CN106285511B - A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method - Google Patents
A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method Download PDFInfo
- Publication number
- CN106285511B CN106285511B CN201610850915.0A CN201610850915A CN106285511B CN 106285511 B CN106285511 B CN 106285511B CN 201610850915 A CN201610850915 A CN 201610850915A CN 106285511 B CN106285511 B CN 106285511B
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- China
- Prior art keywords
- standpipe
- rotation
- supporting rod
- vortex
- paddle
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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
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
-
- 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
- F15D1/003—Influencing flow of fluids by influencing the boundary layer using passive means, i.e. without external energy supply comprising surface features, e.g. indentations or protrusions
Abstract
The present invention relates to a kind of compound disturbance formula standpipe vortex-induced vibration suppression device and methods.Device is welded with the bearing of four S-shaped blades, four supporting rods and eight rotation paddles by upper and lower two and forms.Bearing outer ring outer wall is circumferentially equidistantly welded with four S-shaped blades, and jack is uniformly provided on the thin-walled of S-shaped blade one side.Supporting rod is assigned between the S-shaped blade of upper and lower bearing, two rotation paddles are set on every supporting rod.Eight rotation paddles spatially helically rise shape arrangement around standpipe.Under the impact of ocean current, the combination of the multiple spirals inhibitory action such as the achievable S-shaped blade rotation of the present invention, the revolution of different layers position rotation paddle are combined with rotation, supporting rod interference, and screw arrangement of the supporting rod placement location with rotation paddle spatially can be adjusted according to actual marine environment, reach the optimal inhibition effect of vortex-induced vibration.
Description
Technical field
The invention belongs to marine riser facility laying technology fields, and in particular to a kind of compound disturbance formula standpipe vortex-induced vibration
Restraining device and method.
Background technology
Gradually decreasing for petroleum resources is verified with land, the emphasis of Oil And Gas Exploration And Development is transferred to by China
Deep-sea.Devoting Major Efforts To Developing deep water hydrocarbon resource has highly important strategic importance to China.And deep water hydrocarbon is developed, connect seabed
With platform crucial tie --- marine riser is indispensable, function mainly institute's christmas is isolated with seawater, fortune is provided
Defeated passage.Marine riser is on active service in complicated marine environment, subjects ripple, the effect for flowing environment.When ripple, stream pile warp standpipe,
The periodical active force of a perpendicular and parallel flow direction of hanging down can be generated to it, induction marine riser shakes in flow direction and laterally
Dynamic, persistently vibration can make marine riser that fatigue occur, so as to damage inactivation.
With the increase of the exploitation depth of water, the length of marine riser is also continuously increased, the vibration exponent number of marine riser and response
Mode is consequently increased.Marine riser is in the state of multi-modal participation vibration, it may occur that the superposition of power and joint fatigue damage.
In the range of some specific flow velocitys and mass ratio, it also occur that elliptical vibration, the influence of elliptical vibration and bigger is endangered.Once
Standpipe is damaged, and not only results in huge economic loss, can also do great damage to marine environment and marine ecology,
It influences to be even up to half a century or more long caused by destruction.
Existing standpipe vortex-induced vibration suppression device generally existing inhibition is undesirable, is not suitable with what direction changed at random
The deficiencies of water current combining with waves, cumbersome installation inconvenience and field conduct.
The content of the invention
The problem of being solved of the invention is for deficiency existing for existing standpipe vortex-induced vibration suppression device and method, is carried
For a kind of space structure it is adjustable, it is easy for installation, replace simple compound disturbance formula standpipe vortex-induced vibration suppression device and method.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of compound disturbance formula standpipe vortex-induced vibration suppression device, by upper and lower two axis for being welded with four S-shaped blades
It holds, four supporting rods and eight rotation paddles form.Bearing sets the inside and outside coil structures of ball roller for centre, and upper and lower two bearings are pressed
The spacing of one supporting rod height is sleeved on the outer wall of standpipe.There are one the upper end of upper bearing and the lower end of lower bearing are all provided with
Retainer ring realizes /V, and retainer ring docks clip in standing tube outer wall by symmetrical two semi-circular shape components by bolt.Bearing
Outer ring outer wall is circumferentially equidistantly welded with four S-shaped blades, and 20 jacks are uniformly opened up on the one side thin-walled of S-shaped blade.
