Liquid purification or separation – With external supply means for regenerating medium – e.g.,... – With pump – injector or siphon
Patent
1978-07-03
1980-11-25
Lander, Ferris H.
Liquid purification or separation
With external supply means for regenerating medium, e.g.,...
With pump, injector or siphon
210278, 210424, 210425, 13762538, 13762539, B01D 2324, B01D 2942
Patent
active
042357187
ABSTRACT:
The invention relates to a control device for the feeding and drainage of a column or a treatment station such as a demineralization station.
The device includes a centralized distribution valve mounted on top of the column; which is equipped with at least three inner chambers having movable pistons adapted to connect various ports which the valve contains. The valve is connected with driving means, e.g., a hydraulic dispenser adapted to generate the shifting of the movable pistons for the purpose of positioning them in several specific positions.
The device of the invention can especially be used in conjunction with demineralization columns containing ion exchanging resins. The device makes it possible to initiate and progress through the various operating phases or modes either automatically or semi-automatically.
REFERENCES:
patent: 2796177 (1957-06-01), Kryzer
patent: 2902155 (1959-09-01), Lundeen
patent: 3872004 (1975-03-01), Grout et al.
patent: 3962089 (1976-06-01), Fulukawa
patent: 4104165 (1978-08-01), Braswell
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