INDUSTRIAL REFRIGERATION
Big cooling with small carbon footprint
Innovations in cooling technology have revolutionised the way industrial processes are cooled. Stuart Peers, national account manager and industry vertical specialist at Carrier Commercial HVAC UK & Ireland reveals how these advancements help to cut costs, improve the industrial process and reduce environmental impact for users.
Stuart Peers C
ooling is essential for various reasons within an industrial setting. Maintaining
cooling is to keep the production wheels turning and minimise the risk of equipment malfunctions or failures which cause downtime.
The transition from tradition to innovation The journey from traditional cooling methods to
modern innovations has been pivotal. Traditional methods relied on less sophisticated techniques compared to the innovations available today. Water-based cooling systems, for instance,
used large quantities of water circulating through pipes or channels to absorb heat from machinery or processes. The heated water was then redirected to cooling towers or other systems to dissipate the heat and lower the temperature before recirculation. Other methods, such as basic air ventilation and fans, were used to mitigate heat build-up. However, this method had limitations, especially in larger spaces or where precise temperature control was required. Today’s industrial cooling consists of various equipment and systems designed to precisely
need, equipment may include chillers, air-source heat pumps, air handling units, absorption chillers and drycoolers. These solutions have feature cutting-edge technologies that meet the escalating demands of the modern industrial process.
Components such as compressors, fans and motors, heat exchangers and fan coils combine
energy consumption and improve reliability.
40 May 2024 •
www.acr-news.com
Advanced heat transfer mechanisms Chillers work on the fundamental principles of thermodynamics and the refrigeration cycle. They transfer heat using a refrigerant that alternately absorbs and releases thermal energy through changes in pressure, temperature and phase (liquid to gas and vice versa). Improving heat transfer mechanisms involve optimising the design of heat exchangers, coils and the refrigeration cycle. Increasing heat refrigerants, enhancing compressor technologies and employing advanced control systems can help These enhancements are evident in Carrier’s AquaForce PUREtec 30KAVIZE air-cooled screw chiller. It is equipped with a variable-speed screw compressor and a reduced condensing surface and uses HFO R-1234ze refrigerant, which has a Global Warming Potential (GWP) of less than 1. The 30KAVIZE meets the most demanding
to other models with the same capacity, approximately saving 3 metres in length. Inside the unit, its technology can automatically adjust the cooling capacity based on the load variations of the industrial process. The Carrier-designed third generation of “w” shape Novation® aluminium micro channel performance and are approximately 10% more (Carrier proprietary testing). Furthermore, the 30KAVIZE operates at ambient temperatures of -20°C to 55
°C
a Seasonal Energy Performance Ratio (SEPR) of up to 3,7 (the ratio between annual cooling demand and annual energy input), which is 25% higher than EU Ecodesign requirements.
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