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Don't miss it! On-line monitoring system for water quality of top ten domestic water supply networks in 2022
The water quality of water supply network is very important to our health and the surrounding environment. Water is an irreplaceable basic resource for human survival and economic and social development, and also a basic element of living environment. With the grid management of capital construction in big cities, with the continuous progress of science and technology, and with the improvement of people's concept of natural environment, the online water quality monitoring system of water supply network came into being.

What are the online water quality monitoring systems of the top ten water supply networks in China? Let's take a look together.

1. On-line monitoring system for water quality of Ganchuang water supply network in Shanghai

The WQCE 200 complete equipment of online monitoring system for water supply network in Ganchuang, Shanghai adopts new technologies such as Internet of Things and cloud computing. It can realize 24-hour uninterrupted monitoring and remote monitoring of water resources, so as to grasp the dynamic changes of water quality in time, realize remote real-time data collection and analysis of monitoring points, understand and deal with possible problems in time, and provide managers with fast and convenient daily operation and maintenance management.

Moreover, its design is mainly aimed at the defects that traditional water quality monitoring equipment cannot be used without commercial power and needs reagents at the same time, and it is designed and developed for low-power multi-parameter water quality automatic monitoring with battery power supply. The water quality parameters monitored by the equipment mainly include residual chlorine, turbidity, conductivity, PH value and temperature. The terminal adopts GPRS/NB-iOT wireless communication mode and sends water quality data to the monitoring center through the Internet. At the same time, the terminal supports MODBUS communication protocol.

In addition, the water quality monitoring terminal has a built-in lithium battery, no external power supply is needed, and the protection level is IP68, which is suitable for normal operation under harsh environmental conditions. Adopt integrated full-spectrum online technology, multi-parameter online automatic measurement, no chemical reagent, no secondary pollution. It is suitable for unattended drinking water safety monitoring station, with simple operation and plug-and-play measurement.

Two. On-line monitoring system of water quality in Gandian science and technology

Gunden Technology GD33- 10 1B standard five-parameter water quality monitor is an instrument that can continuously detect various indicators of water quality. It is also called multi-parameter water quality monitor when it is connected with various parameter sensors and runs at the same time. Small and portable wall-mounted design, light weight, small volume, real-time monitoring of water quality in limited space, Chinese interactive menu, simple function setting and convenient operation. In addition to the standard five parameters, it is the highlight of the product to flexibly configure parameters according to customer needs and realize dynamic real-time monitoring of water quality. Optional parameters include: ORP, residual chlorine, COD, ammonia nitrogen, suspended matter, chlorophyll, cyanobacteria, oil in water, etc.

3. Faulkner Science and Technology Water Quality Online Monitoring System

Faulkner Technology's KNF-400A water quality monitoring system can monitor many indicators such as pH, turbidity, temperature, conductivity, ammonia nitrogen and COD. Real-time online, plug-and-play, complex networking cloud platform data management system can be used for data export, curve drawing, SMS/WeChat/email and other early warning receiving methods, and can set alarm values.

4. Hash water quality online monitoring system

As a multi-parameter online water quality analyzer, MS6 100 online automatic water quality analyzer can continuously monitor seven parameters, including residual chlorine, total chlorine, turbidity, pH, ORP, conductivity and temperature. The turbidity module of this online automatic water quality analyzer adopts 360 X90 detection technology, which is more accurate. Low maintenance and flexible configuration. MS6 100 multi-parameter online water quality analyzer adopts the following detection methods for seven parameters:

Residual chlorine/total chlorine: N, N- diethyl-1, 4- phenylenediamine spectrophotometry (DPD method)

Turbidity: 90 scattering turbidimetry, 360 collecting scattered light around the incident beam;

PH/ORP/ conductivity: electrochemical method;

