Filtering device of aluminum plate strip online cleaning equipment

A filtering device of aluminum plate strip online cleaning equipment comprises a filtering box, a strip-shaped filtering net is arranged in the filtering box, and the two sides of the filtering net are connected with a chain in a chain wheel transmission pair. When the chain wheel transmission pair moves, the filter screen moves along with the chain, and impurities on the filter screen are conveyed to the outside of the filter box; and a spray header and a brush roller are arranged outside the filter box and are used for removing impurities from the filter screen. According to the filter device, impurities falling on the filter screen can be discharged out of the filter box in time, so that the filter screen is prevented from being blocked, the contact time of the impurities and cleaning liquid is shortened, and the incrustation generation time is further prolonged. In addition, the filtering device can be opened intermittently, so that impurities can be cleaned in time, and ineffective loss of moving parts i