Sieve bend

Details Sieve bend Sieve bend

1990-09-24

1994-10-11

Dawson, Robert A.

Liquid purification or separation

Filter

With flow controller for material being treated

210456, 210498, 210499, 209253, 209273, 209281, B01D 3380

Patent

active

053544676

ABSTRACT:
Apparatus of the type known as Sieve Bends which serve to separate particles differing in size. The apparatus includes a headbox that receives feed slurry and a throat that receives the slurry from the headbox. Means is provided in the throat for yieldably engaging the flow in such a manner as to prevent or minimize clogging of the slots between the bars of a sieve that receives the flow from the throat. This means includes a nip flap which contacts one side of the slurry flow. The invention makes possible a substantial increase in operating capacity and is particularly applicable to the coal industry.

REFERENCES:
patent: 2076297 (1937-04-01), Gray
patent: 3007574 (1961-11-01), Koning
patent: 3353674 (1967-11-01), Leeman
patent: 4120790 (1978-10-01), Tinker et al.
patent: 4251356 (1981-02-01), Harte
patent: 4512880 (1985-04-01), Connally
patent: 4710296 (1987-12-01), Connolly

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