Filter cake compressor

Details Filter cake compressor Filter cake compressor

1977-03-09

1978-03-28

Adee, John

Liquid purification or separation

Plural distinct separators

Filters

210352, B01D 2938

Patent

active

040813800

ABSTRACT:
Improved filter cake compression apparatus for leaf-type filtration systems is disclosed. Cake compressing diaphragms positioned on each side of each filter leaf are connected by resilient tension members to movable diaphragm support bars positioned peripherally around and perpendicular to the diaphragms and filter leaves. When cleaning of the filter leaves is needed, sets of the support bars are moved longitudinally in opposite directions to cause the diaphragms to move toward the filter leaves to engage the filter cake on both sides of each leaf. Upstream filter pressure and the pull of the connecting tension members cause the diaphragms to compress the filter cake against the filter leaf, and the amount of cake is reduced by squeezing the liquid portion of the feedstock from the cake.

REFERENCES:
patent: 3708072 (1973-01-01), Schmidt, Jr.
patent: 3814257 (1974-06-01), Schmidt, Jr.

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