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Pulse eddy current testing equipment for marine pipeline

A technology of pulsed eddy current and detection equipment, which is applied in the direction of measuring devices, instruments, and material analysis through electromagnetic means, which can solve the problems of low detection efficiency and inconvenient detection of ocean pipelines, and achieve high detection efficiency, low risk and low cost Effect

Pending Publication Date: 2017-02-01
TIANJIN YINKE XINCHUANG TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of this, the present invention aims to propose a pulsed eddy current detection equipment for marine pipelines to solve the problems of inconvenient detection and low detection efficiency of existing equipment for marine pipelines

Method used

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  • Pulse eddy current testing equipment for marine pipeline
  • Pulse eddy current testing equipment for marine pipeline
  • Pulse eddy current testing equipment for marine pipeline

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Embodiment Construction

[0026] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0027] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", " The orientations or positional relationships indicated by "vertical", "horizontal", "top", "bottom", "inner" and "outer" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and Simplified descriptions, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and thus should not be construed as limiting the invention. In addition, the terms "first", "second", etc. are used for descriptive purposes only, and should not be understood ...

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Abstract

The invention provides pulse eddy current testing equipment for a marine pipeline. During detection, people hold a straight rod by hand to drive a detecting probe to move vertically so as to detect the pipeline in the vertical direction or to drive the detecting probe to make a circle so as to achieve annular rotary detection. Through an annular limiting through hole, the pulse eddy current testing equipment can carry out annular detection on the pipeline conveniently, guarantee that the detecting probe and the outer wall of the pipeline are tangential, and improve the accuracy of detection.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic nondestructive testing, and in particular relates to pulsed eddy current testing equipment for marine pipelines. Background technique [0002] In recent years, with the continuous development of offshore oil, the number of submarine pipelines responsible for offshore oil and gas transportation has continued to increase. The marine environment can be divided into five areas: the ocean atmosphere area, the spray splash area, the sea water tidal range area, the sea water full immersion area and the seabed mud area. Area. Among them, the corrosion in the spray splash zone is the most serious. In the spray splash area, the metal surface is periodically wetted by seawater, and is in an alternating dry and wet state. The oxygen supply is sufficient, the salt is continuously concentrated, and the synergistic effects of sunlight, wind and seawater environment lead to the most serious corrosion. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/90
CPCG01N27/902
Inventor 陶建涛张洁
Owner TIANJIN YINKE XINCHUANG TECH CO LTD
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