Filtration-compression type filter press

Details Filtration-compression type filter press Filtration-compression type filter press

1980-04-04

1982-03-02

Spitzer, Robert H.

Liquid purification or separation

Processes

Separating

210808, 210227, 210350, B01D 2512

Patent

active

043177344

ABSTRACT:
A filtration-compression type filter press comprising a fixed end plate and a movable end plate and compression filter plates suitably disposed therebetween. Each compression filter plate comprises a base plate two flexible fluid-tight sheets applied to the front and rear surfaces of the base plate respectively and having uneven filter surfaces with a filter cloth piece applied thereto to define pressure chamber between the base plate and each of the sheets and to provide a filtration chamber between adjacent filter plates for receiving a prefilt. The compression filter plate has a pressure fluid feed channel communicating with the pressure chamber a filtrate outlet channel open to its filter surface, and a prefilt supply channel open to the filtration chamber. The filter plate is further provided with another pressure fluid feed channel open to its filter surface and having a bypass channel in communication with the first-mentioned pressure fluid feed channel and a pressure fluid feed line and a branch line are provided with valves.

REFERENCES:
patent: Re27118 (1971-04-01), Juhasz
patent: 3503326 (1970-03-01), Juhasz et al.
patent: 3737041 (1973-06-01), Kitajima et al.
patent: 3888769 (1975-06-01), Schotten et al.
patent: 3988242 (1976-10-01), Kurita et al.
patent: 4116831 (1978-09-01), Keat
patent: 4172790 (1979-10-01), Kubo
patent: 4237009 (1980-12-01), Kurita

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