Silica sand manufacturing process is mainly purification, to remove a small or small amount of impurities in quartz sand, to obtain refined quartz sand or high-purity quartz sand separation technology. Quartz sand purification process mainly includes water washing, grading desliming, scrubbing, magnetic separation, flotation, acid leaching, microbial leaching, etc.
The grade of SiO2 in quartz sand decreases with the grain size of quartz sand becoming smaller, while the grade of impurity mineral is opposite. This phenomenon is especially obvious in quartz sand containing a lot of clay minerals. Therefore, it is necessary to wash and desliminate the raw quartz sand ore before beneficiation.
Scrubbing is to remove the thin-film iron and argillaceous impurity minerals on the surface of quartz sand by mechanical force and abrasive stripping force between sand grains, and further grind the mineral aggregate which is not formed into monomer, and then achieve the effect of further purification of quartz sand through grading operation. At present, there are two main methods: rod friction and mechanical scrubbing.
Attrition Cell Scrubber is a mechanical scrubbing equipment designed and manufactured by LDHB according to the production practice. It is used to scrub the pulp with a concentration of 68 ~ 70% and to scrub the mud and sand on the ore, so as to create conditions for beneficiation operation and also suitable for other scrubbing industries. The utility model has the advantages of simple structure, large volume, small floor area, small power consumption, high intensity of scrubbing and stirring, and good scrubbing effect.
The impeller of attrition cell scrubbers is above the pulp precipitation area. It is easy to start and has low starting power, which can reduce the labor intensity of operators.
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