CN101418675A - Method and device for restraining vortex-induced vibration by underwater pipeline - Google Patents
Method and device for restraining vortex-induced vibration by underwater pipeline Download PDFInfo
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- CN101418675A CN101418675A CNA2008102257151A CN200810225715A CN101418675A CN 101418675 A CN101418675 A CN 101418675A CN A2008102257151 A CNA2008102257151 A CN A2008102257151A CN 200810225715 A CN200810225715 A CN 200810225715A CN 101418675 A CN101418675 A CN 101418675A
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Abstract
The invention relates to a restrain method and a device for underwater pipeline vortex induced vibration. The method is that three control rods are arranged at interval of 120 DEG around a main pipeline, the control rods are parallel with the main pipeline, ad the invention can adopt the mounted auxiliary pipelines near the main pipeline as the control rods. The device can adopt a sleeve ring composed of a main pipeline ring sleeve and three control rod ring sleeves arrange with an interval of 120 DEG, wherein the main pipeline ring sleeve is fixed on the main pipeline, and the three control rods are fixed in the three control rod ring sleeves. The invention can greatly overcome the problem that the single control rod is sensitive to the inflow direction, has stronger fatigue resistance, and is more reliable in actual conditions. The invention can directly adopt the existing auxiliary pipelines near the main pipeline as the control rods, fully uses the existing equipment, and greatly saves fund and energy consumption. The invention can be widely applied to deep sea environment with various frequently changed flow direction, thereby widening the application range of the invention in engineering.
Description
Technical field
The present invention relates to the inhibition method and the device of vortex-induced vibration by underwater pipeline in a kind of offshore oil process.
Background technology
Numerous slim cylindrical construction things is arranged in the DSPS, and as drilling well waterproof casing, production riser and suspended span transfer line etc., their total cost surpasses 50 percent of whole DSPS.When seawater is flowed through these pipelines with certain flow rate, can produce vortex shedding alternately near the boundary layer separation point of pipeline both sides, thereby form periodic panting action power at pipeline surface, and then pipeline is vibrated at horizontal direction and along the direction generation of current, such vibration is referred to as vortex-induced vibration usually.If the frequency of vortex shedding this moment is near the natural frequency of pipeline, the big amplitude vibration of near-resonance can take place in line construction.Vortex-induced vibration is the principal element that causes recurring structure unstabilitys such as off-shore pipeline and fatigue failure.In recent decades, the oil gas field stopping production that causes because of the off-shore pipeline system destruction, the incident of marine site pollution in wide area have reached hundreds of both at home and abroad, have not only brought enormous economic loss, and have destroyed the marine eco-environment.For reducing and preventing the destruction that vortex-induced vibration causes, increase the application life of off-shore pipeline, in operation, use vortex-induced vibration suppression device usually.
Existing vortex-induced vibration suppression device mainly can be divided into and initiatively suppressing and passive inhibition two classes.Than active inhibition method thereby external disturbance being introduced flow field inhibition vortex comes off, passive inhibition does not need external impetus energy and control in real time, it only needs by direct change line construction surface configuration or increases extra device with the change flow field, thus the formation and development of subduing vortex.Passive inhibition method is gone through the development of decades, the restraining device as control lever, ribbon, projection, demarcation strip, barber-pole stripes, axial lath, revolution guide vane and radome fairing or the like a variety of forms occurred.But these devices need to be made independent equipment, and cost is high, and these equipment are installed on the underwater line also is a great engineering, therefore in the complex working condition that recovers the oil in the deep-sea its limitation are arranged respectively.
Summary of the invention
At the problems referred to above, the purpose of this invention is to provide a kind of design, make simply, the inhibition method and the device of the vortex-induced vibration by underwater pipeline that can suppress the vortex-induced vibration that difference comes the flow field of flow path direction to produce are installed fast.
For achieving the above object, the utility model is taked following technical scheme:
A kind of inhibition method of vortex-induced vibration by underwater pipeline, it is circumferentially by 120 ° of intervals three control levers to be set around Trunk Line, described control lever is parallel with described Trunk Line.
Described control lever adopts near the mounted attached pipeline of Trunk Line.
Described attached pipeline is more than one in choke flow line, kill line and the supercharging pipeline.
A kind of restraining device of realizing the vortex-induced vibration by underwater pipeline of said method, it is characterized in that: it comprises a Trunk Line, circumferential interval at described Trunk Line is provided with three control levers for 120 °, and the ring set secured in parallel that described three control levers pass through to be provided with at interval is on described Trunk Line.
Described ring set comprises one in two and be bolted to connection Trunk Line ring set on described Trunk Line, described Trunk Line ring set circumferentially by support bar at interval 120 ° three control lever ring sets are set.
