Backwashing device for industrial wastewater treatment

The utility model discloses a backwashing device for industrial wastewater treatment, which comprises a filter tank, a connecting block, a rotating plate and a rotating mechanism for adjusting the rotation of the rotating plate, and a blow-off pipe is mounted at the bottom of the filter tank; and the connecting block is mounted on the outer wall of the blow-off pipe. The sewage discharge pipe dredging device has the advantages that the adjusting rod is rotated to drive rotation, so that the first shifting plate is rotated, impurities in the sewage discharge pipe can be extruded and pushed, the impurities accumulated in the sewage discharge pipe are moved, the sewage discharge pipe can be dredged, the adjusting rod rotates to drive the connecting ring to rotate, so that the second shifting plate is driven to rotate, and the sewage discharge pipe is dredged. And a plurality of first stirring plates are arranged, so that the second stirring plates can rotate in the blow-off pipe, the blow-off pipe is convenientl