CN220706771U - Anti-freezing blocking device for natural gas production pipeline - Google Patents

Abstract

The utility model provides a natural gas production pipeline prevents frostbite and blocks up device, relates to the natural gas transportation field, including the protection pipe, the protection pipe comprises two sets of semicircular shell, two sets of semicircular shell is rotated through the hinge and is linked together, semicircular shell inner wall surface is equipped with the gasbag, gasbag inner wall surface is equipped with the heat preservation cotton, protection pipe both ends all threaded connection has the end cap, the end cap comprises two sets of semicircular cover plates, the spacing groove has been seted up to semicircular cover plate inner wall surface, spacing groove inner chamber paste has the cotton pad, two sets of semicircular shell keep away from one side of hinge and be equipped with concatenation draw-in groove and concatenation socket respectively; this novel support heat preservation cotton through the gasbag, can make heat preservation cotton hug closely at natural gas pipeline surface, can promote the heat preservation effect to natural gas pipeline, seals the protective tube both ends through the end cap, can constitute closed structure through heat preservation cotton and cotton pad, and reducible natural gas pipeline's exposes, makes the heat preservation effect to natural gas pipeline better.

Description

Anti-freezing blocking device for natural gas production pipeline

Technical Field

The utility model relates to the field of natural gas conveying, in particular to an anti-freezing and blocking device for a natural gas production pipeline.

Background

The natural gas production pipeline is mainly used for conveying natural gas, due to the change of flow state and environmental temperature, condensed water can be generated in the pipeline, the condensed water is gradually accumulated and frozen in a low-temperature environment, and the gas production pipeline can be frozen and blocked, so that gas transmission work is hindered.

The existing natural gas pipeline keeps warm through being equipped with heat preservation device at the surface cover in the transportation process, heat preservation device is the bare state generally to its both ends after the installation to freeze stifled in two sets of heat preservation device junctions easily, and natural gas pipeline inner wall thickness also can slightly be different, can't pack heat preservation cotton and the abundant laminating in the pipeline surface together after installing heat preservation device, when air enters into between heat preservation cotton and the pipeline surface, still can lead to taking place to freeze stifled phenomenon, in order to solve above-mentioned problem, proposes an anti-freezing stifled device of natural gas production pipeline in this application.

Disclosure of Invention

Object of the utility model

In order to solve the technical problems in the background art, the utility model provides the anti-freezing and plugging device for the natural gas production pipeline, which supports heat preservation cotton through an air bag, can enable the heat preservation cotton to be clung to the surface of the natural gas pipeline, can improve the heat preservation effect on the natural gas pipeline, seals two ends of a protection pipe through an end cap, can form a closed structure through the heat preservation cotton and a cotton pad, can reduce the exposure of the natural gas pipeline, and enables the heat preservation effect on the natural gas pipeline to be better.

(II) technical scheme

In order to solve the problems, the utility model provides an anti-freezing and plugging device for a natural gas production pipeline, which comprises a protection pipe, wherein the protection pipe is composed of two groups of semicircular shells, the two groups of semicircular shells are connected through hinge rotation, an air bag is arranged on the inner wall surface of the semicircular shells, heat insulation cotton is arranged on the inner wall surface of the air bag, end caps are connected with the two ends of the protection pipe in a threaded manner, each end cap is composed of two groups of semicircular cover plates, a limiting groove is formed in the inner wall surface of each semicircular cover plate, and a cotton pad is adhered to the inner cavity of each limiting groove.

Preferably, one side of the semicircular shell far away from the hinge is respectively provided with a splicing clamping groove and a splicing socket, and the splicing clamping grooves and the splicing sockets are mutually spliced.

Preferably, one group of the semicircular shell surfaces are provided with lock hooks at equal intervals, and the other group of the semicircular shell surfaces are provided with lock catches at equal intervals.

Preferably, the surface of the semicircular shell is provided with an inflating nozzle, and the inflating nozzle is connected with the air bag.

Preferably, the semicircular cover plate surface is integrally formed with a thread seat.

Preferably, the surface of both ends of the protection pipe is provided with a thread groove, and the thread groove is connected with the thread seat in a thread way.

Preferably, the surface of the semicircular cover plate is symmetrically provided with fixing holes, and the inner cavities of the fixing holes are connected with fixing screws in a threaded manner.

