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Solar Tunnel Dryer

Solar Tunnel Dryer


For multipurpose drying

Item Specification

  Energy Source   Solar
  Power Drive   -

  Capacity and Type of Materials Used (MS or SS)


  Perspex, SS

Major Components

  • Drying chamber
  • Two electric fans
  • Solar panel
  • Batteries
  • Charge controller and accessories


  1. Load product (in aluminium trays)into the solar dryer
  2. Check if temperature is within optimum drying range
  3. Turn on electric fans (i.e. if temperature is above optimum drying range)
  4. Open vent to regulate air flow
  5. Periodically check the products and internal temperature of the dryer to ensure effective drying of the products.
  6. Remove the product when its dried to aspiration
  7. Turn off the electric fans
  8. Clean dryer of debris

Routine Maintenance

  1. Periodically clean out the dryer by sweeping out the debris; usually after the days’ work
  2. Open the dryer when not in use, this will prevent over heating which might destroy or reduce the life span of the dryer
  3. Clean the surface of the Perspex (and solar panel) to allow for maximum absorption of solar radiation.
  4. Check for water leakages along the spine of dryer
  5. Flush out all insects before drying

Periodic Maintenance

  1. Periodically change damaged Perspex


04 July 2016


Solar Tunnel Dryer


Equipment Fabrication

Food Research Institute is located Adjacent to Ghana Standards Authority, Near Gulf House, Tetteh Quarshie Interchange, Accra, Ghana. We are open to the general public from Monday to Friday 7:30am - 5:00pm, excluding holidays. If you need any additional information or have a question, please contact us on 0302-519092-5 or email us at info@foodresearchgh.org or director@foodresearchgh.org.

© 2018 Food Research Institute.