China's first "973" project mid-term summary meeting held in the area of ​​hazardous chemicals safety in China
China Drying Network News The mid-term summary of the research project on key scientific issues for telemetering and early warning of hazardous chemical accidents was held in Beijing. This project is the first and currently the only "973" project in the field of hazardous chemicals safety in China. The project has developed a new technology that can directly detect accidental substances within 7000 meters, and will solve key scientific issues in this field to avoid delays and failures in the perception of hazardous chemical accidents, so as to prevent future accidents and meet China's major needs. Major needs such as engineering construction, pillar industry development and national defense security.
Cheng Xiaoping, chief scientist of the project and professor at Beijing University of Chemical Technology, said that the project will be driven by research driven by achieving overall goals and solving key scientific issues. The overall goal is to establish an integrated platform for information awareness and emergency response throughout the entire accident process with the telemetry of hazardous chemical substances as the core, and eliminate the culprit of dangerous chemical accidents—the delay and failure of information perception. The law of migration and transformation of accidental substances in the whole process of dangerous chemical accidents and their telemetering theories and methods at different spatial scales are the key scientific issues to be solved. The project will establish a theory of accident causes by studying the numerical models and monitoring models of accident materials in the process of disasters, catastrophes, and disaster reductions. At the same time, the correspondence between microwave spectra and molecular structures will be established to achieve full direct detection of accidental substances. .
According to reports, the project has developed terahertz detection technology for hazardous chemicals, infrared telemetry technology for 360-degree rotation, and conducted research on the atmospheric migration and diffusion process of hazardous chemicals and emergency evacuation for large-scale populations. The design is more feasible. The program. The researchers stated that the use of this technology can directly detect accidental substances in the range of 7000 meters. At present, mass spectrometry technology is commonly used for the detection of chemical substances in the world. However, the sampling method and anti-interference ability of the technology in a complex environment are difficult to meet the scene monitoring of hazardous chemicals accidents.
In the future, the project will focus on environmental compatibility issues and intelligent identification issues for hazardous chemicals terahertz detection and infrared telemetry, and embed the atmospheric migration and diffusion process and large-scale crowd emergency evacuation plans into the equipment in order to establish dangerous chemical accidents. Large-scale system for telemetering and early warning of the whole process. At that time, the detection device will be installed in key areas (such as oil and gas projects, chemical plants, airport security, and important public places), supplemented with helicopters, patrol cars, robots, etc. of the load detection device, to realize seamless telemetry within the monitored three-dimensional space. To prevent chemical process accidents and poison gas terror attacks.
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