CN219369048U - Gas tightness detection device for natural gas pipeline - Google Patents
Gas tightness detection device for natural gas pipeline Download PDFInfo
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- CN219369048U CN219369048U CN202223534437.2U CN202223534437U CN219369048U CN 219369048 U CN219369048 U CN 219369048U CN 202223534437 U CN202223534437 U CN 202223534437U CN 219369048 U CN219369048 U CN 219369048U
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- Prior art keywords
- natural gas
- gas pipeline
- detection device
- tightness detection
- mounting hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Abstract
The utility model relates to the technical field of natural gas pipelines, in particular to an air tightness detection device for a natural gas pipeline; comprising the following steps: the device comprises a natural gas pipeline and sealing sleeves, wherein two natural gas pipelines are arranged and are connected through flanges, the sealing sleeves are symmetrically arranged on the upper side and the lower side of the outer surface of the natural gas pipeline and are connected through connecting components, and the upper end face of one sealing sleeve is provided with a detection component. This gas tightness detection device for natural gas line is provided with the baffle at the lug surface, and the design of baffle can play the shielding effect to mounting hole department to reduce the erosion that external environment caused the bolt of mounting hole department, reach the purpose that slows down the bolt of mounting hole department and produce corrosion phenomenon then, and be provided with wireless pinhole probe in the detection container, thereby reach the purpose of observing in the automatic detection container.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to an air tightness detection device for a natural gas pipeline.
Background
Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the atmosphere, water and rock circles (including oilfield gas, gas field gas, mudstone gas, coal bed gas, and biogenic gases, etc.). The existing natural gas pipelines are connected through flanges, the rubber inside the natural gas pipelines can be aged after long-time use, so that the air tightness is poor, air leakage and the like are caused, and therefore, workers can set detection devices on the outer surfaces of the natural gas pipelines, and the air tightness of the natural gas pipelines is detected through the detection devices regularly.
Through the search, the existing detection device on the market is two detachable sealing sleeves, the sealing sleeves are sleeved at the flange connection part between the natural gas pipelines, and meanwhile, a detection mechanism is arranged on the outer surface of one side of the sealing sleeve to judge whether the natural gas pipelines have the phenomenon of air leakage or not. When using, fix through the bolt between two seal covers, and the bolt is usually directly exposed in the outside, because natural gas pipeline is usually laid in the open air, make the bolt of direct exposure in the outside receive influence of environmental factor such as external rainwater to produce phenomena such as corrosion, thereby inconvenient staff's later stage screw the bolt, and then inconvenient dismouting to the seal cover, secondly, current device is when using, generally utilize the pipeline to be connected with detection mechanism, when using, add right amount of moisture in detection mechanism inside, if natural gas pipeline appears leaking the phenomenon, then produce the bubble in the moisture in the detection mechanism, but current device usually utilizes the naked eye to observe, natural gas pipeline has certain length in actual laying process, thereby very big degree's increase staff's intensity of labour.
The person skilled in the art is therefore working to develop a gas tightness detection device for natural gas pipelines.
Disclosure of Invention
The utility model aims to solve the technical problems that the existing device bolt is directly exposed to the outside and is easy to rust, and bubbles are inconvenient to observe.
In order to achieve the above object, the present utility model provides an air tightness detection device for a natural gas pipeline, comprising: the device comprises a natural gas pipeline and sealing sleeves, wherein two natural gas pipelines are arranged and are connected through flanges, the sealing sleeves are symmetrically arranged on the upper side and the lower side of the outer surface of the natural gas pipeline and are connected through connecting components, and the upper end face of one sealing sleeve is provided with a detection component.
The two sealing sleeves are arranged at the joint of the natural gas pipeline through the connecting assembly, so that the two sealing sleeves form a sealed space to be sleeved on the outer surface of the natural gas pipeline, if the natural gas pipeline has the phenomenon of air leakage, leaked gas can enter the detecting assembly to enable bubbles to be generated in the detecting assembly, and if the phenomenon of air leakage does not exist, no bubbles are generated, so that the gas tightness of the natural gas pipeline is conveniently judged by staff.
The lateral section of the sealing sleeve is of an arc-shaped structure, and two sealing rubber rings are symmetrically arranged on the left side and the right side of the sealing sleeve.
The sealing rubber ring ensures the tightness between the sealing sleeves and the natural gas pipeline, thereby realizing the purpose of forming a closed space between the two sealing sleeves and avoiding gas leakage from the inside to the outside.
The connecting assembly is symmetrically provided with two groups at the centers of the outer surfaces of the front side and the rear side of the sealing sleeve, and comprises lugs.
