Filtering screens

Details Filtering screens Filtering screens

1990-01-05

1991-12-31

Silverman, Stanley S.

Liquid purification or separation

Serially connected distinct treating with or without storage...

Cascade

210330, 210335, 210389, 209269, 209314, B01D 3303, B01D 3341

Patent

active

050769219

ABSTRACT:
A vibratory filtering screen assembly comprises an upwardly inclined member (12) on which is mounted the main filtering screen (14). At the exit (16) of the main screen is a secondary screen module (20) comprising a plurality of transverse supports (22) of rectangular section on which is mounted a screen (24) held in position by a silicon beading (26). Surrounding the secondary screen is a perimeter border or dam (28) for containing the discharge which is passed on to the secondary screen. In operation slurry is fed onto the main screen (12) where vibration passes it to exit (16). Wet solids components of the slurry drop into the secondary screen (20) where the vibration continues to dry out the solid particles, waste liquid being diverted away by a plate (30).

REFERENCES:
patent: 511949 (1894-01-01), Hayes
patent: 2158169 (1939-05-01), Wright
patent: 2329333 (1943-09-01), Carter
patent: 2408558 (1946-10-01), Hutchison
patent: 2462878 (1949-03-01), Logue
patent: 2677463 (1954-05-01), Bolhar et al.
patent: 4082657 (1978-04-01), Gage
patent: 4330413 (1982-05-01), Wilson

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