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A full-spectrum water quality online monitoring device and monitoring method thereof

A monitoring equipment and full-spectrum technology, used in color/spectral characteristic measurement, measurement device, material analysis by optical means, etc., can solve the problems of bulky instrument, long measurement time, secondary environmental pollution, etc. High, good cleaning effect, the effect of many monitoring factors

Active Publication Date: 2020-03-06
深圳市七善科技有限公司
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Problems solved by technology

The chemical measurement method has a wide range of applications and accurate measurement, but has the following disadvantages: 1) The measurement time is long, the operation process is cumbersome, the reliability is poor, the failure rate is high, and it is not suitable for real-time online detection; 2) The chemical reagents used will cause secondary pollution to the environment , the cost of reagents is high, and recycling is troublesome; 3) The instrument is bulky and consumes high power, which cannot be applied to on-site real-time monitoring
[0008] The key to full-spectrum measurement is to improve the quality of spectral measurement and solve the problem of window pollution. Nowadays, compressed air or ultrasonic cleaning methods are widely used, and the cleaning effect is limited, and air compressors, gas cylinders or ultrasonic sources need to be prepared, which is not convenient for on-site application of the instrument. and integration

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  • A full-spectrum water quality online monitoring device and monitoring method thereof
  • A full-spectrum water quality online monitoring device and monitoring method thereof
  • A full-spectrum water quality online monitoring device and monitoring method thereof

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Embodiment Construction

[0046] Please refer to the attached figure 1 to attach Figure 9 As shown, the present invention is an online water quality monitoring device based on a full spectrum, which is composed of a pulsed xenon lamp 1 , a cleaning module 2 , a spectrum measurement module 3 , and a control unit 4 .

[0047] Wherein, the pulsed xenon lamp 1 is used as a light source for generating ultraviolet-visible light required for measurement; the cleaning module 2 has the functions of collimation, focusing, cleaning and optical path switching, one end is connected with the pulsed xenon lamp 1, and the other end is connected with the spectrum measurement module 3 connected; the spectrum measurement module 3 is used to disperse the received light according to the wavelength and convert it into an electrical signal. The control unit 4 controls the pulsed xenon lamp 1 to emit pulsed light, controls the cleaning module 2 to clean the measurement surface as required, controls the cleaning module 2 to ...

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Abstract

The invention relates to an online water quality monitoring device and method based on full spectra. The device comprises a pulse xenon lamp, a cleaning module, a spectrum measuring module and a control unit. One end of the cleaning module is connected with the pulse xenon lamp, the other end of the cleaning module is connected with the spectrum measuring module, the control unit controls the pulse xenon lamp to emit pulse light, controls the cleaning module to clean a measuring surface as needed and carry out light path switching, and controls the spectrum measuring module to read the light signal intensity of each waveband. According to the online water quality monitoring device and method based on full spectra, ultraviolet visible full waveband absorbing spectra are adopted for measuring the water pollution condition, factors such as COD, BOD, TOC, nitrate, nitrite, the turbidity and chromaticity can be measured, and the online water quality monitoring device and method based on full spectra have the advantages of being high in measuring precision, short in measuring time, large in number of monitoring factors, free of a reagent and secondary pollution and the like; the changing condition of water pollution is reflected in real time, and corresponding chemical models can be established according to ingredients of field water samples to meet the demands for measuring different water bodies.

Description

【Technical field】 [0001] The invention relates to a water quality monitoring device and a monitoring method thereof, in particular to a full-spectrum water quality online monitoring device and a monitoring method thereof, belonging to the technical field of environmental monitoring. 【Background technique】 [0002] As of 2015, 967 surface water national control sections across the country have carried out online monitoring, of which only 2.8% are Class I water, 65.8% are Class III water and below, and among the 5118 groundwater quality monitoring, poor and extremely poor In the face of severe water pollution, the Party Central Committee and the State Council have made a series of major decisions and deployments, promulgated and implemented the "Water Pollution Prevention and Control Action Plan", launched the "13th Five-Year Plan for Water Pollution Prevention and Control in Key River Basins", issued "Ecological Environment Monitoring Network Construction Plan", "Guidelines f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/31
CPCG01N21/31G01N2021/3137G01N2021/3148G01N2021/3155G01N2201/0833
Inventor 舒易强马光明杨云开元德仿何胜辉刘丽华
Owner 深圳市七善科技有限公司
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