Biomass particle screening equipment

The invention discloses biomass particle screening equipment, and relates to the technical field of screening equipment. The device comprises a screening mechanism, a hole dredging mechanism and a mounting frame; a screening mechanism and a hole dredging mechanism are assembled on the mounting frame; a trough is fixedly mounted on the mounting frame; the screening mechanism comprises a drum screen and a driving motor; the driving motor is mounted on the mounting frame, and an output shaft of the driving motor penetrates through the drum screen and is mounted; sieve holes are evenly formed in the circumferential side face of the drum screen. The hole dredging mechanism comprises a hole dredging column and a synchronous roller; sparse hole columns are evenly fixed to the circumferential side face of the synchronous roller. The synchronous roller is provided with a central rotating shaft; a driven gear is mounted on the central rotating shaft; a gearbox is fixedly installed on an output shaft of the driving moto