Supporting shell replacement & shimming systems

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In a rotary tube, the falling down or premature aging of refractory liners are usually caused by over-ovalization, or permanent shell distortions (forging).
When a too low gap between shell and tyre is adjusted while the kiln is stopped, depending on the operating condition, it can lead to an over shrinkage of the tyre on the shell during the operation. In order to avoid this problem, Fives proposes a supporting shell replacement, integrating its unique designed shimming systems.

Customer benefits

  • Longer refractory lifetime
  • Lower shell ovality
  • Reduced risks of cracks
  • Reduced maintenance costs
  • Simplified maintenance operations to come
  • Floatings shims adapted to existing rotary tubes

Key references

  • Lafarge (Kenya)
  • Lafarge (France)
  • Holcim (Switzerland)
  • Huntsman (Spain)
  • Alteo (France)
  • Italcementi (France)
  • GICA (Algeria)

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