Liquid purification or separation – Filter – Movable medium
Patent
1995-10-06
2000-04-25
Lithgow, Thomas M.
Liquid purification or separation
Filter
Movable medium
210396, B01D 3368, B01D 3304
Patent
active
060533331
ABSTRACT:
The present invention pertains to a system for transferring sludge. The system comprises a gravity deck machine having a belt which transports sludge and a first plow and at least a second plow disposed adjacent to the belt for dispersing sludge transported by the belt. The system is also comprised of a mechanism for moving the first plow and at least the second plow simultaneously from a first desired position to a second desired position. The present invention pertains to a method for transferring sludge. The method comprises the steps of placing the sludge on a belt of a gravity deck machine. Next there is the step of moving the sludge with the belt in a first direction so sludge is moved past a first plow and at least a second plow disposed at a first level in the sludge and dispersed by the first and second plows as the sludge moves past the plows. The second plow is positioned downstream of the first plow in regard to the sludge. Then there is the step of lifting the first plow and second plow simultaneously to a second level relative to the sludge.
REFERENCES:
patent: 4602998 (1986-07-01), Goron
patent: 4609467 (1986-09-01), Morales
patent: 4731188 (1988-03-01), Johnson
patent: 4986911 (1991-01-01), Goron
Hannah Thomas D.
Thieleman Bruce E.
Lithgow Thomas M.
Roediger Pittsburgh, Inc.
Schwartz Ansel M.
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