Filtering apparatus

Details Filtering apparatus Filtering apparatus

1975-09-24

1978-03-28

Lutter, Frank W.

Liquid purification or separation

Filter

With residue removing means or agitation of liquid

210409, 210414, B01D 2538

Patent

active

040813819

ABSTRACT:
An industrial filtering apparatus in which the filter cake can be removed automatically by scraping layers of solid from the cake with paring devices which are associated with screw conveyors for transporting the solid to the center of the housing and depositing it in a removal pipe. The mouth of the removal pipe through which the cake falls is completely unobstructed by structural members. The paring devices can also be used in a different mode to smooth out cracks and compact the cake. There is also an independent revolving device for breaking up the cake which can be used in conjunction with a sprinkler head to ensure particularly intensive and intimate washing and slurrying of the cake. The paring device, its associated screw conveyors and the removal pipe can be raised and lowered, as can the device for breaking up the cake, thus making adjustment to any filter cake thickness possible.

REFERENCES:
patent: 679875 (1901-08-01), Blaisdell
patent: 1574557 (1926-02-01), Coe
patent: 1865061 (1932-06-01), Grob
patent: 2014945 (1935-09-01), Mayer
patent: 2102385 (1937-12-01), Schock
patent: 2404215 (1946-07-01), Cavanaugh
patent: 2603354 (1952-07-01), Way et al.
patent: 2641536 (1953-06-01), Upton
patent: 2899068 (1959-08-01), King et al.

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