I’m making available also here the presentation I did for the recent online edition of mcTER event, last November, dedicated to smart efficiency. Back then I took the opportunity to speak about energy savings and efficiency advantages that can be achieved with immersion TCOIL dimple jacket exchangers.
In the video, you can see a more in depth explanation of the project we deployed for the Marina di Loano seaport, in the Liguria Region. The direct immersion of dimple jacket exchangers in the seawater allowed to eliminate almost completely the pumping and suction systems of seawater that previously served traditional heat exchangers. The exchangers serve in turn a network of heat pumps, distributed all over the wide area of the seaport. The cut of electricity consumes have thus been really interesting.
TCOIL exchangers have been realized using a special material, super-duplex stainless steel, in order to ensure corrosion resistance against chlorides in the brackish water. After two years of operations by immersion, the exchangers naturally showed a certain level of biological and organic growth on the surfaces. That’s the reason why a special support structure has been designed, equipped with lifting hooks allowing to pull out the exchangers from the seaport to proceed with cleaning and washing operations using a pressure washer. This operation is much more easy with this kind of exchangers, compared to traditional heat exchangers, and doesn’t require any specific expertise thanks to the high mechanical resistance of TCOIL exchangers.
Furthermore, the video also tells about another similar installation we did in Tempco, for the Ispra Research center of the European Commission. Here, TCOIL exchangers have been immersed inside the water of an artificial drain, using its water to feed heat pumps. Fresh water entails here less material problems, which was here AISI 316. Anyway, the customer wanted an electropolished stainless steel, a special finishing that reduces the deposition and growth of algae and other organisms above the exchangers surfaces, reducing the maintenance needs.
At last, there is also a quick mention of another very interesting application of TCOIL immersion cooling exchangers, having a huge potential. That is the liquid cooling of data centers, of servers and electronic equipments. In this sector is indeed possible as well to take advantage of these exchangers by direct immersion in cold water, providing the cooling of IT devices.
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