1. Quartz sand scrubbing - classification, desliming, PTMS magnetic separator purification process. In the process of weathering, deposition and mineralization of quartz sand, a large number of clay minerals and iron minerals form cementation or adhesive minerals on the quartz surface. The clay impurity minerals, argillous iron and some thin film iron were removed by scrub-grading, desliming and PTMS magnetic separator processes.
2. Quartz sand scrubbing - desliming -PTMS magnetic separator purification process. In general, quartz sand common impurities minerals, such as limonite, tourmaline, hematite and biotite and other weak magnetic ore can only be reduced by magnetic separation process. In actual production, wet high intensity magnetic machine is used for sorting, and the magnetic field intensity is about 13000 oster.
3.Quartz sand bar friction washing - desliming -PTMS magnetic separator - flotation purification process. On the one hand, the rod friction washing process strengthens the scrubbing effect, on the other hand, due to the presence of appropriate steel rod, the particle size composition of the original sand can be changed, which provides a mineralogical basis for the further separation of quartz sand. Flotation is to reduce feldspar, hydrofluoric acid flotation is mostly used abroad.
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