CN216345470U

CN216345470U - Natural gas line leakage detection device

Info

Publication number: CN216345470U
Application number: CN202122855257.3U
Authority: CN
Inventors: 周中
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-19
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a natural gas pipeline leakage detection device, which comprises a shell and a detection plugging structure, wherein the detection plugging structure comprises a first plugging structure and a second plugging structure; the number of the shells is two, the shells are distributed in an up-down symmetrical manner, the two shells are internally provided with air storage cavities, the front ends and the rear ends of the two shells are connected through a connecting structure, and the shells are provided with sealing structures; detect block structure and casing and be connected, its advantage lies in: possess and detect block structure and seal structure, cooperation through detecting block structure and seal structure is used, can realize that the shutoff to natural gas line can be realized under the prerequisite that natural gas line revealed the detection, the waste that the natural gas had been avoided effectively continuously dashes the natural gas line and revealed the department and get into the air and cause, resources are saved, can provide buffer time for the subsequent processing of weather line department of revealing again, establish the basis for the follow-up maintenance of natural gas line is changed, the design is more humanized, be convenient for the popularization and the use of product.

Description

Natural gas line leakage detection device

Technical Field

The utility model relates to the technical field of pipeline detection, in particular to a natural gas pipeline leakage detection device.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline; natural gas is transported by using a natural gas pipeline, which is a common natural gas transportation mode; the natural gas pipeline is probably damaged because external factors such as natural corrosion or artificial damage cause the natural gas pipeline in the in-process of using, and then the situation that natural gas leaked appears, in order to avoid the natural gas to run off in a large number at the in-process of transportation, often need leak detection to the natural gas pipeline, and present detection device has certain defect at the in-process of using, can not be timely carry out the shutoff to the natural gas pipeline, can cause the further loss of natural gas, and then cause the wasting of resources, for this reason, we have provided a natural gas pipeline leakage detection device.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solve the above problems, and an object of the present invention is to provide a natural gas pipeline leakage detecting device, which has the advantages of good sealing performance, easy installation, and capability of plugging a natural gas pipeline leakage position, and is described in detail below.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a natural gas pipeline leakage detection device, which comprises a shell and a detection plugging structure, wherein the detection plugging structure comprises a first plugging structure and a second plugging structure;

the number of the shells is two, the shells are distributed in an up-down symmetrical manner, the two shells are internally provided with air storage cavities, the front ends and the rear ends of the two shells are connected through a connecting structure, and the shells are provided with sealing structures;

the detection plugging structure is connected with the shell.

Preferably, the two ends of the shell are respectively provided with a mounting groove corresponding to the external natural gas pipeline, the mounting grooves are mounted in a matched mode with the external natural gas pipeline, matched mounting between the shell and the external natural gas pipeline is guaranteed, and a foundation is laid for leakage detection of the natural gas pipeline.

Preferably, the connecting structure comprises two outer plates which are opposite up and down, the outer plate at the upper end is fixedly connected with the lower end of the shell at the upper end, the outer plate at the lower end is fixedly connected with the upper end of the shell at the lower end, and the outer plates are provided with uniformly distributed mounting holes for mounting external fastening bolts and nuts, so that the connection between the upper shell and the lower shell is ensured, and a foundation is laid for the device to realize leakage detection of the natural gas pipeline.

Preferably, the number of the mounting holes on the outer plate at the upper end is equal to that of the mounting holes on the outer plate at the lower end, and the mounting holes correspond to each other one by one, so that a foundation is laid for the connection between the upper outer plate and the lower outer plate in the connection structure.

Preferably, the sealing structure comprises an edge sealing gasket and a pipeline gasket, the edge sealing gasket and the pipeline gasket are made of rubber materials, the sealing of the device is carried out by adopting elastic rubber materials, and the sealing strength of the device can be effectively ensured.