Between described control lever and the described control lever ring set, be provided with the sealing and fixing material.
Between described Trunk Line and the described Trunk Line ring set, be provided with the sealing and fixing material.
Described control lever is near the mounted attached pipeline Trunk Line.
Described attached pipeline is more than one in choke flow line, kill line and the supercharging pipeline.
The utility model is owing to take above technical scheme, it has the following advantages: 1, the inventive method is owing to use three control lever circumference in equal parts to arrange, therefore can guarantee the angle between flow path direction and the control lever can be above 60 °, make that there is one to two control lever in total energy in the boundary layer separation point upstream and downstream flow field, overcome the problem of single control rod to a great extent, made and come flow path direction can both suppress the vortex-induced vibration of Trunk Line effectively for difference to incoming flow orientation-sensitive generation negative interaction.2, the inventive method can make full use of near the attached pipelines of having installed the Trunk Line such as throttling, kill-job and supercharging, and it as the control lever on the diverse location, has been made full use of existing equipment, has greatly saved fund and energy consumption.3, apparatus of the present invention only need to install at a certain distance a pair of collar on Trunk Line, and three attachment tube line parallels ground is fixed on around the Trunk Line, therefore make simple install easy; Particularly, therefore use more reliable in actual condition as control lever because these attached pipelines self all have stronger anti-fatigue performance.The present invention can adapt to the abyssal environment that the flow direction frequently changes, and has therefore increased its scope of application on engineering.
Description of drawings
Fig. 1 is apparatus of the present invention perspective view
Fig. 2 is the schematic top plan view of apparatus of the present invention
Fig. 3 is a collar perspective view in apparatus of the present invention
The specific embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
The restraining device of vortex-induced vibration is single control rod to be set the vortex-induced vibration that the Trunk Line that is in the flow field produces is suppressed on Trunk Line in the prior art.Control lever is a kind of diameter mini diameter tube littler than Trunk Line.By existing achievement in research as can be known,, just can change flow field structure, play the effect that suppresses vortex-induced vibration by the parallel position that places it near Trunk Line if come flow path direction certain.The diameter of control lever is within the specific limits the time, and its rejection mainly is subjected to spacing between Trunk Line and the control lever and the influence of incoming flow angle β, and wherein incoming flow angle β is a principal element.Incoming flow angle β is on the cross section, comes flow path direction and the control lever angle to Trunk Line line center of circle direction.The rejection of control lever may sharply reduce on the different position of incoming flow angle β, even can increase fluid force on the Trunk Line, this explanation control lever is very responsive to coming flow path direction, only the specific vortex-induced vibration that comes to produce on the flow path direction is had good inhibitory effect.
As shown in Figure 1 and Figure 2, the present invention suppresses in existing single control rod further to propose to adopt at Trunk Line 1 vortex-induced vibration inhibiting method of three control levers 2 on the basis of thought.The present invention arranges three control levers 2 at circumferential five equilibrium 120 ° of angle α in interval of Trunk Line 1, and therefore from the cross section, the angle β that comes flow path direction and control lever 2 of current can be above 60 °.This makes total energy in the boundary layer separation point upstream and downstream flow field have the comprehensive function of 2, three control levers 2 of one to two control lever, makes whole system all vortex-induced vibration be had good rejection in coming in a big way on the flow path direction.The control lever 2 of upstream can change the incident flow field in addition, the diffusion boundary layer defiber, and the control lever 2 in downstream can change tail flow field, and the diffusion concentrated vorticity plays the interaction that layer is entrainmented in prevention.Being provided with coming flow path direction to have stronger compliance like this, thus can overcome the problem of 2 pairs of incoming flow orientation-sensitives of single control rod to a great extent.
Device of the present invention is to fix a collar 3 in Trunk Line 1 upper edge pipe range direction every a segment distance, fixes three control levers 2 on the collar 3.Trunk Line 1 is the pipeline facilities such as drilling well waterproof casing, production riser and suspended span woven hose in the DSPS, and the collar 3 closely is fixed on the Trunk Line 1, can not rotate and move (structure of back will guarantee this point).Control lever 2 can directly use the attached pipelines of having installed such as throttling, kill-job and supercharging near Trunk Line 1, and need not to be provided with especially new control lever 2.Attached pipeline has stronger fatigue resistance, and its diameter is usually less than 0.2 times of Trunk Line 1 diameter.
