Method and system for detecting pipeline leakage

A technology for detecting pipeline and pipeline leakage, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve the problems of pipeline micro-leak detection and insufficient positioning, and achieve the effect of avoiding fire and ensuring normal operation.

Pending Publication Date: 2021-01-12
黄腾飞 +1
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  • Description
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[0003] However, the above-mentioned systems are still ins

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  • Method and system for detecting pipeline leakage
  • Method and system for detecting pipeline leakage
  • Method and system for detecting pipeline leakage

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[0023] The following description provides specific application scenarios and requirements of this specification, with the purpose of enabling those skilled in the art to manufacture and use the contents of this specification. Various local modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other embodiments and embodiments without departing from the spirit and scope of the description. application. Accordingly, the description is not limited to the embodiments shown, but is to be accorded the widest scope consistent with the claims.

[0024] In this specification, various embodiments will be introduced by taking the pipeline in the apron pipeline network as an example. Those skilled in the art should understand that the method and system disclosed in this specification can also be applied to detect leakage of other pipelines for transporting fluids.

[0025] figure 1It ...

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Abstract

The invention discloses a method and system for detecting pipeline leakage. The method comprises the steps that multiple related parameters of a detected pipeline at a first moment are acquired; the multiple related parameters are input into a neural network model to obtain the predicted in-pipe fluid temperature, the predicted in-pipe fluid pressure and the predicted out-of-pipe environment temperature of the detected pipeline at a second moment after the first moment; the actual in-pipe fluid temperature, the actual in-pipe fluid pressure and the actual out-of-pipe environment temperature ofthe detected pipeline at the second moment are acquired; a prediction error is determined based on the difference value between the predicted in-pipe fluid temperature and the actual predicted in-pipe temperature, the difference value between the predicted in-pipe fluid pressure and the actual in-pipe fluid pressure and the difference value between the predicted out-of-pipe environment temperature and the actual out-of-pipe environment temperature; and the prediction error is compared with an error threshold value, and the final pipeline leakage rate is compared with a pipeline leakage rate threshold value. According to the method and system for detecting pipeline leakage, leakage detection and/or positioning can be conducted on an apron pipeline.

Description

technical field [0001] The present application relates to the field of pipeline leakage detection, in particular to a method and system for detecting pipeline leakage. Background technique [0002] For airports, there are many ways to export aviation fuel. Because the pipeline transportation method has the advantages of low cost, energy saving, high safety and stable supply, large and medium-sized airports generally use apron pipelines to transport aviation fuel. However, due to long-term operation corrosion and wear, natural aging of equipment, geological disasters, and man-made damage, pipeline leakage accidents on the apron occur from time to time, which affects the normal operation order of the airport and threatens the safety of the airport. At present, there are mainly two ways to detect the leakage of the apron pipeline, one is based on the detection of the fluid pressure and temperature in the pipeline, and the other is based on the detection of the sensor cable out...

Claims

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Application Information

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IPC IPC(8): F17D5/02F17D5/06
CPCF17D5/02F17D5/06
Inventor 黄腾飞罗宇
Owner 黄腾飞
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