The jack openings of upper bearing S-shaped blade are downward, and the jack openings of lower bearing S-shaped blade are upward.Four couples of S of upper and lower bearing
Shape blade corresponds parallel arrangement.Supporting rod is the smooth round bar in surface, and four supporting rods are respectively arranged in upper and lower bearing
Four pairs of S-shaped blades jack between, i.e., a supporting rod, and the axis and standpipe of supporting rod are arranged between each pair S-shaped blade
Axis it is parallel.Suit revolves paddle and supporting rod is coaxial, can be rotated around supporting rod there are two rotation paddle on every supporting rod.Each rotation
The upper/lower terminal of paddle is equipped with limited location snap ring, is slid axially with limiting it.Limited location snap ring is led to by symmetrical two semi-circular shape components
It crosses bolt and docks clip in supporting rod outer wall.Eight rotation paddles on four supporting rods spatially helically rise shape cloth around standpipe
It puts.
The screw arrangement of the supporting rod placement location with rotation paddle spatially can determine according to actual marine environment, with
Realize the optimal inhibition effect of vortex-induced vibration.Wherein, supporting rod placement location can select in 20 jacks of S-shaped blade,
Realization supporting rod is adjustable with standpipe spacing；Four spacing between supporting rod and standpipe can be different, can also be the same；
Spatially the screw pitch of screw arrangement and spiral number of turns can be adjusted freely eight rotation paddles.
A kind of compound disturbance formula riser vortex can be realized using the compound disturbance formula standpipe vortex-induced vibration suppression device
Induced vibration inhibiting method.The standpipe for being equipped with the present apparatus is positioned in seawater, when ocean current impact is in the S of upper and lower two bearings
When on shape blade, S-shaped blade can be promoted to be rotated around standpipe, so as to which supporting rod and rotation paddle be driven to be rotated around standpipe, upset standpipe
The Flow Field on surface destroys and streams coming off and developing for vortex.Meanwhile ocean current impact rotation paddle, rotation paddle can be also driven around branch
Strut rotates, and eight rotation paddles for helically rising shape arrangement around standpipe are rotated in different layers position, are further destroyed and are streamed border
The development of layer changes the burble point in boundary layer, affects coming off and releasing for vortex.In addition, four supporting rods surround standpipe
Arrangement, can disturb standpipe Flow Field, upset the separation in boundary layer.Paddle is revolved in rotation disturbance, different layers position in S-shaped blade
Revolution and rotation synergistic effect, supporting rod interference effect under, standpipe streams vortex by multiple-disruption, so as to inhibit by vortex
The standpipe vibration of excitation.
The present invention due to using the technology described above, has the following advantages：
1st, apparatus of the present invention can realize the rotation of S-shaped blade, the revolution of different layers position rotation paddle is combined with rotation, supporting rod is interfered
The combination of multiple spirals inhibitory action is waited, and screw arrangement of the supporting rod placement location with rotation paddle spatially can be according to actual sea
Foreign environment is adjusted, and realizes the optimal inhibition effect of vortex-induced vibration；
2nd, apparatus of the present invention can be rotated around standpipe, be adapted to the marine environment that direction of flow changes at random.
