Patent ID: 9284205
Filing Date: 2016-03-15
CPC Classification: C02F,Y10T

Claim Text:
1. An apparatus comprising: an open recirculating cooling system having recirculating system water therein; a blowdown system operably connected to the cooling system for periodically draining an amount of the system water from the cooling system when the system water is overloaded with one or both of minerals and impurities; an unsoftened makeup water source and a softened makeup water source each operably connected to one of the cooling system and the blowdown system for adding makeup water back into the system water; a water meter generating a signal indicating the amount of system water discharged to a drain; and a controller operably connected to the water meter and to the softened makeup water source and that is programmed to proportionately add to the system water an amount of the softened makeup water based on cycles of concentration of the system water and also based in part on the signal indicating the amount of system water drained from the cooling system.