Natural gas pipeline with natural gas sampling device

Abstract

The utility model discloses a natural gas pipeline with a natural gas sampling device, and relates to the technical field of natural gas pipelines, the natural gas pipeline with the natural gas sampling device comprises a natural gas pipeline, a gas guide assembly, a gas outlet assembly and a gas outlet assembly, the gas guide assembly is arranged on the surface of the top of the natural gas pipeline, the gas inlet end of the gas guide assembly is connected with an inner cavity of the sampling hole, and the gas guide assembly is used for guiding out natural gas in the natural gas pipeline; according to the natural gas sampling device, sampling testing and concentration detection can be conducted on natural gas, a worker can control discharging of the natural gas, the discharging flow can be monitored, and therefore the sampling accuracy and reliability can be ensured, and the sampling efficiency can be improved. And the sampling convenience of the equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline with a natural gas sampling device. Background Art

[0002] Natural gas refers to all gases that exist naturally in nature, including naturally formed gases in the atmosphere, hydrosphere and lithosphere. With the development and application of natural gas by people, natural gas is transported to residential buildings through natural gas transmission pipelines for people's daily use. In the process of natural gas transportation, it is necessary to sample and analyze the mined natural gas samples. Generally, natural gas sampling is done through the pipeline opening, and then the sampling device is connected to the pipeline opening, and then the sample gas collected by the sampling device is transported to the sample gas analysis device for analysis of the sampled gas. Some sampling devices first temporarily store the sampled gas in a container, and then analyze the sampled gas in the container.

[0003] Although the existing natural gas sampling device can sample natural gas, the operation is cumbersome, which affects the work efficiency. Therefore, we propose a natural gas pipeline with a natural gas sampling device to solve the above problems. Utility Model Content

[0004] In view of the deficiencies of the prior art, the utility model provides a natural gas pipeline with a natural gas sampling device, which solves the problem of complicated operation.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a natural gas pipeline with a natural gas sampling device, comprising a natural gas pipeline, a sampling hole is opened at the center of the top of the natural gas pipeline, and further comprising:

[0006] An air guide component, the air guide component is arranged on the top surface of the natural gas pipeline, and the air inlet end of the air guide component is connected to the inner cavity of the sampling hole, and the air guide component is used to guide the natural gas in the natural gas pipeline out;

[0007] A gas extraction component, wherein the gas extraction component is disposed on the top surface of the gas guide component, and the gas inlet end of the gas extraction component is connected to the gas outlet end of the gas guide component, and the gas extraction component is used to extract natural gas from the inner cavity of the natural gas pipeline; and

[0008] An exhaust component is arranged on a side surface of the air intake component, and the air inlet end of the exhaust component is conductively connected to the air outlet end of the air intake component, and the exhaust component is used to discharge the gas extracted from the air intake component.

[0009] Preferably, the gas guide assembly includes a connecting plate, both ends of the connecting plate are provided with C-shaped frames, and the inner cavities of the two C-shaped frames are respectively connected to the outer walls on both sides of the top of the natural gas pipeline;

[0010] A through hole is provided on the top surface of the connecting plate, a sampling tube is inserted into the inner cavity of the through hole, and the bottom end of the sampling tube is conductively connected to the inner cavity of the sampling hole.

[0011] Preferably, a first stabilizing sleeve is fixedly disposed on the outside of the sampling tube and close to the top end, and the outer wall of the first stabilizing sleeve is fixedly connected to the inner cavity of the through hole;

[0012] A second stabilizing sleeve is fixedly arranged outside the sampling tube and close to the bottom end, and the outer wall of the second stabilizing sleeve is fixedly connected to the inner cavity of the sampling hole.

[0013] Preferably, a filter screen is provided on the bottom surface of the sampling tube, and the filter screen is used to filter impurities in the natural gas.

