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Efficient heat recovery from Kelvion

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World Fertilizer,

Kelvion offers solutions for heat recovery with short delivery times, low investment volumes, and high levels of heat recovery.

With its Kelvion AirToAir stainless-steel heat exchangers, Kelvion offers solutions for heat recovery with short delivery times, low investment volumes, and high levels of heat recovery. With the models designed for application ranges from –20°C -180°C, the glued tube-to-tubesheet design assures especially low weight and costs. For higher-temperature applications, up to 1000°C, Kelvion still offers the classic solution, in which the tubes are welded to the tubesheets. The glue used in light design is silicone-free, which means that the use of these heat exchangers is possible in the paper and automotive industries. Cost benefits also result with the glued version as a result of the thin-walled tubes and tubesheets: they allow lighter structural design.

Glued heat exchangers are therefore much more cost effective than conventional models, and are ideally suited for heat recovery: for example, in drying processes. The welded design, on the other hand, provides greater resistance to thermal and mechanical stresses. For additional mechanical loads, Kelvion supports customers with calculations for strength and FEA conformity. For high-temperature solutions, special temperature-resistant steels may be used.

Whether welded or glued: Kelvion adapts both versions to the necessary air volume flow to be moved and to the required performance levels. Reversal hoods allow various airflow routing principles, to match the installation situation or to further increase heat-recovery efficiency and assure remaining pressure drop values at the desired level. Kelvion AirToAir heat exchangers have been designed for applications in the paper, textile, wood, and construction-materials industries – as well as in printing operations, pharmaceutical and chemical plants, food and beverage processing, and in additional industrial sectors.

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