Preferably, the edge sealing gasket is positioned at the joint of the two shells, and the pipeline gasket is positioned at the joint of the shell and the external natural gas pipeline, so that the joint of the two shells and the seal between the shell and the external natural gas pipeline are realized.

Preferably, the detection plugging structure comprises an air outlet pipe, the air outlet pipe is communicated with the inside of the air storage cavity, an air pressure measuring meter and a valve are arranged on the air outlet pipe, whether the natural gas pipeline leaks or not is detected, and the detection position is plugged.

The utility model has the beneficial effects that:

possess and detect block structure and seal structure, cooperation through detecting block structure and seal structure is used, can realize that the shutoff to natural gas line can be realized under the prerequisite that natural gas line revealed the detection, the waste that the natural gas had been avoided effectively continuously dashes the natural gas line and revealed the department and get into the air and cause, resources are saved, can provide buffer time for the subsequent processing of weather line department of revealing again, establish the basis for the follow-up maintenance of natural gas line is changed, the design is more humanized, be convenient for the popularization and the use of product.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic perspective view of FIG. 1 in accordance with the present invention;

fig. 3 is a schematic cross-sectional view of the solid body of fig. 1 according to the present invention.

The reference numerals are explained below:

1. a housing; 2. a connecting structure; 2a, an outer plate; 2b, mounting holes; 3. detecting the plugging structure; 3a, an air outlet pipe; 3b, an air pressure measuring meter; 3c, a valve; 4. a gas storage cavity; 5. a sealing structure; 5a, sealing edge gaskets; 5b, pipeline sealing gaskets.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-3, the utility model provides a natural gas pipeline leakage detection device, which comprises a housing 1 and a detection blocking structure 3; the number of the shells 1 is two, the shells are vertically and symmetrically distributed, the gas storage cavities 4 are arranged in the two shells 1, the two ends of each shell 1 are provided with mounting grooves corresponding to an external natural gas pipeline, the mounting grooves are matched with the external natural gas pipeline to ensure the matched mounting between the shell 1 and the external natural gas pipeline, and a foundation is laid for the leakage detection of the natural gas pipeline, the front end and the rear end of each shell 1 are connected through a connecting structure 2, the connecting structure 2 comprises two outer plates 2a which are vertically opposite, the outer plate 2a at the upper end is fixedly connected with the lower end of the shell 1 at the upper end, the outer plate 2a at the lower end is fixedly connected with the upper end of the shell 1 at the lower end, the outer plates 2a are provided with uniformly distributed mounting holes 2b for mounting external fastening bolt nuts, the connection between the upper shell 1 and the lower shell 1 is ensured, and a foundation is laid for the leakage detection of the natural gas pipeline of the device, the mounting holes 2b on the outer plate 2a at the upper end and the mounting holes 2b on the outer plate 2a at the lower end are equal in number and correspond to each other one by one, and a foundation is laid for connection between the upper outer plate 2a and the lower outer plate 2a in the connecting structure 2. The sealing structure 5 is arranged on the shell 1, the sealing structure 5 comprises an edge sealing gasket 5a and a pipeline sealing gasket 5b, the edge sealing gasket 5a and the pipeline sealing gasket 5b are made of rubber materials, elastic rubber materials are used for sealing the device, the sealing strength of the device can be effectively ensured, the edge sealing gasket 5a is positioned at the joint of the two shells 1, and the pipeline sealing gasket 5b is positioned at the joint of the shells 1 and an external natural gas pipeline, so that the sealing of the joint of the two shells 1 and the sealing of the shells 1 and the external natural gas pipeline are realized; detect block structure 3 and casing 1 and be connected, detect block structure 3 and include outlet duct 3a, and the inside of outlet duct 3a and gas storage chamber 4 is linked together, is equipped with barometer 3b and valve 3c on the outlet duct 3a, realizes the detection whether to leak the natural gas line to carry out the shutoff to the detection department.

