FLOW, LEVEL & CONTROL FEATURE
Measuring flow in a sludge
treatment plant A
Micronics was recently selected by Aqua Enviro to supply flow meters to measure
the flow of potable water sludge through a transfer main to a treatment plant
Micronics UF D5000 was used by Aqua Enviro, a leading environmental consultancy in the water, wastewater and organic
waste sectors to measure the flow of potable water sludge through a transfer main to a treatment plant in January 2015. This was part of capital works to design a site upgrade. Rowland Minall, Aqua Enviro’s operations manager did an internet
search for a robust flow meter that could cope with high solids water. The Micronics unit is a non-contacting Doppler flow meter that gives accurate measurement from outside the pipe, meaning there was no requirement to cut into the pipes and no contact is made with the liquid. Installation is simple as there is no need to shut down the pipe. There is no fouling or scale build-up on the sensor. It is recommended for full pipes and any fluid that contains solids or bubbles so it was ideal for use in the selected location. Operation is very
straightforward. The UF D5000 strap-on sensor is mounted on the outside of a plastic or metal pipe 12.7mm in diameter or larger. To measure flow, an acoustic signal is reflected back to the sensor from moving particles or gas bubbles suspended in the fluid. Designed for problematic liquids, it works best in applications that would defeat most contacting flow meters. Because the sensor is mounted on the outside of the pipe, it is unaffected by abrasives or harsh chemicals and there is no obstruction to flow and no pressure drop. It measures flow in PVC, carbon steel, stainless steel, cast iron, fiberglass and lined pipes; indeed any pipe material that conducts ultrasound. Rowland Minall has been more than satisfied with the Micronics unit.
He comments: “It works very well with dirty water and sludge. It is reliable, simple to use and accurate. We have used the unit on several occasions in treatment plants across the UK.”
Micronics
www.micronicsflowmeters.com T: 01628 810456
INSTRUMENTATION | DECEMBER/JANUARY 2018 19 micronics
PORTAFLOW D550 Non-Invasive
Doppler Flow Meter
Portable Flow Meter for Dirty or Aerated Liquids. Investigate and Troubleshoot Flow from Outside the Pipe.
Ideal to measure full pipe flow of any liquid containing gas bubbles or solids > 100 microns and recommended for: Sewage, Treated Wastewater, Aerated Water, Sludge and Slurries, Viscous Liquids, Abrasives, Food Products, Pulp Stock, Acids and Caustics.
Find out what’s flowing where and solve flow problems, simply and quickly?
Investigate and Balance Flow, Check Performance of Pumps or other Flow Meters
n Displays, Datalogs, Transmits and Totalizes Flow in Closed Pipes
n Fast, Easy Flow Measurement with Non-Invasive Ultrasonic Sensor
n Versatile, Easy to Use n Ideal for Dirty or Contaminated Liquids
www.micronicsflowmeters.com or call
+44 (0)1628 810456 +44 (0)1628 642057
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