Free Cooling: Cooling Tower Used to Offset Chiller Load

The initial design for this iced-tea processing plant specified a large chiller to meet the entire cooling load. After reviewing several options with the design team, the integration of a cooling tower was found to increase energy efficiency, and reduce project capital cost.

Tea Brewing takes place at around 195 F, and the tea is cooled before bottling. This type of high temperature cooling application is ideal for the free-cooling provided by a cooling tower. The high-temperature heat also helps avoid the freezing issues that often plague towers during winter operation.


After factoring in the load met by the tower, the chiller size was reduced resulting in a significant capital cost savings.


After reviewing the options, a DELTA cooling tower was selected.

Continue on for benefits and outcomes below.


BENEFITS AND PROJECT OUTCOMES:

-reduction in operating cost by increasing process energy efficiency

-reduction in project capital cost

-packaged pumping system, including a variable speed drive for the tower fan, and a remote sump for freeze protection

-all supplied components were selected to operate together, simplifying the installation

-simple maintenance-friendly design

-corrosion proof plastic cooling tower

-proven to be efficient in freezing temperatures shortly after installation


Remote sump for freeze protection for this project

To learn more about Delta towers, click here!


If you have an application that could benefit from the free-cooling offered by a cooling tower, whether it is a new application or retrofit opportunity, give us a call, and we would be happy to review your application with you. No project is too big or too small!




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