CN102352947A - Method for suppressing vortex-induced vibration of marine oil pipeline - Google Patents
Method for suppressing vortex-induced vibration of marine oil pipeline Download PDFInfo
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- CN102352947A CN102352947A CN2011102671026A CN201110267102A CN102352947A CN 102352947 A CN102352947 A CN 102352947A CN 2011102671026 A CN2011102671026 A CN 2011102671026A CN 201110267102 A CN201110267102 A CN 201110267102A CN 102352947 A CN102352947 A CN 102352947A
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Abstract
The invention belongs to the technical field of pavement of marine oil pipeline facilities, and relates to a method for suppressing vortex-induced vibration of a marine oil pipeline. In the method, multiple pairs of semicircular shells which are of the same size and are provided with spiral grooves on the outer surfaces are made according to the outer diameter and the wall thickness of the marine oil pipeline; outwardly extending eye plates are arranged; after a pair of shells is connected into an annular post, the spiral grooves on the shells are matched with each other to form the same spiral structure for constituting a sleeve; and sleeves are arranged in the radial direction of the marine oil pipeline at a certain interval according to the method. Due to the adoption of the method, the vortex-induced vibration of the marine oil pipeline is controlled effectively, and unity of economic efficiency and safety is realized.
Description
Technical field
The invention belongs to Yu Haiyang oil transport pipeline facility laying technology field, be specifically related to a kind of method that can suppress ocean oil transport pipeline vortex-induced vibration.
Background technique
At sea in the process of deployment, the pipeline between pipe laying barge and the seabed exists one section quite long suspended span to ocean oil transport pipeline (standpipe and submarine pipeline etc.) usually.In addition, even be layed in the pipeline on the sea bed, under the acting in conjunction of factors such as ocean current, morning and evening tides, make exposed tube on ocean bottom soil, form unsettled section.Under the long term of environmental load; Unsettled section vortex-induced vibration takes place and fatigue failure easily; Cause facility to destroy even serious consequence such as stopping production, bring enormous economic loss, suppress vortex-induced vibration the Yu Haiyang Oil Transportation Pipeline Engineering is had great importance to the exploitation of offshore oil and rock gas.
In decades, people have proposed the active and the braking measure of Passive Control type of a variety of forms, and have delivered the document of a large amount of relevant experiments and numerical value research.Broken dynamic control device has obtained extensive use in ocean engineering circle, comprising: protrusion of surface type (screw thread, lines, fin etc.), wrap type (perforation, silk screen, controlling rod and axially lath etc.) and near wakes stabilizer (ribbon, cowling, demarcation strip, guide vane, the end arrange and slit etc.).Thereby their basic principle all is through reducing flow separation, reducing surperficial pressure difference inhibition vortex-induced vibration.Yet most braking measures simple in structure have the one-way characteristic, baroque omni-directional braking measure better performances, but manufacture and design with installation cost higherly, and and tend to cause the increase of being responsible for drag force, also there are problems such as dynamic instability.Therefore, the more cost-effective and better braking measure of performance need be carried out developing more creative research for development.
Summary of the invention
The objective of the invention is to overcome the deficiency on the prior art; A kind of method that can effectively suppress ocean oil transport pipeline vortex-induced vibration is provided, takes proper construction technology, reduce cost; Effectively the vortex-induced vibration of control ocean oil transport pipeline is realized the unification of Economy and Security.
For this reason, the present invention adopts following technological scheme: a kind of method that suppresses ocean oil transport pipeline vortex-induced vibration comprises the following steps:
(1) according to the size of ocean oil transport pipeline external diameter and wall thickness; Make many to the semi-round ring shape housing measure-alike, that outer surface is provided with helical groove; Overhanging eye plate all is set; Pair of shells is after connecting into a circular cylinder; Helical groove on the housing coincide each other and forms same helix structure, constitutes a sleeve;
(2) oil transport pipeline is directly upwards whenever installed a sleeve at a distance from a segment distance according to following method in the ocean: a housing is close on the pipe surface; According to the identical mode consistent in eye plate position it is docked with another housing, pass eye plate through bolt then two housings are fixed on the pipeline with the sense of rotation of helical groove.
