CN207832394U - The experimental provision of the porous leakage monitoring of underwater gas transportation pipeline - Google Patents
The experimental provision of the porous leakage monitoring of underwater gas transportation pipeline Download PDFInfo
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- CN207832394U CN207832394U CN201820071063.XU CN201820071063U CN207832394U CN 207832394 U CN207832394 U CN 207832394U CN 201820071063 U CN201820071063 U CN 201820071063U CN 207832394 U CN207832394 U CN 207832394U
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Abstract
The utility model is related to pipe leakage technical field of experiment equipment, more particularly to a kind of experimental provision of the porous leakage monitoring of underwater gas transportation pipeline, the characteristic that can be under water leaked by opening different leakage holes (test stomata) different leakage holes of monitoring, the utility model by adjusting supporting support height and make experiment pipeline section be rotated about its center axis to monitor leakage characteristics of the leakage hole in different water depth of pipeline section different location, the entire experimental provision of the utility model is succinct, reduction degree is high, operability is strong, has good promotion prospect.
Description
Technical field
The utility model is related to pipe leakage technical field of experiment equipment more particularly to a kind of underwater gas transportation pipeline is porous lets out
Leak the experimental provision of monitoring.
Background technology
Pipeline transportation natural gas has many advantages, such as：(1) freight volume is big；(2) take up an area few；(3) the pipeline transportation construction period
It is short, expense is low；(4) pipeline transportation is safe and reliable, continuity is strong；(5) pipeline transportation consumes energy less, is at low cost, profitable.Therefore exist
The extensive use of gas transmission field.
Currently, the gas pipeline of China river crossing accounts for sizable ratio in engineering in pipeline, and build in
Before more than 30 years, since historical reasons designing technique at that time, construction level are not very high, electrochemical corrosion, geology in addition
Sedimentation, river water reasons, the parameters of natural gas pipe leakage accident such as wash away and happen occasionally.In addition, natural gas has toxicity and inflammable
Explosive equal hazard properties can not only cause environment once leaking, the malignant events such as pole fire hazardous, explosion, poisoning
Pollution also causes great threat to public safety.But underwater gas transportation pipeline leakage is difficult to detect and not easy to repair, at present simulation water
The experimental provision of lower pipe leakage is less, therefore studies leakage of underwater pipeline and have a very important significance.
Utility model content
The technical problems to be solved in the utility model is：In order to study existing underwater gas transportation pipeline leakage problem, this practicality
A kind of experimental provision of the porous leakage monitoring of novel underwater gas transportation pipeline of offer, to solve, submarine pipeline under different situations is porous to be let out
The difficult problem of leakage monitoring.
Technical solution adopted by the utility model to solve its technical problems is：A kind of porous leakage prison of underwater gas transportation pipeline
The experimental provision of survey, including nitrogen cylinder, volume flowmeter, Experimental Water Tank, experiment pipeline section and high-speed camera, the experiment tube
It is provided with a plurality of air holes in section, any of described stomata stomata is air-filled pore, remaining stomata is test stomata, is tested on pipeline section
Air-filled pore be connected by pipeline with nitrogen cylinder, pipeline is equipped with the pressure reducing valve for control pressure and body for flow monitoring
Product flowmeter tests the test stomata on pipeline section and is equipped with independent valve control switch, and the stomata of the experiment pipeline section is equal
There is good leakproofness when closing, the nitrogen of different pressures can be filled with, test in pipeline section and be positioned over experiment after gassy
In water tank, the high-speed camera is arranged outside Experimental Water Tank, and the leakage situation of whole process shooting record experiment pipeline section is taken the photograph at a high speed
Shadow instrument is connected with control operation panel, and high-speed camera is connected with PC terminal signalings.
For the ease of testing the leakage situation of underwater different depth, a pair of of support branch is additionally provided in the Experimental Water Tank
Frame, experiment pipeline section are erected in a pair of of supporting support, and supporting support includes pedestal and arc-shaped bracket, and arc-shaped bracket and pedestal are fixed
Connection, arc-shaped bracket are supported on the bottom of experiment pipeline section, and pedestal can oscilaltion.
In order to being convenient for experiment of rotation pipeline section, test the leakage situation of different angle, the radian of the arc-shaped bracket and
The radian of experiment pipe section exterior matches.
