▎ 摘　　要

NOVELTY - The utility model claims a grain dryer, grain dryer comprises a drying box body, a hot fan; an exhaust fan; the drying box body comprises an air inlet located at one side and an air outlet located at the other side; the hot air blower is set at one side of the drying box body; the hot air blower is connected with the air inlet; the hot air blower comprises a hot air box; the hot air box is provided with at least one graphene heating sheet; the exhaust fan is set at the other side of the drying box body; the exhaust fan is connected with the air outlet. The graphene heating sheet is used as the hot air source, graphene heating sheet can reduce the volume of the hot air box, so that the occupied area of the grain dryer is reduced; when the graphene heating sheet is heated, it will not emit peculiar smell; it can reduce the drying peculiar smell phenomenon of the grain dryer.