Cooling Towers

Cooling towers are structures designed to provide cooling water for industrial plants and living spaces. In water cooling towers, the hot water coming from the system is sprayed over the fill to dissipate heat into the atmosphere. Thus, the heat is removed from the environment, lowering the process water temperature to the wet-bulb temperature.

Types of Water Cooling Towers
Water cooling towers are divided into two types according to their operating principles: counterflow and crossflow towers. In counterflow water cooling towers, water trickles down from the top while air moves up from the bottom. In crossflow water cooling towers, water moves down from the top while the airflow is horizontal. In recent years, counterflow towers have been preferred more frequently.

How Do Cooling Towers Work?
In counterflow water cooling towers, hot water from the operation is homogeneously sprayed from top to bottom across the entire cross-section of the tower, using a specially manufactured water distribution system and nozzles. The sprayed water masses break up as they filter through the tower fills. Air, carrying the humidity of the outside environment, is drawn up from the bottom over the fills with the help of a motor fan group. The water meeting the air on the cooling surface of the fill cools down by giving heat to the air and a small part of it evaporates. The cooled water is collected in the tower's cold water basin and sent back to the operation. The air, now with increased humidity due to the water's evaporation (close to saturation point), is expelled into the atmosphere through the fan stack at the top of the tower.

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