The difference between the washing process and calcining process in the washed kaolin PTMS magnetic separator process
eriz magnetic separator
Calcination process: The whiteness of calcined kaolin is more important after iron removal by PTMS magnetic separator. The higher the whiteness is, the better the quality is. The process of ceramics stipulates that drying at 105℃ is the classification standard of natural whiteness and calcination at 1300℃ is the classification standard of natural whiteness.
Washing process: the kaolin is prepared into slurry with a solid volume of about 40%. After adding dispersant, the grinding medium (such as quartz sand, porcelain beads, glass beads, nylon polyethylene beads, etc.) is added to the grinding machine. After grinding for a certain time, it is screened and then obtained by precipitation grading.
PTMS magnetic separation
Kaolin is the general name of a family of clay minerals, its basic composition is kaolinite group and polyaqueous kaolinite group, mainly composed of kaolinite, eloite, content can reach more than 90%, followed by hydromica, often mixed with pyrite, limonite, anatase, quartz, chalcedony, alum, and sometimes a small amount of organic matter. PTMS magnetic separator can remove iron (FE2O3) inside.
what is magnetic separation in science?
Kaolin after iron removal with plasticity, bonding, sintering and fire resistance and other excellent process characteristics, so it is widely used in ceramics, papermaking, rubber, plastics and refractory industries. There are three main genetic types of kaolin deposit: weathering type, sedimentary type and hydrothermal alteration type.
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