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  7. Flow Measurement in large WWTP Intake Area

Flow Measurement in large WWTP Intake Area

Wastewater Treatment Plant - Intake Area

Application

  • Structured U profie made of concrete, 2.5 x 2.5 m (w x h) with dry weather channel
  • Partially filled
  • Very high discharge dynamics
  • Risk of sedimentation during nighttime

Definition of tasks

  • Detection of flow rate to WWTP
  • Highest possible accuracy despite very high discharge dynamics featuring levels from 40 to 200 cm

Solution

  • The measurement system Type NF 750 M3 with three CS2 flow velocity sensors has been used.
  • The sensors have been installed on wedge supports due to the risk of sedimentation.
  • A cable protection mounted directly on the sensor prevents damages through rat bites or similar.

Advantages

  • Easy programming thanks to internal channel shape presets
  • Required accuracies are met thanks to the use of 3 velocity sensors
  • High resolution of readings through 2 analog outputs with different scales for dry weather and rain weather

Used products

NivuFlow 750

For ultrasonic flow measurement of slight to heavily polluted media in part filled and full pipes and channels. Best possible results even under difficult conditions.
i-Serie intelligente Sensoren zur Füllstandsmessung
i-Series Sensors

Ultrasonic sensors with integrated transmitter for measurement of distance, level, empty space or volumes. Suitable for harsh ambient conditions.

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