Blue-green algae adsorption device and use method thereof

The invention relates to the technical field of algae treatment, in particular to a blue-green algae adsorption device and a use method thereof. The blue-green algae adsorption device comprises a ship body suitable for floating on the surface of a water body, and an algae mud collecting bin is arranged at the tail of the ship body; the blue-green algae adsorption assembly comprises a first adsorption roller, a first power motor and an algae scraping plate, the first power motor is arranged at the tail of the ship body, the first adsorption roller and the algae scraping plate are arranged on the outer side of the tail of the ship body, and the algae scraping plate makes contact with the surface of the first adsorption roller; the first power motor is used for driving the first adsorption roller to rotate so as to adsorb blue-green algae floating on the surface of a water body, and the algae scraping plate is used for scraping the blue-green algae on the surface of the first adsorption roller; the conveying ass