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Vertical Cement Mill Of Loche

Vertical Cement Mill Of Loche

Reasons For The High Differential Pressure Of Vertical Cement Mill And Treatment Measures

  • 1. The feeding amount is large and the grinding ability is not enough. Treatment: According to the power of the Vertical Cement Mill, the production is reduced.
  • 2, the product is too thin, the internal cycle load value is high. Treatment: Reduce the speed of the classifier.
  • 3. The classifier may be clogged. Disposal: Stop the Vertical Cement Mill.
  • 4. The guiding angle of the classifier is too narrow or the length is too long, which limits the smooth passage of the material through the exit.
  • 5. The retaining ring is too high, resulting in high internal circulation load. Disposal: Stop the Vertical Cement Mill.
  • 6. The scraping plate is broken or dropped, and no return material is formed. The material baffle is broken or dropped to form a large amount of return material. Disposal: Stop the Vertical Cement Mill.
  • 7. The internal air flow of the Vertical Cement Mill is small, which affects the material passing through the classifier. Treatment: The Vertical Cement Mill fan increases the air volume and adjusts the fan inlet damper.
  • 8. The squeezing pressure tube is clogged, and the grinding pressure (negative pressure value and return becomes small, causing the internal differential pressure display value of the Vertical Cement Mill to be high. Processing: notify the instrumentation to process.
  • 9. The wind temperature is too high and the wind speed is too fast. The material cannot form a material layer on the grinding disc and is suspended inside the Vertical Cement Mill, resulting in high pressure difference. Treatment: adjust the temperature of the humidification tower or adjust the external wind (or circulate the wind, reduce the wind temperature into the mill, and slow down the wind speed.
  • 10. During operation, the wind is used too much or the material is returned (the zipper and the side door are opened, causing the grinding pressure to drop, slowing down the internal circulation of the grinding system, increasing the return of the external circulation, making it rich, resulting in The internal differential pressure of the Vertical Cement Mill becomes high. Treatment: Adjust the internal circulation of the grinding system during operation, increase the return of the external circulation, close the doors, and prevent the occurrence of air leakage.
  • 11. The abrasiveness of the material is very poor, and the material is difficult to grind, resulting in a high pressure difference inside the Vertical Cement Mill. Treatment: Reduce production or increase the amount of pressure or on-site inspection of pressure tanks.
  • 12. The Vertical Cement Mill runs for a long time, which increases the content of quartz crystal inside the Vertical Cement Mill, which makes the material difficult to grind and the differential pressure rises. Treatment: Reduce production or discharge this part of the material.

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