As preferred implementation, two housings of sleeve are processed with molded mode by elastomer or light alloy material.The number of helical groove is 3, and depth of groove is 0.15 times a sleeve outer diameter, and pitch is 15-18 sleeve outer diameter doubly, and the groove sectional shape can be rectangular, triangle, semicircle or trapezoidal.
The invention provides a kind of method that suppresses ocean oil transport pipeline vortex-induced vibration; Have the following advantages for existing technology: (1) the present invention is provided with helical groove; Can apply certain disturbance and change reynolds' number to incoming flow; Make flowing state get into turbulence state in advance, reach the effect that suppresses vortex-induced vibration.(2) housing of sleeve can be produced in batches through mould, has simplified manufacturing process, has reduced manufacture cost.(3) fluted body of the present invention is compared with traditional projection type device, and light weight and materials are few, reach economically viable effect.(4) mounting process is simple, can install through production line, increases work efficiency, and reduces construction cost.
Description of drawings
Fig. 1 is the front view that assembles certain section ocean oil transport pipeline of the sleeve that has helical groove;
Fig. 2 is the A-A sectional drawing of Fig. 1 middle sleeve.
Label declaration among the figure:
1 sleeve; 2 upper shells; 3 lower shell bodys; 4 eye plates; 5 bolts: 6 ocean oil transport pipelines; 7 helical grooves
Embodiment
The present invention suppresses ocean oil transport pipeline vortex-induced vibration through the method for mounting strap helical groove sleeve at a certain distance on the oil transport pipeline of ocean.Key step is following:
(1) according to protect the external diameter and the wall thickness dimension of ocean oil transport pipeline, make the measure-alike semi-round ring shape housing of two lobes, can produce in batches through mould.
(2) the first lobe housing is close to a side of pipe surface,, another lobe housing is docked with manned housing through the sense of rotation of eye plate position and helical groove.
(3) two lobe housings are fixed through 6 bolts.Bolt passes eye plate two lobe housings is connected, and constitutes to be fixed on the sleeve on the pipeline external surface.
Below in conjunction with accompanying drawing, specific embodiments of the invention is further described.
Assemble the front view of certain section ocean oil transport pipeline of the sleeve that has helical groove, as shown in the figure.Ocean oil transport pipeline eddy suppressor involved in the present invention, promptly sleeve 1, is to be connected through bolt 5 by two lobe semi-round ring shape housings (upper shell 2 and lower shell body 3) closely to be fixed on ocean oil transport pipeline 6 surfaces.Shell dimension is identical up and down, adopts the production line precasting process, and material can be selected elastomer or light alloy for use.
Two lobe housings all are provided with overhanging eye plate 4, and bolt 5 passes eye plate 4 and connects upper shell 2 and lower shell body 3, constitutes sleeve 1; Surface of shell has helical groove 7, plays the upset incoming flow, suppresses the effect of pipeline 6 vortex-induced vibrations.As preferred implementation, the number of helical groove is 3 on the sleeve, and depth of groove is 0.15 times a sleeve outer diameter, and pitch is 15-18 sleeve outer diameter doubly, and the groove sectional shape can be rectangular, triangle, semicircle or trapezoidal.
Detailed process in that this eddy suppressor is installed on the ocean oil transport pipeline 6 is: earlier upper shell 2 is close on pipeline 6 surfaces; Dock with lower shell body 3 through the position of eye plate 4 and the sense of rotation of helical groove; Passing eye plate 4 through six bolts 5 then is fixed on sleeve 1 on the pipeline 6, as shown in Figure 1.
Fig. 2 is the A-A sectional drawing of Fig. 1 middle sleeve 1, and it has shown the side structure Connecting format of sleeve, and the circumferential arrangement of groove and sectional shape.
Claims (3)
1. a method that suppresses ocean oil transport pipeline vortex-induced vibration comprises the following steps:
(1) according to the size of ocean oil transport pipeline external diameter and wall thickness; Make many to the semi-round ring shape housing measure-alike, that outer surface is provided with helical groove; Overhanging eye plate all is set; Pair of shells is after connecting into a circular cylinder; The helical groove of housing coincide each other and forms same helix structure, constitutes a sleeve.
