Infrared multi-constituent monitoring method and monitoring system for monitoring emission flux of gas in pollution source

A gas emission and pollution source technology, applied in the direction of measuring device, color/spectral characteristic measurement, material analysis through optical means, etc., to achieve the effect of convenient use, low cost and simple operation

Active Publication Date: 2010-04-14
ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an infrared multi-component monitoring method and system for emission flux of pollution source gas, which makes up for the shortcomings of convention

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  • Infrared multi-constituent monitoring method and monitoring system for monitoring emission flux of gas in pollution source
  • Infrared multi-constituent monitoring method and monitoring system for monitoring emission flux of gas in pollution source
  • Infrared multi-constituent monitoring method and monitoring system for monitoring emission flux of gas in pollution source

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Embodiment Construction

[0018] see figure 1 , 2 , a pollution source gas emission flux infrared multi-component monitoring method and system, characterized in that: the monitoring system includes a movable platform 1, the movable platform 1 is provided with a solar tracker 2, the solar tracker 2 An infrared spectrometer 3 is arranged in front of the light outlet, and the output end of the infrared spectrometer 3 is connected with a computer 4 .

[0019] The monitoring method includes the following steps:

[0020] (1) Place the system at a certain fixed location in the area to be measured, the sunlight passes through the gas to be measured 6, enters the light entrance of the solar tracker 2, and is reflected by multiple plane mirrors inside it, Reflected on the spectrometer 3 through the light outlet of the sun tracker 2;

[0021] (2), the spectrometer 3 measures and analyzes the sunlight absorbed and reflected by the gas to be measured 6, and then the data obtained is sent to the computer 4 for pr...

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Abstract

The invention discloses an infrared multi-constituent monitoring method and a monitoring system for monitoring emission flux of gas in pollution sources, which is characterized in that the monitoring system comprises a movable platform which is provided with a solar tracker, an infrared spectrometer, a computer and a GPS localizer; The monitoring method comprises the following steps: taking the sun as a light source, which penetrates the polluted gas and is absorbed selectively by the gas molecule; guilding the sunlight into the infrared spectrometer by the solar tracker and measuring the solar spectrum; analyzing and calculating the column concentration of the pollutant molecule by a software; moving the movable platform and measuring the column concentrates of different positions; measuring the distances of different points by the GPS localizer; furthermore, and obtaining the emission flux of the pollution gas in the whole measurement area by the calculation of the software by combining the wind speed information of all measuring points,. In the invention, the emission flux of the gas in the pollution source can be monitored quickly and exactly, the whole set of system is simple for operation, the cost is relatively cheap, the monitoring process is completely controlled automatically by the software, with convenient use.

Description

technical field [0001] The invention relates to the field of environmental monitoring and protection, in particular to the field of an infrared multi-component monitoring method and system for the emission flux of pollution source gas. Background technique [0002] Determining the air pollution emissions from various pollution sources (point and non-point sources) is an indispensable and important part of pollution control. For point sources, such as emissions from industrial chimneys, the conventional measurement system used is the Continuous Emission Measurement System (CEMS), with plug-in flue spectral measurement methods, or extraction-type sampling dilution optical measurements (UV fluorescence, chemiluminescence method), but CEMS systems are relatively bulky, bulky, and expensive; there are also electrochemical methods for measurement, but their lifespan is short and cannot achieve continuous measurement, and is generally used for regular testing purposes. For multi-p...

Claims

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Application Information

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IPC IPC(8): G01N21/35G01N21/3504
Inventor 刘志明高闽光刘文清王亚萍陈军金岭张天舒徐亮魏秀丽
Owner ANHUI INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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