What Are The Different Types Of Cooling Towers

This article gives you the information you need about the different types of cooling towers and the need to clean cooling towers.

Cooling towers were designed to remove excess heat from water used in industrial processes and discharge it into the surrounding biosphere. Surprisingly, there are numerous methods for accomplishing this goal. Because these devices operate in a wide range of ways and they are divided into several divisions.

The Different Types Of Cooling Towers

Industrial cooling towers are divided into three categories based on how water or air passes through them. Induced draught and passive draught cooling towers are two types of cooling towers defined primarily by airflow. Crossflow, counterflow and hyperbolic are examples of these types.

Cooling towers with crossflows

Crossflow systems are among the more expensive equipment, but they are also the easiest to maintain. A splash fill is used in crossflow cooling towers to allow in-flowing air to move in a horizontal direction over the stream of water from the upper reservoirs. These cooling systems, however, are more susceptible to frost than others.

Read: Why Do We Use Louvers in the Cooling Towers?

Cooling towers with a counterflow system

As water flows down from the reservoir above, the in-flowing air travels vertically over the splash and fills in a counterflow system. Crossflow systems are often larger than counterflow systems. Because more energy is required to pump the air upward against the down-flowing water, these cooling towers are more expensive.

Cooling towers with a hyperbolic shape

Hyperbolic systems are well-designed and utilize very few resources. Despite requiring limited resources, these cooling towers can efficiently manage large-scale operations within major chemical or power plants.

The cooler, outside air pushes the damp, warmer air into the tower in hyperbolic systems, which uses a chimney stacking mechanism. The water that sprays over the splash fill is cooled by the passage of upward-flowing air, which is arranged around the bottom of the tower.

Cooling towers with induced draught

Induced draught or mechanical draught cooling towers use mechanical pressure to force air upward inside the tower, such as a fan system. With a blow-through or a draw-through, induced draught systems can push air into the tower or pull it out.

Cooling towers with a passive draught

The upward motion of warmed air combined with a steep chimney construction dynamically pulls air throughout the tower in passive or natural draught cooling towers. Hyperbolic towers are always passive draught, whether they feature a counter or crossflow transit design.

What Is An Industrial Cooling Tower?

Most industrial operations require the use of cooling towers. These heat rejection devices extract heat waste into the atmosphere by chilling a water stream to a lower temperature. The towers can rely on air or evaporation of water to remove heat and cool the working fluid. Water basins, fill surfaces, and gear drives are standard components in cooling towers. The addition of cooling towers has aided the advancement of several industries.

Does The Cooling Tower Need Cleaning And Maintenance?

To prevent microorganism growth in your cooling towers, you’ll need to clean and maintain them regularly. You are not doing enough to keep your tower in good working order unless you have a maintenance plan that includes cleaning. In addition to housing bacteria, unclean cooling towers can pull debris into piping, lowering the system’s efficiency.

cooling tower louvers

Cleaning your cooling tower and cleaning the water within will prevent obstructions and corrosion from causing harm to the entire system. Even if the water is treated regularly, cleaning the tower is necessary to keep the system free of bacteria and microorganisms.

If you empty your towers during the winter because you don’t need them as much, schedule one of your two annual cleanings at that time so you can get the most out of your system when the weather warms up again. Even if you use the towers all year, you’ll need to schedule cleanings every two years to avoid fouling and system damage.

If you have a new cooling tower system, you will also need to clean and treat the water. The tower components may be damaged during shipping and installation, or materials may be left on the surfaces, causing corrosion. Cleaning removes these contaminants from the tower’s surfaces and prepares them for purified water.


IGGT Global is a company that sources engineering products used in the oil and gas industry, mining, shipping, and ports in cooling towers. Our company has high-quality cooling tower gears and cooling-tower supplies that businesses can trust. Call us for additional information on how we can renew your cooling tower gears and drives.

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