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NCT 19

Cross Flow Cooling Tower Components & Their Roles

ComponentFunction
Hot Water Distribution BasinsHold water at top; gravity distribution via metering orifices.
LouversSide openings that guide air into the fill, prevent water splash-out.
Fill/PackingCreates large surface area for air-water contact (usually PVC splash bars or film fill).
Cold Water BasinCollects cooled water at the bottom for recirculation.
Induced Draft Fan(s)Mounted at top, pulls air horizontally through the fill and discharges it upward.
Drift EliminatorsCapture water droplets from exhaust air to reduce water loss.
Make-up Water LineReplenishes water lost by evaporation, drift, and blowdown.