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Comment Heat Transfer

Heat-exchanger ‘fusion’

By Gerald Ondrey |

Last month at the Brau Beviale 2011 Exhibition (November 9–11; Nuremberg, Germany), Alfa Laval AB (Lund, Sweden; www.alfalaval.com) launched a new plate heat exchanger, which combines the energy efficiency, accessibility and modularity of plate technology with the viscous and particulate-handling capabilities of tubular technology. The so-called FusionLine features a 4–6-mm open-channel on the product side (diagram, red), which is easy to clean-in-place and is fully accessible. The open-channel design — with no contact points — is made possible by bonded plate cassettes on the media side (diagram, blue), which are bonded using the company’s patented AlfaFusion technology, which bonds two stainless-steel plates together into one piece with no joints. Traditional PHE FusionLine AlfaFusion technology allows the use of thin plates for optimal heat transfer, and also maintains a high resistance against product pressure. The channel geometry ensures gentle product treatment, and the plates can be easily added and removed, enabling quick reaction to changes in production volume. The footprint is also 30–40% smaller than a tubular heat exchanger, says the company. The FusionLine is suitable for viscous…
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