Method of simultaneously indexing permanent and disposable filte

Details Method of simultaneously indexing permanent and disposable filte Method of simultaneously indexing permanent and disposable filte

1995-09-28

1997-04-29

Popovics, Robert J.

Liquid purification or separation

Processes

Separating

210387, 210400, 210401, 210406, B01D 3700, B01D 3300

Patent

active

056245793

ABSTRACT:
A filter apparatus for removing solids from a liquid in which chain conveyor loops frictionally engage a segment of a continuous permanent filter media belt extending across the bottom of a tank over a perforate section through which liquid is withdrawn to be filtered. The chain conveyor loops and permanent filter media follow divergent paths after exiting the tank, the chain loops returning over the top of the tank, the permanent filter media belt returning beneath the tank to a point of entrance at the top of a rear tank wall. A disposable media belt is optionally introduced at the point the permanent media belt and chain conveyor loops reconverge at the entrance point of the tank at the rear wall. The chain conveyor loops are indexed periodically and frictionally engage the permanent media belt (and disposable media, if used) in the segment extending across the tank bottom to cause the belt media to likewise be indexed.

REFERENCES:
patent: 3087620 (1963-04-01), Hirs
patent: 3221885 (1965-12-01), Hirs
patent: 3741389 (1973-06-01), Anderson
patent: 4137062 (1979-01-01), Mullerheim et al.
patent: 4220539 (1980-09-01), Lee
patent: 4396505 (1983-08-01), Wilson et al.
patent: 4514301 (1985-04-01), Parshall
patent: 5417850 (1995-05-01), Schimion et al.

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