CN213272066U

CN213272066U - Natural gas pipeline with natural gas sampling device

Info

Publication number: CN213272066U
Application number: CN202022084256.9U
Authority: CN
Inventors: 樊春明; 周秀娟
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-25
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a natural gas pipeline with natural gas sampling device, including natural gas pipeline body, the sampling tube, the gas-supply pipe, natural gas pipe wall and sealed fixed establishment, be equipped with the through-hole on the natural gas pipe wall, the bottom of sampling tube is linked together through-hole and natural gas pipeline body's inside, the laminating of the outer top surface of sampling tube is fixed with the third sealing washer, the outside top of sampling tube and third sealing washer is run through from top to bottom has the movable rod, the top of movable rod extends to the outside of sampling tube and is fixed with the movable handle, the bottom of movable rod extends to the inside of sampling tube and welds and has the stopcock, the stopcock supports the inner wall of pasting in the sampling tube and passes through movable rod and sampling tube sliding connection; set up movable handle, drive the stopcock through the movable rod and support the motion from top to bottom at the inner wall of sampling tube for the adnexed impurity of sampling tube inner wall is struck off, and the air current in the sampling tube is taken out about being driven an organic whole simultaneously, and the unobstructed flow of natural gas in the sampling tube of being convenient for has improved sampling efficiency.

Description

Natural gas pipeline with natural gas sampling device

Technical Field

The utility model relates to a natural gas line especially relates to a natural gas line with natural gas sampling device.

Background

The natural gas pipeline refers to a pipeline for conveying natural gas from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and is a way for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world.

However, in the existing natural gas pipeline with the natural gas sampling device on the market, more impurities are easily attached to the sampling pipe during sampling, and due to the structure, the impurities are difficult to scrape off, and the natural gas in the sampling pipe easily flows unsmoothly during sampling, so that the natural gas pipeline with the natural gas sampling device is provided.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a natural gas line with natural gas sampling device can utilize reciprocating of stopcock to strike off the adnexed impurity of sampling tube inner wall, and the natural gas an organic whole that drives in the sampling tube through reciprocating of stopcock in addition removes for the natural gas is more unobstructed in the intraductal flow of sampling.

The utility model provides a following technical scheme: the utility model provides a natural gas pipeline with natural gas sampling device, includes natural gas pipeline body, sampling tube, gas-supply pipe, natural gas pipeline wall and sealed fixed establishment, be equipped with the through-hole on the natural gas pipeline wall, the bottom of sampling tube is linked together through the inside of through-hole with the natural gas pipeline body, the outer top surface laminating of sampling tube is fixed with the third sealing washer, the outside top of sampling tube and third sealing washer is all run through from top to bottom has the movable rod, the top of movable rod extends to the outside of sampling tube and is fixed with movable handle, the bottom of movable rod extends to the inside and the welding of sampling tube has the stopcock, the stopcock supports and pastes in the inner wall of sampling tube and through movable rod and sampling tube sliding connection.

As a preferred technical scheme of the utility model, the natural gas pipe wall passes through the viscose and is connected with the sampling tube, be equipped with first sealing washer in the natural gas pipe wall, sealed fixed establishment includes welding circle and second sealing washer, the outside of through-hole is located to the welding circle ring, the second sealing washer is fixed in the top of welding circle, the top of second sealing washer is equipped with the flange, be equipped with the bolt on the flange, the flange passes through the bolt and is fixed with the natural gas pipe wall, the sampling tube is pegged graft in flange, second sealing washer, welding circle and first sealing washer in proper order.

As an optimized technical scheme of the utility model, the bottom port of sampling tube is the type of beveling, the bottom of sampling tube is equipped with the filter screen.

As an optimal technical scheme of the utility model, the bottom of flange is equipped with the packing ring, the bolt runs through in the packing ring from top to bottom.

As a preferred technical scheme of the utility model, outside one side intercommunication of sampling tube has the gas-supply pipe, the one end surface that the gas-supply pipe is close to the sampling tube is equipped with control valve, pressure boost gas transmission pump and gas flowmeter in proper order.

As an optimized technical scheme of the utility model, the material of stopcock is rubber, the even coating in surface of stopcock has the teflon.

As a preferred technical scheme of the utility model, the gas-supply pipe passes through threaded connection with the control valve.

As an optimal technical scheme of the utility model, the interior top surface of sampling tube is fixed with the blotter, the stopcock is located the bottom of blotter, the material of packing ring and blotter is rubber, the surface of activity handle is equipped with anti-skidding line.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the movable handle is arranged, the movable rod drives the movable bolt to move up and down in a butting mode on the inner wall of the sampling tube, so that impurities attached to the inner wall of the sampling tube are scraped, meanwhile, air flow in the sampling tube is driven to be integrally drawn up and down, natural gas in the sampling tube can flow smoothly, and sampling efficiency is improved;

2. set up first sealing washer, seal the bottom and the natural gas pipe wall of sampling tube, set up the welding circle, fix the junction of sampling tube and natural gas pipe wall, set up the second sealing washer, seal the junction of sampling tube and natural gas pipe wall and handle to set up the flange, support and fix the position of sampling tube, make it keep steady vertical state, the sample of being convenient for has increased the stability of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a part of the stopcock of the present invention;

