CN208012993U - A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device - Google Patents
A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device Download PDFInfo
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- CN208012993U CN208012993U CN201820588072.6U CN201820588072U CN208012993U CN 208012993 U CN208012993 U CN 208012993U CN 201820588072 U CN201820588072 U CN 201820588072U CN 208012993 U CN208012993 U CN 208012993U
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Abstract
The utility model discloses a kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental devices, including dry gas transport system, moisture transport system plus sand system, test pipe fitting, monitoring system and tail gas waste disposal system；The dry gas transport system includes frequency converter, wind turbine and dry gas delivery pipe, the moisture transport system includes fluid reservoir, delivery pump, makes fog spray head and moisture delivery pipe, described plus sand system includes adding silo plus sand valve, the monitoring system includes pressure regulator, flow straightener, gas flowmeter, gas gauge, hydraulic pressure gage, fluid flowmeter, wet temp monitor, PH detectors, and the tail gas waste disposal system includes hose, waste disposal pond.The utility model completes erosion, corrosion Comprehensive Experiment of the different materials test piece in specific flow field (elbow, threeway etc.), analysis of material test piece corrosion wear rate, the changing rule of configuration of surface at different conditions under the conditions of gas-liquid-solid multiphase flow.
Description
Technical field
The utility model is related to a kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental devices.
Background technology
In oil-gas gathering and transportation system, pipeline is most important means of transportation.During gas gathering and transportation, from gas well
The natural gas of middle extraction can carry the solid particles such as water flooding and landwaste, gravel (being referred to as impurity), be limited to well site separator
Separative efficiency, these impurity can not be completely segregated.With high-speed flow during Bottomhole pressure, solid particle can be to pipe
Road wall surface causes erosion attack；Free water can gather to form corrosive environment at the low-lying place of pipeline or flow field mutation simultaneously, in turn
Corrosion failure is caused to pipeline under the action of Korrosionsmedium such as carbon dioxide.Erosion, corrosion condition are extremely complex in pipeline,
The harm such as the failure of collector and delivery pipe part, corrosion failure are often resulted in, as well site separator entrance elbow perforation rupture, sediment outflow pipeline become
Diameter section erosion corrosion failure collects defeated threeway corrosion failure etc., and great threat is formed to the safe operation of oil-gas gathering and transferring pipeline.Cause
This, the erosion of collector and delivery pipe part, corrosion failure are always the research emphasis of domestic and foreign scholars, and existing currently without in different pipe sections
Erosion of the part (elbow, threeway etc.) under the conditions of gas-liquid-solid multiphase flow, corrosion experimental device.
Utility model content
The utility model mainly overcomes shortcoming in the prior art, proposes a kind of gas-liquid-solid multiphase flow erosion, corruption
Lose comprehensive experimental device.
The utility model solves the technical solution that above-mentioned technical problem is provided：A kind of gas-liquid-solid multiphase flow erosion, corruption
Lose comprehensive experimental device, including dry gas transport system, moisture transport system plus sand system, test pipe fitting, monitoring system and tail
Gas waste disposal system；
The dry gas transport system includes frequency converter, wind turbine and dry gas delivery pipe, and the moisture transport system includes liquid storage
Tank, delivery pump make fog spray head and moisture delivery pipe, and described plus sand system includes adding silo plus sand valve, the monitoring system packet
Include pressure regulator, flow straightener, gas flowmeter, gas gauge, hydraulic pressure gage, fluid flowmeter, wet temp monitor, PH inspections
Instrument is surveyed, the tail gas waste disposal system includes hose, waste disposal pond；
The test pipe fitting inner wall is equipped with several test piece slots, and steel test piece is equipped in the test piece slot；
The frequency converter is electrically connected with wind turbine, and the dry gas delivery pipe is connected to wind turbine, the pressure regulator, flow straightener, gas
Flowmeter body, gas gauge plus sand valve, wet temp monitor are successively set in dry gas delivery pipe, the dry gas conveying
Pipe is equipped with through-hole, and the through-hole is located at plus between sand valve, wet temp monitor, and described plus silo is connect with sand valve is added；
The PH detectors are installed in fluid reservoir, and the fluid reservoir pours pipe equipped with carbon dioxide, liquid phase pours pipe,
The input port of the delivery pump is connected to fluid reservoir, and delivery outlet is connected to moisture delivery pipe；The fog spray head of making is connected to moisture
On delivery pipe right end, the moisture delivery pipe right end is arranged in through-hole, and the fog spray head of making is located in moisture delivery pipe；
Described test pipe fitting one end is connected to dry gas delivery pipe, and the other end is connected to hose；The hose is arranged in waste material
In processing pond.
