Microbial agent fermentation device

The utility model discloses a microbial agent fermentation device which comprises a fermentation tank, a control panel arranged on the fermentation tank, a feed pipe arranged at the top of the fermentation tank and a discharge pipe arranged at the bottom of the fermentation tank, a servo motor is arranged on the fermentation tank, the output end of the servo motor extends into the fermentation tank to be connected with a stirring shaft, and the output end of the servo motor extends into the fermentation tank to be connected with the stirring shaft. The stirring shaft is arranged on the stirring shaft, a shaft sleeve is arranged on the stirring shaft, a plurality of stirring blades are arranged on the shaft sleeve, and electric heating tubes are arranged on the stirring blades. Materials at the lower part in the fermentation tank are subjected to material overturning operation through the material overturning mechanism, so that the materials at the upper part and the lower part are fully stirred; the temperatu