Experimental fermentation equipment

The utility model discloses test fermentation equipment which comprises a fermentation tank and a treatment box, the treatment box is arranged at the top of the fermentation tank and is communicated with the fermentation tank, a crushing roller is rotatably arranged in the treatment box, a screening part is arranged below the crushing roller, the screening part comprises a screening frame, and the screening frame is arranged in the fermentation tank. The sliding plates on the two sides of the screening frame slide in a sliding way in the treatment box. During fermentation, materials are guided in from the inlet of the treatment box, then the motor is started to drive the crushing roller to crush through the driving part, crushed particles fall into the screening frame and are filtered by the filter screen, and the filter screen is inclined, so that unqualified particles can be conveniently discharged downwards, and qualified particles fall into a fermentation tank to wait for fermentation; and the half gear c