Reverse fishing grating with reverse slag removal device

The utility model discloses an anti-scooping grating with an anti-slag-removing device, which comprises an anti-scooping grating main body, a negative pressure fan is mounted on one side of the top end of the anti-scooping grating main body, two threaded holes are formed in one side of the top end of the anti-scooping grating main body, and the inner walls of the threaded holes are in threaded connection with first bolts; the outer walls of the first bolts are both in threaded connection with fixing blocks, one ends of the two fixing blocks are fixedly connected with the bottoms of the two sides of the waste material box respectively, the top of the outer wall of the waste material box is connected with a box cover in a penetrating and penetrating mode, and second bolts are both in threaded connection between the two sides of the box cover and the tops of the two sides of the waste material box. The connecting shaft is driven under the transmission effect of the belt, the connecting shaft drives the anti-slag