Local Exhaust Ventilation Diagrams » Dross and Skimmings Storage Ventilation

diagram of Dross and Skimmings Storage Ventilation highlighting the various features
  • Q = 100 cfm/sq ft barrel top min
  • Duct velocity = 3500 minimum
  • Entry loss = 0.25 vp + 1.78 slot vp
  • Manual loading
  • Q = 150 cfm/sq ft open face area
  • Duct velocity = 3500 fpm minimum
  • Entry loss = 0.25 vp for 45 degree taper
  • Q = 50 cfm x drum dia (ft) for weighted lid
    150 cfm x drum dia (ft) for loose lid
  • Duct velocity = 3500 fpm minimum
  • Entry loss = 0.25 vp
  • Q = 300 - 400 cfm
  • Duct Velocity = 3500 min
  • Entry loss = 0.25 vp