Energy Savings in Industrial Refrigeration

Technologies to cut plant bills

It is now an urgency, rather than a simple need, for all industrial plants. The answer, depending on the required output temperatures, can be either adiabatic, electronically controlled chillers or chillers equipped with a free-cooling device.

The need for energy savings in industrial plants

Energy savings in industrial refrigeration: how to do?

People started talking about cutting bills before the economic and geopolitical changes of recent years: afterwards, saving energy in plants became a strategic urgency. At stake is often the very possibility of continuing company production.

Industrial refrigeration, cooling and temperature control solutions can meet this need: either through technical specifications or through their control component (PLC, remote management).

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Medium temperature solution: adiabatic cooling

Adiabatic dry coolers are often referred to as the best solution for optimising resources and achieving good performance at medium temperatures.

They are systems that combine the air cooling of classic dry coolers with adiabatic pre-cooling: they are most often known for saving water (used only for short wetting cycles). However, the management of operating parameters via the standard control panel also allows excellent control over energy use.

Low temperature solution: chillers with free-cooling

What if the demand is to have output fluids with temperatures lower than ambient? Industrial chillers also allow energy savings while maintaining high performance. Provided certain technical peculiarities are integrated into the system.

One of these is certainly the possibility of operating in free-cooling mode. In chillers equipped with this function, three different modes can be operated depending on the time of year and the specific requirement:

  • Standard free-cooling system: allows the set temperature to be maintained even with ambient air temperatures higher than those of the process fluid, thanks to the work of the compressors.
  • Entirely free-cooling system: the liquid is cooled by operating only the fans with very low electricity consumption (like a dry cooler). This allows temperatures of the cooled liquid to be 5°C higher than the ambient air temperature.
  • “Intermediate” system: active free-cooling chiller, in which cooling takes place through the combined effect of the cooling and free-cooling sectors.

It can be seen that different performances and different energy utilisation are allowed depending on the demand.

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Tools to help you choose

Preliminary Assessment

Many interlocutors come to us with a very general idea of their industrial refrigeration needs: this is normal. That's why we stimulate the sharing of technical information.

Customized Design

We believe that integration with the best accessories on the market and the careful and 'unified' selection of internal components can make the difference.

Custom Chillers and Turnkey Plants

Production facilities and the characteristic of the installation area also have important effects on the design: because one cannot stop at the listed solutions.