Drying device for high-viscosity sand-bound vinasse

The utility model provides a drying device for high-viscosity grain stillage bound with sand. Comprising a first box body, a first rotary kiln, a second box body, a second rotary kiln, a third box body and a scattering mechanism, the first box body, the first rotary kiln and the second box body are sequentially connected to form first-stage drying, and the second box body, the second rotary kiln and the third box body are sequentially connected to form second-stage drying; the second box body is arranged between the first rotary kiln and the second rotary kiln, and the first rotary kiln is communicated with the second rotary kiln; one end of the scattering mechanism penetrates through the third box body and the second box body and is rotatably arranged on the outer wall of the first box body, the end, away from the first box body, of the scattering mechanism is arranged outside the third box body and connected with a motor, and the motor drives the scattering mechanism to rotate so as to scatter the wet mater