FIG. 3 is a schematic view of the structure of the filter screen of the present invention;

wherein: 1. a natural gas pipeline body; 2. a sampling tube; 3. a gas delivery pipe; 4. a control valve; 5. a pressurizing gas transmission pump; 6. a gas flow meter; 7. a flange; 8. a bolt; 9. a gasket; 10. a first seal ring; 11. welding a ring; 12. a second seal ring; 13. a natural gas pipe wall; 14. a stopcock; 15. a movable handle; 16. a movable rod; 17. a third seal ring; 18. a cushion pad; 19. and (5) filtering by using a filter screen.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-2, a natural gas pipeline with a natural gas sampling device, including a natural gas pipeline body 1, a sampling tube 2, a gas pipe 3, a natural gas pipe wall 13 and a sealing and fixing mechanism, a through hole is provided on the natural gas pipe wall 13, the bottom end of the sampling tube 2 is communicated with the inside of the natural gas pipeline body 1 through the through hole, a third sealing ring 17 is attached and fixed on the outer top surface of the sampling tube 2, movable rods 16 penetrate through the top ends of the outside of the sampling tube 2 and the third sealing ring 17 from top to bottom, the top end of the movable rod 16 extends to the outside of the sampling tube 2 and is fixed with a movable handle 15, the bottom end of the movable rod 16 extends to the inside of the sampling tube 2 and is welded with a movable bolt 14, the movable bolt 14 abuts against the inner wall of the sampling tube 2 and is connected with;

when the device is used for sampling natural gas in the sampling pipe 2, if the sampling process is blocked, a worker holds the movable handle 15, so that the movable handle 15 drives the movable bolt 14 to abut against the inner wall of the sampling pipe 2 through the movable rod 16 to move up and down, the third sealing ring 17 vertically corrects the position of the movable rod 16, and the operation is finished;

set up movable handle 15, drive stopcock 14 through movable rod 16 and paste the motion from top to bottom at the inner wall of sampling tube 2 for 2 inner walls of sampling tube adnexed impurity are struck off, and the air current in the sampling tube 2 is pulled out from top to bottom by driving an organic whole simultaneously, and the unobstructed flow of natural gas in the sampling tube 2 of being convenient for has improved sampling efficiency.

As shown in fig. 1-2, in another embodiment, the embodiment discloses a sealing and fixing manner for a sampling tube 2, a natural gas tube wall 13 is connected with the sampling tube 2 through an adhesive, a first sealing ring 10 is arranged in the natural gas tube wall 13, a sealing and fixing mechanism includes a welding ring 11 and a second sealing ring 12, the welding ring 11 is annularly arranged on the outer side of a through hole, the second sealing ring 12 is fixed at the top end of the welding ring 11, a flange 7 is arranged at the top end of the second sealing ring 12, a bolt 8 is arranged on the flange 7, the flange 7 is fixed with the natural gas tube wall 13 through the bolt 8, and the sampling tube 2 is sequentially inserted into the flange 7, the second sealing ring 12, the welding ring 11 and the first sealing;

when the sampling device is used, the first sealing ring 10 is arranged on the natural gas pipe wall 13 in advance, the welding ring 11, the second sealing ring 12 and the flange 7 are sequentially and tightly arranged on the connecting peripheral side of the sampling pipe 2 and the natural gas pipe wall 13, the bolt 8 on the flange 7 is screwed, and the operation is finished;

set up first sealing washer 10, seal the bottom of sampling tube 2 and natural gas pipe wall 13, set up welding ring 11, fix sampling tube 2 and natural gas pipe wall 13's junction, set up second sealing washer 12, seal the junction of sampling tube 2 and natural gas pipe wall 13 and handle, and set up flange 7, support and fix the position of sampling tube 2, make it keep steady vertical state, be convenient for sample, the stability of device has been increased.

As shown in fig. 1 to 3, in another embodiment, the present embodiment discloses a shape and a structure of a bottom end port of a sampling tube 2, the bottom end port of the sampling tube 2 is a bevel-cut type, and a filter screen 19 is disposed at the bottom end of the sampling tube 2;

establish the port of 2 bottoms of sampling tube into the chamfer type, increased the area of contact of 2 bottoms of sampling tube and natural gas, increased sampling rate, set up filter screen 19, prevent in the natural gas impurity of adulteration from getting into sampling tube 2 for sampling tube 2 takes place to block up, has influenced the sampling process.

As shown in fig. 1, in another embodiment, this embodiment discloses a protection manner for the bottom end of the flange 7, a washer 9 is disposed at the bottom end of the flange 7, and a bolt 8 penetrates the washer 9 up and down; the pressure on the bottom end of the flange 7 is buffered.

