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Grinding machine operation points

May 18, 2019

1. Pressure difference The stability of the pressure difference of the grinding machine is very important for the normal operation of the whole mill system. The pressure difference can reflect the amount of material in the mill. The operator can observe the pressure difference to understand the situation inside the mill. The change in differential pressure depends primarily on the amount of feed, the grinding pressure and the amount of ventilation. When the pressure difference changes, first check whether the material in the batching station is stable. Secondly, the normal operation of the mill is guaranteed by changing the grinding pressure, the amount of ventilation and the amount of water sprayed.

2. The main causes of vibration of the vibrating mill are the feeding amount and characteristics of the material (grain size, easy-grindability), grinding pressure, differential pressure, system temperature, hydraulic system of the grinding roller, wear of the grinding roller or grinding disc, etc. factor.

3. Grinding material fineness The fineness of the grinding material of the mill is controlled by changing the grinding pressure, the speed of the sorting machine, the feeding amount and the amount of ventilation. If the fineness of the milled material is too coarse, increase the grinding pressure, reduce the amount of ventilation or reduce the amount of material to be fed; if the material is too fine, adjust it in the opposite way. Generally, it is more convenient and effective to adjust the fineness of the grinding material of the mill by adjusting the rotation speed of the classifier.

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