How to control Vertical roller mill?

Feeding operation, grinding pressure, temperature, pressure difference and other factors affect the operation of the Vertical roller mill. How to control and adjust?

The Vertical roller mill is a large-scale milling equipment in the milling industry because of its large external structure and internal multi-function integrated structure. In order to reduce the damage of accessories and reduce the number of maintenance equipment, we not only have to do regular inspections, but also understand the factors that affect the normal operation of the mill. This article shares the correct feeding method when the Vertical roller mill is running. , Grinding pressure, temperature, and control and adjustment methods of differential pressure.

Proper feeding is fundamental to the normal operation of the Vertical roller mill. For different materials, we need to feed in different ways. When the material contains a lot of water, the temperature of the outlet should be appropriately raised to increase the pressure difference in the mill to an ideal state. If the feeding situation of the Vertical roller mill is reduced and the amount of material returned is low, the feed should be increased and evenly fed to ensure the normal pressure difference in the mill to avoid the vibration of the Vertical roller mill. If the thickness of the material layer is increased, we should reduce the feeding in time and ensure that the discharge opening is unobstructed. If the thickness of the material layer is reduced, we should increase the material in time and make different adjustments in different situations. Regularly monitor the temperature of the Vertical roller mill and predict whether the Vertical roller mill is operating normally by the temperature trend. If the outlet temperature of the Vertical roller mill is low, it will affect the decline in production. If the outlet temperature of the Vertical roller mill is high When the fineness of the finished product becomes coarse, the temperature of the cold air valve should be checked in time when the temperature increases or decreases. In the Vertical roller mill, the grinding pressure value affects the compression ratio of the material and the material layer. The grinding pressure increases, the thickness of the material layer becomes thinner, the grinding pressure decreases, and the material layer becomes thicker. If the grinding pressure is less than the set value, nitrogen should be added in time.

When the milling equipment is abnormal, it needs to be symptomatic and adjusted in time. Only by controlling the various values ​​in an ideal state can the fineness and output of the flour be guaranteed.

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