Screens with different pore sizes can classify ore particles according to their particle size. Qualified ore particles pass through the screens and enter the PTMS MAGNETIC SEPARATOR process, while unqualified ore particles remain on the screen surface and are returned to the crusher by the conveyor belt for re-crushing. The screening process requires strict control of the mesh size and vibration frequency of the screen to ensure the accuracy and efficiency of the screening.
If the aperture of the screen mesh is too large, it will cause some unqualified large-particle ores to enter the subsequent PTMS MAGNETIC SEPARATOR process, affecting the iron removal effect. If the mesh size of the screen is too small, it will reduce the screening efficiency and increase the production cost. Meanwhile, the magnitude of the vibration frequency will also affect the movement state of the ore particles on the screen surface and the screening effect, and it needs to be reasonably adjusted according to the nature of the ore and the actual production situation.
The ore after crushing and screening is sent into the PTMS MAGNETIC SEPARATOR. Magnetic separation for iron removal is one of the key links in the iron removal process of potassium-sodium feldspar. The principle of magnetic separation is based on the magnetic property differences of various minerals. It uses a magnetic field to selectively adsorb magnetic minerals in the ore, thereby achieving the separation of iron impurities from potassium-sodium feldspar.
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