THE DIFFERENCE BETWEEN EMULSIFIER/ HOMOGENIZER MIXER AND COLLOID MILL

High Shear Dispersing Emulsifier is the process of efficiently, rapidly and uniformly entering one or more phases (liquid, solid, gas) into another mutually incompatible continuous phase (usually a liquid) by the Vacuum Homogenizing Emulsifier Mixer. In normal circumstances, the phases are mutually incompatible. When external energy is input, the two materials are reorganized into a uniform phase. Due to the high tangential speed and high-frequency mechanical effects generated by the high-speed rotation of the rotor, the material is subjected to strong mechanical and hydraulic shear, centrifugal extrusion, liquid layer friction and impact in the narrow gap between the stator and the rotor of the Vacuum Emulsifying Mixer. A combination of tearing and turbulence forms a suspension (solid/liquid), an emulsion (liquid/liquid) and a foam (gas/liquid). Therefore, the emulsifier/homogenizer mixer of incompatible solid phase, the liquid phase and the gas phase are uniformly and finely dispersed and emulsified under the action of the corresponding mature process and an appropriate amount of additives, and after high frequency circulation and reciprocation, a stable high quality product is finally obtained by emulsifier/homogenizer mixer.

Colloid mill

High Shear Dispersing Emulsifier

The colloid mill is driven by a motor to drive a rotating tooth (or a rotor) to a relatively high-speed rotation with a matching fixed tooth (or a stator). The material to be processed passes through its own weight or external pressure (which can be generated by a pump). The pressure produces a downward spiral impact force, which is subjected to strong shearing force, friction force, high-frequency vibration and other physical effects through the gap between the fixed and rotating teeth (the gap is adjustable), so that the material is effectively emulsified and dispersed. And smashing, to achieve the effect of ultra-fine pulverization and emulsification of materials.

From the principle, they all have grinding and pulverizing effect. The refining effect of colloid mill is generally weaker than that of Vacuum Homogeneous Emulsifier, but it has strong adaptability to materials (such as high viscosity and large particles), and their material flow is easier. Downstream,,, so in many cases, it is used in the front of the homogenizer or in high viscosity applications. Colloid mills are often used for refining when there are many solid materials. However, the specific situation depends on the material.

  1. If need grind thin, it is recommended to use colloid mill, such as 100UM or more. If the raw material particles are relatively small, generally use an emulsifier, such as 1-20UM.
  2. If the solid content of the material is relatively high, it is recommended to use a colloid mill, such as peanut butter. Generally, the refining effect of the colloid mill is weaker than that of the emulsifying machine, but it has strong adaptability to materials (such as high viscosity, Large particles), so in many cases, it is used in the front of the homogenizer or in high viscosity applications. Colloid mills are often used for refining when there are many solid materialsthan the emulsifier/homogenizer mixer.

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