CN216045905U - Natural gas pipeline that corrosion-resistant stand wear resistance can be high - Google Patents
Natural gas pipeline that corrosion-resistant stand wear resistance can be high Download PDFInfo
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- CN216045905U CN216045905U CN202122246131.6U CN202122246131U CN216045905U CN 216045905 U CN216045905 U CN 216045905U CN 202122246131 U CN202122246131 U CN 202122246131U CN 216045905 U CN216045905 U CN 216045905U
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Abstract
The utility model discloses a natural gas pipeline with high corrosion resistance and wear resistance, which comprises a pipeline body, wherein the pipeline body comprises a substrate layer, a wear-resistant layer is arranged on the outer side of the substrate layer, the wear-resistant layer comprises a perfluoro rubber layer, a zirconium alloy layer and an ethylene propylene diene monomer rubber layer, and a corrosion-resistant layer is arranged on the inner side of the substrate layer. The wear-resistant layer comprises a perfluorinated rubber layer, a zirconium alloy layer and an ethylene propylene diene monomer layer, can play a role in carrying out three-layer wear-resistant protection on the outer side of the pipeline, and the corrosion-resistant layer comprises a high chlorinated polyethylene coating and a polytetrafluoroethylene coating, can play a role in carrying out two-layer corrosion-resistant protection on the inner side of the pipeline (wherein the high chlorinated polyethylene coating plays a role in corrosion-resistant protection of the first layer, and the polytetrafluoroethylene coating plays a role in corrosion-resistant protection of the second layer after the high chlorinated polyethylene coating is damaged), and by the matching of the structures, the service life of the whole pipeline is effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of natural gas pipelines, in particular to a natural gas pipeline with high corrosion resistance and wear resistance.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced in oil fields) from a mining place or a processing plant to an urban gas distribution center or an industrial enterprise user, and is also called a gas conveying pipeline.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a natural gas pipeline with high corrosion resistance and wear resistance, which has the advantage of long service life and solves the problem that the existing natural gas pipeline has poor corrosion resistance and wear resistance, so that the service life of the existing natural gas pipeline is shortened.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a natural gas line that corrosion-resistant wear resistance is high, includes the pipeline body, the pipeline body includes the stratum basale, and the outside of stratum basale is provided with the wearing layer, and simultaneously, the wearing layer includes perfluororubber layer, zircaloy layer and ethylene propylene diene monomer rubber layer, the inboard of stratum basale is provided with the corrosion-resistant layer, and the corrosion-resistant layer includes highly chlorinated polyethylene coating and polytetrafluoroethylene coating.
Preferably, the perfluoro rubber layer is connected to the outer side of the base layer through PP glue, the zirconium alloy layer is connected to the outer side of the perfluoro rubber layer through PP glue, and the ethylene propylene diene monomer layer is connected to the outer side of the zirconium alloy layer through PP glue.
Preferably, the thickness of the perfluorinated rubber layer is the same as that of the ethylene propylene diene monomer layer, and the thickness of the ethylene propylene diene monomer layer is 1.5-3 times that of the zirconium alloy layer.
Preferably, the polytetrafluoroethylene coating is coated on the inner side of the substrate layer, and the highly chlorinated polyethylene coating is coated on the inner side of the polytetrafluoroethylene coating.
Preferably, the thickness of the high chlorinated polyethylene coating and the polytetrafluoroethylene coating is the same, and the thickness of the high chlorinated polyethylene coating is one hundred eighty to three hundred twenty microns.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model is provided with a wear-resistant layer comprising a perfluororubber layer, a zirconium alloy layer and an ethylene propylene diene monomer rubber layer, can play a role in three-layer wear protection on the outer side of the pipeline (wherein the ethylene propylene diene monomer layer plays a role in first layer wear protection, the zirconium alloy layer plays a role in second layer wear protection after the ethylene propylene diene monomer layer is damaged, the perfluororubber layer plays a role in third layer wear protection after the zirconium alloy layer is damaged), is provided with a corrosion-resistant layer comprising a high chlorinated polyethylene coating and a polytetrafluoroethylene coating, can play and carry out two-layer corrosion protection to this pipeline inboard (highly chlorinated polyethylene coating wherein plays first layer corrosion protection, and polytetrafluoroethylene coating plays second floor corrosion protection after highly chlorinated polyethylene coating damages), through the cooperation of above structure, effectively improved the holistic life of this pipeline.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure of the wear-resistant layer of the present invention;
FIG. 3 is a schematic view of the structure of the corrosion-resistant layer of the present invention.
In the figure: 1 pipeline body, 11 base layers, 12 wear-resistant layers, 121 perfluororubber layers, 122 zirconium alloy layers, 123 ethylene propylene diene monomer rubber layers, 13 corrosion-resistant layers, 131 high chlorinated polyethylene coatings and 132 polytetrafluoroethylene coatings.
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.
In the description of the application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The components of the pipeline body 1, the substrate layer 11, the wear-resistant layer 12, the perfluororubber layer 121, the zirconium alloy layer 122, the ethylene propylene diene monomer rubber layer 123, the corrosion-resistant layer 13, the highly chlorinated polyethylene coating 131 and the polytetrafluoroethylene coating 132 are all universal standard components or components known by those skilled in the art, and the structure and principle of the components are known by the technical manual or by a conventional experimental method.
Referring to fig. 1-3, a natural gas pipeline with high corrosion resistance and wear resistance comprises a pipeline body 1, wherein the pipeline body 1 comprises a substrate layer 11, and a wear-resistant layer 12 is disposed on the outer side of the substrate layer 11, meanwhile, the wear-resistant layer 12 comprises a perfluororubber layer 121, a zirconium alloy layer 122 and an ethylene propylene diene monomer layer 123, which can perform three layers of wear protection on the outer side of the pipeline (wherein the ethylene propylene diene monomer layer 123 performs a first layer of wear protection, the zirconium alloy layer 122 performs a second layer of wear protection after the ethylene propylene diene monomer layer 123 is damaged, the perfluororubber layer 121 performs a third layer of wear protection after the zirconium alloy layer 122 is damaged), the perfluororubber layer 121 is connected to the outer side of the substrate layer 11 through PP glue, the zirconium alloy layer 122 is connected to the outer side of the perfluororubber layer 121 through PP glue, and the ethylene propylene diene monomer layer 123 is connected to the outer side of the zirconium alloy layer 122 through PP glue, the thicknesses of the perfluororubber layer 121 and the ethylene propylene diene monomer rubber layer 123 are the same, the thickness of the ethylene propylene diene monomer rubber layer 123 is 1.5-3 times of that of the zirconium alloy layer 122, the corrosion-resistant layer 13 is arranged on the inner side of the base layer 11, and the corrosion-resistant layer 13 includes a highly chlorinated polyethylene coating 131 and a polytetrafluoroethylene coating 132, can perform two-layer corrosion-resistant protection on the inner side of the pipeline (wherein the high chlorinated polyethylene coating 131 plays a first layer of corrosion-resistant protection, the polytetrafluoroethylene coating 132 plays a second layer of corrosion-resistant protection after the high chlorinated polyethylene coating 131 is damaged), the polytetrafluoroethylene coating 132 is coated on the inner side of the substrate layer 11, and the highly chlorinated polyethylene coating 131 is coated on the inner side of the polytetrafluoroethylene coating 132, the thicknesses of the highly chlorinated polyethylene coating 131 and the polytetrafluoroethylene coating 132 are the same, and the thickness of the highly chlorinated polyethylene coating 131 is one hundred eighty to three hundred twenty microns.
When in use, the wear-resistant layer 12 comprising the perfluoro rubber layer 121, the zirconium alloy layer 122 and the ethylene propylene diene monomer rubber layer 123 is arranged, so that three layers of wear-resistant protection can be performed on the outer side of the pipeline (wherein the ethylene propylene diene monomer rubber layer 123 plays a role in first layer wear-resistant protection, the zirconium alloy layer 122 plays a role in second layer wear-resistant protection after the ethylene propylene diene monomer rubber layer 123 is damaged, the perfluoro rubber layer 121 plays a role in third layer wear-resistant protection after the zirconium alloy layer 122 is damaged), the corrosion-resistant layer 13 comprising the high chlorinated polyethylene coating 131 and the polytetrafluoroethylene coating 132 is arranged, so that two layers of corrosion-resistant protection can be performed on the inner side of the pipeline (wherein the high chlorinated polyethylene coating 131 plays a role in first layer corrosion-resistant protection, the polytetrafluoroethylene coating 132 plays a role in second layer corrosion-resistant protection after the high chlorinated polyethylene coating 131 is damaged), through the matching of the above structures, the service life of the whole pipeline is effectively prolonged.
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 (5)
1. The utility model provides a natural gas line that corrosion-resistant stand wear resistance can be high, includes pipeline body (1), its characterized in that: the pipeline body (1) comprises a base layer (11), a wear-resistant layer (12) is arranged on the outer side of the base layer (11), meanwhile, the wear-resistant layer (12) comprises a perfluoro rubber layer (121), a zirconium alloy layer (122) and an ethylene propylene diene monomer rubber layer (123), a corrosion-resistant layer (13) is arranged on the inner side of the base layer (11), and the corrosion-resistant layer (13) comprises a high chlorinated polyethylene coating (131) and a polytetrafluoroethylene coating (132).
2. The natural gas pipeline with high corrosion resistance and wear resistance as claimed in claim 1, wherein: the perfluorinated rubber layer (121) is connected to the outer side of the base layer (11) through PP glue, the zirconium alloy layer (122) is connected to the outer side of the perfluorinated rubber layer (121) through PP glue, and the ethylene propylene diene monomer rubber layer (123) is connected to the outer side of the zirconium alloy layer (122) through PP glue.
3. The natural gas pipeline with high corrosion resistance and wear resistance as claimed in claim 1, wherein: the thickness of the perfluorinated rubber layer (121) is the same as that of the ethylene propylene diene monomer rubber layer (123), and the thickness of the ethylene propylene diene monomer rubber layer (123) is 1.5-3 times that of the zirconium alloy layer (122).
4. The natural gas pipeline with high corrosion resistance and wear resistance as claimed in claim 1, wherein: the polytetrafluoroethylene coating (132) is coated on the inner side of the substrate layer (11), and the high chlorinated polyethylene coating (131) is coated on the inner side of the polytetrafluoroethylene coating (132).
5. The natural gas pipeline with high corrosion resistance and wear resistance as claimed in claim 1, wherein: the thickness of the high chlorinated polyethylene coating (131) is the same as that of the polytetrafluoroethylene coating (132), and the thickness of the high chlorinated polyethylene coating (131) is one hundred eighty to three hundred twenty microns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246131.6U CN216045905U (en) | 2021-09-16 | 2021-09-16 | Natural gas pipeline that corrosion-resistant stand wear resistance can be high |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122246131.6U CN216045905U (en) | 2021-09-16 | 2021-09-16 | Natural gas pipeline that corrosion-resistant stand wear resistance can be high |
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| Publication Number | Publication Date |
|---|---|
| CN216045905U true CN216045905U (en) | 2022-03-15 |
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| CN202122246131.6U Active CN216045905U (en) | 2021-09-16 | 2021-09-16 | Natural gas pipeline that corrosion-resistant stand wear resistance can be high |
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| CN (1) | CN216045905U (en) |
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- 2021-09-16 CN CN202122246131.6U patent/CN216045905U/en active Active
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