Process Tools

Cyclone Separator

Theory

Cyclone Separator Calculator

Design gas-solid cyclone separators with cut diameter and efficiency calculations

Input Parameters

Typical: 15-20 m/s

Suggested for flow: 0.43 m

Dust: 2500, Coal: 1300, Cement: 3000

Air at 20°C: 1.2 kg/m³

Air at 20°C: 1.8×10⁻⁵ Pa·s

Lapple (Standard)

Inlet (a×b): 250×125 mm
Exit Ø: 250 mm
Cylinder h: 1000 mm
Total H: 2000 mm

Performance Results

Cut Diameter (d₅₀)
4.64
microns (μm)
Pressure Drop
270
Pa (1.08 inH₂O)

Performance Metrics

Separation Factor:45.9 G
Number of Turns:8.0
Reynolds Number:125000
Actual Inlet Velocity:8.9 m/s

Collection Efficiency vs Particle Size

1 μm:
4.4%
2 μm:
15.7%
5 μm:
53.8%
10 μm:
82.3%
20 μm:
94.9%
50 μm:
99.1%
100 μm:
99.8%
200 μm:
99.9%

Design Recommendations

  • ✓ Excellent for fine particle collection
  • ✓ Low pressure drop - energy efficient
  • ⚠ Low inlet velocity - increase diameter or flow rate

Learn More

Understand the principles of cyclone separation, centrifugal force, Stokes law, and design methodologies for gas-solid separation.

View Theory & Examples