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Wastewater treatment plant inlet flow monitoring

Flow measurement in a large sewer pipe at the inlet of a large wastewater treatment plant

CUSTOMER

  • Water utility managing different wastewater treatment plants
  • The site to be measured is under the observation of the environment agency

TASK DEFINITION

  • Allow precise flow measurements, even when the channel is surcharged, what regularly occurs
  • Conditions: high velocities with shallow flows, no flow shutdown possible
  • Measurement location: inlet of a wastewater treatment plant, before the raw grid (bar screens)
  • Installation has to be done without entering the manhole
  • Partly filled circular pipe (DN1500)

SOLUTION

  • Installation of a RAVEN-EYE® flow meter with an ultrasonic level sensor (ULS-06) combined with an electromagnetic velocity sensor EMV-500 for flow velocity measurement during surcharge conditions
  • Custom made rail mount
  • Monitoring: UNI-TRANS with patented hybrid flow measurement algorithms
  • Online platform 123flow.com to remotely view data and generate reports
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