Small movable circulation grain drier

The utility model relates to a small movable circulation grain drier, which is characterized in that a fan is connected to a machine frame; the fan is connected with an air volume distributor; one end of the air volume distributor is connected with a heater case which is connected with a drying chamber; the other end of the air volume distributor is connected with a delivery pipe which is connected with a storage bin; the storage bin is connected with a drying case; an inner screen drum is arranged in the storage bin; an outer screen drum is connected to the lower side of the storage bin; the outer screen drum is arranged in the drying chamber; an upper grain discharging valve is connected to the lower side of the outer screen drum; an upper grain discharging valve port points to a hopper which is connected with a delivery pipe; the bottom end of the delivery pipe is connected with a lower grain discharging valve; a temperature controller is connected to the machine frame. The utility model solves the problem that cereals harvested by wide peasant households in countryside generate germination and mould because the cereals are not dried in time, enables harvested grains to be dried in time and can ensure good cereals drying uniformity and good quality after dried. The utility model is suitable for drying paddy rice, soybean, corn, wheat, sorghum, etc.