow of drying air is directed to the plenum chamber, whereby the drying air passes into the first and second drying columns to dry the particulate material, the drying air being subsequently discharged from the drying column.

REFERENCES:
patent: 2706345 (1955-04-01), Arndt
patent: 2732630 (1956-01-01), Markowich
patent: 3000110 (1961-09-01), Forth et al.
patent: 3040443 (1962-06-01), Bopf
patent: 3053522 (1962-09-01), Applegate
patent: 3237315 (1966-03-01), Benecke
patent: 3238637 (1966-03-01), Mark et al.
patent: 3238640 (1966-03-01), Fry
patent: 3426442 (1969-02-01), Satake
patent: 3645006 (1972-02-01), Anderson
patent: 4048727 (1977-09-01), Botkins

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