The present invention relates to the technical field of petrochemical processing, and provides a mixing and dispersing screw assembly for petrochemical processing, comprising a screw cap and a rod body. The screw cap is installed at the end of the rod body, a plurality of inwardly extending and downwardly inclined grooves are formed on the outer peripheral surface of the screw cap, the plurality of grooves are equally spaced along the circumferential direction of the screw cap, and a spiral groove extending downward and communicating with the outer peripheral surface of the screw cap is formed at the top of the screw cap. In the mixing and dispersing screw assembly for petrochemical processing provided by the present invention, grooves and spiral grooves are respectively designed on the outer peripheral surface and the top of the screw cap. During the rotation of the screw, the grooves and spiral grooves will contact the plastic, making the plastic move with the rotation of the screw, thereby solving the problem that plastics with high viscosity and high density are difficult to move due to aggregation, achieving the purpose of uniform mixing and plasticization, and ensuring the quality of products output by the twin-screw extruder.
Country Code: CN
Application Number: CN202410354561.5
