초록 ▼

An open recirculating evaporative cooling system includes a cooling tower or evaporative condenser (12) having a heated water inlet (20) and a water collection basin (22), a water supply (34) for supplying a volume of water to the cooling tower, a water supply meter (36) coupled between the cooling

An open recirculating evaporative cooling system includes a cooling tower or evaporative condenser (12) having a heated water inlet (20) and a water collection basin (22), a water supply (34) for supplying a volume of water to the cooling tower, a water supply meter (36) coupled between the cooling tower and the water supply, for registering the volume of water supplied to the cooling tower from the water supply and for providing pulse information corresponding to the volume of water supplied, a heat exchanger (16) coupled to the cooling tower basin for receiving water therefrom, for removing waste heat (18) from heat producing equipment, and for supplying the heated basin water to the cooling tower heated water inlet, a solenoid valve (30) coupled between the heat exchanger and a drain for draining water from the cooling tower basin through the heat exchanger, sources of water treatment (24, 26, 28) coupled to the cooling tower for supplying corrosion and scale and biological fouling controlling additives thereto, and a microprocessor controller (38) connected to the water supply meter, the drain valve and the water treatment sources for receiving the pulse information from the water meter in terms of volume (gallons, liters, etc.) per pulse, and for controlling both the water treatment sources for the supply of the corrosion and scale and biological controlling additives to the cooling tower and the draining valve for draining water from the cooling tower basin.

대표청구항 ▼

[ What is claimed is:] [1.] An open recirculating evaporative cooling system comprising:a cooling tower having a heated water inlet and a water collection basin;a heat exchanger coupled to said cooling tower basin for receiving water therefrom, for removing waste heat from heat producing equipment,

[ What is claimed is:] [1.] An open recirculating evaporative cooling system comprising:a cooling tower having a heated water inlet and a water collection basin;a heat exchanger coupled to said cooling tower basin for receiving water therefrom, for removing waste heat from heat producing equipment, and for supplying the heated water to said cooling tower heated water inlet;sources of water treatment coupled to said cooling tower for supplying anti-fouling and biologically controlling additives thereto;a blowdown mechanism coupled between said basin and a drain for draining water from said cooling tower basin during a blowdown process to remove accumulated mineral build up following a number of cycles of concentration;a water supply for supplying a volume of water to said cooling tower to make up for water drained and evaporated therefrom;a water supply measuring device coupled between said cooling tower and said water supply, for measuring the volume of the make-up water supplied to said cooling tower from said water supply and for providing pulse information corresponding to the volume of water supplied; anda microprocessor controller connected to said water supply measuring device, said blowdown mechanism and said water treatment sources for receiving the pulse information from said water measuring device in terms of volume per pulse, and for coordinated control of both said water treatment sources for the supply of the anti-fouling and biologically controlling additives to said cooling tower and said blowdown mechanism, said microprocessor being programmed to automatically calculate the times and duration for opening said blowdown mechanism and, in coordination with the draining of water, for the supply of the anti-fouling and biologically controlling additives.