CN201982820U - Floating type oil hose - Google Patents
Floating type oil hose Download PDFInfo
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- CN201982820U CN201982820U CN2011200470333U CN201120047033U CN201982820U CN 201982820 U CN201982820 U CN 201982820U CN 2011200470333 U CN2011200470333 U CN 2011200470333U CN 201120047033 U CN201120047033 U CN 201120047033U CN 201982820 U CN201982820 U CN 201982820U
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Abstract
The utility model discloses a floating type oil hose, which comprises a pipe body and a pipe end part, wherein the pipe end part comprises a flange and a short section; the pipe body comprises an inner rubber layer, a cord reinforcing layer, a first steel wire reinforcing layer, a middle rubber layer, a pipe body layer, a floating layer and an outer layer; and the flange is fixedly connected with the pipe body through the short section. The floating type oil hose is not easy to break; the service life of the floating type oil hose can be prolonged; and the floating type oil hose can be reliably used in a severe environment.
Description
Technical field
The utility model relates to a kind of oil transport pipeline, particularly relates to a kind of floating type oil hose.
Background technique
Marine petroleum development fast development in recent years, the offshore oil production terminal that some are novel, for example Floating Production oil storage and emptying unit (FPSO) typically are used to exploit the oil storage that is positioned under water, and FPSO can draw oil from the many oil wells that got out under water.After extraction oil was pumped again, crude oil was stored among the FPSO temporarily.Then this crude oil is transferred on the shuttle tanker, so that be sent to the position of expectation, for example oil refinery.Yet, crude oil is transferred to marine shuttle tanker from FPSO is one and requires high work, because lasting relative movement is arranged between container.In disadvantageous weather condition, for example Gao Lang, strong wind and sea have during the heavy storm, and it is difficult more that this work just becomes.At present, the transport pipe of floating type is widely used in carrying oil product between the object on the water surface.
A kind of self-floating type transport pipe is disclosed among the Chinese patent CN277544Y, include a segment pipe and the adpting flange that is fixed on pipe ends, the tube wall of this pipeline is a multi-layer structure, be inner glue layer, enhancement layer, mesoglea, floating material layer, transition glue-line, hoop layer and outer glue-line from the inside to the outside, wherein inner glue layer, mesoglea, transition glue-line and outer glue-line are rubber material, and enhancement layer, hoop layer are twined by multilaminar high strength degree cord fabric and constitute.This self-floating type transport pipe can be used for the oil transportation waterborne under the conventional environment, but the intensity of its pipeline is lower, is not suitable under the bigger condition of stormy waves, especially the oil transportation waterborne in the ocean environment.
Be applicable at present to connect offshore oil production terminal (as FPSO/FSO/FSU or ocean platform) and shuttle tanker, the crude oil that the oil recovery terminal is exploited out directly sharply rises by the demand of line transportation to the flotation hose of export tanker.Only be example, be used for nearly 600 of the flotation hose use amount of conveying crude oil between FPSO and the shuttle tanker and reserve level with the FPSO that is using at present.The current domestic precedent that yet there are no the flotation hose industrialization that is used for outer defeated FPSO, and the cost of purchasing a flotation hose is generally at 25-30 ten thousand RMB, not only the expense costliness, also exist the buying difficulty big, supply cycle is long, buy limited, need to keep problems such as certain quantity in stock, M R inconvenience.Therefore the flotation hose that is using at present also exists some problems in actual use because its design parameter, experimental situation and Chinese domestic ocean environment there are differences at aspects such as water quality, water temperature, pH value, salinity and stormy waves in addition.Such as: 1) structural integrity of flexible pipe is bad, it is relatively poor that pipeline bears the ability of variation in pressure, especially under the situation that the oil flow of carrying in short tube increases, pressure increases, the contacted position of the pipe nipple of flotation hose end flange and inner glue layer is owing to be to twine gluing be combined into by the material that two kinds of rigidity and surface properties differ greatly, therefore be prone to most in conjunction with not firm and produce the space, cause the high pressure crude oil in the pipe from inside to outside to squeeze other each layer reinforced layers of broken inner glue layer and its outside thus and