Algal water filtering apparatus capable of realizing water anchor point type algae suction

The invention provides an algal water filtering apparatus capable of realizing water anchor point type algae suction. The algal water filtering apparatus comprises an operating ship, a water-surface algae suction device and a ship-carrying algal water filter, wherein the bottom of the water-surface algae suction device is provided with a fixed pulley, one end of the fixed pulley is connected witha water-bottom anchoring block, and a counterweight block is hang on the other end of the fixed pulley; the ship-carrying algal water filter comprises a base, a base support, a power part, an algal water filtering part and a cyclically flushing part, the base support is provided with the power part, the algal water filtering part is installed on the upper part of the base and provides rotation power through the power part, and the cyclically flushing part capable of cyclic flushing of the algal water filtering part is erected on the upper part of the algal water filtering part; and the operating ship is also internall