Pipeline potential monitoring device and method for synchronously monitoring potentials in different areas of pipeline

A potential monitoring and pipeline technology, which is applied in the field of corrosion monitoring and detection, can solve the problems of inconvenient installation and use, inability to collect pipeline potential data intensively, and difficulty in realizing potential measurement, etc., and achieve the effect of convenient installation and use

Active Publication Date: 2017-01-25
青岛钢研纳克检测防护技术有限公司
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  • Claims
  • Application Information

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Problems solved by technology

In seawater pipelines, conventional potential measurement methods: hand-held underwater potentiometer or portable reference electrode, it is difficult to measure potential
However, using point-like reference electrodes to monitor

Method used

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  • Pipeline potential monitoring device and method for synchronously monitoring potentials in different areas of pipeline
  • Pipeline potential monitoring device and method for synchronously monitoring potentials in different areas of pipeline
  • Pipeline potential monitoring device and method for synchronously monitoring potentials in different areas of pipeline

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Example Embodiment

[0043] The present invention will be further described below in conjunction with embodiments.

[0044] Such as figure 1 As shown, a pipeline potential monitoring device of the present invention includes a multi-channel potential collector 1, a linear reference electrode 4 and a mounting flange 3.

[0045] Wherein, the linear reference electrode 4 is installed inside the pipeline 23 to be tested through mounting flanges 3 provided at both ends; the linear reference electrode 4 is connected to the multi-channel potential collector 1 through a multi-core shielded cable 2; The reference ground terminal of the channel potential collector 1 is connected to the pipeline 23 to be measured through a reference ground cable 5.

[0046] The linear reference electrode 4 is a linear array structure and includes a plurality of evenly distributed reference electrode units. The number and spacing of the reference electrode units are designed according to the area of ​​the pipeline 23 to be tested tha...

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Abstract

The invention belongs to the field of corrosion monitoring and particularly relates to a device for monitoring the potentials in different areas in a seawater pipeline and synchronously monitoring the potentials in different areas of a pipeline. The device comprises a multi-channel potential collector (1), a linear reference electrode (4) and mounting flanges (3), wherein the linear reference electrode (4) is mounted in a to-be-monitored pipeline (23) through the mounting flanges (3) at the two ends; the linear reference electrode (4) is connected with the multi-channel potential collector (1) through a multi-core shield cable (2); the reference ground end of the multi-channel potential collector (1) is connected with the to-be-monitored pipeline (23) through a reference ground cable (5); and the linear reference electrode (4) is of a linear array structure and comprises multiple reference electrode units in uniform distribution. The device provided by the invention has the advantages of convenience in mounting, easiness in operation and convenience in use and can quickly measure and record the cathode protection potentials in different areas inside the pipeline.

Description

technical field [0001] The invention belongs to the field of corrosion monitoring and detection, and in particular relates to a potential monitoring device for different areas inside a seawater pipeline and a method for simultaneously monitoring the potentials of different areas of the pipeline. Background technique [0002] Both the corrosion monitoring of the inner wall of the seawater pipeline and the monitoring of the cathodic protection state of the inner wall need to monitor the cathodic protection potential of the inner wall of the pipeline. Inside the seawater pipeline, the conventional potential measurement method: hand-held underwater potentiometer or portable reference electrode, it is difficult to measure the potential. However, using point-shaped reference electrodes to monitor the potential of different areas of the pipeline requires installing multiple reference electrodes on the pipeline, which is very inconvenient to install and use, and it is impossible to ...

Claims

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Application Information

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IPC IPC(8): C23F13/22
CPCC23F13/22
Inventor 尹鹏飞张伟郑志建亓云飞陈亚林
Owner 青岛钢研纳克检测防护技术有限公司
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