GRAIN DRYING DEVICE Russian patent published in 2024 - IPC F26B17/26 

FIELD: machine building; agriculture.

SUBSTANCE: invention relates to agricultural machine building, in particular, to grain drying devices. Grain drying device comprises a rectangular cross-section casing, the surface of which is coated with a layer of heat-insulating material, a loading bin, discharge window, fan, air duct, heating elements, transporting working element installed inside the casing and drive. Transporting working element is made in the form of a keyboard conveyor, the surface of which is made with a gradually increasing inclination to the horizontal line in the direction of the discharge window. Width of keys and distance between adjacent keys are made less than thickness of grain. Keys are made from heat-conducting material. Heating elements are installed on the lower side of the keys. On the outer side of the outermost keys of the transporting working element along their entire length there are boards. Air duct is installed in the lower part of the casing.

EFFECT: quality of grain drying is improved.

1 cl, 2 dwg