Yeast fermentation equipment capable of improving heat preservation performance by utilizing waste heat

The yeast fermentation equipment comprises a fixed box body, a fermentation tank body and a heat insulation plate, supporting legs are welded to the lower end of the fixed box body, a discharging valve is installed in the middle of the lower end of the fermentation tank body, and transparent observation openings are formed in the upper right ends of the fixed box body and the fermentation tank body; a servo motor is installed in the middle of the upper end of the fermentation tank body, and a fixing ring is fixedly connected to the end, away from the vertical central axis of the fermentation tank body, of a connecting stirring block. According to the yeast fermentation equipment capable of improving the heat preservation performance by utilizing the waste heat, heat generated in the yeast fermentation process is fully utilized conveniently, the heat preservation performance of the equipment is improved by utilizing the waste heat, yeast raw materials in the fermentation tank body are fully stirred convenientl