What is the action mode of cement grinding aid?

How does grinding aid work and why does it help grinding?

The research shows that the effect of grinding aid: adding an appropriate amount of grinding aid to Bai in the grinding process can reduce Du less time for materials to stay in the mill, improve the output of the mill and reduce power consumption.

Action mechanism of grinding aid: it can be considered that it is mainly to reduce grinding resistance and prevent particle aggregation. The Dao grinding aid is adsorbed on the material surface through physicochemical adsorption, the friction and adhesion between particles are reduced, and the electrical load on the particle surface is neutralized to improve its fluidity in the mill, so as to improve the working environment in the mill, which is commonly known as "powder rheology". Grinding process is a process in which the mechanical stress acts on the material intermittently. During the action period, the original cracks of the ground material are expanded and extended, and new cracks are generated; During the discontinuity, the attraction of unsaturated bond makes the crack heal again. When the two forces tend to balance, the increasing rate of grinding fineness decreases or even decreases. According to the theory of "adsorption reduces hardness", the grinding aid has the function of dispersion and depolymerization to prevent polymerization.