Automated filter press

Liquid purification or separation – Processes – Separating

Patent

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Details

100198, 210225, 210230, 210332, B01D 2534

Patent

active

053687515

ABSTRACT:
The present invention pertains to a filter press which includes a plurality of filter units arranged in tandem. Each unit has a filter plate and filter elements in the form of sheets at either side. Adjacent filter elements of adjacent units form pairs of elements. A working fluid containing liquid and solid components to be separated is charged at positions in between pairs of elements. The liquid filters through the elements into the plates to be exhausted. The solids build up in cakes intermediate the elements of the respective pairs. Each pair of elements is resiliently suspended from an eccentric rotor or shaft. When the cakes are to be dislodged, the press is opened, the units being parted. Rotation of the shaft cyclically slackens the filter elements and snaps them taut, thereby dislodging the cakes.

REFERENCES:
patent: 3289844 (1966-12-01), Emele
patent: 3366243 (1968-01-01), Kurita
patent: 4491519 (1985-01-01), Kurita
patent: 4710293 (1987-12-01), Davis
patent: 4806239 (1989-02-01), Davis
patent: 4900454 (1900-02-01), Hedlund et al.
patent: 5006241 (1991-04-01), Davis
patent: 5133884 (1992-07-01), Carlsson et al.
patent: 5167801 (1992-12-01), Kawasaki
IR Industrial Process Machinery--published by Ingersoll-Rand Company--copyright 1980.
The MC Automatic Filter Press--published by Ingersoll-Rand Company--date unknown.
Lasta-G Filters--The Automatic Filter Press (Model ISDG)--published by Ishigaki Mechanical Indsutry Co., Ltd.--date unknown.
Kurita Automated Filter Press RF--published by Kurita Company--date unknown.
Larox.RTM. CF Automatic Chamber Filter--published by Larox Inc.--date unknown.
Larox PF Automatic Pressure Filter--published by Larox Inc.--Bulletin 103 GB Nov. 1983.
EIMCO Shriver.TM. Filter Presses--published by EIMCO Process Equipment Company--copyright 1986.
Shriver.TM. Large Filter Presses--published by EIMCO Process Equipment Company--copyright 1989.

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