Vertical crusher for calcium carbonate, vertical ultrafine grinder, vertical wet grinder

Release time:

2025-04-08 09:48

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Nanometer calcium carbonate, as a novel ultrafine solid material, possesses characteristics such as being non-toxic and harmless, high whiteness, and excellent color. Its particle size is only one-tenth that of ordinary lightweight calcium, thus exhibiting unique surface effects and small size effects characteristic of nanomaterials. It has significant advantages in magnetism and catalysis, making it a research hotspot in the field of functional inorganic materials.

Currently, the industrial preparation of nanometer calcium carbonate mainly adopts two process routes: physical methods and chemical methods. The physical method does not involve chemical reactions; it mainly uses physical means to process raw materials such as natural limestone into nanometer calcium carbonate. The core equipment of this process is a cell mill, an innovative grinding equipment that integrates gravity and fluidization technology.

The working principle of the cell mill is based on the high-speed rotation of a multi-level alloy stirring disc, which allows the grinding media and slurry to mix thoroughly, forming a dynamic eddy current field. In this process, material particles are efficiently pulverized through mutual collision, shearing, and extrusion. The application of fluidization technology ensures that grinding media of different densities are uniformly distributed in the slurry, achieving fine processing of the material. Ultimately, it can produce ultrafine calcium carbonate particles with a particle size of less than 1 micron and below 100 nanometers.

As a professional wet grinding equipment, the cell mill has several technological advantages. Its vertical structure design, combined with the high-shear grinding principle, enables continuous production, significantly improving production efficiency. The precise flow path design inside the equipment effectively reduces material residue, ensuring product purity. In addition, by adjusting the stirring speed and grinding media ratio, it can flexibly adapt to the processing needs of different materials and is suitable for the ultrafine grinding of various materials such as nanometer calcium carbonate, pigments, and ceramics.

The application of the cell mill in the preparation of nanometer calcium carbonate has not only improved product quality and performance but also provided strong support for technological upgrades in related industries.

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