CN106441766B - A kind of deep water production riser multiphase flow vibration testing device and method - Google Patents
A kind of deep water production riser multiphase flow vibration testing device and method Download PDFInfo
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- CN106441766B CN106441766B CN201611088660.5A CN201611088660A CN106441766B CN 106441766 B CN106441766 B CN 106441766B CN 201611088660 A CN201611088660 A CN 201611088660A CN 106441766 B CN106441766 B CN 106441766B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
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Abstract
The invention discloses a kind of deep water production riser multiphase flow vibration testing devices, it includes transparent water tank（1）, transparent hose（2）, be set to transparent water tank（1）Interior vertical and straight movement rail system（3）, be set to transparent water tank（1）The horizontal movement rail system at top（4）, vertical and straight movement rail system（3）With horizontal movement rail system（4）It include servo motor（5）, pedestal A（6）, pedestal B（7）, belt pulley A（8）, belt pulley B（9）, Mobile base（10）And it is fixed on pedestal A（6）With pedestal B（7）Between guide rail（11）；It further includes control cabinet（15）, computer（16）, air compressor machine（17）, pressure regulator valve（18）, water tank（19）, flowmeter（20）And water pump（21）.The beneficial effects of the invention are as follows：Compact-sized, gathered data precision is high, standpipe can carry out different multiphase flow vibration experiments under different location state, easy to operate.
Description
Technical field
The present invention relates to a kind of deep water production riser multiphase flow vibration testing device and methods.
Background technology
Marine riser is the lifeline for connecting marine oil and gas production platform and underwater well head or submarine pipeline, carries ocean
Oil gas normally adopts defeated important task.Underwater Pipeline Construction is of high cost, mostly uses oil and gas multiphase flow mode, and tube fluid belongs to gas-liquid two-phase
Stream, most common flow pattern are slug flow.After slug flow enters standpipe, overpressure and rate of discharge can not only be presented periodically
Big ups and downs can also induce pipeline vibration, shorten the service life of standpipe, or even can cause the fatigue rupture of standpipe, serious shadow
Ring safety in production.In order to mitigate and inhibit vibration damage caused by marine riser, need to gain more insight into slug flow in pipe
Flowing law and slug flow induction marine riser vibration mechanism.However, existing experimental provision can only study slug flow
The influence to standpipe is vibrated, and the influence of bubble flow, annular flow and mist flow vibration to standpipe cannot be studied, and is existing
Standpipe in experimental provision can only study the standpipe under a kind of state.
Invention content
It is an object of the invention to overcome the prior art, provide it is a kind of it is compact-sized, gathered data precision is high, vertical
Pipe can carry out different multiphase flow vibration experiments, deep water production riser multiphase flow easy to operate vibration in fact under different location state
Experiment device and method.
The purpose of the present invention is achieved through the following technical solutions：A kind of deep water production riser multiphase flow vibration experiment dress
It sets, it includes transparent water tank, transparent hose, the vertical and straight movement rail system being set in transparent water tank, is set to transparent water tank
The horizontal movement rail system at top, the vertical and straight movement rail system is identical with the structure of horizontal movement rail system, erects
Straight tracks system includes servo motor, pedestal A, pedestal B, belt pulley A, belt pulley B, Mobile base and is fixed on pedestal A
Guide rail between pedestal B, is fixed with servo motor on pedestal A, and the output end of servo motor is connected with belt pulley A, on pedestal B
It is rotatably installed with belt pulley B, belt is installed between belt pulley A and belt pulley B, Mobile base is slidably mounted on guide rail and fixes
In on belt, being provided with three-way pipe on Mobile base, the pedestal B of the vertical and straight movement rail system is fixed on the bottom of transparent water tank
Portion, the pedestal A and pedestal B of the horizontal movement rail system are individually fixed in side before and after transparent water tank, two three-way pipes it
Between be connected with transparent hose, on transparent hose and arranged for interval has multiple foam blocks along its length, is arranged on transparent hose
There is acceleration transducer；
It further includes control cabinet, computer, air compressor machine, pressure regulator valve, water tank, flowmeter and water pump, the water pump
Water sucking mouth is connected to transparent water tank, and pressure regulation is connected between the output end and the three-way pipe of vertical and straight movement rail system of air compressor machine
Valve is connected with flowmeter between the arrival end and the three-way pipe of horizontal movement rail system of water tank；The control cabinet and meter
Calculation machine, pressure regulator valve, flowmeter, acceleration transducer are connected with servo motor.
Belt channel, fixed plate and the orbit hole for installing guide rail are provided on the Mobile base, belt runs through skin
It tape channel and is fixed with fixed plate via pins.
It is provided with supporting rod between the Mobile base and three-way pipe.
The water pump is set to transparent water tank bottom.
The pressure regulator valve, flowmeter are connected by signal wire with servo motor.
