Production Scale Magnetic Barrier Separator

摘要

The feasibility of providing multiple magnetic barriers in series in the path of particle travel along an inclined, vibrating chute was investigated with a view to obtaining increased processing rates. Measurements were made of field intensity and field gradient at the plane of symmetry between the opposed faces of several pairs of pole pieces, each pair symmetrical in cross section and having among them a number of differences as to contour and position on the cores of the magnetic circuit. Resulting magnetic energy gradients were computed. Effects of vibration frequencies and amplitudes on the movement of particles were investigated. Material having susceptibility approximately equal in value but opposite in sign, was prepared and used to investigate deflection and separation in a barrier field. Provision of multiple barriers in series appears to be feasible and effective for increasing processing rates.