Reverse osmosis water turbine flow meter
The application of turbine flowmeter in reverse osmosis water treatment is mainly reflected in flow monitoring,
process control, equipment protection and energy management. Specific application scenarios include:
1. Flow monitoring and recording: Real-time measurement of the instantaneous flow and cumulative flow of
influent (such as raw water, pre-treated water) and produced water (such as pure water after reverse osmosis)
to ensure the stability of the treatment process. Installed before and after modules such as reverse osmosis (RO),
ion exchange, and EDI (electrodeionization) to monitor the water flow distribution at each stage and optimize
process efficiency.
2. Process control: Automatically adjust the pump speed or valve opening through flow signal feedback to maintain
a constant treatment flow. For example, when the reverse osmosis membrane requires a stable water inlet, the high
-pressure pump is linked through the turbine flowmeter feedback signal to ensure stable operation of the system.
3. Equipment protection: In the dosing link (such as antiscalant, disinfectant), the dosage is accurately controlled
according to the flow ratio to avoid waste or insufficient dosage and protect the equipment from damage.
4. Energy management: Adjust the operating status of the high-pressure pump in combination with flow data to
reduce the energy consumption of the reverse osmosis system. Statistic the ratio of total water production to
wastewater volume, evaluate system efficiency and optimize recovery rate.
Turbine flowmeter selection and advantages
Turbine flowmeter has the following advantages in pure water treatment:
1. High precision: The low viscosity of pure water makes the linear relationship between turbine speed and flow
better, and the measurement accuracy can reach ±0.5%~±1%.
2. Fast response: Suitable for control scenarios that require real-time feedback (such as variable frequency pump
adjustment).
3. Low maintenance: There are no particulate impurities in pure water, which can reduce turbine wear and extend
service life.
Installation and maintenance precautions
1. Installation requirements: Sufficient straight pipe sections must be reserved before and after the flowmeter
(usually 10D in front and 5D in the back) to avoid turbulent interference. To avoid bubble interference, a degasser
must be installed upstream of the flowmeter. Ensure that the fluid flow direction is consistent with the flowmeter
mark, and large pipelines require additional support to prevent vibration.
2.Maintenance points: Regular calibration (every 6-12 months), clean and check whether the turbine is stuck,
remove trace deposits, and regularly lubricate mechanical bearings.
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