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Marine pipeline monitoring and early warning method and system

A monitoring and early warning and detection system technology, applied in the pipeline system, processing detection response signals, using sound waves/ultrasonic waves/infrasonic waves to analyze solids, etc., can solve problems such as unclear standards, strong experience dependence, missed detection and wrong detection, etc. Achieve the effects of improving work efficiency, improving accuracy, reducing workload and burden

Active Publication Date: 2021-11-02
GUANGDONG OCEAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Traditional recognition of TOFD images mainly relies on manual recognition of TOFD images, which is highly dependent on the experience of technicians, prone to missed detection and wrong detection, and unclear standards, which are obstacles to the large-scale development of TOFD technology

Method used

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  • Marine pipeline monitoring and early warning method and system
  • Marine pipeline monitoring and early warning method and system

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Embodiment Construction

[0078] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0079] It should also be understood that the following examples are only used to further illustrate the present invention, and should not be construed as limiting the protection scope of the present invention. Some non-essential improvements and adjustments made by those skilled in the art according to the above contents of the present invention all belong to the present invention scope of protection. The specific process parameters and the like in the following example are only an example within the appropriate range, that is, those skilled in the art can make a selection within the appropriate range through the description ...

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Abstract

The invention discloses a marine pipeline monitoring and early warning method. The method comprises the steps of deploying a TOFD detection system, scanning a target marine pipeline by using the TOFD detection system, obtaining a D scanning image set of the marine pipeline, processing and segmenting D scanning images, extracting an area with a defect risk of the pipeline from the D scanning images, and performing early warning according to the area with the defect risk. According to the method, the potential marine pipeline defects are automatically identified, the workload and burden of manual identification are reduced, workers with less experience can perform marine pipeline detection, the defect identification accuracy is improved, and the working efficiency is greatly improved.

Description

technical field [0001] The invention relates to the technical fields of digital image processing and ultrasonic non-destructive testing, in particular to a monitoring and early warning method and system for marine pipelines. Background technique [0002] Ultrasonic time-of-flight diffraction (TOFD) is a widely used non-destructive pipeline inspection method. It has good reliability, high measurement accuracy, and simple inspection process. Only one person can complete the inspection. The inspection results include Abundant information facilitates comprehensive identification and analysis of defects. [0003] Due to long-term operation corrosion and wear, natural aging of equipment, geological disasters and man-made damage, leakage accidents caused by small defects in pipelines (such as corrosion perforation, welding cracks, etc.) occur from time to time. Leakage defects of marine pipelines cause waste of resources, pose a serious threat to the safe operation of the pipeline...

Claims

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Application Information

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IPC IPC(8): G01N29/06G01N29/44G06T7/00F17D5/00
Inventor 刘长华严谨
Owner GUANGDONG OCEAN UNIVERSITY
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