CN206249696U - A kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device - Google Patents
A kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device Download PDFInfo
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- CN206249696U CN206249696U CN201621181821.0U CN201621181821U CN206249696U CN 206249696 U CN206249696 U CN 206249696U CN 201621181821 U CN201621181821 U CN 201621181821U CN 206249696 U CN206249696 U CN 206249696U
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Abstract
The utility model discloses a kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, including air compressor machine, air accumulator, sand hopper, agitator, regulating valve, gate valve, four-way chamber, mixer, accelerator, flexible pipe, nozzle, erosion sample, liquid-solid separator, fluid reservoir, centrifugal pump, No. two gate valves；The outlet of the four-way chamber, mixer, accelerator, the flexible pipe with compression fittings, nozzle, erosion sample, the entrance of liquid-solid separator are sequentially connected, the agitator is arranged in sand hopper, the sand hopper lower end is connected with regulating valve, the fluid reservoir has outlet and entrance, the outlet of the fluid reservoir, centrifugal pump, No. two gate valves are sequentially connected, and the entrance of the fluid reservoir is connected with the liquid outlet of liquid-solid separator.The utility model can realize that a set of experimental provision simulates two kinds of erosion operating modes, solve erosion sample and be only a thin slice and the problems such as sand grains mixes uneven with liquid so that more meet live actual erosion situation.
Description
Technical field
The utility model is related to a kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, belongs to oil-gas field development stream
Dynamic safeguards technique field.
Background technology
The erosion problem of surface line is unavoidable problem always in actual production, caused by tracer line erosion
Risk happens occasionally, such as the problems such as erosion causes conduit wiring piercing, causes pipeline to wear and tear.Stratum in general Oil/gas Well production process
Will shake out, the gas or fluid of output more or less carry certain sand grains, and the fluid containing sand enters pipeline, can cause tube wall
Wear and tear, cause pipeline vibration and noise.The research meanses of existing pipeline erosion have software to simulate and erosion experiment.Erosion test
Device is divided into rotary erosion experiment, fluid-guiding type erosion experiment, injecting type erosion experiment, jetting type experiment dress by its structure type
Put, the advantage and disadvantage of these modes are specific as follows：
The advantage of rotary experimental device：It is excellent that equipment is simple, low cost, easy to operate, experimental period are short, easy to maintenance etc.
Point；Shortcoming：Because sample ceaselessly rotates, it is not easy to carry out electrochemical analysis test, impact angle less easy to control, this outward turning
The vortex for turning to cause can be impacted to erosion speed so erosion critical speed can not be measured accurately.
The actual condition that major advantage is to simulate very well pipe flushing of fluid-guiding type erosion device, can combine fluid force
Learn relative theory and explain practical application phenomenon, practicality is very strong；Have the disadvantage to be taken up space greatly due to pipeline, needed for required experiment
Amount of solution is big, and the cycle is long, costly, and the maximum only 2Mpa of the pressure for bearing, it is impossible to simulated high-pressure environment.
The advantage of injecting type erosion experiment can accurately control rate of flow of fluid, and experimental period is short；Have the disadvantage to be difficult precise control
Expect the flow velocity of slurry stream, be not the circulatory system, and only carry out at ambient pressure.Wherein, injecting type experimental provision research erosion is mesh
It is preceding that a kind of main experimental technique is studied to erosion both at home and abroad.
Jetting type erosion device is the negative pressure that is produced through fluidic device using high-velocity fluid by sand grains intake chamber and liquid
Mixing, is then sprayed onto test sample surface, the fine coutroi velocity of energy and impact angle through nozzle, is the circulatory system, also easily electrochemical
Analysis test；Have the disadvantage that erosion sample is only a thin slice, it is inconsistent with actual erosion element, and testing procedure is cumbersome.It is existing
Some erosion experiment apparatus erosion samples are only a thin slice, and simulation operating mode is single, and these are not inconsistent with actual erosion situation.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion lecture experiment dress
Put, can realize that a set of experimental provision simulates two kinds of erosion operating modes so that closer to produced on-site, solve traditional erosion experiment
The erosion sample of device is only thin slice, and sand grains mixes uneven with liquid, and sand grain content is uncontrollable, and material can not be recycled
The problems such as, it is considered to the actual erosion operating mode of Oil/gas Well, liquid fixed double phase flow erosion and Dual-Phrase Distribution of Gas olid erosion are switched over using gate valve
Flow.