The air compressor machine is connect by tracheae with the three-way pipe of vertical and straight movement rail system.
Open up fluted in the pedestal B, belt pulley B rotation is installed in groove.
The device carries out the experimental method of deep water production riser multiphase flow vibration, it includes the following steps：
S1, using transparent hose simulated production standpipe, the size and internal flow fluidised form of production riser in contrived experiment
And the production status of institute's simulated production standpipe；Buoyant mass is simulated using foam block；
The servo motor that S2, computer control vertical and straight movement rail system and horizontal movement rail system through control cabinet is done just
Reversion, production riser bottom and top are respectively moved to test required position；
S3, the data of the acceleration transducer on flowmeter, pressure regulator valve and production riser are subjected to return-to-zero；
S4, start water pump and air compressor machine, form bubble flow inside production riser, by adjusting pump power and pressure regulator valve
The size that throttles is to form stable fluidised form；
S5, after bubble flow stabilization after, acceleration transducer measure production riser vibration parameters, while utilize flow measurement
Gas flow and fluid flow are determined to calculate bubble flow parameter, acceleration transducer and flowmeter by the data respectively acquired through control
Case processed passes to computer；
S6, gradually increase gas flow, sequentially form slug flow, annular flow and mist flow, wait for each fluid stable it
Afterwards, the vibration parameters of production riser under each stabilization of fluidized are measured by acceleration transducer, while measuring gas using flowmeter
Body flow and fluid flow are to calculate corresponding multiphase flow parameter, acceleration transducer and flowmeter by each comfortable corresponding multiphase flow shape
The data acquired under state pass to computer through control cabinet；
S7, by model analysis, carry out data processing, the vibration for obtaining the production riser under different multiphase stream modes is special
Property, to realize the experiment of deep water production riser multiphase flow vibration.
The present invention has the following advantages：Structure of the invention is compact, gathered data precision is high, standpipe can be in different location state
The lower different multiphase flow vibration experiments, easy to operate of carrying out.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of vertical and straight movement rail system；
Fig. 3 is the scheme of installation of Mobile base and three-way pipe；
Fig. 4 is the scheme of installation of pedestal B and belt pulley B；
Fig. 5 is the portions the I partial enlarged view of Fig. 1；
In figure, 1- transparent water tanks, 2- transparent hoses, 3- vertical and straight movement rail systems, 4- horizontal movement rail systems, 5- watches
Take motor, 6- pedestals A, 7- pedestal B, 8- belt pulley A, 9- belt pulley B, 10- Mobile base, 11- guide rails, 12- belts, 13- threeways
Pipe, 14- foam blocks, 15- control cabinets, 16- computers, 17- air compressor machines, 18- pressure regulator valves, 19- water tanks, 20- flowmeters, 21-
Water pump, 22- belts channel, 23- fixed plates, 24- orbit holes, 25- supporting rods, 26- signal wires, 27- tracheaes, 28- grooves.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, and protection scope of the present invention is not limited to as described below：
As shown in Fig. 1 ~ 5, a kind of deep water production riser multiphase flow vibration testing device, it includes transparent water tank 1, transparent soft
Pipe 2, the vertical and straight movement rail system 3 being set in transparent water tank 1, the horizontal movement track system for being set to 1 top of transparent water tank
System 4, the water of dress certain depth is used for simulating ocean environment in transparent water tank 1, and transparent water tank 1 is primarily to facilitate in observation tube
Fluidised form and facilitate observation 2 Vibration Condition of transparent hose；The transparent hose 1 is calculated by the theory of similarity, can generate with
The consistent deformation of flexible production standpipe.The vertical and straight movement rail system 3 is identical with the structure of horizontal movement rail system 4,
Vertical and straight movement rail system 3 includes servo motor 5, pedestal A6, pedestal B7, belt pulley A8, belt pulley B9, Mobile base 10 and consolidates
Due to being fixed with servo motor 5 on the guide rail 11 between pedestal A6 and pedestal B7, pedestal A6, the output end of servo motor 5 connects
There is belt pulley A8, belt pulley B9 is rotatably installed on pedestal B7, belt 12 is installed between belt pulley A8 and belt pulley B9, it is mobile
Seat 10 is slidably mounted on guide rail 11 and is fixed on belt 12, be provided on Mobile base 10 in the present embodiment belt channel 22,
Fixed plate 23 and orbit hole 24 for installing guide rail 11, belt 12 are through belt channel 22 and solid with 23 via pins of fixed plate
It is fixed.