In an embodiment of the utility model, by adopting the natural gas pipeline leakage detection device with the structure, the shell 1 is arranged at the position to be detected of the natural gas pipeline, the shell 1 is fixed at the position to be detected of the natural gas pipeline by matching the connecting structure 2 with the external fastening bolt and nut, in the process, the sealing performance of the connecting part of the two shells 1 is ensured by the edge sealing gasket 5a, and the sealing performance of the connecting part of the shell 1 and the natural gas pipeline is ensured by the pipeline gasket 5b, when in use, the valve 3c at the position of the detection plugging structure 3 is closed, then the value of the air pressure measurement table 3b is observed, if the value of the air pressure measurement table 3b is continuously increased, the natural gas pipeline detecting part is leaked, the valve 3c and the sealing structure 5 can effectively prevent the leaked natural gas from directly entering the air to cause waste, when the air pressure in the shell 1 is increased to be consistent with the air pressure value in the natural gas pipeline, the plugging of the leakage position of the natural gas pipeline can be effectively realized.

It is worth noting that the fixed connection in the utility model adopts a welding connection mode;

the utility model can be connected with an external natural gas collecting device through the gas outlet pipe 3a, and can also avoid the waste of natural gas.

The natural gas pipeline leakage detection device of this embodiment has following advantage:

possess and detect block structure 3 and seal structure 5, cooperation through detecting block structure 3 and seal structure 5 is used, can realize that the shutoff to natural gas line under the prerequisite that natural gas line revealed the detection, the waste that the department of revealing entering air caused has been avoided the natural gas to impact the natural gas line continuously effectively, resources are saved, can provide buffer time for the subsequent processing of the department of revealing of weather pipeline again, the foundation is established for the subsequent maintenance of natural gas line is changed, the design is more humanized, be convenient for popularization and use of product.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a natural gas line leakage detection device which characterized in that: comprises a shell (1) and a detection plugging structure (3);

the number of the shells (1) is two, the shells are vertically and symmetrically distributed, the air storage cavities (4) are arranged in the shells (1), the front ends and the rear ends of the shells (1) are connected through connecting structures (2), and sealing structures (5) are arranged on the shells (1);

the detection plugging structure (3) is connected with the shell (1).

2. The natural gas pipeline leak detection device according to claim 1, wherein: the two ends of the shell (1) are provided with mounting grooves corresponding to the external natural gas pipeline, and the mounting grooves are mounted in a matched mode with the external natural gas pipeline.

3. The natural gas pipeline leak detection device according to claim 1, wherein: the connecting structure (2) comprises two outer plates (2a) which are opposite up and down, the outer plate (2a) at the upper end is fixedly connected with the lower end of the shell (1) at the upper end, the outer plate (2a) at the lower end is fixedly connected with the upper end of the shell (1) at the lower end, and the outer plates (2a) are provided with uniformly distributed mounting holes (2b) for mounting external fastening bolts and nuts.

4. A natural gas pipeline leak detection apparatus according to claim 3, wherein: the mounting holes (2b) on the outer plate (2a) at the upper end and the mounting holes (2b) on the outer plate (2a) at the lower end are equal in number and are in one-to-one correspondence.

5. The natural gas pipeline leak detection device according to claim 1, wherein: seal structure (5) are including the sealed pad of banding (5a) and the sealed pad of pipeline (5b), the sealed pad of banding (5a) and the sealed pad of pipeline (5b) adopt rubber materials to make.

6. The natural gas pipeline leakage detection device of claim 5, wherein: the edge sealing gasket (5a) is positioned at the joint of the two shells (1), and the pipeline gasket (5b) is positioned at the joint of the shell (1) and an external natural gas pipeline.

7. The natural gas pipeline leak detection device according to claim 1, wherein: the detection plugging structure (3) comprises an air outlet pipe (3a), the air outlet pipe (3a) is communicated with the interior of the air storage cavity (4), and an air pressure measuring meter (3b) and a valve (3c) are arranged on the air outlet pipe (3 a).