Endless belt filter with stationary guide bars

Details Endless belt filter with stationary guide bars Endless belt filter with stationary guide bars

1983-02-28

1984-09-18

Fisher, Richard V.

Liquid purification or separation

Filter

Movable medium

210400, 100118, B01D 3300

Patent

active

044722796

ABSTRACT:
Slurry is fed (at 52) onto the upper run 46 of endless filter belt 48 and is dewatered by intermittently-operating means e.g. vacuum box 54, press assembly 56 and/or gravity box 66. The belt 48 is guided by a number of transverse guide bars 44, 76, 82, 84, 86, 88 and is progressed intermittently by a displaceable guide bar 74 whose forward movement extends the upper run 46. The bar 74 is coupled (e.g. by cables 106) with a slack-compensating guide bar 104 cooperating with the return run of the belt 48 and unidirectional means (e.g. arrester guide 94 and arrester roller 98) located therebetween allows movement of belt 48 only in the forward direction (arrow 114).
Because this belt filter incorporates well supported guide bars instead of conventional rollers, the belt 48 can be much wider than has hitherto been practicable and the overall length of the filter may be correspondingly reduced, further obviating guiding problems.

REFERENCES:
patent: 3870641 (1975-03-01), Pierson
patent: 4127487 (1978-11-01), Havalda
patent: 4142971 (1979-03-01), LeFur et al.
patent: 4341628 (1982-07-01), Fujinami et al.
patent: 4377479 (1983-03-01), Pierson
patent: 4377480 (1983-03-01), Pierson

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