Unmanned ship for collecting blue-green algae

The invention belongs to the field of water treatment, and particularly relates to an unmanned ship for collecting blue-green algae, which comprises a ship body, a collecting hopper, a porous scraping plate and a filtering and draining assembly, a filtering cavity is formed in the side face of the ship body. A collecting cavity is formed in the side surface of the filtering cavity; a partition plate is fixedly connected between the filtering cavity and the collecting cavity; the collecting hopper is fixedly connected to the side face of the ship body. The bottom of the collecting hopper is fixedly connected with a pipe body; the pipe body penetrates through the side wall body of the filtering cavity; a connecting block is fixedly connected to the side, close to the collecting hopper, of the partition plate. The top of the connecting block is rotationally connected with a rotating shaft; the porous scraping plate is fixedly connected to the rotating shaft; the top of the filter cavity is fixedly connected with