Pipeline corrosion detector and detection method thereof

A detection instrument and pipeline technology, applied in the direction of instruments, measuring devices, scientific instruments, etc., to achieve the effect of convenient operation, simple data processing process, and wide application range

Inactive Publication Date: 2014-11-05
CHINA UNIV OF PETROLEUM (BEIJING) +1
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Problems solved by technology

[0006] Terahertz spectroscopy non-destructive testing technology provides a new detection idea for metal pipeline failure detection with its high resolution, high sensitivity and non-destructive detection capabilities. At present, terahertz time-domain spectroscopy technology has not been applied Related Technologies of Pipeline Corrosion

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  • Pipeline corrosion detector and detection method thereof
  • Pipeline corrosion detector and detection method thereof
  • Pipeline corrosion detector and detection method thereof

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Embodiment Construction

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0033] figure 1 It is a schematic structural diagram of a pipeline corrosion detector according to an embodiment of the present invention. As shown in the figure, the pipeline corrosion detector of this embodiment includes a pipeline crawler 101 , multiple terahertz detection and receiving devices 102 , a terahertz detection system 103 , a data processing system 104 and a corrosion degree display panel 105 .

[0034] Wherein, the top of the pipe...

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Abstract

The invention provides a pipeline corrosion detector and a detection method thereof. The pipeline corrosion detector comprises a pipeline crawl device, multiple terahertz exploring and receiving devices, a terahertz detection system, a data processing system and a corrosion degree display panel; the pipeline crawl device conveys multiple probes carrying the multiple terahertz exploring and receiving devices into a to-be detected pipeline; the terahertz exploring and receiving devices receive laser emitted by the terahertz detection system, excite terahertz wave and transmit terahertz signals reflected by the internal surface of the to-be detected pipeline to the terahertz detection system; the terahertz detection system generates terahertz spectrum information according to the terahertz signals reflected by the internal surface of the to-be detected pipeline and transmits the terahertz spectrum information to the data processing system; and the data processing system processes the terahertz spectrum information, generates a corresponding relationship between the terahertz spectrum information and corrosion degree, and displays the corresponding relationship on the corrosion degree display panel.

Description

technical field [0001] The invention relates to the field of pipeline corrosion detection, in particular to a device and method for detecting pipeline corrosion, specifically a detector and a detection method for detecting pipeline corrosion degree based on terahertz time-domain spectroscopy technology. Background technique [0002] As the main artery of the oil industry, pipelines are extremely important for the transportation of oil and natural gas. However, during the service process, the pipeline will fail due to corrosion and other reasons, such as perforation and fracture, causing oil and gas leakage, and even catastrophic accidents such as combustion and explosion. It is the most dangerous cancer in the use of pipelines. There are many reasons for pipeline failure, which cannot be predicted and avoided. Therefore, it is particularly important for oil and gas transportation projects to regularly inspect pipelines, obtain the service status of pipelines, find failure po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3586G01N21/3563
Inventor 赵卉刘红兰邬嫡波赵昆孙青
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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