CN109541029A - A kind of experimental system of pressure wave method line clogging detection - Google Patents
A kind of experimental system of pressure wave method line clogging detection Download PDFInfo
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- CN109541029A CN109541029A CN201811627237.7A CN201811627237A CN109541029A CN 109541029 A CN109541029 A CN 109541029A CN 201811627237 A CN201811627237 A CN 201811627237A CN 109541029 A CN109541029 A CN 109541029A
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- pipeline
- main body
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- body pipeline
- line clogging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/01—Indexing codes associated with the measuring variable
- G01N2291/015—Attenuation, scattering
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Abstract
The invention discloses a kind of experimental systems of pressure wave method line clogging detection, belong to line clogging test experience technical field, including main body pipeline, gas flowmeter, gas flow control valve, vacuum tank, gas cylinders group, high-flow pressure reducing valve；It further include flow mixing device, fluid flowmeter, liquid flow control valve, water injecting pump connection, the water injecting pump also passes through pipeline and connect with water tank；Main body pipeline outer ring exit is connected with Y type branch pipe, is connected with solenoid valve in described one branch of Y type branch pipe, is connected with needle-valve in another branch；It is equipped with simulation blocking pipeline section between the main body pipeline, is connected with see-through section on the outer ring pipeline of main body pipeline.The present invention can be realized safe in laboratory conditions carry out pressure-wave emission characteristic test and different type blocking section jam detection experiment.
Description
Technical field
The present invention relates to line clogging test experience technical fields, and in particular to a kind of pressure wave method line clogging detection
Experimental system.
Background technique
With the in-depth that increasingly exhausted and petrol resources exploitation utilizes of global fossil energy, the mankind are to petroleum resources
Exploitation has gradually been transferred to ocean by land, and therefore, as most important oil-gas transportation mode, the mileage of submarine pipeline also constantly increases
Long, in the exploitation of marine oil and gas, the operation conditions of submarine pipeline is directly related to the safety of offshore oil and gas field, and pipeline is being transported
During row, it may be caused due to a variety of causes such as the accumulations of the solids such as paraffin, pitch, the generations of gas hydrates solid
Blocking.
After line clogging occurs, the detection of blocking position and chocking-up degree, timely de-plugging, to reduce blocking are fast implemented
Caused by economic loss become more more and more urgent demand at present.It is a kind of fast for carrying out detection to line clogging using pressure wave
Fast, effective and inexpensive method, principle are that pressure wave can reflect when encountering blocking, analyze its incidence wave and back wave
In effective information, the valuable informations such as blocking position and chocking-up degree can be obtained.But in fact, pressure wave is in oil-gas pipeline
In propagation characteristic, the especially research of the key parameters such as spread speed and attenuation coefficient is not also very mature, and pressure wave exists
Reflection characteristic when encountering the blocking of different type and shape is yet urgently studied, however is directly carried out on practical oil-gas pipeline
Experimental study is again excessively high and the problems such as be difficult to carry out there is production of hydrocarbons, cost is influenced, in addition, pressure wave jam detection is tested
It is required that pipeline has certain length and pressure, if the limitation of the conditions such as space is built and be frequently present of in laboratory.
Summary of the invention
To solve the deficiencies in the prior art, the present invention provides a kind of experiment system of pressure wave method line clogging detection
System can be realized safe in laboratory conditions carry out pressure-wave emission characteristic test and different type blocking section blocking
Test experience.
The present invention is that technical solution used by solving its technical problem is: a kind of reality of pressure wave method line clogging detection
Check system, including main body pipeline, the main body pipeline include multiple straight tubes and multiple bend pipes, are passed through between multiple straight tubes
Bend pipe is detachably connected, and constitutes helical structure, and the main body pipeline is horizontally placed on experimental bench；Main body pipeline inner ring inlet is logical
Piping is connect with gas flowmeter one end, the connecting pipe between main body pipeline inner ring inlet and gas flowmeter one end
It is equipped with gas flow control valve, the other end of the gas flowmeter is connect by pipeline with vacuum tank, and the vacuum tank is also
It is connect by pipeline with gas cylinders group, high-flow pressure reducing valve is equipped in the connecting pipe between vacuum tank and gas cylinders group；The master
On body pipeline inner ring pipeline, inlet side be equipped with flow mixing device, the flow mixing device is connect by pipeline with fluid flowmeter one end,
Liquid flow control valve is equipped in connecting pipe between flow mixing device and fluid flowmeter one end, the fluid flowmeter is another
End is connect by pipeline with water injecting pump, and the water injecting pump also passes through pipeline and connect with water tank；Main body pipeline outer ring exit
It is connected with Y type branch pipe, solenoid valve is connected in described one branch of Y type branch pipe, is connected with needle-valve in another branch；The master
Simulation blocking pipeline section is connected on body pipeline, the outer ring pipeline of main body pipeline is equipped with see-through section.
