Tunnel dryer

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Mature technology for tropical and subtropical countries....

Solar drying has been used to preserve food since time immemorial.
Today, the use of solar energy is more topical than ever. The Hohenheim type solar tunnel dryer combines simple design, use of regenerative energy and safe handling. It is particularly suitable for the production of high-quality products on farms. As a joint development of the Institute for Agricultural Engineering in the Tropics and Subtropics at the University of Hohenheim and the company Innotech-Ing, solar tunnel dryers of the Hohenheim type are in use in over 60 countries.

A tunnel dryer was also installed at the Am Sande experimental and demonstration plant for irrigation and solar technology in 2005, and has since been used to conduct doctoral, master's and bachelor's theses.

Setup and first tests 2005