Fermentation tank baffle capable of uniformly distributing dissolved oxygen

The utility model relates to the technical field of fermentation tank baffle plates, and discloses a fermentation tank baffle plate capable of uniformly distributing dissolved oxygen, which comprises a baffle plate main body arranged in a fermentation tank, the baffle plate main body comprises a vertical section used for being attached to the inner tank wall of the fermentation tank, and one side, far away from the vertical section, of the baffle plate main body is a streamline section; the streamline section comprises an arc-shaped outer convex section and an arc-shaped inner concave section, the outer convex section and the inner concave section are of an integrated structure, the outer convex section is arranged above the inner concave section, and the width of the upper end of the baffle body is larger than that of the lower end of the baffle body. According to the utility model, fermentation liquor in the fermentation tank is pressed downwards, so that the distribution of dissolved oxygen is improved, th