Permanent magnet drum type fine particle magnetic separator

The invention relates to a permanent magnet drum type fine particle magnetic separator, in particular to novel low-intensity magnetic separation equipment capable of realizing separation of ore pulp in a drum, aiming at the problems that the permanent magnet drum type magnetic separator used at present is not thorough in recovery of fine magnetic particles, not clean in washing and the like. Ore pulp enters the cylinder body through the ore feeding pipe firstly, the cylinder body semi-surrounds the magnetic block box containing the permanent magnet blocks, and more magnetic particles can be attached to the inner wall of the cylinder body faster and more tightly under the combined action of magnetic attraction of the magnets and the gravity of the magnetic particles. And in the ore unloading area, the magnetic particles are thoroughly unloaded into a concentrate tank under the impact of the gravity of the magnetic particles and multiple groups of water flows. The recovery rate of the magnetic particles can be