Three ideal mixing states of V-type mixer

The V-type mixer has a variety of mixing modes and mixing conditions. The following Changzhou Yiqi Zhongya Drying Equipment Co., Ltd. introduces three ideal mixing states:

1. Molecular diffusion: Concentration gradient push, spontaneous, occurs mainly in gas, low viscosity liquids. Low-molecular additives in polymer materials have such diffusion.

2. Eddy-current diffusion (turbulent diffusion): Occurs mainly in gases and low-viscosity liquids. Polymers rarely occur.

3. Volume diffusion: (convection mixing): refers to the movement of fluid particles, droplets, or solid particles from one spatial position of the system to another; or to the movement of two or more components in a mutually occupied space. In order to achieve uniform distribution of the components. In polymer processing, this mixing dominates. Convection mixing occurs through two mechanisms. One is called volumetric convection mixing; the other is called laminar convection mixing. Volumetric convection mixing involves volumetric rearrangement of the material by plug flow without continuous deformation of the material. This repeated rearrangement can be irregular or ordered. Laminar mixing involves the deformation of the material by laminar flow, which is the mixing that takes place between the melts. In laminar mixing, the material is subjected to shearing, elongation (stretching) or extrusion (kneading).

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