Build Your Own Solar Dryer

Difficulty Level: Medium Tools and supplies needed: HOW IT WORKS: Details of the components of the solar dryer In this manual, we present a compact, collapsible solar dryer. The dimensions are provided for reference only. Depending on your needs, the location of the dryer, or the desired capacity, you can adjust the plans. There are various models of solar dryers, but the operating principle is always the same: fresh air enters a thermal collector where it is heated by the greenhouse effect between a glass pane and a black surface. The heated air enters the insulated drying compartment and passes through all the drying racks before being extracted through a vent. For optimal drying, the temperature should be between 35°C and 45°C, and the air in the drying chamber must be dry: as items dry, they release moisture, which is why proper ventilation is essential to maintain a dry drying chamber. Poor ventilation will impair the drying process, and excessively high temperatures will destroy the aromas and nutritional qualities of the dried goods.