CN202901581U - Fiber-reinforced flexible pipe - Google Patents
Fiber-reinforced flexible pipe Download PDFInfo
- Publication number
- CN202901581U CN202901581U CN 201220577098 CN201220577098U CN202901581U CN 202901581 U CN202901581 U CN 202901581U CN 201220577098 CN201220577098 CN 201220577098 CN 201220577098 U CN201220577098 U CN 201220577098U CN 202901581 U CN202901581 U CN 202901581U
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- flexible pipe
- fiber reinforcement
- fiber
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Abstract
The utility model relates to a fiber-reinforced flexible pipe. The fiber-reinforced flexible pipe comprises a lining layer, a multilayer reinforcement layer wound on the polymer lining layer and a protective sleeve sleeved outside the reinforcement layer, the reinforcement layer sequentially comprises pressure resisting layers, a hoop reinforcement layer and tensile layers from inside to outside, and a bushing is arranged between the hoop reinforcement layer and the tensile layers. The fiber-reinforced flexible pipe has the advantages of simple structure, reasonable design, metal freeness, pressure resistance, corrosion resistance, yieldingness and the like, can be used for transportation of various fluids and petroleum in particular, and is used for land surface, deep underground, coastal water and deep sea environments with the depth larger than 100 meters in particular.
Description
Technical field
The utility model relates to a kind of pipeline for the multiple fluid transportation, and especially a kind of fiber reinforcement flexible pipe belongs to the delivering pipe technical field.
Background technique
Along with the development of oil and gas industry, the novel pipeline of function admirable constantly is developed, and submarine pipeline mainly is steel pipe, flexible pipe two classes, and wherein steel pipe is to be made by metallic material, and flexible pipe is to be composited by metal and polymer.Compare flexible pipe with steel pipe and have designability, the advantage such as flexible, recyclable, economic environmental protection, especially applicable ocean environment.The flexible pipes that adopt in marginal oil field more, because it is easily laid, recyclable, duration weak point, can significantly reduce engineering construction and operation cost, because the advantage of above-mentioned flexible pipe, flexible pipe is applied in fields such as marine riser and marginal oil fields, can realize long distance, super deep water, multidirectional conveying petroleum resources, existing marine riser about 85% is flexible pipe.But contain part metals in the most flexible pipe, therefore in use flexible pipe is perishable, and its Rigidity and strength is low, frangibility.
The model utility content
The purpose of this utility model is: for the problem that above-mentioned prior art exists, propose a kind of anticorrosively, can improve the fiber reinforcement flexible pipe of strength and stiffness.
In order to reach above purpose; the technological scheme that the utility model provides is that the fiber reinforcement flexible pipe comprises inside liner; be wrapped in the multilayer enhancement layer on the inside liner; and be enclosed within the outer protecting jacket of enhancement layer; described enhancement layer comprises Withstand voltage layer, hoop strengthened layer and tensile layer from the inside to the outside successively, is provided with lining between described hoop strengthened layer and tensile layer.
In the technique scheme, wherein said Withstand voltage layer and tensile layer form by the even level layer of fibers, and described every layer of layer of fibers is by being spirally wound on the fibrous of inner tube layer.
In the technique scheme, wherein said adjacent two fibrolaminar fiber spiral winding directions are opposite, are provided with polymer film between described adjacent two layer of fibers.
In the technique scheme, wherein said described Withstand voltage layer is comprised of the first layer of fibers and the second layer of fibers, and the described first fibrolaminar Filament-wound Machine angle is 50~60 °, and the described second fibrolaminar winding angle is 120~130 °.
In the technique scheme, wherein said tensile layer is comprised of the 4th layer of fibers and the 5th layer of fibers, and the described the 4th fibrolaminar Filament-wound Machine angle is 20~30 °, and the described the 5th fibrolaminar Filament-wound Machine angle is 150~160 °.
In the technique scheme, wherein said hoop strengthened layer is comprised of the 3rd layer of fibers, and described the 3rd layer of fibers is by being spirally wound on fibrous on the Withstand voltage layer, and its Filament-wound Machine angle is 80~90 °, is provided with polymer film between described the 3rd layer of fibers and the Withstand voltage layer.
In the technique scheme, wherein said the 3rd layer of fibers is provided with lining outward, is provided with polymer film between described lining and the 3rd layer of fibers.
In the technique scheme, have several pores on described protecting jacket, lining and the polymer film therein.
The utility model has the advantage of: fiber reinforcement flexible pipe of the present utility model is simple in structure; reasonable in design; have without metal, the advantage such as withstand voltage, corrosion-resistant and flexible; can be used for the especially transportation of oil of multiple fluid; and being used for top and underground buried, the coastal waters is especially greater than in 100 meters the abyssal environment.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model embodiment one schematic diagram.
Embodiment
Embodiment one
The fiber reinforcement flexible pipe of present embodiment; its structure as shown in Figure 1; comprise polymer inner liner layer 1; be wrapped in the multilayer enhancement layer on the polymer inner liner layer 1; and be enclosed within the outer polymer protecting jacket 6 of enhancement layer; polymer inner liner layer 1 and polymer protecting jacket 6 provide corrosion resistant inner and outer surface for flexible pipe; wherein enhancement layer comprises Withstand voltage layer 2, hoop strengthened layer 3 and tensile layer 5 from the inside to the outside successively; between hoop strengthened layer 3 and tensile layer 5, be provided with polymer bushings 4; polymer bushings 4 can prevent that seawater from entering in the pipe, but Exhaust Gas again simultaneously.Withstand voltage layer 2 and tensile layer 5 form by two-layer at least even level layer of fibers; every layer of layer of fibers is by fibrous at the flexible pipe internal layer of spiral continuous winding; adjacent two fibrolaminar fiber spiral winding directions are opposite; and between adjacent two layer of fibers, be provided with polymer film 8; to reduce the wearing and tearing between the layer of fibers, play the fibrolaminar effect of protection.
Wherein, Withstand voltage layer 2 is comprised of the first layer of fibers and the second layer of fibers, the first layer of fibers is made of the fiber that is spirally wound on the inside liner 1, its Filament-wound Machine angle is 50~60 °, the second layer of fibers is by being spirally wound on fibrous on the first layer of fibers, its winding angle is 120~130 °, is provided with polymer film 8 between the first layer of fibers and the second layer of fibers; Hoop strengthened layer 3 is comprised of the 3rd layer of fibers, and the 3rd layer of fibers is by being spirally wound on fibrous on the second layer of fibers, and its Filament-wound Machine angle is 80~90 °, is provided with polymer film 8 between the 3rd layer of fibers and the second layer of fibers; The 3rd layer of fibers is provided with polymer bushings 4 outward, is provided with polymer film 8 between polymer bushings 4 and the 3rd layer of fibers; Tensile layer 5 is comprised of the 4th layer of fibers and the 5th layer of fibers, the 4th layer of fibers is by being spirally wound on fibrous on the polymer bushings 4, its Filament-wound Machine angle is 20~30 °, the 5th layer of fibers is by being spirally wound on fibrous on the 4th layer of fibers, its Filament-wound Machine angle is 150~160 °, is provided with polymer film 8 between the 4th layer of fibers and the 5th layer of fibers.In addition, contain in the pipe layer of flexible pipe in order to prevent gas molecule, have several pores 7 at above-mentioned polymer protecting jacket 6, polymer bushings 4 and polymer film 8, gas molecule is passed through, avoid it to contain in the pipe layer.The aperture design of pore 7 is avoided managing inside and outside liquid and is leaked by pore 7 when guaranteeing that pressurized gas pass through.
During use, inside liner 1 is by thermoplastic resin direct extrusion moldings such as polythene PE, polyamide PA and polyvinylidene fluoride PVDF, and protecting jacket 6, lining 4 and polymer film 8 be by the high density polyethylene direct extrusion molding, and above-mentioned material has preferably corrosion resistance; And fiber adopts the aramid fibre with better intensity, and this fiber can be dried fibres untreated or that processed, keeps certain high tension during winding, so that layer of fibers is tried one's best and pressed close to be wound layer, relatively moves between every one deck simultaneously.In addition, when applying certain counterweight, this flexible pipe can use in the seabed, and in this case, pipeline can be resisted the interior pressure that the attached hydraulic fluid in the external pressure of seawater and the pipeline produces, and anti-low temperature to a certain degree when using.
In addition to the implementation, the utility model also can have other mode of executions.All employings are equal to the technological scheme of replacement or equivalent transformation formation, drop on the protection domain of the utility model requirement.
Claims (8)
1. fiber reinforcement flexible pipe; it is characterized in that: comprise inside liner; be wrapped in the multilayer enhancement layer on the polymer inner liner layer; and be enclosed within the outer protecting jacket of enhancement layer; described enhancement layer comprises Withstand voltage layer, hoop strengthened layer and tensile layer from the inside to the outside successively, is provided with lining between described hoop strengthened layer and tensile layer.
2. fiber reinforcement flexible pipe according to claim 1 is characterized in that: described Withstand voltage layer and tensile layer form by the even level layer of fibers, and described every layer of layer of fibers is by being spirally wound on the fibrous of inner tube layer.
3. fiber reinforcement flexible pipe according to claim 2, it is characterized in that: described adjacent two fibrolaminar fiber spiral winding directions are opposite, are provided with polymer film between described adjacent two layer of fibers.
4. fiber reinforcement flexible pipe according to claim 3, it is characterized in that: described Withstand voltage layer is comprised of the first layer of fibers and the second layer of fibers, the described first fibrolaminar Filament-wound Machine angle is 50~60 °, and the described second fibrolaminar winding angle is 120~130 °.
5. fiber reinforcement flexible pipe according to claim 3, it is characterized in that: described tensile layer is comprised of the 4th layer of fibers and the 5th layer of fibers, the described the 4th fibrolaminar Filament-wound Machine angle is 20~30 °, and the described the 5th fibrolaminar Filament-wound Machine angle is 150~160 °.
6. fiber reinforcement flexible pipe according to claim 1, it is characterized in that: described hoop strengthened layer is comprised of the 3rd layer of fibers, described the 3rd layer of fibers is by being spirally wound on fibrous on the Withstand voltage layer, its Filament-wound Machine angle is 80~90 °, is provided with polymer film between described the 3rd layer of fibers and the Withstand voltage layer.
7. fiber reinforcement flexible pipe according to claim 6, it is characterized in that: described the 3rd layer of fibers is provided with lining outward, is provided with polymer film between described lining and the 3rd layer of fibers.
8. described fiber reinforcement flexible pipe is characterized in that: have several pores at described protecting jacket, lining and polymer film according to claim 1-7.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220577098 CN202901581U (en) | 2012-11-05 | 2012-11-05 | Fiber-reinforced flexible pipe |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220577098 CN202901581U (en) | 2012-11-05 | 2012-11-05 | Fiber-reinforced flexible pipe |
Publications (1)
Publication Number | Publication Date |
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CN202901581U true CN202901581U (en) | 2013-04-24 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201220577098 Expired - Lifetime CN202901581U (en) | 2012-11-05 | 2012-11-05 | Fiber-reinforced flexible pipe |
Country Status (1)
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CN (1) | CN202901581U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106014289A (en) * | 2016-06-16 | 2016-10-12 | 河北恒安泰油管有限公司 | Downhole coiled tubing |
CN112682586A (en) * | 2019-10-18 | 2021-04-20 | 泰克尼普法国公司 | Flexible pipe for transporting natural gas and/or petroleum fluids submerged in a body of water |
-
2012
- 2012-11-05 CN CN 201220577098 patent/CN202901581U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106014289A (en) * | 2016-06-16 | 2016-10-12 | 河北恒安泰油管有限公司 | Downhole coiled tubing |
CN112682586A (en) * | 2019-10-18 | 2021-04-20 | 泰克尼普法国公司 | Flexible pipe for transporting natural gas and/or petroleum fluids submerged in a body of water |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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CX01 | Expiry of patent term |