Sizing screens

Details Sizing screens Sizing screens

1979-09-18

1981-12-29

Halper, Robert

Classifying, separating, and assorting solids

Sifting

Feeding and discharging

209254, 209255, 209350, B07B 108

Patent

active

043081355

ABSTRACT:
A sizing screen for particulate material of different sizes has a generally horizontal rotatable circular screen surface having a plurality of elongate radially projecting members, first collection means positioned adjacent the outer periphery of the surface for collecting an oversize fraction of the particulate material, second collection means positioned below the surface for collecting an undersize fraction of the material which passes through the screen. Discharge means comprising a rotatable table partitioned into different parts for carrying the oversize and undersize material is positioned below the first and second collection means. A plough or paddle preferably urges material from the table into outlets. The screen is suitable for handling sticky material such as coal fines and clay.

REFERENCES:
patent: 236844 (1881-01-01), Russell
patent: 886966 (1908-05-01), Findley
patent: 931280 (1909-08-01), Cunningham
patent: 1961478 (1934-06-01), De Baulk
patent: 2029090 (1936-11-01), Yewell
patent: 2787375 (1957-04-01), Couplet
patent: 2915181 (1959-12-01), Topp
patent: 4220526 (1980-09-01), Armstrong et al.

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