Disc Type Pearl Mill

The Disc type pearl mill uses the material pump to send the solid-liquid mixture pre dispersed and wetted by the mixer into the cylinder. The material in the cylinder and the grinding medium are stirred together by a rotating disperser, resulting in strong collision, friction and shear between the solid particles in the material and the grinding medium, so as to accelerate the grinding of fine particles.

1. Understand device features:
Before adjusting the speed, you first need to be familiar with the model of the sand mill and the operating manual provided by the manufacturer to understand its recommended speed range.
Confirm the maximum and minimum speed limits of the equipment to avoid damage to the equipment.
2. Determine adjustment goals:
According to the requirements of the grinding material, determine the particle size distribution, yield and other goals that need to be achieved.
Consider the material characteristics, such as hardness, viscosity, density, etc., these factors will affect the choice of the best speed.
3. Preliminary adjustment:
Start at the device's recommended initial speed.
Observe grinding effect, record particle size distribution, output, energy consumption and other data.
4. Make adjustments gradually:
According to the results of the preliminary test, gradually increase or decrease the speed.
After each adjustment, keep enough time for grinding in order to observe the adjustment effect.
Usually, the speed adjustment can be carried out in a range of 5-10%.
5. Experimental record and analysis:
After each adjustment, data such as rotational speed, grinding time, particle size distribution, and yield are recorded.
Analyze the data and compare the grinding effect at different rotational speeds.
6. Optimize speed:
Find the speed range for the best grinding results.
Considering energy consumption, bead wear, equipment life and other factors, determine the optimal speed.
7. Use of control system:
If the sander is equipped with a frequency converter or a programmable logic controller (PLC), the speed can be precisely controlled by these devices.
Using these control systems, finer adjustments can be made and speed stability maintained.
8. Safety considerations:
When adjusting the speed, ensure the safety of the operator and avoid injuries caused by high-speed rotating cylinders and grinding beads.
Verify that all safety devices, such as shields, are properly installed and in working order.
9. Continuous monitoring:
After determining the optimal speed, the grinding process is continuously monitored to cope with possible changes, such as changes in material characteristics, bead wear, etc.

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