CN106089108B - A kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer - Google Patents
A kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer Download PDFInfo
- Publication number
- CN106089108B CN106089108B CN201610497136.7A CN201610497136A CN106089108B CN 106089108 B CN106089108 B CN 106089108B CN 201610497136 A CN201610497136 A CN 201610497136A CN 106089108 B CN106089108 B CN 106089108B
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- Prior art keywords
- fixed
- vortex
- fixed disc
- attachment tube
- wall
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/01—Risers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
- F15D1/00—Influencing flow of fluids
- F15D1/002—Influencing flow of fluids by influencing the boundary layer
- F15D1/0025—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply
- F15D1/0055—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising apertures in the surface, through which fluid is withdrawn from or injected into the flow
Abstract
The present invention relates to a kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer, device is made up of fixed disc, rolling bearing, drainage oral siphon, perforate attachment tube.Fixed disc is set in marine riser outer wall, and six roots of sensation perforate attachment tube is provided between upper and lower two fixed discs, and the presence of perforate attachment tube passively controls the formation that marine riser wall streams vortex.Drainage oral siphon is installed on lower fixed disc bottom, can introduce seawater to perforate attachment tube according to current direction automatic adjusument, and spray from the apopore of perforate attachment tube.Apopore face marine riser wall, the seawater of ejection produce direct impact failure around laminar boundary layer to marine riser surface, further suppress the formation of vortex and come off, so as to realize the suppression of vortex-induced vibration.
Description
Technical field
The invention belongs to marine riser facility to lay field, and in particular to a kind of drainage injection is destroyed around the whirlpool of laminar boundary layer
Induced vibration suppression device and method.
Technical background
With Marine oil and gas resource exploitation dynamics increasing and drive on to deep water the quickenings of paces boldly, marine riser draw ratio by
Cumulative big, the marine environment residing for it is also more severe.When ocean current, wave flow through marine riser with certain speed, meeting exists
Marine riser afterbody produces the vortex periodically alternately to come off, and coming off for vortex changes the distribution of marine riser wall stress, and
Make it that periodically change, so as to trigger marine riser to vibrate, i.e. vortex-induced vibration be presented.Under lasting vortex-induced vibration effect,
Fatigue damage and structural instability can occur for marine riser, and serious hidden danger is all brought to safety work and marine environment.Therefore,
The suppression research for carrying out vortex-induced vibration has particularly important practical meaning in engineering.
In past over half a century, domestic and foreign scholars have been achieved for many stages to the study mechanism of vortex-induced vibration
Property achievement, some scholars for Practical Project problem it is also proposed it is a variety of suppression vortex-induced vibrations measures, these methods mainly from
Flow field control and tube performance, which change, starts with, and flow field control is divided into two kinds of active control type and passive control type, active control again
Type restraining device refers to utilize Sensor monitoring afterbody information of flow, dynamic instruction is sent after judging according to information, is introduced corresponding
The external energy of size is into flow field, so as to effectively control Vortex Shedding.Passive control then directly change body structure surface shape or
Additional extra means stream section to change, and so as to change flow field, destroy the formation of vortex.Tube performance changes and mainly passes through tune
The kinetic parameter of homogeneous tube road self structure, such as quality, damping, rigidity, so as to weaken the oscillation intensity of pipeline, reduce it and shake
Dynamic amplitude.Can organic synthesis this several means, the vortex-induced vibration for more effectively suppressing deep water marine riser is current deep water
Oil and gas development urgent problem to be solved.
The content of the invention
The problem of for proposed in background technology, the present invention is intended to provide a kind of multi-functional, simple in construction, inexpensive
Drainage injection destroys the vortex-induced vibration suppression device and method around laminar boundary layer.
Technical scheme is used by the present invention solves above-mentioned technical problem：
A kind of vortex-induced vibration suppression device for draining injection destruction around laminar boundary layer is by fixed disc, rolling bearing, drainage
Oral siphon, perforate attachment tube composition.Fixed disc is assembled by two symmetrical semi-circular shape component docking, and fixed disc has
Two, marine riser outer wall is highly set in by the one perforate attachment tube in interval, is bolted.Fixed disc edge week
Convergence holes, and the axle of the axis of fixed convergence hole and fixed disc are fixed to six circles through fixed disc are uniformly offered
Line is parallel.Fixed convergence hole one end aperture is big, and other end aperture is small, and fixed linking macropore forms platform with fixing to be connected between aperture
Terrace, fixed linking macropore are equipped with box thread with the fixed aperture inwall middle part that is connected.The fixed linking of top fixed disc is big
Hole is opening up, and the fixed linking macropore of bottom fixed disc is opening down, and the fixation convergence hole center of circle of upper and lower fixed disc
Coaxially.
Rolling bearing sets the inside and outside coil structures of ball for centre, and box thread is provided with the middle part of rolling bearing inner ring inwall, rolls
Male thread is provided with the middle part of bearing outer ring outer wall.Each fixed linking macropore disposes a rolling bearing, and housing washer
The male thread of outer wall engages with the box thread of fixed linking macropore inwall, housing washer is fixed on fixed linking macropore
In, and rolling bearing inner ring can rotate relative to housing washer.
Drainage oral siphon is integrally in T shape, and one end of its T-shaped horizontal direction is provided with the blind logical plate of circular conical surface, and the other end is set
There are horn mouth, and loudspeaker outward opening；The end outer wall of the drainage T-shaped vertical direction of oral siphon is provided with male thread, itself and bottom
Rolling bearing inner ring inwall box thread engagement in the fixed linking macropore of fixed disc, makes drainage oral siphon be mounted on rolling
Dynamic bearing inner ring.
The fixed linking aperture of each pair top fixed disc is connected between aperture with the fixed of bottom fixed disc to be provided with
A piece perforate attachment tube, perforate attachment tube both ends outer wall are machined with male thread, are fixed with top fixed disc be connected aperture respectively
Inwall box thread and bottom fixed disc fix the box thread engagement of linking aperture inwall.Perforate attachment tube wall is along its tube axial direction
Uniformly offer a row circle apopore, and perforate face marine riser wall.
Described rolling bearing is highly equal to the fixed linking macropore height of fixed disc.
Using described drainage injection destruction a kind of drainage spray can be provided around the vortex-induced vibration suppression device of laminar boundary layer
Penetrate the vortex-induced vibration inhibiting method destroyed around laminar boundary layer.The marine riser for installing apparatus of the present invention is placed in seawater, ocean current
When flowing through marine riser, disturbed by six roots of sensation perforate attachment tube, around laminar boundary layer multilated, the formation to vortex produces suppression
System.In addition, ocean current impact on the conical blind go side and horn mouth of drainage oral siphon, driving drainage oral siphon rotation, makes it
Loudspeaker opening face incoming, and seawater is introduced to perforate attachment tube, ocean current kinetic energy is changed into pressure energy；In perforate attachment tube
Pressure is more than outside ocean current pressure so that the seawater in perforate attachment tube sprays from apopore again, due to apopore face ocean
Standpipe wall, the seawater of ejection produce direct impact failure around laminar boundary layer to marine riser surface, further suppress
The formation of vortex and come off, it is achieved thereby that the suppression of vortex-induced vibration.
The present invention has advantages below due to taking above technical scheme：
1st, the conical blind go side of apparatus of the present invention drainage oral siphon and bell-mouth structure of air, it can be flowed to according to ocean current and occur to turn
Dynamic regulation, makes drainage oral siphon loudspeaker opening face incoming, can both introduce the current of greater flow, will can more flow again
The injection pressure energy of perforate attachment tube apopore can be changed into.
2nd, apparatus of the present invention can be used as an elementary cell, in actual installation in use, according to certain spacing in sea
Tandem is arranged on foreign standpipe, realizes that the vortex-induced vibration of different parts suppresses.
3rd, the perforate attachment tube height of apparatus of the present invention and its perforate number of wall can be set according to actual marine environment
Put, to reach optimal vortex-induced vibration inhibition.
Brief description of the drawings
Fig. 1 is apparatus of the present invention structural representation；
Fig. 2 is apparatus of the present invention fixed disc schematic diagram；
Fig. 3 is that apparatus of the present invention drain oral siphon schematic diagram；
Fig. 4 is apparatus of the present invention rolling bearing overall schematic；
Fig. 5 is that apparatus of the present invention half rolling bearing splits schematic diagram；
Fig. 6 is apparatus of the present invention perforate attachment tube schematic diagram；
Wherein：1st, marine riser；2nd, fixed disc；3rd, oral siphon is drained；4th, perforate attachment tube；5th, fixed linking aperture；
6th, fixed linking macropore；7th, housing washer；8th, rolling bearing inner ring；9th, ball；10th, apopore.
Embodiment
The embodiment of the present invention is described further below in conjunction with the accompanying drawings.
As shown in figure 1, a kind of vortex-induced vibration suppression device for draining injection destruction around laminar boundary layer is by fixed disc 2, rolling
Dynamic bearing, drainage oral siphon 3, perforate attachment tube 4 form.As shown in Fig. 2 fixed disc 2 is by two symmetrical semi-circular shape structures
Part docking assembles, and fixed disc 2 has two, is set in by one height of perforate attachment tube 4 in interval outside marine riser 1
Wall, it is bolted.Fixed disc 2 circumferentially uniformly offers six fixed convergence holes of the circle through fixed disc 2, and
The diameter parallel of the axis and fixed disc 2 of fixed convergence hole.Fixed convergence hole one end aperture is big, and other end aperture is small, fixed
Linking macropore 6 forms step surface with fixing to be connected between aperture 5, and fixed linking macropore 6 is connected equal in the middle part of the inwall of aperture 5 with fixed
Provided with box thread.The fixed linking macropore 6 of top fixed disc 2 is opening up, the fixed linking macropore 6 of bottom fixed disc 2
It is opening down, and the fixation convergence hole center of circle of upper and lower fixed disc 2 is coaxial.
As shown in Figure 4, Figure 5, rolling bearing sets the inside and outside coil structures of ball 9, the inwall of rolling bearing inner ring 8 middle part for centre
Provided with box thread, male thread is provided with the middle part of the outer wall of housing washer 7.Each fixed linking macropore 6 disposes an axis of rolling
Hold, and the male thread of the outer wall of housing washer 7 engages with the box thread of the fixed linking inwall of macropore 6, makes housing washer 7
It is fixed in fixed linking macropore 6, and rolling bearing inner ring 8 can rotate relative to housing washer 7.
As shown in figure 3, drainage oral siphon 3 is overall in T shape, one end of its T-shaped horizontal direction is blind logical provided with circular conical surface
Plate, the other end are provided with horn mouth, and loudspeaker outward opening；The end outer wall of drainage oral siphon 3T font vertical direction is provided with public spiral shell
Line, it is engaged with the fixed inwall box thread of rolling bearing inner ring 8 being connected in macropore 6 of bottom fixed disc 2, drainage is entered water
Pipe 3 is mounted on rolling bearing inner ring 8.
As shown in figure 1, the fixed linking aperture 5 of each pair top fixed disc 2 is connected small with the fixation of bottom fixed disc 2
A piece perforate attachment tube 4 is installed between hole 5, as shown in fig. 6, the both ends outer wall of perforate attachment tube 4 is machined with male thread, respectively with
Top fixed disc 2 fixes the linking inwall box thread of aperture 5 and bottom fixed disc 2 is fixed the linking inwall box thread of aperture 5 and nibbled
Close.The wall of perforate attachment tube 4 uniformly offers a row circle apopore 10, and perforate face marine riser 1 along its tube axial direction
Wall.
Described rolling bearing is highly equal to the fixed height of linking macropore 6 of fixed disc 2.
Using described drainage injection destruction a kind of drainage spray can be provided around the vortex-induced vibration suppression device of laminar boundary layer
Penetrate the vortex-induced vibration inhibiting method destroyed around laminar boundary layer.The marine riser 1 for installing apparatus of the present invention is placed in seawater, ocean current
When flowing through marine riser 1, by the interference of six roots of sensation perforate attachment tube 4, around laminar boundary layer multilated, the formation to vortex produces suppression
System.In addition, ocean current impact, on the conical blind go side and horn mouth of drainage oral siphon 3, driving drainage oral siphon 3 rotates, and makes
Its loudspeaker opening face incoming, and seawater is introduced to perforate attachment tube 4, ocean current kinetic energy is changed into pressure energy；Perforate attachment tube 4
In pressure be more than outside ocean current pressure so that seawater in perforate attachment tube 4 sprays from apopore 10 again, due to apopore 10
The wall of face marine riser 1, the seawater of ejection produce direct impact failure around laminar boundary layer to the surface of marine riser 1, entered
One step inhibits the formation of vortex and come off, it is achieved thereby that the suppression of vortex-induced vibration.
Embodiment
Apparatus of the present invention can be used as an elementary cell, and according to certain spacing, tandem is arranged on marine riser, real
The vortex-induced vibration of existing different parts suppresses.
During in-site installation, bottom fixed disc 2 is installed first, fixed disc 2 is sleeved on the outer wall of marine riser 1, and make
It is opening down that it fixes linking macropore 6.Then rolling bearing is laid in fixed linking macropore 6, and made outside housing washer 7
The male thread of wall engages with the box thread of the fixed linking inwall of macropore 6.Then, the outer wall male thread of oral siphon 3 will be drained with
The inwall box thread of rolling bearing inner ring 8 engagement in the fixed linking macropore 6 of portion's fixed disc 2.Then, by perforate attachment tube 4
The fixed linking inwall box thread of aperture 5 of one end male thread and bottom fixed disc 2 engage, and make going out for perforate attachment tube 4
The wall of 10 face marine riser of water hole 1.Secondly, top fixed disc 2 is installed, it is first big in the fixed linking of top fixed disc 2
Rolling bearing is laid in hole 6, fixed disc 2 is then sleeved on the outer wall of marine riser 1, and make the fixation of top fixed disc 2
It is opening up to be connected macropore 6.Finally, the upper end male thread of perforate attachment tube 4 is connected aperture with the fixation of top fixed disc 2
5 inwall box threads are engaged, and the installation for completing whole device is fixed.
The marine riser 1 for installing apparatus of the present invention is placed in seawater, when ocean current flows through marine riser 1, by the six roots of sensation
The interference of perforate attachment tube 4, around laminar boundary layer multilated, the formation to vortex produces suppression.In addition, ocean current impact drain into
On the conical blind go side of water pipe 3 and horn mouth, driving drainage oral siphon 3 rotates, and makes its loudspeaker opening face incoming, and by sea
Water is introduced to perforate attachment tube 4, ocean current kinetic energy is changed into pressure energy；Pressure in perforate attachment tube 4 is more than outside ocean current pressure,
So that seawater in perforate attachment tube 4 sprays from apopore 10 again, due to the wall of 10 face marine riser of apopore 1, ejection
Seawater produces direct impact failure to the surface of marine riser 1 around laminar boundary layer, further suppresses the formation of vortex and comes off,
So as to realize the suppression of vortex-induced vibration.
Claims (3)
- A kind of 1. vortex-induced vibration suppression device for draining injection destruction around laminar boundary layer, it is characterised in that：By fixed disc (2), Rolling bearing, drainage oral siphon (3), perforate attachment tube (4) composition；Fixed disc (2) is by two symmetrical semi-circular shape components Docking assembles, and fixed disc (2) has two, and marine riser is highly set in by the one perforate attachment tube (4) in interval (1) outer wall, it is bolted；It is fixed that fixed disc (2) circumferentially uniformly offers six circles through fixed disc (2) Convergence hole, and the diameter parallel of the axis and fixed disc (2) of fixed convergence hole；Fixed convergence hole one end aperture is big, the other end Aperture is small, and fixed linking macropore (6) forms step surface with fixing to be connected between aperture (5), fixed linking macropore (6) and fixed rank Connect and be equipped with box thread in the middle part of aperture (5) inwall；The fixed linking macropore (6) of top fixed disc (2) is opening up, and bottom is solid The fixed linking macropore (6) of fixed disk (2) is opening down, and the fixation convergence hole center of circle of upper and lower fixed disc (2) is coaxial；Rolling Dynamic bearing is the inside and outside coil structures that centre sets ball (9), and box thread, rolling bearing are provided with the middle part of rolling bearing inner ring (8) inwall Male thread is provided with the middle part of outer ring (7) outer wall；Each fixed linking macropore (6) disposes a rolling bearing, and outside rolling bearing The male thread for enclosing (7) outer wall engages with the box thread of fixed linking macropore (6) inwall；Drain overall in T shape, the T of oral siphon (3) One end of font horizontal direction is provided with the blind logical plate of circular conical surface, and the other end is provided with horn mouth, and loudspeaker outward opening；Drain oral siphon (3) the end outer wall of T-shaped vertical direction is provided with male thread, and the male thread is connected macropore with the fixation of bottom fixed disc (2) (6) rolling bearing inner ring (8) inwall box thread engagement in；The fixed linking aperture (5) of each pair top fixed disc (2) is with A piece perforate attachment tube (4) is installed, outside perforate attachment tube (4) both ends between the fixed linking aperture (5) of portion's fixed disc (2) Wall is machined with male thread, is connected aperture (5) inwall box thread and bottom fixed disc with top fixed disc (2) fixation respectively (2) fixed linking aperture (5) inwall box thread engagement；Perforate attachment tube (4) wall uniformly offers a row along its tube axial direction Circular apopore (10), and perforate face marine riser (1) wall.
- 2. drainage injection as claimed in claim 1 destroys the vortex-induced vibration suppression device around laminar boundary layer, it is characterised in that：Rolling Dynamic bearing is highly equal to fixed linking macropore (6) height of fixed disc (2).
- A kind of 3. vortex-induced vibration inhibiting method for draining injection destruction around laminar boundary layer, using drainage as claimed in claim 1 Injection destroys the vortex-induced vibration suppression device around laminar boundary layer, it is characterised in that：When ocean current flows through marine riser (1), by six The interference of root perforate attachment tube (4), around laminar boundary layer multilated, the formation to vortex produces suppression；Ocean current impact drain into On the conical blind go side of water pipe (3) and horn mouth, driving drainage oral siphon (3) rotation, make its loudspeaker opening face incoming, and Seawater is introduced to perforate attachment tube (4), ocean current kinetic energy is changed into pressure energy；Pressure in perforate attachment tube (4) is more than outside Ocean current pressure so that the seawater in perforate attachment tube (4) sprays from apopore (10) again, because apopore (10) face ocean is stood (1) wall is managed, the seawater of ejection produces direct impact failure to marine riser (1) surface around laminar boundary layer, further suppression The formation of vortex processed and come off, so as to realize the suppression of vortex-induced vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497136.7A CN106089108B (en) | 2016-06-30 | 2016-06-30 | A kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610497136.7A CN106089108B (en) | 2016-06-30 | 2016-06-30 | A kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer |
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| Publication Number | Publication Date |
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| CN106089108A CN106089108A (en) | 2016-11-09 |
| CN106089108B true CN106089108B (en) | 2018-01-09 |
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| CN201610497136.7A Expired - Fee Related CN106089108B (en) | 2016-06-30 | 2016-06-30 | A kind of vortex-induced vibration suppression device and method for draining injection destruction around laminar boundary layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958426B (en) * | 2017-03-03 | 2018-04-20 | 中国石油大学(华东) | Assembling rotary blade revolves vortex-induced vibration of marine riser restraining device and method |
| CN107065945B (en) * | 2017-05-27 | 2019-12-27 | 湘潭大学 | Active control method and device for bluff body streaming and vortex-induced vibration effect under shear incoming flow |
| CN108590540B (en) * | 2018-05-04 | 2019-07-16 | 西南石油大学 | It is a kind of to arrange the vibration-repressing device and method for inhaling seawater using heaving of the sea pressure difference |
| CN108679357B (en) * | 2018-05-13 | 2019-10-01 | 西南石油大学 | A kind of whirlpool vibration inhibition device and method that magnetic force swing is combined with water conservancy diversion rotation |
| KR102159621B1 (en) * | 2019-01-09 | 2020-09-24 | 한국해양대학교 산학협력단 | Cylindrical structure with string to reduce lift |
| CN113992060B (en) * | 2021-10-27 | 2023-08-15 | 西南石油大学 | Synchronous vibration suppression and power generation device and method combining drainage and sliding pendulum |
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| GB2296904A (en) * | 1995-03-03 | 1996-07-17 | Victoria Oilfield Dev (Uk) Ltd | Mooring ang Flowline System |
| JPH10252373A (en) * | 1997-03-13 | 1998-09-22 | Mitsubishi Heavy Ind Ltd | Riser pipe hang-off device for seabed excavation ship |
| CN101216138A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Submarine pipeline vortex-induced vibration inhibiting method |
| CN101387188A (en) * | 2008-11-04 | 2009-03-18 | 中国海洋大学 | Suppressing vibration method for marine riser vortex-induced vibration and suppressing vibration apparatus thereof |
-
2016
- 2016-06-30 CN CN201610497136.7A patent/CN106089108B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2296904A (en) * | 1995-03-03 | 1996-07-17 | Victoria Oilfield Dev (Uk) Ltd | Mooring ang Flowline System |
| JPH10252373A (en) * | 1997-03-13 | 1998-09-22 | Mitsubishi Heavy Ind Ltd | Riser pipe hang-off device for seabed excavation ship |
| CN101216138A (en) * | 2007-12-28 | 2008-07-09 | 天津大学 | Submarine pipeline vortex-induced vibration inhibiting method |
| CN101387188A (en) * | 2008-11-04 | 2009-03-18 | 中国海洋大学 | Suppressing vibration method for marine riser vortex-induced vibration and suppressing vibration apparatus thereof |
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