The utility model solves the technical scheme that is used of above-mentioned technical problem：A kind of liquid, the punching of Dual-Phrase Distribution of Gas olid pipeline
Erosion demonstrating experiment device, including air compressor machine, air accumulator, sand hopper, agitator, regulating valve, gate valve, four-way chamber, mixer,
Accelerator, flexible pipe, nozzle, erosion sample, liquid-solid separator, fluid reservoir, centrifugal pump, No. two gate valves；
The four-way chamber has three entrances and one outlet, and the liquid-solid separator goes out with an entrance and two
Mouth is liquid outlet, solid outlet, the outlet of the four-way chamber, mixer, accelerator, the flexible pipe with compression fittings,
Nozzle, erosion sample, the entrance of liquid-solid separator are sequentially connected；
Three entrances of the four-way chamber are connected with regulating valve, gate valve, No. two gate valves respectively, the air compressor machine,
Air accumulator, a gate valve are sequentially connected, and the agitator is arranged in sand hopper, and the sand hopper lower end is connected with regulating valve, described
Fluid reservoir has outlet and entrance, the outlet of the fluid reservoir, centrifugal pump, No. two gate valves are sequentially connected, and the fluid reservoir enters
Mouth is connected with the liquid outlet of liquid-solid separator.
It is further that pressure-regulating valve and flowmeter are equipped with the air accumulator, fluid reservoir.
It is further that the solid outlet lower section of the liquid-solid separator is provided with Sheng sand bottle.
It is further that the flexible pipe is provided with orbiting vane frame, and the presence of orbiting vane frame is to fix flexible pipe
Position, flexible pipe shakes in preventing experimentation.
The utility model has the advantages that：The utility model can realize that a set of experimental provision simulates two kinds of erosions
Operating mode so that closer to produced on-site, solves the erosion sample only thin slice of traditional erosion experiment apparatus, and sand grains is mixed with liquid
Close uneven, sand grain content is uncontrollable, the problems such as material can not be recycled, it is considered to the actual erosion operating mode of Oil/gas Well, use
Gate valve switches over liquid fixed double phase flow erosion and Dual-Phrase Distribution of Gas olid erosion flow.The utility model also uses this jet of mixer
Structure, can accelerate the flowing of first mixture, can well improve the effect of secondary mixing, and accelerated pipeline section accelerates and then logical
Erosion shower nozzle is crossed with high speed erosion sample；There is one section of flexible pipe before connecting pipeline upper nozzle where shower nozzle, be capable of achieving multi-angle punching
Erosion；The utility model overcome conventional spray erosion device by flow velocity influenceed and cause enter mixer amount without
Method is controlled, it is to avoid solid particle enters infringement of the pipeline to pipeline in cyclic process.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Shown in figure：1- air compressor machines, 2- air accumulators, 3- sand hoppers, 4- agitators, 5- regulating valves, number gate valve of 6-, 7- four-ways
Chamber, 8- mixers, 9- accelerators, 10- flexible pipes, 11- nozzles, 12- erosion samples, 13- liquid-solid separators, 14- fluid reservoirs,
15- centrifugal pumps, No. bis- gate valves of 16-, 17- contains sand bottle, 18- orbiting vane framves.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to embodiment, not therefore by this reality
It is limited among described scope of embodiments with new.