Description of the drawings
Fig. 1 is the structure diagram of apparatus of the present invention；
Fig. 2 is apparatus of the present invention bearing and its uniformly distributed S-shaped blade schematic diagram of outer wall；
Fig. 3 revolves paddle schematic diagram for apparatus of the present invention；
Fig. 4 is apparatus of the present invention limited location snap ring schematic diagram；
Fig. 5 is apparatus of the present invention retainer ring schematic diagram；
Wherein：1. standpipe；2.S shape blades；3. revolve paddle；4. supporting rod；5. limited location snap ring；6. bearing；7. retainer ring.
Specific embodiment
With reference to the accompanying drawings and embodiments, the specific implementation of the present invention is further described：
As shown in Figure 1, a kind of compound disturbance formula standpipe vortex-induced vibration suppression device, four S-shapeds are welded with by upper and lower two
6, four supporting rods 4 of bearing of blade 2 and eight rotation paddles 3 form.As shown in Fig. 2, bearing 6 sets the inside and outside of ball roller for centre
Coil structures, upper and lower two bearings 6 are sleeved on the outer wall of standpipe 1 by the spacing of 4 height of supporting rod.The upper end of upper bearing 6
And the lower end of lower bearing 6 is all provided with there are one the realization /V of retainer ring 7, retainer ring 7 is led to by symmetrical two semi-circular shape components
Bolt docking clip is crossed in 1 outer wall of standpipe, as shown in Figure 1.As shown in Fig. 2, 6 outer ring outer wall of bearing is circumferentially equidistantly welded with
Four S-shaped blades 2 uniformly open up 20 jacks on the one side thin-walled of S-shaped blade 2.The jack of upper bearing 6S shapes blade 2 is opened
Downwards, the jack openings of lower bearing 6S shapes blade 2 are upward for mouth.Four pairs of S-shaped blades 2 of upper and lower bearing 6 correspond parallel
Arrangement.Supporting rod 4 is the smooth round bar in surface, and four supporting rods 4 are respectively arranged four pairs of S-shaped blades 2 in upper and lower bearing 6
Between jack, i.e., a supporting rod 4 is arranged between each pair S-shaped blade 2, and the axis of supporting rod 4 is parallel with the axis of standpipe 1.
As shown in Figure 1, suit revolves paddle 3 and supporting rod 4 is coaxial, can be rotated around supporting rod 4 there are two rotation paddle 3 on every supporting rod 4.Such as
Shown in Fig. 3, each upper/lower terminal for revolving paddle 3 is equipped with limited location snap ring 5, is slid axially with limiting it.As shown in figure 4, limited location snap ring
5 dock clip in 4 outer wall of supporting rod by symmetrical two semi-circular shape components by bolt.Eight rotations on four supporting rods 4
Paddle 3 spatially helically rises shape arrangement around standpipe 1, as shown in Figure 1.
The screw arrangement of 4 placement location of supporting rod with rotation paddle 3 spatially can determine according to actual marine environment,
To realize the optimal inhibition effect of vortex-induced vibration.Wherein, 4 placement location of supporting rod can select in 20 jacks of S-shaped blade 2
It selects, realization supporting rod 4 is adjustable with 1 spacing of standpipe；Spacing between four supporting rods 4 and standpipe 1 can be different, also may be used
With the same；Spatially the screw pitch of screw arrangement and spiral number of turns can be adjusted freely eight rotation paddles 3.
A kind of compound disturbance formula riser vortex can be realized using the compound disturbance formula standpipe vortex-induced vibration suppression device
Induced vibration inhibiting method.The standpipe 1 for being equipped with the present apparatus is positioned in seawater, when ocean current is impacted in upper and lower two bearings 6
When on S-shaped blade 2, S-shaped blade 2 can be promoted to be rotated around standpipe 1, so as to which supporting rod 4 and rotation paddle 3 be driven to be rotated around standpipe 1, upset
The Flow Field on 1 surface of standpipe destroys and streams coming off and developing for vortex.Meanwhile ocean current impact rotation paddle 3, it can also drive
Rotation paddle 3 is rotated around supporting rod 4, and eight rotation paddles 3 for helically rising shape arrangement around standpipe 1 are rotated in different layers position, are further broken
The development around laminar boundary layer is broken, changes the burble point in boundary layer, affects coming off and releasing for vortex.In addition, four branch
Strut 4 is arranged around standpipe 1, can be disturbed 1 Flow Field of standpipe, be upset the separation in boundary layer.It is disturbed in the rotation of S-shaped blade 2
Dynamic, different layers position rotation paddle 3 revolution and rotation synergistic effect, supporting rod 4 interference effect under, standpipe 1 to stream vortex more
It destroys again, so as to inhibit to be vibrated by the standpipe 1 of vortex excitation.
