GXJ series dry powder permanent magnet drum magnetic separator (from one cylinder to four cylinders) is a kind of continuous automatic iron separation equipment from dry powder, its internal use of a unique magnetic circuit design, by high-performance permanent magnet Wang NdFeb material as a magnetic source, strong magnetic field, large suction, high iron removal rate, with maintenance-free, energy saving, safe and reliable use of other characteristics, adjustable control of the feed amount. Suitable for different particle requirements.