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We want to understand the main performance parameters of the eddy current separator (belt surface effective magnetic field intensity, magnetic roll speed), belt surface magnetic field intensity, we can use the Gaussian meter to measure (can buy online); We can observe the motor label of the magnetic roll. For example, the motor label shows 2940r/min, which indicates that it is a 2-stage motor. If the equipment frequency converter shows 50Hz, the speed of the magnetic roll is also 2940 RPM. If the motor label shows 1470r/min, it indicates that it is a 4-level motor, and the equipment frequency converter shows 100Hz, then the magnetic roll speed is also 2940 revolution. (The highest speed of our company's products can reach 4000 RPM) Secondly, we can observe the brand of the motor, the brand of the inverter and the workmanship of the equipment, and the manufacturer of the equipment can also be reflected from the aspects of the material used in the equipment.
Because the material particle size is relatively small, if the conventional magnetic roll speed of 3000 RPM vortex current separator to deal with this part of the material sorting efficiency is not high (separation rate below 60%), because the 2-6mm or so small objects jump force is greatly affected by the magnetic roll speed, in order to ensure a high recovery rate, increase the economic benefits of recovery, It is recommended to choose a high frequency eddy current separator (speed at 4000 RPM).
The stability of the performance of the eddy current separator, first mainly depends on the magnetic roll part of the magnetic block magnetic properties, magnetic block magnetic properties are mainly reflected in the magnetic energy product, remanence, coercivity, which determines the stability of the magnetic block of the main parameter is coercivity, the higher the coercivity magnetic block magnetic properties more stable, so must ensure the quality of the selection of magnetic block; Secondly, the vibration during the operation of the equipment and the ambient temperature of the magnetic roll of the equipment will affect the magnetic properties of the magnetic block. Therefore, we must ensure that the dynamic balance of the magnetic roll of the equipment is within a reasonable range to ensure the long-term stable operation of the equipment.
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