Grinding system for montmorillonite powder

Abstract

The invention discloses a montmorillonite powder grinding system which is used for solving the problem that in the prior art, grinding aid impurities are likely to be introduced in the grinding stage, and the grinding aid impurities cannot be effectively removed through additional separation steps. The montmorillonite powder grinding system comprises a stirring mill, a classifier and a drying stock bin, according to the present invention, the grinding material formed by mixing the montmorillonite powder and the grinding aid is subjected to fine grinding in the stirring mill, and the volatile substance is adopted as the grinding aid, and can be evaporated during the drying process, such that the introduction of the new impurity is directly avoided, the purity of the final product is ensured, the additional separation step is omitted, and the production cost is reduced. The ice particles serving as a grinding aid can maintain a low-temperature environment in the stirring mill and play a role in temperature control, the stirred grinding material can be graded in the classifier, coarse particles return to the stirring mill to be continuously ground, montmorillonite particles reaching the specified particle size are introduced into the drying bin through the fan, and the product is dried through heating.

Description

technical field [0001] The invention belongs to the field of powder preparation, and in particular relates to a grinding system for montmorillonite powder. Background technique [0002] Ultrafine powders are widely used in pharmaceuticals. As the drug particles shrink, the effective contact area between the drug and the gastrointestinal fluid will increase, so the dissolution rate of the drug increases with the shrinking of the drug particle size, thereby improving the solubility of insoluble drugs. Drug effect, montmorillonite powder is an adsorbent antidiarrheal drug, montmorillonite itself has a layered structure and non-uniform charge distribution, which can fix and inhibit viruses, bacteria and the toxins produced in the digestive tract; The mucous membrane of the digestive tract has the ability to cover, and by combining with the mucus glycoprotein, it repairs and improves the defense function of the mucous membrane barrier against attacking factors in both quality and...

AI Technical Summary

Problems solved by technology

[0003]Smectite is the final form of mineral raw materials after screening, grading, continuous crushing, and grinding. Therefore, the production of smectite powder in the prior art is mostly mechanical Alloying method, that is, by mixing grinding aids and montmorillonite, under the action of mechanical force, they are squeezed each other to realize the pulverization of montmorillonite, but after adding grinding aids, even if the hardness of grinding aids is high For montmorillonite, it may still be broken during the crushing process, resulting in the final montmorillonite powder being mixed with grinding aid particles, requiring additional steps to separate the two, but even if separated, there is still a certain amount of Grinding aids remain in the montmorillonite particles

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