Dehydration device for preparing organic fertilizer based on anaerobic fermentation of vinasse

The utility model belongs to the technical field of organic fertilizer dehydration, and particularly relates to a dehydration device for preparing organic fertilizer based on vinasse anaerobic fermentation, which comprises a bottom plate and a rotation driving mechanism for driving the bottom plate to rotate, a water filtering ring is fixedly connected to the outer side of the upper side of the bottom plate, and the water filtering ring is a ring body with a plurality of water filtering holes formed in the peripheral side. A self-adaptive waterproof ring and an adjusting mechanism used for adjusting the outer diameter of the self-adaptive waterproof ring are arranged on the upper side of the bottom piece and located on the inner side of the water filtering ring, a cavity between the self-adaptive waterproof ring and the water filtering ring is a dewatering cavity, the self-adaptive waterproof ring is an elastic ring body, the elastic ring body is made of latex, and the outer diameter of the self-adaptive wate