Polydextrose producer convenient to clean

The utility model provides a polydextrose producer convenient to clean, which comprises a main body, the main body comprises an inner tank and an outer tank, a heating layer is arranged between the inner tank and the outer tank, a stirring piece is arranged in the inner tank, and the stirring piece is arranged in the outer tank. The stirring part comprises a rotating shaft, a connecting pipe arranged on the rotating shaft and a cleaning brush arranged at the end, away from the rotating shaft, of the connecting pipe, the rotating covering face of the cleaning brush is matched with the inner tank, the rotating shaft is connected with a rotating motor arranged above the outer tank, and the rotating shaft and the connecting pipe are each of a hollow structure. The cleaning brush is communicated with the connecting pipe, the upper end of the rotating shaft is communicated with a water inlet pipe and a liquid inlet pipe, the water inlet pipe and the liquid inlet pipe are rotationally connected with the rotating sha