CN211551165U - Natural gas pipeline with natural gas sampling device - Google Patents
Natural gas pipeline with natural gas sampling device Download PDFInfo
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- CN211551165U CN211551165U CN202020063662.4U CN202020063662U CN211551165U CN 211551165 U CN211551165 U CN 211551165U CN 202020063662 U CN202020063662 U CN 202020063662U CN 211551165 U CN211551165 U CN 211551165U
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Abstract
The utility model provides a natural gas pipeline with natural gas sampling device, which belongs to the technical field of natural gas pipelines and comprises a natural gas pipeline, a gas pipe, a regulating valve, a gas flowmeter, a sampling pipe, a connector, a first communicating pipe, a second communicating pipe and a third communicating pipe, wherein the left side of the natural gas pipeline is fixedly connected with the gas pipe, the regulating valve is matched and arranged at the tail end of the gas pipe, and the other end of the gas pipe is fixedly connected with the gas flowmeter, the natural gas in the whole pipeline of the utility model circulates and can ensure to convey fresh natural gas in real time, so that the detection result is more accurate, and the gas flow in the pipeline is smooth and can not form a dead gas section due to the bridge form formed between the pipelines, thereby avoiding pipeline blockage, controlling only one section of natural gas to overflow during detection and detecting through detecting equipment, the detection is safer, and the natural gas leakage during the detection is effectively avoided.
Description
Technical Field
The utility model relates to a natural gas line technical field specifically is a natural gas line.
Background
The in-process that the natural gas was carried needs carry out the sampling analysis to the natural gas sample of exploitation, and general natural gas sampling is all through the pipeline opening, communicates sampling device in the opening of pipeline again, then carries the analysis of taking a sample gas to the sample gas analytical equipment in with the sample gas that sampling device gathered again, and current natural gas sampling is earlier with the sample gas temporary storage in a container, carries out the analysis with the sample gas in the container again.
Based on the above description, and retrieving a currently published patent number: CN201721490532.3, which relates to a natural gas pipeline with a natural gas sampling device, has the following disadvantages when in use:
1-although sampling can be carried out, natural gas in the pipeline is accumulated for a long time due to unidirectional circulation of the pipeline, the circulation is poor, the state of sampling gas cannot be achieved, and errors exist in detection results;
2-because the air flow in the pipe is not smooth, a dead air section is easy to form, the pipeline is easy to block, and the pipeline needs to be cleaned and drained regularly;
3-natural gas is easy to overflow during detection, so that leakage is generated, and the detection is unsafe;
therefore, further research needs to be conducted on the existing natural gas pipeline to provide a new natural gas pipeline with a natural gas sampling device.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the weak point that exists among the prior art, provide a natural gas line with natural gas sampling device.
In order to achieve the above object, the utility model provides a following technical scheme: a natural gas pipeline with a natural gas sampling device comprises a natural gas pipeline, a gas pipe, an adjusting valve, a gas flowmeter, a sampling pipe, an interface, a first communicating pipe, a second communicating pipe and a third communicating pipe, wherein the left side of the natural gas pipeline is fixedly connected with the gas pipe, the tail end of the gas pipe is provided with the adjusting valve in a matching way, the other end of the gas pipe is fixedly connected with the gas flowmeter, the left side of the gas flowmeter is provided with the first interface, the right side of the gas flowmeter is provided with the second interface, the right end of the gas flowmeter is fixedly connected with the sampling pipe, the tail end of the sampling pipe is provided with the interface, the natural gas pipeline is positioned on the right side of the gas pipe and is fixedly connected with the first communicating pipe, the middle of the first communicating pipe is provided with a first control valve in a matching way, the natural, and the middle of the second communicating pipe is provided with a second control valve in a matching way, the natural gas pipeline is positioned on a third communicating pipe fixedly connected with the right side of the second communicating pipe, and the middle of the third communicating pipe is provided with a third control valve in a matching way.
Preferably, the natural gas pipeline is communicated with the gas transmission pipe, the gas transmission pipe is an L-shaped pipe, and the gas transmission pipe is communicated with the gas flowmeter through the first connecting port.
Preferably, the gas flowmeter is communicated with the sampling tube through a second connecting port, and the sampling tube is connected with the sampling container and the detection equipment through interfaces.
Preferably, the regulating valve is a pneumatic regulating valve, and the first control valve, the second control valve and the third control valve are all air path one-way valves.
Preferably, the first communicating pipe, the second communicating pipe and the third communicating pipe are communicated with the natural gas pipeline and the gas conveying pipe.
Preferably, the gas pipe and the first communicating pipe, the second communicating pipe and the third communicating pipe are arranged in an n shape. Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) this kind of natural gas line with natural gas sampling device, through setting up first communicating pipe, second communicating pipe and third communicating pipe all are linked together between with natural gas line and the gas-supply pipe, natural gas in the natural gas line can be through first communicating pipe, second communicating pipe and third communicating pipe circulate, carry out the air feed to the gas-supply pipe through being provided with three group's pipelines and natural gas line intercommunication, can avoid the problem that the sample pipeline blockked up and leads to the sample failure, make the sample more smooth, and natural gas in the whole pipeline circulates in circulation, can ensure in real time and carry fresh natural gas, make the testing result more accurate.