form the crack, cause crude oil leakage in the end; 2) anti-interior pressure of each rubber layer in the flexible pipe, tensility is relatively poor, because the outside Environmental Conditions of flotation hose changes greatly, Gao Lang, strong wind and heavy rain all can cause the relative position between interior offshore oil production terminal of short time and the shuttle tanker to take place obviously to change, make the flotation hose that is in user mode bear bigger tension variations, oil flow increases simultaneously, pressure also can make each rubber layer in the flexible pipe bear the interior pressure of certain intensity when increasing, anti-interior pressure of rubber, tensility directly has influence on the moment stretch rate and permanent elongation rate of flotation hose, if press in it is anti-, the tensility difference causes fatigue of materials easily, cause the distortion of flexible pipe to recover, directly produce damaged phenomenon of rupture even; 3) the flexible pipe superficies are coarse, existence is a large amount of caves in and microgroove, provide the place for marine organisms and microbial growth easily, cause the flotation hose deadweight to increase, influence its flotation property, outer field depression and microgroove place are because biological growth metabolism effect than the easier season cracking in smooth position on top layer, causes outer damaged and floating layer to expose simultaneously.
The existence of above defective causes the present easily aging breakage of using of flotation hose weak point in working life, pipeline, operational safety is low under rugged environment, has had a strong impact on China's offshore oil industrial expansion.In addition according to investigation, if flotation hose can industrial scaleization, every flexible pipe can be saved 50% expense, and economic benefit is obvious, can also promote the development of relevant enterprises such as rubber production, Component production simultaneously.Therefore develop the outer defeated flexible pipe that is fit to Chinese ocean environment, realize FPSO outward the industrial scaleization of defeated flexible pipe not only can fill up the blank of domestic production, satisfy the needs of Domestic market, but also can crack the international market, have vast market prospect.
The model utility content
The floating type oil hose that the utility model provides a kind of not cracky, can increase the service life and can reliably use under rugged environment for the technical problem that exists in the solution known technology.
The technological scheme that the utility model is taked for the technical problem that exists in the solution known technology is: a kind of floating type oil hose, comprise body and pipe end parts, described pipe end parts comprise flange and pipe nipple, the innermost layer of described body is an inner glue layer, what be adjacent in the outside of described inner glue layer is cord reinforcing layer, the first steel wire reinforced layer that the outside of described cord reinforcing layer is adjacent, the described first steel wire reinforced layer is formed by a plurality of rubber that are provided with first steel traveler of spacing and are filled between them that are wrapped in the described cord reinforcing layer outside, and what be adjacent in the outside of the described first steel wire reinforced layer is mesoglea; Be provided with the body layer in the outside of described mesoglea, what be adjacent in the outside of described body layer is floating layer, and what be adjacent in the outside of described floating layer is outer; End at the close described pipe nipple of described cord reinforcing layer is connected with the pipe nipple winding steel wire, fixedly connected by described pipe nipple between described flange and the described body, described pipe nipple is provided with the rib that raises up, and described rib and described pipe nipple winding steel wire are provided with at interval and cooperatively interact.
Be provided with the second steel wire reinforced layer between described first steel wire reinforced layer and described body layer, the described second steel wire reinforced layer is formed by a plurality of rubber that are provided with second steel traveler of spacing and are filled between them that are wrapped in the described first steel wire reinforced layer outside.
The steel wire diameter of described second steel traveler is less than or equal to the steel wire diameter of described first steel traveler.
Described second steel traveler and the described first steel traveler interlaced arrangement.
Be provided with outer cord floor between described first steel wire reinforced layer and described body layer, described outer cord floor is begun to form along the winding of body direction from described pipe nipple by cord.
Cord winding angle in the described cord reinforcing layer is 35 °～70 °.
Cord winding angle in the described cord reinforcing layer is 45 °～60 °.
