Dewatering screen sand adjusting plate for slurry treatment system

The utility model belongs to the field of mud water treatment, and particularly discloses a dewatering screen sand adjusting plate for a mud treatment system, which comprises a sand adjusting plate main body, a polyurethane movable plate, a buffer plate and a bolt assembly, the sand adjusting plate main body comprises a lower main plate, mounting side plates and a folded plate, the mounting side plates are fixedly welded on two sides of the lower main plate, and the folded plate is fixedly welded on the lower main plate. A mounting hole is formed in the mounting side plate, and the sand adjusting plate main body can be mounted on the bottom side of the dewatering screen through the mounting hole; the buffer plate is fixedly installed on the bottom side portion of the lower main plate, a folded plate is installed between the buffer plate and the installation side plate, the folded plate is in an L shape, and an installation gap is formed between the folded plate and the lower main plate. The lower main plate i