Influence of Separation Angle on the Dry Pneumatic Magnetic Separation

To enhance dry magnetic separation of fine-grained materials, our research team developed the pneumatic drum separator (PDMS), an airflow-aided separator. Different positions at surface PDMS have varied angles, so particles different may be subjected to varying composite forces, resulting in a mismatch between airflow velocity and field intensity. However, because process is continuous certain position instantaneous, performance specific angle cannot investigated. evaluate optimal operating features laboratory flat (DPFMS) was manufactured, which also makes pass through plane opposite direction force. The revealed by tests for −0.15 + 0.074 mm artificial mixed ore with 0–0.6 m/s on DPFMS various angles. At angles 70° 90°, efficiency increases increase from 16.68% 33.09% 77.72% 76.54%, respectively; 110°, initially 89.53% 90.69%, then decreases 88.22% keeps decreasing. synergistic relationship drag, force gravity were investigated analyzing motion trajectory single particle. results show that proper aids enhancing distinctions magnetite quartz resultant movement. throughout wide range air velocity, while can improve small it diminish large