Comprise the multilayer cord in the described cord reinforcing layer, and form multilayer reinforcing cord layer from twining one section reinforcing cord towards the body direction again along hoop near the rib bottom of pipe nipple end every one to two layer of cord, the length of the described reinforcing cord layer of multilayer is successively decreased from inside to outside successively, and described reinforcing cord layer is positioned at the junction point of described pipe nipple and described inner glue layer.
Cord in multilayer cord in the described cord reinforcing layer and the described reinforcing cord layer is to be made by any one material in nylon, polyester and the steel wire.
The winding angle of cord is more than or equal to the winding angle of cord in the cord reinforcing layer in the described reinforcing cord layer.
Advantage and the good effect that the utlity model has are: adopt the structure that cord reinforcing layer and steel wire reinforced layer are set between inner glue layer and body layer, improved the tensile strength of flexible pipe and born interior ability of pressing, improved the integrity of flexible pipe; Employing is provided with rib on pipe nipple, the pipe nipple winding steel wire that is mated is set between rib, and the structure that the pipe nipple winding steel wire links to each other with cord reinforcing layer has been strengthened the be connected effect of flange with body, improved tensile strength, reduced at pulled condition issuing the possibility that the portion of causing trouble leaks.Therefore, the utility model is cracky not, can increase the service life and can be under rugged environment reliably uses.
Description of drawings
Fig. 1 is a profile schematic representation of the present utility model;
Fig. 2 is a structural representation of the present utility model;
Fig. 3 is the A portion enlarged view of Fig. 2;
Fig. 4 is the B portion enlarged view of Fig. 2;
The schematic representation that Fig. 5 twines for cord.
Among the figure: 1, flange, 2, pipe nipple, 3, rib, 4, inner glue layer, 5, the reinforcing cord layer, 6, cord reinforcing layer, 7, the first winding steel wire circle, 8, rubber, 9, mesoglea, 10, outer cord floor, 11, body layer, 12, the second winding steel wire circle, 13, the pipe nipple winding steel wire, 14, floating layer, 15, skin.
Embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1～Fig. 5, a kind of floating type oil hose, pipe end parts and middle body by two ends are formed, the pipe end parts comprise flange 1 and pipe nipple 2, flange 1 is used for many oil hoses are connected to form transfer passage, pipe nipple 2 is used for flange 1 and body are connected and fixed, and pipe nipple 2 can one-body moldedly also can be processed respectively with flange 1 and be welded together, and the pipe end parts can also be born the load that transmits from cord reinforcing layer 6 simultaneously.
The innermost layer of body is an inner glue layer 4, and this layer is as the inner fluid leg, and its effect is to stop fluid (being crude oil) excessive, owing to directly contact with crude oil, therefore requires to have oil resistant, anti-aging and wear-resisting property preferably.What be adjacent in inner glue layer 4 outsides is cord reinforcing layer 6, and cord reinforcing layer 6 comprises the multilayer cord, and cord is by being that any one material by in nylon, polyester and the steel wire is made.The effect of cord is weight and the end load of bearing from self, improves flexible pipe tensile strength and bears interior pressure effect.The outside of cord reinforcing layer 6 is first steel wire reinforced layers, the first steel wire reinforced layer is formed by a plurality of rubber 8 that are provided with first steel traveler 7 of spacing and are filled between them that are wrapped in cord reinforcing layer 6 outsides, the effect of first steel traveler 7 is the integrities that improve flexible pipe, especially under flexible pipe tension and suction function, the physical dimension that keeps flexible pipe, wire material can be selected high strength carbon steel or other alloyed steel, and winding helical pitch and steel wire cross section diameter change according to the size of hose diameter, and what be adjacent in the outside of the first steel wire reinforced layer is mesoglea 9.
