Sulfur dioxide gas imaging remote-measuring method and device

A sulfur dioxide and gas imaging technology, which is used in measurement devices, color/spectral characteristic measurement, instruments, etc., can solve the problems of low cost of instruments, inability to achieve accurate positioning and dynamic measurement at the same time, and low measurement accuracy, and achieve low cost. Effect

Active Publication Date: 2015-11-11
青岛中科智富光电科技有限公司
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Problems solved by technology

[0003] The first purpose of the present invention is to develop a visual and dynamic remote measurement method for sulfur dioxide gas emissions, which can accurately locate the position of the sulfur dioxide plume emitted by fixed pollution sources and concentration distribution
[0004] The second purpose of the present invention is to solve the problem that the existing sulfur dioxide gas remote measurement device is easily interfered by water vapor in the air, resulting in low measurement accuracy. At the same time, the cost of the instrument is low, and it can be widely used

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Embodiment Construction

[0023] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0024] Such as figure 1 As shown, a sulfur dioxide imaging telemetry device includes a visible light camera 1 , a first ultraviolet camera 2 , a second ultraviolet camera 3 , an ultraviolet spectrometer 4 , a display 5 and a computer 6 . The visible light camera 1 , the first ultraviolet camera 2 and the second ultraviolet camera 3 have the same field of view and parallel optical axes, and image the same object.

[0025] In this embodiment, the visible light camera 1 , the first ultraviolet camera 2 and the second ultraviolet camera 3 constitute an ultraviolet-visible multispectral camera. It is preferred that the visible light camera 1 is a color camera or a panchromatic camera of the visible spectrum segment, the focal length is 50mm, and the diagonal field of view is 30°; the diagonal field of view of the fir...

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Abstract

The invention discloses a sulfur dioxide gas imaging remote-measuring method and device. The sulfur dioxide gas imaging remote-measuring device comprises an ultraviolet-visible multi-spectrum camera, an ultraviolet spectrograph, a displayer and a computer. The sulfur dioxide gas imaging remote-measuring method comprises the following steps: imaging a target area by using the ultraviolet-visible multispectral camera, performing the continuous spectrum acquisition on a view field central area by using the ultraviolet spectrograph, processing the collected images and spectrum data by using the computer, and displaying the processing result on a display screen in a real-time manner. According to the device, the ultraviolet-visible multi-spectrum imaging and the ultraviolet differential absorption spectrum detection are combined to realize the visible dynamic sulfur dioxide gas emission remote measurement, and the positions and concentration distribution of sulfur dioxide smoke plume discharged by stationary pollution sources can be accurately determined; in addition, through the adoption of the ultraviolet detection method, the interference from water-vapor is avoided, and the cost is relatively low.

Description

technical field [0001] The invention relates to the technical field of gas monitoring, in particular to a sulfur dioxide gas imaging remote measurement method and device. Background technique [0002] Sulfur dioxide is one of the main pollutants in the atmosphere. Fixed pollution sources such as thermal power plants fueled by coal and oil, industrial boilers, garbage incineration, fires for heating, diesel engines, metal smelters, and paper mills will emit a large amount of sulfur dioxide, causing environmental damage. Therefore, sulfur dioxide is listed as a key air pollutant for monitoring by the Ministry of Environmental Protection. Methods based on optical telemetry are very important monitoring methods for sulfur dioxide emissions from stationary pollution sources, such as Fourier transform methods, differential absorption lidar methods, and ultraviolet differential absorption spectroscopy methods. The above-mentioned methods are all non-imaging methods, which measure ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/84G01N21/33
Inventor 王新全
Owner 青岛中科智富光电科技有限公司
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