As depicted in figs. 1 and 2, it is provided with three-way pipe 13 on Mobile base 10, is provided between Mobile base 10 and three-way pipe 13
The pedestal B7 of supporting rod 25, the vertical and straight movement rail system 3 is fixed on the bottom of transparent water tank 1, the horizontal movement
The pedestal A6 and pedestal B7 of rail system 4 are individually fixed in side before and after transparent water tank 1, are connected between two three-way pipes 13 transparent
Hose 2, on transparent hose 2 and arranged for interval has multiple foam blocks 14 along its length, and acceleration is provided on transparent hose 2
Sensor, acceleration transducer can acquire the vibration parameters of transparent hose 2.
As shown in Figure 1, it further includes control cabinet 15, computer 16, air compressor machine 17, pressure regulator valve 18, water tank 19, flowmeter
20 and water pump 21, the water pump 21 be set to 1 bottom of transparent water tank, the water sucking mouth of water pump 21 is connected to transparent water tank 1, pneumatics
Pressure regulator valve 18, the arrival end of water tank 19 are connected between the output end of machine 17 and the three-way pipe 13 of vertical and straight movement rail system 3
Flowmeter 20 is connected between the three-way pipe 13 of horizontal movement rail system 4, flowmeter 20 can survey the gas stream of outlet
Amount and fluid flow；The control cabinet 15 and computer 16, pressure regulator valve 18, flowmeter 20, acceleration transducer and servo electricity
Machine 5 connects, and computer 16 changes 12 movement velocity of belt and move distance by 5 rotating speed of control servomotor, controls belt
12 positions.After the water pump 21 starts, the water in transparent water tank 1 can be made to enter in transparent hose 2 to simulate oil recovery process, led to
The power of water pump 21 is overregulated, water flow size can be controlled.Water in transparent hose 2 can be sequentially through horizontal movement track system
Three-way pipe 13, the flowmeter 20 of system 4, which enter in water tank 19, to be collected.
Pressure regulator valve 18, flowmeter 20 and the servo motor 5 is connected by signal wire 26；The air compressor machine 17 is logical
Tracheae 27 is crossed to connect with the three-way pipe 13 of vertical and straight movement rail system 3；Fluted 28 are opened up in the pedestal B7, belt pulley B9
Rotation is installed in groove 28.The simulation of multiphase flow：Start air compressor machine 17, the air of 17 output of air compressor machine is entered by tracheae 27
In production riser, gas is mixed into production riser with the liquid in standpipe by the three-way pipe 13 of vertical and straight movement rail system 3,
And then multiphase flow is formed, then the throttling size by adjusting 21 power of water pump and pressure regulator valve 18, ultimately form different fluidised forms
Multiphase flow, such as bubble stream, slug flow, annular flow, mist flow.
As shown in Figure 1, the device carries out the experimental method of deep water production riser multiphase flow vibration, it includes following step
Suddenly：
S1, using 2 simulated production standpipe of transparent hose, the size and internal flow fluidised form of production riser in contrived experiment
And the production status of institute's simulated production standpipe；Buoyant mass is simulated using foam block 14；
S2, computer 16 control the servo electricity of vertical and straight movement rail system 3 and horizontal movement rail system 4 through control cabinet 15
Machine 5 does positive and negative rotation, and servo motor 5 drives belt pulley A8 rotations, belt pulley A8 to drive belt pulley B9 to rotate through belt 12, belt 12
It drives Mobile base 10 to be moved along guide rail 11, production riser bottom and top is respectively moved to test required position；It therefore can
Arbitrarily to change the position of production riser；
S3, the data of the acceleration transducer on flowmeter 20, pressure regulator valve 18 and production riser are subjected to return-to-zero；
S4, start water pump 21 and air compressor machine 17, form bubble flow inside production riser, by adjust 21 power of water pump and
Pressure regulator valve 18 throttles size to form stable fluidised form；
S5, after bubble flow stabilization after, acceleration transducer measure production riser vibration parameters, while utilize flowmeter 20
Gas flow and fluid flow are measured to calculate bubble flow parameter, the data that acceleration transducer and flowmeter 20 will be acquired respectively
Computer 16 is passed to through control cabinet 15；
S6, gradually increase gas flow, sequentially form slug flow, annular flow and mist flow, wait for each fluid stable it
Afterwards, the vibration parameters of production riser under each stabilization of fluidized are measured by acceleration transducer, while being measured using flowmeter 20
Gas flow and fluid flow are to calculate corresponding multiphase flow parameter, acceleration transducer and flowmeter 20 by the corresponding multiphase of each leisure
The data acquired under stream mode pass to computer 16 through control cabinet 15；
S7, by model analysis, carry out data processing, the vibration for obtaining the production riser under different multiphase stream modes is special
Property, to realize the experiment of deep water production riser multiphase flow vibration.Therefore this experimental provision standpipe can be in different location state
It is lower to carry out different multiphase flow vibration experiments.
