SOLAR ENERGY DRYER Russian patent published in 2016 - IPC F26B3/28 

FIELD: electrical equipment.

SUBSTANCE: invention relates to dryers, particularly to installations for drying of plant products, in particular grape and fruit. Solar energy dryer contains vertical chamber with thermo-insulating walls, base, perforated bottom, cover with exhaust pipe, and solar heater connected via channel with underbottom space where there are thermal energy accumulators, guides for arrangement of appliances with product in drying chamber, additional solar air heaters with light absorbing elements; at that each additional air heater is made in form of heating chamber with inlet channel in outer wall, channel connecting solar heater with underbottom space; bottom wall of solar heater is made from bimetal, wherein bimetal material on solar heater inner surface side has heat conductivity coefficient 2.0-2.5 times higher, than material on solar heater outer surface side, and profile of upper surface of curved blades of wind wheel and profile of wing lower surface of impeller are made so that they form cavity during joint motion in form of convergent cone rotation, axis of which coincides with axis of exhaust pipe; besides, between impeller and wind wheel there are intake openings in hollow shaft.

EFFECT: technical result of the invention consists in provision of convection drying at specified efficiency under varying weather and climatic operating conditions, by maintaining rated speed of air movement (depression funnel) over exhaust pipe opening.

1 cl, 5 dwg