Circular stirring system capable of controlling microalgae culture

The invention discloses a circular stirring system capable of controlling microalgae culture. The system is technically characterized by comprising a control system, a container and a stirring device arranged in the container, wherein a top cover for fixing the stirring device is arranged at the top of the container, the control system is used for controlling the stirring device, the stirring device comprises a motor, a rotating rod, a first rotating blade and a second rotating blade, the first rotating blade and the second rotating blade are mounted on the rotating rod, the second rotating blade is arranged at the bottom of the first rotating blade, the motor is used for driving the rotating rod, the part, close to a shaft end, of the first rotating blade adopts a flat piece structure, the part far away from the shaft end is a reverse screw oblique blade, and the second rotating blade adopts a multi-blade screw structure. The circular stirring system capable of controlling microalgae culture can control a mi