CN209977704U - Natural gas pipeline with natural gas sampling device - Google Patents
Natural gas pipeline with natural gas sampling device Download PDFInfo
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- CN209977704U CN209977704U CN201920932940.2U CN201920932940U CN209977704U CN 209977704 U CN209977704 U CN 209977704U CN 201920932940 U CN201920932940 U CN 201920932940U CN 209977704 U CN209977704 U CN 209977704U
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Abstract
The utility model provides a natural gas pipeline with a natural gas sampling device, which comprises a main pipeline, a sampling cylinder, a connecting pipe, a one-way valve, a scavenging port, a sampling port, a valve, a push rod, a handle, an air inlet and a piston; the connecting pipe is connected to the upper surface of the main pipeline through welding, and a valve is connected to the connecting pipe through welding; the right end of the connecting pipe is connected with an air inlet through welding, and the air inlet is formed in the left side of the sampling cylinder; the air exchange port is arranged above the air inlet and is arranged on the left side of the sampling cylinder; a one-way valve is arranged on the air exchange port; the sampling port is arranged at the upper end of the sampling cylinder, and a valve is arranged on the sampling port; in summary, it can be seen that the sampling device structure of comparing with current natural gas line has increased in the discharge sampling container because the sampling pipeline does not circulate and detain the function of the natural gas of a small amount of samples last time, makes the sample precision of drawing higher, and the sample result is more accurate.
Description
Technical Field
The utility model belongs to the natural gas sampling field, more specifically say, in particular to natural gas line with natural gas sampling device.
Background
The natural gas pipeline is a pipeline for conveying natural gas (including associated gas produced by an oil field) from an exploitation place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas conveying pipeline. The definition of "natural gas" which has been commonly used for a long time is a narrow definition from the energy perspective, and refers to a mixture of hydrocarbon and non-hydrocarbon gases which are naturally deposited in a stratum, and scientific researchers need to regularly sample and test the gases in a natural gas pipeline to ensure the purity of the gases in the pipeline.
The prior chinese utility model patent, for example, with patent number CN201821536880.4, discloses a natural gas pipeline with a natural gas sampling device, which is basically described as: the device includes pipeline body, sampling device connecting pipe, first communicating pipe, sampling device, second communicating pipe and appearance gas analysis device, the sampling device connecting pipe communicate in the inner chamber of pipeline body, first communicating pipe communicate in the sampling device connecting pipe with between the sampling device, sampling device communicate in appearance gas analysis device and can to input sample gas in the appearance gas analysis device, sampling device with the fixed setting that appearance gas analysis device homoenergetic can be dismantled is in on the surface of pipeline body, be provided with the solenoid valve in the sampling device connecting pipe, be provided with first solenoid valve on the first communicating pipe, be provided with the second solenoid valve on the second communicating pipe.
Based on the above patent description, it can be seen that, when the natural gas sampling pipeline similar to that in this patent is carrying out the interior gas sampling of pipeline, because the intraductal natural gas of the sampling connecting who connects the main pipeline does not circulate, lead to still remaining the natural gas when a small amount of last sample in the sample of taking out, influence the precision of sample, cause the sample impure, influence the investigation result.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a natural gas pipeline with a natural gas sampling device is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a natural gas line with natural gas sampling device to solve the natural gas sampling pipeline similar to in this patent when carrying out the interior gas sampling of pipeline, because the natural gas does not circulate in the sample connecting tube of connecting the trunk line, the natural gas when still persisting a small amount of last sample in the sample that leads to taking out influences the precision of sample, causes the sample impure, influences the problem of investigation result.
The utility model relates to a natural gas line's purpose and efficiency with natural gas sampling device is reached by following specific technological means:
a natural gas pipeline with a natural gas sampling device comprises a main pipeline, a sampling cylinder, a connecting pipe, a one-way valve, a scavenging port, a sampling port, a valve, a push rod, a handle, an air inlet and a piston; the connecting pipe is connected to the upper surface of the main pipeline through welding, and a valve is connected to the connecting pipe through welding; the right end of the connecting pipe is connected with an air inlet through welding, and the air inlet is formed in the left side of the sampling cylinder; the air exchange port is arranged above the air inlet and is arranged on the left side of the sampling cylinder; a one-way valve is arranged on the air exchange port; the sampling port is arranged at the upper end of the sampling cylinder, and a valve is arranged on the sampling port; the left side of the push rod is connected with a piston through gluing, and the right end of the push rod is connected with a handle through welding.
Furthermore, the sampling cylinder is a cylinder, and the left side of the sampling cylinder is sealed by a thin plate.
Furthermore, the opening of the sampling port is upward, and the sampling port is a cylinder.
Further, the air outlet of the one-way valve on the air inlet faces to the right.
Furthermore, the air outlet end of the one-way valve on the air exchange port faces to the left, and a valve is installed on the air exchange port.
