Apparatus for separating solid particles from a liquid

Details Apparatus for separating solid particles from a liquid Apparatus for separating solid particles from a liquid

1992-09-11

1993-09-21

Dawson, Robert A.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210108, 210391, 210797, B01D 2102

Patent

active

052465802

ABSTRACT:
An improved method for separating solid particles from liquids, such as dewatering and thickening of sludge collected in a container (1), involves the use of at least one drainage unit (9) having doubled screened jacket walls (25, 26) defining a dewatering chamber (10). The liquid relieved of solids within the chamber is subjected to a turbulent motion acting against said screened jacket walls for obstruction of the solids deposition at the wall surfaces of the chamber facing the sludge in the container. The turbulent motion is obtained by a forced fluid F introduced in the chamber through one or more tubes (30, 31). The fluid may favourably be in form of compressed air or water returned from the reject system (14, 16).

REFERENCES:
patent: 3954613 (1976-05-01), Worlidge
New Swedish Technology, vol. 8, No. 1, p. 2.

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