Embodiment：
During actual installation, lower bearing 6 is set in 1 outer wall of standpipe first, and in the lower end of lower bearing 6 retainer ring 7
Realize axial restraint.According to actual current direction and flow velocity, assigned in the suitable jack of four S-shaped blades 2 of lower bearing 6
Four supporting rods 4.Then two rotation paddles 3 are set on every supporting rod 4, and in the upper/lower terminal /V of each rotation paddle 3
Snap ring 5 limits it and slides axially.Eight rotation paddles 3 on four supporting rods 4 spatially helically rise shape arrangement around standpipe 1,
Its screw pitch and spiral number of turns are determined according to actual ocean current environment.Finally, upper bearing 6 is set in 1 outer wall of standpipe, makes four supports
The upper end of bar 4 is assigned in the jack of corresponding 6 four S-shaped blades 2 of upper bearing, in the upper end of upper bearing 6 retainer ring 7
Realize axial restraint.
The standpipe 1 for installing the present apparatus is positioned in seawater, ocean current is impacted on S-shaped blade 2, promote S-shaped blade 2 around
Standpipe 1 rotates, and supporting rod 4 and rotation paddle 3 is driven to be rotated around standpipe 1, the Flow Field on 1 surface of standpipe has been upset, has destroyed and stream
Vortex comes off and develops.Meanwhile ocean current impact rotation paddle 3, driving rotation paddle 3 are rotated around supporting rod 4, helically risen around standpipe 1
Eight rotation paddles 3 of shape arrangement are rotated in different layers position, further destroy the development around laminar boundary layer, change point in boundary layer
From point, coming off and releasing for vortex is affected.In addition, four supporting rods 4 are arranged around standpipe 1, standpipe 1 can be disturbed to stream stream
, upset the separation in boundary layer.Rotation disturbance, the revolution of different layers position rotation paddle 3 and rotation synergistic effect, branch in S-shaped blade 2
Under the interference effect of strut 4, standpipe 1 streams vortex by multiple-disruption, so as to inhibit to be vibrated by the standpipe 1 of vortex excitation.
Claims (2)
1. a kind of compound disturbance formula standpipe vortex-induced vibration suppression device, the axis for being welded with four S-shaped blades (2) by upper and lower two
(6), four supporting rods (4) and eight rotation paddles (3) are held to form；Upper and lower two bearings (6) are by between supporting rod (4) height
Away from the outer wall for being sleeved on standpipe (1), the upper end of upper bearing (6) and the lower end of lower bearing (6) are all provided with that there are one retainer rings (7)
Realize /V, retainer ring (7) docks clip in standpipe (1) outer wall by symmetrical two semi-circular shape components by bolt；Top
The jack openings of bearing (6) S-shaped blade (2) are downward, and the jack openings of lower bearing (6) S-shaped blade (2) are upward, upper and lower bearing
(6) four pairs of S-shaped blades (2) correspond parallel arrangement；Supporting rod (4) is the smooth round bar in surface, four supporting rods (4)
It is respectively arranged between the jack of four pairs of S-shaped blades (2) of upper and lower bearing (6), a branch is arranged between each pair S-shaped blade (2)
Strut (4), and the axis of supporting rod (4) is parallel with the axis of standpipe (1)；Limited location snap ring (5) is by symmetrical two semi-circular shape
Component docks clip in supporting rod (4) outer wall by bolt；It is characterized in that：Described bearing (6) the outer ring outer wall is circumferentially etc.
