NEWS CENTER
Oasis Iceberg
22
2025
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08
Is the selection of closed-circuit cooling towers greatly affected by the region?
Is the selection of closed-circuit cooling towers greatly affected by the region? The answer is yes, and the impact is significant. Choosing the wrong region can lead to a sharp drop in efficiency, a surge in energy consumption, and even equipment damage.
Is the selection of closed cooling towers greatly affected by the region? The answer is yes, and the impact is very significant. Choosing the wrong region can lead to a sharp drop in efficiency, a surge in energy consumption, and even equipment damage.
1. Core influencing factor: Wet-bulb temperature
This is the most core and direct regional influencing factor.
Principle The ultimate cooling limit of a closed cooling tower is the ambient wet-bulb temperature. The outlet water temperature (T2) can only approach but cannot be lower than the wet-bulb temperature.
Impact The higher the wet-bulb temperature, the smaller the heat exchange temperature difference (T2 - Twb), and the lower the heat exchange efficiency. To achieve the same cooling effect, a larger tower, more coil area, and greater airflow are required. 
2. Other key regional factors and countermeasures
1. Ambient temperature (dry-bulb temperature)
Impact Affects sensible heat exchange (temperature difference between coil and air). High-temperature environments (such as Turpan, Xinjiang) increase fan load.
Countermeasure In high-temperature areas, calculate motor power margin to prevent motor overload.
2. Air quality
Windy sand/dust areas (such as Northwest China, heavy industrial zones):
Risk Spray water easily gets dirty, clogging nozzles and coils, forming scale, severely affecting efficiency.
Countermeasure ：
Strengthen water filtration system (recommended automatic backwash filter ).
Use wide-gap, easy-to-clean coils (such as elliptical tubes).
Add water baffles and dust screens. 。
Coastal corrosive environment ：
Risk High salt content air corrodes metal structures, coils, and fans.
Countermeasure ：
Material upgrade Use 316L stainless steel or higher-grade materials for coils; structural parts use hot-dip galvanizing or high-quality anti-corrosion coatings.
Avoid using ordinary carbon steel coils.
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