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A probe, system and method for monitoring corrosion damage of pressure pipeline

A technology for pressure pipelines and monitoring systems, used in weather resistance/light resistance/corrosion resistance, measuring devices, electromagnetic measuring devices, etc. High-performance, real-time and quick-response effects

Active Publication Date: 2021-11-09
SUN YAT SEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0009] The purpose of the present invention is to provide a pressure pipeline corrosion damage monitoring probe, system and method to solve the problem that the selectivity of existing monitoring probes is too limited

Method used

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  • A probe, system and method for monitoring corrosion damage of pressure pipeline
  • A probe, system and method for monitoring corrosion damage of pressure pipeline
  • A probe, system and method for monitoring corrosion damage of pressure pipeline

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Embodiment Construction

[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0045] The present invention provides a monitoring probe for corrosion damage of pressure pipelines. The first embodiment of the monitoring probe is as follows: figure 1 As shown, the corrosion sheet 10, the strain measurement sheet 20, the strain data transmission cable 30 and the sealing assembly 40 are included; On the opposite sides, the upstream surface 11 is exposed outside the seal assembly 40, the detection surface 12 is sealed in the seal assembly 40, the material of the corrosion sheet 10 is the same as that of the pressure pipeline to be measured; Inside the assembly 40, the strain measuring gauge 20 is electrically connected to the detection surface 12; one end of the strain data transmission cable 30 is placed outside the sealing assembly 40, one end of t...

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Abstract

The invention discloses a pressure pipeline corrosion damage monitoring probe, system and method, wherein the monitoring probe includes a corrosion sheet, a strain gauge, a strain data transmission cable and a sealing assembly; the corrosion sheet includes an upstream surface and a The detection surface, the upstream surface and the detection surface are respectively set on the opposite sides of the corrosion sheet. The upstream surface is exposed outside the sealing assembly, and the detection surface is sealed inside the sealing assembly. The material of the corrosion sheet is the same as that of the pressure pipeline to be measured The strain gauge is sealed in the sealing assembly, and the strain gauge is electrically connected to the detection surface; one end of the strain data transmission cable is placed outside the sealing assembly, and one end of the strain data transmission cable is sealed in the sealing assembly, and the strain data transmission cable It is electrically connected with the strain gauge; during the measurement, the monitoring probe is used in conjunction with the reference probe, and the corrosion damage state of the corrosion sheet is monitored by the strain difference between the monitoring probe and the reference probe, so as to realize the pressure Accurate monitoring of pipeline corrosion damage status.

Description

technical field [0001] The invention relates to the technical field of pressure pipeline monitoring, in particular to a monitoring probe, system and method for corrosion damage of pressure pipelines. Background technique [0002] Pressure pipelines are widely used in ships, petrochemicals, nuclear power and other fields. According to different application fields, the internal environmental media of pressure pipelines are various, such as pressure seawater pipelines in the field of ships, secondary circuit high-pressure steam pipelines in the field of nuclear power, and oil and gas pipelines in the field of petrochemicals. Regardless of the medium environment, the integrity of the pressure pipeline is the fundamental condition to ensure the safe operation of the system. From the perspective of operation, the corrosion damage caused by the medium inside the pressure pipeline is the main factor leading to the thinning and leakage of the pipeline. Real-time monitoring of the co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00G01B7/16G01B11/16G01B21/08
CPCG01B7/18G01B11/18G01B21/08G01N17/00
Inventor 雷冰胡胜楠孟国哲李伟华
Owner SUN YAT SEN UNIV
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