Drying heat pumps – Part I: System integration

Part I of this critical, non complacent review focuses on the dryer–heat pump integration issue as presented in published R&D studies. It investigates the accuracy of current configurations and proposed improvements, and evaluates their applicability in the drying industry. The scope is to promote technological advancement and the industrial implementation of drying heat pumps.

► Drying is one of the most energy-intensive process in many industrialized countries.
► Heat pumps may save up to 50% of the primary energy used in industrial drying.
► Integration of air convective dryers with electrical heat pumps has been reviewed.
►  The scope of the review is to promote reliable and efficient integration solutions.