The single plate screen changer, commonly known as the single board fast hydraulic screen changer, has been widely used in the market due to its simple structure, high cost-effectiveness, wide range of use, and the characteristics of no downtime, no material leakage, smooth flow channels, and simple operation. The single plate quick screen changer is simple in structure and convenient in connection. It can be used in direct connection with single screw extruder, twin screw extruder and reaction