A method for planning the escape route of toxic gas leakage in a chemical industry park

Abstract

The invention proposes a method for planning an escape path for poison gas leakage in a chemical industry park. The invention first obtains the geographic coordinates of the leakage source point, and establishes a Cartesian coordinate system with the leakage source as the origin, and converts the chemical industry park into a node network diagram; the improved Gaussian diffusion model is used to calculate the concentration of harmful gases in a large range after gas leakage; A method of calculating the safe area after poison gas leakage is proposed through the gas diffusion range and national safety standards, and an improved calculation method of toxic load is proposed to quantify the damage to the human body, and the Dijkstra shortest path algorithm is used to calculate the toxic load. The quantity is used as the weight, and the optimal path for evacuating people to the safe area is planned. The invention timely plans suitable safe refuges for people in different areas, avoids the crowded situation of the refuges, and has a simple calculation method, improves the calculation speed, and finds an optimal path to the refuge according to the quantification of the poisonous gas on the human body.

Description

technical field [0001] The invention belongs to the field of chemical safety planning, relates to automation technology, and in particular relates to a safety path planning optimization method in a chemical park. Background technique [0002] As the mainstream of the development of the chemical industry, the chemical park is a new model for the development of my country's chemical industry in recent years. As a gathering place for chemical plants, while promoting local economic development, chemical parks also have potential safety hazards that cannot be ignored. The types of enterprises in the chemical park are complex, involving many types of chemicals and most of them are flammable, explosive, toxic and harmful. Moreover, there are many people in the chemical park and the population density is high. Once the factory explodes or poisonous gas leaks, it will cause very serious consequences. For chemical industrial parks, poisonous gas leakage is the most likely to occur a...

AI Technical Summary

Problems solved by technology

Once the poisonous gas leaks, it will not only cause direct harm to the human body, but also further cause catastrophic accidents such as explosion and combustion.

In addition, under the influence of meteorological conditions such as wind speed, the scope affected by poisonous gas leakage will continue to expand, which will pose a huge threat to the personal safety of residents in the chemical industry park

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