The outside of mesoglea 9 is provided with body layer 11.What the outside of body layer 11 was adjacent is floating layer 14, this layer makes flexible pipe have flotation property, the material of floating layer 14 can be selected the PE sheet strip material of closed pore microporous foam, this material have have do not absorb water, the crooked characteristic that does not rupture, certain elongation percentage is arranged, and proportion is between 0.1～0.108; Also can adopt the natural rubber sponge, the proportion of this material is approximately 0.15.What be adjacent in the outside of floating layer 14 is outer 15; this layer is in the outermost of whole oil hose; its effect is that the protection floating material is not damaged; because this layer directly contacts with external environment, therefore require the material of this layer to have features such as ageing-resistant, wear-resisting, anti-weather, anti-daylight, oil resistant and seawater corrosion resistance.
In order to improve the overall performance of oil hose, especially improve the resistance to compression and the tensility of flotation hose and can also further improve in addition the structure of oil hose.
The space appears at the in use the easiest junction point at end pipe nipple and inner glue layer of the oil hose of present use, produce the phenomenon in crack, at first can in cord reinforcing layer, twine the multilayer cord again by the junction point corresponding to pipe nipple and inner glue layer, form multilayer reinforcing cord layer, see also Fig. 3, the skin of the cord shown in Fig. 3 in cord reinforcing layer 6, especially twine multilayer nylon again near the position corresponding to the junction point of pipe nipple and inner glue layer, the reinforcing cord that polyester or steel wire are made, the mode of twining be in cord reinforcing layer 6 every one to two layer of cord reinforcing cord from the rib bottom of close pipe nipple end towards the flexible pipe directional ring to winding, form multilayer reinforcing cord layer 5, the length of multilayer reinforcing cord layer 5 is for successively decreasing successively from inside to outside, in the present embodiment, the reinforcing cord layer has three layers, their length is respectively 500mm from inside to outside, 400mm and 300mm, cord winding angle are slightly larger than the cord winding angle in the cord reinforcing layer.Winding angle also can be identical with the cord winding angle in the cord reinforcing layer.Other the reinforcing cord number of plies and canoe are applicable to the utility model too in addition.Can prolong the length of twining cord, the reinforcing cord layer is extended to outside the pipe nipple end.
Secondly can also outside the existing first steel wire reinforced layer, increase one deck second steel wire reinforced layer again, to improve anti-interior intensity of pressing.See also Fig. 4, the second steel wire reinforced layer a plurality ofly is provided with second steel traveler 12 of spacing and the rubber that is filled between them forms by what be wrapped in the first steel wire reinforced layer outside.The canoe of second steel wire can be to twine between the space of first winding steel wire, i.e. the first winding steel wire circle 7 and the second winding steel wire circle, 12 interlaced arrangement on the longitudinal section of oil hose.The diameter of second winding steel wire can be identical with the diameter of first winding steel wire or less than the diameter of outer winding steel wire, the scope of winding can only be the pipe nipple part or the whole oil hose of end.In the present embodiment, the second steel wire reinforced layer is with to be positioned at its inboard mesoglea 9 adjacent.
Once more, can also change the tension and the anti-interior performance of pressing of cord in the cord reinforcing layer in the utility model by the winding angle of adjusting cord.When being wrapped in outside pipe nipple and the inner glue layer with different angles, it has evident difference to the tension resistance to compression effect that flotation hose produces on the whole by the cord in the test discovery cord reinforcing layer.See also Fig. 5, Fig. 5 is the schematic representation that cord twines, and wherein demonstrates when twining cord, and the cord winding angle is cord and the angle of flexible pipe axis in same plane, and suitable cord winding angle is 35 °～70 °, preferred 45 °～60 °.
At last, set up outer cord floor 10 between the outside of mesoglea 9 and body layer 11, the cord material also can adopt multilayer nylon, polyester or steel wire, and the main effect of outer cord floor 10 is that sebific duct is not destroyed under the tension effect.In the present embodiment, outer cord floor 10 is adjacent with the second steel wire reinforced layer that is positioned at its inboard.
Following table is the performance parameter contrast of oil hose shown in Fig. 2 (the cord winding angle is 45 °) and flotation hose international standard.The performance parameter of above-mentioned oil hose is by shenyang rubber research institute and the corresponding international examination criteria Test Identification of CCS foundation.
