Rural Technologies

It is an indirect heating type natural convection drier for drying agro-horticultural and herbal products.In this dryer, the heat required for drying is supplied by firing biomass in a conical shape burner. The flue gas from the combustion chamber melts the wax plate before leaving through chimney. The fresh air passes through and over the wax layer, temperature increases, then passes through the drying tray. While passing through the products, it takes away moisture and the products get dried. Salient features of biomass dryer: Can be customized for drying different products. Can also be customized for different sizes. Negligible maintenance is required. The dryer was tested for paddy, king chilly, pineapple, ginger, etc.