VENTILATED GRAIN HOPPER Russian patent published in 1996 - IPC

FIELD: agriculture, drying and postharvest treatment of grain. SUBSTANCE: hopper has cylindrical perforated housing 1 and air distributing shell 2. Connected to bottom 4 is air duct 8 with fan creating air flow. Pipe 10 is installed along vertical axis of hopper. Auger 11 connected by belt drive 12 with electric motor is installed on bearings inside pipe 10. Dome-shaped air intake 15 can be mounted on upper end 13 of auger 11, Air intake 15 is connected with settling chamber and additional fan. Grain is loaded into hopper from top into space between housing 1 and shell 2. Auger 11 provides circulation of grain until required moisture level is attained. Warm air delivered by fan passes through slots of shell 2 and housing 1. Grain thrown by auger 11 is blown out with aspiration air flow from dome-shaped air intake 15. EFFECT: enhanced quality of grain treatment. 2 cl, 1 dwg