A Solar Tray Dryer Machine uses the sun's energy to heat air, which then circulates through trays holding food, evaporating moisture for preservation, featuring a collector, drying chamber with trays, and ventilation, offering contamination protection, controlled drying, and fuel-free operation, with designs ranging from simple box types to advanced hybrid systems using fans and batteries for consistent drying. Working Principle Energy Capture: A dark absorber plate or chamber heats up from solar radiation. Air Heating: Air enters the collector, gets heated, and rises due to convection. Moisture Removal: Warm air flows over trays of sliced fruits, vegetables, or spices, picking up moisture. Humid Air Exhaust: Humid air exits through vents or exhaust fans, while fresh, dry air enters, creating continuous airflow. Key Components & Types Direct Dryers: Food is placed in a box with a transparent lid, using the greenhouse effect for heating (e.g., simple box dryers). Indirect Dryers (Distributed): Separate solar collector heats air, which is then blown into the drying chamber, better for sensitive foods. Components: Solar collector, insulated drying chamber, trays (often mesh/screen), transparent cover (glass/plastic), vents, and sometimes fans/batteries. Benefits Contamination-Free: Protects food from dust, insects, and animals, unlike open-air drying. Controlled Environment: Provides consistent temperatures (50-80°C) for faster, more uniform drying. Cost-Effective: Uses free solar energy, eliminating fuel costs. Versatile: Dries various produce like fruits, vegetables, herbs, spices, and fish. Modern Features Hybrid Systems: Combine solar with biomass/fossil fuels for cloudy days. Forced Convection: Use solar-powered fans for enhanced airflow. Battery Backup: Solar panels can power fans and lights for continuous operation. MODEL CAPACITY 25KG 25KG 50KG 50KG
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Assisi Nagar, Aruna Layout, Athipalayam Pirivu, Sri Laxmi Nagar, Ganapathy, Coimbatore, Tamil Nadu 641006
Coimbatore, India, 641006