Drying roller structure for biomass fuel raw materials

The utility model discloses a drying roller structure for biomass fuel raw materials, which belongs to the technical field of drying equipment and comprises a body, the body comprises a feeding bin and a drying bin, a feeding port is arranged at the top of the feeding bin, a plurality of cavities are arranged on the inner wall of the drying bin, heating plates are arranged in the cavities, an exhaust fan is arranged on the side wall of the drying bin, and the exhaust fan is connected with the drying bin. A transmission mechanism is arranged at the bottom of the drying bin and drives the drying bin, an air cylinder is arranged in the center of the top of the feeding bin, the output end of the air cylinder penetrates through the top of the feeding bin and is connected with a connector, a water guide column is connected to the bottom of the connector, and a plurality of spray heads are evenly arranged on the side wall of the water guide column; and the side wall of the connector is connected with a water conveyi