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Real-time prediction method for gas leakage influence range

A technology of real-time prediction and influence range, which is used in liquid/vacuum measurement for liquid tightness, fluid tightness test, measurement device, etc. The effect of judging and accurate emission source area

Active Publication Date: 2020-09-01
SHAANXI KINGTECH INFORMATION TECH DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, when a leakage accident occurs, the existing technology cannot quickly obtain a more accurate breach area at the first time.
Therefore, the existing technology cannot give a scientific judgment on the scope of the leakage in a short time when the accident occurs.

Method used

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  • Real-time prediction method for gas leakage influence range
  • Real-time prediction method for gas leakage influence range
  • Real-time prediction method for gas leakage influence range

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0061] A method for real-time prediction of the impact range of non-liquid leakage, including:

[0062] The first step is to obtain the non-liquid storage pressure, and calculate the pressure at the outlet of the non-liquid leakage according to the obtained non-liquid storage pressure, compare the obtained pressure at the non-liquid leakage outlet with the atmospheric pressure of the environment, and Judging the actual state of non-liquid leakage based on the comparison results;

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Abstract

The invention relates to a real-time prediction method for a gas leakage influence range, and the method comprises the following steps: obtaining the storage pressure of non-liquid, calculating the pressure at a non-liquid leakage outlet according to the storage pressure, and judging the actual state of non-liquid leakage; detecting the outlet rates of the non-liquid leakage outlet in different non-liquid leakage actual states, calculating the crevasse area of the leakage outlet according to the discharge rate and the storage density of leaked chemicals, and obtaining the diameter of a leakagehole; and calculating the diameter of an emission source according to the obtained diameter of the leakage hole in combination with the density of the leakage substance and the density of the leakagesubstance on the leakage hole, and determining the area of the emission source. The area of the determined emission source is more accurate, human interference is avoided, and real-time judgment of the diffusion influence range is achieved while it is guaranteed that the method has practical guiding significance for emergency command.

Description

technical field [0001] The invention relates to the technical field of gas leakage, in particular to a method for real-time prediction of the impact range of non-liquid leakage. Background technique [0002] Domestic chemical enterprises mainly focus on coal chemical industry and petrochemical industry. Coal chemical industry includes coking, calcium carbide acetylene chemical industry, coal gasification and coal liquefaction. In 2009, domestic chemical companies invested more and more, and the scale of enterprises gradually developed into an integrated upstream and downstream, such as the integration of coal-methanol-olefins, etc., and the scale became larger and larger. [0003] Chemical plants and enterprises have complex production processes, criss-crossing pipelines, and many dangerous sources such as tank farms and hazardous chemical warehouses. Once a gas leakage accident occurs, it has the characteristics of rapid diffusion, easy to cause secondary accidents, and wid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/28G01M3/32G06F113/08G06F119/14
CPCG06F30/28G01M3/3272G06F2113/08G06F2119/14
Inventor 张文泉于伟毅张勇申梅梅周翔杨康张磊
Owner SHAANXI KINGTECH INFORMATION TECH DEV
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