Cooling Towers and their Working Principles

20 May 2019

Cooling towers are essential machines that are used to pull heat outside of a building. Cooling towers come in a variety of shapes and sizes. You’ll see cooling towers used at nuclear power plants. You’ll also find cooling towers at universities, hospitals, and even commercial warehouses. No matter what the application, the right cooling tower can make a dramatic impact on the environment inside of a building. Today, we are going to discuss how cooling towers work.

Cooling Towers 101 – How Do Cooling Towers Work?
Cooling towers are essentially a form of specialised heat exchanger. These devices allow air to come into contact with water, thereby reducing the temperature of the water being pushed through the tower. You’ll typically find cooling towers on top of commercial or industrial buildings. Often, you’ll find that cooling towers are used in conjunction with HVAC systems. An HVAC cooling tower is specifically used for disposing of heat that was accrued via chiller. As a result, you’ll find these towers at warehouses, grocery stores, and shopping malls. With that out of the way, let’s talk a little bit about the types of cooling towers available to you.

1) Pre-Packaged Cooling Towers – The package type of cooling tower comes as a pre-fabricated piece of machinery. You’ll typically receive a pre-fabricated cooling tower pre-assembled. For smaller buildings, package-type cooling towers can be the perfect solution to your heating problems. You’ll find these units at malls, offices, small grocery stores, and other similar establishments. This is the more affordable option as far as cooling tower builds are concerned.

2) Field Cooling Towers – This type of cooling tower is significantly larger than the pre-fabricated unit we described above. These units have to be erected on location and as a result, you’ll want to work closely with professionals in order to get the job done. You’ll have to work alongside a manufacturer in order to craft the cooling tower to your specifications.

Cooling towers also operate on several different types of heat transfer methods. The most common transfer methods are as follows:

1) Dry Cooling Towers – These towers rely on an electric motor to push air over your working fluid. This tower does not consume any water.

2) Open Circuit Cooling Towers – This is probably the most popular form of cooling tower in the market. This tower uses water in order to cool your facility’s operation. 

Finding the right cooling tower can be a difficult task. Fortunately, you don’t have to attend to the process alone. Contact our team at Protective Air Care in order to discuss all of your cooling tower needs.

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