(2) Through setting up to be "n" shape setting between gas-supply pipe and first communicating pipe, second communicating pipe and the third communicating pipe, because form the crane span structure form between the pipeline for the intraductal air current is smooth and easy, can not form the stagnant gas section, need not periodic blowdown, can avoid the pipe blockage.
(3) Through setting up gas flowmeter, can be through observing gas flowmeter when the sample, respond to the circulation condition of natural gas, when examining, pass through the interface with check out test set and be connected with the sampling tube, open the governing valve again, the governing valve is the pneumatic type governing valve, first control valve, second control valve and third control valve are the gas circuit check valve, pneumatic governing valve can realize the proportion regulation, be applicable to the control gas, the flow, when observing natural gas normal flow through gas flowmeter, the natural gas normally switches on to the sampling tube, close the governing valve again, make only spill over a section natural gas, detect through check out test set, make and detect safelyr, effectively avoid natural gas leakage when examining.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the connection structure of the gas flowmeter of the present invention.
In the figure: 1-a natural gas pipeline; 2-gas transmission pipe; 3-adjusting the valve; 4-a gas flow meter; 5-sampling tube; 6-interface; 7-a first communicating pipe; 8-a second communicating pipe; 9-a third communicating pipe; 401 — a first connection port; 402-a second connection port; 701-a first control valve; 801-a second control valve; 901-third control valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
Example (b):
as shown in FIGS. 1-2;
the embodiment provides a natural gas pipeline with a natural gas sampling device, which comprises a natural gas pipeline 1, a gas pipeline 2, an adjusting valve 3, a gas flow meter 4, a sampling pipe 5, a connector 6, a first communicating pipe 7, a second communicating pipe 8 and a third communicating pipe 9, wherein the left side of the natural gas pipeline 1 is fixedly connected with the gas pipeline 2, the tail end of the gas pipeline 2 is provided with the adjusting valve 3 in a matching way, the other end of the gas pipeline 2 is fixedly connected with the gas flow meter 4, the left side of the gas flow meter 4 is provided with the first connector 401, the right side of the gas flow meter 4 is provided with the second connector 402, the right end of the gas flow meter 4 is fixedly connected with the sampling pipe 5, the tail end of the sampling pipe 5 is provided with the connector 6, the right side of the natural gas pipeline 1, which is positioned on the gas pipeline 2, the natural gas pipeline 1 is located the right side fixedly connected with second communicating pipe 8 of first communicating pipe 7, and the supporting second control valve 801 that is provided with in middle department of second communicating pipe 8, and natural gas pipeline 1 is located the right side fixedly connected with third communicating pipe 9 of second communicating pipe 8, and the supporting third control valve 901 that is provided with in middle department of third communicating pipe 9.
Further, the natural gas pipeline 1 is communicated with the gas transmission pipe 2, the gas transmission pipe 2 is an L-shaped pipe, and the gas transmission pipe 2 is communicated with the gas flow meter 4 through the first connecting port 401.
Further, gas flowmeter 4 is linked together with sampling tube 5 through second connector 402, and sampling tube 5 is connected with sampling container and check out test set through interface 6, through setting up sampling tube 5, can be through observing gas flowmeter 4 when taking a sample, respond to the circulation condition of natural gas, when examining, pass through interface 6 with the sampling tube 5 with check out test set and be connected, open governing valve 3 again, when observing the natural gas normal flow through gas flowmeter 4, the natural gas normally switches on to sampling tube 5, close governing valve 3 again, make and only spill over one section natural gas, detect through check out test set, make to detect safelyr, natural gas leakage when effectively avoiding examining.
Further, the regulating valve 3 is a pneumatic regulating valve, the first control valve 701, the second control valve 801 and the third control valve 901 are all air path check valves, proportional regulation can be achieved through the pneumatic regulating valve, the pneumatic regulating valve is suitable for controlling the flow of air, and the air path check valves enable one-way conduction to be achieved under the action of air flow pressure.
Further, first communicating pipe 7, second communicating pipe 8 and third communicating pipe 9 all are linked together between with natural gas line 1 and the gas-supply pipe 2, natural gas in the natural gas line 1 can be through first communicating pipe 7, second communicating pipe 8 and third communicating pipe 9 circulate, carry out the air feed to gas-supply pipe 2 through being provided with three group's pipelines and natural gas line 1 intercommunication, can avoid the problem that the sample pipeline blocks up and leads to the sample failure, make the sample more smooth, and natural gas in the whole pipeline circulates, can ensure in real time and carry fresh natural gas, make the testing result more accurate.
Further, be "n" shape setting between gas-supply pipe 2 and first communicating pipe 7, second communicating pipe 8 and the third communicating pipe 9, owing to form the crane span structure form between the pipeline for the intraductal air current is smooth and easy, can not form the stagnant gas section, need not periodic blowdown, can avoid the pipe blockage.
When the natural gas pipeline with the natural gas sampling device is used, the first communicating pipe 7, the second communicating pipe 8 and the third communicating pipe 9 are communicated with the natural gas pipeline 1 and the gas pipe 2, natural gas in the natural gas pipeline 1 can be circulated through the first communicating pipe 7, the second communicating pipe 8 and the third communicating pipe 9, the gas pipe 2 is supplied with gas through the communication of the three groups of pipelines and the natural gas pipeline 1, the problem that sampling fails due to the blockage of the sampling pipeline can be avoided, sampling is smoother, and the natural gas in the whole pipeline is circulated circularly, fresh natural gas can be conveyed in real time, and the detection result is more accurate;
the gas pipe 2 and the first communicating pipe 7, the second communicating pipe 8 and the third communicating pipe 9 are arranged in an n shape, and the bridge form is formed among the pipelines, so that the gas flow in the pipes is smooth, a dead gas section cannot be formed, the periodic pollution discharge is not needed, and the pipeline blockage can be avoided;
through setting up gas flowmeter 4, can be through observing gas flowmeter 4 when the sample, respond to the circulation condition of natural gas, when detecting, pass through interface 6 with check out test set and be connected with sampling tube 5, open governing valve 3 again, governing valve 3 is the pneumatic type governing valve, first control valve 701, second control valve 801 and third control valve 901 are the gas circuit check valve, the pneumatic type governing valve can realize proportional control, be applicable to the control gas, the flow, when observing the natural gas normal flow through gas flowmeter 4, the natural gas normally switches on to sampling tube 5, close governing valve 3 again, make only overflow one section natural gas, detect through check out test set, make to detect safelyr, effectively avoid natural gas leakage when detecting.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A natural gas pipeline with a natural gas sampling device comprises a natural gas pipeline (1), a gas pipe (2), an adjusting valve (3), a gas flow meter (4), a sampling pipe (5), an interface (6), a first communicating pipe (7), a second communicating pipe (8) and a third communicating pipe (9), and is characterized in that the left side of the natural gas pipeline (1) is fixedly connected with the gas pipe (2), the adjusting valve (3) is arranged at the tail end of the gas pipe (2) in a matched manner, the other end of the gas pipe (2) is fixedly connected with the gas flow meter (4), the left side of the gas flow meter (4) is provided with a first interface (401), the right side of the gas flow meter (4) is provided with a second interface (402), the right end of the gas flow meter (4) is fixedly connected with the sampling pipe (5), and the tail end of the sampling pipe (5) is provided, the natural gas pipeline (1) is located the first communicating pipe of right side fixedly connected with (7) of gas-supply pipe (2), just the supporting first control valve (701) that is provided with of centre department of first communicating pipe (7), natural gas pipeline (1) is located the right side fixedly connected with second communicating pipe (8) of first communicating pipe (7), just the supporting second control valve (801) that is provided with of centre department of second communicating pipe (8), natural gas pipeline (1) is located the right side fixedly connected with third communicating pipe (9) of second communicating pipe (8), just the supporting third control valve (901) that is provided with of centre department of third communicating pipe (9).
2. The natural gas pipeline with the natural gas sampling device according to claim 1, characterized in that the natural gas pipeline (1) is communicated with the gas transmission pipe (2), the gas transmission pipe (2) is an L-shaped pipe, and the gas transmission pipe (2) is communicated with the gas flow meter (4) through the first connecting port (401).
3. The natural gas pipeline with natural gas sampling device of claim 1, characterized in that the gas flowmeter (4) is communicated with the sampling pipe (5) through a second connection port (402), and the sampling pipe (5) is connected with a sampling container and a detection device through a connector (6).
4. The natural gas pipeline with natural gas sampling device of claim 1, characterized in that the regulating valve (3) is a pneumatic regulating valve, and the first control valve (701), the second control valve (801) and the third control valve (901) are all gas path one-way valves.
5. The natural gas pipeline with the natural gas sampling device according to claim 1, wherein the first communicating pipe (7), the second communicating pipe (8) and the third communicating pipe (9) are communicated with the natural gas pipeline (1) and the gas conveying pipe (2).
6. The natural gas pipeline with the natural gas sampling device according to claim 1, characterized in that the gas transmission pipe (2) and the first communicating pipe (7), the second communicating pipe (8) and the third communicating pipe (9) are arranged in an n shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020063662.4U CN211551165U (en) | 2020-01-13 | 2020-01-13 | Natural gas pipeline with natural gas sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020063662.4U CN211551165U (en) | 2020-01-13 | 2020-01-13 | Natural gas pipeline with natural gas sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211551165U true CN211551165U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020063662.4U Active CN211551165U (en) | 2020-01-13 | 2020-01-13 | Natural gas pipeline with natural gas sampling device |
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| Country | Link |
|---|---|
| CN (1) | CN211551165U (en) |
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- 2020-01-13 CN CN202020063662.4U patent/CN211551165U/en active Active
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