How can the flow rate of the three sealing air streams in the mill be allocated appropriately as required?

2012-02-13View Original

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How can the flow rate of the three sealing air streams in the mill be allocated appropriately as required?

Reply #22012-03-09

As far as I know, it should be four paths (for roller medium-speed mills). From top to bottom: rotary separator, grinding roller, tie rod, grinding disc ； Since the requirements for the sealing air of the grinding rollers are strict, a separate control valve is generally not provided; this might lead you to assume that there are three circuits of sealing air ； While maintaining the pressure difference between the seal air and the air at the mill inlet, the opening degree for the route connected to the rotary separator is approximately 45%, about 30% for the route connected to the pull rod, and around 15% for the mill disk.

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