Drying and gas or vapor contact with solids – Apparatus – Rotary drums or receptacles
Patent
1992-04-06
1994-02-08
Bennet, Henry A.
Drying and gas or vapor contact with solids
Apparatus
Rotary drums or receptacles
34141, 110226, F26B 1102
Patent
active
052839613
ABSTRACT:
An apparatus for collecting foreign materials such as rocks and tramp iron from material fed to a rotary dryer, wherein the material is dropped into the dryer at an intake end for tumbling within the dryer in a stream of drying gas flowing axially through the dryer. A trough is positioned spaced downwardly and beneath the intake for catching the heavy foreign materials dropping downwardly, and the foreign materials are carried outwardly by a screw auger driven by the dryer.
REFERENCES:
patent: 832961 (1906-10-01), Elkus
patent: 2171535 (1939-09-01), Berg et al.
patent: 2878584 (1959-03-01), Bianchi
patent: 3058229 (1962-10-01), Downing
patent: 4376343 (1983-03-01), White et al.
Beloit Technologies Inc.
Bennet Henry A.
Campbell Raymond W.
Gromada Denise L.
Veneman Dirk J.
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