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Gas leakage detection device for natural gas pipeline transportation

A technology of natural gas pipelines and detection devices, which is applied in the direction of measuring devices, pipeline systems, pipe components, etc., can solve problems such as gas leakage, achieve the effects of avoiding gas leakage, improving efficiency and accuracy, and improving detection efficiency

Inactive Publication Date: 2021-08-10
银川瑞海陈技术咨询服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problem existing in the prior art that it is difficult for the user to accurately and timely judge whether the air leakage occurs at the connection of the pipe mouth of the gas transmission pipeline or the air leakage occurs on the surface of the gas transmission pipeline, and Unable to block in time, it is likely to cause a large amount of gas leakage, and a gas pipeline transmission gas leakage detection device proposed

Method used

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  • Gas leakage detection device for natural gas pipeline transportation
  • Gas leakage detection device for natural gas pipeline transportation
  • Gas leakage detection device for natural gas pipeline transportation

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Experimental program
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Effect test

Embodiment 1

[0025] refer to Figure 1-5 , a gas leakage detection device for natural gas pipelines, comprising a first gas pipeline 1 and two second gas pipelines 2, the two second gas pipelines 2 communicate with the two ends of the first gas pipeline 1, the first Flange pieces 3 are fixedly connected between the two ends of the gas pipeline 1 and the opposite ends of the two second gas pipelines 2, and the two second gas pipelines 2 are fixedly connected to the first through the flange pieces 3. Both ends of the gas transmission pipeline 1 can communicate with each other between the second gas transmission pipeline 2 and the first gas transmission pipeline 1 through the flange piece 3 .

[0026] A plurality of pressure sensors 4 are fixedly connected to the inner walls of the first gas transmission pipeline 1 and the two second gas transmission pipelines 2, and the plurality of pressure sensors 4 are arranged at equal intervals between the first gas transmission pipeline 1 and the two s...

Embodiment 2

[0031] refer to figure 1 , figure 2 and Figure 4, as another preferred embodiment of the present invention, the difference from Embodiment 1 is that the first air leakage detection mechanism 5 includes a first collection cover 501, and the first collection cover 501 is fixedly connected to the first gas pipeline 1 through a fixing mechanism. The opposite end of the second gas transmission pipeline 2, and the first collection cover 501 is sleeved on the outside of the flange plate 3, and the first natural gas detector 504 is fixedly connected to the inner wall of the first collection cover 501. The first collection cover The outer wall of 501 is fixedly connected with a first alarm device 505, and the fixing mechanism includes four fixing clips 502, and the four fixing clips 502 are respectively fixedly connected to both sides of the two first collection covers 501, and the four fixing clips The clips 502 are respectively fixedly connected to the outer walls of the first ga...

Embodiment 3

[0033] refer to figure 1 , figure 2 and image 3 , as another preferred embodiment of the present invention, the difference from Embodiment 1 is that the second air leakage detection mechanism 6 includes a second collection cover 601, and the second collection cover 601 is slidably sleeved on the first gas pipeline 1 On the outer wall of the second collection cover 601, the two sides of the second collection cover 601 are respectively fixedly connected with connecting sleeves 602, and the two connecting sleeves 602 are respectively slidably sleeved on the outer wall of the first gas pipeline 1, and the connecting sleeves 602 A second sealing layer 603 is fixedly connected to the inner side wall of the first gas pipeline 1, and the second sealing layer 603 is connected to the outer side wall of the first gas pipeline 1 in a dynamic sealing manner.

[0034] The side wall of the second collection cover 601 is penetrated with an air vent 604, and the outer wall of the second co...

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Abstract

The invention relates to the technical field of natural gas pipeline installation and maintenance, in particular to a gas leakage detection device for natural gas pipeline transportation. The device comprises a first gas conveying pipeline and two second gas conveying pipelines communicated with the two ends of the first gas conveying pipeline. Flange pieces are fixedly connected between the two ends of the first gas conveying pipeline and the opposite ends of the two second gas conveying pipelines correspondingly, and a plurality of pressure sensors are fixedly connected to the inner side walls of the first gas conveying pipeline and the two second gas conveying pipelines correspondingly. First gas leakage detection mechanisms are arranged between the opposite ends of the two second gas conveying pipelines and the two ends of the first gas conveying pipeline correspondingly, and the outer side wall of the first gas conveying pipeline is slidably sleeved with a second gas leakage detection mechanism. The device can perform gas leakage detection on the whole pipe body surface and the pipeline opening joint of the gas conveying pipelines simultaneously, the detection efficiency is higher, and the detection is more accurate.

Description

technical field [0001] The invention relates to the technical field of installation and maintenance of natural gas pipelines, in particular to a gas leakage detection device for natural gas pipeline transportation. Background technique [0002] Natural gas pipelines refer to pipelines that transport natural gas (including associated gas produced in oil fields) from mining sites or processing plants to urban gas distribution centers or industrial enterprise users, also known as gas pipelines. The use of natural gas pipelines to transport natural gas is a way to transport large quantities of natural gas on land. China is the first country to use wood and bamboo pipes to transport natural gas. Around 1600, the Ziliujing gas field in Sichuan Province not only laid pipelines on the flat ground, but also "the higher ones climbed the mountains, and the lower ones went into the ground", "digged ditches at the bottom of the river to place firewood, and dug rocks to cover the trenche...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F17D5/06F16L55/17F16L23/16G01M3/28
CPCF17D5/06F17D5/005F16L55/17F16L23/167G01M3/2815
Inventor 丁凡张利波王轶慧
Owner 银川瑞海陈技术咨询服务有限公司
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