Gas transmission pipeline leakage detection system based on acoustic method

A gas pipeline and leak detection technology, applied in the field of gas pipeline leak detection system, can solve the problem of not being able to effectively seize the best time to deal with leakage accidents, poor gas pipeline leak detection and positioning effect, gas pipeline leak detection system, etc. problems, to achieve the effect of strong adaptability, fast response time, and simplified system structure

Active Publication Date: 2017-01-25
SHANDONG UNIV OF SCI & TECH
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Problems solved by technology

[0007] (3) The effect is better for liquid pipelines with properties close to incompressible fluids, and the leak detection and positioning effects for gas pipelines are relatively poor, or even basically unfeasible
[0008] Moreover, the existing gas pipelin

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  • Gas transmission pipeline leakage detection system based on acoustic method
  • Gas transmission pipeline leakage detection system based on acoustic method
  • Gas transmission pipeline leakage detection system based on acoustic method

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the present invention is not limited to these embodiments.

[0042] Such as Figure 1 to Figure 3 As shown, a gas pipeline leakage detection system based on the acoustic wave method includes a user terminal 8, a cloud server 7 and several detection sections arranged along the gas pipeline, each detection section is provided with two low-frequency acoustic wave sensors 2 , two temperature sensors 3 , two density sensors 4 , two pressure sensors 5 and two digital network transmitters 6 .

[0043] Two low-frequency acoustic wave sensors 2 in each detection section are respectively arranged at the two ends of the gas transmission pipeline in the detection section, and each low-frequency acoustic wave sensor 2 is used to collect the low-frequency acoustic wave signal in the gas transmission pipeline in the detection section, and The col...

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Abstract

The invention discloses a gas transmission pipeline leakage detection system based on an acoustic method. The gas transmission pipeline leakage detection system comprises a user terminal, a cloud server and a plurality of detection sections, wherein the detection sections are arranged along a gas transmission pipeline; two low-frequency acoustic wave sensors, two temperature sensors, two density sensors, two pressure sensors and two digital network transmission instruments are arranged in each detection section. The gas transmission pipeline leakage detection system is high in real-time performance, high in sensitivity, high in adaptability, short in response time and high in positioning accuracy, and is capable of achieving all-day, real-time and different-area detection, positioning leakage positions and determining diameter size and shape of leakage holes.

Description

technical field [0001] The invention relates to a gas transmission pipeline leakage detection system, in particular to a gas transmission pipeline leakage detection system and detection method based on an acoustic wave method. Background technique [0002] Pipeline transportation has many advantages such as low cost, large transportation volume, stable transportation, high degree of automation, and continuous transportation in harsh environments. It is especially suitable for long-distance transportation of flammable and explosive fluids such as oil and gas. [0003] In recent years, the demand for energy in countries around the world has greatly increased, the construction of gas pipelines has entered a stage of rapid development, and the level of automation has increased rapidly. Among them, the total mileage of gas pipeline construction in my country has exceeded 80,000 kilometers. Pipeline leakage accidents often occur due to changes in environmental conditions (such as l...

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Application Information

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IPC IPC(8): F17D5/00F17D5/06
CPCF17D5/005F17D5/06
Inventor 韩宝坤闫成稳鲍怀谦王昌田杨凯迪
Owner SHANDONG UNIV OF SCI & TECH
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