CN110056782A - The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling - Google Patents
The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling Download PDFInfo
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- CN110056782A CN110056782A CN201910282576.4A CN201910282576A CN110056782A CN 110056782 A CN110056782 A CN 110056782A CN 201910282576 A CN201910282576 A CN 201910282576A CN 110056782 A CN110056782 A CN 110056782A
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- Prior art keywords
- water tank
- experimental water
- wave
- experimental
- pressure sensor
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of rollings to make the experimental provision that wave influences underwater gas oil pipe leakage consequence, with the Experimental Water Tank for containing experimental water, Experimental Water Tank is externally provided with data collector, the PC terminal being electrically connected with data collector and the high-speed camera for shooting experimentation, experiment pipeline section is equipped in Experimental Water Tank, the rotation of experiment pipeline section one end is equipped with the wave paddle for making water body form artificial wave, it tests to be spaced apart on pipeline section and is equipped with instrument connection, the first pressure sensor of acquisition gas leakage instantaneous pressure data is installed at instrument connection, foil gauge is equipped with above Experimental Water Tank, the second pressure sensor of the acquisition underwater incoming-flow pressure data of different height is equipped in Experimental Water Tank, first pressure sensor, second pressure sensor and the equal connection data collector of foil gauge.The present invention simulates underwater environment, simulation reduction degree with higher, simple for structure, strong operability when testing for underwater monitoring leak from oil gas pipe.
Description
Technical field
The present invention relates to underwater gas transportation pipeline technical field, after especially a kind of rolling makes wave to underwater gas oil pipe leakage
The experimental provision that fruit influences.
Background technique
Since land resource is increasingly exhausted, people start sight being transferred to ocean, continue to increase dynamics to offshore oil and gas
Field is developed, and has played extremely important effect to this underwater pipeline.But pipeline will receive inside and outside in the process of running
The influence of many factors such as burn into stress corrosion cracking (SCC), mechanical damage, manufacturing deficiency, fault of construction, external force, natural calamity, from
And perforation or fracture are generated, once leaking, this not only causes damages to the lives and properties of people, also generates to ambient enviroment
Serious pollution.
The simulation that maritime environment is realized in experiment pond is the experimental study risen as ocean development is applied
Technology, in addition to distinguished and admirable and ocean current simulation, the simulation of wave is also particularly important.For oil caused by submarine pipeline failure
Gas leakage problem, crude oil leakage can cause serious environmental hazard and this harm often has chronicity, natural gas leaking
It then will affect the stability of offshore structures and cause fire explosion, need rational to have accordingly and targetedly answer countermeasure
Slightly, be conducive to delimit safe distance in accident rescue rescue operations, determine danger zone radius, by accident cause fire or
Explosion hazard is preferably minimized.Therefore, leakage detection method promptly and accurately and the underwater Release and dispersion rule of grasp and leakage punching
Necessary theoretical direction can be provided for emergency policy formulation live after pipe leakage and reduce leakage to ring by hitting deviation post
The extent of damage in border.Due to the particularity of underwater gas transportation pipeline local environment, based on oil-gas pipeline in field experiment research ocean
Release and dispersion rule difficulty is quite big.The experimental provision that simulated waves influence leakage of underwater pipeline consequence at present is less, therefore studies
Wave has a very important significance the influence of underwater gas oil pipe leakage consequence.
Summary of the invention
The technical problem to be solved by the present invention is the present invention provides a kind of rolling in order to overcome the deficiencies in the existing technology
The experimental provision that wave influences underwater gas oil pipe leakage consequence is made, which realizes preferably reduction underwater environment pair
The simulation of gas oil pipe leakage.To solve the problems, such as that underwater gas oil pipe leakage consequence monitoring is difficult under wave action.