Further, specifically, the Experimental Water Tank is fixed by transparent organic glass plate using acrylic adhesive, pin
It is made, Experimental Water Tank is long 2.40m, wide 1.20m, high 0.60m, the cuboid of no ceiling.
Further, specifically, the experiment pipeline section diameter 0.06m, both ends sealing, tube wall are equipped with 4 stomatas, and stomata is equal
For diameter 8mm, tests on stomata and be respectively equipped with control valve, long rope is connected separately on valve can be with remote control.
Further, specifically, the high-speed camera is used for monitored over time and tests pipeline section by controlling operation panel control
The process of leakage, and the video data transmission being recorded to PC terminals is stored and is analyzed.
A kind of experimental method of the porous leakage monitoring of underwater gas transportation pipeline, use are as claimed in any one of claims 1 to 6
The experimental provision of the porous leakage monitoring of underwater gas transportation pipeline is tested, it is characterised in that：With following steps：
1) installation of submarine pipeline monitoring device is completed；
2) air-tightness of test experience pipeline section and Experimental Water Tank prevents gas leakage leak；
3) 2/3 water is contained in Experimental Water Tank；
4) test stomata is closed, the valve for opening nitrogen cylinder is filled with nitrogen through pressure reducing valve and volume flowmeter into experiment pipeline section
Gas passes through the pressure of the indirect experiment with computing pipeline section of the registration of volume flowmeter；
5) after the completion of, inflating, and experiment pipeline section is put into Experimental Water Tank；
6) the test stomata that high-speed camera focuses to experiment pipeline section, is opened；
7) rope of connecting test stomata valve, is pulled to drive valve switch that experiment pipeline section is made to leak；
8) video data and volume for, repeatedly 1) -7) different test stomatas being made to leak, and high-speed camera being recorded
The data on flows of flowmeter sorts out record.
The utility model has the beneficial effects that the experimental provision of the porous leakage monitoring of the underwater gas transportation pipeline of the utility model
And method,
1) characteristic that can be under water leaked by opening different leakage holes (test stomata) different leakage holes of monitoring.
2) the utility model by adjusting supporting support height and make the experiment pipeline section be rotated about its center axis to monitor
Leakage characteristics of the leakage hole of pipeline section different location in different water depth.
3) the entire experimental provision of the utility model is succinct, and reduction degree is high, and operability is strong, has good promotion prospect.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the principle schematic diagram of the Experimental Water Tank of the utility model.
In figure：1. 2. volume flowmeter of nitrogen cylinder, 3. Experimental Water Tank 4-1. air-filled pores 4-2. test stomatas 5. support
Holder 6. tests 7. high-speed camera 8. of pipeline section control handle 9.PC terminals, 10. nitrogen bottle valve, 11. pressure reducing valve.
Specific implementation mode
The utility model is described in further detail presently in connection with attached drawing.These attached drawings are simplified schematic diagram,
Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As illustrated in fig. 1 and 2, the experimental provision of the porous leakage monitoring of a kind of underwater gas transportation pipeline, including nitrogen cylinder 1, volume
Flowmeter 2, Experimental Water Tank 3, experiment pipeline section 6 and high-speed camera 7, test and are provided with a plurality of air holes on pipeline section 6, any in stomata
A stomata is air-filled pore 4-1, remaining stomata is test stomata 4-2, and the air-filled pore 4-1 tested on pipeline section 6 passes through pipe with nitrogen cylinder 1
Road is connected, and pipeline is equipped with the volume flowmeter 2 for the pressure reducing valve 11 of control pressure and for flow monitoring, tests pipeline section 6
On test stomata 4-2 be equipped with independent valve control switch, the stomata of experiment pipeline section 6 has good sealing when being turned off
Property, it can be filled with the nitrogen of different pressures, test and be positioned in Experimental Water Tank 3 after gassy in pipeline section 6, high-speed camera 7
It is arranged outside Experimental Water Tank 3, the leakage situation of whole process shooting record experiment pipeline section, high-speed camera 7 is connected with control operation panel
8, high-speed camera 7 is connected with 9 signal of PC terminals.
