Algae water collecting device of blue-green algae salvage ship

The utility model discloses a cyanobacteria water collecting device of a cyanobacteria salvage ship, which comprises a rack and a cyanobacteria water conveying belt arranged on the rack, and a reverse cleaning component positioned above the cyanobacteria water conveying belt is arranged at the top of the rack. The reverse cleaning assembly comprises two rotating rollers and a chain plate conveying belt, the rotating rollers are symmetrically arranged on the machine frame, the chain plate conveying belt is arranged on the rotating rollers in a sleeved mode, and a plurality of screening protrusions are arranged on the surface of the chain plate conveying belt. Meanwhile, through reverse movement of screening protrusions and barbs on the chain plate conveying belt, weeds on the algae water conveying belt are intercepted into the water body, and the problems that the weeds are wound on the algae water conveying belt, algae water conveying is affected, and equipment failures are caused are solved; weeds can be com