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17th December 2021

What is the Technology behind Cooling Towers?

This means that the system must run longer to achieve the same results. In softer water cities such as California, an efficient cooling tower can run from 3 to 20 concentrate cycles, depending on water source, water treatment, and maintenance methods. For example, a 109 ton cooling tower that operates 1,610 hours per year and operates with 2 concentrate cycles consumes 637,560 gallons of water per year. 

In this type of system, when the heat pump is in the cooling mode, the water circulating in the water cycle will remove heat from the condenser of the heat pump, so an external cooling tower is used to remove heat from the water cycle and discharge it in the atmosphere. The role of the cooling tower is to exchange the waste water in the industrial wastewater with the air in the cooling tower, so that the waste heat can be transferred to the air, so that the cooling water can be reused. 

Since it does not have a mechanical fan, the convection process helps circulate air inside the cooling tower. As warm, humid air naturally rises upward and cold, dry air falls, a continuous air cycle is created without the need for electricity consumption. Then warm, humid air will naturally rise through the tower, while dry, cool air outside will fall, creating a constant cycle of airflow. Counterflow cooling towers move air upward through the cooling tower as water flows downward to cool the air. 

These towers often have a more compact footprint than crossflow towers and can save energy in the long run. Crossflow towers can be as tall as counterflow towers, but they are also more prone to freezing and less efficient. Instead of using other methods such as air-cooled equipment or old water-cooled methods, these cooling towers reduce time, energy and water, thereby increasing profits. 

The water and energy efficiency of the cooling tower saves your business money in the long run. Keeping the tower in good condition allows the entire cooling system to operate at maximum efficiency while conserving energy and water. Industrial plants typically contain equipment that requires both closed loop and evaporative water cooling systems, making the maintenance of the cooling tower chemistry important to the reliability and efficiency of the installation. As we enter the warmer months of the year, the ambient heat in the summer months reduces the cooling capacity of these cooling towers if they are not well maintained. 

They use water to cool the unit, and heat transfer is measured by the decrease in process temperature and the corresponding increase in both moisture content and wet bulb temperature of the air passing through the cooling tower. Filling means are installed inside the tower to increase the contact surface as well as the contact time between air and water (which allows most of the water’s heat to be evaporated) to improve heat transfer and efficiency.

During normal operations, cooling towers continually clean the air of bacteria, dust, pollen, insects and other debris. These towers used drift eliminators to allow steam and mist to escape and eliminate unnecessary or excess heat from the cooling system.


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