[0014] Preferably, the air extraction assembly comprises a baffle, which is arranged at the center of the top surface of the connecting plate, and the baffle is located outside the through hole, and the bottom end of the baffle is fixedly connected to the top surface of the connecting plate;

[0015] A cover plate is provided at the top open end of the enclosure, an electric telescopic rod is embedded and connected at the center of the top surface of the cover plate, a piston head is provided at the output end of the electric telescopic rod, and the piston head is movably connected to the sampling tube;

[0016] A gas concentration sensor is provided on one side of the bottom surface of the cover plate, and the gas concentration sensor is used to detect the concentration of the extracted natural gas;

[0017] A connection hole is provided on one side surface of the enclosure, and the connection hole is connected to one end of the exhaust assembly.

[0018] Preferably, the outer diameter of the piston head is the same as the inner diameter of the sampling tube, and the two are movably connected.

[0019] Preferably, the exhaust assembly includes a connecting pipe, which is arranged in the inner cavity of the connecting hole, a control valve is arranged at one end of the connecting pipe near the enclosure position, and a gas flow meter is arranged in the middle of the connecting pipe. Beneficial Effects

[0020] The utility model provides a natural gas pipeline with a natural gas sampling device. Compared with the prior art, it has the following beneficial effects:

[0021] The natural gas pipeline with the natural gas sampling device, when it is necessary to sample the natural gas, firstly install the gas guide component on the top surface of the natural gas pipeline, and then fix the gas extraction component on the top surface of the gas guide component, so that the natural gas pipeline can provide support for the gas guide component, because the gas inlet end of the gas guide component is connected to the inner cavity of the sampling hole, and the gas inlet end of the gas extraction component is conductively connected to the gas outlet end of the gas guide component, so that the gas guide component can lead out the natural gas in the gas pipeline through the sampling hole, and then the gas extraction component can take out the natural gas led out by the gas guide component;

[0022] Since an exhaust component is embedded and connected to the surface of one side of the gas extraction component, and the air inlet end of the exhaust component is conductively connected to the air outlet end of the gas extraction component, the exhaust component can discharge the natural gas gas extracted by the gas extraction component, and then the staff can sample the natural gas, so that the staff can analyze and detect the natural gas. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0024] Figure 2 This is a schematic diagram of the structure of the gas guide component of the utility model.

[0025] Figure 3 This is a schematic diagram of the bottom structure of the gas guide component of the utility model.

[0026] Figure 4 This is a schematic diagram of the structure of the air extraction component of the utility model.

[0027] Figure 5 This is a schematic diagram of the bottom structure of the air extraction component of the utility model.

[0028] Figure 6 This is a schematic diagram of the exhaust assembly structure of the utility model.

[0029] In the figure: 1. natural gas pipeline; 2. sampling hole; 3. gas guide assembly; 31. C-frame; 32. connecting plate; 33. through hole; 34. sampling tube; 35. first stabilizing sleeve; 36. second stabilizing sleeve; 37. filter; 4. gas extraction assembly; 41. enclosure; 42. cover plate; 43. electric telescopic rod; 44. piston head; 45. connecting hole; 46. gas concentration sensor; 5. exhaust assembly; 51. connecting pipe; 52. control valve; 53. gas flow meter. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] See also Figure 1-6 The utility model provides a technical solution: a natural gas pipeline with a natural gas sampling device, comprising a natural gas pipeline 1, a sampling hole 2 is opened at the center of the top of the natural gas pipeline 1, and also comprises: a gas guide component 3, the gas guide component 3 is arranged on the top surface of the natural gas pipeline 1, and the gas inlet end of the gas guide component 3 is connected to the inner cavity of the sampling hole 2, and the gas guide component 3 is used to guide the natural gas gas in the natural gas pipeline 1; a gas extraction component 4, the gas extraction component 4 is arranged on the top surface of the gas guide component 3, and the gas inlet end of the gas extraction component 4 is conductively connected to the gas outlet end of the gas guide component 3, and the gas extraction component 4 is used to extract the natural gas in the inner cavity of the natural gas pipeline 1; and an exhaust component 5, the exhaust component 5 is arranged on a side surface of the gas extraction component 4, and the gas inlet end of the exhaust component 5 is conductively connected to the gas outlet end of the gas extraction component 4, and the exhaust component 5 is used to exhaust the gas extracted from the gas extraction component 4;

