Filter disc for vacuum filter system

Details Filter disc for vacuum filter system Filter disc for vacuum filter system

1977-05-17

1978-03-07

Spear, Jr., Frank A.

Liquid purification or separation

Plural distinct separators

Filters

210347, 210486, B01D 2504

Patent

active

040778878

ABSTRACT:
Disclosed herein is a filter sector for a vacuum disc slurry filter which is molded from an elastomer such as rubber and which is provided with a grid of reinforcing bands and a grid of ribs superimposed on the supporting bands to provide a supporting surface for the filter bag. The bands and ribs form slots and channels with a minimum surface area contacting the filter bag to provide increased vacuum communication with the filter bag and thus enhance cake build-up for more efficient separation of the liquids and solids. The use of rubber results in a lighter disc sector and minimizes abrasion on the filter bag and increases bag life.

REFERENCES:
patent: 1746409 (1930-02-01), Sweetland et al.
patent: 2964194 (1960-12-01), Oliver, Jr. et al.

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