Classifying – separating – and assorting solids – With heat treatment
Patent
1975-03-19
1977-07-05
Nozick, Bernard
Classifying, separating, and assorting solids
With heat treatment
209472, 209473, 209482, 209483, 241 20, 241 24, 241 57, 241 58, 241 791, B03B, B07B
Patent
active
040334589
ABSTRACT:
Shredded scrap is conveyed from a heat generating automobile shredder to one end of a horizontal tumbling drum and is caused to move in one direction through the drum as it tumbles. An air stream which has aspirated heat generated by the shredder, and carrying particulate material removed from the scrap in the shredder, is directed by ductwork to the opposite end of the tumbling drum where the air and particulate matter move in counterflow through the tumbling scrap to remove additional particulate material therefrom as the shredded particles are being showered through the air stream. The particulate material in the air stream emerging from the tumbling drum is separated out by a cyclonic separator. A bypass air stream duct with an adjustable valve bypasses some of the air stream around the tumbling drum to control the velocity of the air stream through the tumbling drum and thus to control the size of the particulate material removed from the scrap by the counterflow air stream. The cleaned scrap which leaves the tumbling drum drops onto a pan feeder and slides down the feeder pan to a rotary magnetic separator which separates the ferrous scrap from the non-ferrous scrap.
REFERENCES:
patent: 1347608 (1920-02-01), Wilcox
patent: 1673848 (1928-06-01), Stebbins
patent: 2100734 (1937-11-01), Crites
patent: 2381351 (1945-08-01), Hurdinge
patent: 2662694 (1953-12-01), Lotz
patent: 3291398 (1966-12-01), Weston
patent: 3804249 (1974-04-01), Gibbons
patent: 3848813 (1974-11-01), Stanczyk
patent: 3856217 (1974-12-01), Brewer
patent: 3925198 (1975-12-01), Eckhoff
Joseph Co. Publication, 241/79, pp. 2-8, 1966.
Brock James Donald
Chazen Julius L.
Nozick Bernard
Sever Frank
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