Our evaporative cooling solutions use a clever process that cools water through evaporation. While a small amount of water does evaporate, these towers are designed to recycle up to 98% of the water used. This promotes water conservation, a benefit for both businesses and the environment.
Evaporative cooling in a cooling tower is a process that mimics sweating to bring down the temperature of water.
Warm water, often used in industrial processes, enters the cooling tower. Simultaneously, a fan pulls in cooler air from the outside environment.
The warm water is distributed over a large surface area, like a mesh or fill material. As the cooler air makes contact with this wetted surface, heat from the water transfers to the air.
Here’s the key part: a small portion of the water actually evaporates into the air. Evaporation requires energy, and this energy comes from the heat of the water itself. So, as some water evaporates, the remaining water cools down.
The cooled water is then collected at the bottom of the tower and pumped back to wherever it’s needed in the industrial process. The warm and more humid air exits the tower through the top.
In essence, evaporative cooling uses the energy required for water evaporation to remove heat from the bulk water, achieving a cooling effect. This principle is similar to how sweating cools our bodies.
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