Compared with the prior art, the utility model discloses following beneficial effect has:
this design has carried out structural improvement on the basis of the natural gas line that has natural gas sampling device now, mainly reflects in: the gas that is detained in the connecting tube is inhaled from the air inlet at the mode of the piston push-and-pull for the sample chamber of this structure, the rethread promotes the piston and discharges gas from the scavenge port, reciprocal several times can be with the gas discharge of detaining in the natural gas line sampling connecting tube, inhale the interior natural gas of higher purity pipeline, open the valve of sample connection this moment, will take a breath the valve and close, promote the piston rod behind the external sample container and alright collect the higher natural gas of purity, to sum up, can see out, increased in the discharge sample container because the sample tube does not circulate and detain the function of the natural gas of a small amount of samples last time than the sampling device structure of current natural gas line, make the sample precision of drawing higher, the sampling result is more accurate.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the present invention after being cut open.
Fig. 3 is a schematic structural view of the sampling cylinder of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a main pipeline; 2. a sampling cylinder; 3. a connecting pipe; 4. a one-way valve; 5. a ventilation port; 6. a sampling port; 7. a valve; 8. a push rod; 9. a handle; 10. an air inlet; 11. a piston.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 3:
the utility model provides a natural gas pipeline with a natural gas sampling device, which comprises a main pipeline 1, a sampling cylinder 2, a connecting pipe 3, a one-way valve 4, a scavenging port 5, a sampling port 6, a valve 7, a push rod 8, a handle 9, an air inlet 10 and a piston 11; the connecting pipe 3 is connected to the upper surface of the main pipeline 1 through welding, and the valve 7 is connected to the connecting pipe 3 through welding; the right end of the connecting pipe 3 is connected with an air inlet 10 through welding, and the air inlet 10 is arranged on the left side of the sampling cylinder 2; the air exchange port 5 is arranged above the air inlet 10, and the air exchange port 5 is arranged on the left side of the sampling cylinder 2; the air exchange port 5 is provided with a one-way valve 4; the sampling port 6 is arranged at the upper end of the sampling cylinder 2, and a valve 7 is arranged on the sampling port 6; the left side of the push rod 8 is connected with a piston 11 through gluing, and the right end of the push rod 8 is connected with a handle 9 through welding.
Wherein, sample jar 2 is a drum, and the left side of sample jar 2 has the sheet metal to seal, and the sample jar 2 of this structure is shown in fig. 3, and sample jar 2 is used for inhaling sample jar 2 with piston 11 with the natural gas that stays in connecting pipe 3, promotes piston 11 again and will take a sample the gas discharge in jar 2, inhales into natural gas in the trunk line 1 of higher purity again and takes a sample after exhausting the gas that stays in natural gas pipeline sample connecting pipe 3.
Wherein, the opening of the sampling port 6 is upward, and the sampling port 6 is a cylinder, the sampling port 6 of the structure is shown in figure 3, when the sampling is started, the valve 7 is opened, the container for sampling is connected with the sampling port 6, then the push rod 8 is pushed leftwards, and the gas in the sampling cylinder 2 is extruded out of the sampling port 6 and enters the sampling container.
Wherein, the end of giving vent to anger of the check valve 4 on the air inlet 10 faces right, and the air inlet 10 of this structure is shown in fig. 2, and the air inlet 10 is used for connecting pipe 3 and sample jar 2, and the check valve 4 end of giving vent to anger can make the natural gas get into sample jar 2 and can't return to trunk line 1 from sample jar 2 towards right, is favorable to piston 11 to accomplish sample work and exhaust effect after squeezing sample jar 2.
The air outlet end of the check valve 4 on the air exchange port 5 faces to the left, the valve 7 is installed on the air exchange port 5, the air exchange port 5 of the structure is shown in fig. 1, the air outlet end of the check valve 4 on the air exchange port 5 faces to the left, so that impure natural gas in the sampling cylinder 2 can be conveniently extruded through the piston 11 and discharged out of the sampling cylinder 2, the valve 7 is opened during air exhaust, the air exchange port 5 is acted, the valve 7 is closed during sampling, and the natural gas in the sampling cylinder 2 can be conveniently extruded to facilitate sampling.
