Continuous production device for erythritol

The utility model provides a continuous production device for erythritol. Comprising a fermentation device, a filter device communicated with the fermentation device, a decolorization device communicated with the filter device, a purification device communicated with the decolorization device, a continuous crystallization device communicated with the purification device, a solventing-out agent kettle communicated with the continuous crystallization device and a suspension crystallizer, the continuous crystallization device comprises an inner pipe and an outer pipe arranged on the inner pipe in a sleeving manner, one end of the outer pipe and the purification device is communicated with the purification device, and the other end of the outer pipe is communicated with the suspension crystallizer; one end of the inner pipe is communicated with the solventing-out agent kettle, and the other end of the inner pipe is positioned in the outer pipe. The utility model has the characteristics that erythritol can be cont