Material dryer, especially for bulk material travelling continuo

Details Material dryer, especially for bulk material travelling continuo Material dryer, especially for bulk material travelling continuo

1987-05-13

1989-04-25

Bennet, Henry A.

Drying and gas or vapor contact with solids

Apparatus

Houses, kilns, and containers

34 85, 34242, F26B 1702

Patent

active

048234796

ABSTRACT:
A material dryer, especially for bulk material, includes a single entrance pressurized drum housing and an endless conveyor for passing the material through the drum housing. The conveyor may include a screen belt. The housing and the dryer components in the housing are divided into identical modular units, except for the entrance and discharge units. Each modular unit includes a tubular housing section, a conveyor section, and a treatment medium handling section for circulating and heating the drying medium such as super-heated steam. The heating and circulating of the treatment medium is individually controllable in each modular unit. The entrance unit is equipped with conveyor belt guides and with a sealed material supply device. The discharge unit is equipped with a belt drive and with a sealed material discharge device.

REFERENCES:
patent: T883023 (1971-02-01), Craven et al.
patent: 2758386 (1956-08-01), Cobb
patent: 2937454 (1960-05-01), Scott et al.
patent: 3007690 (1961-11-01), Koniewie
patent: 3927540 (1975-12-01), Tanaka
patent: 4133718 (1979-01-01), Jaquay
patent: 4150494 (1979-04-01), Rothchild
patent: 4253417 (1981-03-01), Velentijn
patent: 4299036 (1981-11-01), Schregenberger
patent: 4320585 (1982-03-01), Duperret
patent: 4532857 (1985-08-01), Sollich

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