CN108758118A - A kind of deep-sea flexible composite pipe - Google Patents
A kind of deep-sea flexible composite pipe Download PDFInfo
- Publication number
- CN108758118A CN108758118A CN201810916425.5A CN201810916425A CN108758118A CN 108758118 A CN108758118 A CN 108758118A CN 201810916425 A CN201810916425 A CN 201810916425A CN 108758118 A CN108758118 A CN 108758118A
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- flexible composite
- composite pipe
- sea
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- 239000002131 composite material Substances 0.000 title claims abstract description 33
- 239000010410 layer Substances 0.000 claims abstract description 101
- 230000006835 compression Effects 0.000 claims abstract description 27
- 238000007906 compression Methods 0.000 claims abstract description 27
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 22
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims abstract description 11
- 239000011229 interlayer Substances 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims description 32
- 239000002346 layers by function Substances 0.000 claims description 28
- 239000003365 glass fiber Substances 0.000 claims description 12
- 238000000576 coating method Methods 0.000 claims description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 10
- 239000011248 coating agent Substances 0.000 claims description 10
- 239000010959 steel Substances 0.000 claims description 10
- 239000000565 sealant Substances 0.000 claims description 9
- 239000002356 single layer Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 5
- 229920000728 polyester Polymers 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000005452 bending Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 239000004698 Polyethylene Substances 0.000 description 7
- 229920000573 polyethylene Polymers 0.000 description 5
- 239000004743 Polypropylene Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 230000003068 static effect Effects 0.000 description 4
- 239000003063 flame retardant Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- -1 Polyethylene Polymers 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/04—Hoses, i.e. flexible pipes made of rubber or flexible plastics
- F16L11/11—Hoses, i.e. flexible pipes made of rubber or flexible plastics with corrugated wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L11/00—Hoses, i.e. flexible pipes
- F16L11/24—Hoses, i.e. flexible pipes wound from strips or bands
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Laminated Bodies (AREA)
Abstract
The invention 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 can be effectively prevented high-temperature medium and the interior negative pressure of pipe 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, ensure that the deep-sea flexible composite pipe of the present invention not only has the ability suitable for deep ocean work, but also meets the performance requirement of the minimum bending radius and the property coiled of traditional reinforced thermoplastics multiple tube again.
Description
Technical field
The present invention relates to a kind of reinforced thermoplastics multiple tube more particularly to a kind of deep-sea suitable for deep ocean work are soft
Property multiple tube.
Background technology
Reinforced thermoplastics multiple tube（Reinforced Thermo plastic Pipe, abbreviation RTP）It 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 make coiling（Continuous pipe）Form, often disk length is 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
Kind synthetic fibers（Such as aramid fiber）, inorfil（Such as glass fibre, basalt fibre）, steel wire etc. enhancing band or directly is first made
Using steel band, enhanced by winding；Outer layer is generally polyolefin（PE is in the majority at present）Function and protecting layer（It is such as anti-scratch, anti-
Electrostatic, fire-retardant etc.）, to meet different application requirements；It is conventional to enhance but for abyssal environment and marine riser dynamic operation condition
Thermoplastic composite plastic tube cannot be satisfied the job requirements under the high external pressure in deep-sea, high-temperature medium, strong axial load and dynamic load.
Invention content
In order to solve the above technical problems, the present invention devises a kind of deep-sea flexible composite pipe suitable for deep ocean work.
The present invention adopts the following technical scheme that：
A kind of deep-sea flexible composite pipe, structure include successively from inside to outside liner layer, functional layer, liner sealant, outside resistance to compression
Enhancement layer, functional layer, resistance to compression interior enhancement layer, scuff-resistant coating, tensile layer, functional layer, external protection；The mutual spiral winding of each interlayer or
It bonds and forms multiple tube, liner layer is metal bellows structure, and resistance to compression outer enhancement layer is spiral winding buckle structure.Liner layer is
Metal bellows structure with Anticorrosive Character not only can effectively prevent inner tube caused by negative pressure in high-temperature medium and pipe and collapse,
And the requirement of multiple tube bending property can be met, service life is long；Spiral winding buckle structure is not only that pipeline offer is higher
Hoop rigidity makes flexible composite pipe have stronger critical external compressive resistance ability；And meet the minimum of reinforced thermoplastics multiple tube
Bending 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 shapes.
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 simultaneously can be with isolating metal layer（Resistance to compression enhancement layer, tensile layer）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 have
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）Deng.
Preferably, the cross section of the spiral winding buckle structure can be the double-deck interlocked U-shaped structure or single layer self-locking
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, bonding can be directly wound by glass fibre and formed, it also can be by more
It is wound after layer glass fibre prepreg tape and bonding forms 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 more than 75%, and winding angle is according to geometric mechanics
It determines, thickness in monolayer, width and winding layer is several is 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 with the pipeline that axial strength requires, tensile layer and its adjacent layer --- scuff-resistant coating and functional layer are
It must take into consideration and add；For high-temperature medium or negative pressure operating mode, liner layer and its adjacent layer --- functional layer is also to have to examine
What worry was added.