As shown in fig. 1-2, in another embodiment, the present embodiment discloses a structure of the surface of a gas pipe 3, one side of the outside of a sampling pipe 2 is communicated with the gas pipe 3, and the surface of one end of the gas pipe 3, which is close to the sampling pipe 2, is sequentially provided with a control valve 4, a pressurization gas pump 5 and a gas flowmeter 6;

set up control valve 4, be convenient for control opening and closing of gas-supply pipe 3, set up pressure boost gas transmission pump 5, through the pressure boost, the flow rate of natural gas when increasing gas-supply pipe 3 and taking a sample the gas transmission for the sample process sets up gas flowmeter 6, is convenient for measure the natural gas flow of gas-supply pipe 3 gas transmission.

As shown in fig. 1-2, in another embodiment, the present embodiment discloses a material and a structure of the stopcock 14, the material of the stopcock 14 is rubber, and the surface of the stopcock 14 is uniformly coated with teflon; the Teflon has extremely low friction coefficient, excellent corrosion resistance and wear resistance, is convenient for the stopcock 14 to slide, is not easy to corrode, and prolongs the service life of the device.

As shown in FIG. 1, in another embodiment, the embodiment discloses a connection mode of the air pipe 3 and the control valve 4, wherein the air pipe 3 is connected with the control valve 4 through threads; the gas pipe 3 is convenient to disassemble, and the inside of the gas pipe 3 is convenient to clean.

As shown in fig. 1, in another embodiment, this embodiment discloses a protection manner for the inner top surface of the sampling tube 2 and a structure of the movable handle 15, a buffer 18 is fixed on the inner top surface of the sampling tube 2, the stopcock 14 is located at the bottom end of the buffer 18, the gasket 9 and the buffer 18 are made of rubber, and the surface of the movable handle 15 is provided with anti-skid threads;

the inner top surface of the sampling tube 2 is provided with the cushion pad 18 made of rubber materials, so that the stopcock 14 is prevented from colliding with the inner top surface of the sampling tube 2, the sampling tube 2 is damaged, the anti-slip lines on the surface of the movable handle 15 increase the friction force of the movable handle 15, and the operation is convenient.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a natural gas line with natural gas sampling device, includes natural gas line body (1), sampling tube (2), gas-supply pipe (3), natural gas pipe wall (13) and sealed fixed establishment, its characterized in that: the sampling device is characterized in that a through hole is formed in the wall (13) of the natural gas pipe, the bottom end of the sampling pipe (2) is communicated with the inside of the natural gas pipeline body (1) through the through hole, a third sealing ring (17) is attached and fixed to the outer top surface of the sampling pipe (2), movable rods (16) penetrate through the top ends of the outside of the sampling pipe (2) and the outside of the third sealing ring (17) vertically, the top ends of the movable rods (16) extend to the outside of the sampling pipe (2) and are fixed with movable handles (15), the bottom ends of the movable rods (16) extend to the inside of the sampling pipe (2) and are welded with movable bolts (14), and the movable bolts (14) abut against the inner wall of the sampling pipe (2) and are connected with the sampling pipe (2) in a sliding mode through the movable rods (;

the utility model discloses a sampling tube, including natural gas pipe wall (13), through the viscose and sampling tube (2), be equipped with first sealing washer (10) in natural gas pipe wall (13), sealed fixed establishment includes welding ring (11) and second sealing washer (12), the outside of through-hole is located to welding ring (11) ring, second sealing washer (12) are fixed in the top of welding ring (11), the top of second sealing washer (12) is equipped with flange (7), be equipped with bolt (8) on flange (7), flange (7) are fixed with natural gas pipe wall (13) through bolt (8), grafting in flange (7), second sealing washer (12), welding ring (11) and first sealing washer (10) in proper order sampling tube (2).

2. A natural gas pipeline having a natural gas sampling device as claimed in claim 1, wherein: the bottom port of sampling tube (2) is the chamfer type, the bottom of sampling tube (2) is equipped with filter screen (19).

3. A natural gas pipeline having a natural gas sampling device as claimed in claim 1, wherein: the bottom of flange (7) is equipped with packing ring (9), bolt (8) run through in packing ring (9) from top to bottom.

4. A natural gas pipeline having a natural gas sampling device as claimed in claim 1, wherein: the sampling tube is characterized in that one side of the outer portion of the sampling tube (2) is communicated with a gas conveying pipe (3), and a control valve (4), a pressurization gas conveying pump (5) and a gas flowmeter (6) are sequentially arranged on the surface of one end, close to the sampling tube (2), of the gas conveying pipe (3).

5. A natural gas pipeline having a natural gas sampling device as claimed in claim 1, wherein: the material of stopcock (14) is rubber, the surface of stopcock (14) evenly coats and has the teflon.

6. A natural gas pipeline having a natural gas sampling device as claimed in claim 1, wherein: the gas transmission pipe (3) is connected with the control valve (4) through threads.

7. A natural gas pipeline having a natural gas sampling device as claimed in claim 3, wherein: a buffer pad (18) is fixed on the inner top surface of the sampling tube (2), the stopcock (14) is located at the bottom end of the buffer pad (18), the gasket (9) and the buffer pad (18) are made of rubber, and anti-skid lines are arranged on the surface of the movable handle (15).