Why must resolve magnetic separator magnetic field is not uniform

Magnetic product recovered to the trajectory of the magnetic mineral particles, by magnetic and mechanical forces acting on the magnetic mineral particles on the force to decide. The non-magnetic products into the mineral particles, due to the magnetic effect is very small, even without the magnetic force, Its trajectory is determined only by mechanical forces. When the magnetic field acting on the neodymium magnetic drum separators of mineral particles is greater than the mechanical force, magnetic mineral particles are attracted to the cylinder, and with the drum is rotated to remove mines as ore output, rather than the magnetic mineral particles with

As tailings slurry flow discharge.
Through magnetic separator for silica sand description of the process, we can know that it is because of the magnetic mineral particles in a magnetic field by the magnetic force of mechanical force to achieve magnetic separation work, then how can we make the magnetic field magnetic separator ore particles Magnetic greater than

Mechanical force, so that the mineral particles adsorbed onto rolls it? These and distribution and relationships with non-uniform magnetic field! Here, we will analyze why the magnetic separator is uneven.
According to the magnetic field intensity distribution, a uniform and non-uniform magnetic field points. Refers to the so-called uniform magnetic field magnitude and direction of the magnetic field strength of each point are the same. Instead of a uniform magnetic field is the magnetic field strength of the magnetic field points big and square

To not the same. As shown below, in a uniform magnetic field distribution of the magnetic field lines is uniform, but in an inhomogeneous magnetic field distribution of the magnetic field lines are uneven.

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