As shown in figure 1, a kind of liquid of the present utility model, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, including pneumatics
Machine 1, air accumulator 2, sand hopper 3, agitator 4,5, gate valve 6 of regulating valve, four-way chamber 7, mixer 8, accelerator 9, carry
The flexible pipe 10 of compression fittings, nozzle 11, erosion sample 12, liquid-solid separator 13, fluid reservoir 14,15, No. two gate valves 16 of centrifugal pump；
Air compressor machine 1 is air compressor in said apparatus, is the source of the gas that gas-solid erosion flow is provided with pressure；Air accumulator 2
To store the container of gas, the effect with regulating system pressure which is provided with pressure-regulating valve and flowmeter；Sand hopper 3 is used
Conical funnel；Agitator 4 is arranged in sand hopper 3, for stirring sand grains；Regulating valve 5 is located at the lower section of sand hopper 3, its effect be for
Addition for controlling sand grains；6, No. two gate valves 16 of a number gate valve are an opening and closing element flashboard, the direction of motion of flashboard
Perpendicular with flow direction, gate valve can only make standard-sized sheet and fully closed, pressure loss minimum when its medium is allowed；Four-way chamber 7 is one
Individual cone, is capable of achieving the place of first mixing；The same blade mixer of its principle of mixer 8, with two mulling grooves, relies on
The electric energy of motor drives blade, and rotation realizes that liquid mixes with the uniform of sand grains at a high speed, is 2 places of two phase flow mixing so that
Two phase flow mixes evenly；Accelerator 9 is used to accelerate；Flexible pipe 10 is two with compression fittings and with high pressure resistant wear-resisting
The flexible pipe of damage, it is used to adjust the distance of the erosion of nozzle 11 and the angle of erosion sample before being located at nozzle 11；Nozzle 11 its work
With the flow velocity for being raising mixed flow so that erosion effect becomes apparent from；Erosion sample 12 is the lucite pipe of reducing；Solid-liquor separation
Device 13 is separated into liquid and solid using the Action of Gravity Field of mixed liquor；Fluid reservoir 14 is for storage liquid and collects separation liquid
Place；Centrifugal pump 15 is used to be transported to the liquid in fluid reservoir 14 in four-way chamber 7；
The four-way chamber 7 has three entrances and one outlet, and the liquid-solid separator 13 has entrance, liquid discharge
Mouth, solid outlet, the outlet of the four-way chamber 7, mixer 8, accelerator 9, the flexible pipe 10, nozzle with compression fittings
11st, erosion sample 12, the entrance of liquid-solid separator 13 are sequentially connected；Above-mentioned connected mode is attached by pipeline, can
It is connected with pipeline by flange or change buckle joint；
Three entrances of the four-way chamber 7 are connected with the gate valve 16 of gate valve 6, two of regulating valve 5, respectively, the sky
Press 1,2, gate valve 6 of air accumulator are sequentially connected, and are provided with check valve between air compressor machine 1, air accumulator 2, it is to avoid gas pours in down a chimney sky
Press 1, the agitator 4 is arranged in sand hopper 3, and the lower end of the sand hopper 3 is connected with regulating valve 5, and the fluid reservoir 14 has
Mouthful and entrance, the outlet of the fluid reservoir 14,15, No. two gate valves 16 of centrifugal pump are sequentially connected, the entrance of the fluid reservoir 14 with
The liquid outlet connection of liquid-solid separator 13, above-mentioned connected mode is attached also by pipeline, 5, gate valve 6 of regulating valve,
No. two gate valves 16 are installed on pipeline, the on or off of direct control pipeline.
Air accumulator 2, fluid reservoir 14 are pressure vessel, in order to avoid container inner pressure exceedes maximum pressure value, preferably
Implementation method is to be equipped with pressure-regulating valve and flowmeter on the air accumulator 2, fluid reservoir 14.So pressure-regulating valve can root
Factually the pressure on border carries out release pressure with the maximum pressure value of container, and flowmeter can record the addition of lower gas and liquid
Amount, is easy to experimental implementation.
In order to save experimental cost, it is preferred embodiment that the solid outlet lower section of the liquid-solid separator 13 is provided with
Contain sand bottle 17.The sand grains that sand bottle 17 can be collected into experimentation is so contained, can be used for later experiment, saved and tested into
This.
It is preferred embodiment that the flexible pipe 10 is provided with orbiting vane to simulate the situation that sample inclines erosion
Frame 18.Flexible pipe 10 can be fixed on orbiting vane frame 18 by clip, can be by changing inclining for the middle orbit of cross mounted track 18
Angle changes flexible pipe 10 and vertical angle, realizes the multi-angle problem of the erosion sample of nozzle 11.
It is of the present utility model effect flow be：When a gate valve 6 is closed, No. two gate valves 16, i.e. liquid fixed double phase flow punching are opened
Erosion flow, now opens the regulating valve 5 of the lower section of sand hopper 3 again, adjusts to certain aperture, is then turned on centrifugal pump 15 to pipeline pump
Enter liquid, then flow normal work.When No. two gate valves 16 are closed, a gate valve 6 is opened, allows gas to lead to 5min on stream,
Then tolerance is adjusted, the regulating valve 5 under sand hopper 3, i.e. Dual-Phrase Distribution of Gas olid erosion flow is opened.
Liquid fixed double phase flow erosion flow is：1) type of attachment of flexible pipe 10 and erosion sample is selected, example vertically connects here
Connect, flexible pipe 10 is fixed on cross mounted track 18.