Further, it is connected with high frequency dynamic pressure transducer on the outer ring pipeline of the main body pipeline and static pressure passes
Sensor, the high frequency dynamic pressure transducer quantity are multiple；Temperature sensor is connected on the main body pipeline inner ring pipeline.
Further, static pressure is equipped in the connecting pipe between the gas flowmeter other end and vacuum tank to sense
Device；Static pressure sensor is equipped in connecting pipe between the fluid flowmeter other end and water injecting pump.
Further, the length and radius of curvature of multiple bend pipes are all the same, quick by screw thread flat seal
Connector is connect with straight tube.
Further, the gas cylinders group includes several nitrogen gas cylinders parallel with one another or several air parallel with one another
Gas cylinder, the material of the vacuum tank are low-alloy steel, and the gas flowmeter uses thermal gas flowmeter, the gas flow
Control valve uses manually gate valve.
Further, the water tank material is polymer material, and the water injecting pump uses Quimby pump, the fluid flow
Meter uses electromagnetic flowmeter, and the liquid flow control valve uses manually gate valve.
Further, the high frequency dynamic pressure transducer is connect by crossover sub with the outer ring pipeline of main body pipeline,
The crossover sub material is polyetheretherketonematerials materials；The high frequency dynamic pressure transducer uses piezoelectric quartz dynamic pressure sensing
Device, outside be equipped with metal casing.
Further, the see-through section material is transparent pressure-resistant polymer material, passes through quick coupling and main body tube
The outer ring pipeline on road connects.
Further, the material of the main body pipeline is 316L stainless steel.
Further, between the simulation blocking pipeline section and main body pipeline inner ring inlet and main body pipeline outer ring exit
Distance be all larger than 40 meters.
The beneficial effects of the present invention are: the present invention adapts to lab space condition, facilitate feasible, can be carried out gas phase or gas
Pressure wave jam detection is tested under the conditions of liquid two-phase pressure-wave emission characteristic test and gas phase or gas-liquid two-phase, can simulate difference
Plugging point stopping state, the setting of see-through section facilitate the observation to two-phase fluid flow pattern fluidised form in pipe, main body pipeline it is straight
Pipe and bend pipe are detachably connected, and are convenient for changing.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention.
Appended drawing reference is as follows in figure: 1, gas cylinders group, 2, high-flow pressure reducing valve, 3, vacuum tank, 4, static pressure sensor, 5,
Gas flowmeter, 6, gas flow control valve, 7, water tank, 8, water injecting pump, 9, fluid flowmeter, 10, liquid flow control valve,
11, flow mixing device, 12, main body pipeline, 14, simulation blocking pipeline section, 15, see-through section, 16, high frequency dynamic pressure transducer, 17, Y
Type branch pipe, 18, solenoid valve, 19, needle-valve.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, right in the following with reference to the drawings and specific embodiments
The present invention is described in detail.
Embodiment 1
The present embodiment provides a kind of experimental systems of pressure wave method line clogging detection, including the main body being placed on experimental bench
Pipeline 13, the main body pipeline 13 include multiple straight tubes and multiple bend pipes, and it is detachable to pass through bend pipe between multiple straight tubes
Connection constitutes helical structure；The length and radius of curvature of multiple bend pipes are all the same, quick by screw thread flat seal
Connector is connect with straight tube, is convenient for changing, and since bend pipe has certain curvature radius, can guarantee that pressure-wave emission form does not occur
Significant change；The material of the main body pipeline 13 is 316L stainless steel.Main body pipeline 13 is equipped with simulation blocking pipeline section 14, can root
Portion body pipeline is replaced as simulation blocking pipeline section 14, institute according to the pipeline for needing to be arranged different length, internal diameter, shape and material
Simulation blocking the distance between pipeline section 14 and 13 outer ring exit of 13 inner ring inlet of main body pipeline and main body pipeline is stated to be all larger than
40 meters, for simulating the blocking as caused by the solids bulks such as gas hydrates, paraffin, pitch in oil-gas pipeline.
