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Introduction to cement grinding aids and two principles

Views:0     Author:su     Publish Time: 2018-08-27      Origin:Site Inquire

Introduction to cement grinding aids and two principles

Cement grinding aid is a kind of chemical additive to improve the grinding effect and performance of cement grinding. It can significantly increase the output of cement platform, the strength of cement at different ages, and improve its fluidity. The cement grinding aid can greatly reduce the phenomenon of electrostatic adsorption ball formation formed during the grinding process, and can reduce the re-agglomeration tendency of the ultrafine particles formed during the grinding process. The cement grinding aid can also significantly improve the fluidity of the cement, improve the grinding effect of the mill and the powder selection efficiency of the classifier, thereby reducing the energy consumption of the grinding. The cement produced by the grinding aid has a lower tendency of compaction and coalescence, which is beneficial to the loading and unloading of the cement and can reduce the wall hanging phenomenon of the cement storage. As a chemical additive, grinding aids can improve the distribution of cement particles and stimulate hydration power, thereby increasing the early strength and late strength of cement. And his two different arguments, the first is that the adsorption of the grinding aid molecules on the particles reduces the surface energy of the particles or causes the misalignment of the near-surface layer crystals, producing defects in points or lines, thereby reducing the particles. Strength and hardness promote crack generation and expansion.The second argument is that the grinding aid can reduce the viscosity of the mineral material and promote the dispersion of the particles by adjusting the fluidity of the mineral material and the surface electrical properties of the particles, thereby improving the flowability of the mineral material and preventing the particles from being in the grinding medium. And adhesion on the mill liner and agglomeration between the particles.

Cement Grinding Aid


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