FD Cyclones from Camfil Farr Air Pollution Control

These high efficiency cyclones are frequently used as product receivers, as precleaners to high efficiency fabric-type dust collectors, or as independent collectors for coarse dusts

On industrial coarse particulate, FD Cyclones are 95% to 98% efficient. Efficiency is a function of the physical parameters of the application and the design parameters of the cyclone. Cyclone efficiency increases with:

  • Coarse particle size distribution
  • Higher product specific gravity
  • Lower gas density
  • A decrease in cyclone diameter (two smaller cyclones in parallel will have a higher efficiency than one larger cyclone with an equal pressure drop)
  • Smaller outlet diameter. An increase in pressure drop also results.

Efficiency and pressure drop are also affected by barrel length, outlet length, inlet configuration, and design of the internal cone. These factors are optimized to result in the maximum possible efficiency at a practical overall size and pressure drop.

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