When in actual use, the lugs on the outer surfaces of the two sealing sleeves are correspondingly attached and connected, so that a detachable installation structure is formed between the two sealing sleeves.
Wherein, the center of the outer surface of the lug is preset with a mounting hole, and the mounting hole is of an internal thread structure.
The user can insert the bolt in the mounting hole of internal thread formula structure to ensure the stability of connecting between two seal covers.
Wherein, the lug surface activity is connected with the baffle, and the mounting plane of baffle is higher than the mounting plane of mounting hole.
The design of the movable baffle can play a role in shielding the bolts in the mounting holes, so that the shielding function is realized at the mounting holes, and the purpose of delaying the rust of the movable baffle is achieved.
Wherein the detection assembly comprises a detection container. One side of the outer surface of the detection container is connected with a gas channel through a one-way valve, the cross section of the gas channel is of an L-shaped structure, and the tail end of the gas channel is connected with the upper end face of the sealing sleeve.
The leaked gas in the natural gas pipeline can enter the detection container through the gas channel in the airtight space formed by the sealing sleeve.
Wherein, detection container surface one side is provided with the liquid passageway, and the installation height of liquid passageway is higher than the installation height of gas passageway.
Prior to testing, a user may add a specified amount of moisture to the testing container through the fluid passageway.
The upper end face of the detection container is movably connected with an upper cover plate, and a wireless pinhole probe is arranged in the center of the lower end face of the upper cover plate.
The mode of movable connection facilitates the user to dismantle the upper cover plate, and wireless pinhole probe adopts the structure that exists on the market, and with external equipment electric connection to reach the purpose of observing in the automatic detection container, avoided the staff to detect each joint department in the natural gas pipeline with the mode of manual work walking then, very big degree's the amount of labour of having saved the staff.
The beneficial effects of the utility model are as follows:
when the gas pipeline detection device is used, the baffle is arranged on the outer surface of the lug, and the baffle can shield the mounting hole, so that corrosion of the external environment to the bolts at the mounting hole is reduced, the aim of slowing down corrosion of the bolts at the mounting hole is fulfilled, and the wireless pinhole probe is arranged in the detection container, so that the aim of automatically observing the inside of the detection container is fulfilled, and further, the detection of all joints in a natural gas pipeline by workers in a manual walking manner is avoided, and the labor capacity of the workers is greatly saved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic overall perspective view of an embodiment of the present utility model;
figure 2 is a schematic perspective view of a sealing sleeve according to an embodiment of the utility model;
FIG. 3 is a schematic side view of a detection vessel according to an embodiment of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to an embodiment of the present utility model.
Part name
1. A natural gas pipeline; 2. sealing sleeve; 3. sealing the rubber ring; 4. a lug; 5. a mounting hole; 6. a baffle; 7. a gas channel; 8. a detection container; 9. a liquid channel; 10. an upper cover plate; 11. a wireless pinhole probe.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1 to 4, the present utility model provides an air tightness detection device for a natural gas pipeline, comprising: the device comprises a natural gas pipeline 1 and sealing sleeves 2, wherein the two natural gas pipelines 1 are connected through flanges, the two sealing sleeves 2 are symmetrically arranged on the upper side and the lower side of the outer surface of the natural gas pipeline 1, the two sealing sleeves 2 are connected through a connecting component, and a detection component is arranged on the upper end face of one side of the sealing sleeve 2;
in this embodiment, first, the sealing sleeve 2 is installed at the flange connection of the outer surface of the natural gas pipeline 1 through the connection assembly, and when the installation of the sealing sleeve 2 is completed, the sealing sleeve 2 forms a closed space on the outer surface of the natural gas pipeline 1, so that if there is a gas leakage phenomenon at the flange connection of the outer surface of the natural gas pipeline 1, the gas can flow upwards into the detection assembly.
Furthermore, the lateral cross section of the sealing sleeve 2 is in an arc-shaped structure, and two sealing rubber rings 3 are symmetrically arranged on the left side and the right side of the sealing sleeve 2;
in the embodiment, the design of the sealing rubber ring 3 ensures the tightness of the connection between the sealing sleeve 2 and the natural gas pipeline 1.
Furthermore, two groups of connecting components are symmetrically arranged at the centers of the outer surfaces of the front side and the rear side of the sealing sleeve 2, the connecting components comprise lugs 4, mounting holes 5 are preset at the centers of the outer surfaces of the lugs 4, the mounting holes 5 are of internal thread structures, the outer surfaces of the lugs 4 are movably connected with baffle plates 6, and the mounting plane of the baffle plates 6 is higher than that of the mounting holes 5;
in this embodiment, in the installation of seal cover 2, with the corresponding laminating of lug 4 of two seal cover 2 surfaces connect to make mounting hole 5 coincide, secondly, insert the bolt in mounting hole 5 inside, thereby ensure fixed connection's stability between seal cover 2 and the natural gas pipeline 1, finally, when the bolt installation is accomplished, the user can promote baffle 6, make baffle 6 play the shielding effect to the inside bolt of mounting hole 5, thereby reduce the erosion that external environment caused the bolt of mounting hole 5 department, then reach the purpose that slows down the bolt of mounting hole 5 department and produce corrosion phenomenon.
