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may 16, 2018 after silica sand gravity separation, there will still some percentage magnetic minerals in silica sand, so need to remove it by magnetic separator, different magnetic minerals, will use different gauss magnetic separator, for removing iron, need 1000 gauss, for removing ilmenite and hematite, need 000 gauss. different usage of silica the silica sand is used to make high-end glass, so there is a high requirement for its purity that the content of is below pm. In order to achieve this effect, after lots of tests and technical exchange, we designed a set of process scheme of grinding and coarse-to-fine magnetic separation. the raw ores contain 0.06%apr 04, 2019 silica sand and hydrocyclone silica sand. high-purity quartz sand has a wide range of applications in the high-tech industry. In the semiconductor industry, high-temperature thermal performance wafers can be made from molten quartz for high-temperature thermal stability with high temperature and thermal stability.silica sand washing plant mainly includes: quartz stone crushing and sand making, washing, grading, desliming, scrubbing, magnetic separation, flotation, acid leaching and other processes to remove the small amount or micro amount of impurities in silica sand and obtain refined silica sand or high-purity silica sand for glass, ceramics, construction, chemical and other industries.In silica sand production, the wet high intensity magnetic separator of about 13000 gauss is mostly used for separation. due to the different impurities in silica sand, different magnetic separator should be selected according to the actual production, and even multiple magnetic separation
silica sand washing process. washed and graded. the grade of Si in quartz sand decreases with the finer grain size of quartz sand, and the grade of impurity minerals is the opposite. this phenomenon is especially obvious in quartz sand containing a large number of clay minerals. therefore, the quartz sand ore before the selection is carried out.may 09, 2016 the sub-a flotation machine has been very successful for silica sand flotation because it will efficiently handle the fast settling sand and move it along from cell to cell positively. aeration, agitation and selectivity due to the quiet upper zone can be carefully regulated to produce the desired separation.