The technical solution adopted by the present invention to solve the technical problems is: a kind of rolling makes wave to underwater gas oil pipe leakage
The experimental provision that consequence influences, has the Experimental Water Tank for being loaded with experimental water, and Experimental Water Tank is externally provided with data collector and number
According to the PC terminal of collector electrical connection and the high-speed camera for shooting experimentation, it is equipped in the Experimental Water Tank real
Pipeline section is tested, the rotation of experiment pipeline section one end is equipped with the wave paddle for making water body form artificial wave and impact experiment pipeline section, tests pipeline section
It is upper to be spaced apart the instrument connection for being equipped with controllable opening and closing, gas leakage instantaneous pressure number in collecting test hole is installed at the instrument connection
According to first pressure sensor, foil gauge is equipped with above Experimental Water Tank, tests and is equipped with acquisition in the Experimental Water Tank of the pipeline section other end
The second pressure sensor of the underwater incoming-flow pressure data of different height, the first pressure sensor, second pressure sensor and
The equal connection data collector of foil gauge.
Further, to realize wave paddle rotation, side sheet room is equipped with shaft before and after the Experimental Water Tank, fixes in shaft
There is roller, circumferentially uniformly there are four wave paddles along roller.
For the Release and dispersion situation convenient for testing underwater different depth, the Experimental Water Tank is interior to be apart equipped with a pair of of support
Bracket, supporting support include the pedestal that liftable is adjusted and the arc-shaped bracket being fixed on the base, and experiment tube segment frame is located at arc
On bracket.
For the ease of acquiring the pressure data of the underwater incoming flow of different height, the Experimental Water Tank is interior to be equipped with support stand,
Support stand includes the pedestal fixed with Experimental Water Tank, is connected to the strut that liftable is adjusted on pedestal, and interval is uniform on strut
There are three second pressure sensors for ground installation.
Preferably, the foil gauge is affixed on the one piece of transparent cover plate covered above Experimental Water Tank along experiment pipeline section direction
On.
The beneficial effects of the present invention are: the present invention rotates manufacture of intraocular wave by wave paddle, to simulate real Wave
Influence to the diffusion of underwater gas oil pipe leakage acquires gas leakage wink by being installed in the first pressure sensor at leakage hole
Between pressure data, second pressure sensor acquire different depth underwater environment pressure data, whole experiment process is by height
Fast photographic apparatus carries out shooting record, and is transferred to the storage analysis of PC terminal, and simple for structure, reduction degree is high, and strong operability has
Good promotion prospect.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is Experimental Water Tank inner mounting structure schematic diagram of the present invention.
In figure: 1. Experimental Water Tanks, 2. experiment pipeline sections, 3. supporting supports, 4. instrument connections, 5. wave paddles, 6. rollers, 7. turns
Axis, 8. bearings, 9. shaft couplings, 10. motors, 11. high-speed cameras, 12. first pressure sensors, 13. foil gauges, 14. second
Pressure sensor, 15. cover boards, 16. support stand, 17. data collector, 18.PC terminal
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling as shown in Figure 1 and Figure 2, has
It is loaded with the Experimental Water Tank 1 of experimental water, Experimental Water Tank 1 is to be made of transparent plexiglass plate, passes through acrylic glue, pin
The cuboid open-top receptacle connected into.
Left end is equipped with wave simulator in Experimental Water Tank 1, and the wave simulator includes roller 6, wave paddle 5 and motor
10,1 front and back side sheet room of Experimental Water Tank is equipped with shaft 7, and roller 6 is fixed in shaft 7, and shaft 7 passes through 6 frame of roller in Experimental Water Tank
On the fixed bearing 8 in 1 two sides, motor 10 is sequentially connected by shaft coupling 9 and shaft 7, and along roller 6, circumferential uniformly distributed there are four make wave
Plate 5 is rotated by motor 10 and the wave paddle 5 on roller 6 is driven to rotate, make water body state in Experimental Water Tank 1 generate variation from
And wave is generated, it is moved for wave simulated, ocean current.
At a distance of a pair of of supporting support 3 is equipped in the Experimental Water Tank 1, supporting support 3 includes the pedestal that liftable is adjusted
With the arc-shaped bracket being fixed on the base, experiment tube section 2 is provided on arc-shaped bracket, experiment pipeline section 2 is axially perpendicular to artificial wave
Unrestrained direction of advance and the impact by artificial wave.