[0032] When it is necessary to sample the natural gas, the gas guide component 3 is first installed on the top surface of the natural gas pipeline 1, and then the gas extraction component 4 is fixedly connected to the top surface of the gas guide component 3, so that the natural gas pipeline 1 can provide support for the gas guide component 3. Since the gas inlet end of the gas guide component 3 is connected to the inner cavity of the sampling hole 2, and the gas inlet end of the gas extraction component 4 is conductively connected to the gas outlet end of the gas guide component 3, the gas guide component 3 can guide the natural gas in the gas pipeline 1 through the sampling hole 2, and the gas extraction component 4 can take out the natural gas guided by the gas guide component 3. Since the exhaust component 5 is embedded and connected on one side surface of the gas extraction component 4, and the gas inlet end of the exhaust component 5 is conductively connected to the gas outlet end of the gas extraction component 4, the exhaust component 5 can discharge the natural gas taken out by the gas extraction component 4, so that the staff can sample the natural gas, so that the staff can analyze and detect the natural gas.

[0033] See also Figure 1 , Figure 2 , Figure 3The gas guide component 3 includes a connecting plate 32, and C-shaped frames 31 are provided at both ends of the connecting plate 32. The inner cavities of the two C-shaped frames 31 are respectively connected to the outer walls on both sides of the top of the natural gas pipeline 1; a through hole 33 is opened on the top surface of the connecting plate 32, and a sampling tube 34 is inserted into the inner cavity of the through hole 33. The bottom end of the sampling tube 34 is connected to the inner cavity of the sampling hole 2, and a first stabilizing sleeve 35 is fixedly provided on the outer side of the sampling tube 34 and near the top position, and the outer wall of the first stabilizing sleeve 35 is fixedly connected to the inner cavity of the through hole 33; a second stabilizing sleeve 36 is fixedly provided on the outer side of the sampling tube 34 and near the bottom position, and the outer wall of the second stabilizing sleeve 36 is fixedly connected to the inner cavity of the sampling hole 2, and a filter screen 37 is provided on the bottom surface of the sampling tube 34, and the filter screen 37 is used to filter impurities in the natural gas;

[0034] The connecting plate 32 in the gas guide component 3 can be fixedly connected to the top of the natural gas pipeline 1 and provide an installation foundation for the two C-frames 31. Since the inner cavity walls of the two C-frames 31 are connected to the outer walls on both sides of the top of the natural gas pipeline 1, the natural gas pipeline 1 can provide support for the two C-frames 31, and then the two C-frames 31 can provide support for the connecting plate 32, so as to improve the stability of the connecting plate 32. Since a through hole 33 is provided on the top surface of the connecting plate 32, and a sampling tube 34 is inserted into the inner cavity of the through hole 33, and the bottom end of the sampling tube 34 is connected to the inner cavity of the sampling hole 2, the natural gas can flow into the inner cavity of the sampling tube 34 through the sampling hole 2, and then the natural gas can flow into the inner cavity of the gas extraction component 4 through the sampling tube 34, so that the natural gas can be It flows into the inner cavity of the exhaust component 5 through the gas extraction component 4. Since a first stabilizing sleeve 35 is fixedly connected to the outside of the sampling tube 34 and near the top end, and the outer wall of the first stabilizing sleeve 35 is fixedly connected to the inner cavity of the through hole 33, and a second stabilizing sleeve 36 is fixedly connected to the outside of the sampling tube 34 and near the bottom end, and the outer wall of the second stabilizing sleeve 36 is fixedly connected to the inner cavity of the sampling hole 2, the first stabilizing sleeve 35 and the second stabilizing sleeve 36 can improve the stability of the sampling tube 34, thereby preventing the sampling tube 34 from falling off, so as to improve safety. Since a filter net 37 is fixedly connected to the bottom surface of the sampling tube 34, the filter net 37 can be used to filter impurities in the natural gas, thereby preventing impurities from entering the inner cavity of the sampling tube 34, so as to prevent the sampling tube 34 from being blocked.