Spacing is welded with four S-shaped blades (2), and 20 jacks are uniformly opened up on the one side thin-walled of every S-shaped blade (2)；Described
Suit revolves paddle (3) and supporting rod (4) coaxially, can be rotated around supporting rod (4) there are two rotation paddle (3) on every supporting rod (4)；Institute
The upper/lower terminal for each rotation paddle (3) stated is equipped with limited location snap ring (5), is slid axially with limiting it；Four supporting rods
(4) eight rotation paddles (3) on spatially helically rise shape arrangement around standpipe (1).
2. a kind of compound disturbance formula standpipe vortex-induced vibration inhibiting method utilizes compound disturbance formula standpipe as described in claim 1
Vortex-induced vibration suppression device, it is characterized in that：Ocean current is impacted on the S-shaped blade (2) of upper and lower two bearings (6), promotes S-shaped leaf
Piece (2) around standpipe (1) rotate, drive supporting rod (4) and rotation paddle (3) around standpipe (1) rotate, upset standpipe (1) surface around
Flow field is flowed, destroys and streams coming off and developing for vortex；Ocean current impact rotation paddle (3), driving rotation paddle (3) are rotated around supporting rod (4),
Eight rotation paddles (3) for helically rising shape arrangement around standpipe (1) rotate in different layers position, destroy the development around laminar boundary layer,
The burble point in boundary layer is changed, affects coming off and releasing for vortex；Four supporting rods (4) are arranged around standpipe (1), are disturbed
Standpipe (1) Flow Field, has upset the separation in boundary layer；Paddle (3) is revolved in rotation disturbance, different layers position in S-shaped blade (2)
Revolution and rotation synergistic effect, supporting rod (4) interference effect under, standpipe (1) streams vortex by multiple-disruption, so as to inhibit
It is vibrated by the standpipe (1) of vortex excitation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850915.0A CN106285511B (en) | 2016-09-27 | 2016-09-27 | A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610850915.0A CN106285511B (en) | 2016-09-27 | 2016-09-27 | A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method |
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| CN106285511A CN106285511A (en) | 2017-01-04 |
| CN106285511B true CN106285511B (en) | 2018-05-22 |
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| CN201610850915.0A Expired - Fee Related CN106285511B (en) | 2016-09-27 | 2016-09-27 | A kind of compound disturbance formula standpipe vortex-induced vibration suppression device and method |
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| 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 |
| CN107560811A (en) * | 2017-08-16 | 2018-01-09 | 中国海洋石油总公司 | A kind of double standpipe vortex-induced vibration research experiment vertical tube fixing devices |
| CN109236014B (en) * | 2018-11-16 | 2024-04-16 | 郑州大学 | Double spin vortex breaking device for inhibiting vortex-induced vibration of steel pipe high-rise structure |
| CN110792658B (en) * | 2019-10-29 | 2021-07-06 | 江苏科技大学 | Marine magnetic suspension vortex-induced vibration suppression device |
| CN113585210A (en) * | 2021-09-13 | 2021-11-02 | 西南石油大学 | Vibration suppression device and method for marine riser with partition plate rotating and swinging and screw rotating cooperation |
| CN113931581A (en) * | 2021-09-16 | 2022-01-14 | 建湖县永维阀门钻件有限公司 | Can anti whirlpool press down riser that shakes |
| 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 |
| CN114776515B (en) * | 2022-03-31 | 2023-12-22 | 西南石油大学 | Synchronous power generation and vibration suppression device and method for cantilever drainage and rotary coupling |
| CN114895570B (en) * | 2022-07-13 | 2022-09-20 | 西南石油大学 | Multi-constraint self-adaptive control method for marine flexible riser |
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