Adjustable blue algae suction nozzle

The utility model discloses an adjustable blue alga absorption head which is characterized in that the utility model comprises a supporting platform, a submerged pump, an open mouth cylinder and a floating body, wherein, the floating body is in a circular shape and is fixed below the supporting platform, the mouth of the open mouth cylinder is arranged upwards, and adjusting screws are arranged between the open mouth cylinder and the supporting platform. The adjusting screws are evenly distributed along the circumference of the open mouth cylinder, and shaft holes are arranged around the supporting platform. The upper ends of the adjusting screws penetrate through the supporting platform and stay above the supporting platform, and the upper ends of the adjusting screws are screwed by nuts. The lower end of the floating body extends into the open mouth cylinder, and a circular inlet is left between the lower end of the floating body and the open mouth cylinder. The upper end of the submerged pump is fixed on t