Three instrument connections 4 for being equipped with controllable opening and closing are spaced apart on experiment pipeline section 2, the instrument connection 4 is equipped with solely
Vertical valve control switch is equipped at each instrument connection 4 and acquires first of gas leakage instantaneous pressure data at the instrument connection 4
Pressure sensor 12.
Be equipped with support stand 16 in the Experimental Water Tank 1, support stand 16 include the pedestal fixed with Experimental Water Tank 1,
It is connected to the strut that liftable is adjusted on pedestal, there are three second pressure sensors 14 for installation evenly and at intervals on strut, to adopt
Collect the underwater incoming-flow pressure data of different height.
It is stamped one piece of transparent cover plate 15 above Experimental Water Tank 1, is posted on transparent cover plate 15 along experiment 2 axis direction of pipeline section
One foil gauge 13,13 length of foil gauge are corresponding with experiment 2 length of pipeline section.
Experimental Water Tank 1 is externally provided with data collector 17, is electrically connected with data collector 17 PC terminal 18 and for clapping
The high-speed camera 11 of experimentation is taken the photograph, high-speed camera 11 is connected with control operation panel and connect with 18 signal of PC terminal, institute
State first pressure sensor 12, second pressure sensor 14 and the equal connection data collector 17 of foil gauge 13.
Experimentation has following steps:
1, the installation of wave simulator is completed；
2, fixed support stand 16, installs three second pressure sensors 14；
3, the air-tightness of test experience pipeline section 2 and Experimental Water Tank 1 prevents gas leakage leak；
4,2/3 water is contained in Experimental Water Tank 1；
5, first pressure sensor 12 is installed at instrument connection 4, closes instrument connection 4, and it will be real after the completion of inflation (or oil)
Pipeline section 2 is tested to be put into Experimental Water Tank 1；
6, foil gauge 13 is affixed on transparent cover plate 15, is covered on Experimental Water Tank 1, and foil gauge 13 is along experiment pipeline section 2
Axis direction consistency from top to bottom；
7, high-speed camera 11, first pressure sensor 12 and second pressure sensor 14 are opened；
8, starting motor 10 rotates, and the rotation of wave paddle 5 is driven to start manufacture of intraocular wave；
9, it pulls the rope at connecting test hole 4 that valve switch is driven to open, makes to test in pipeline section 2 gas from instrument connection 4
Leakage；
10, the video data and wave size data recorded high-speed camera 11 sorts out record.
Pressure data can be collected from foil gauge 13 by the above experimental procedure, obtain gas leakage surge offset
Position, can accurately simulate submarine pipeline in reality is influenced by wave.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. the experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling, there is the reality for being loaded with experimental water
It tests water tank (1), the PC terminal (18) that Experimental Water Tank (1) is externally provided with data collector (17), is electrically connected with data collector (17)
And the high-speed camera (11) for shooting experimentation, it is characterized in that: being equipped with experiment pipeline section in the Experimental Water Tank (1)
(2), the rotation of experiment pipeline section (2) one end is equipped with the wave paddle (5) for making water body form artificial wave and impact experiment pipeline section (2), real
The instrument connection (4) for being spaced apart on pipeline section (2) and being equipped with controllable opening and closing is tested, collecting test hole (4) are installed at the instrument connection (4)
Gas leaks the first pressure sensor (12) of instantaneous pressure data, is equipped with foil gauge (13) above Experimental Water Tank (1), experiment tube
The second pressure sensor of the acquisition underwater incoming-flow pressure data of different height is equipped in the Experimental Water Tank (1) of section (2) other end
(14), the first pressure sensor (12), second pressure sensor (14) and foil gauge (13) connection data acquisition
Device (17).
2. as described in claim 1 roll makes the experimental provision that wave influences underwater gas oil pipe leakage consequence, it is characterized in that:
Side sheet room is equipped with shaft (7) before and after the Experimental Water Tank (1), is fixed with roller (6) in shaft (7), circumferential along roller (6)
There are four wave paddle (5) for cloth.