A pair of of supporting support 5 is additionally provided in the Experimental Water Tank 3, experiment pipeline section 6 is erected in a pair of of supporting support 5,
Supporting support 5 includes pedestal and arc-shaped bracket, and arc-shaped bracket is fixedly connected with pedestal, and arc-shaped bracket is supported on experiment pipeline section 6
Bottom, pedestal can oscilaltions.The radian and the radian outside experiment pipeline section 6 of arc-shaped bracket match.
The Experimental Water Tank 3 is made by transparent organic glass plate using acrylic adhesive, pin fixation, is tested
Water tank 3 is long 2.40m, wide 1.20m, high 0.60m, the cuboid of no ceiling.
The 6 diameter 0.06m of experiment pipeline section, both ends sealing, tube wall are equipped with 4 stomatas, and stomata is diameter 8mm, is surveyed
Control valve is respectively equipped on the 4-2 of gas testing hole, long rope is connected separately on valve can be with remote control.High-speed camera 7 passes through
It controls operation panel 8 to control, is used for the process that monitored over time experiment pipeline section 6 leaks, and by the video data transmission being recorded to PC
The storage analysis of terminal 9.
A kind of experimental method of the porous leakage monitoring of underwater gas transportation pipeline, the porous leakage monitoring of the underwater gas transportation pipeline
Experimental provision tested, have following steps：
1) installation of submarine pipeline monitoring device is completed；
2) air-tightness of test experience pipeline section 6 and Experimental Water Tank 3 prevents gas leakage leak；
3) 2/3 water is contained in Experimental Water Tank 3；
4) test stomata 4-2 is closed, opens the valve of nitrogen cylinder 1 through pressure reducing valve 11 and volume flowmeter 2 to experiment pipeline section 6
It is inside filled with nitrogen (the specific pressure being filled with), passes through the pressure of the indirect experiment with computing pipeline section of the registration of volume flowmeter 26；
5) after the completion of, inflating, and experiment pipeline section 6 is put into Experimental Water Tank；
6) the test stomata 4-2 that high-speed camera focuses to experiment pipeline section 6, is opened；
7) rope of connecting test stomata 4-2 valves, is pulled to drive valve switch that experiment pipeline section 6 is made to leak；
8), repeat 1) -7) make different test stomata 4-2 leakages, and the video data and body that high-speed camera is recorded
The data on flows of product flowmeter sorts out record.
Nitrogen is filled with experiment pipeline section 6 by nitrogen cylinder 1 through pressure reducing valve 11 and volume flowmeter 2, pulls different test stomata 4-2
Valve on long rope make its leakage, while controlling high-speed camera 7 using control operation panel 8 and shooting note carried out to experimentation
Record, and the flow registration of the video information of shooting and volume flowmeter 2 is arranged to the ends PC 9 and is analyzed.
Design parameter selection such as following table：
Nitrogen cylinder 40L, the blowing pressure 13.5MPa in gas cylinder reduce pressure, can adjust pressure model by pressure reducing valve 11
0-2.5Mpa is enclosed, is filled with nitrogen to experiment pipeline section 6, the blowing pressure adjustable extent 0.5Mpa-2.5Mpa, experiment pipeline section 6 is adjustable
Altitude range 5-15CM (apart from basin bottom) is saved, when the depth of water is certain, can be realized real by adjusting supporting support 5
Test the change of the height and position under water of pipeline section 6,3 height 60CM of Experimental Water Tank.
The porous monitoring of leakage of underwater pipeline may be implemented in the experimental provision, by high-speed camera 7, tracks underwater experiment
The bubble uphill process of 6 gas of pipeline section leakage, to obtain the Diffusion Law of underwater gas leakage.Pipeline pressure 1MPa is selected,
Operating mode under tri- kinds of different pipeline pressures of 1.5Mpa, 2.0Mpa carries out experimental study.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model
Member can carry out various changes and amendments in the range of without departing from this item utility model technological thought completely.This item is real
It is not limited to the contents of the specification with novel technical scope, it is necessary to which its technology is determined according to right
Property range.
