Rotary screen

Details Rotary screen Rotary screen

1985-10-28

1987-04-28

Hart, Charles

Liquid purification or separation

Filter

Movable medium

2104971, 210499, B01D 3306

Patent

active

046612521

ABSTRACT:
The invention relates to a semi-submergeable rotary screen for separating liquids and solids, in international class B01D 33/38. A substantially horizontal rotary screen comprises a drum formed of a plurality of spaced-apart circumferential wedge-wires and longitudinal supporting members, the supporting members being spaced longitudinally around the circumference of the drum separated by a distance of not less than 75 mm between adjacent supporting members. The circumferential wires are novel on a submerged screen and do not become blocked by fibres and neither will the longitudinal supporting members lead to blockages if sufficiently spaced. The supporting members may be fixed to the base sides of the wedge wires on the inside of the screen drum and preferably have a thickness measured radially of the drum of not less than 15 mm. Usual applications are for industrial waste recovery or separation.

REFERENCES:
patent: 3275150 (1966-09-01), Tait
patent: 3468423 (1969-09-01), Le Pechon
patent: 3584685 (1971-06-01), Boyd
patent: 3630379 (1970-08-01), Sharples
patent: 3876548 (1975-04-01), Welles
patent: 4038187 (1977-07-01), Saffron

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