13 inner ring inlet of main body pipeline is connect by pipeline with 5 one end of gas flowmeter, is ensphered in main body pipeline 13
Connecting pipe between 5 one end of gas flowmeter is equipped with gas flow control valve 6 at mouthful, the gas flowmeter 5 it is another
One end is connect by pipeline with vacuum tank 3, is equipped in the connecting pipe between 5 other end of gas flowmeter and vacuum tank 3 quiet
State pressure sensor 4, the vacuum tank 3 are also connect by pipeline with gas cylinders group 1, the connection between vacuum tank 3 and gas cylinders group 1
Pipeline is equipped with high-flow pressure reducing valve 2, range needed for high-flow pressure reducing valve 2 extremely tests the high voltage adjusting of gas cylinders group 1；The master
On 13 inner ring pipeline of body pipeline, inlet side be equipped with flow mixing device 11, the flow mixing device 11 passes through pipeline and fluid flowmeter 9 one
End connects, and liquid flow control valve 10, the liquid are equipped in the connecting pipe between 9 one end of flow mixing device 11 and fluid flowmeter
9 other end of flowmeter body is connect by pipeline with water injecting pump 8, the connecting tube between 9 other end of fluid flowmeter and water injecting pump 8
Road is equipped with static pressure sensor 4, and the water injecting pump 8 is also connect by pipeline with water tank 7；It is irised out outside the main body pipeline 13
Y type branch pipe 17 is connected at mouthful, the setting of Y type branch pipe 17 is convenient for generating suction wave, the Y type branch pipe 17 1 under flow regime
It is connected with the solenoid valve 18 for generating pressure wave in a branch, the needle for controlling fluid velocity is connected in another branch
Valve 19, it is preferred that the solenoid valve 18 is rapidly opened and closed solenoid valve；See-through section is connected on the outer ring pipeline of main body pipeline 13
15,15 material of see-through section is transparent pressure-resistant polymer material, passes through the outer race tube of quick coupling and main body pipeline 13
Road connection, for observing the flow pattern fluidised form of two phase flow in main body pipeline 13.
The gas cylinders group 1 includes several nitrogen gas cylinders parallel with one another or several air gas cylinders parallel with one another, is made
For the sufficient gas source of experimental system；The material of the vacuum tank 3 is low-alloy steel, and pressure is maintained to stablize；The gas flowmeter 5
Using thermal gas flowmeter, to measure gas injection flow；The gas flow control valve 6 uses manually gate valve, uses
To control 13 inner ring inlet flow of main body pipeline, and in case of emergency disconnect the air inlet of main body pipeline 13.
The water tank 7 is water storage container, and material is polymer material, provides water source for water injecting pump 8；The water injecting pump 8 is adopted
With Quimby pump, water phase is injected for experimental system；The fluid flowmeter 9 uses electromagnetic flowmeter, for measuring water phase injection
Flow；The liquid flow control valve 10 uses manually gate valve, in case of emergency disconnecting water injecting pump 8 and main body pipeline
13 connection；The flow mixing device 11 is gas-liquid mixed phase device, it is preferred that flow mixing device 11 injects mode using porous wide-angle, just
It is sufficiently mixed in liquid and swiftly flowing gas, and then mixed phase flows in main body pipeline 13.
High frequency dynamic pressure transducer 16 and static pressure sensor are connected on the outer ring pipeline of the main body pipeline 13
4, for pressure wave in measurement pipe, 16 quantity of high frequency dynamic pressure transducer is multiple, it is preferred that high frequency dynamic pressure passes
Sensor 16 can adjust installation site according to requirement of experiment；It is connected with temperature sensor 12 on the 13 inner ring pipeline of main body pipeline,
For temperature in measurement pipe；The high frequency dynamic pressure transducer 16 is connected by the outer ring pipeline of crossover sub and main body pipeline 13
It connects, the crossover sub material is polyetheretherketonematerials materials, for preventing high frequency dynamic pressure transducer 16 and main body pipeline 13 straight
It connects in succession and signal is interfered；The high frequency dynamic pressure transducer 16 uses piezoelectric quartz dynamic pressure transducer, reaction
Speed is fast, and precision is high, outside be equipped with metal casing, for avoiding environment electromagnetics signal from interfering to signal collected.
Preferably, it is 150 that the Y type branch pipe 17, which is connected with the angle between the branch of solenoid valve 18 and main body pipeline 13, electricity
Magnet valve 18 and 13 outer ring exit of main body pipeline distance are 1 meter, and needle-valve 19 and 13 outer ring exit of main body pipeline distance are 0.5
Rice.
Embodiment 2
The present embodiment provides the operating methods of the experimental system of pressure wave method line clogging test experience:
A. pressure-wave emission characteristic test
1, gas injection process: closing solenoid valve 18 and needle-valve 19, opens gas cylinders group 1, adjusts high-flow pressure reducing valve 2 and gas stream
Control valve 6 injects gas into main body pipeline 13 with certain speed, after reaching experimental pressure, gas cylinders group 1 is kept to open, protected
Hold 2 aperture of high-flow pressure reducing valve；
2, mixed phase flow process: opening and metering pin valve 19, flows gas in main body pipeline 13 with experimental flow rate, then
Water injecting pump 8 is opened, and adjusts water injecting pump 8 and is filled the water by setting flow into main body pipeline 13, until the steady flow of air water two-phase；
3, pressure wave transmitting and DRP data reception process: setting 18 opening/closing time of solenoid valve, temperature sensor 12, high frequency dynamic
Pressure sensor 16 and static pressure sensor 4 record dynamic pressure data, static pressure data, temperature data, start electromagnetism
Valve 18 keeps its rapidly opened and closed, and pressure wave generates at this time, and along pipe transmmision, until pressure wave amplitude attenuation is to zero, experiment is tied
Beam.
B. pressure wave jam detection is tested
1, simulation blocking 14 installation process of pipeline section: suitable blocking pipeline section is selected according to requirement of experiment, and will need to install
The corresponding main body pipeline 13 in position unloads, and the blocking pipeline section of selection is loaded onto；
2, gas injection process: closing solenoid valve 18 and needle-valve 19, opens gas cylinders group 1, adjusts high-flow pressure reducing valve 2 and gas stream
Control valve 6 injects gas into main body pipeline 13 with certain speed, after reaching experimental pressure, gas cylinders group 1 is kept to open, protected
Hold 2 aperture of high-flow pressure reducing valve；
3, mixed phase flow process: opening and metering pin valve 19, flows gas in main body pipeline 13 with experimental flow rate, then
Water injecting pump 8 is opened, and adjusts water injecting pump 8 and is filled the water by setting flow into main body pipeline 13, until the steady flow of air water two-phase；
4, pressure wave transmitting and DRP data reception process: setting 18 opening/closing time of solenoid valve, temperature sensor 12, high frequency dynamic
Pressure sensor 16 and static pressure sensor 4 record dynamic pressure data, static pressure data, temperature data, start electromagnetism
Valve 18 keeps its rapidly opened and closed, and pressure wave generates at this time, and along pipe transmmision, until pressure wave amplitude attenuation is to zero, experiment is tied
Beam.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art within the technical scope of the present disclosure, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of experimental system of pressure wave method line clogging detection, which is characterized in that including main body pipeline (13), the main body
Pipeline (13) includes multiple straight tubes and multiple bend pipes, is detachably connected between multiple straight tubes by bend pipe, and spiral is constituted
Structure, the main body pipeline (13) are horizontally placed on experimental bench；Main body pipeline (13) inner ring inlet passes through pipeline and gas stream
Meter (5) one end connects, and sets in the connecting pipe between main body pipeline (13) inner ring inlet and gas flowmeter (5) one end
Have gas flow control valve (6), the other end of the gas flowmeter (5) is connect by pipeline with vacuum tank (3), the pressure stabilizing
Tank (3) is also connect by pipeline with gas cylinders group (1), and big stream is equipped in the connecting pipe between vacuum tank (3) and gas cylinders group (1)
It measures pressure reducing valve (2)；On main body pipeline (13) the inner ring pipeline, inlet side be equipped with flow mixing device (11), the flow mixing device
(11) it is connect by pipeline with fluid flowmeter (9) one end, the connection between flow mixing device (11) and fluid flowmeter (9) one end
Pipeline is equipped with liquid flow control valve (10), and fluid flowmeter (9) other end is connect by pipeline with water injecting pump (8),
The water injecting pump (8) is also connect by pipeline with water tank (7)；Main body pipeline (13) the outer ring exit is connected with Y type branch pipe
(17), it is connected with solenoid valve (18) in (17) branches of the Y type branch pipe, needle-valve (19) is connected in another branch；Institute
It states main body pipeline (13) and is equipped with simulation blocking pipeline section (14), be connected with see-through section on the outer ring pipeline of main body pipeline (13)
(15)。
2. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that the master
High frequency dynamic pressure transducer (16) and static pressure sensor (4), the height are connected on the outer ring pipeline of body pipeline (13)
Frequency dynamic pressure transducer (16) quantity is multiple；Temperature sensor is connected on main body pipeline (13) the inner ring pipeline
(12)。
3. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that in gas
Connecting pipe between flowmeter (5) other end and vacuum tank (3) is equipped with static pressure sensor (4)；In fluid flowmeter
(9) connecting pipe between the other end and water injecting pump (8) is equipped with static pressure sensor (4).
4. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that described
The length and radius of curvature of multiple bend pipes are all the same, are connect by the quick coupling of screw thread flat seal with straight tube.
5. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that the gas
Bottle group (1) includes several nitrogen gas cylinders parallel with one another or several air gas cylinders parallel with one another, the vacuum tank (3)
Material is low-alloy steel, and the gas flowmeter (5) uses thermal gas flowmeter, and the gas flow control valve (6) uses
Manually gate valve.
6. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that the water
Case (7) material is polymer material, and the water injecting pump (8) uses Quimby pump, and the fluid flowmeter (9) uses Electromagnetic Flow
Meter, the liquid flow control valve (10) use manually gate valve.
7. a kind of experimental system of pressure wave method line clogging detection according to claim 2, which is characterized in that the height
Frequency dynamic pressure transducer (16) is connect by crossover sub with the outer ring pipeline of main body pipeline (13), the crossover sub material
For polyetheretherketonematerials materials；The high frequency dynamic pressure transducer (16) uses piezoelectric quartz dynamic pressure transducer, external equal
Equipped with metal casing.
8. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that described
Bright pipeline section (15) material is transparent pressure-resistant polymer material, is connected by the outer ring pipeline of quick coupling and main body pipeline (13)
It connects.
9. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that the master
The material of body pipeline (13) is 316L stainless steel.
10. a kind of experimental system of pressure wave method line clogging detection according to claim 1, which is characterized in that described
Simulation blocking pipeline section (14) and the distance between main body pipeline (13) inner ring inlet and main body pipeline (13) outer ring exit are equal
Greater than 40 meters.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811627237.7A CN109541029A (en) | 2018-12-28 | 2018-12-28 | A kind of experimental system of pressure wave method line clogging detection |
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| CN201811627237.7A CN109541029A (en) | 2018-12-28 | 2018-12-28 | A kind of experimental system of pressure wave method line clogging detection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593828A (en) * | 2019-06-24 | 2019-12-20 | 中国石油天然气股份有限公司 | Fluid pressure wave code experimental device and method |
| CN112796828A (en) * | 2020-12-31 | 2021-05-14 | 中国矿业大学 | Method for preventing and controlling blockage of ultrahigh water material filling pipeline |
-
2018
- 2018-12-28 CN CN201811627237.7A patent/CN109541029A/en active Pending
Non-Patent Citations (1)
| Title |
|---|
| 王哲: "压力波法输气管水合物堵塞检测系统", 《《中国优秀硕士学位论文全文数据库》》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110593828A (en) * | 2019-06-24 | 2019-12-20 | 中国石油天然气股份有限公司 | Fluid pressure wave code experimental device and method |
| CN110593828B (en) * | 2019-06-24 | 2023-12-22 | 中国石油天然气股份有限公司 | Fluid pressure wave code experimental device and method |
| CN112796828A (en) * | 2020-12-31 | 2021-05-14 | 中国矿业大学 | Method for preventing and controlling blockage of ultrahigh water material filling pipeline |
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Application publication date: 20190329 |