Plastic Raschig Ring

Plastic Raschig Ring

NAIKE Plastic Raschig rings are pieces of the tube (approximately equal in length and diameter) used in large numbers as a packed bed within columns for Distillations and other chemical engineering processes. It provides a large surface area within the volume of the column for interaction between liquid and gas or vapour. Raschig rings are named after their inventor, the German chemist Friedrich Raschig.

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Parameters of Plastic Raschig Ring

D×H×δ mm Specific area m2/m3 Void Rate % Bulk Number g/m3 Package Density (kg/m3) F factor m-1
25*25*1.0 210 90 48500 88 86
50*50*1.5 105 92 6500 65 92
Performance/Material PE PP RPP PVC CPVC PVDF
Density(g/cm3) 0.94-0.96 0.89-0.91 0.93-0.94 1.32-1.44 1.50-1.54 1.75-1.78
Operation Temp(℃) 90 >100 >120 >60 >90 >150
Chemical Corrosion resistance Good Good Good Good Good Good
Compression Strength(MPa) >6.0 >6.5 >7.0 >6.0 >8.0 >10.0

Advantages of Plastic Raschig Ring

  • High Void Ration
  • Low Pressure Drop
  • Low mass-transfer unit height
  • High flooding point
  • Small specific gravity
  • High mass transfer efficiency

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