CN208187685U - A kind of marine riser cylinder flow-disturbing experimental provision - Google Patents
A kind of marine riser cylinder flow-disturbing experimental provision Download PDFInfo
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- CN208187685U CN208187685U CN201820667363.4U CN201820667363U CN208187685U CN 208187685 U CN208187685 U CN 208187685U CN 201820667363 U CN201820667363 U CN 201820667363U CN 208187685 U CN208187685 U CN 208187685U
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- ocean current
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- marine riser
- standpipe
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Abstract
The utility model discloses a kind of marine riser cylinder flow-disturbing experimental provisions, including sink body, standpipe is vertically arranged in the sink body, side is horizontally disposed with multiple ocean current demixing plates in the sink body, water level regulation mouth is arranged in the other side, and the standpipe passes through the ocean current demixing plate；One intake-outlet is set between two layers adjacent of ocean current demixing plate, the intake-outlet is set to outside sink body by extending the partition of sink body, marine riser cylinder flow-disturbing experimental provision structure disclosed in the utility model is simple, occupied area is relatively small, cost is lower, conveniently moving, convenient for common laboratory installation, uses；Device maintenance, the experimental cost etc. are lower simultaneously；The ocean current demixing plate part of this experimental provision can need to simulate each layer ocean current stratified flow regime according to test, while can also be freely disassembled, combine analog difference ocean current flow regime.
Description
Technical field
The utility model relates to a kind of ocean experimental simulation device, in particular to a kind of marine riser cylinder flow-disturbing experiment dress
It sets.
Background technique
Marine riser is the main connector and oil extraction output most important one between ocean platform and subsea wellheads
A link.As crude oil in China exploitation gradually extends to deep-sea, current hot spot is become to the research of deep water marine riser flow-disturbing
Problem.As a kind of contact channel on sea and oil well, there are many contact methods, fixed platform, floating platform and drilling ship
Oceangoing ship etc..Marine riser slenderness ratio is very big, under ocean environmental loads effect, such as the effect of wind, wave, interior stream, it may occur however that whirlpool
Excited vibration, to accelerate its fatigue rupture.And marine riser is mainly for delivery of the crude oil article such as petroleum, natural gas, once hair
It is raw to destroy, serious environmental pollution and secondary disaster will be caused.High-fineness ratio feature based on deep sea vertical pipe, how to its into
The more accurate true flow-disturbing simulation of row, not only has biggish theory significance, but also have important engineering application value.
When standpipe numerical simulation or numerical experimentation, it is necessary first to consider that standpipe is flowed and the continuous action of trailing vortex；
Next needs to consider that water surface flowing is acted on stream in ocean；Need to consider the variation etc. of each ocean current layer temperature, salinity etc. again；Together
When vertical tube fluid flowing the influence to standpipe flow-disturbing such as directional velocity it is equally serious.But most domestic ocean at present
Standpipe experimental model, device and equipment for standpipe flow-disturbing model can not well model engineering it is practical so that going out
Conclusion do not have applicability.
The country has many colleges and universities, research institution to be engaged in the research such as marine riser flow-disturbing, vortex-induced vibration, but mostly with numerical value reality
Based on testing, main reason is that the comparatively huge experimentation in laboratory needs to expend a large amount of funds.Such as certain university in China sea
Foreign standpipe vortex-induced vibration test platform, the long 60m in pond, width 36m, such experiment porch common laboratory are difficult to possess.Simultaneously should
The funds in need such as laboratory operating cost, later period maintenance are higher, and difficulty is larger when the later period is transformed according to experimental designs.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of marine riser cylinder flow-disturbing experimental provision, to reach
Purpose small to occupied area, function is complete, at low cost.
In order to achieve the above objectives, the technical solution of the utility model is as follows:
A kind of marine riser cylinder flow-disturbing experimental provision, including sink body are vertically arranged standpipe in the sink body, described
Side is horizontally disposed with multiple ocean current demixing plates in sink body, and water level regulation mouth is arranged in the other side, and the standpipe passes through the ocean current
Demixing plate；One intake-outlet is set between two layers adjacent of ocean current demixing plate, and the intake-outlet is by extending sink body
Partition be set to outside sink body.