Further, setting test piece slot in interval in the test pipe fitting.
Further, 8 test piece slots are arranged for interval with 45 degree on the cross section of the test pipe fitting.
Further, the test pipe fitting includes being sequentially connected elbow section, vertical pipe section, the elbow section and dry gas are defeated
Pipe is sent to be connected to, the vertical pipe section is connected to hose.
Further, 8 test piece slots are arranged for interval with 10 degree in the outside of the elbow section, inside is with 14 degree for interval
6 test piece slots are set.
Further, the delivery pump is noncorrosive pump.
Further, the test pipe fitting and 304 stainless steels that dry gas delivery pipe is diameter 108mm, wall thickness 4mm
Pipe；The moisture delivery pipe, which is diameter 14mm, the Asia of wall thickness 2mm is big manages.
Further, the fluid reservoir is corrosion-resistant plastic cylinder flow container.
Further, the steel test piece is fitted in by high-temp glue in test piece slot.
Further, being connected to by flange between the elbow section, vertical pipe section.
The utility model has the beneficial effects that：
(1) the utility model completes different materials test piece in specific flow field (elbow, threeway under the conditions of gas-liquid-solid multiphase flow
Deng) in erosion, corrosion Comprehensive Experiment, analysis of material test piece corrosion wear rate, the variation of configuration of surface at different conditions
Rule；
(2) if other conditions are the same, the gas-liquid-solid three phase flow punching of material test piece under different gas phase flow velocities is completed
Erosion, corrosion Comprehensive Experiment, and then the rule that analysis of material test piece corrosion wear rate, configuration of surface change with gas phase flow velocity；
(3) if other conditions are the same, the gas of material test piece under variable grain mass flow (sand content) is completed
Liquid consolidates three-phase flow erosion, corrosion Comprehensive Experiment, and then analysis of material test piece corrosion wear rate, configuration of surface change with sand content
Rule；
(4) if other conditions are the same, different PH (CO is completed2Content) under material test piece gas-liquid-solid three-phase
Erosion, corrosion Comprehensive Experiment are flowed, and then analysis of material test piece corrosion wear rate, configuration of surface are with pH value (CO2Content) variation
Rule.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is elbow test piece radially installed schematic diagram；
Fig. 3 is elbow test piece axial centre section scheme of installation.
As shown in the figure：1- frequency converters；2- wind turbines；3- carbon dioxide is filled with pipe；4- liquid phases are filled with pipe；5- fluid reservoirs；6-PH
Detector；7- liquid measure control valves；8- delivery pumps；9- fluid flowmeters；10- hydraulic pressure gages；11- resevoir sand tanks；12- hoses；13-
Waste disposal pond；14- tests pipe fitting；15- temperature-humidity monitoring instrument；16- makes fog spray head；17- adds sand valve；18- gas gauges；
19- gas flowmeters；20- flow straighteners；21- pressure regulation meters；22- dry gas delivery pipes；23- moisture delivery pipes；24- test piece slots.
Specific implementation mode
Further description is done to the utility model with reference to embodiment and attached drawing.