[0035] See also Figure 1 , Figure 4 , Figure 5The gas extraction component 4 includes a baffle 41, which is arranged at the center of the top surface of the connecting plate 32, and the baffle 41 is located outside the through hole 33, and the bottom end of the baffle 41 is fixedly connected to the top surface of the connecting plate 32; a cover plate 42 is arranged at the top open end of the baffle 41, and an electric telescopic rod 43 is inlaid and connected at the center of the top surface of the cover plate 42, and a piston head 44 is arranged at the output end of the electric telescopic rod 43, and the piston head 44 is movably connected to the sampling tube 34; a gas concentration sensor is arranged on one side of the bottom surface of the cover plate 42, and the gas concentration sensor is used to detect the concentration of the extracted natural gas; a connecting hole 45 is opened on one side of the baffle 41, and the connecting hole 45 is connected to one end of the exhaust component 5, the outer diameter of the piston head 44 is the same as the inner diameter of the sampling tube 34, and the two are movably connected;

[0036] The enclosure 41 in the air extraction component 4 can be fixedly connected to the center of the top surface of the connecting plate 32, and can also provide a mounting base for the cover plate 42, so that the connecting plate 32 can provide support for the enclosure 41, and then the enclosure 41 can provide support for the cover plate 42. Since the center of the top surface of the cover plate 42 is embedded with an electric telescopic rod 43, and the output end of the electric telescopic rod 43 is fixedly connected to a piston head 44, and the piston head 44 is movably connected to the sampling tube 34, the output end of the electric telescopic rod 43 can be extended and retracted while driving the piston head 44 to move up and down, so that the piston head 44 can move up and down in the inner cavity of the sampling tube 34. The cover plate 42 is provided with a gas concentration sensor fixedly connected to one side of the bottom surface of the cover plate 42, so that the gas concentration sensor can detect the natural gas released by the piston head 44, thereby ensuring the concentration of the natural gas, so as to ensure the accuracy of the detection; a connecting hole 45 is provided on the surface of one side of the enclosure 41, and the connecting hole 45 is connected to one end of the exhaust component 5, so that the natural gas released by the piston head 44 can be discharged through the exhaust component 5, thereby enabling the staff to sample and test the discharged natural gas.

[0037] See also Figure 1 , Figure 6 The exhaust assembly 5 includes a connecting pipe 51, which is arranged in the inner cavity of the connecting hole 45, a control valve 52 is arranged at one end of the connecting pipe 51 and close to the enclosure 41, and a gas flow meter 53 is arranged in the middle of the connecting pipe 51;

[0038] The connecting pipe 51 in the exhaust component 5 can be embedded and connected in the inner cavity of the connecting hole 45, and can also provide an installation basis for the control valve 52, so that the control valve 52 can control the connecting pipe 51, and it is convenient for the staff to open and close it. Since a gas flow meter 53 is fixedly connected to the middle part of the connecting pipe 51, the gas flow meter 53 can detect the gas flowing through, and then monitor the natural gas flow discharged from the connecting pipe 51, so as to improve the convenience of sampling.

[0039] During operation, when it is necessary to sample the natural gas, the gas guide component 3 is first installed on the top surface of the natural gas pipeline 1, and then the gas extraction component 4 is fixedly connected to the top surface of the gas guide component 3, so that the natural gas pipeline 1 can provide support for the gas guide component 3. Since the gas inlet end of the gas guide component 3 is connected to the inner cavity of the sampling hole 2, and the gas inlet end of the gas extraction component 4 is conductively connected to the gas outlet end of the gas guide component 3, the gas guide component 3 can guide the natural gas in the gas pipeline 1 through the sampling hole 2, and the gas extraction component 4 can take out the natural gas guided by the gas guide component 3. Since the exhaust component 5 is embedded and connected on one side surface of the gas extraction component 4, and the gas inlet end of the exhaust component 5 is conductively connected to the gas outlet end of the gas extraction component 4, the exhaust component 5 can discharge the natural gas taken out by the gas extraction component 4, so that the staff can sample the natural gas, so that the staff can analyze and detect the natural gas.

