Classifying – separating – and assorting solids – Precedent preparation of items or materials to facilitate... – Sorting special items or sorting by methods and apparatus...
Patent
1979-09-24
1981-03-03
Hill, Ralph J.
Classifying, separating, and assorting solids
Precedent preparation of items or materials to facilitate...
Sorting special items or sorting by methods and apparatus...
209 11, 209134, 209154, 241 23, 241 24, 241DIG38, B07B 900
Patent
active
042539404
ABSTRACT:
Waste materials of varying density are passed through a hammer mill for size reduction after which they are moved along a gravity path within a stream of hot inert gas. The stream of materials is intercepted by a transversely moving mass of heated inert gas that separates the lighter materials from the heavier ones. A manifold receives the lighter materials while the heavier items are picked up at a lower position by a sealed screw conveyor. An adjustably located table and damper plate enable varying the weight-cut.
REFERENCES:
patent: 3278026 (1966-10-01), Bishard
patent: 3610594 (1971-10-01), Williams
patent: 4089422 (1978-05-01), Harmke et al.
Hill Ralph J.
Netter George J.
Watson Energy Systems, Inc.
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