Liquid purification or separation – Flow – fluid pressure or material level – responsive – Check valve
Patent
1989-11-27
1991-08-06
Jones, W. Gary
Liquid purification or separation
Flow, fluid pressure or material level, responsive
Check valve
100198, 100199, 204253, 210225, 210227, 210230, B01D 2512
Patent
active
050375407
ABSTRACT:
A filter plate press or an electrolyzer cell has a series of filter plates or cell frames, respectively, which are moved as a stack against a press or cell headpiece by a follower moved by one or more rodded cylinders mounted on a fixed bracket. Scissors mechanisms extending on each side of the press/cell holder and between the bracket and follower assure precise parallel movement of the follower with respect to the headpiece. To accommodate any cumulative errors in the stack dimensions the scissor mechanisms are disengageable upon closure of the press/cell holder so that the follower has freedom to match the abutting surface of the plate/cell frame stack and thus evenly seal the abutting peripheral edges of the plates/cell frames. A pair of plate pawl-containing carriages mounted on a pair of synchronized lead screws extending parallel to a pair of plate/cell frame guide rails on the press are provided to assure simultaneous pick-up of opposed handles of each plate/cell frame being moved for cake discharge or plate/cell frame washing.
REFERENCES:
patent: 4107042 (1978-08-01), Heinrich et al.
patent: 4129495 (1978-12-01), Fitch et al.
patent: 4196084 (1980-04-01), Schotten
patent: 4343235 (1982-08-01), Jones
patent: 4351724 (1982-09-01), Jones
patent: 4362616 (1982-12-01), Gehrmann et al.
patent: 4364827 (1982-12-01), Guttman
patent: 4623453 (1986-11-01), Davenport
patent: 4806239 (1989-02-01), Davis
Baker Hughes Incorporated
Jones W. Gary
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