Method for detecting single atmospheric high-risk chemical leakage source based on terahertz

A chemical and terahertz technology, applied in the field of environmental safety, can solve problems such as the difficulty of quickly formulating a suppression plan for leakage sources of atmospheric high-risk chemicals and crowd evacuation plans

Active Publication Date: 2018-06-15
TSINGHUA UNIV
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Problems solved by technology

[0004] Based on this, it is necessary to solve the problem that in the traditional technology, it is impossible to comprehensively measure and visually display the distribution of the leakage information of atmospheric high-risk chemicals in the leakage ar

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  • Method for detecting single atmospheric high-risk chemical leakage source based on terahertz
  • Method for detecting single atmospheric high-risk chemical leakage source based on terahertz
  • Method for detecting single atmospheric high-risk chemical leakage source based on terahertz

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Embodiment Construction

[0042] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0043] see figure 1 In one embodiment, a terahertz self-feedback system 1000 for detecting atmospheric high-risk chemicals is provided, and the device includes:

[0044] A detection device 100, the detection device 100 is used to detect information of high-risk chemicals in the atmosphere.

[0045] Specifically, the detection device 100 is a device for sampling high-risk chemicals in the atmosphere and obtaining terahertz characteristics of high-risk chemicals in the atmosphere. The information on high-risk chemicals in the atmosphere specifically includes information on the concentration of high-...

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Abstract

The invention relates to a method for detecting a single atmospheric high-risk chemical leakage source based on terahertz. The method comprises collecting and disposing atmospheric high-risk chemicalconcentration information and corresponding spatial coordinates, carrying out numerical fitting on the concentrations to space coordinates in a computation system to obtain a spatial distribution function of concentrations, transmitting the spatial distribution function into an imaging system and showing a spatial distribution map of concentrations in the imaging system through different colors and different curve surfaces. The method realizes 3D display of toxic gas components, toxic gas concentrations and toxic gas flowing directions in the complex atmospheric high-risk chemical environmentin which rapid judgments are required, realizes continuous processing on the concentration data obtained by discrete measurement, produces a distribution map closer to the real situation of the site and fast and effectively establishes the people evacuation measures and poison source suppression method at the gas leakage site.

Description

technical field [0001] The invention belongs to the field of environmental safety, and relates to a method for detecting the spatial distribution of atmospheric high-risk chemicals, in particular to a terahertz-based detection method for a single leakage source of atmospheric high-risk chemicals. Background technique [0002] Generally speaking, at the scene of an explosion or a terrorist attack, there are often one or several toxic atmospheric high-risk chemicals with unclear components. However, due to the complexity of the on-site environment, it is often difficult for people to determine the composition of the poisonous gas, the source of the poisonous gas, and the transmission path of the poisonous gas. It caused significant losses and brought many difficulties to the tracing and suppression of the poisonous gas source. [0003] The traditional detection system for atmospheric high-risk chemicals is limited to the calibration and measurement of the types and concentrat...

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Application Information

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IPC IPC(8): G01N21/3504G01N21/3586
CPCG01N21/3504G01N21/3586G01N2021/3595
Inventor 郑小平李浩华
Owner TSINGHUA UNIV
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