CN212868791U - Pipeline for conveying natural gas - Google Patents
Pipeline for conveying natural gas Download PDFInfo
- Publication number
- CN212868791U CN212868791U CN202021618746.6U CN202021618746U CN212868791U CN 212868791 U CN212868791 U CN 212868791U CN 202021618746 U CN202021618746 U CN 202021618746U CN 212868791 U CN212868791 U CN 212868791U
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- China
- Prior art keywords
- layer
- pipe
- functional layer
- natural gas
- metal mesh
- Prior art date
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 72
- 239000003345 natural gas Substances 0.000 title claims abstract description 36
- 239000010410 layer Substances 0.000 claims abstract description 76
- 239000002346 layers by function Substances 0.000 claims abstract description 50
- 229910052751 metal Inorganic materials 0.000 claims abstract description 48
- 239000002184 metal Substances 0.000 claims abstract description 48
- 239000011248 coating agent Substances 0.000 claims abstract description 20
- 238000000576 coating method Methods 0.000 claims abstract description 20
- 238000004321 preservation Methods 0.000 claims abstract description 19
- 239000005030 aluminium foil Substances 0.000 claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 15
- 229910052782 aluminium Inorganic materials 0.000 claims description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 14
- 239000011888 foil Substances 0.000 claims description 14
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 9
- 239000002131 composite material Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000009413 insulation Methods 0.000 claims 2
- 239000012528 membrane Substances 0.000 claims 2
- 241000238631 Hexapoda Species 0.000 abstract description 7
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 230000035929 gnawing Effects 0.000 abstract 1
- 230000006798 recombination Effects 0.000 abstract 1
- 238000005215 recombination Methods 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 241000699666 Mus <mouse, genus> Species 0.000 description 3
- 241000699670 Mus sp. Species 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000002759 woven fabric Substances 0.000 description 3
- 241000257303 Hymenoptera Species 0.000 description 2
- 238000013329 compounding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pipeline for natural gas transportation, including the pipeline main part, the pipeline main part comprises PE pipe, functional layer and PET wearing layer, PE pipe outer wall surface bonds there is the functional layer, functional layer outer wall surface recombination has the PET wearing layer, the functional layer is woven cloth complex film, heat preservation, first metal mesh layer, PVC protection film, second metal mesh layer and the compound formation of aluminium foil antirust film by the aluminium foil, the utility model discloses a functional layer can protect the PE pipe to can improve the structural strength of PE pipe, and the functional layer can prevent again that the PE pipe from being damaged by insect ant, mouse gnawing, improved the holistic safe in utilization of pipeline main part and safety, and first anticorrosive coating and second anticorrosive coating can reduce the corruption of natural gas and external environment to the pipeline main part again, improve the life of pipeline main part.
Description
Technical Field
The utility model relates to a pipeline equipment technical field specifically is a pipeline for natural gas transportation.
Background
China was the earliest country using wood-bamboo pipes to transport natural gas. Before 1600 years ago and later, the province artesian well gas field in Sichuan not only lays pipelines on the flat ground, but also ' climbs the mountain and enters the ground when the high person climbs ' and ' furrows are dug at the bottom of the river, and a chiseling is arranged on the groove. Modern natural gas transportation pipelines in China mostly concentrate on the main producing areas of natural gas, Sichuan provinces. In 1963, a first Chongqing gas transmission pipeline is built, the pipe diameter is 426 millimeters, and the total length is 54.7 kilometers. By 1983, a gas transmission pipeline network for communicating all provinces from Chongqing, Luzhou, Weiyuan to Chengdu, Deyang and the like in the east of Sichuan province is built, the pipe diameter is 426-720 mm, the total length is 2,200 kilometers, 178 seats of a gas collection and distribution station are arranged, and the annual output is 50 billion-60 billion cubic meters.
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) 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, the conventional natural gas transportation pipeline has the following disadvantages:
when the existing pipeline for natural gas transportation is used, the pipeline is easily bitten and corroded by insects, ants and mice due to insufficient structural strength of the pipeline, so that the pipeline is damaged, the service life of the pipeline is shortened, and potential safety hazards are easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline for natural gas transportation to current pipeline for natural gas transportation in solving above-mentioned background art is when using, because self structural strength is not enough, thereby makes the pipeline gnaw by insect ant, mouse easily, and then leads to the pipeline to damage, has reduced the life of pipeline, causes the potential safety hazard again easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pipeline for natural gas transportation, includes pipeline main body, pipeline main body comprises PE pipe, functional layer and PET wearing layer, PE pipe outer wall surface bonds there is the functional layer, functional layer outer wall surface complex has the PET wearing layer, the functional layer is formed by aluminium foil woven cloth complex film, heat preservation, first metal mesh layer, PVC protection film, second metal mesh layer and the compound aluminium foil antirust film, through the functional layer, can protect the PE pipe to can improve the structural strength of PE pipe, and the functional layer can prevent again that the PE pipe from being gnawed by insect, mouse and damage, has improved the holistic safe in utilization and safety of pipeline main body, and first anticorrosive coating and second anticorrosive coating, can reduce the corruption of natural gas and external environment to pipeline main body again, improve pipeline main body's life.
Preferably, cloth complex film top surface is woven to aluminium foil is equipped with the heat preservation, heat preservation top surface is equipped with first metal mesh layer to can improve the structural strength of functional layer through cloth complex film is woven to aluminium foil and first metal mesh layer, and then reduce the functional layer and damage, protect the safe in utilization of PE pipe, through the heat preservation, can reduce the influence of external environment temperature to the PE pipe again, and then improve the safe in utilization of PE pipe.
Preferably, first metal mesh layer top surface is equipped with the PVC protection film, PVC protection film top surface is equipped with second metal mesh layer to can play certain protect function through the PVC protection film, prevent that corrosive liquid from penetrating the functional layer, and then protect the PE pipe, through second metal mesh layer, can play the effect of protection PVC protection film again, improve the life of PVC protection film.
Preferably, the aluminum foil anti-rust film is arranged on the top surface of the second metal mesh layer, so that the structural strength of the functional layer can be improved, and rust corrosion on the second metal mesh layer can be prevented.
Preferably, the surface of the inner wall of the PE pipe is coated with the first anticorrosive coating, so that the inner surface of the PE pipe can be prevented from being corroded by conveyed natural gas, and the service life of the PE pipe is prolonged.
Preferably, the second anticorrosive coating is sprayed on the outer wall surface of the PET wear-resistant layer, so that the corrosion of the sewage pipeline main body in the external environment can be reduced, and the service life of the pipeline main body is further prolonged.
The utility model provides a pipeline for natural gas transportation possesses following beneficial effect:
(1) the utility model discloses because the pipeline main part is managed by PE, functional layer and PET wearing layer are constituteed, and PE pipe outer wall surface bonds there is the functional layer, thereby can carry the natural gas through the PE pipe, can make PE pipe improve the installation basis to the functional layer again, because the functional layer adopts the aluminium foil to weave the cloth complex film, the heat preservation, first metal mesh layer, the PVC protection film, second metal mesh layer and the compound formation of aluminium foil antirust film, and aluminium foil weaves cloth complex film top surface and is equipped with the heat preservation, heat preservation top surface is equipped with first metal mesh layer simultaneously, thereby can improve the structural strength of functional layer through aluminium foil weaved cloth complex film and first metal mesh layer, and then reduced the functional layer by the insect ant, gnaw the damage of mouse, the safe in utilization of PE.
(2) The utility model discloses a heat preservation, can reduce the influence of external environment temperature to the PE pipe again, and then the safe in utilization of PE pipe has been improved, through being equipped with the PVC protection film at first metal mesh layer top surface, and PVC protection film top surface is equipped with second metal mesh layer, thereby can play certain protect function through the PVC protection film, prevent that corrosive liquid from piercing through the functional layer, and then PE pipe has been protected, through second metal mesh layer, can play the effect of protection PVC protection film again, the life of PVC protection film has been improved, through be equipped with aluminium foil antirust film at second metal mesh layer top surface, functional layer structural strength can be played and improve, can prevent rust corrosion on the second metal mesh layer again.
(3) The utility model discloses a there is the PET wearing layer at functional layer outer wall surface complex, thereby can improve the wear resistance of pipeline main part outer wall surface, and then the life of pipeline main part has been improved, it has first anticorrosive coating to scribble through at the PE inside pipe wall surface, thereby can prevent the natural gas corrosion PE inside pipe surface of transport, and then the life of PE pipe has been improved, it has second anticorrosive coating to scribble through at the PET wearing layer outer wall surface, thereby can reduce the corruption of external environment's filth pipeline main part, further the life of pipeline main part has been improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of a functional layer cross section of the present invention;
FIG. 3 is a schematic view of the inner wall surface structure of the PE tube of the present invention;
fig. 4 is the surface structure schematic diagram of the outer wall of the PET wear-resistant layer of the utility model.
In the figure: 1. a pipe body; 2. a PE pipe; 3. a functional layer; 4. aluminum foil woven cloth composite film; 5. a heat-insulating layer; 6. a first metal mesh layer; 7. a PVC protective film; 8. a second metal mesh layer; 9. an aluminum foil antirust film; 10. a PET abrasion resistant layer; 11. a first corrosion resistant coating; 12. a second corrosion resistant coating.
Detailed Description
The technical solution in 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.
As shown in fig. 1-4, the utility model provides a technical solution: a natural gas conveying pipeline comprises a pipeline main body 1, wherein the pipeline main body 1 consists of a PE pipe 2, a functional layer 3 and a PET wear-resistant layer 10, the outer wall surface of the PE pipe 2 is bonded with a functional layer 3, the outer wall surface of the functional layer 3 is compounded with a PET wear-resistant layer 10, the functional layer 3 is formed by compounding an aluminum foil woven cloth composite film 4, a heat preservation layer 5, a first metal mesh layer 6, a PVC protective film 7, a second metal mesh layer 8 and an aluminum foil antirust film 9, the PE pipe 2 can be protected through the functional layer 3, thereby improving the structural strength of the PE pipe 2, preventing the PE pipe 2 from being damaged by insects, ants and mice, improving the use safety and safety of the whole pipeline main body 1, and the first anticorrosive coating 11 and the second anticorrosive coating 12 can reduce the corrosion of natural gas and external environment to the pipeline main body 1, and improve the life of the pipeline main body 1.
4 top surfaces of cloth complex film are woven to the aluminium foil are equipped with heat preservation 5, 5 top surfaces of heat preservation are equipped with first metal mesh layer 6 to can improve the structural strength of functional layer 3 through cloth complex film is woven to the aluminium foil 4 and first metal mesh layer 6, and then reduce the damage of functional layer 3, protect PE pipe 2's safe in utilization, through heat preservation 5, can reduce the influence of external environment temperature to PE pipe 2 again, and then improve PE pipe 2's safe in utilization.
6 top surfaces of first metal mesh layer are equipped with PVC protection film 7, 7 top surfaces of PVC protection film are equipped with second metal mesh layer 8 to can play certain protect function through PVC protection film 7, prevent that corrosive liquid from piercing through functional layer 3, and then protect PE pipe 2, through second metal mesh layer 8, can play the effect of protection PVC protection film 7 again, improve the life of PVC protection film 7.
The aluminum foil anti-rust film 9 is arranged on the top surface of the second metal mesh layer 8, so that the structural strength of the functional layer 3 can be improved, and rust corrosion on the second metal mesh layer 8 can be prevented.
The surface of the inner wall of the PE pipe 2 is coated with a first anticorrosive coating 11, so that the inner surface of the PE pipe 2 can be prevented from being corroded by conveyed natural gas, and the service life of the PE pipe 2 is prolonged.
The surface of the outer wall of the PET wear-resistant layer 10 is coated with a second anticorrosive coating 12, so that the corrosion of the dirt pipeline main body 1 in the external environment can be reduced, and the service life of the pipeline main body 1 is further prolonged.
It should be noted that, in operation, because the pipeline main body 1 is composed of the PE pipe 2, the functional layer 3 and the PET wear layer 10, and the functional layer 3 is bonded on the outer wall surface of the PE pipe 2, natural gas can be transported through the PE pipe 2, and the PE pipe 2 can improve the installation foundation of the functional layer 3, because the functional layer 3 is formed by compounding the aluminum foil woven fabric composite film 4, the heat preservation layer 5, the first metal mesh layer 6, the PVC protection film 7, the second metal mesh layer 8 and the aluminum foil anti-rust film 9, and the top surface of the aluminum foil woven fabric composite film 4 is provided with the heat preservation layer 5, and the top surface of the heat preservation layer 5 is provided with the first metal mesh layer 6, the structural strength of the functional layer 3 can be improved through the aluminum foil woven fabric composite film 4 and the first metal mesh layer 6, thereby reducing the damage of the functional layer 3 caused by insects and mice, and protecting, through the heat preservation layer 5, the influence of the external environment temperature on the PE pipe 2 can be reduced, the use safety of the PE pipe 2 is further improved, the PVC protection film 7 is arranged on the top surface of the first metal net layer 6, the second metal net layer 8 is arranged on the top surface of the PVC protection film 7, a certain protection function can be achieved through the PVC protection film 7, the corrosion liquid is prevented from penetrating through the functional layer 3, the PE pipe 2 is further protected, the PVC protection film 7 can be protected through the second metal net layer 8, the service life of the PVC protection film 7 is prolonged, the aluminum foil anti-rust film 9 is arranged on the top surface of the second metal net layer 8, the structural strength of the functional layer 3 can be improved, the rust corrosion on the second metal net layer 8 can be prevented, the PET wear-resistant layer 10 is compounded on the outer wall surface of the functional layer 3, and the wear-resistant performance of the outer wall, and then improved pipeline main body 1's life, through having sprayed first anticorrosive coating 11 at 2 inner wall surface paintings of PE pipe, thereby can prevent that the natural gas of carrying from corroding 2 internal surfaces of PE pipe, and then improved PE pipe 2's life, through having sprayed second anticorrosive coating 12 at 10 outer wall surface paintings of PET wearing layer, thereby can reduce the corruption of external environment's filth pipeline main body 1, further improvement pipeline main body 1's life.
It should be noted that, the utility model relates to a pipeline for natural gas transportation, including pipeline main part 1, PE pipe 2, functional layer 3, aluminium foil woven cloth complex film 4, heat preservation 5, first metal mesh layer 6, PVC protection film 7, second metal mesh layer 8, aluminium foil antirust film 9, PET wearing layer 10, first anticorrosive coating 11 and second anticorrosive coating 12, the part is general standard component or the part that technical staff in the field knows, its structure and principle all are that this technical staff all can learn through the technical manual or learn through conventional experimental method, and above-mentioned electrical components are by the nimble selection of technical staff in the field, the installation is accomplished the circuit debugging, guarantee that each equipment can normal operating, do not too much restriction requirement here.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A natural gas transportation pipeline, characterized in that: including pipeline main part (1), pipeline main part (1) comprises PE pipe (2), functional layer (3) and PET wearing layer (10), PE pipe (2) outer wall surface bonds there is functional layer (3), functional layer (3) outer wall surface complex has PET wearing layer (10), functional layer (3) are woven cloth complex film (4), heat preservation (5), first metal mesh layer (6), PVC protection film (7), second metal mesh layer (8) and aluminium foil antirust film (9) complex by the aluminium foil and are formed.
2. The natural gas transportation pipeline according to claim 1, wherein: the aluminum foil woven cloth composite membrane is characterized in that a heat insulation layer (5) is arranged on the top surface of the aluminum foil woven cloth composite membrane (4), and a first metal mesh layer (6) is arranged on the top surface of the heat insulation layer (5).
3. The natural gas transportation pipeline according to claim 1, wherein: the PVC protective film (7) is arranged on the top surface of the first metal mesh layer (6), and the second metal mesh layer (8) is arranged on the top surface of the PVC protective film (7).
4. The natural gas transportation pipeline according to claim 1, wherein: and an aluminum foil anti-rust film (9) is arranged on the top surface of the second metal mesh layer (8).
5. The natural gas transportation pipeline according to claim 1, wherein: the inner wall surface of the PE pipe (2) is coated with a first anticorrosive coating (11).
6. The natural gas transportation pipeline according to claim 1, wherein: and a second anticorrosive coating (12) is sprayed on the surface of the outer wall of the PET wear-resistant layer (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618746.6U CN212868791U (en) | 2020-08-06 | 2020-08-06 | Pipeline for conveying natural gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021618746.6U CN212868791U (en) | 2020-08-06 | 2020-08-06 | Pipeline for conveying natural gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212868791U true CN212868791U (en) | 2021-04-02 |
Family
ID=75220325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021618746.6U Expired - Fee Related CN212868791U (en) | 2020-08-06 | 2020-08-06 | Pipeline for conveying natural gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212868791U (en) |
-
2020
- 2020-08-06 CN CN202021618746.6U patent/CN212868791U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210402 |