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Grinding Fineness Test Results Of PTMS Magnetic Separator
Время: 2021-05-30

Magnetic Separator Machine
 The purpose of the first stage grinding fineness test is to achieve full separation of useful minerals from gangue minerals and to provide suitable particle size for subsequent separation operations. The magnetic field intensity of low intensity magnetic separation in the first stage of grinding fineness test is 1 19.37 kA/m. It can be seen that with the increase of grinding fineness, the grade of low intensity magnetic concentrate increases and the recovery rate decreases. PTMS magnetic separator can remove the iron inside (Fe2O3). Considering the grinding efficiency factor of the first stage mill in actual production and the efficient early discarding factor of wet low intensity magnetic separation, the fineness of the first stage grinding is determined to be one 0.075mm, which accounts for 52.57%.

PTMS Magnetic Separation
The magnetic field intensity test of low intensity magnetic separation was carried out under the condition that the grinding fineness of one stage was a 0.075mm accounting for 52.57%. It can be seen that with the increase of magnetic field intensity, the iron grade of weak magnetic concentrate decreases and the recovery rate increases. PTMS magnetic separator can remove the iron inside (Fe2O3). After comprehensive consideration, the magnetic field intensity is determined to be 119.37 kA/m, the corresponding magnetic concentrate grade is 41.39%, iron recovery is 84.80%.

What Is Magnetic Separation Process ?
The grade of the first stage grinding concentrate is only 41.39%, indicating that the vast majority of the magnetic ore in the concentrate is unseparated. In order to continue to improve the concentrate grade of low intensity magnetic separation, it is necessary to carry out the second stage grinding test on the first stage grinding concentrate. The magnetic field intensity of low intensity magnetic separation 2 in the second-stage grinding fineness test is 119.37 kA/m. It can be seen that with the increase of grinding fineness, the grade of low intensity magnetic concentrate increases and the recovery rate decreases. PTMS magnetic separator can remove the iron inside (Fe2O3). Considering comprehensively, it is determined that the second-stage grinding fineness is a 0.075mm accounting for 95.53%.

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