In above scheme, water filling port is arranged in the riser bottom, and top is arranged liquid level and adjusts mouth.
In above scheme, the sink body bottom setting movement idler wheel.
In above scheme, the water level regulation mouth includes two, is respectively arranged at the top and bottom of sink body.
In above scheme, the standpipe is rigid riser or compliant riser.
In above scheme, flow control valve is respectively provided at the intake-outlet and water filling port.
Through the above technical solutions, marine riser cylinder flow-disturbing experimental provision provided by the utility model is directed to marine riser
Cylinder flow-disturbing experimental provision higher cost, the disadvantages of taking up a large area, can not effectively simulating the flow regimes such as adverse current, laminar flow.It is logical
The size in experiment pond, standpipe is greatly reduced in the mode for crossing the transformation of large scale equidimensional, and meeting it, occupied area is small, function
Can be complete, at low cost the features such as.
The long 5m of present apparatus model, 2 meters wide, 1.2 meters of depth, can save lab space, can place in common laboratory
Installation requires lab space lower.
On the basis of reducing standpipe flow-disturbing moulded dimension, following function can be realized in such a way that water is injected in automatic adjustment
Can:
1, standpipe cylinder flow-disturbing test function is realized with better simply structural body, simulates the laminar flow of utilizing ocean current；
2, experimental provision can be realized the laminar flow function of fluid, while the flow for adjusting water inlet can be to each laminar flow
It is dynamic to accurately control；
3, by controlling the water inlet or water outlet of intake-outlet, convection current, the backflow phenomena of each interlayer of ocean current can be simulated；
4, it can be needed for standpipe to be changed to rigid riser, compliant riser etc. according to experiment；
5, it can need to adjust the fluidised forms such as flow velocity, flow direction, the flow pattern of vertical tube fluid according to test；
6, model water outlet one end is furnished with water level regulation mouth, can adjust liquid level in sink body in time and change；
7, ocean current demixing plate is detachable, increases the range of experiment simulation operating condition.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is a kind of marine riser cylinder flow-disturbing experimental provision stereoscopic schematic diagram disclosed in the utility model embodiment；
Fig. 2 is marine riser cylinder flow-disturbing experimental provision side view disclosed in the utility model embodiment.
In figure, 1, intake-outlet；2, flaring bore；3, it buckles；4, standpipe；5, ocean current demixing plate；6, sink body；7, water level
Adjust mouth；8, idler wheel is moved；9, water filling port；10, liquid level adjusts mouth.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The utility model provides a kind of marine riser cylinder flow-disturbing experimental provision, including sink body 6,6 bottom of sink body
Setting movement idler wheel 8.Standpipe 4 is vertically arranged in sink body 6, standpipe 4 is fixed on 6 top of sink body, 4 bottom of standpipe by buckle 3
Water filling port 9 is arranged in portion, and top is arranged liquid level and adjusts mouth 10.Side is horizontally disposed with multiple ocean current demixing plates 5 in sink body 6, another
Water level regulation mouth 7 is arranged in side, and standpipe 4 passes through ocean current demixing plate 5；One disengaging is set between two layers adjacent of ocean current demixing plate 5
The mouth of a river 1, intake-outlet 1 is set to outside sink body 6 by extending the partition of sink body, between partition and ocean current demixing plate 5
Form flaring bore 2.
In the present embodiment, water level regulation mouth 7 includes two, is respectively arranged at the top and bottom of sink body 6.Intake-outlet
1 and water filling port 9 at be respectively provided with flow control valve, can be to the precise control of flew of the fluid in Inlet and outlet water and standpipe.
As needed, standpipe 4 can be rigid riser or compliant riser.
Working principle:
When starting, sink body 6 is in vacant anhydrous state, and the caliber and material of standpipe 4 are determined according to experiment demand；It is logical
Intake-outlet 1 (lower end is intake-outlet, and respectively by different Inlet and outlet water switch controls, flow is adjustable) is crossed by sink body 6
Water level is adjusted to suitable level.
