High-salinity wastewater pretreatment system

The utility model discloses a high-salinity wastewater pretreatment system and relates to the technical field of wastewater pretreatment. The device comprises a cylinder body, a flow guide plate is arranged in the cylinder body, a filter screen is arranged in a liquid outlet pipe, a movable block is arranged at the output end of an electric push rod, protruding blocks are arranged on the two sides of the movable block, and the two sides of a fixed cylinder are rotationally connected with a first movable plate and a second movable plate through torsion springs. The movable block and the convex block are arranged, suspended solids and sediments intercepted on the filter screen can be pushed to the movable side in order while the movable block continuously moves back and forth, the first movable plate and the second movable plate are pushed through the convex block to be smoothly opened, and the suspended solids and the sediments smoothly fall into the collecting cavity; in the process that the high-salinity was