Further, the detection assembly comprises a detection container 8. The outer surface side of the detection container 8 is connected with a gas channel 7 through a one-way valve, the cross section of the gas channel 7 is of an L-shaped structure, the tail end of the gas channel 7 is connected with the upper end face of the sealing sleeve 2, the outer surface side of the detection container 8 is provided with a liquid channel 9, the installation height of the liquid channel 9 is higher than that of the gas channel 7, the upper end face of the detection container 8 is movably connected with an upper cover plate 10, and the center of the lower end face of the upper cover plate 10 is provided with a wireless pinhole probe 11;
in this embodiment, firstly, before detecting, user's accessible liquid passageway 9 adds right amount moisture in the inside detection container 8, secondly, in the testing process, if there is the phenomenon that gas leaked in natural gas pipeline 1 joint department, the gas that leaks accessible gas passageway 7 enters into the inside detection container 8, thereby make the inside moisture of detection container 8 produce the bubble, wireless pinhole probe 11's design can shoot the inside situation of detection container 8, will shoot the content that obtains simultaneously in transmitting external equipment, avoided the staff to detect each joint department in the natural gas pipeline 1 with the mode of manual work, very big degree saved staff's amount of labour, when not using, upper cover plate 10 of swing joint can be separated with detection container 8, thereby make things convenient for the staff to change and maintain wireless pinhole probe 11, the practicality of this device has been increased.
The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.
Claims (8)
1. An air tightness detection device for a natural gas pipeline, comprising: the gas pipeline (1) and seal cover (2), natural gas pipeline (1) are provided with two, and pass through flange joint between two natural gas pipeline (1), its characterized in that, seal cover (2) are provided with two in natural gas pipeline (1) surface upper and lower bilateral symmetry, and are connected through coupling assembling between two seal covers (2) to one side seal cover (2) up end is provided with detection assembly.
2. The tightness detection device for the natural gas pipeline according to claim 1, wherein the lateral section of the sealing sleeve (2) is of an arc-shaped structure, and two sealing rubber rings (3) are symmetrically arranged on the left side and the right side of the sealing sleeve (2).
3. A gas tightness detection device for natural gas pipelines according to claim 1, wherein said connecting members are symmetrically provided with two sets at the centers of the outer surfaces of the front and rear sides of the sealing sleeve (2), and the connecting members comprise lugs (4).
4. A gas tightness detection device for natural gas pipelines according to claim 3, wherein the center of the outer surface of the lug (4) is provided with a mounting hole (5), and the mounting hole (5) is of an internal thread structure.
5. A gas tightness detection device for natural gas pipelines according to claim 3, characterized in that the outer surface of the lug (4) is movably connected with a baffle plate (6), and the mounting plane of the baffle plate (6) is higher than the mounting plane of the mounting hole (5).
6. The tightness detection device for the natural gas pipeline according to claim 1, wherein the detection assembly comprises a detection container (8), one side of the outer surface of the detection container (8) is connected with a gas channel (7) through a one-way valve, the cross section of the gas channel (7) is of an L-shaped structure, and the tail end of the gas channel (7) is connected with the upper end face of the sealing sleeve (2).
7. A gas tightness detection device for natural gas pipelines according to claim 6, wherein the detection container (8) is provided with a liquid passage (9) on the outer surface side thereof, and the installation height of the liquid passage (9) is higher than the installation height of the gas passage (7).
8. The tightness detection device for the natural gas pipeline according to claim 6, wherein an upper cover plate (10) is movably connected to the upper end face of the detection container (8), and a wireless pinhole probe (11) is arranged in the center of the lower end face of the upper cover plate (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534437.2U CN219369048U (en) | 2022-12-29 | 2022-12-29 | Gas tightness detection device for natural gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223534437.2U CN219369048U (en) | 2022-12-29 | 2022-12-29 | Gas tightness detection device for natural gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219369048U true CN219369048U (en) | 2023-07-18 |
Family
ID=87152566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223534437.2U Active CN219369048U (en) | 2022-12-29 | 2022-12-29 | Gas tightness detection device for natural gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219369048U (en) |
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2022
- 2022-12-29 CN CN202223534437.2U patent/CN219369048U/en active Active
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