Kaolin grinding equipment, crushing equipment, pulverizing equipment.

Release time:

2025-01-08 10:36

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Kaolin is a non-metallic mineral, primarily composed of kaolinite clay minerals. Pure kaolin has many excellent physical and chemical properties, such as high whiteness, softness, easy dispersion in water, good plasticity and high adhesion, excellent electrical insulation performance, good acid resistance, very low cation exchange capacity, and good refractoriness..

In the paper industry, kaolin can be used as a filler and coating for paper, effectively improving the gloss of the paper, filling the gaps between paper fibers, and increasing the opacity of the paper. In the ceramics industry, kaolin is an important raw material for making various types of ceramics. During the firing process of ceramics, kaolin decomposes kaolinite to form a framework for the body, which makes the ceramic body less prone to distortion.Shape.At the same time, it broadens the firing temperature range and improves the whiteness of the ceramics. In the coatings industry, kaolin has been used as a filler for coatings and paints due to its white color, low cost, good flowability, stable chemical properties, and high surface cation exchange capacity. In the rubber industry, kaolin is added to the colloidal mixture of rubber to enhance the chemical stability, wear resistance, and mechanical strength of the rubber, extend the curing time, and improve the rheology, mixing, and vulcanization of the rubber, increasing the viscosity of uncured products and preventing them from sinking, collapsing, drooping, deforming, or flattening.

Vertical grinding machines play an important role in kaolin processing, and their working principle mainly involves therotation of the stirring shaft.Under pressure, the material is crushed by extrusion, grinding, and shearing forces, and the fine powder is classified by a classifier and collected as a finished product. The specific process is as follows:

First, after the material is fed into the vertical grinding machine,the stirring shaftrotates under the drive of the motor,the stirring shaftapplying pressure to the material. During this process, the material is extruded, reducing the spacing between particles. At the same time, due to thethe stirring shaftrotation and thegrinding medium,the material is also subjected to grinding and shearing forces, further crushing it.

The rotor structure of thecell mill is uniquely designed to enhance the shearing force, achieving nano-level grinding and greatly improving grinding efficiency. Through high-frequency reciprocating stirring, impact, and shearing actions, the ground samples are more fully and uniformly processed, with better reproducibility and no cross-contamination. It can handle a large number of samples in a short time, significantly improving production efficiency. It meets the stringent requirements of the high-end market for material quality and satisfies various personalized needs of customers.

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