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Calculation method for gas detector siting based on cost and benefit

A technology of gas detectors and calculation methods, which is applied in the directions of calculation, instrumentation, and data processing applications, and can solve the problems of waste of human and financial resources, singleness, and fixed site selection schemes, so as to reduce influence and limitations, improve detection efficiency, and improve real sexual effect

Active Publication Date: 2021-11-05
CHINA UNIV OF PETROLEUM (EAST CHINA)
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Problems solved by technology

[0005] Second, most of the existing detector site selection optimization methods only use a single indicator such as monitoring time, scene coverage and risk as the objective function of scheme optimization.
The site selection scheme obtained by the single-objective solution method is relatively fixed and single, and the site selection method is only affected by a single index. Make flexible decisions based on the actual security investment and needs of the enterprise
[0006] Generally speaking, with the increase of enterprise safety production investment, its ability to prevent accidents will also be greatly improved, but this does not mean that it is necessary to increase safety production investment without an upper limit. More detectors will increase the workload of regular maintenance and calibration, resulting in a waste of human and financial resources

Method used

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  • Calculation method for gas detector siting based on cost and benefit
  • Calculation method for gas detector siting based on cost and benefit
  • Calculation method for gas detector siting based on cost and benefit

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Embodiment Construction

[0058] It should be pointed out that the following detailed description is exemplary and intended to provide further explanation to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

[0059] It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0060] The present invention comprehensively considers the risk of dangerous gas leakage, the cost input of the ...

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Abstract

The present invention relates to a method for calculating the location of a gas detector based on cost and benefit, comprising the following steps: 1. Establish a three-dimensional CFD model, set a monitoring layer and divide the grid, and set the grid nodes as monitoring points; 2. Record " 3. Calculate the actual concentration value of dangerous gas at any monitoring point j; 4. Calculate the death probability of any monitoring point j; 5. Calculate when the risk factors act on each leakage scene i 6. Estimate the cost input value under any detector location scheme, and calculate the cost-benefit ratio; 7. Take the minimum accumulated personal risk value and the cost The minimum profit ratio is the optimization goal to establish a detector location calculation model; 8, solve the model, and optimize the best detector location scheme.

Description

technical field [0001] The invention relates to the technical field of gas leakage safety monitoring, in particular to a method for calculating the site selection of a gas detector based on cost and benefit. Background technique [0002] Dangerous gas leakage in petroleum and petrochemical enterprises mainly includes flammable gas leakage and toxic gas leakage. The leakage of flammable gas can easily cause fire and explosion accidents, and the leakage of toxic gas can easily lead to acute poisoning or even death. Among them, some toxic gases also have explosive characteristics, and fires, explosions, and poisonous gas leakage accidents can easily trigger a domino effect with more serious consequences. In the context of the industry in recent years, the amount of offshore oil and gas development and crude oil refining and processing by mid-upstream companies has increased significantly. During the production process, the risk of dangerous gas leakage accompanying offshore pla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q10/06G06Q50/06G06Q50/26
CPCG06Q10/0635G06Q50/06G06Q50/265
Inventor 章博慕超王志刚刘悦董立超周灿璨成琳琳
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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