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Intelligent water quality monitor combining ultraviolet method and fluorescence method and usage method thereof

A fluorescence method, combined technology, applied in the direction of fluorescence/phosphorescence, material excitation analysis, etc., can solve the problems that cannot be placed underwater for a long time for monitoring, cannot effectively monitor proteins and humic substances, etc., and achieve real-time monitoring of water quality changes. , no digestion reaction time, the effect of simplifying complexity

Active Publication Date: 2015-10-28
NANJING UNIV
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  • Application Information

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Problems solved by technology

[0008] Aiming at the problems that the water quality monitoring devices in the prior art need to be calibrated regularly and cannot be placed underwater for a long time for monitoring, and cannot effectively monitor the proteins and humic substances concerned in the water treatment process, the present invention provides an ultraviolet method Intelligent water quality monitor combined with fluorescence method and its application method

Method used

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  • Intelligent water quality monitor combining ultraviolet method and fluorescence method and usage method thereof
  • Intelligent water quality monitor combining ultraviolet method and fluorescence method and usage method thereof
  • Intelligent water quality monitor combining ultraviolet method and fluorescence method and usage method thereof

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Embodiment 1

[0058] A sewage plant, in order to solve the problem that the water quality monitoring device of the prior art needs to be calibrated regularly and cannot be monitored underwater for a long time, and cannot effectively monitor the proteins and humic substances concerned in the water treatment process, a problem is proposed. An intelligent water quality monitor that combines ultraviolet and fluorescence methods. Figure 1-4 , which includes a detection part, a power supply 14, an optical path part and a calibration part, wherein the optical path part includes a constant current source circuit, a deep ultraviolet LED1, a cuvette 9, an ultraviolet receiving tube 2, a fluorescence filter 18 and Fluorescence receiving tube 3;

[0059] The constant current source circuit is connected with the deep ultraviolet LED1 circuit, and the deep ultraviolet LED1 is irradiated on one face of the cuvette 9, and a face parallel to the face of the cuvette 9 is provided with an ultraviolet receivi...

Embodiment 2

[0089]In a sewage plant in Jiangsu, the existing water quality monitoring equipment has low accuracy, and the water surface needs to be calibrated regularly, and the overall data collection and processing speed of the equipment is low, and the detection of organic matter content in water quality is inaccurate. In order to improve the cost performance of sewage treatment, An intelligent water quality monitor combining ultraviolet method and fluorescence method is proposed. Its structure, composition and use method are the same as those in Example 1. Among them, a fluorescence filter with a band-pass wavelength range of 460±10nm is used for the monitoring of humic fluorescence. Sheet 18.

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Abstract

The invention discloses an intelligent water quality monitor combining an ultraviolet method and a fluorescence method and a usage method thereof, and belongs to the field of environment monitoring and water treatment. The intelligent water quality monitor comprises an optical path part, a detection part and a calibration part, and a constant current source circuit is connected with a deep-ultraviolet LED circuit; a linear stepping motor is provided with a drive rod, the drive rod is provided with a fixing frame, and two fluorescence filters are arranged in the fixing frame; the constant current source circuit, the linear stepping motor and an amplifying circuit are all connected with a micro processor, a processed signal is transmitted to a memorizer, a liquid crystal display and a ZIGBEE module by the micro processor, and the ZIGBEE module is connected with an upper computer PC; a pipeline, communicated with a cuvette, of a calibration pool is provided with a minitype electromagnetic valve II, the minitype electromagnetic valve II and a minitype electromagnetic valve III are both connected with the micro processor, and the lower side of the calibration pool is provided with the minitype electromagnetic valve III. According to the intelligent water quality monitor, on-line monitoring on protein and humic substances in water can be achieved.

Description

technical field [0001] The invention relates to the fields of environmental monitoring and water treatment, in particular to an intelligent water quality monitor combining an ultraviolet method and a fluorescence method and a method for using the same. Background technique [0002] Dissolved organic matter in natural water, especially substances such as humic substances and proteins, participates in photochemical reactions, pollutant migration and transformation, microbial activities and carbon cycling and other geobiochemical processes. In the process of drinking water and sewage treatment, dissolved organic matter is the main object to be removed. Especially in the process of drinking water treatment, humic substances and protein substances are important precursors of disinfection by-products in the chlorination disinfection process, which affect the transportation pipeline. growth of bacteria. The composition and properties of dissolved organic matter have an important i...

Claims

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Application Information

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IPC IPC(8): G01N21/64
Inventor 苏统奎李文涛张志俭田王昊葛中芹
Owner NANJING UNIV
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