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Some knowledge points of high shear emulsifying machine
High shear emulsifying machineThe purpose is to efficiently, quickly, and uniformly distribute one phase or multiple phases into another continuous phase, but in general, these phases are immiscible. Strong kinetic energy due to high tangential velocity and high frequency mechanical effects generated by high speed rotation of the rotor. The material is subjected to the combined effects of strong mechanical and hydraulic shearing, centrifugal extrusion, liquid layer friction, impact tearing and turbulence in the narrow gap between the stator and the rotor, so that the immiscible solid phase, under the combined action of the corresponding mature technology and appropriate amount of additives, the liquid phase and the gas phase are instantly dispersed, emulsified and uniformly refined, and stable high-quality products are obtained after high-frequency circulation.
High shear emulsifying machineKey performance advantages:
1. Also called centrifugal homogenizer, especially suitable for material pretreatment section;
2. Large processing capacity, low energy consumption, suitable for industrial continuous production;
3. The treated material has the characteristics of narrow particle distribution range and good uniformity;
4. Time saving, high efficiency, energy saving and high production efficiency;
5. Simple disassembly and assembly, easy to clean, to meet the needs of CIP cleaning in different occasions;
6. Has a certain self-priming and low-lift conveying function;
7. No dead angle, 100% of the material is dispersed and emulsified;
8. Low noise, stable operation and convenient maintenance;
High shear emulsifying machine manufacturers believe that the current application of emulsifying machine is not limited to "emulsification". Due to its unique grinding and shearing effects, the powder particles are crushed and impacted in the liquid, and then refined to the ideal particle size, so that the solid material is fully mixed into the liquid to form a relatively stable suspension. This process is also called "decentralization". The shear action of the emulsifier directly affects the fineness. After analysis, it is mainly related to the sharpness, hardness, dynamic and static clearance of the blade, the relative movement speed of the two cutting edges and the allowable particle size. Generally speaking, the sharpness, hardness, rotor clearance, allowing the cutting edge size is basically fixed, or the reluctance to change the relative movement speed is the main factor, which is manifested as the circumferential speed of the rotor. The higher the linear velocity, the higher the cutting density or impact density of the radial flow fluid, the stronger the refinement effect, and vice versa. However, the higher the line speed, the better. When it reaches a very high value, it tends to stop the flow. Therefore, the flow rate becomes small and the calorific value becomes high. Some substances will gather in order, the result is not satisfactory.
High shear emulsifying machineThe manufacturer believes that from another point of view, the structure of the experimental equipment is intelligent, so the physical size of the rotor and stator is small, and the diameter must be small. In order to compensate for the negative effect of small diameter on linear velocity, it is necessary to increase the rotational angular velocity to form the "high speed" of the experimental instrument ". As can be seen from the above, the speed of the emulsifying machine should be considered in combination with the actual processing capacity.
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