[0040] The connecting plate 32 in the gas guide component 3 can be fixedly connected to the top of the natural gas pipeline 1 and provide an installation foundation for the two C-frames 31. Since the inner cavity walls of the two C-frames 31 are connected to the outer walls on both sides of the top of the natural gas pipeline 1, the natural gas pipeline 1 can provide support for the two C-frames 31, and then the two C-frames 31 can provide support for the connecting plate 32, so as to improve the stability of the connecting plate 32. Since a through hole 33 is provided on the top surface of the connecting plate 32, and a sampling tube 34 is inserted into the inner cavity of the through hole 33, and the bottom end of the sampling tube 34 is connected to the inner cavity of the sampling hole 2, the natural gas can flow into the inner cavity of the sampling tube 34 through the sampling hole 2, and then the natural gas can flow into the inner cavity of the gas extraction component 4 through the sampling tube 34, so that the natural gas can be It flows into the inner cavity of the exhaust component 5 through the gas extraction component 4. Since a first stabilizing sleeve 35 is fixedly connected to the outside of the sampling tube 34 and near the top end, and the outer wall of the first stabilizing sleeve 35 is fixedly connected to the inner cavity of the through hole 33, and a second stabilizing sleeve 36 is fixedly connected to the outside of the sampling tube 34 and near the bottom end, and the outer wall of the second stabilizing sleeve 36 is fixedly connected to the inner cavity of the sampling hole 2, the first stabilizing sleeve 35 and the second stabilizing sleeve 36 can improve the stability of the sampling tube 34, thereby preventing the sampling tube 34 from falling off, so as to improve safety. Since a filter net 37 is fixedly connected to the bottom surface of the sampling tube 34, the filter net 37 can be used to filter impurities in the natural gas, thereby preventing impurities from entering the inner cavity of the sampling tube 34, so as to prevent the sampling tube 34 from being blocked.

[0041] The enclosure 41 in the air extraction component 4 can be fixedly connected to the center of the top surface of the connecting plate 32, and can also provide a mounting base for the cover plate 42, so that the connecting plate 32 can provide support for the enclosure 41, and then the enclosure 41 can provide support for the cover plate 42. Since the center of the top surface of the cover plate 42 is embedded with an electric telescopic rod 43, and the output end of the electric telescopic rod 43 is fixedly connected to a piston head 44, and the piston head 44 is movably connected to the sampling tube 34, the output end of the electric telescopic rod 43 can be extended and retracted while driving the piston head 44 to move up and down, so that the piston head 44 can move up and down in the inner cavity of the sampling tube 34. The cover plate 42 is provided with a gas concentration sensor fixedly connected to one side of the bottom surface of the cover plate 42, so that the gas concentration sensor can detect the natural gas released by the piston head 44, thereby ensuring the concentration of the natural gas, so as to ensure the accuracy of the detection; a connecting hole 45 is provided on the surface of one side of the enclosure 41, and the connecting hole 45 is connected to one end of the exhaust component 5, so that the natural gas released by the piston head 44 can be discharged through the exhaust component 5, thereby enabling the staff to sample and test the discharged natural gas.

[0042] The connecting pipe 51 in the exhaust component 5 can be embedded and connected in the inner cavity of the connecting hole 45, and can also provide an installation basis for the control valve 52, so that the control valve 52 can control the connecting pipe 51, and it is convenient for the staff to open and close it. Since a gas flow meter 53 is fixedly connected to the middle part of the connecting pipe 51, the gas flow meter 53 can detect the gas flowing through, and then monitor the natural gas flow discharged from the connecting pipe 51, so as to improve the convenience of sampling.

[0043] In summary, the device can not only perform sampling and concentration testing on natural gas, but also enable the staff to control the discharge of natural gas and monitor the discharge flow, thereby ensuring the accuracy and reliability of sampling, and further improving the convenience of equipment sampling.

