Kaolin belongs to nonmetallic ore, a kind of clay whose main components are kaolin-group minerals. This name is from a Chinese village called Kaolin where the villagers use the white clay (kaolin) to produce porcelain. Kaolin clay is white, smooth and soft. It has good plasticity and fire resistance capacity. The mineral components of kaolin are kaolinite, halloysite, hydromica, illite, montmorillonite, quartz and feldspar.
There are four types of kaolin powder processing: coarse powder processing (0-3MM), fine powder processing (20 mesh-400 mesh), ultra-fine powder deep processing (400 mesh-1250 mesh) and micro powder processing (1250 mesh-3250 mesh)
1.Crushing Stage:Big blocks would be crushed into materials within 15mm-50mm--- the feeding size of grinders.
2.Grinding Stage:The small qualified pieces would be evenly sent, by conveyor and feeder, into the grinding cavity where the materials would be ground into powder.
3.Grading Stage:The ground material with air flow would be graded by powder separator. After that, the unqualified powder would be sent back to the grinding cavity for another grind.
4.Powder Collecting Stage: With air flow, powder meeting the fineness standard enters into the powder collecting system along the pipe. The finished powder products are sent to finished product warehouse by conveyor and packed by powder filling tanker and automatic pack machine.
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