The beneficial effects of the invention are as follows：A kind of deep-sea flexible composite pipe of the present invention is multifunction flexible multiple tube, is compared
In 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 can be effectively prevented negative pressure in high-temperature medium and pipe and ground inner tube is caused to collapse, and middle person provides compared with epipodium for multiple tube to rigid
Degree, resists the high outer compressive load in deep-sea, and the latter can bear the dynamic loads such as stormy waves stream；Interlayer is optimized according to each layer design feature simultaneously
Bridging mode, guarantee give full play to each layer function, ensure that the deep-sea flexible composite pipe of the present invention not only has and are suitable for deep-sea work
The ability of industry, and the performance of the minimum bending radius and the property coiled of traditional reinforced thermoplastics multiple tube is met again
It is required that.
Description of the drawings
Fig. 1 is a kind of cross section view of the present invention；
Fig. 2 is a kind of structural schematic diagram of the present invention；
Fig. 3 is another structural schematic diagram of the present invention；
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 present invention；
Fig. 5 is a kind of structural schematic diagram of resistance to compression outer enhancement layer U-shaped buckle structure in the present invention；
Fig. 6 is a kind of structural schematic diagram of tensile layer in the present invention；
Fig. 7 is a kind of structural schematic diagram for the dynamic standpipe that the present invention is suitable for deep-sea conveying non high temperature medium；
Fig. 8 is a kind of structural schematic diagram of the present invention 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 present invention 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, lock
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 protection
Layer.
Specific implementation mode
Below by specific embodiment, and in conjunction with attached drawing, technical scheme of the present invention is further described：
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 suitable for deep
The dynamic standpipe of sea conveying high-temperature medium, structure include liner layer 1, functional layer 2, liner sealant 3, resistance to compression successively from inside to outside
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 is mutual
Spiral winding or bonding form reinforced thermoplastics multiple tube；Wherein liner layer 1 is with antiseptic property and to meet multiple tube
It is bent desired metal bellows structure, effectively prevent inner tube caused by negative pressure in high-temperature medium and pipe to collapse, cross section is special
Levy first choice U or Ω shapes；Functional layer 2 is entwined by the polyester belt multilayer parallel with sealing characteristics is overlapping, to sealed liner
Layer 1；Liner sealant 3, scuff-resistant coating 7 and external protection 10 are thermoplastic pipes, have it is corrosion-resistant, wear-resistant, anti-scratch,
The functions such as weather-proof, fire-retardant, antistatic can select the material with specific function, such as according to pumped (conveying) medium characteristic or external environment
Polyethylene（PE）, polypropylene（PP）, heat-proof polythene（PERT）, nylon（PA）, POK, PVDF etc.；Resistance to compression outer enhancement layer is spiral
Buckle structure 4-1 is wound, only pipeline does not provide higher hoop rigidity, and flexible composite pipe is enable to have stronger critical external compressive resistance
Power；And the performance requirement that meets the minimum bending radius of reinforced thermoplastics multiple tube and can coil, such as attached drawing 4 and attached drawing
Shown in 5, lock form includes the sleeping zigzag configuration of the double-deck interlocked U-shaped structure and single layer self-locking, and every layer of edge buckle structure 4-1
The winding of pipe axial screw can slide there are certain lock gap 4-2；Functional layer 5,8 congenerous layers 2 are the same by having sealing special
Property polyester belt multilayer parallel it is overlapping be entwined, isolating metal layer（Resistance to compression enhancement layer, tensile layer）Adjacent interfacial friction is reduced,
Improve flexible composite pipe fatigue life；Resistance to compression interior enhancement layer 6 is physical pipe made of glass fibre bonds, can be straight by glass fibre
Winding bonding is connect to form or formed by winding after compound glass fiber prepreg tape and bonding layer by layer；As shown in Fig. 6, tensile layer 9
It is formed by even level flat steel bar 8-1 spiral windings, adjacent layer winding direction is on the contrary, every layer of flat steel bar is stayed along the winding of pipe axial screw
There is gap；Monolayer coverage is more than 75%, and winding angle is determined according to geometric mechanics, and thickness in monolayer, width and winding layer are several
It 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 conveying non high temperature
The dynamic standpipe of medium, structure remove liner layer 1, functional layer 2 with reference to embodiment 1, include liner sealant successively from inside to outside
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 Jie
The static pipe of matter, nothing bear high axial load demand；Structure removes scuff-resistant coating 7, tensile layer 8, functional layer 9 with reference to embodiment 1,
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 successively from inside to outside
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 conveying 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 with reference to embodiment 1
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 successively outward
Mutual spiral winding or bonding form reinforced thermoplastics multiple tube.