As shown in Figure 1, a kind of gas-liquid-solid multiphase flow erosion of the utility model, corrosion comprehensive experimental device, including dry gas
Transport system, moisture transport system plus sand system, test pipe fitting 14, monitoring system and tail gas waste disposal system；
The dry gas transport system includes frequency converter 1, wind turbine 2 and dry gas delivery pipe 22, for delivering the air to experiment
System makes experiment main phase have certain speed；
The moisture transport system includes fluid reservoir 5, delivery pump 8, makes fog spray head 16 and moisture delivery pipe 23, and being used for will be sour
Property liquid be sprayed in the form of mist in experimental system, be mixed to form wet gas environments with dry gas, wherein fluid reservoir 5 is used for CO2With water
Be mixed to form acidic environment；
Described plus sand system includes adding silo 11 plus sand valve 17, for solid particle to be added into experimental system, is formed
Erosion condition；
The monitoring system includes pressure regulator 21, flow straightener 20, gas flowmeter 19, gas gauge 18, fluid pressure
Table 10, fluid flowmeter 9, wet temp monitor 15, PH detectors 6, above-mentioned each instrument is connect with computer, to monitor
Every flow parameter of system ensures system stable operation；
The tail gas waste disposal system includes hose 12, waste disposal pond 13, the processing for tail gas, waste material etc.；
14 inner wall of test pipe fitting is equipped with several test piece slots 24, and steel test piece is equipped in the test piece slot 24；
The frequency converter 1 is electrically connected with wind turbine 2, and the dry gas delivery pipe 22 is connected to wind turbine 2, dry gas delivery pipe 22 and wind
Liquid measure control valve 7, the pressure regulator 21, flow straightener 20, gas flowmeter 19, gas gauge 18 plus sand are additionally provided between machine 2
Valve 17, wet temp monitor 15 are successively set in dry gas delivery pipe 22, and the dry gas delivery pipe 22 is equipped with through-hole, described
Through-hole is located at plus between sand valve 17, wet temp monitor 15, and described plus silo 11 is connect with sand valve 17 is added；
The PH detectors 6 are installed in fluid reservoir 5, and the fluid reservoir 5 pours pipe 3, liquid phase punching equipped with carbon dioxide
Enter pipe 4, the input port of the delivery pump 8 is connected to fluid reservoir 5, and delivery outlet is connected to moisture delivery pipe 23；It is described to make fog spray head
16 are connected on 23 right end of moisture delivery pipe, and 23 right end of moisture delivery pipe is arranged in through-hole, described to make fog spray head 16
In in moisture delivery pipe 23；
Described 14 one end of test pipe fitting is connected to dry gas delivery pipe 22, and the other end is connected to hose 12；The hose 12 is set
It sets in waste disposal pond 13.The present apparatus wherein further includes electrochemical testing device and weightless test Libra, for completing reality
The corrosive wears signature analysis such as test examination and experimental sample weight loss rate, corrosion electric current density.
For above-mentioned experimental provision in addition to waste disposal pond 13, remaining all devices designs installation on skid pedestal, surveys
Test tube part 14 is replaceable, skid pedestal be designed with apparatus capable of fluctuating, it can be achieved that experimental system lifting, and then adapt to different shape
Test pipe fitting 14 (upwards, downwards, to the left, elbow and threeway to the right).
Wherein more acurrate for the experimental result of test, preferred embodiment is that interval is set in the test pipe fitting 14
Set test piece slot 24.The test pipe fitting 14 includes being sequentially connected elbow section, vertical pipe section, the elbow section and dry gas delivery pipe 22
Connection, the vertical pipe section are connected to hose 12.
As shown in Fig. 2, 8 test piece slots 24 are arranged for interval with 45 degree on the cross section of the test pipe fitting 14.
As shown in figure 3, the outside of the elbow section with 10 degree for interval be arranged 8 test piece slots 24, inside with 14 degree be between
Every 6 test piece slots 24 of setting.
Its preferred embodiment is that the delivery pump 8 is noncorrosive pump, the test pipe fitting 14 and dry gas delivery pipe 22
It is 304 stainless steel tubes of diameter 108mm, wall thickness 4mm；The moisture delivery pipe 23 is diameter 14mm, the Asia of wall thickness 2mm is big
Pipe, the fluid reservoir 5 are corrosion-resistant plastic cylinder flow container, and the steel test piece is fitted in by high-temp glue in test piece slot 24,
It is connected to by flange between the elbow section, vertical pipe section.
The step of the utility model experimental method, is as follows：
The quartz sand of 3/4 volume is added in resevoir sand tank 11；The water of 3/4 volume is added in fluid reservoir 5, and into fluid reservoir 5
Inject CO2To specified pH value；
Steel test piece after will be cleaned, dry is fitted in using high-temp glue in the test piece slot of pipe fitting, then by testing tube
Part is installed on test position, accesses main pipe system；Outlet section is connected with hose 12；
Start wind turbine 2, it is accelerated after gas phase pass sequentially through pressure regulator 21, flow straightener 20, gas through dry gas delivery pipe 22
Pressure gauge 18, gas flowmeter 19, computer are checked and accepted collection operation floor data in the stipulated time and are stored；
Start delivery pump 8, pre-prepd acidic liquid passes sequentially through liquid measure control valve 7, defeated through moisture delivery pipe 23
It send pump 8, fluid flowmeter 9, hydraulic pressure gage 10 and makes fog spray head 16 and entered in dry gas delivery pipe 22 with mist, computer
Collection operation floor data is checked and accepted in the stipulated time and is stored；
It after being stablized by the data judging gas-liquid two-phase flow field of computer acquisition, opens and adds sand valve 17, in fluid reservoir 5
Quartz sand enters main pipe system and is mixed with gas-liquid two-phase, and the gas-liquid-solid that formation is based on gas phase, liquid phase and solid phase are secondary phase is more
Xiang Liu；
Gas-liquid-solid three phase flow enters test pipe fitting 14 and carries out erosion, corrosion Comprehensive Experiment to steel test piece；It is shown with Fig. 1
Example, after gas-liquid-solid three-phase flows through straight pipe level inflow elbow section, flow direction switchs to straight up, and the vertical pipe section through 1m ensures stream
After moving fully, flowed into waste disposal pond 13 through hose 12；
During the experiment, the conducting wire drawn by steel test piece measures each position material using electro-chemical measuring apparatus
The corrosion electric current density situation of change of test piece during the experiment；
It completes an experimental period (generally 36h) and stops experiment afterwards, successively closing plus sand valve 17, delivery pump 8 and wind
Machine 2；
After system stalls, experiment test pipe fitting 14 is removed, and removes experiment test piece；
Erosion-corrosion wear rate and the wear-out failure spy of test piece are analyzed by weightless test Libra, electron-microscope scanning instrument etc.
Sign；
Complete experiment.
A whole set of experimental provision provides material supply, the function that wind turbine 2 and delivery pump 8 form by fluid reservoir 5 and resevoir sand tank 11
System provides mobilization dynamic, and vertical pipe section ensures flowing fully development；In experimental facilities installation and liftable prying body pedestal, with
Adapt to the elbow section experiment of different flow directions (upwards, downwards, to the left, to the right)；Hose 12 and waste disposal pond 13 can prevent air
And environmental pollution.Gas flow rate is controlled by frequency converter 1 changes 2 rotating speed of wind turbine, 11 lower part of resevoir sand tank adds sand control valve control
Erosion amounts of particles in unit interval processed.Pressure regulator 21, flow straightener 20, gas flowmeter 19, gas gauge 18, liquid pressure
Power table 10, fluid flowmeter 9, wet temp monitor 15, PH detectors 6 are connect with computer, realize the dynamic of duty parameter
Collect storage.
The above does not impose any limitation on the present invention, although the utility model is by above-mentioned
Embodiment discloses, however is not limited to the utility model, and any person skilled in the art is not departing from this practicality
In new technique aspects, is made when the technology contents using the disclosure above and change or be modified to the equivalent of equivalent variations a bit
Embodiment, as long as being the content without departing from technical solutions of the utility model, according to the technical essence of the utility model to above real
Any simple modification, equivalent change and modification made by example are applied, are still within the scope of the technical solutions of the present invention.
Claims (10)
1. a kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device, which is characterized in that including dry gas transport system, moisture
Transport system plus sand system, test pipe fitting (14), monitoring system and tail gas waste disposal system；
The dry gas transport system includes frequency converter (1), wind turbine (2) and dry gas delivery pipe (22), the moisture transport system packet
It includes fluid reservoir (5), delivery pump (8), make fog spray head (16) and moisture delivery pipe (23), described plus sand system includes adding silo
(11), add sand valve (17), the monitoring system includes pressure regulator (21), flow straightener (20), gas flowmeter (19), gas pressure
Power meter (18), hydraulic pressure gage (10), fluid flowmeter (9), wet temp monitor (15), PH detectors (6), the tail gas are useless
Expect that processing system includes hose (12), waste disposal pond (13)；
Test pipe fitting (14) inner wall is equipped with several test piece slots (24), and steel test piece is equipped in the test piece slot (24)；
The frequency converter (1) is electrically connected with wind turbine (2), and the dry gas delivery pipe (22) is connected to wind turbine (2), the pressure regulator
(21), flow straightener (20), gas flowmeter (19), gas gauge (18), plus sand valve (17), wet temp monitor (15) according to
Secondary to be arranged in dry gas delivery pipe (22), the dry gas delivery pipe (22) is equipped with through-hole, and the through-hole is located at plus sand valve
(17), between wet temp monitor (15), described plus silo (11) is connect with sand valve (17) is added；
The PH detectors (6) are installed in fluid reservoir (5), and the fluid reservoir (5) pours pipe (3), liquid equipped with carbon dioxide
Pipe (4) is mutually poured, the input port of the delivery pump (8) is connected to fluid reservoir (5), and delivery outlet is connected to moisture delivery pipe (23)；
The fog spray head (16) of making is connected on moisture delivery pipe (23) right end, and moisture delivery pipe (23) right end is arranged in through-hole
Interior, the fog spray head (16) of making is located in moisture delivery pipe (23)；
The test pipe fitting (14) one end is connected to dry gas delivery pipe (22), and the other end is connected to hose (12)；The hose
(12) setting is in waste disposal pond (13).
2. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
State interval setting test piece slot (24) in test pipe fitting (14).
3. a kind of gas-liquid-solid multiphase flow erosion according to claim 2, corrosion comprehensive experimental device, which is characterized in that institute
It states and 8 test piece slots (24) is set for interval with 45 degree on the cross section of test pipe fitting (14).
4. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
It includes being sequentially connected elbow section, vertical pipe section to state test pipe fitting (14), and the elbow section is connected to dry gas delivery pipe (22), described
Vertical pipe section is connected to hose (12).
5. a kind of gas-liquid-solid multiphase flow erosion according to claim 4, corrosion comprehensive experimental device, which is characterized in that institute
It states the outside of elbow section and 8 test piece slots (24) is set for interval with 10 degree, 6 test piece slots are arranged for interval with 14 degree in inside
(24)。
6. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
It is noncorrosive pump to state delivery pump (8).
7. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
State test pipe fitting (14) with dry gas delivery pipe (22) be diameter 108mm, wall thickness 4mm 304 stainless steel tubes；The moisture conveying
(23) are managed as the big pipe in Asia of diameter 14mm, wall thickness 2mm.
8. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
It is corrosion-resistant plastic cylinder flow container to state fluid reservoir (5).
9. a kind of gas-liquid-solid multiphase flow erosion according to claim 1, corrosion comprehensive experimental device, which is characterized in that institute
Steel test piece is stated to be fitted in test piece slot (24) by high-temp glue.
10. a kind of gas-liquid-solid multiphase flow erosion according to claim 4, corrosion comprehensive experimental device, which is characterized in that institute
It states and is connected to by flange between elbow section, vertical pipe section.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588072.6U CN208012993U (en) | 2018-04-24 | 2018-04-24 | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820588072.6U CN208012993U (en) | 2018-04-24 | 2018-04-24 | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device |
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| Publication Number | Publication Date |
|---|---|
| CN208012993U true CN208012993U (en) | 2018-10-26 |
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|---|---|---|---|
| CN201820588072.6U Expired - Fee Related CN208012993U (en) | 2018-04-24 | 2018-04-24 | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267381A (en) * | 2018-04-24 | 2018-07-10 | 西南石油大学 | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device |
| CN116106154A (en) * | 2023-04-14 | 2023-05-12 | 西南石油大学 | Corrosion-resistant material accelerated erosion test device and test method thereof |
-
2018
- 2018-04-24 CN CN201820588072.6U patent/CN208012993U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267381A (en) * | 2018-04-24 | 2018-07-10 | 西南石油大学 | A kind of gas-liquid-solid multiphase flow erosion, corrosion comprehensive experimental device |
| CN108267381B (en) * | 2018-04-24 | 2024-01-26 | 西南石油大学 | Comprehensive experiment device for gas-liquid-solid multiphase flow erosion and corrosion |
| CN116106154A (en) * | 2023-04-14 | 2023-05-12 | 西南石油大学 | Corrosion-resistant material accelerated erosion test device and test method thereof |
| CN116106154B (en) * | 2023-04-14 | 2023-06-20 | 西南石油大学 | Corrosion-resistant material accelerated erosion test device and test method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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