2) gate valve 6 is closed, No. two gate valves 16 are opened, centrifugal pump 15 is opened, No. two apertures of gate valve 16 is adjusted, with stream
Gauge sees whether to reach default flow；
3) regulating valve 5 under sand hopper 3 is opened, is adjusted to default sand grains and is added speed；
4) sand grains in sand hopper 3 enters four-way chamber 7 by regulating valve 5, and the liquid in fluid reservoir 14 is by centrifugal pump 15
Pump into four-way chamber 7, the liquid into four-way chamber 7 is mixed for the first time with sand grains, enter back into mixer and realize secondary mixing
Close, be then injected into accelerator 9, accelerated entrance flexible pipe 10, flexible pipe 10 is followed by nozzle 11, and fluid-mixing is injected into punching
In erosion sample 12；
5) mix inflow liquid-solid separator 13 after erosion to be separated, the liquid of separation is reused into fluid reservoir 14,
In the sand fallout of separation to Sheng sand bottle 17；
6) the step of repeating 4~5 is circulated, and sets certain erosion time, observes erosion effect, measures erosion speed and stream
Amount；
7) repeat to do several groups of experiments, termination of pumping, experiment terminates.
8) experimental data is processed, takes erosion sample 12 apart and do weighing treatment, evaluate erosion effect.
Dual-Phrase Distribution of Gas olid erosion flow：
1) source of the gas of gas-solid flow is produced air pressurized by air compressor machine 1, the body into air accumulator 2 of calming the anger of generation, is treated
When the tolerance and pressure of air accumulator 2 reach preset value, a gate valve 6 (No. two gate valves 16 have been switched off before starting) is opened, adjusted
Section valve opening；
2) regulating valve 5 that regulation sand hopper 3 has controls the content of sand grains；
3) gas into four-way chamber is mixed for the first time with sand grains, is sufficiently mixed in mixer again together after mixing,
The speed of gas-particle two-phase is caused after accelerated device 9 can be regarded as almost close to equally；
4) gas-solid mixing flows through nozzle 11 and is injected into erosion sample 12, and erosion is carried out to sample；
5) flow through liquid-solid separator 13 by the mixing of sample to separate, gas is escaped from the upper end outlet of liquid-solid separator 13,
Solid is separated and recovered into Sheng sand bottle 17.
Knowable to above-mentioned experiment flow：The erosion sample that the utility model solves traditional erosion experiment apparatus is only thin
Piece, sand grains mixes uneven with liquid, and sand grain content is uncontrollable, the problems such as material can not be recycled, it is considered to Oil/gas Well reality
Border erosion operating mode, liquid fixed double phase flow erosion and Dual-Phrase Distribution of Gas olid erosion flow are switched over using gate valve.Therefore the utility model phase
There is advantages below than existing erosion experiment apparatus：
1. the utility model can reproduce live two kinds of erosion operating modes, can preferably reflect the reality of field ground pipeline erosion
Border situation, can realize the precise control of flow and sand content, can quantify and two phase flow erosion pipeline is studied；
2. the utility model is provided with flow using the closing between gate valve can free switching liquid be solid or gas-solid erosion flow
Meter can be measured to liquids and gases flow, using the general erosion speed strangled after tachymeter recording nozzles of laser；
3. liquid or gas mix with sand grains and realize 2 mixing in this experimental provision so that mixed effect is better；
4. the utility model realizes recycling for material.Erosion mixed flow piping enters in the solid erosion flow of liquid
Liquid-solid separator 13 carries out the separation of liquid and solid, and liquid is transported to fluid reservoir 14 and reuses after separation, after separation
Solid sand grains is deposited in Sheng sand bottle 17；Erosion gas-solid flow is separated by pipeline into liquid-solid separator 13 in gas-solid erosion, gas
The separated device upper end outlet of body is escaped, and solid sand grains is deposited in Sheng sand bottle 17.
5. flexible pipe 10 is capable of achieving and the outlet of accelerator 9 and the import of nozzle 11 using flexible pipe of the two with compression fittings
Excellent sealing；Consider that flexible pipe 10 can be realized fixing because fluid by vibrating back and forth using the track on orbiting vane frame 18；
6. preferably to observe erosion effect, this erosion sample 12 is the plastic conduit of one section of reducing, and this pipeline pipe
Wall is thin, transparent, and erosion sample 12 is provided with the general record for strangling tachymeter realization to fluids within pipes speed of laser；
7. it is soft to change by the inclination angle for changing the middle orbit of cross mounted track 17 in order to simulate the situation that sample inclines erosion
Pipe 10 and vertical angle, realize the multi-angle problem of nozzle 11 and erosion sample 12.
