CN208587620U - A kind of deep-sea flexible composite pipe - Google Patents
A kind of deep-sea flexible composite pipe Download PDFInfo
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- CN208587620U CN208587620U CN201821296931.0U CN201821296931U CN208587620U CN 208587620 U CN208587620 U CN 208587620U CN 201821296931 U CN201821296931 U CN 201821296931U CN 208587620 U CN208587620 U CN 208587620U
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Abstract
The utility model discloses a kind of deep-sea flexible composite pipes, the deep-sea flexible composite pipe is comprehensive flexible composite pipe, compared to traditional reinforced thermoplastics multiple tube, it is additionally arranged metal bellows liner layer, resistance to compression outer enhancement layer and tensile layer, wherein the former, which can be effectively prevented high-temperature medium and manages interior negative pressure, causes ground inner tube to collapse, middle person provides higher hoop rigidity for multiple tube, resists the high outer compressive load in deep-sea, and the latter can bear the dynamic loads such as stormy waves stream；Interlayer bridging mode is optimized according to each layer design feature simultaneously, guarantee gives full play to each layer function, guarantee that the deep-sea flexible composite pipe of the utility model not only has the ability suitable for deep ocean work, but also meets the minimum bending radius of traditional reinforced thermoplastics multiple tube and the performance requirement for the property coiled again.
Description
Technical field
The utility model relates to a kind of reinforced thermoplastics multiple tube more particularly to a kind of depths suitable for deep ocean work
Extra large flexible composite pipe.
Background technique
Reinforced thermoplastics multiple tube (Reinforced Thermo plastic Pipe, abbreviation RTP) is to exist in recent years
A kind of plastic conduit that new development is got up in the world is mainly characterized by that higher operating pressure can either be born, while also maintaining
Polyethylene pipe centainly flexible advantage, can be made coiling (continuous pipe) form, every disk length from tens meters to nearly km,
It has been commonly utilized in land and part shallow sea petroleum, natural gas extraction, high pressure long distance delivery natural gas and various higher pressures
The pipeline field of power pumped (conveying) medium.Reinforced thermoplastics multiple tube is mainly characterized by tube wall and is made of three-decker, usually interior
Layer is the polyolefin inner tube of anticorrosive anti-wear (PE is in the majority at present)；Middle layer is layers of reinforcement, can use each of high intensity
Enhancing band or direct is first made in kind synthetic fibers (such as aramid fiber), inorfil (such as glass fibre, basalt fibre), steel wire
Using steel band, enhanced by winding；The function and protecting layer that outer layer is generally polyolefin (PE is in the majority at present) is (such as anti-scratch, anti-
Electrostatic, fire-retardant etc.), to meet different application requirements；It is conventional to enhance but for deep-marine-environment and marine riser dynamic operation condition
Thermoplastic composite plastic tube is unable to satisfy the job requirements under the high external pressure in deep-sea, high-temperature medium, strong axial load and dynamic load.
Utility model content
In order to solve the above technical problems, the utility model devises a kind of deep-sea flexible compound suitable for deep ocean work
Pipe.
The utility model adopts the following technical solution:
A kind of deep-sea flexible composite pipe, structure successively include liner layer, functional layer, liner sealant, resist from inside to outside
Press outer enhancement layer, functional layer, resistance to compression interior enhancement layer, scuff-resistant coating, tensile layer, functional layer, external protection；Each mutual spiral of interlayer twines
Around or bonding form multiple tube, liner layer is metal bellows structure, and resistance to compression outer enhancement layer is spiral winding buckle structure.Liner
Layer is the metal bellows structure with Anticorrosive Character, not only can effectively prevent high-temperature medium and manages inner tube caused by interior negative pressure and collapses
It falls into, and is able to satisfy the requirement of multiple tube bending property, long service life；Spiral winding buckle structure is not only that pipeline offer is higher
Hoop rigidity, make flexible composite pipe have stronger critical external compressive resistance ability；And meet reinforced thermoplastics multiple tube most
Small-bend radius and the performance requirement that can be coiled.
Preferably, the cross section of the metal bellows structure of the liner layer is U or Ω shape.
Preferably, the functional layer is entwined by the polyester belt multilayer parallel with sealing characteristics is overlapping.Functional layer
Mainly assist the sizing of adjacent thermoplastic pipes；It can isolate metal layer (resistance to compression enhancement layer, tensile layer) simultaneously and reduce phase
Adjacent interfacial friction improves flexible composite pipe fatigue life.
Preferably, the liner sealant, scuff-resistant coating and external protection are thermoplastic pipes.Thermoplastic pipes tool
There are the functions such as corrosion-resistant, wear-resistant, anti-scratch, weather-proof, fire-retardant, antistatic, can be selected according to pumped (conveying) medium characteristic or external environment
With the material with specific function, such as polyethylene (PE), polypropylene (PP), heat-proof polythene (PERT), POK, PVDF, nylon
(PA) etc..
Preferably, the cross section of the spiral winding buckle structure can be self-locking for the double-deck interlocked U-shaped structure or single layer
Sleeping zigzag configuration.
Preferably, every layer of buckle structure of the spiral winding buckle structure is wound along pipe axial screw, there are between certain
Gap can slide.
Preferably, the resistance to compression interior enhancement layer is physical pipe made of glass fibre bonding.
Preferably, the glass fibre bonds physical pipe, it can directly be wound and be bonded by glass fibre, it can also be by more
It winds after layer glass fibre prepreg tape and bonds layer by layer.
Preferably, the tensile layer is formed by even level flat steel bar spiral winding, adjacent layer winding direction is on the contrary, every layer
There are gaps along the winding of pipe axial screw for flat steel bar.The monolayer coverage of flat steel bar is greater than 75%, and winding angle is according to geometric mechanics
It determines, thickness in monolayer, width and winding layer number are required according to axial load.
Preferably, each structure sheaf of the deep-sea flexible composite pipe, can voluntarily increase and decrease corresponding construction according to actual condition
Layer.For dynamic standpipe or the pipeline required with axial strength, tensile layer and its adjacent layer --- scuff-resistant coating and functional layer are
It must be taken into consideration and add；For high-temperature medium or negative pressure operating condition, liner layer and its adjacent layer --- functional layer is also to have to examine
What worry was added.
The beneficial effects of the utility model are: a kind of deep-sea flexible composite pipe of the utility model is that multifunction flexible is compound
Pipe, compared to traditional reinforced thermoplastics multiple tube, is additionally arranged metal bellows liner layer, resistance to compression outer enhancement layer and tension
Layer, wherein the former, which can be effectively prevented high-temperature medium and manages interior negative pressure, causes ground inner tube to collapse, and middle person provides higher for multiple tube
Hoop rigidity, resists the high outer compressive load in deep-sea, and the latter can bear the dynamic loads such as stormy waves stream；It is excellent according to each layer design feature simultaneously
Change interlayer bridging mode, guarantee gives full play to each layer function, it is suitable to guarantee that the deep-sea flexible composite pipe of the utility model not only has
For the ability of deep ocean work, and meet traditional reinforced thermoplastics multiple tube minimum bending radius and can disk
The performance requirement of volume property.
Detailed description of the invention
Fig. 1 is a kind of cross section view of the utility model；
Fig. 2 is a kind of structural schematic diagram of the utility model；
Fig. 3 is another structural schematic diagram of the utility model；
Fig. 4 is a kind of structural schematic diagram of the sleeping Z-lock buckle structure of resistance to compression outer enhancement layer in the utility model；
Fig. 5 is a kind of structural schematic diagram of resistance to compression outer enhancement layer U-shaped buckle structure in the utility model；
Fig. 6 is a kind of structural schematic diagram of tensile layer in the utility model；
Fig. 7 is a kind of structural schematic diagram for the dynamic standpipe that the utility model is suitable for deep-sea conveying non high temperature medium；
Fig. 8 is a kind of structural schematic diagram of the utility model for the static pipe of deep-sea conveying high-temperature medium；
Fig. 9 is a kind of structural schematic diagram for the static pipe that the utility model is suitable for deep-sea conveying non high temperature medium；
In figure: 1, liner layer, 2, functional layer, 3, liner sealant, 4, resistance to compression outer enhancement layer, 4-1, buckle structure, 4-2,
Latch gap, 5, functional layer, 6, resistance to compression interior enhancement layer, 7, scuff-resistant coating, 8, tensile layer, 8-1, flat steel bar, 9, functional layer, 10, outer
Protective layer.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the technical solution of the utility model work is further specifically retouched
It states:
Embodiment 1: as illustrated in the accompanying drawings from 1 to 3, a kind of deep-sea flexible composite pipe of the present embodiment has multifunctional performance, is applicable in
In deep-sea conveying high-temperature medium dynamic standpipe, structure from inside to outside successively include liner layer 1, functional layer 2, liner sealant 3,
Resistance to compression outer enhancement layer 4, functional layer 5, resistance to compression interior enhancement layer 6, scuff-resistant coating 7, tensile layer 8, functional layer 9, external protection 10；Each interlayer
Mutual spiral winding or bonding form reinforced thermoplastics multiple tube；Wherein liner layer 1 is with antiseptic property and to meet multiple
The metal bellows structure that pipe bending requires is closed, inner tube caused by negative pressure in high-temperature medium and pipe is effectively prevent to collapse, it is transversal
Region feature first choice U or Ω shape；Functional layer 2 is entwined by the polyester belt multilayer parallel with sealing characteristics is overlapping, to seal
Liner layer 1；Liner sealant 3, scuff-resistant coating 7 and external protection 10 are thermoplastic pipes, are had corrosion-resistant, wear-resistant, anti-
The functions such as scraping, weather-proof, fire-retardant, antistatic can select the material with specific function according to pumped (conveying) medium characteristic or external environment
Material, such as polyethylene (PE), polypropylene (PP), heat-proof polythene (PERT), nylon (PA), POK, PVDF；Resistance to compression outer enhancement layer
For spiral winding buckle structure 4-1, only pipeline does not provide higher hoop rigidity, has flexible composite pipe stronger anti-outer
Pressure energy power；And the performance requirement that meets the minimum bending radius of reinforced thermoplastics multiple tube and can coil, such as 4 He of attached drawing
Shown in attached drawing 5, lock form includes the double-deck interlocked U-shaped structure and the self-locking sleeping zigzag configuration of single layer, and every layer of buckle structure 4-
1 winds along pipe axial screw there are certain lock gap 4-2, can slide；Functional layer 5,8 congenerous layers 2 are the same by with close
The polyester belt multilayer parallel of envelope characteristic is overlapping to be entwined, and isolating metal layer (resistance to compression enhancement layer, tensile layer) reduces adjacent interlayer
Friction improves flexible composite pipe fatigue life；Resistance to compression interior enhancement layer 6 is physical pipe made of glass fibre bonding, can be by glass
Fiber directly winds bonding and forms or by winding after compound glass fiber prepreg tape and bonding layer by layer；As shown in Fig. 6, resist
Draw layer 9 formed by even level flat steel bar 8-1 spiral winding, adjacent layer winding direction on the contrary, every layer of flat steel bar along pipe axial screw
There are gaps for winding；Monolayer coverage is greater than 75%, and winding angle is determined according to geometric mechanics, thickness in monolayer, width and winding
The number of plies is required according to axial load；It is finally outer cladding thermoplasticity external protection 10.
Embodiment 2: as shown in Fig. 7, a kind of deep-sea flexible composite pipe of the present embodiment is suitable for deep-sea and conveys non high temperature
The dynamic standpipe of medium, structure remove liner layer 1, functional layer 2 referring to embodiment 1, from inside to outside successively include liner sealant
3, resistance to compression outer enhancement layer 4, functional layer 5, resistance to compression interior enhancement layer 6, scuff-resistant coating 7, tensile layer 8, functional layer 9, external protection 10, each layer
Between mutually spiral winding or bonding form reinforced thermoplastics multiple tube.
Embodiment 3: as shown in Fig. 8, a kind of deep-sea flexible composite pipe of the present embodiment is suitable for deep-sea conveying high temperature and is situated between
The static pipe of matter, it is no to bear high axial load demand；Structure removes scuff-resistant coating 7, tensile layer 8, functional layer 9 referring to embodiment 1,
It from inside to outside successively include liner layer 1, functional layer 2, liner sealant 3, resistance to compression outer enhancement layer 4, functional layer 5, the interior enhancing of resistance to compression
Layer 6, external protection 10, the mutual spiral winding of each interlayer or bonding form reinforced thermoplastics multiple tube.
Embodiment 4: as shown in Fig. 9, a kind of deep-sea flexible composite pipe of the present embodiment is suitable for deep-sea and conveys non high temperature
The static pipe of medium, structure remove liner layer 1, functional layer 2, scuff-resistant coating 7, tensile layer 8, functional layer 9, by interior referring to embodiment 1
It outward successively include liner sealant 3, resistance to compression outer enhancement layer 4, functional layer 5, resistance to compression interior enhancement layer 6, external protection 10, each interlayer
Mutual spiral winding or bonding form reinforced thermoplastics multiple tube.
The deep-sea flexible composite pipe of the utility model is multifunction flexible multiple tube, is moulded compared to traditional enhancing thermoplasticity
Expect multiple tube, be additionally arranged metal bellows liner layer, resistance to compression outer enhancement layer and tensile layer, wherein the former is that height can be effectively prevented
Negative pressure causes ground inner tube to collapse in warm medium and pipe, and middle person provides higher hoop rigidity for multiple tube, resists the high outer ballast in deep-sea
Lotus, the latter can bear the dynamic loads such as stormy waves stream；Interlayer bridging mode is optimized according to each layer design feature simultaneously, ensures sufficiently hair
Each layer function is waved, guarantees that the deep-sea flexible composite pipe of the utility model not only has the ability suitable for deep ocean work, Er Qieyou
Meet the minimum bending radius of traditional reinforced thermoplastics multiple tube and the performance requirement for the property coiled；Consider to set simultaneously
Meter demand and economy, can designed, designed increase and decrease corresponding construction layer.
Embodiment described above is a kind of preferable scheme of the utility model, is not made to the utility model any
Formal limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of deep-sea flexible composite pipe, characterized in that its structure is successively close including liner layer, functional layer, liner from inside to outside
Sealing, resistance to compression outer enhancement layer, functional layer, resistance to compression interior enhancement layer, scuff-resistant coating, tensile layer, functional layer, external protection；Each interlayer phase
Mutual spiral winding or bonding form multiple tube, and liner layer is metal bellows structure, and resistance to compression outer enhancement layer is spiral winding lock
Structure.
2. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the metal bellows knot of the liner layer
The cross section of structure is U or Ω shape.
3. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the functional layer is by with sealing characteristics
Polyester belt multilayer parallel overlapping be entwined.
4. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the liner sealant, scuff-resistant coating and
External protection is thermoplastic pipes.
5. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the cross of the spiral winding buckle structure
Section can be the double-deck interlocked U-shaped structure or the self-locking sleeping zigzag configuration of single layer.
6. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the spiral winding buckle structure it is every
There are certain intervals along the winding of pipe axial screw for layer buckle structure, can slide.
7. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the resistance to compression interior enhancement layer is glass fibers
Physical pipe made of dimension bonding.
8. a kind of deep-sea flexible composite pipe according to claim 7, characterized in that the glass fibre bonds physical pipe,
Bonding can be directly wound by glass fibre to form or by winding after compound glass fiber prepreg tape and bonding layer by layer.
9. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the tensile layer is by even level flat steel bar
Spiral winding forms, and there are gaps on the contrary, every layer of flat steel bar is along the winding of pipe axial screw for adjacent layer winding direction.
10. a kind of deep-sea flexible composite pipe according to claim 1, characterized in that the deep-sea flexible composite pipe it is each
Structure sheaf can voluntarily increase and decrease corresponding construction layer according to actual condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296931.0U CN208587620U (en) | 2018-08-13 | 2018-08-13 | A kind of deep-sea flexible composite pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821296931.0U CN208587620U (en) | 2018-08-13 | 2018-08-13 | A kind of deep-sea flexible composite pipe |
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| Publication Number | Publication Date |
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| CN208587620U true CN208587620U (en) | 2019-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821296931.0U Active CN208587620U (en) | 2018-08-13 | 2018-08-13 | A kind of deep-sea flexible composite pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758118A (en) * | 2018-08-13 | 2018-11-06 | 宁波欧佩亚海洋工程装备有限公司 | A kind of deep-sea flexible composite pipe |
| CN110513548A (en) * | 2019-08-29 | 2019-11-29 | 德璐氏工业技术无锡有限公司 | A kind of enhancing hose flexible |
| CN112503281A (en) * | 2020-11-19 | 2021-03-16 | 陈宝明 | High-strength conveying pipeline for deep sea operation |
-
2018
- 2018-08-13 CN CN201821296931.0U patent/CN208587620U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758118A (en) * | 2018-08-13 | 2018-11-06 | 宁波欧佩亚海洋工程装备有限公司 | A kind of deep-sea flexible composite pipe |
| CN110513548A (en) * | 2019-08-29 | 2019-11-29 | 德璐氏工业技术无锡有限公司 | A kind of enhancing hose flexible |
| CN112503281A (en) * | 2020-11-19 | 2021-03-16 | 陈宝明 | High-strength conveying pipeline for deep sea operation |
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