C - Chemistry – Metallurgy – 02 – F
Patent
C - Chemistry, Metallurgy
02
F
362/29
C02F 1/42 (2006.01) B01J 39/00 (2006.01) B01J 49/02 (2006.01)
Patent
CA 1096065
WATER SOFTENING SYSTEM ABSTRACT The water softening system hereof employs a treatment tank containing a mineral bed of ion-exchange resin granules, a brine tank, and valve means for periodically cycling water through the mineral bed for removing hardness and other unde- sirable factors therefrom, then passing a saturated brine solution through the bed counter-current to its normal service flow to recondition it, and subsequently flushing the bed to cleanse the granules and remove all undesirable matter therefrom. The control means for the system includes electrically operated solenoid diaphragm valves, and a plunger valve responsive to water pressures, for controlling and regulating the flow of water and brine through the mineral bed. Venturi aspirator means are incorporated in a plunger valve, whereby a saturated brine solution is drawn, in a direction counterflow to service flow through the mineral bed, whereafter the bed is flushed with water in successive counterflow and concurrent flow directions, thus to cleanse, rinse and resettle the bed in preparation for the subsequent service cycle.
304703
Braswell John W.
Fetherstonhaugh & Co.
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