CN105043750A - Comprehensive test system for oil-gas mixed transportation pump valve - Google Patents
Comprehensive test system for oil-gas mixed transportation pump valve Download PDFInfo
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- CN105043750A CN105043750A CN201510539971.8A CN201510539971A CN105043750A CN 105043750 A CN105043750 A CN 105043750A CN 201510539971 A CN201510539971 A CN 201510539971A CN 105043750 A CN105043750 A CN 105043750A
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- oil
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Abstract
The invention discloses a comprehensive test system for an oil-gas mixed transportation pump valve. The system includes an oil-gas mixed transportation by-pass, a one-way valve test by-pass, an adjustment by-path, a circulation by-pass and a measurement control by-pass, wherein the oil-gas mixed transportation by-pass, the one-way valve test by-pass and the circulation by-pass are connected in an end to end manner, and the one-way valve test by-pass and the adjustment by-path are in parallel connection, and the oil-gas mixed transportation by-pass and the one-way valve test by-pass are connected with the measurement control by-pass. The oil-gas mixed transportation by-pass includes a gas channel, an oil channel and a mixed pressurization line, and the gas channel and the oil channel are in parallel connection, and the gas channel and the oil channel are both connected with the pressurization line. A gas flow meter and a liquid flow meter are both communicated with a static mixer. The circulation by-pass has an oil-gas separator communicated with an oil tank of the oil channel. The measurement control by-pass includes a multi-channel data acquiring device and a central processor which are connected with each other, and the multi-channel acquiring device is connected to a first pressure meter, a second pressure meter, a third pressure meter, a gas flow meter and a multi-phase flow meter.
Description
Technical field
The present invention relates to a kind of oil and gas multiphase flow pump valve comprehensive test system.
Background technology
In oil extraction process, the annual associated gas stock number of China is extremely huge, and in oil extraction process, associated gas is difficult to control relatively, and the associated gas of more than 70% is drained burning or slatterns, and causes the serious wasting of resources and environmental pollution.State Council's clear stipulaties in 12 energy-saving and emission-reduction planning will realize the recycling of oil gas association well rock gas, therefore, the natural gas source that effective recovery is limited, extinguishes oil field torch as early as possible, and reducing gas discharging is the Important Action advancing oil field energy saving emission reduction work.
In recent years, oil and gas multiphase flow technology starts to be promoted the use of by each elephant gradually, and multiphase pump is then the key equipment of whole oil-gas two-phase flow conveying, and its transportation performance directly affects mixed defeated effect and the stability of follow-up pipeline and equipment.Retaining valve is as main flow passage components simultaneously, not only plays a part conducting and blocks medium, also has and regulates the function such as pressure, prevention medium back flow.
Current Domestic has been carried out some and has been detected and scientific research in heterogeneous supercharging technology and exploration about polyphasic flow, but due to the complicacy of polyphasic flow and diversity, oil-gas mixed delivery pump, valve base plinth Test And Research Work are not solved well.For a long time, mostly the design of oil-gas mixed delivery pump is under declared working condition, be referred from liquid phase pump and carry out with test, and the research of oil gas two-phase valve is few especially.And in practical work process, oil-gas mixed delivery pump, valve are all subject to void fraction, flow, the isoparametric impact of suction discharge pressure, and when especially void fraction is more than 50%, the performance study of mixing pump, valve is urgently to be resolved hurrily especially.Therefore, be necessary to design a kind of test unit that can realize oil-gas mixed delivery pump under variable working condition, valve performance test.
Summary of the invention
In order to solve the problem, the invention provides a kind of oil and gas multiphase flow pump valve comprehensive test system of performance test research realizing multi-state oil-gas mixed delivery pump, valve.
Technical scheme of the present invention is:
A kind of oil and gas multiphase flow pump valve comprehensive test system, comprise air-fuel mixture to transport branch road, retaining valve test branch road, regulate bypass, circulation branch road and Survey control branch road, described air-fuel mixture transports branch road, branch road tested by retaining valve, circulation branch road joins end to end, described retaining valve test branch road and described adjustment bypass parallel connection, described air-fuel mixture transports branch road and is all connected with described Survey control branch road with retaining valve test branch road;
Described air-fuel mixture transports branch road and comprises gas circuit, oil circuit and mixing pressure piping, described gas circuit and the parallel connection of described oil circuit, and described gas circuit and described oil circuit are all connected with described mixing pressure piping; Described gas circuit comprises the air compressor, buffer tank, first throttle valve and the gas meter that connect successively; Described oil circuit comprises the fuel tank, second throttle, oil pump and the liquid flowmeter that connect successively; Described mixing pressure piping comprises the static mixer, the first tensimeter, oil-gas mixed delivery pump and the second tensimeter that connect successively; The gas meter of gas circuit and the liquid flowmeter of oil circuit are all communicated with the static mixer of mixing pressure piping;
Described retaining valve test branch road comprises the 3rd throttling valve, oil gas retaining valve, the 3rd tensimeter and the multi-phase flowmeter that connect successively;
Described adjustment bypass comprises by-pass pipe and is arranged on the 4th throttling valve on by-pass pipe;
Described circulation branch road comprises circulation pipe and is arranged on the oil-gas separator of circulation pipe end;
The oil-gas separator of described circulation branch road is communicated with the fuel tank of described oil circuit;
Described Survey control branch road comprises the multi-Channels Data Acquisition and central processing unit that are connected, described multi-Channels Data Acquisition is connected with multi-phase flowmeter with the first tensimeter, the second tensimeter, the 3rd tensimeter, gas meter, liquid flowmeter respectively, and described multi-Channels Data Acquisition gathers pressure and data on flows and is transported to described central processing unit.
Further, described air compressor is connected with the first motor.
Further, described oil pump is connected with the second motor, and described second motor is connected with the first frequency-variable controller.
Further, described oil-gas mixed delivery pump is connected with the 3rd motor, and described 3rd motor is connected with the second frequency-variable controller.
Further, the first non-return valve is provided with between described gas meter and static mixer.
Further, the second non-return valve is provided with between described liquid flowmeter and static mixer.
The invention has the beneficial effects as follows:
1, the problem that air-fuel mixture effect and accuracy of measurement under void fraction are on a large scale poor is solved, the test job of the critical data of oil-gas mixed delivery pump and oil gas retaining valve can be completed according to demand respectively, the research mixing conveying device for new and effective oil gas provides basic test condition, and simple to operation;
2, be applicable to the pump valve experimental study under the actual mixed defeated state of variable working condition, especially realize the simulation of gas liquid ratio operating mode on a large scale.
3, oil gas retaining valve can adopt organic glass model, is easy to carry out three-dimensional visible fractional analysis to it, conveniently carries out follow-up particle image velocimetry (PIV) research.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing
With reference to accompanying drawing, a kind of oil and gas multiphase flow pump valve comprehensive test system, comprise air-fuel mixture to transport branch road, retaining valve test branch road, regulate bypass, circulation branch road and Survey control branch road, described air-fuel mixture transports branch road, branch road tested by retaining valve, circulation branch road joins end to end, described retaining valve test branch road and described adjustment bypass parallel connection, described air-fuel mixture transports branch road and is all connected with described Survey control branch road with retaining valve test branch road;
Described air-fuel mixture transports branch road and comprises gas circuit, oil circuit and mixing pressure piping, described gas circuit and the parallel connection of described oil circuit, and described gas circuit and described oil circuit are all connected with described mixing pressure piping; Described gas circuit comprises the air compressor 1, buffer tank 25, first throttle valve 24 and the gas meter 22 that connect successively; Described oil circuit comprises the fuel tank 4, second throttle 3, oil pump 2 and the liquid flowmeter 21 that connect successively; Described mixing pressure piping comprises static mixer 18, first tensimeter 11, oil-gas mixed delivery pump 13 and the second tensimeter 12 that connect successively; The gas meter 22 of gas circuit and the liquid flowmeter 21 of oil circuit are all communicated with the static mixer 18 of mixing pressure piping;
Described retaining valve test branch road comprises the 3rd throttling valve 10, oil gas retaining valve 9, the 3rd tensimeter 7 and the multi-phase flowmeter 6 that connect successively;
Described adjustment bypass comprises by-pass pipe and is arranged on the 4th throttling valve 8 on by-pass pipe;
Described circulation branch road comprises circulation pipe and is arranged on the oil-gas separator 5 of circulation pipe end;
The oil-gas separator 5 of described circulation branch road is communicated with the fuel tank 4 of described oil circuit;
Described Survey control branch road comprises the multi-Channels Data Acquisition 16 and central processing unit 17 that are connected, described multi-Channels Data Acquisition 16 is connected with multi-phase flowmeter 6 with the first tensimeter 11, second tensimeter 12, the 3rd tensimeter 7, gas meter 22, liquid flowmeter 21 respectively, and described multi-Channels Data Acquisition 16 gathers pressure and data on flows and is transported to described central processing unit 17.
Further, described air compressor 1 is connected with the first motor 27.
Further, described oil pump 2 is connected with the second motor 26, and described second motor 26 is connected with the first frequency-variable controller 23.
Further, described oil-gas mixed delivery pump 13 is connected with the 3rd motor 14, and described 3rd motor 14 is connected with the second frequency-variable controller 15.
Further, the first non-return valve 20 is provided with between described gas meter 22 and static mixer 18.
Further, the second non-return valve 19 is provided with between described liquid flowmeter 21 and static mixer 18.
