A Thickness Measuring System of Anti-corrosion Coating on the Inner Wall of Small Diameter Pipeline

A technology of anti-corrosion coating and thickness measurement, applied in the direction of electric/magnetic thickness measurement, measuring device, electromagnetic measuring device, etc., can solve the problems of battery energy limitation, inability to detect long-distance pipelines, etc., achieve high data processing accuracy and reduce data The effect of communication distance and extended battery life

Active Publication Date: 2021-02-09
TECHN MONITORING CENT OF CHANGQING PETROLEUM EXPLORATION BUREAU
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AI Technical Summary

Problems solved by technology

Most of the existing detection technologies are suitable for the detection of coatings on the inner wall of large pipes, and there are very few detections of coatings on small pipes. Moreover, the small diameter detection robot is limited by the battery energy, and the stroke is less than 800m. detection

Method used

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  • A Thickness Measuring System of Anti-corrosion Coating on the Inner Wall of Small Diameter Pipeline
  • A Thickness Measuring System of Anti-corrosion Coating on the Inner Wall of Small Diameter Pipeline
  • A Thickness Measuring System of Anti-corrosion Coating on the Inner Wall of Small Diameter Pipeline

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Embodiment Construction

[0060] like figure 1 , figure 2 , Figure 8 and Figure 9 As shown, the present invention includes a first measurement vehicle 1, a second measurement vehicle 2, a first signal processing vehicle 3, a second signal processing vehicle 4, and a third measurement vehicle that are coaxially connected in the small-diameter pipeline 63 from front to back. The car 5, the power conversion car 6, the battery car 7 and the electromagnetic positioning car 8 are connected by a hose 9 between the adjacent two car bodies. A flange 64 is installed on the input port of the diameter pipe 63, and a high-pressure gas pipe 65 connected to the small diameter pipe 63 is installed at one end of the flange 64 away from the small diameter pipe 63. The first measuring vehicle 1, the second measuring vehicle 2 and the Each of the third measurement vehicles 5 includes a measurement vehicle body 20 with a hollow structure and a sensor base 15 arranged in the measurement vehicle body 20 for mounting th...

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Abstract

The invention discloses a system for measuring the thickness of an anti-corrosion coating on the inner wall of a small-diameter pipeline, which comprises a first measuring vehicle, a second measuring vehicle, a first signal processing vehicle, a second The signal processing car, the third measuring car, the power conversion car, the battery car and the electromagnetic positioning car are connected by hoses between two adjacent car bodies, and the end of the electromagnetic positioning car far away from the battery car is equipped with a mileage measuring mechanism with a small diameter. A flange is installed on the input port of the pipeline, and a high-pressure air pipe connected with the small-diameter pipeline is installed on the end of the flange away from the small-diameter pipeline. The invention is novel in design, the signal processing vehicle is placed between the three measuring vehicles, the signal transmission length and signal interference are reduced, the mileage measuring mechanism is used to record the traveling mileage of the vehicle body, and an external high-pressure air source is used to push the one-shaped vehicle body, Reduce the power consumption of the car body itself to install the driving device, and extend the endurance of the battery car.

Description

technical field [0001] The invention belongs to the technical field of coating thickness measurement of the inner wall of a small-diameter pipeline, and particularly relates to a thickness measurement system of the anti-corrosion coating of the inner wall of a small-diameter pipeline. Background technique [0002] Pipeline anti-corrosion technology is a protection technology to prevent pipelines from being corroded by transport media (oil, natural gas, etc.). Most of the oil and gas being transported are corrosive, and the inner wall of the pipeline will be corroded by long-term contact with these corrosive media. Once the pipe wall is corroded too thin, it will not be able to withstand pressure, or even corroded and perforated, resulting in oil and gas leakage, which not only interrupts the transportation, but also pollutes the environment, and even causes fire, causing damage to people and property. Because most of the current pipelines are made of steel, the anti-corrosi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B11/06G01B7/06
CPCG01B7/105G01B11/0616
Inventor 梁桂海林罡陈安德刘峰盛哲刘小齐杨虎杨永霞徐鹏张腾飞
Owner TECHN MONITORING CENT OF CHANGQING PETROLEUM EXPLORATION BUREAU
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