The deep-sea flexible composite pipe of the present invention is multifunction flexible multiple tube, multiple compared to traditional reinforced thermoplastics
Pipe is closed, metal bellows liner layer, resistance to compression outer enhancement layer and tensile layer are additionally arranged, wherein the former is situated between for that can be effectively prevented high temperature
Negative pressure causes ground inner tube to collapse in matter and pipe, and middle person provides higher hoop rigidity for multiple tube, resists the high outer compressive load in deep-sea, after
Person 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 ensures that the deep-sea flexible composite pipe of the present invention not only has the ability suitable for deep ocean work, but also meets biography again
The performance requirement of the minimum bending radius and the property coiled of the reinforced thermoplastics multiple tube of system；Simultaneously consider design requirement and
Economy, can designed, designed increase and decrease corresponding construction layer.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, on the premise of not exceeding the technical scheme recorded in the claims also other variations and modifications.
Claims (10)
1. a kind of deep-sea flexible composite pipe, characterized in that its structure is close including liner layer, functional layer, liner successively 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 that spiral winding latches
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 shapes.
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 sleeping zigzag configuration of the double-deck interlocked U-shaped structure or single layer self-locking.
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 bonds.
8. a kind of deep-sea flexible composite pipe according to claim 7, characterized in that the glass fibre bonds physical pipe,
It can directly be wound to bond by glass fibre and form or formed 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 |
|---|---|---|---|
| CN201810916425.5A CN108758118A (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 |
|---|---|---|---|
| CN201810916425.5A CN108758118A (en) | 2018-08-13 | 2018-08-13 | A kind of deep-sea flexible composite pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758118A true CN108758118A (en) | 2018-11-06 |
Family
ID=63969766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810916425.5A Pending CN108758118A (en) | 2018-08-13 | 2018-08-13 | A kind of deep-sea flexible composite pipe |
Country Status (1)
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| CN (1) | CN108758118A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458502A (en) * | 2018-12-27 | 2019-03-12 | 宁波安浮新能源科技有限公司 | A kind of super-pressure flexible hose |
| CN109538846A (en) * | 2018-12-26 | 2019-03-29 | 宁波安浮新能源科技有限公司 | A kind of Intelligent type flexible hose |
| CN109538847A (en) * | 2018-12-29 | 2019-03-29 | 宁波安浮新能源科技有限公司 | A kind of band self-repair function flexible hose |
| CN109555974A (en) * | 2018-12-12 | 2019-04-02 | 宁波安浮新能源科技有限公司 | A kind of flexible hose structure and hose detection system |
| CN109581606A (en) * | 2018-12-27 | 2019-04-05 | 宁波安浮新能源科技有限公司 | Multifunction flexible hose barrier tape |
| CN111300910A (en) * | 2020-04-01 | 2020-06-19 | 杭州智海人工智能有限公司 | Production process of continuous fiber reinforced composite material pipe |
| CN117146071A (en) * | 2023-08-24 | 2023-12-01 | 中国石油大学(北京) | Non-metal non-binding flexible mixed conveying pipe for deep sea mining and manufacturing method thereof |
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| CN208587620U (en) * | 2018-08-13 | 2019-03-08 | 宁波欧佩亚海洋工程装备有限公司 | A kind of deep-sea flexible composite pipe |
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| EP0253220A2 (en) * | 1986-07-14 | 1988-01-20 | Witzenmann GmbH Metallschlauch-Fabrik Pforzheim | Flexible pipe having ringshaped corrugations parallel to each other and an axial support |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109555974A (en) * | 2018-12-12 | 2019-04-02 | 宁波安浮新能源科技有限公司 | A kind of flexible hose structure and hose detection system |
| CN109538846A (en) * | 2018-12-26 | 2019-03-29 | 宁波安浮新能源科技有限公司 | A kind of Intelligent type flexible hose |
| CN109458502A (en) * | 2018-12-27 | 2019-03-12 | 宁波安浮新能源科技有限公司 | A kind of super-pressure flexible hose |
| CN109581606A (en) * | 2018-12-27 | 2019-04-05 | 宁波安浮新能源科技有限公司 | Multifunction flexible hose barrier tape |
| CN109538847A (en) * | 2018-12-29 | 2019-03-29 | 宁波安浮新能源科技有限公司 | A kind of band self-repair function flexible hose |
| CN111300910A (en) * | 2020-04-01 | 2020-06-19 | 杭州智海人工智能有限公司 | Production process of continuous fiber reinforced composite material pipe |
| CN117146071A (en) * | 2023-08-24 | 2023-12-01 | 中国石油大学(北京) | Non-metal non-binding flexible mixed conveying pipe for deep sea mining and manufacturing method thereof |
| CN117146071B (en) * | 2023-08-24 | 2024-06-11 | 中国石油大学(北京) | Non-metal non-binding flexible mixed conveying pipe for deep sea mining and manufacturing method thereof |
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