How To Control The Particle Size Of Colloid Mill?
Jun 19, 2025| Products Description
Generally, the colloid mill can control the particle size within the range of a few microns to several hundred microns by adjusting the process parameters such as rotation speed, cooling water temperature, feeding speed and grinding disc spacing. The specific value depends on the actual material characteristics and processing requirements.
Colloid mill is a kind of equipment widely used in homogenization, crushing and emulsification processes. Its working principle is mainly based on the relative movement of the material between the high-speed rotating fixed teeth and the moving teeth, which is affected by shear force, friction force and high-frequency vibration, so as to achieve fine processing of the material. In practical applications, we often need to adjust the process parameters of the colloid mill to control the particle size to meet the requirements of different industries for material fineness and uniformity.
| Model | Voltage | Power KW | Output KG/h | Weight KG | Dimensions (mm) |
| Gn-50 | 380/50HZ | 220V/1.5 | 10-30 | 65 | 610*400*700 |
| GN-80 | 380/50HZ | 4 | 50-100 | 210 | 850*450*930 |
| GN-110 | 380/50HZ | 7.5 | 100-200 | 300 | 850*450*1000 |
| GN-130 | 380/50HZ | 11 | 200-300 | 350 | 1000*500*1200 |
| GN-180 | 380/50HZ | 18.5 | 500-800 | 420 | 1050*550*1250 |
| GN-220 | 380/50HZ | 30 | 600-900 | 480 | 1080*600*1300 |
| GN-240 | 380/50HZ | 37/45 | 1000-1500 | 1300 | 1400*600*1350 |
| GN-300 | 380/50HZ | 75/90 | 3000-5000 | 1600 | 1500*700*1450 |
"Mesh" is a unit of particle size, often used to describe the coarseness of powders or particles. In the processing of colloid mill, the particle size is not a fixed value, but can be adjusted according to specific needs. By changing the process parameters such as rotation speed, cooling water temperature, feeding speed and grinding disc spacing, we can control the particle size produced by colloid mill.
1. Speed: Speed is a key factor affecting particle size. Generally speaking, the higher the speed, the finer the particles produced. However, too high a speed may cause increased wear of the equipment, so it is necessary to select a suitable speed according to the material characteristics and processing requirements.
2. Cooling water temperature: Cooling water temperature also has a certain effect on particle size. Too high cooling water temperature may cause the surface temperature of the grinding disc to rise, thus affecting the fineness of the particles. Therefore, it is necessary to control the temperature of the cooling water within a suitable range.
3. Feeding speed: The speed of the feeding speed will affect the residence time of the material in the colloid mill, thereby affecting the fineness of the particles. Generally speaking, the faster the feeding speed, the finer the particles, but too fast a feeding speed may also cause the temperature of the grinding disc to rise, affecting the processing effect.
4. Grinding disc spacing: The size of the grinding disc spacing directly affects the fineness of the particles. The smaller the spacing, the finer the particles. However, too small a spacing may also cause the temperature of the grinding disc to rise and the equipment to wear.
In summary, by reasonably adjusting these process parameters, we can achieve precise control of the particle size of the colloid mill to meet the requirements of different industries for material fineness and uniformity. In actual operation, it is necessary to make flexible adjustments according to specific circumstances to achieve the best processing effect.
If you have more questions about the equipment, please feel free to contact us.