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Sewage Flow Monitoring Device

2024-07-01
Sewage flow monitoring device is an important equipment for measuring and monitoring sewage flow, which is of great significance for the management of sewage treatment system and environmental protection. The following is a detailed answer about the sewage flow monitoring device:

1. Device type

Sewage flow monitoring devices mainly include the following types:

Electromagnetic flow meter: Based on Faraday's law of electromagnetic induction, the flow rate is calculated by measuring the change of electrical conductivity in sewage. The electromagnetic flowmeter has the advantages of high measuring accuracy, good stability and wide application range, and is suitable for various sewage measurement scenarios. Depending on the diameter of the pipe and the characteristics of the medium, you can choose pipe segment or plug-in electromagnetic flowmeter.
Ultrasonic flow meter: The use of ultrasonic signal in the sewage propagation speed difference to measure the flow. The ultrasonic flowmeter is divided into two kinds: external clamp type and insert type, which has the characteristics of easy installation, non-contact measurement and high measurement accuracy. Especially suitable for the measurement of large diameter pipes and corrosive media.

Turbine flow meter: Calculate the flow rate by measuring the rotation speed of the turbine blade in the sewage. Turbine flowmeter has the advantages of simple structure and wide measuring range, but it is easily affected by impurities and needs regular cleaning and maintenance.

Open channel flow meter: Suitable for open channel flow measurement with a free surface, such as drainage ditches. The open channel flowmeter combined with ultrasonic level meter has the advantages of large measuring range and small influence of backwater on tributary surface.

2. Role and function

The main functions and functions of the sewage flow monitoring device include:

Monitor and record the actual flow in the wastewater treatment system to help operators understand the operation of the wastewater treatment process and load changes.
Control sewage discharge, ensure that the sewage flow is within a reasonable range, and avoid too large or too small discharge to cause negative impact on the environment.
Optimizing resource utilization, by measuring sewage flow, assessing the load and energy consumption of sewage treatment systems, helps optimize operations, improve resource utilization efficiency, and reduce operating costs.
Perform material balance calculation with other sewage treatment equipment and instruments to quantitatively evaluate the sewage treatment effect and pollutant removal rate.

3. Selection and installation

When selecting a sewage flow monitoring device, the following factors need to be considered:

Measurement principle: According to the actual needs to choose the appropriate measurement principle, such as electromagnetic, ultrasonic, turbine, etc.
Installation conditions: Considering the installation requirements of pipe diameter, fluid flow direction, straight pipe section length, etc., to ensure the accuracy and reliability of the flow meter.
Range and accuracy: Select the appropriate range and accuracy according to the actual needs to meet the measurement requirements.
After-sales service: Choose a manufacturer with good after-sales service to ensure that the equipment can be repaired and maintained in time when it fails.
When installing a sewage flow monitoring device, follow the following steps:

Select the appropriate location for installation to ensure that there are no obstacles between the flowmeter and the pipe.
Connect the sensor to the pipe, making sure the connection is tight to prevent the sensor from being washed away by the current.
Set parameters, including pipe diameter, fluid type, sensor position, etc.
Calibrate the flow meter to ensure that the measurement results are consistent with the actual flow rate.
Start flow measurement, analyze and manage the measured data.

In summary, the sewage flow monitoring device plays an important role and function in the sewage treatment system. It is of great significance to choose a suitable sewage flow monitoring device and install it correctly to improve the efficiency of sewage treatment and protect the environment.

If you want to know more about the flow meter or flow meter selection, please consult the Aister flow meter manufacturer email: sales@aistermeter.com for help.
 
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