Self-cleaning microalgae culture equipment

The utility model discloses a self-cleaning type microalgae culture equipment, including culture cylinder, base, motor, pump cylinder, reciprocating screw, piston and cleaning device, the top of culture cylinder is threadedly connected with cover body, reciprocating screw and cleaning device pass through the motor drive, the piston is slidingly connected in the pump cylinder and is engaged with reciprocating screw, and the piston is engaged with the cleaning device. The microalgae culture device has the advantages that the piston is driven to move in the pump cylinder through work of the motor, so that external oxygen-containing air is conveyed into the culture cylinder, the aeration speed is increased, sufficient oxygen is provided for growth of microalgae, the motor further drives the cleaning device to rotate in the working process, and the cleaning effect is improved. The cleaning device continuously scrubs the inner wall of the culture cylinder, the phenomenon that light is blocked due to the fact that m