As shown in Figure 3, the collar 3 of the present invention comprises that being divided into two parts is 120 ° of angles by 31,32, three of bolted Trunk Line ring sets and is connected support bar 33 around the ring set 3 and three control lever ring sets 34 that are connected on the support bar 33.Two parts Trunk Line ring set 31,32 usefulness screws 35 are fastenedly connected on Trunk Line 1, three control levers 2 are passed three control lever ring sets 34 respectively, perhaps three control lever ring sets 34 also are arranged to openable structure respectively, with the convenient attached pipeline that connects as control lever.In order to be connected firmly, each ring set can be inserted the high strength expanding material with the pipeline in the cover.
The foregoing description and accompanying drawing are only enumerated for explanation the present invention, the improvement of carrying out on the technical solution of the present invention basis and be equal to replacement and all should do not get rid of outside protection scope of the present invention.
Claims (10)
1, a kind of inhibition method of vortex-induced vibration by underwater pipeline, it is circumferentially by 120 ° of intervals three control levers to be set around Trunk Line, described control lever is parallel with described Trunk Line.
2, the inhibition method of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 1 is characterized in that: described control lever adopts near the mounted attached pipeline of Trunk Line.
3, the inhibition method of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 2 is characterized in that: described attached pipeline is more than one in choke flow line, kill line and the supercharging pipeline.
4, a kind of restraining device of realizing as the vortex-induced vibration by underwater pipeline of method as described in the claim 1～3, it is characterized in that: it comprises a Trunk Line, circumferential interval at described Trunk Line is provided with three control levers for 120 °, and the ring set secured in parallel that described three control levers pass through to be provided with at interval is on described Trunk Line.
5, the restraining device of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 4, it is characterized in that: described ring set comprises one in two and be bolted to connection Trunk Line ring set on described Trunk Line, described Trunk Line ring set circumferentially by support bar at interval 120 ° three control lever ring sets are set.
6, the restraining device of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 5 is characterized in that: between described control lever and the described control lever ring set, be provided with the sealing and fixing material.
7, the restraining device of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 5 is characterized in that: between described Trunk Line and the described Trunk Line ring set, be provided with the sealing and fixing material.
8, the restraining device of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 6 is characterized in that: between described Trunk Line and the described Trunk Line ring set, be provided with the sealing and fixing material.
9, as the restraining device of claim 4 or 5 or 6 or 7 or 8 described a kind of vortex-induced vibration by underwater pipeline, it is characterized in that: described control lever is near the mounted attached pipeline Trunk Line.
10, the restraining device of a kind of vortex-induced vibration by underwater pipeline as claimed in claim 9 is characterized in that: described attached pipeline is more than one in choke flow line, kill line and the supercharging pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102257151A CN101418675B (en) | 2008-11-07 | 2008-11-07 | Method and device for restraining vortex-induced vibration by underwater pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102257151A CN101418675B (en) | 2008-11-07 | 2008-11-07 | Method and device for restraining vortex-induced vibration by underwater pipeline |
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| CN101418675A true CN101418675A (en) | 2009-04-29 |
| CN101418675B CN101418675B (en) | 2011-12-07 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102134972A (en) * | 2010-12-31 | 2011-07-27 | 上海交通大学 | Device for inhibiting vortex-induced vibration of underwater standpipe of fish-tail imitating cowling |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
| CN101672125B (en) * | 2009-09-17 | 2013-01-02 | 中国电力科学研究院 | Device for inhibiting power transmission line steel tube pole tower vortex-induced wind vibration and method thereof |
| CN102943634A (en) * | 2012-11-16 | 2013-02-27 | 西南石油大学 | Free-rotation impeller device for inhibiting eddy induced vibration of marine riser |
| CN103437717A (en) * | 2013-09-16 | 2013-12-11 | 西南石油大学 | Rotatable pentagonal impeller type vortex-induced vibration inhibiting device and method |
| CN104179183A (en) * | 2014-08-29 | 2014-12-03 | 浙江海洋学院 | Recyclable protecting device for inhibiting vortex-induced vibration of deepwater steel pipe pile |