Claims (4)
1. a kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, it is characterised in that including air compressor machine (1), air accumulator
(2), sand hopper (3), agitator (4), regulating valve (5), gate valve (6), four-way chamber (7), mixer (8), an accelerator
(9) flexible pipe (10), with compression fittings, nozzle (11), erosion sample (12), liquid-solid separator (13), fluid reservoir (14), from
Heart pump (15), No. two gate valves (16)；
, with three entrances and one outlet, the liquid-solid separator (13) is with an entrance and two for the four-way chamber (7)
Individual outlet, i.e. liquid outlet, solid outlet, the outlet of the four-way chamber (7), mixer (8), accelerator (9), flexible pipe
(10), nozzle (11), erosion sample (12), the entrance of liquid-solid separator (13) are sequentially connected；
Three entrances of the four-way chamber (7) are connected with regulating valve (5), gate valve (6), No. two gate valves (16) respectively, institute
Air compressor machine (1), air accumulator (2), a gate valve (6) is stated to be sequentially connected, the agitator (4) in sand hopper (3), the sand
Bucket (3) lower end be connected with regulating valve (5), the fluid reservoir (14) with export and entrance, the outlet of the fluid reservoir (14), from
Heart pump (15), No. two gate valves (16) are sequentially connected, the entrance of the fluid reservoir (14) and the liquid outlet of liquid-solid separator (13)
Connection.
2. a kind of liquid according to claim 1, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, it is characterised in that institute
State air accumulator (2), fluid reservoir and be equipped with pressure-regulating valve and flowmeter on (14).
3. a kind of liquid according to claim 1 and 2, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, it is characterised in that
The solid outlet lower section of the liquid-solid separator (13) is provided with Sheng sand bottle (17).
4. a kind of liquid according to claim 3, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device, it is characterised in that institute
State flexible pipe (10) and be provided with orbiting vane frame (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181821.0U CN206249696U (en) | 2016-10-27 | 2016-10-27 | A kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621181821.0U CN206249696U (en) | 2016-10-27 | 2016-10-27 | A kind of liquid, Dual-Phrase Distribution of Gas olid pipeline erosion demonstrating experiment device |
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| CN110160902A (en) * | 2019-05-06 | 2019-08-23 | 浙江理工大学 | Detachable loop-type gas-liquid-solid erosive wear combined test device |
| CN112082892A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Erosion resistance experiment device and method for three-high oil-gas well throttling valve |
| CN112082891A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Erosion resistance test method for three-high oil-gas well throttle valve |
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| CN114112759A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Erosion and wear experimental equipment |
| CN114324041A (en) * | 2021-12-22 | 2022-04-12 | 西南石油大学 | Device and method for testing influence of quantified water content on gas-solid erosion behavior |
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| CN108106956A (en) * | 2018-01-02 | 2018-06-01 | 苏州西热节能环保技术有限公司 | A kind of adjustable catalyst abrasion strength testing device of incidence angle |
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| CN109187251B (en) * | 2018-10-17 | 2024-03-12 | 宁波市产品质量监督检验研究院 | Visual gas-solid erosive wear test box |
| CN110160902A (en) * | 2019-05-06 | 2019-08-23 | 浙江理工大学 | Detachable loop-type gas-liquid-solid erosive wear combined test device |
| CN110160902B (en) * | 2019-05-06 | 2024-04-12 | 浙江理工大学 | Detachable annular gas-liquid-solid erosive wear combined test device |
| CN112082891A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Erosion resistance test method for three-high oil-gas well throttle valve |
| CN112082892A (en) * | 2019-06-14 | 2020-12-15 | 中国石油化工股份有限公司 | Erosion resistance experiment device and method for three-high oil-gas well throttling valve |
| CN114112759A (en) * | 2020-09-01 | 2022-03-01 | 中国石油化工股份有限公司 | Erosion and wear experimental equipment |
| CN115370329A (en) * | 2021-05-18 | 2022-11-22 | 中国石油天然气股份有限公司 | Gas well sand prevention evaluation experimental device and sand production prediction method |
| CN115370329B (en) * | 2021-05-18 | 2024-04-12 | 中国石油天然气股份有限公司 | Sand control evaluation experimental device for gas well and sand yield prediction method |
| CN113514359A (en) * | 2021-06-07 | 2021-10-19 | 北京航空航天大学 | Device for realizing erosion resistance test |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |