Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
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.
Pearce James W.
Schaeperklaus Roy F.
Schwartz Larry I.
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