| CN104265193A (en) * | 2014-08-13 | 2015-01-07 | 顾继俊 | Device and method for restraining vortex-induced vibration of cylindrical structural object |
| CN105806577A (en) * | 2016-04-28 | 2016-07-27 | 天津大学 | Dip angle incoming flow marine riser vortex-induced vibration suppression device in control rod mode |
| CN105890857A (en) * | 2016-04-28 | 2016-08-24 | 天津大学 | Marine riser vortex-induced vibration control lever restraint system |
| CN106223867A (en) * | 2016-09-23 | 2016-12-14 | 西南石油大学 | A kind of riser systems structural parameters that regulate avoid the device and method of Vortex-excited vibration |
| CN107131359A (en) * | 2017-06-07 | 2017-09-05 | 重庆聚融建设（集团）股份有限公司 | Pipe safety is pressed from both sides |
| CN111306148A (en) * | 2020-03-09 | 2020-06-19 | 中国海洋石油集团有限公司 | Marine riser vortex-induced vibration suppression device |
| CN117267465A (en) * | 2023-09-15 | 2023-12-22 | 青岛海大海洋工程技术开发有限公司 | Submarine pipeline system with diversion protection structure and installation method |
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2008
- 2008-11-07 CN CN2008102257151A patent/CN101418675B/en active Active
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101672125B (en) * | 2009-09-17 | 2013-01-02 | 中国电力科学研究院 | Device for inhibiting power transmission line steel tube pole tower vortex-induced wind vibration and method thereof |
| CN102134972A (en) * | 2010-12-31 | 2011-07-27 | 上海交通大学 | Device for inhibiting vortex-induced vibration of underwater standpipe of fish-tail imitating cowling |
| CN102134972B (en) * | 2010-12-31 | 2013-01-09 | 上海交通大学 | Device for inhibiting vortex-induced vibration of underwater standpipe of fish-tail imitating cowling |
| CN102147321A (en) * | 2011-01-12 | 2011-08-10 | 中国海洋石油总公司 | Uniform flow vortex-induced vibration simulation tester for seabed pipeline |
| CN102943634A (en) * | 2012-11-16 | 2013-02-27 | 西南石油大学 | Free-rotation impeller device for inhibiting eddy induced vibration of marine riser |
| CN103437717A (en) * | 2013-09-16 | 2013-12-11 | 西南石油大学 | Rotatable pentagonal impeller type vortex-induced vibration inhibiting device and method |
| CN104265193A (en) * | 2014-08-13 | 2015-01-07 | 顾继俊 | Device and method for restraining vortex-induced vibration of cylindrical structural object |
| CN104179183A (en) * | 2014-08-29 | 2014-12-03 | 浙江海洋学院 | Recyclable protecting device for inhibiting vortex-induced vibration of deepwater steel pipe pile |
| CN105806577A (en) * | 2016-04-28 | 2016-07-27 | 天津大学 | Dip angle incoming flow marine riser vortex-induced vibration suppression device in control rod mode |
| CN105890857A (en) * | 2016-04-28 | 2016-08-24 | 天津大学 | Marine riser vortex-induced vibration control lever restraint system |
| CN106223867A (en) * | 2016-09-23 | 2016-12-14 | 西南石油大学 | A kind of riser systems structural parameters that regulate avoid the device and method of Vortex-excited vibration |
| CN106223867B (en) * | 2016-09-23 | 2018-05-22 | 西南石油大学 | A kind of device and method for adjusting riser systems structural parameters and avoiding Vortex-excited vibration |
| CN107131359A (en) * | 2017-06-07 | 2017-09-05 | 重庆聚融建设（集团）股份有限公司 | Pipe safety is pressed from both sides |
| CN111306148A (en) * | 2020-03-09 | 2020-06-19 | 中国海洋石油集团有限公司 | Marine riser vortex-induced vibration suppression device |
| CN117267465A (en) * | 2023-09-15 | 2023-12-22 | 青岛海大海洋工程技术开发有限公司 | Submarine pipeline system with diversion protection structure and installation method |
| CN117267465B (en) * | 2023-09-15 | 2024-04-05 | 青岛海大海洋工程技术开发有限公司 | Submarine pipeline system with diversion protection structure and installation method |
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| CN101418675B (en) | 2011-12-07 |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee after: China National Offshore Oil Corporation Patentee after: CNOOC Research Institute Patentee after: Dalian University of Technology Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Patentee before: China National Offshore Oil Corporation Patentee before: CNOOC Research Center Patentee before: Dalian University of Technology |
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Address after: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee after: CNOOC research institute limited liability company Patentee after: China Offshore Oil Group Co., Ltd. Co-patentee after: Dalian University of Technology Address before: 100010 Beijing, Chaoyangmen, North Street, No. 25, No. Co-patentee before: CNOOC Research Institute Patentee before: China National Offshore Oil Corporation Co-patentee before: Dalian University of Technology |
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Effective date of registration: 20210805 Address after: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee after: CHINA NATIONAL OFFSHORE OIL Corp. Patentee after: CNOOC RESEARCH INSTITUTE Co.,Ltd. Address before: 100010 No. 25 North Main Street, Dongcheng District, Beijing, Chaoyangmen Patentee before: CHINA NATIONAL OFFSHORE OIL Corp. Patentee before: CNOOC RESEARCH INSTITUTE Co.,Ltd. Patentee before: DALIAN University OF TECHNOLOGY |
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