water cooled electromagnetic Separator for Silica Sand
Magnetic separation is one of the effective methods to remove iron impurities from raw materials. Because the minerals such as hematite, limonite and biotite contained in the raw material have weak magnetism, the wet high intensity magnetic separator can be selected when the magnetic field intensity is 8×105A/m(ampere /m) or more; For strong magnetic minerals containing impurities mainly magnetite, PTMS magnetic separator is used by weak magnetic separator or medium magnetic separator.
PTMS magnetic separator
The principle of pickling method to remove iron is to use the insoluble acid of quartz sand (except HF), and the acid can dissolve other impurity minerals, remove the impurities such as iron, aluminum, calcium, magnesium on the surface to achieve further purification of quartz. The use of PTMS magnetic separator process can greatly remove weak magnetic impurity minerals such as hematite, limonite and biotite, including connected particles.
what is magnetic separation used for?
The operation method is to add a certain concentration of hydrochloric acid and fluorosilicic acid solution to the quartz sand slurry at the same time; It can also be treated with hydrochloric acid solution first, and then treated with fluorosilicic acid after washing. Or reverse the order, treatment at high temperature for 2-3 hours and then filter cleaning, PTMS magnetic separator, this method can remove the iron in the quartz sand.
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