A crimping measuring electrode device in an electric field matrix thickness measuring system

A measuring electrode, crimping technology, used in electromagnetic measuring devices, electrical/magnetic thickness measurement, etc., can solve the problems of no installation conditions, installation is not allowed, the integrity of the tested pipeline is damaged, etc., to save resources, install Convenience, the effect of increasing convenience

Active Publication Date: 2018-02-13
CHINA PETROLEUM & CHEM CORP +2
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

First, most of them are petroleum and petrochemical enterprises, and there are explosion-proof requirements on site, so welding construction is not allowed easily
The second is that more or less welding will cause certain damage to the integrity of the pipeline under test. In some high-temperature, high-pressure, and explosive places, there is a great risk of any uncertainty.
Therefore, there are many places that do not have the installation conditions or are not allowed to install

Method used

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  • A crimping measuring electrode device in an electric field matrix thickness measuring system
  • A crimping measuring electrode device in an electric field matrix thickness measuring system
  • A crimping measuring electrode device in an electric field matrix thickness measuring system

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Embodiment Construction

[0022] The present invention is further described in detail according to the accompanying drawings.

[0023] A crimping measuring electrode device in an electric field matrix thickness measuring system, comprising a plurality of insulating isolation terminals 7 and a mounting bracket, the plurality of insulating isolation terminals 7 have the same structure, and each insulating isolation terminal 7 is covered by a sliding sleeve 1 , a measurement terminal pen, a compression spring 4, and a spring compression cap 5. The measurement terminal pen includes a metal measurement electrode 3 and a sliding shaft 2. The sliding shaft 2 is provided with a through hole in the axial direction, and the metal measurement electrode 3 is assembled on the In the through hole of the sliding shaft 2, the outer surface of the metal measuring electrode 3 and the inner wall of the through hole of the sliding shaft 2 are fixedly connected into one body through an insulating layer to form a measuring t...

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Abstract

A crimping-type measuring electrode device in an electric field matrix thickness measuring system. The measuring electrode and the measured pipeline are connected in a non-welding manner, and several measuring electrodes are fixedly connected to the surface of the measured pipeline by crimping, that is, to ensure The signal is reliable and smooth without damaging the integrity of the pipeline. Moreover, it is easy to install, does not require hot installation, and is not restricted by the environment, which increases the convenience of on-site application in petroleum and petrochemical enterprises. At the same time, the installation position can be adjusted, which is convenient and flexible. On a pipe with a fixed diameter, the measurement area can be adjusted at any time, which can be reused and saves resources.

Description

technical field [0001] The invention relates to the field of metal corrosion monitoring, and calculates the corrosion thinning rate of metal pipes by measuring the resistance between matrix electrodes, in particular to a crimping type measuring electrode device in an electric field matrix thickness measuring system. Background technique [0002] There are many methods for online real-time monitoring of the internal corrosion thinning rate of metal pipes, such as: using a corrosion probe to insert into the pipe, and measuring the corrosion rate of the probe sensitive element in the corrosive medium in the pipe to replace the internal corrosion of the pipe The corrosion rate of the medium to the pipeline. Or use the ultrasonic thickness measurement method to directly measure the remaining wall thickness of the pipe on the outer wall of the metal pipe. [0003] Among them, there is also an electric field matrix method for measuring the remaining wall thickness of the pipeline,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/06
Inventor 李欣波方德全秦远中
Owner CHINA PETROLEUM & CHEM CORP
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