The grinding of feldspar is mainly divided into dry grinding and wet grinding. Relatively speaking, the wet grinding efficiency is higher than dry grinding and is not easy to appear "overgrinding" phenomenon. In order to avoid bringing iron impurities in the grinding process, the grinding process of feldspar ore generally does not use iron medium grinding, mostly use stone wheel rolling, intermittent gravel grinding or porcelain ball grinding, which is beneficial to PTMS Electromagnetic Separator process to improve the product whiteness.
On the one hand, it reduced the Fe2O3 content and increased the Na2O and K2O content; on the other hand, removing the secondary ore sludge produced by primary ore sludge and grinding. Dudge can be used hydraulic sedimentation method, can also use the characteristics of mud with negative electric preferentially combined with flotation agent, using foaming agent or harvesting agent flotation sludge, and then PTMS Electromagnetic Separator iron removal.
The iron minerals, mica and garnet in feldspar ore have certain magnetism, while feldar has no magnetism. Therefore, the separation of feldspar and magnetic minerals can be realized under the condition of external magnetic field. Due to the weak magnetism of the iron minerals, mica and garnet in the ore, a strong magnetic PTMS Electromagnetic Separator equipment is usually needed to remove them effectively.
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