3. as described in claim 1 roll makes the experimental provision that wave influences underwater gas oil pipe leakage consequence, it is characterized in that:
At a distance of being equipped with a pair of of supporting support (3) in the Experimental Water Tank (1), supporting support (3) include the pedestal that liftable is adjusted and
The arc-shaped bracket being fixed on the base, experiment pipeline section (2) are erected on arc-shaped bracket.7
4. as described in claim 1 roll makes the experimental provision that wave influences underwater gas oil pipe leakage consequence, it is characterized in that:
Be equipped with support stand (16) in the Experimental Water Tank (1), support stand (16) include the pedestal fixed with Experimental Water Tank (1),
It is connected to the strut that liftable is adjusted on pedestal, there are three second pressure sensor (14) for installation evenly and at intervals on strut.
5. as described in claim 1 roll makes the experimental provision that wave influences underwater gas oil pipe leakage consequence, it is characterized in that:
The foil gauge (13) is affixed on the one piece of transparent cover plate (15) covered above Experimental Water Tank (1) along experiment pipeline section (2) direction
On.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282576.4A CN110056782A (en) | 2019-04-10 | 2019-04-10 | The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910282576.4A CN110056782A (en) | 2019-04-10 | 2019-04-10 | The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling |
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| Publication Number | Publication Date |
|---|---|
| CN110056782A true CN110056782A (en) | 2019-07-26 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910282576.4A Pending CN110056782A (en) | 2019-04-10 | 2019-04-10 | The experimental provision that wave influences underwater gas oil pipe leakage consequence is made in a kind of rolling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495651A (en) * | 2022-01-29 | 2022-05-13 | 台州学院 | Internal wave experimental device |
Citations (6)
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|---|---|---|---|---|
| JPH1114492A (en) * | 1997-06-23 | 1999-01-22 | Mitsui Eng & Shipbuild Co Ltd | Method for inspecting leakage of city water network |
| CN102322570A (en) * | 2011-10-09 | 2012-01-18 | 中国计量学院 | Underwater gas transportation pipeline leakage detection experiment platform |
| CN206804274U (en) * | 2017-06-13 | 2017-12-26 | 湖南科技大学 | Flume wave creator |
| CN107588331A (en) * | 2017-09-13 | 2018-01-16 | 浙江工业大学 | A kind of multifunctional pipe leakage monitoring experiment porch |
| CN108051148A (en) * | 2018-01-16 | 2018-05-18 | 常州大学 | The experimental provision and method of the porous leakage monitoring of underwater gas transportation pipeline |
| CN108458848A (en) * | 2018-03-20 | 2018-08-28 | 常州大学 | Simulations of Water Waves Due To Landslides is to submarine pipeline shock simulation experimental provision and method |
-
2019
- 2019-04-10 CN CN201910282576.4A patent/CN110056782A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1114492A (en) * | 1997-06-23 | 1999-01-22 | Mitsui Eng & Shipbuild Co Ltd | Method for inspecting leakage of city water network |
| CN102322570A (en) * | 2011-10-09 | 2012-01-18 | 中国计量学院 | Underwater gas transportation pipeline leakage detection experiment platform |
| CN206804274U (en) * | 2017-06-13 | 2017-12-26 | 湖南科技大学 | Flume wave creator |
| CN107588331A (en) * | 2017-09-13 | 2018-01-16 | 浙江工业大学 | A kind of multifunctional pipe leakage monitoring experiment porch |
| CN108051148A (en) * | 2018-01-16 | 2018-05-18 | 常州大学 | The experimental provision and method of the porous leakage monitoring of underwater gas transportation pipeline |
| CN108458848A (en) * | 2018-03-20 | 2018-08-28 | 常州大学 | Simulations of Water Waves Due To Landslides is to submarine pipeline shock simulation experimental provision and method |
Non-Patent Citations (1)
| Title |
|---|
| 四川省建筑科学研究所编: "《电阻应变测试技术》", 30 June 1983, 中国建筑工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114495651A (en) * | 2022-01-29 | 2022-05-13 | 台州学院 | Internal wave experimental device |
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