[0044] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A natural gas pipeline with a natural gas sampling device, comprising a natural gas pipeline (1), wherein a sampling hole (2) is provided at the center of the top of the natural gas pipeline (1), and wherein: Also includes: An air guide component (3), the air guide component (3) being arranged on the top surface of the natural gas pipeline (1), and the air inlet end of the air guide component (3) being connected to the inner cavity of the sampling hole (2), the air guide component (3) being used to guide the natural gas in the natural gas pipeline (1); A gas extraction component (4), the gas extraction component (4) being arranged on the top surface of the gas guide component (3), and the gas inlet end of the gas extraction component (4) being conductively connected to the gas outlet end of the gas guide component (3), the gas extraction component (4) being used to extract natural gas from the inner cavity of the natural gas pipeline (1); and An exhaust component (5), the exhaust component (5) being arranged on a side surface of the air intake component (4), and the air inlet end of the exhaust component (5) being conductively connected to the air outlet end of the air intake component (4), the exhaust component (5) being used to exhaust the gas extracted from the air intake component (4).

2. A natural gas pipeline with a natural gas sampling device according to claim 1, characterized in that: The gas guide assembly (3) comprises a connecting plate (32), both ends of the connecting plate (32) are provided with C-shaped frames (31), and the inner cavities of the two C-shaped frames (31) are respectively connected to the outer walls on both sides of the top of the natural gas pipeline (1); A through hole (33) is provided on the top surface of the connecting plate (32), a sampling tube (34) is inserted into the inner cavity of the through hole (33), and the bottom end of the sampling tube (34) is conductively connected to the inner cavity of the sampling hole (2).

3. A natural gas pipeline with a natural gas sampling device according to claim 2, characterized in that: A first stabilizing sleeve (35) is fixedly arranged outside the sampling tube (34) and close to the top end, and the outer wall of the first stabilizing sleeve (35) is fixedly connected to the inner cavity of the through hole (33); A second stabilizing sleeve (36) is fixedly arranged outside the sampling tube (34) and close to the bottom end, and the outer wall of the second stabilizing sleeve (36) is fixedly connected to the inner cavity of the sampling hole (2).

4. A natural gas pipeline with a natural gas sampling device according to claim 3, characterized in that: A filter screen (37) is provided on the bottom surface of the sampling tube (34), and the filter screen (37) is used to filter impurities in the natural gas.

5. The natural gas pipeline with a natural gas sampling device according to claim 2, characterized in that: The air extraction assembly (4) comprises a baffle (41), the baffle (41) being arranged at a central position on the top surface of the connecting plate (32), and the baffle (41) being located outside the through hole (33), and the bottom end of the baffle (41) being fixedly connected to the top surface of the connecting plate (32); The top open end of the enclosure (41) is provided with a cover plate (42), the top surface of the cover plate (42) is embedded with an electric telescopic rod (43) at a central position, the output end of the electric telescopic rod (43) is provided with a piston head (44), and the piston head (44) is movably connected to the sampling tube (34); A gas concentration sensor is provided on one side of the bottom surface of the cover plate (42), and the gas concentration sensor is used to detect the concentration of the extracted natural gas; A connection hole (45) is provided on a surface of one side of the enclosure (41), and the connection hole (45) is connected to one end of the exhaust assembly (5).

6. A natural gas pipeline with a natural gas sampling device according to claim 5, characterized in that: The outer diameter of the piston head (44) is the same as the inner diameter of the sampling tube (34), and the two are movably plug-connected.

7. The natural gas pipeline with a natural gas sampling device according to claim 5, characterized in that: The exhaust assembly (5) comprises a connecting pipe (51), the connecting pipe (51) being arranged in the inner cavity of the connecting hole (45), a control valve (52) being arranged at one end of the connecting pipe (51) and close to the enclosure (41), and a gas flow meter (53) being arranged in the middle of the connecting pipe (51).

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