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Method and system of risk assessment of adjacent underground space at gas pipeline leakage location

A technology for underground space and risk assessment, applied in data processing applications, instruments, resources, etc., can solve problems such as explosion risk assessment in underground spaces adjacent to gas pipelines

Active Publication Date: 2018-11-06
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0005] The present invention provides a risk assessment method and system for the adjacent underground space where the gas pipeline leaks to overcome the above problems or at least partly solve the above problems. Assessment of explosion risk in underground spaces adjacent to gas pipelines

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  • Method and system of risk assessment of adjacent underground space at gas pipeline leakage location
  • Method and system of risk assessment of adjacent underground space at gas pipeline leakage location

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Embodiment Construction

[0033] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0034] Such as figure 1 As shown in the figure, a risk assessment method for the adjacent underground space where the gas pipeline leaks is shown, including:

[0035] Based on the gas pipeline leakage information, the accumulation probability of combustible gas in the adjacent underground space where the gas pipeline leaks is obtained; and based on the environmental information of the adjacent underground space where the gas pipeline leaks, the ignition probability of the combustible gas accumulation point and the degree of damage after the explosion accident are obtained ;

[0036] The explosion probability of the combustible gas accumulation point is obtained based on ...

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Abstract

The invention provides a method and system of risk assessment of adjacent underground space at a gas pipeline leakage location. The method includes the steps: based on gas pipeline leakage information, obtaining the flammable gas accumulation probability of the adjacent underground space at the gas pipeline leakage location; based on the environmental information of the adjacent underground spaceat the gas pipeline leakage location, acquiring the ignition probability of the flammable gas accumulation point and the degree of damage after occurrence of an explosion accident; obtaining the explosion probability of the flammable gas accumulation point based on the flammable gas accumulation probability and the ignition probability, and obtaining a risk coefficient of the adjacent undergroundspace at the gas pipeline leakage location according to the explosion probability and the degree of damage; and based on the risk coefficient, performing risk level classification on the adjacent underground space at the gas pipeline leakage location, and performing comprehensive risk assessment on the adjacent underground space at the gas pipeline leakage location, so as to prevent leakage of a large amount of flammable gas to the adjacent underground space to cause a large-scale serial explosion after encountering the ignition source.

Description

technical field [0001] The invention relates to the technical field of quantitative assessment of urban gas pipeline risk levels, and more particularly, to a risk assessment method and system for adjacent underground spaces where gas pipeline leakage occurs. Background technique [0002] With the acceleration of urban expansion and the aging of the gas pipeline network, vicious accidents such as leakage of urban gas pipelines, fires, explosions, and poisoning have occurred from time to time, and have become the third largest killer after traffic accidents and work-related accidents. If it is possible to calculate the comprehensive grade of the pipeline according to the use of the urban gas pipeline and various factors, divide the grade, and then adopt hierarchical management, and take targeted technical measures and management measures respectively, to pre-control and reduce possible accidents Disasters, realize efficient risk management of gas pipelines, and provide technic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06G06Q50/26
CPCG06Q10/0635G06Q50/06G06Q50/265
Inventor 袁梦琦钱新明侯龙飞黄捷端木维可
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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