News

Basics of OCC Screening (second)

2023/04/19

Screening efficiency impact factors

  • Reject rate
  • Basket type
  • Slots gap
  • Bar depth/angel
  • Velocity
  • Open area

Rotor Pulse

  • Pressure pulse forces the stock through the screen
  • Vacuum pulse draws disturbing components away from the screen surface, removing them from the screen area
  • The higher the rotor peripheral speed, the greater the pressure pulse
  • The higher the pressure, the worse the screening efficiency

Screen Basket Profile with high turbulence

  • Bar angle fit for different application
  • Bar angle even more important than slot gap
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