Claims (7)
1. a kind of deep water production riser multiphase flow vibration testing device, it is characterised in that：It includes transparent water tank（1）, it is transparent soft
Pipe（2）, be set to transparent water tank（1）Interior vertical and straight movement rail system（3）, be set to transparent water tank（1）The horizontal fortune at top
Dynamic rail system（4）, the vertical and straight movement rail system（3）With horizontal movement rail system（4）Structure it is identical, it is vertical to transport
Dynamic rail system（3）Including servo motor（5）, pedestal A（6）, pedestal B（7）, belt pulley A（8）, belt pulley B（9）, Mobile base
（10）And it is fixed on pedestal A（6）With pedestal B（7）Between guide rail（11）, pedestal A（6）On be fixed with servo motor（5）, watch
Take motor（5）Output end be connected with belt pulley A（8）, pedestal B（7）On be rotatably installed with belt pulley B（9）, belt pulley A（8）With
Belt pulley B（9）Between belt is installed（12）, Mobile base（10）It is slidably mounted on guide rail（11）Above and it is fixed on belt（12）
On, Mobile base（10）On be provided with three-way pipe（13）, the vertical and straight movement rail system（3）Pedestal B（7）It is fixed on transparent
Water tank（1）Bottom, the horizontal movement rail system（4）Pedestal A（6）With pedestal B（7）It is individually fixed in transparent water tank
（1）Front and back side, two three-way pipes（13）Between be connected with transparent hose（2）, transparent hose（2）It is spaced above and along its length
It is disposed with multiple foam blocks（14）, transparent hose（2）On be provided with acceleration transducer；
It further includes control cabinet（15）, computer（16）, air compressor machine（17）, pressure regulator valve（18）, water tank（19）, flowmeter（20）
And water pump（21）, the water pump（21）Water sucking mouth and transparent water tank（1）Connection, air compressor machine（17）Output end and vertical fortune
Dynamic rail system（3）Three-way pipe（13）Between be connected with pressure regulator valve（18）, water tank（19）Arrival end and horizontal movement rail
Road system（4）Three-way pipe（13）Between be connected with flowmeter（20）；The control cabinet（15）With computer（16）, pressure regulator valve
（18）, flowmeter（20）, acceleration transducer and servo motor（5）Connection.
2. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Mobile base（10）On be provided with belt channel（22）, fixed plate（23）With for installing guide rail（11）Orbit hole（24）, belt
（12）Through belt channel（22）And and fixed plate（23）Via pins are fixed.
3. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Mobile base（10）With three-way pipe（13）Between be provided with supporting rod（25）.
4. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Water pump（21）It is set to transparent water tank（1）Bottom.
5. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Pressure regulator valve（18）, flowmeter（20）And servo motor（5）Pass through signal wire（26）With control cabinet（15）Connection.
6. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Air compressor machine（17）Pass through tracheae（27）With vertical and straight movement rail system（3）Three-way pipe（13）Connection.
7. a kind of deep water production riser multiphase flow vibration testing device according to claim 1, it is characterised in that：Described
Pedestal B（7）It inside opens up fluted（28）, belt pulley B（9）Rotation is installed on groove（28）It is interior.
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| CN201611088660.5A CN106441766B (en) | 2016-12-01 | 2016-12-01 | A kind of deep water production riser multiphase flow vibration testing device and method |
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| CN201611088660.5A CN106441766B (en) | 2016-12-01 | 2016-12-01 | A kind of deep water production riser multiphase flow vibration testing device and method |
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| CN108344389B (en) * | 2018-04-26 | 2023-08-22 | 长沙矿山研究院有限责任公司 | Experimental device and experimental method for space configuration of deep sea mining conveying hose |
| CN109282975B (en) * | 2018-08-16 | 2020-04-14 | 东北石油大学 | Two-phase flow induced pipe column vibration and axial force transmission simulation system |
| CN109253857B (en) * | 2018-10-12 | 2019-08-06 | 山东科技大学 | The experimental provision of mine operation is raised in a kind of simulation deep-sea mining |
| CN113237617B (en) * | 2021-04-08 | 2023-01-17 | 天津大学 | Underwater shell modal test device considering internal flow field and pressure influence thereof |
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| GB0905375D0 (en) * | 2009-03-28 | 2009-05-13 | Univ Cranfield | Method, controller and system for controlling the slug flow of a multiphase fluid |
| CN103292970B (en) * | 2013-05-09 | 2015-05-13 | 西南石油大学 | Marine riser vibration characteristic simulation test device under deepwater well drilling working condition and test method |
| CN104931501B (en) * | 2015-06-19 | 2017-06-27 | 西南石油大学 | A kind of experimental provision and method for monitoring slug flow and its induction compliant riser vibration |
| CN105157943B (en) * | 2015-10-22 | 2017-06-27 | 西南石油大学 | A kind of suspension compliant riser vortex-induced vibration method of testing based on open channel experimental trough |
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