(2) on the ocean oil transport pipeline is axial, whenever according to following method a sleeve is installed: a housing is close on the pipe surface at a distance from a segment distance; According to the identical mode consistent in eye plate position it is docked with another housing, pass eye plate through bolt then two housings are fixed on the pipeline with the sense of rotation of helical groove.
2. a kind of method that suppresses ocean oil transport pipeline vortex-induced vibration according to claim 1 is characterized in that, two housings of sleeve are processed with molded mode by elastomer or light alloy material.
3. a kind of method that suppresses ocean oil transport pipeline vortex-induced vibration according to claim 1 and 2; It is characterized in that; The number of helical groove is 3; Depth of groove is 0.15 times a sleeve outer diameter; Pitch is 15-18 sleeve outer diameter doubly, and the groove sectional shape can be rectangular, triangle, semicircle or trapezoidal etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102671026A CN102352947A (en) | 2011-09-09 | 2011-09-09 | Method for suppressing vortex-induced vibration of marine oil pipeline |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102671026A CN102352947A (en) | 2011-09-09 | 2011-09-09 | Method for suppressing vortex-induced vibration of marine oil pipeline |
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| CN102352947A true CN102352947A (en) | 2012-02-15 |
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| CN2011102671026A Pending CN102352947A (en) | 2011-09-09 | 2011-09-09 | Method for suppressing vortex-induced vibration of marine oil pipeline |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720891A (en) * | 2012-06-28 | 2012-10-10 | 天津大学 | Submarine pipeline buckle arrestor with spiral eye plates and fixation method for submarine pipeline buckle arrestor |
| CN102979490A (en) * | 2012-11-27 | 2013-03-20 | 西南石油大学 | Bubble-column vortex-induced vibration suppression device of stand pipe under marine environment |
| CN103321593A (en) * | 2013-06-25 | 2013-09-25 | 西南石油大学 | Device and method for actively eliminating vortex-induced vibration of stand pipe |
| CN103485732A (en) * | 2013-10-15 | 2014-01-01 | 西南石油大学 | Device and method for inhibiting vortex-induced vibration of spiral strake with rotating blade |
| CN104412020A (en) * | 2012-06-29 | 2015-03-11 | 挪威国家石油公司 | Flexible pipe carcass for controlling flow induced vibration in a riser |
| CN104675805A (en) * | 2013-11-26 | 2015-06-03 | Valeo离合器公司 | Device for damping vibrations in a hydraulic force-transmission circuit, in particular for clutch hydraulic control system |
| CN104990680A (en) * | 2015-07-09 | 2015-10-21 | 天津大学 | Pipeline model of experiment for suppressing vortex-induced vibration of marine riser and manufacturing method thereof |
| WO2019242195A1 (en) * | 2018-06-21 | 2019-12-26 | 北京金风科创风电设备有限公司 | Retaining structure having frequency mixing absorber at outer surface thereof |
| CN111433429A (en) * | 2017-10-20 | 2020-07-17 | 巴尔莫勒尔卡姆丹克有限公司 | Cylindrical element formed to reduce Vortex Induced Vibration (VIV) and/or drag |
| CN112013196A (en) * | 2020-08-24 | 2020-12-01 | 上海核工程研究设计院有限公司 | Device for reducing piping vibration caused by vortex shedding |
| CN113374972A (en) * | 2021-07-16 | 2021-09-10 | 蒋洪美 | Intelligent self-adaptive waterproof hammer device for water supply and distribution pipe network |
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| CN101696751A (en) * | 2009-11-13 | 2010-04-21 | 天津大学 | Method for preventing buckle propagation and inhibiting vortex-induced vibration of benthal pipeline |
| CN101968139A (en) * | 2009-11-13 | 2011-02-09 | 天津大学 | Submarine pipeline buckle arrestor with spiral side plates and fixing method thereof |
| CN102121356A (en) * | 2011-01-12 | 2011-07-13 | 中国海洋石油总公司 | Helical strake vortex induced vibration inhibiting device |