The technical scheme of the utility model has the following beneficial technical effects:

1. the utility model discloses an inflation nozzle can be to the gasbag in, and the gasbag is inflated after inflation, supports through to the heat preservation cotton, can make the heat preservation cotton hug closely on natural gas pipeline surface, can promote the heat preservation effect to natural gas pipeline, also promotes the stability to the installation of protective tube simultaneously, avoids the protective tube to take place to rock.

2. This novel end cap seals the protective tube both ends, can constitute closed structure through heat preservation cotton and cotton pad, and reducible natural gas line's exposes, makes the heat preservation effect to natural gas line better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a protective tube according to the present utility model;

FIG. 3 is a schematic view of the end cap of the present utility model.

Reference numerals:

1. a protective tube; 2. a semicircular shell; 3. a hinge; 4. a splicing clamping groove; 5. splicing the sockets; 6. a latch hook; 7. locking; 8. thermal insulation cotton; 9. an air bag; 10. an air charging nozzle; 11. a thread groove; 12. an end cap; 13. a semicircular cover plate; 14. a screw seat; 15. a limit groove; 16. cotton pad.

Detailed Description

The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the utility model. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present utility model.

As shown in fig. 1-3, the anti-freezing and plugging device for the natural gas production pipeline provided by the utility model comprises a protection pipe 1, wherein the protection pipe 1 is composed of two groups of semicircular shells 2, the two groups of semicircular shells 2 are rotationally connected through a hinge 3, an air bag 9 is arranged on the inner wall surface of the semicircular shells 2, heat preservation cotton 8 is arranged on the inner wall surface of the air bag 9, end caps 12 are connected with two ends of the protection pipe 1 in a threaded manner, the end caps 12 are composed of two groups of semicircular cover plates 13, a limiting groove 15 is formed in the inner wall surface of each semicircular cover plate 13, and a cotton pad 16 is adhered to the inner cavity of each limiting groove 15.

It should be noted that, the inner cavity of the protection tube 1 is attached to the surface of the natural gas pipeline through the heat insulation cotton 8, the heat insulation effect can be achieved on the natural gas pipeline through the heat insulation cotton 8, the freezing and blocking phenomenon in the pipeline is avoided, the air bag 9 can be inflated through the air charging nozzle 10, the air bag 9 is inflated and then expanded, the heat insulation cotton 8 can be tightly attached to the surface of the natural gas pipeline through supporting the heat insulation cotton 8, the heat insulation effect on the natural gas pipeline can be improved, meanwhile, the stability of the installation of the protection tube 1 is also improved, the shaking of the protection tube 1 is avoided, the two ends of the protection tube 1 are sealed through the end caps 12, the closed structure can be formed through the heat insulation cotton 8 and the cotton pads 16, the exposure of the natural gas pipeline can be reduced, the heat insulation effect on the natural gas pipeline is better,

in an alternative embodiment, two groups of semicircular shells 2 are respectively provided with a splicing clamping groove 4 and a splicing socket 5 on one side far away from the hinge 3, the splicing clamping grooves 4 and the splicing sockets 5 are mutually spliced, one group of semicircular shells 2 are provided with lock hooks 6 at equal intervals, and the other group of semicircular shells 2 are provided with lock catches 7 at equal intervals.

It should be noted that, the two groups of semicircular shells 2 can be fixed by hooking the lock hook 7 and the lock catch 6, and the spliced positions of the semicircular shells 2 can be better in tightness by mutually interlocking the splicing clamping groove 4 and the splicing socket 5, so that water is prevented from penetrating into the protective tube 1.

In an alternative embodiment, the surface of the semicircular shell 2 is provided with an air charging nozzle 10, and the air charging nozzle 10 is connected with the air bag 9.

The airbag 9 is inflated through the inflation nozzle 10, and the airbag 9 is inflated after inflation.

In an alternative embodiment, the surface of the semicircular cover plate 13 is integrally formed with a threaded seat 14, the surfaces of the two ends of the protection tube 1 are provided with threaded grooves 11, the threaded grooves 11 are in threaded connection with the threaded seat 14, the surface of the semicircular cover plate 13 is symmetrically provided with fixing holes, and the inner cavities of the fixing holes are in threaded connection with fixing screws.

