Jacket corrosion detection equipment and method free of magnetic field interference

A corrosion detection and jacket technology, which is applied in the direction of measuring devices, optical testing of flaws/defects, and material analysis through electromagnetic means, can solve the problems of difficult jacket corrosion detection and low inspection efficiency, and achieve avoidance of electromagnetic interference, The effect of ensuring accuracy

Active Publication Date: 2018-08-07
OCEAN UNIV OF CHINA
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  • Abstract
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  • Claims
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Problems solved by technology

However, most of the traditional underwater detection technologies are point-to-point detection methods, which can only detect the conditions within the coverage of the sensor. The inspection efficiency is low, and it is difficult to conduct a comprehensive corrosion detection on the jacket

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  • Jacket corrosion detection equipment and method free of magnetic field interference
  • Jacket corrosion detection equipment and method free of magnetic field interference
  • Jacket corrosion detection equipment and method free of magnetic field interference

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Embodiment Construction

[0039] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0040] Such as Figure 1 to Figure 8 As shown, a jacket corrosion detection equipment without magnetic field interference includes a control and data real-time interaction system 21 , a release recovery system 22 , an umbilical cable 23 and a jacket corrosion detection crawling robot 24 .

[0041] The control and data real-time interaction system 21 includes a shore station display and operation unit and a shore-based power supply unit, which are responsible for real-time control of the jacket corrosion detection crawling robot 24, analysis and storage of the measurement data detected by the corrosion detection unit, and for all The crawler robot for jacket corrosion detection described above provides power.

[0042] Specifically, as figure 2 As shown, the display and o...

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Abstract

The invention discloses a jacket corrosion detection equipment and method free of magnetic field interference. The jacket corrosion detection equipment comprises a control and data real-time interaction system, a release and recycling system, a umbilical cable and a jacket corrosion detection crawling robot, wherein the jacket corrosion detection crawling robot is used for detecting the corrosionconditions of a jacket sea wave splash zone and a jacket underwater zone, the control and data real-time interaction system is used for controlling the robot in real time, analyzing and storing measuring data detected by a corrosion detection unit and providing power for the jacket corrosion detection crawling robot, and the release and recycling system is used for releasing and recycling the robot. The method uses the jacket corrosion detection equipment to achieve the full-range detection of an offshore platform jacket. By the jacket corrosion detection equipment and method, offshore platform jacket corrosion electric field detection free of electromagnetic interference and motion interference can be achieved, and detection result accuracy is guaranteed.

Description

technical field [0001] The invention belongs to the technical field of offshore platform detection, in particular to jacket corrosion detection equipment and a corrosion detection method without magnetic field interference. Background technique [0002] With the advent of the era of marine economy, there are more and more various offshore facilities, such as offshore platform jackets, sea-crossing bridges, seawall dams, ships and deep-sea submersibles, etc. Most of the marine structures adopt coating and cathodic protection joint protection. The metal structure of the offshore platform is affected by factors such as sunshine, sea wind, wave impact, complex seawater system, diurnal and seasonal temperature changes, and marine biological erosion, which makes the corrosion rate of the offshore platform faster, and the corrosion resistance of metal materials varies with exposure conditions. different changes. The splash area is affected by factors such as wind, waves, sunlight...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/60G01N21/95
CPCG01N21/95G01N27/60Y02A90/30
Inventor 宋大雷高荣杰杜敏乜云利时文昌曲天宇张逸恒路宁
Owner OCEAN UNIV OF CHINA
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