Biomass particle production raw material crushing device

The utility model discloses a biomass particle production raw material crushing device. The grinding device comprises a storage box, a filter screen, a fine grinding box, a coarse grinding box and a feeding port. An opening is formed in the upper wall surface of the storage box; the filter screen is inserted into the upper opening of the storage box; the fine grinding box is arranged on the upperwall surface of the storage box; openings are formed in the upper and lower wall surfaces of the accurate grinding box; a maintenance door is formed in the side wall surface of the fine grinding box;a clamping groove is formed in the maintenance door; the rough grinding box is arranged on the upper wall surface of the fine grinding box; openings are formed in the upper and lower wall surfaces ofthe fine grinding box; the feeding hole is inserted into an opening in the upper wall surface of the fine grinding box; the utility model relates to the technical field of biomass particle production,and solves the problems tha