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A natural gas pipeline with a flange sealing joint and its installation method

A natural gas pipeline and flange sealing technology, applied in the direction of flange connection, pipe/pipe joint/pipe fittings, connecting components, etc., can solve the problems such as the success rate of flange leakage, affecting life and production, and easy failure of fixtures. Flange leakage, avoid flange leakage, simple and convenient installation and operation

Active Publication Date: 2021-06-08
广西熹海新能源有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, the above three methods are all remedial measures after natural gas leakage occurs, and all three remedial measures have certain limitations, such as directly tightening the flange, the success rate of dealing with flange leakage is relatively low; replacing the sealing assembly requires Pipeline stoppage affects life and production; making flange fixtures requires a lot of extra parts, and the fixtures are prone to failure

Method used

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  • A natural gas pipeline with a flange sealing joint and its installation method
  • A natural gas pipeline with a flange sealing joint and its installation method
  • A natural gas pipeline with a flange sealing joint and its installation method

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Embodiment Construction

[0038] Next, the inventive concept of the present invention will be described in detail with reference to the accompanying drawings. What is described here is only a preferred embodiment of the present invention, and those skilled in the art can think of other ways to realize the present invention on the basis of the preferred embodiments, and the other ways also fall within the scope of the present invention. In the following detailed description, directional terms such as "upper", "lower", "inner", "outer" and the like are used with reference to the directions described in the accompanying drawings. Components of embodiments of the present invention may be positioned in a variety of different orientations, and directional terms are used for purposes of illustration and not limitation.

[0039] see figure 2 The flange sealing joint includes a male joint and a female joint. The male joint and the female joint cooperate to realize a sealed connection. The radial end surface o...

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Abstract

The invention relates to a natural gas pipeline with a flange sealing joint and an installation method thereof, which can effectively prevent flange leakage of the natural gas transmission pipeline. The flange sealing joint includes a male joint and a female joint. The radial end surface of the male joint is provided with a protrusion outside, and the end of the female joint is provided with a recess that can accommodate the protrusion of the male joint. Both the protrusion and the recess are circumferential Set a circle in the direction, and set an internal seal at the connection between the male joint and the female joint. The internal seal is set in a circumferential circle. The outer surface of the internal seal is provided with an adhesive, which can be bonded to the inner wall of the natural gas pipeline. , to realize the sealing of the butt joint; it can effectively solve the technical problem of leakage of the flange of the natural gas pipeline, the sealing effect is good, and the cost is low, and the installation and operation are simple and convenient.

Description

technical field [0001] The invention relates to a natural gas pipeline, in particular to a natural gas pipeline with a flange sealing joint and an installation method thereof. 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. Natural gas pipelines account for about half of the world's total pipeline length. [0003] The gas transmission pipeline system is a continuous closed transmission system. From transmission, storage to user use, natural gas is under pressure. When an accident occurs, it is very harmful and affects a wide range. Once the pipeline leaks, it will cause waste of natural gas. If the discharged natural gas enco...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L23/032F16L23/18F16L23/00F16B11/00
CPCF16B11/008F16L23/003F16L23/032F16L23/165F16L23/18
Inventor 揭维敏
Owner 广西熹海新能源有限公司
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