Coolant filtration unit with sludge dryer

Details Coolant filtration unit with sludge dryer Coolant filtration unit with sludge dryer

1992-04-15

1993-10-26

Dawson, Robert A.

Liquid purification or separation

Filter

Movable medium

210160, 210175, 210401, 210406, 2104161, 210526, B01D 3300

Patent

active

052562905

ABSTRACT:
A unit for cleaning liquid contaminated with solids, including a housing having a tank section defining a compartment in which contaminated liquid is deposited. The solid contaminants tend to collect as a sludge layer on the bottom wall of the tank section. The housing includes a discharge section having a base wall which inclines upwardly away from one end of the tank section. A conveyor moves along the bottom wall and thence upwardly along the inclined base wall for moving the sludge layer upwardly out of the liquid for discharge at a discharge opening. A dryer is associated with the inclined base wall and includes a pressure chamber disposed under the sludge layer for ejecting plural streams of air upwardly through the sludge layer for effecting removal of moisture therefrom. A suction chamber is disposed directly adjacent the upper side of the sludge layer in opposed relationship to the pressure chamber for collecting the moist air passing through the sludge layer. An air recirculation unit is coupled to both chambers for sucking the moist air to a collection chamber for permitting condensation of the moisture, and then pressurizing the air and returning it to the pressure chamber.

REFERENCES:
patent: 3970552 (1976-07-01), Bongert
patent: 4192747 (1980-03-01), Wykoff
patent: 4203836 (1980-05-01), Hallack et al.
patent: 4751006 (1988-06-01), Becker
"Mon-A-Vac coolant filtration systems for machine tool operation" brochure, Monlan Corporation, Mar. 1991, 8 pages.

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