Method of and apparatus for drying materials

Details Method of and apparatus for drying materials Method of and apparatus for drying materials

1979-06-29

1981-04-21

Schwartz, Larry I.

Drying and gas or vapor contact with solids

Apparatus

With means to treat gas or vapor

34132, 34136, 34128, 34129, 432108, 366 15, 366 25, F26B 304, F26B 1104

Patent

active

042624290

ABSTRACT:
An apparatus for drying two materials comprising two coaxial cylinders, means for rotating the coaxial cylinders, means for introducing a first material into one end of the inner cylinder, means for heating the first material, means for moving the first material in response to the rotation of the cylinders along the interior of the inner cylinder so same is discharged from a second end thereof into an adjacent end of the outer cylinder, means for introducing a second material into the said adjacent end of the outer cylinder, and means for moving the first and second materials in response to the rotation of the cylinders along the interior of the outer cylinder in a direction contra to that of the movement of the first material in the inner cylinder so said first and second materials are discharged from the other end of the outer cylinder. The first material is dried in the inner cylinder by direct heating. The second material is dried in the outer cylinder by the heat exchange between the inner and outer cylinders and the first and second materials thereby conserving energy.

REFERENCES:
patent: 1240481 (1917-09-01), Porkess
patent: 1370085 (1921-03-01), Burman
patent: 2487887 (1949-11-01), McEachran
patent: 3514870 (1970-06-01), Avril
patent: 4075710 (1978-02-01), Jakob et al.

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