In addition, the sealing of the entire pipeline needs to be good, if there is leakage point, which will cause the flow of coal ash in the pipeline in poor situation, also will cause coal ash pollution, pipeline inspection and maintenance in operation must be done.
Maintenance is essential in the daily operation of the mill operation; vertical roller mill is high-speed rotation equipment. If the feed is uneven or lack of material, vertical roller mill shell will collide with the shell, resulting in shell damage or leakage point, the leakage point will cause a lot of coal ash pollution and large vibration, so the mill bolts will loose then cause damage if it is not been found in time. Running sound of vertical roller mill should be concerned, to stop the machine in time to avoid accidents when the sound is abnormal.
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