What are the uses of sewage discharge flow meters

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1. What are the precautions for installing sewage flow meters?

What are the precautions for installing sewage flow meters?

1. Sewage flow meters should be installed at the lower and vertically upward positions of horizontal pipelines, avoiding installation at the highest and vertically downward positions of pipelines; Jingchun

2. Sewage flow meters should be installed at the rising point of the pipeline;

3、 When installing an open discharge pipeline, it should be installed at a lower point where the pipeline rises;

4、 If the pipeline drop exceeds 5m, install an exhaust valve downstream of the sensor differential;

5、 Electromagnetic flow meters should be installed with control valves and shut-off valves downstream of the sensor, rather than upstream of the sensor;

6、 Sensors should never be installed at the inlet and outlet of the pump, but rather at the outlet of the pump;

7、 The method of installing electromagnetic flowmeter in the measuring well;

2. General regulations for monitoring total water pollutant emissions and measuring flow rates?

The following is the general regulations on monitoring and measuring the total amount of water pollutant emissions and flow rate brought to you by Zhongda Consulting for reference. 1. Enterprises and institutions implementing total monitoring must install automatic sewage flow measurement devices at their discharge outlets that meet relevant technical requirements. The selected sewage flow device must be suitable for the characteristics and discharge of sewage. 2. Ultrasonic, capacitive, float, or submersible electromagnetic sewage flow meters can be used to measure sewage flow using methods such as flowmeter,

weir method, container method, buoy method, and pressure difference method. The key flow meter used must comply with relevant standards and regulations. HJ/T15 provides regulations for ultrasonic open channel sewage flow meters. 3. Buildings that can meet the requirements of sampling and flow meter installation must be constructed at the sampling point. Generally, a manhole or a straight open channel of about 10m should be built to meet the requirements of sampling and flow measurement. If constructing standard measuring channels (such as rectangular, trapezoidal, or U-shaped channels), or constructing standard measuring weirs (such as rectangular thin-walled weirs, triangular thin-walled weirs, etc.), the measuring channels and weirs used must comply with the requirements of relevant standards. The requirements for commonly used simple flow measurement methods for sewage outlets are as follows:

(1) The bottom of the discharge section of the flowmeter method should be hard and smooth, with a regular geometric shape. There should be a straight flow section of not less than 3m at the sewage outlet, and the water level height should not be less than 0.1m.

(2) A section of open channel flow measurement section that meets CJ/T3008.1-5-93 "Measurement Standard for Urban Drainage Flow Weir Trough" should be built at the discharge outlet of the weir method.

(3) The container method is applicable to discharge outlets with a flow rate of less than 50 tons per day.

. But there should be an appropriate drop between the overflow outlet and the receiving water body, or a water conduit can be used to form a drop.

(4) There is a drainage channel with a smooth bottom wall and a length of not less than 1

What are the uses of sewage discharge flow meters

1. What are the precautions for installing sewage flow meters?

2. General regulations for monitoring total water pollutant emissions and measuring flow rates?

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