Magnetic separator for particle size below 3mm magnetite, pyrrhotite, roasted ore, ilmenite and other materials wet magnetic separation, but also for coal, non-metallic minerals, building materials and other materials in addition to iron operation. Department of the use of high-quality ferrite magnetic materials or with the rare earth magnet compound formed, drum table average magnetic induction 100 ~ 600mT. According to user needs, can provide downstream, semi-counter-current, counter-current type, such as a number of different forms strong magnetic separator. The product is simple in structure, dealing with large, easy to operate, easy to maintain, etc.