Solar, Biomass and Hybrid Dryers - BioEnergy Discussion Lists

Figure 11.3: Fully assembled box type solar dryerThe box dryer can be built in a simple metal workshop with facilities for cutting,bending and welding of GI sheets and mild steel angles. Fabrication is simple, andrequires only regular technicians and welders, with limited guidance.The dryer can dry banana to the required final moisture content within two and ahalf days. Drying of fish takes about three and half days. The products dried in thebox type dryer are of better quality than those obtained with the cabinet dryer oropen sun drying. However, on clear sunny days, the temperature inside the dryercan be too high for drying fish. Fabrication of this box type dryer costs aroundUS$180.56