CN209960019U - Wear-resisting, anti-scratch bury ground and use PE gas pipeline - Google Patents
Wear-resisting, anti-scratch bury ground and use PE gas pipeline Download PDFInfo
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- CN209960019U CN209960019U CN201920719822.3U CN201920719822U CN209960019U CN 209960019 U CN209960019 U CN 209960019U CN 201920719822 U CN201920719822 U CN 201920719822U CN 209960019 U CN209960019 U CN 209960019U
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- base pipe
- rubber coating
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- gas pipeline
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Abstract
The utility model discloses a wear-resisting, anti fish tail bury ground and use PE gas pipeline, including interior parent tube, first strengthening band, outer parent tube and second strengthening band, interior parent tube sets up at outer parent tube inboard, including first strengthening band sets up between parent tube and the outer parent tube, the second strengthening band is the heliciform and encircles on outer parent tube, the second strengthening band includes outer rubber coating, steel band, boss and endocyst glue, the rubber coating outside including outer rubber coating sets up, endocyst glue inboard and outer parent tube fixed connection, and the steel band setting is between outer rubber coating and endocyst glue, the beneficial effects of the utility model are that: the inner base pipe is made of high-pressure polyethylene, the outer base pipe is made of high-density polyethylene, and the outer base pipe is sleeved outside the inner base pipe, so that the rigidity of the PE pipe can be ensured, and meanwhile, the PE pipe can be ensured to have certain strength and crack resistance; be provided with the first strengthening band of nylon material between interior base pipe and the outer base pipe, stress that can increase prevents that gas atmospheric pressure from too big leading to the base pipe to break.
Description
Technical Field
The utility model relates to a PE gas pipeline specifically is a wear-resisting, anti fish tail bury ground and use PE gas pipeline.
Background
At present, due to the development and utilization of a large amount of natural gas, plastic gas pipelines are widely applied to municipal and rural gas pipe network construction, the gas pipelines are usually buried underground and need to have good wear-resisting, pressure-resisting, scratch-resisting, corrosion-resisting and other properties, common PE gas pipelines are poor in performance of the properties, and for the rigidity and toughness of the PE gas pipelines, the toughness of the common PE gas pipelines is often greatly reduced when the rigidity requirement is met, and the common PE gas pipelines are easy to break, so that gas leakage is caused. Accordingly, those skilled in the art have provided a wear-resistant, scratch-resistant buried PE gas pipeline to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wear-resisting, anti fish tail bury ground and use PE gas pipeline to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a wear-resisting, anti fish tail bury ground with PE gas pipeline, includes interior parent tube, first strengthening band, outer parent tube and second strengthening band, interior parent tube sets up in outer parent tube inboard, first strengthening band sets up between interior parent tube and the outer parent tube, the second strengthening band is the heliciform and encircles on outer parent tube.
As a further aspect of the present invention: the second strengthening band includes outer rubber coating, steel band, boss and endocyst and glues, the rubber coating outside including outer rubber coating sets up, endocyst glue inboard and outer base pipe fixed connection, and the steel band setting is between outer rubber coating and endocyst, and the steel band left and right sides all is provided with the boss.
As a further aspect of the present invention: and an anti-corrosion layer is arranged in the second reinforcing belt corresponding to the outer surface of the steel belt.
As a further aspect of the present invention: the first reinforcing belt is a tubular nylon net.
As a further aspect of the present invention: the inner base pipe is made of high-pressure polyethylene, and the outer base pipe is made of high-density polyethylene.
As a further aspect of the present invention: the material of the outer rubber coating is ultra-high molecular weight polyethylene.
As a further aspect of the present invention: the material of the anti-corrosion layer is modified raw lacquer emulsion paint.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the inner base pipe is made of high-pressure polyethylene, the outer base pipe is made of high-density polyethylene, and the outer base pipe is sleeved outside the inner base pipe, so that the rigidity of the PE pipe can be ensured, and meanwhile, the PE pipe can be ensured to have certain strength and crack resistance;
2. a first reinforcing belt made of nylon is arranged between the inner base pipe and the outer base pipe, so that stress can be increased, and the base pipe is prevented from being broken due to overlarge gas pressure;
3. the outer coating rubber on the outer side of the second reinforcing belt is made of ultra-high molecular weight polyethylene, and has the advantages of super wear resistance, self-lubrication, high strength, stable chemical property and strong ageing resistance, the steel belt can improve the pressure resistance of the PE pipe, and the corrosion resistance of the PE pipe can be improved by the corrosion-resistant layer.
Drawings
FIG. 1 is a schematic structural view of a wear-resistant and scratch-resistant buried PE gas pipeline;
FIG. 2 is a schematic structural view of a second reinforcing band in a wear-resistant and scratch-resistant buried PE gas pipeline;
in the figure: 1. an inner base tube; 2. a first reinforcing band; 3. an outer base tube; 4. a second reinforcing band; 41. coating the rubber outside; 42. an anti-corrosion layer; 43. a steel belt; 44. a boss; 45. and (4) encapsulating.
Detailed Description
Referring to fig. 1 and 2, in an embodiment of the present invention, a wear-resistant and scratch-resistant buried PE gas pipeline includes an inner base pipe 1, a first reinforcing band 2, an outer base pipe 3 and a second reinforcing band 4, the inner base pipe 1 is disposed inside the outer base pipe 3, the inner base pipe 1 is made of high-pressure polyethylene, the outer base pipe 3 is made of high-density polyethylene, the first reinforcing band 2 is disposed between the inner base pipe 1 and the outer base pipe 3, the first reinforcing band 2 is a tubular nylon net, the second reinforcing band 4 is spirally wound on the outer base pipe 3, the inner base pipe 1 is made of high-pressure polyethylene, which has high environmental stress cracking resistance, good chemical stability, acid and alkali resistance, and corrosion resistance of various salts, but has poor rigidity, and the outer base pipe 3 is made of high-density polyethylene, which has high hardness, tensile strength, and creep property, and has high wear resistance, electrical insulation, and electrical insulation property, Toughness and cold resistance are also better, establish outer base tube 3 in the cover of 1 outside of base tube, can compensate the defect of two kinds of materials mutually to be provided with the first strengthening band 2 of nylon material between inner base tube 1 and the outer base tube 3, stress that can increase prevents that gas atmospheric pressure from too big leading to the base tube to break.
In fig. 2: the second reinforcing belt 4 comprises an outer rubber coating 41, a steel belt 43, bosses 44 and an inner rubber coating 45, the outer rubber coating 41 is arranged on the outer side of the inner rubber coating 45, the inner side of the inner rubber coating 45 is fixedly connected with the outer base pipe 3, the steel belt 43 is arranged between the outer rubber coating 41 and the inner rubber coating 45, the bosses 44 are arranged on the left side and the right side of the steel belt 43, the outer rubber coating 41 on the outer side of the second reinforcing belt 4 is made of ultra-high molecular weight polyethylene, and has the advantages of super-high wear resistance, self-lubrication, high strength, stable chemical property and strong ageing resistance, the steel belt 43 can increase the pressure resistance of the PE pipe, and the corrosion resistance of the PE.
The first reinforcing band 2 is a tubular nylon mesh.
The inner base pipe 1 is made of high-pressure polyethylene, and the outer base pipe 3 is made of high-density polyethylene.
The utility model discloses a theory of operation is:
the inner base pipe 1 is made of high-pressure polyethylene, has high environmental stress cracking resistance, good chemical stability, and is resistant to corrosion of acid, alkali and various salts, but has poor rigidity, the outer base pipe 3 is made of high-density polyethylene, has high hardness, tensile strength and creep property, and also has good wear resistance, electrical insulation, toughness and cold resistance, the outer base pipe 3 is sleeved outside the inner base pipe 1 to mutually make up for the defects of the two materials, the first reinforcing belt 2 made of nylon is arranged between the inner base pipe 1 and the outer base pipe 3 to increase stress and prevent the base pipe from cracking caused by overlarge gas pressure, the second reinforcing belt 4 is spirally wound outside the outer base pipe 3, the outer rubber coating 41 outside the second reinforcing belt 4 is made of ultra-high molecular weight polyethylene, and has super-strong wear resistance, self-lubrication, high strength, stable chemical property and strong ageing resistance, while the steel strip 43 increases the pressure resistance of the PE pipe and the corrosion protection layer 42 increases the corrosion resistance of the PE pipe.
The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The utility model provides a wear-resisting, anti fish tail bury ground with PE gas pipeline, includes interior base pipe (1), first strengthening band (2), outer base pipe (3) and second strengthening band (4), its characterized in that, interior base pipe (1) sets up in outer base pipe (3) inboard, first strengthening band (2) set up including between base pipe (1) and outer base pipe (3), second strengthening band (4) are the heliciform and encircle on outer base pipe (3).
2. A wear-resistant and scratch-resistant buried PE gas pipeline according to claim 1, characterized in that the second reinforcing belt (4) comprises an outer rubber coating (41), a steel belt (43), a boss (44) and an inner rubber coating (45), the outer rubber coating (41) is arranged outside the inner rubber coating (45), the inner side of the inner rubber coating (45) is fixedly connected with the outer base pipe (3), the steel belt (43) is arranged between the outer rubber coating (41) and the inner rubber coating (45), and the bosses (44) are arranged on the left and right sides of the steel belt (43).
3. A wear and scratch resistant PE gas pipeline for underground use according to claim 2, characterized in that the second reinforcing strip (4) is provided with an anti-corrosion layer (42) on the outer surface of the corresponding steel strip (43).
4. A wear and scratch resistant buried PE gas pipeline according to claim 1, characterized in that the first reinforcing tape (2) is a tubular nylon mesh.
5. The wear-resistant scratch-resistant buried PE gas pipeline as claimed in claim 1, wherein the inner base pipe (1) is made of high-pressure polyethylene, and the outer base pipe (3) is made of high-density polyethylene.
6. A wear and scratch resistant buried PE gas pipeline according to claim 2, characterized in that the material of the outer coating (41) is ultra high molecular weight polyethylene.
7. A wear and scratch resistant buried PE gas pipeline according to claim 3, characterised in that the corrosion protection layer (42) is made of modified raw lacquer emulsion paint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719822.3U CN209960019U (en) | 2019-05-17 | 2019-05-17 | Wear-resisting, anti-scratch bury ground and use PE gas pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920719822.3U CN209960019U (en) | 2019-05-17 | 2019-05-17 | Wear-resisting, anti-scratch bury ground and use PE gas pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209960019U true CN209960019U (en) | 2020-01-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920719822.3U Active CN209960019U (en) | 2019-05-17 | 2019-05-17 | Wear-resisting, anti-scratch bury ground and use PE gas pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209960019U (en) |
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2019
- 2019-05-17 CN CN201920719822.3U patent/CN209960019U/en active Active
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