Filtering device for ship

The utility model discloses a filtering device for a ship. Through the structure, the water purifier comprises a main body, a filter screen is arranged in the main body, a water storage tank is fixedly connected to the interior of the main body, a water outlet pipe is fixedly connected to the lower end of the water storage tank, a water outlet is fixedly connected to one end of the water outlet pipe, a mounting column is mounted on the inner top wall of the main body, and a motor is fixedly connected to one side of the main body; an output shaft of the motor is fixedly connected with a threaded rod, the outer surface of the threaded rod is in threaded connection with a threaded block, the lower end of the threaded block is fixedly connected with a connecting rod, the lower end of the connecting rod is fixedly connected with a brush plate, the lower end of the brush plate is fixedly connected with a brush, and a baffle sliding groove is formed in one side of the main body. A placing groove is formed above a ba