More than to the detailed introduction of the structure of compounded rubber flotation hose provided by the utility model.Used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (10)
1. floating type oil hose, comprise body and pipe end parts, described pipe end parts comprise flange (1) and pipe nipple (2), it is characterized in that, the innermost layer of described body is inner glue layer (4), what be adjacent in the outside of described inner glue layer (4) is cord reinforcing layer (6), the first steel wire reinforced layer that the outside of described cord reinforcing layer (6) is adjacent, the described first steel wire reinforced layer is formed by a plurality of rubber (8) that are provided with first steel traveler (7) of spacing and are filled between them that are wrapped in described cord reinforcing layer (6) outside, and what be adjacent in the outside of the described first steel wire reinforced layer is mesoglea (9); Be provided with body layer (11) in the outside of described mesoglea (9), what be adjacent in the outside of described body layer (11) is floating layer (14), and what be adjacent in the outside of described floating layer (14) is outer (15); End at the close described pipe nipple of described cord reinforcing layer (6) is connected with pipe nipple winding steel wire (13), fixedly connected by described pipe nipple (2) between described flange (1) and the described body, described pipe nipple (2) is provided with the rib (3) that raises up, and described rib (3) is provided with at interval with described pipe nipple winding steel wire (13) and cooperatively interacts.
2. floating type oil hose according to claim 1, it is characterized in that, be provided with the second steel wire reinforced layer between described first steel wire reinforced layer and described body layer, the described second steel wire reinforced layer a plurality ofly is provided with second steel traveler (12) of spacing and the rubber that is filled between them forms by what be wrapped in the described first steel wire reinforced layer outside.
3. floating type oil hose according to claim 2 is characterized in that, the steel wire diameter of described second steel traveler (12) is less than or equal to the steel wire diameter of described first steel traveler (7).
4. floating type oil hose according to claim 2 is characterized in that, described second steel traveler (12) and described first steel traveler (7) interlaced arrangement.
5. floating type oil hose according to claim 1, it is characterized in that, be provided with outer cord floor (10) between described first steel wire reinforced layer and described body layer, described outer cord floor (10) is begun to form along the winding of body direction from described pipe nipple by cord.
6. floating type oil hose according to claim 1 is characterized in that, the cord winding angle in the described cord reinforcing layer (6) is 35 °～70 °.
7. floating type oil hose according to claim 6 is characterized in that, the cord winding angle in the described cord reinforcing layer (6) is 45 °～60 °.
8. floating type oil hose according to claim 1, it is characterized in that, described cord reinforcing layer comprises the multilayer cord in (6), and form multilayer reinforcing cord layer (5) from twining one section reinforcing cord towards the body direction again along hoop near the rib bottom of pipe nipple end every one to two layer of cord, the length of the described reinforcing cord layer of multilayer (5) is successively decreased from inside to outside successively, and described reinforcing cord layer is positioned at the junction point of described pipe nipple and described inner glue layer.
9. floating type oil hose according to claim 8 is characterized in that, the cord in multilayer cord in the described cord reinforcing layer (6) and the described reinforcing cord layer (5) is to be made by any one material in nylon, polyester and the steel wire.
10. floating type oil hose according to claim 8 is characterized in that, the winding angle of cord is more than or equal to the winding angle of cord in the cord reinforcing layer (6) in the described reinforcing cord layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200470333U CN201982820U (en) | 2011-02-24 | 2011-02-24 | Floating type oil hose |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200470333U CN201982820U (en) | 2011-02-24 | 2011-02-24 | Floating type oil hose |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201982820U true CN201982820U (en) | 2011-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200470333U Expired - Fee Related CN201982820U (en) | 2011-02-24 | 2011-02-24 | Floating type oil hose |
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| CN (1) | CN201982820U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072367A (en) * | 2011-02-24 | 2011-05-25 | 中国海洋石油总公司 | Floating oil hose |
-
2011
- 2011-02-24 CN CN2011200470333U patent/CN201982820U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102072367A (en) * | 2011-02-24 | 2011-05-25 | 中国海洋石油总公司 | Floating oil hose |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20130224 |