Hear from the DryFiciency Partners AIT, Fuchs, Chemours, Bitzer, Rotrex and Heaten on the development and adaption of technologies for upgrading idle waste heat streams to process heat streams at temperature levels of up to 160°C .
The open-loop heat pump system developed by the DryFiciency consortium uses advanced, low-cost, turbo-compressor technology originating from the automotive sector. It is further developed to reach condensation temperatures of up to 160°C at a combined pressure ratio of 6 when compressing steam over two stages. In the condenser, the hot excess steam reheats the process steam of the dryer. Thereby, the natural gas burner can be replaced.
Closed-loop heat pump systems, also known as compression heat pumps, compress a working media (so-called refrigerants) to higher temperature levels at the heat consumer (heat sink) than at the heat source. They deliver a much higher amount of energy (heat) than the amount of energy (usually electricity) needed for their operation. Therefore, they are highly efficient waste heat recovery devices.
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