Pumping Stations
Gemalen
Q-H curve
1
Archimedian Screw
Archimedes
1
Axial Pump
Weeds screen Axial
pump
1
Centrifugal pump
Weeds screen
volute
reservoir
1
Volute / slakkenhuis
Cavitation may
occur at the
transition from
subpressure to
overpressure
volute
casing
Impeller
1
Know Abouts
• Pressure pump
• Drinder/cutter pump
• Dry installation
• Wet installation (under water pump)
• Switch on level and switch of level
• Not to often switching on/off
• Modern : frequency driven
2
Submerged pump
Dompelpomp
2
Impellers / waaiers
• Many types
• Clean water
• Waste water
• Sludge
• High Q, low Discharge Head
• Low Q, high Discharge Head
2
Hdynamic
Hstatic
duty point
Q-H curve
Characteristic curve of pipe
2

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