Hot Sludge Flow Measurement

Wastewater Treatment Plant - Sludge Treatment


  • Pipe with 0.15 m diameter, made of stainless steel
  • Fully filled
  • Medium contains oil and hot sludge
  • High dry substance contents up to 30 g/l


Definition of tasks

  • Continuous measurement of sludge coming from a digestion tower and being pumped through a heat exchanger. Required to detect possible blockage or reduced pump performance and to ensure permanent heat supply for the WWTP social areas.


  • The flow measurement system Type NFP has been used.
  • A hole has been drilled into the existing stainless steel pipe line and a nozzle has been welded. Subsequently the flow velocity sensor has been adjusted and fixed.


  • Easy, straightforward and quick upgrading of existing facilities.
  • High measurement accuracy and reliability despite heavy pollution.

Used products

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75031 Eppingen