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2011
- 2011-09-09 CN CN2011102671026A patent/CN102352947A/en active Pending
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| WO2002095278A1 (en) * | 2001-05-18 | 2002-11-28 | Crp Group Limited | Protection of underwater elongate members |
| CN101696751A (en) * | 2009-11-13 | 2010-04-21 | 天津大学 | Method for preventing buckle propagation and inhibiting vortex-induced vibration of benthal pipeline |
| CN101968139A (en) * | 2009-11-13 | 2011-02-09 | 天津大学 | Submarine pipeline buckle arrestor with spiral side plates and fixing method thereof |
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Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720891B (en) * | 2012-06-28 | 2014-07-02 | 天津大学 | Submarine pipeline buckle arrestor with spiral eye plates and fixation method for submarine pipeline buckle arrestor |
| CN102720891A (en) * | 2012-06-28 | 2012-10-10 | 天津大学 | Submarine pipeline buckle arrestor with spiral eye plates and fixation method for submarine pipeline buckle arrestor |
| CN104412020A (en) * | 2012-06-29 | 2015-03-11 | 挪威国家石油公司 | Flexible pipe carcass for controlling flow induced vibration in a riser |
| US10203052B2 (en) | 2012-06-29 | 2019-02-12 | Statoil Petroleum As | Flexible pipe carcass for controlling flow induced vibration in a riser |
| CN104412020B (en) * | 2012-06-29 | 2016-11-23 | 挪威国家石油公司 | For controlling the flexible duct skeleton of the Flow vibration in standpipe |
| CN102979490A (en) * | 2012-11-27 | 2013-03-20 | 西南石油大学 | Bubble-column vortex-induced vibration suppression device of stand pipe under marine environment |
| CN103321593B (en) * | 2013-06-25 | 2015-02-04 | 西南石油大学 | Device and method for actively eliminating vortex-induced vibration of stand pipe |
| CN103321593A (en) * | 2013-06-25 | 2013-09-25 | 西南石油大学 | Device and method for actively eliminating vortex-induced vibration of stand pipe |
| CN103485732B (en) * | 2013-10-15 | 2016-04-06 | 西南石油大学 | A kind of helical strake vortex induced vibration inhibiting device with rotating vane and method |
| CN103485732A (en) * | 2013-10-15 | 2014-01-01 | 西南石油大学 | Device and method for inhibiting vortex-induced vibration of spiral strake with rotating blade |
| CN104675805B (en) * | 2013-11-26 | 2018-02-23 | Valeo离合器公司 | Slow down the damping device of hydraulic pressure vibrations and have the hydraulic circuit of this damping device |
| CN104675805A (en) * | 2013-11-26 | 2015-06-03 | Valeo离合器公司 | Device for damping vibrations in a hydraulic force-transmission circuit, in particular for clutch hydraulic control system |
| CN104990680A (en) * | 2015-07-09 | 2015-10-21 | 天津大学 | Pipeline model of experiment for suppressing vortex-induced vibration of marine riser and manufacturing method thereof |
| CN111433429B (en) * | 2017-10-20 | 2022-06-14 | 巴尔莫勒尔卡姆丹克有限公司 | Cylindrical element formed to reduce Vortex Induced Vibration (VIV) and/or drag |
| CN111433429A (en) * | 2017-10-20 | 2020-07-17 | 巴尔莫勒尔卡姆丹克有限公司 | Cylindrical element formed to reduce Vortex Induced Vibration (VIV) and/or drag |
| WO2019242195A1 (en) * | 2018-06-21 | 2019-12-26 | 北京金风科创风电设备有限公司 | Retaining structure having frequency mixing absorber at outer surface thereof |
| US11415108B2 (en) | 2018-06-21 | 2022-08-16 | Beiijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Enclosure with frequency mixing and absorbing device on outer surface |
| CN112013196A (en) * | 2020-08-24 | 2020-12-01 | 上海核工程研究设计院有限公司 | Device for reducing piping vibration caused by vortex shedding |
| CN113374972A (en) * | 2021-07-16 | 2021-09-10 | 蒋洪美 | Intelligent self-adaptive waterproof hammer device for water supply and distribution pipe network |
| CN113374972B (en) * | 2021-07-16 | 2024-04-19 | 中山公用水务投资有限公司 | Intelligent self-adaptive waterproof hammer device for water distribution pipe network |
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Application publication date: 20120215 |