XBSY QJ Mud Cleaner: Integrated Desander & Desilter with Shale Shaker Mud Cleaner The XBSY QJ Series Mud Cleaner is an integrated solids control unit that combines 300 mm desander cyclones (2 units) , 125 mm desilter cyclones (12 units) , and a linear-motion shale shaker to provide efficient multi-stage removal of unwanted solids from drilling fluid. During operation, drilling fluid first enters the hydrocyclones for primary separation. The separated overflow is returned to