The specific use mode and function of the embodiment are as follows:
the utility model discloses in, when carrying out periodic sampling, turn round valve 7 on the scavenge port 5 earlier and open, close valve 7 on the scavenge port 6 again, open valve 7 with air inlet 10, with hand push handle 9, make push rod 8 to doing the motion, promote the natural gas in 11 extrusion sampling jars 2 of piston, natural gas in the time sampling jars 2 is discharged from scavenge port 5, pull handle 9 again, make the natural gas get into sampling jars 2 from air inlet 10, so relapse the gas outgoing who is detained when taking a sample in the natural gas pipeline sample connecting pipe 3 last time after several times, inhale the natural gas in trunk line 1 this moment, turn round valve 7 on the scavenge port 6 during the sample, valve 7 on the scavenge port 5 is closed, the container that will be used for taking a sample is connected good sample connection 6, promote handle 9 and accomplish the sample, to sum up, can find out, compared with current natural gas pipeline's sampling device structure has increased in the discharge sampling container because the sample pipeline does not circulate and detain and a small amount of sample last time sample because the sample pipeline is detain The function of natural gas makes the sample precision of extracting higher, and the sample result is more accurate.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. A natural gas pipeline having a natural gas sampling device, characterized by: the natural gas pipeline with the natural gas sampling device comprises a main pipeline (1), a sampling cylinder (2), a connecting pipe (3), a one-way valve (4), a scavenging port (5), a sampling port (6), a valve (7), a push rod (8), a handle (9), an air inlet (10) and a piston (11); the connecting pipe (3) is connected to the upper surface of the main pipeline (1) through welding, and the valve (7) is connected to the connecting pipe (3) through welding; the right end of the connecting pipe (3) is connected with an air inlet (10) through welding, and the air inlet (10) is arranged on the left side of the sampling cylinder (2); the air exchange port (5) is arranged above the air inlet (10), and the air exchange port (5) is arranged on the left side of the sampling cylinder (2); a check valve (4) is arranged on the scavenging port (5); the sampling port (6) is arranged at the upper end of the sampling cylinder (2), and a valve (7) is arranged on the sampling port (6); the left side of the push rod (8) is connected with a piston (11) through gluing, and the right end of the push rod (8) is connected with a handle (9) through welding.
2. A natural gas pipeline having a natural gas sampling device as set forth in claim 1, wherein: the sampling cylinder (2) is a cylinder, and the left side of the sampling cylinder (2) is sealed by a thin plate.
3. A natural gas pipeline having a natural gas sampling device as set forth in claim 1, wherein: the opening of the sampling port (6) is upward, and the sampling port (6) is a cylinder.
4. A natural gas pipeline having a natural gas sampling device as set forth in claim 1, wherein: the air outlet of the one-way valve (4) on the air inlet (10) faces to the right.
5. A natural gas pipeline having a natural gas sampling device as set forth in claim 1, wherein: the air outlet end of the one-way valve (4) on the air exchanging port (5) faces to the left, and a valve (7) is installed on the air exchanging port (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932940.2U CN209977704U (en) | 2019-06-19 | 2019-06-19 | Natural gas pipeline with natural gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920932940.2U CN209977704U (en) | 2019-06-19 | 2019-06-19 | Natural gas pipeline with natural gas sampling device |
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| Publication Number | Publication Date |
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| CN209977704U true CN209977704U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920932940.2U Expired - Fee Related CN209977704U (en) | 2019-06-19 | 2019-06-19 | Natural gas pipeline with natural gas sampling device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289308A (en) * | 2020-03-04 | 2020-06-16 | 河南工程学院 | Coalbed methane sampling device for coalbed methane comprehensive exploration |
| CN112557129A (en) * | 2020-12-26 | 2021-03-26 | 华油天然气广元有限公司 | Quick sampling tube of natural gas |
| CN112683608A (en) * | 2020-12-26 | 2021-04-20 | 华油天然气广元有限公司 | Natural gas sampling device |
| CN115807915A (en) * | 2023-02-06 | 2023-03-17 | 陇东学院 | Natural gas line sampling device |
| CN117589527A (en) * | 2023-11-06 | 2024-02-23 | 青岛国际机场新能源发展有限公司 | Sampling device for natural gas detection |
| CN117589527B (en) * | 2023-11-06 | 2024-05-31 | 青岛国际机场新能源发展有限公司 | Sampling device for natural gas detection |
-
2019
- 2019-06-19 CN CN201920932940.2U patent/CN209977704U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111289308A (en) * | 2020-03-04 | 2020-06-16 | 河南工程学院 | Coalbed methane sampling device for coalbed methane comprehensive exploration |
| CN112557129A (en) * | 2020-12-26 | 2021-03-26 | 华油天然气广元有限公司 | Quick sampling tube of natural gas |
| CN112683608A (en) * | 2020-12-26 | 2021-04-20 | 华油天然气广元有限公司 | Natural gas sampling device |
| CN112683608B (en) * | 2020-12-26 | 2024-03-15 | 华油天然气广元有限公司 | Natural gas sampling device |
| CN112557129B (en) * | 2020-12-26 | 2024-03-15 | 华油天然气广元有限公司 | Quick sampling tube for natural gas |
| CN115807915A (en) * | 2023-02-06 | 2023-03-17 | 陇东学院 | Natural gas line sampling device |
| CN115807915B (en) * | 2023-02-06 | 2023-04-21 | 陇东学院 | Natural gas pipeline sampling device |
| CN117589527A (en) * | 2023-11-06 | 2024-02-23 | 青岛国际机场新能源发展有限公司 | Sampling device for natural gas detection |
| CN117589527B (en) * | 2023-11-06 | 2024-05-31 | 青岛国际机场新能源发展有限公司 | Sampling device for natural gas detection |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200121 Termination date: 20200619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |