CN216143388U - Cold-resistant heat-resistant natural gas pipeline with good ageing resistance effect - Google Patents
Cold-resistant heat-resistant natural gas pipeline with good ageing resistance effect Download PDFInfo
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- CN216143388U CN216143388U CN202121588290.8U CN202121588290U CN216143388U CN 216143388 U CN216143388 U CN 216143388U CN 202121588290 U CN202121588290 U CN 202121588290U CN 216143388 U CN216143388 U CN 216143388U
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Abstract
The utility model discloses a cold-resistant and heat-resistant natural gas pipeline with a good anti-aging effect, which comprises a natural gas pipeline body, supporting springs and a protective sleeve, wherein the protective sleeve is sleeved on the surface of the natural gas pipeline body, the protective sleeve and the natural gas pipeline body are fixedly connected through a plurality of supporting springs, and the natural gas pipeline body comprises an inner pipe, a first corrosion-resistant layer, a first heat-preservation layer, a first pressure-resistant layer, a first reinforcing rib, a first sound-insulating layer, an outer pipe, a second sound-insulating layer, a second corrosion-resistant layer, a second pressure-resistant layer, a second reinforcing rib, a second heat-insulating layer and an anti-aging coating. The natural gas pipeline has the advantages that the supporting spring and the protective sleeve are arranged, so that a good impact resistance effect is achieved, the impact resistance effect of the natural gas pipeline body is further improved by arranging the first pressure resistant layer, the first reinforcing rib, the second pressure resistant layer and the second reinforcing rib, and a good anti-aging effect is achieved by arranging the anti-aging coating.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a cold-resistant heat-resistant natural gas pipeline with a good anti-aging effect.
Background
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 transportation has the advantages of low transportation cost, small occupied area, quick construction, large oil and gas transportation amount, high safety performance, less transportation loss, no three-waste discharge, small leakage risk, small environmental pollution, small influence of severe weather, small equipment maintenance amount, convenient management, easy realization of remote centralized monitoring and the like.
At present, the common cold-resistant and heat-resistant natural gas pipeline has poor ageing resistance, and the conventional cold-resistant and heat-resistant natural gas pipeline has poor shock resistance, so that the safety of the natural gas pipeline is greatly reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cold-resistant and heat-resistant natural gas pipeline with good anti-aging effect so as to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: the cold-resistant and heat-resistant natural gas pipeline with good anti-aging effect comprises a natural gas pipeline body, supporting springs and a protective sleeve, wherein the protective sleeve is sleeved on the surface of the natural gas pipeline body, and the protective sleeve and the natural gas pipeline body are fixedly connected through the supporting springs;
the natural gas pipeline body comprises an inner pipe, a first corrosion-resistant layer, a first heat-insulating layer, a first pressure-resistant layer, a first reinforcing rib, a first sound-insulating layer, an outer pipe, a second sound-insulating layer, a second corrosion-resistant layer, a second pressure-resistant layer, a second reinforcing rib, a second heat-insulating layer and an anti-aging coating, wherein the first corrosion-resistant layer is arranged on the inner wall of the inner pipe, the first heat-insulating layer is arranged on the outer surface of the inner pipe, the first pressure-resistant layer is arranged on the outer surface of the first heat-insulating layer, the first reinforcing rib is arranged inside the first pressure-resistant layer, the first sound-insulating layer is arranged on the outer surface of the first pressure-resistant layer, the outer pipe is arranged on the outer surface of the first sound-insulating layer, the second sound-insulating layer is arranged on the outer surface of the outer pipe, the second corrosion-resistant layer is arranged on the outer surface of the second corrosion-resistant layer, the second reinforcing rib is arranged inside the second pressure-resistant layer, and a second heat-insulating layer is arranged on the outer surface of the second pressure-resistant layer, and an anti-aging coating is arranged on the outer surface of the second heat-insulating layer.
Preferably, the protective sleeve is made of cross-linked polyethylene.
Preferably, the first corrosion-resistant layer is made of polyamide resin.
Preferably, the first pressure-resistant layer is made of epoxy resin.
Preferably, the second corrosion-resistant layer is made of a three-layer polyethylene corrosion-resistant layer.
Preferably, the second anti-pressure layer is made of PVC.
Preferably, the anti-aging coating is made of polytetrafluoroethylene.
Compared with the prior art, the utility model has the following beneficial effects:
according to the natural gas pipeline, the supporting spring and the protective sleeve are arranged, so that a good impact resistance effect is achieved, the first corrosion-resistant layer and the second corrosion-resistant layer are arranged, the first heat-insulating layer and the second heat-insulating layer are arranged, so that a good cold-resistant and heat-resistant effect is achieved, the first pressure-resistant layer, the first reinforcing rib, the second pressure-resistant layer and the second reinforcing rib are arranged, so that the impact resistance effect of the natural gas pipeline body is further improved, and the anti-aging coating is arranged, so that a good anti-aging effect is achieved.
Drawings
FIG. 1 is a schematic structural view in elevation of the present invention;
FIG. 2 is a schematic view of the layered structure of the natural gas pipeline body according to the present invention;
fig. 3 is a schematic structural diagram of the left side view of the protective sleeve of the present invention.
In the figure: the natural gas pipeline comprises a natural gas pipeline body 1, an inner pipe 101, a first corrosion-resistant layer 102, a first heat-preservation layer 103, a first pressure-resistant layer 104, a first reinforcing rib 105, a first sound-insulation layer 106, an outer pipe 107, a second sound-insulation layer 108, a second corrosion-resistant layer 109, a second pressure-resistant layer 110, a second reinforcing rib 111, a second heat-preservation layer 112, an anti-aging coating 113, a support spring 2 and a protective sleeve 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, the cold-resistant and heat-resistant natural gas pipeline with good aging resistance effect comprises a natural gas pipeline body 1, supporting springs 2 and a protective sleeve 3, wherein the protective sleeve 3 is sleeved on the surface of the natural gas pipeline body 1, the protective sleeve 3 is made of cross-linked polyethylene, and the protective sleeve 3 is fixedly connected with the natural gas pipeline body 1 through the supporting springs 2.
The natural gas pipeline body 1 includes an inner pipe 101, a first corrosion-resistant layer 102, a first heat-insulating layer 103, a first pressure-resistant layer 104, a first reinforcing rib 105, a first sound-insulating layer 106, an outer pipe 107, a second sound-insulating layer 108, a second corrosion-resistant layer 109, a second pressure-resistant layer 110, a second reinforcing rib 111, a second heat-insulating layer 112, and an anti-aging coating 113, the first corrosion-resistant layer 102 is provided on an inner wall of the inner pipe 101, the first corrosion-resistant layer 102 is made of a polyamide resin, the polyamide resin is a condensation type polymer compound having a CONH structure in a molecule, and is generally obtained by condensation polymerization of a dibasic acid and a diamine. The most prominent advantage of polyamide resins is the extremely narrow range of softening points, unlike other thermoplastic resins, which have a gradual curing or softening process, which causes rapid curing at temperatures slightly below the melting point. The polyamide resin has good chemical resistance and can resist acid, alkali, vegetable oil, mineral oil and the like, a first heat preservation layer 103 is arranged on the outer surface of the inner pipe 101, a first pressure resistant layer 104 is arranged on the outer surface of the first heat preservation layer 103, the first pressure resistant layer 104 is made of epoxy resin, a first reinforcing rib 105 is arranged inside the first pressure resistant layer 104, a first sound insulation layer 106 is arranged on the outer surface of the first pressure resistant layer 104, an outer pipe 107 is arranged on the outer surface of the first sound insulation layer 106, a second sound insulation layer 108 is arranged on the outer surface of the outer pipe 107, a second corrosion resistant layer 109 is arranged on the outer surface of the second sound insulation layer 108, the second corrosion resistant layer 109 is made of three-layer structural polyethylene corrosion resistant layers, the three-layer structural polyethylene corrosion resistant layer is 3PE for short, the bottom layer is epoxy powder coating, the middle layer is adhesive, the outer layer is polyethylene coating, the outer layer is second pressure resistant layer 110 is arranged on the outer surface of the second corrosion resistant layer 109, the second pressure resistant layer 110 is made of PVC, which is a thermoplastic resin obtained by polymerizing vinyl chloride under the action of an initiator. Is a homopolymer of vinyl chloride. Vinyl chloride homopolymers and vinyl chloride copolymers are collectively referred to as vinyl chloride resins. PVC is white powder with an amorphous structure and has small branching degree. The molecular weight of the PVC produced industrially is generally within the range of 5-12 ten thousand, and the PVC has larger polydispersity, and the molecular weight is increased along with the reduction of polymerization temperature; without a fixed melting point, softening begins at 80-85 ℃, the temperature of 130 ℃ becomes a viscoelastic state, and the temperature of 160-180 ℃ begins to change into a viscous state; the alloy has good mechanical properties, the tensile strength is about 60MPa, and the impact strength is 5-10 kJ/m; has excellent dielectric properties. But the stability to light and heat is poor, and the hydrogen chloride is decomposed to generate hydrogen chloride at the temperature of more than 100 ℃ or after long-time sun exposure, and further the hydrogen chloride is automatically catalyzed and decomposed to cause color change, and the physical and mechanical properties are also rapidly reduced, so that a stabilizer is required to be added in practical application to improve the stability to heat and light. PVC is very hard and has poor solubility, can only be dissolved in a few solvents such as cyclohexanone, dichloroethane, tetrahydrofuran and the like, is stable to organic and inorganic acids, alkalis and salts, and the chemical stability is reduced along with the rise of the use temperature. PVC is dissolved in acetone-carbon disulfide or acetone-benzene mixed solvent, and is used for dry spinning or wet spinning to form fiber, which is called polyvinyl chloride. The fireproof heat-insulating anti-microbial composite material has the advantages of being flame-retardant, acid-alkali resistant, antimicrobial and wear resistant, and having good heat-insulating property and elasticity, the second reinforcing rib 111 is arranged inside the second anti-pressure layer 110, the second heat-insulating layer 112 is arranged on the outer surface of the second anti-pressure layer 110, the anti-aging coating 113 is arranged on the outer surface of the second heat-insulating layer 112, the anti-aging coating 113 is made of polytetrafluoroethylene, the polytetrafluoroethylene is a high-molecular compound formed by polymerizing tetrafluoroethylene, and the fireproof heat-insulating anti-microbial composite material has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electric insulating property and good anti-aging endurance.
When the natural gas pipeline body 1 is used, the supporting spring 2 and the protective sleeve 3 are arranged, so that a good impact resistance effect is achieved, the first corrosion-resistant layer 102 and the second corrosion-resistant layer 109 are arranged, the first heat-insulating layer 103 and the second heat-insulating layer 112 are arranged, so that a good cold-resistant and heat-resistant effect is achieved, the first pressure-resistant layer 104, the first reinforcing rib 105, the second pressure-resistant layer 110 and the second reinforcing rib 111 are arranged, so that the impact resistance effect of the natural gas pipeline body 1 is further improved, and the anti-aging coating 113 is arranged, so that a good anti-aging effect is achieved.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an effectual cold-resistant heat-resisting natural gas line of ageing resistance, includes natural gas line body (1), supporting spring (2) and protective casing (3), its characterized in that: the natural gas pipeline is characterized in that a protective sleeve (3) is sleeved on the surface of the natural gas pipeline body (1), and the protective sleeve (3) is fixedly connected with the natural gas pipeline body (1) through a plurality of supporting springs (2);
the natural gas pipeline body (1) comprises an inner pipe (101), a first corrosion-resistant layer (102), a first heat-insulating layer (103), a first pressure-resistant layer (104), first reinforcing ribs (105), a first sound-insulating layer (106), an outer pipe (107), a second sound-insulating layer (108), a second corrosion-resistant layer (109), a second pressure-resistant layer (110), second reinforcing ribs (111), a second heat-insulating layer (112) and an anti-aging coating (113), wherein the inner wall of the inner pipe (101) is provided with the first corrosion-resistant layer (102), the outer surface of the inner pipe (101) is provided with the first heat-insulating layer (103), the outer surface of the first heat-insulating layer (103) is provided with the first pressure-resistant layer (104), the inside of the first pressure-resistant layer (104) is provided with the first reinforcing ribs (105), the outer surface of the first pressure-resistant layer (104) is provided with the first sound-insulating layer (106), and the outer surface of the first sound-insulating layer (106) is provided with the first pressure-resistant layer (107), the outer surface of the outer pipe (107) is provided with a second sound insulating layer (108), the outer surface of the second sound insulating layer (108) is provided with a second corrosion-resistant layer (109), the outer surface of the second corrosion-resistant layer (109) is provided with a second anti-pressure layer (110), a second reinforcing rib (111) is arranged inside the second anti-pressure layer (110), the outer surface of the second anti-pressure layer (110) is provided with a second heat insulating layer (112), and the outer surface of the second heat insulating layer (112) is provided with an anti-aging coating (113).
2. The cold-resistant and heat-resistant natural gas pipeline with good aging resistance as claimed in claim 1, wherein: the protective sleeve (3) is made of cross-linked polyethylene.
3. The cold-resistant and heat-resistant natural gas pipeline with good aging resistance as claimed in claim 2, wherein: the first corrosion-resistant layer (102) is made of polyamide resin.
4. The cold-resistant and heat-resistant natural gas pipeline with good aging resistance as claimed in claim 3, wherein: the first pressure resistant layer (104) is made of epoxy resin.
5. The cold-resistant and heat-resistant natural gas pipeline with good ageing resistance as claimed in claim 4, wherein the natural gas pipeline comprises: the second corrosion-resistant layer (109) is made of a polyethylene corrosion-resistant layer with a three-layer structure.
6. The cold-resistant and heat-resistant natural gas pipeline with good ageing resistance as claimed in claim 5, wherein: the second pressure resistant layer (110) is made of PVC.
7. The cold-resistant and heat-resistant natural gas pipeline with good aging resistance as claimed in claim 6, wherein: the anti-aging coating (113) is made of polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588290.8U CN216143388U (en) | 2021-07-13 | 2021-07-13 | Cold-resistant heat-resistant natural gas pipeline with good ageing resistance effect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121588290.8U CN216143388U (en) | 2021-07-13 | 2021-07-13 | Cold-resistant heat-resistant natural gas pipeline with good ageing resistance effect |
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| Publication Number | Publication Date |
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| CN216143388U true CN216143388U (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121588290.8U Active CN216143388U (en) | 2021-07-13 | 2021-07-13 | Cold-resistant heat-resistant natural gas pipeline with good ageing resistance effect |
Country Status (1)
| Country | Link |
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| CN (1) | CN216143388U (en) |
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2021
- 2021-07-13 CN CN202121588290.8U patent/CN216143388U/en active Active
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