It should be noted that, two sets of semicircular cover plates 13 are spliced together to form the end cap 12, and the two sets of semicircular cover plates 13 are fixed by a fixed screw rod.

According to the utility model, the semicircular shell 2 is sleeved on the surface of a natural gas pipeline, the semicircular shell 2 can be spliced into the protective pipe 1 through the rotation of the hinge 3, so that the protective pipe 1 can be sleeved on the surface of the natural gas pipeline, the two groups of semicircular shells 2 can be fixed through the hooking connection of the lock hook 7 and the lock catch 6, the spliced position of the semicircular shells 2 can be better sealed through the mutual engagement of the splicing clamping groove 4 and the splicing socket 5, water liquid is prevented from penetrating into the protective pipe 1, the inner cavity of the protective pipe 1 is attached to the surface of the natural gas pipeline through the heat-insulating cotton 8, the natural gas pipeline can be insulated through the heat-insulating cotton 8, the freezing blocking phenomenon in the pipeline is avoided, the air bag 9 can be inflated through the inflation nozzle 10, the air bag 9 is inflated and then expanded, the heat-insulating cotton 8 is supported, the heat-insulating cotton 8 can be tightly attached to the surface of the natural gas pipeline, the heat-insulating effect of the natural gas pipeline is improved, meanwhile, the stability of the installation of the protective pipe 1 is also improved, the shaking of the protective pipe 1 is avoided, the two groups of semicircular cover plates 13 are spliced together to form an end cap 12, the two groups of semicircular cover plates 12 are fixed through the fixing cotton rod 12, the inner cavity is attached to the surface of the natural gas pipeline through the heat-insulating cotton 8, the heat-insulating cotton cover plate 12 is connected with the thread seat 11 through the thread groove 11, the heat-insulating cotton cover plate 12 and the heat-insulating end cap 16 can be sealed, the heat-insulating end cap 16 is better, and the heat-insulating effect can be sealed, and the natural gas pipeline can be sealed, and the heat insulating air pipe can be sealed.

Claims (7)

1. The utility model provides a natural gas production pipeline anti-freezing and blocking device, includes protection pipe (1), its characterized in that, protection pipe (1) comprises two sets of semicircular shell body (2), two sets of semicircular shell body (2) are rotated through hinge (3) between and are linked to each other, semicircular shell body (2) inner wall surface is equipped with gasbag (9), gasbag (9) inner wall surface is equipped with heat preservation cotton (8), equal threaded connection in protection pipe (1) both ends has end cap (12), end cap (12) are constituteed by two sets of semicircular cover plate (13), spacing groove (15) have been seted up to semicircular cover plate (13) inner wall surface, cotton pad (16) are pasted to spacing groove (15) inner chamber.

2. The natural gas production pipeline anti-freezing and plugging device according to claim 1, wherein one side, far away from the hinge (3), of the two groups of semicircular shells (2) is respectively provided with a splicing clamping groove (4) and a splicing socket (5), and the splicing clamping grooves (4) and the splicing sockets (5) are mutually spliced.

3. The natural gas production pipeline anti-freezing and blocking device according to claim 1, wherein one group of semicircular shells (2) is provided with lock hooks (6) at equal intervals, and the other group of semicircular shells (2) is provided with lock catches (7) at equal intervals.

4. The natural gas production pipeline anti-freezing and blocking device according to claim 1, wherein the surfaces of the semicircular shells (2) are provided with air charging nozzles (10), and the air charging nozzles (10) are connected with an air bag (9).

5. The natural gas production pipeline anti-freezing and plugging device according to claim 1, wherein the surface of the semicircular cover plate (13) is integrally formed with a threaded seat (14).

6. The anti-freezing and anti-blocking device for the natural gas production pipeline according to claim 5, wherein the two end surfaces of the protection pipe (1) are provided with thread grooves (11), and the thread grooves (11) are connected with the thread seat (14) in a threaded manner.

7. The anti-freezing and blocking device for the natural gas production pipeline according to claim 1, wherein the surface of the semicircular cover plate (13) is symmetrically provided with fixing holes, and the inner cavities of the fixing holes are connected with fixing screws in a threaded manner.