Claims (6)
1. a kind of experimental provision of the porous leakage monitoring of underwater gas transportation pipeline, it is characterised in that：Including nitrogen cylinder (1), volume flow
Gauge (2), Experimental Water Tank (3), experiment pipeline section (6) and high-speed camera (7),
It being provided with a plurality of air holes on the experiment pipeline section (6), any of described stomata stomata is air-filled pore (4-1), remaining
Stomata is test stomata (4-2), and the air-filled pore (4-1) on experiment pipeline section (6) is connected with nitrogen cylinder (1) by pipeline, on pipeline
Equipped with for control pressure pressure reducing valve (11) and for the volume flowmeter (2) of flow monitoring, the test on experiment pipeline section (6)
Stomata (4-2) is equipped with independent valve control switch, has when the stomata of the experiment pipeline section (6) is turned off good close
Feng Xing can be filled with the nitrogen of different pressures, be positioned in Experimental Water Tank (3) after testing pipeline section (6) interior gassy, described
High-speed camera (7) setting Experimental Water Tank (3) outside, whole process shooting record experiment pipeline section leakage situation, high-speed camera (7)
It is connected with control operation panel (8), high-speed camera (7) is connected with PC terminals (9) signal.
2. the experimental provision of the porous leakage monitoring of underwater gas transportation pipeline as described in claim 1, it is characterised in that：The experiment
A pair of of supporting support (5) is additionally provided in water tank (3), experiment pipeline section (6) is erected in a pair of of supporting support (5), supporting support
(5) include pedestal and arc-shaped bracket, arc-shaped bracket is fixedly connected with pedestal, and arc-shaped bracket is supported on the bottom of experiment pipeline section (6),
Pedestal can oscilaltion.
3. the experimental provision of the porous leakage monitoring of underwater gas transportation pipeline as claimed in claim 2, it is characterised in that：The arc
The radian that the radian and experiment pipeline section (6) of bracket are external matches.
4. the experimental provision of the porous leakage monitoring of underwater gas transportation pipeline as described in claim 1, it is characterised in that：The experiment
Water tank (3) is made by transparent organic glass plate using acrylic adhesive, pin fixation, and Experimental Water Tank (3) is length
2.40m, wide 1.20m, high 0.60m, the cuboid of no ceiling.
5. the experimental provision of the porous leakage monitoring of underwater gas transportation pipeline as described in claim 1, it is characterised in that：The experiment
Pipeline section (6) diameter 0.06m, both ends sealing, tube wall are equipped with 4 stomatas, and stomata is diameter 8mm, is divided on test stomata (4-2)
Not She You control valve, being connected separately with long rope on valve can be with remote control.
6. the experimental provision of the porous leakage monitoring of underwater gas transportation pipeline as described in claim 1, it is characterised in that：The height
Fast photographic apparatus (7) is controlled by controlling operation panel (8), is used for the process that monitored over time experiment pipeline section (6) leaks, and will be recorded
Video data transmission to PC terminals (9) store analyze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071063.XU CN207832394U (en) | 2018-01-16 | 2018-01-16 | The experimental provision of the porous leakage monitoring of underwater gas transportation pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820071063.XU CN207832394U (en) | 2018-01-16 | 2018-01-16 | The experimental provision of the porous leakage monitoring of underwater gas transportation pipeline |
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| CN207832394U true CN207832394U (en) | 2018-09-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109140249A (en) * | 2018-10-12 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of submerged structure gas leakage simulator |
| CN112344218A (en) * | 2020-11-04 | 2021-02-09 | 张俊明 | Leakage detection device for long-distance natural gas pipeline |
| CN112594558A (en) * | 2020-11-27 | 2021-04-02 | 江苏核电有限公司 | Method for positioning leakage point of inner pipe of long-distance double-layer pipe |
-
2018
- 2018-01-16 CN CN201820071063.XU patent/CN207832394U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109140249A (en) * | 2018-10-12 | 2019-01-04 | 中国海洋石油集团有限公司 | A kind of submerged structure gas leakage simulator |
| CN112344218A (en) * | 2020-11-04 | 2021-02-09 | 张俊明 | Leakage detection device for long-distance natural gas pipeline |
| CN112594558A (en) * | 2020-11-27 | 2021-04-02 | 江苏核电有限公司 | Method for positioning leakage point of inner pipe of long-distance double-layer pipe |
| CN112594558B (en) * | 2020-11-27 | 2022-01-07 | 江苏核电有限公司 | Method for positioning leakage point of inner pipe of long-distance double-layer pipe |
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