Automatic device for the regeneration of a bed of ion-exchanging

Details Automatic device for the regeneration of a bed of ion-exchanging Automatic device for the regeneration of a bed of ion-exchanging

1995-07-13

1997-07-22

Drodge, Joseph W.

Liquid purification or separation

Flow, fluid pressure or material level, responsive

1375991, 1376275, 210141, 210190, 210269, B01D 1712, C02F 500

Patent

active

056500645

ABSTRACT:
An automatic device for the regeneration of a bed of ion-exchanging resins s constituted by a valve body internally provided with two communicating seats, in whose inside pistons which are caused to move by a couple of cams keyed on a motor-shaft slide. The valve body is provided with openings, alternately intercepted by the pistons, to realize different flows of the fluid. In running conditions, water passes through a tank containing a bed of ion-exchanging resins, whose regeneration takes place in counter-current with solutions of sodium salts. This operating stage and the following one of resin washing are carried out according to an automatic sequence by way of cams, which act on the piston.

REFERENCES:
patent: 2321267 (1943-06-01), Van Der Werff
patent: 2323947 (1943-07-01), Van Der Werff
patent: 2393076 (1946-01-01), Van Der Werff
patent: 2592353 (1952-04-01), Stevenson
patent: 2646072 (1953-07-01), Sebald
patent: 2665251 (1954-01-01), Menoenhall
patent: 4374025 (1983-02-01), Loke

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