Filtering device for efficiently treating wastewater

The utility model discloses a filtering device for efficiently treating waste water, which relates to the technical field of waste water treatment and comprises a waste water treatment box body, the side surface of the waste water treatment box body is fixedly connected with a conveying pipeline, and the conveying pipeline is communicated with the inside of the waste water treatment box body. A filter grid is fixedly connected in the conveying pipeline, the center of the filter grid is rotationally sleeved with a rotary rotating rod, one end, close to the wastewater treatment box body, of the rotary rotating rod is fixedly connected with a rotary fan blade, and the outer surface of one side, far away from the rotary fan blade, of the rotary rotating rod is fixedly connected with a cleaning brush. Solid impurities attached to the surface of the filtering grid can be cleaned through the cleaning brush, so that the problem that the filtering grid is blocked due to the fact that excessive solid impurities are att