1976-06-24
1977-08-02
McCarthy, Edward J.
34136, B28C 546, G01B 504
Patent
active
040391710
ABSTRACT:
An improved rotating drum dryer and/or mixer for drying or mixing materials on a continuous basis is disclosed. The dryer and/or mixer includes a rotatable drum having an inlet end for receiving materials and a forced air burner for directing a stream of heated gases axially through the drum. A heat dispersing means such as an array of spaced deflecting bars is disposed downstream from the source of heated gases. The dispersing means provides the interior of the drum with a more uniform radial temperature distribution and minimizes the central high temperature zone normally associated with such drum dryers and/or mixers. Minimization of the central high temperature zone results in lowered production of smoke and other noxious emissions by an operating dryer or mixer.
REFERENCES:
patent: 1240481 (1917-09-01), Popkess
patent: 2904896 (1959-09-01), Forrest
patent: 3347533 (1967-10-01), Mauldin
patent: 3780447 (1973-12-01), Fales
patent: 3940120 (1976-02-01), Miller
Boeing Construction Equipment Company
McCarthy Edward J.
Mohn J. Peter
Thomas Kenneth W.
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