Feed mixed fermentation device

The invention belongs to the technical field of feed fermentation, and particularly relates to a feed mixed fermentation device which comprises a fermentation tank, the fermentation tank is provided with a feed inlet, the bottom of the fermentation tank is provided with a discharge pipe, the discharge pipe is provided with an electromagnetic valve, the bottom of the fermentation tank is arc-shaped, and a stirring mechanism is arranged in the fermentation tank; the stirring shaft can be driven by one motor to perform three actions of revolution, up-and-down overturning and autorotation, feed is comprehensively overturned and stirred, then the feed and fermentation liquor can be fully mixed, the fermentation effect is improved, the feed adhering to the inner wall of the fermentation tank can be scraped off through a scraper, waste is avoided, and the feed stirring device is convenient to use and high in practicability. Meanwhile, in the feed fermentation process, the stirring part can be turned over to the posi