When test, according to ocean current environment locating for standpipe 4, the seawater velocity of fluid layer locating for standpipe 4 is determined, according to flow velocity tune
The water velocity for saving each intake-outlet 1, due to the presence of ocean current demixing plate 5, the corresponding ocean current layering of each intake-outlet 1
Region；Ocean current demixing plate 5 can be dismantled according to test demand simultaneously, therefore a variety of ocean current situations of analog.When test carries out, injection
When water level reaches or is more than preset water level, the water level that water level regulation mouth 7 adjusts sink body 6 in real time can be opened；Actual tests mistake
The flow velocity of fluid in journey neutral tube 4, fluidised form, flow direction, whether the operating conditions such as vacant can be adjusted according to actual needs, and standpipe 4 can basis
Operating condition of test replacement, therefore path length ratio, degree of flexibility etc. can also meet test needs.
This standpipe cylinder flow-disturbing experimental provision has the advantage that
1, the advantages that present apparatus structure is simple, and occupied area is relatively small, cost is lower, conveniently moving, convenient for general real
It tests room installation, use；Device maintenance, the experimental cost etc. are lower simultaneously.
2, the ocean current demixing plate part of this experimental provision can need to simulate according to test each layer ocean current laminar flow shape
State, while can also be freely disassembled, combine analog difference ocean current flow regime, ocean current opposition is realized by the method for seperated layer water injection
The different impacts of pipe difference section.
3, the present apparatus is furnished with water level regulation mouth, can be needed to adjust height of water level in experimental trough in real time according to test.
4, standpipe can be dismantled flexibly as needed, be replaced, therefore can be replaced, be adjusted according to operating condition of test, test demand etc.
It is whole.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (6)
1. a kind of marine riser cylinder flow-disturbing experimental provision, including sink body, which is characterized in that be vertically arranged in the sink body
Standpipe, side is horizontally disposed with multiple ocean current demixing plates in the sink body, and water level regulation mouth is arranged in the other side, and the standpipe passes through
The ocean current demixing plate；One intake-outlet is set between two layers adjacent of ocean current demixing plate, and the intake-outlet passes through extension
The partition of water outlet groove body is set to outside sink body.
2. a kind of marine riser cylinder flow-disturbing experimental provision according to claim 1, which is characterized in that the riser bottom
Water filling port is set, and top is arranged liquid level and adjusts mouth.
3. a kind of marine riser cylinder flow-disturbing experimental provision according to claim 1, which is characterized in that the sink body bottom
Portion's setting movement idler wheel.
4. a kind of marine riser cylinder flow-disturbing experimental provision according to claim 1, which is characterized in that the water level regulation
Mouth includes two, is respectively arranged at the top and bottom of sink body.
5. a kind of marine riser cylinder flow-disturbing experimental provision according to claim 1, which is characterized in that the standpipe is rigid
Property standpipe or compliant riser.
6. a kind of marine riser cylinder flow-disturbing experimental provision according to claim 1, which is characterized in that the intake-outlet
With flow control valve is respectively provided at water filling port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667363.4U CN208187685U (en) | 2018-05-04 | 2018-05-04 | A kind of marine riser cylinder flow-disturbing experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667363.4U CN208187685U (en) | 2018-05-04 | 2018-05-04 | A kind of marine riser cylinder flow-disturbing experimental provision |
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| CN208187685U true CN208187685U (en) | 2018-12-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507758A (en) * | 2018-05-04 | 2018-09-07 | 山东省科学院海洋仪器仪表研究所 | A kind of marine riser cylinder flow-disturbing experimental provision |
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2018
- 2018-05-04 CN CN201820667363.4U patent/CN208187685U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507758A (en) * | 2018-05-04 | 2018-09-07 | 山东省科学院海洋仪器仪表研究所 | A kind of marine riser cylinder flow-disturbing experimental provision |
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