Temperature: NTC30K

5. Guangzhou Zheng Hong Water Quality Online Monitoring System.

Zheng Hong water quality on-line monitor adopts international advanced microfluidic liquid inlet control technology (patent protection). The liquid inlet of each reagent is only 1/2~ 1/3 of the conventional on-line analyzer, and each reagent is only 0.5mL~0.7mL, while the liquid inlet accuracy is as high as 2 μ l. Based on the unique on-line monitoring technology of water quality in Zheng Hong, the flow path system of the instrument is greatly simplified, and only four core devices are included: peristaltic pump, ten-channel multi-position valve, liquid inlet conduit and digestion ratio. The control software of Zheng Hong water quality online monitoring instrument directly provides the functions of "data validity audit" such as instrument calibration, quality control sample verification, zero/range drift, data classification query, data compliance supplement, etc., which is convenient for customer enterprises to test and count the corresponding data conveniently and quickly, and complete the on-site verification of the operation of online monitoring system of pollution sources.

On-line water quality monitoring system of intransitive verb Zhongxin

Citic DH334DS multi-parameter water quality online analyzer is a conventional five-parameter water quality online monitor. The conventional five parameters include PH, temperature, dissolved oxygen, conductivity and turbidity. The monitor adopts modular design, and the analyzer is connected with four sensors: PH, temperature, dissolved oxygen, conductivity and turbidity. The five parameters of water quality routine can directly and comprehensively reflect the degree of organic and inorganic pollution of water body and some related physical indexes of water body itself.

7. Longlide Water Quality Online Monitoring System

Longlide online multi-parameter water quality detection system 2020XT can measure: ph/ORP, temperature, dissolved oxygen, conductivity, turbidity and suspended solids, COD, BOD, salinity, NH4-N, NO3-N, NO2-N, TSS/SAC/TOC, PO4. IQ sensor network is a brand-new intelligent test system, which can automatically identify IQ sensors and has the function of modular expansion system.

Eight. On-line monitoring system of water quality in Foster, Hunan Province

Fierstfst100-SZXT-01Multi-parameter on-line water quality analyzer is designed integrally, which can measure various water quality parameters. It can explain water quality parameters such as pH value, residual chlorine, dissolved oxygen, conductivity, turbidity and temperature. Optional measurement parameters, high precision and good repeatability; Sensors can be combined at will, which is easy to install and easy to maintain. No need to add reagents, no reagent consumption; Automatically compensate the electrode within a certain range; Can choose a variety of output modes (RS485? MODBUS-RTU, 4G, Ethernet port); It can integrate the functions of circulating defoaming, automatic cleaning, data acquisition and data remote transmission, which reduces the difficulty and workload of system integration.

Nine. On-line monitoring system of water quality in Zheng Da, Shaanxi Province

ZDA-2000 series multi-parameter water quality monitor in Zheng Da, Shaanxi adopts an integrated structural design, each sensor has a waterproof connector, and the calibration data is stored in the sensor, which can be calibrated and replaced on site. Up to six digital sensors can be connected at the same time, including dissolved oxygen sensor, four-electrode conductivity sensor, turbidity sensor, pH sensor, ORP sensor and chlorophyll sensor. Equipped with an automatic cleaning device to eliminate bubbles and prevent microbial growth, it can meet the monitoring needs of various water environments such as rivers, lakes, oceans and groundwater. Excellent reliability, can run in unattended environment for months without maintenance.

10. Shijiazhuang Shengqi water quality online monitoring system

Shijiazhuang Shengqi water quality online monitoring system can obtain continuous online water quality monitoring data (routine five parameters, COD, ammonia nitrogen, heavy metals, biotoxicity, etc.) in time by establishing unattended automatic water quality monitoring station for real-time monitoring. ), using modern information technology to collect data and transmit relevant water quality data to environmental protection information center to realize remote monitoring of automatic monitoring stations by environmental protection information center, which is conducive to comprehensively, scientifically and truly reflecting the water quality status of each monitoring point. Detectable parameters include: PH, temperature, dissolved oxygen, conductivity, turbidity, ammonia nitrogen, COD, heavy metal content and so on.