Oil pump 2 is driven by the second motor 26, and the first frequency-variable controller 23 pairs oil pump 2 realizes frequency control, the oil in fuel tank 4 successively through second throttle 3, oil pump 2, liquid flowmeter 21, second non-return valve 19 laggard enter static mixer 18.
Air compressor 1 is driven by the first motor 27, by air Injection surge tank 25, and by after first throttle valve 24 adjusting gas flow through gas meter 22, first non-return valve 20 laggard enter in static mixer 18.
Oil and air are thoroughly mixed to form gas-oil mixture, gas-oil mixture enters in the oil-gas mixed delivery pump 13 that driven by the 3rd motor 14 through the first tensimeter 11, second frequency-variable controller 15 pairs oil-gas mixed delivery pump 13 carries out frequency control, gas-oil mixture after oil-gas mixed delivery pump 13 pressurizes is entered by adjustment the 4th throttling valve 8 and the 3rd throttling valve 10 and regulates bypass or retaining valve test branch road after the second tensimeter 12, and final inflow oil-gas separator 5, after air is discharged, oil flows into fuel tank 4 again.
Liquid flowmeter 21, gas meter 22 are measured the oil of oil-gas mixed delivery pump 13, gas inlet flow rate respectively, the rate of discharge of multi-phase flowmeter 6 pairs of oil gas retaining valves 9 is measured, and the 3rd tensimeter 7, first tensimeter 11, second tensimeter 12 is measured the top hole pressure of oil gas retaining valve 9, the intake pressure of oil-gas mixed delivery pump 13 and top hole pressure respectively;
Second throttle 3, the 4th throttling valve 8, three throttling valve 10 and first throttle valve 24 respectively to the rate of discharge of fuel tank 4, regulate the flow of bypass, the retaining valve test flow of branch road, the rate of discharge of surge tank 25 regulates.
Multi-Channels Data Acquisition 16 gathers the data on flows of the pressure data of the 3rd tensimeter 7, first tensimeter 11, second tensimeter 12 and liquid flowmeter 21, gas meter 22, multi-phase flowmeter 6, and flowing to central processing unit 17, the data processing module of central processing unit processes the data gathered.
Second throttle 3, the 4th throttling valve 8, three throttling valve 10, first throttle valve 24 standard-sized sheet; Start the second motor 26, the 3rd motor 14, oil pump 2, oil-gas mixed delivery pump 13, regulate the second frequency-variable controller 15 to make oil-gas mixed delivery pump 13 reach rated pump speed, regulate the first frequency-variable controller 23 that the flow of oil pump 2 is remained unchanged; Start the first motor 27, air compressor 1; Regulate first throttle valve 24 to change the flow of gas, treat stable laggard row test.During test, by the performance test controlling the 4th throttling valve 8, the 3rd throttling valve 10 realizes oil-gas mixed delivery pump 13, oil gas retaining valve 9 respectively, by the simulation regulating the second frequency-variable controller 15, first frequency-variable controller 23 and first throttle valve 24 to realize the actual operating mode such as different flow, gas liquid ratio.
The performance test experiment of oil-gas mixed delivery pump 13:
Close the 3rd throttling valve 10, open the 4th throttling valve 8, second throttle 3, first throttle valve 24, carry out the performance test research of oil-gas mixed delivery pump.During test, read input voltage U, the input current I of the 3rd motor 14 of oil-gas mixed delivery pump 13 and the phase angle α of voltage and electric current, gathered by multi-Channels Data Acquisition 16 and central processing unit 17 and the reading Q of liquid flowmeter 21 under recording different operating mode
1, gas meter 22 reading Q
2, the first tensimeter 11 reading p
1, the second tensimeter 12 reading p
2, then gas liquid ratio
and then obtain the Specifeca tion speeification of oil-gas mixed delivery pump 13:
(1) pressure drop Δ p=p
2-p
1;
(2) useful power N
e=(p
2-p
1) (Q
1+ Q
2);
(3) power input N=UIcos α;
(4) efficiency
The performance test experiment of oil gas retaining valve 9:
Close the 4th throttling valve 8, open the 3rd throttling valve 10, second throttle 3, first throttle valve 24, carry out the performance test research of oil gas retaining valve 9.During test, gathered and recorded the reading Q of liquid flowmeter 21 under different operating mode by multi-Channels Data Acquisition 16 and central processing unit 17
1, gas meter 22 reading Q
2, the first tensimeter 11 reading p
1, the second tensimeter 12 reading p
2, the 3rd tensimeter 7 reading p
3, multi-phase flowmeter 6 reading Q
3, then gas liquid ratio
and then obtain the Specifeca tion speeification of oil gas retaining valve 9:
(1) pressure drop Δ p=p
3-p
2;
(2) compression property parameter
(3) coefficient of flow
in formula: A-valve port circulation area, ρ
m-gas-liquid mixed density, and
wherein ρ
gfor atmospheric density, ρ
lfor the density of oil.
Content described in this instructions embodiment is only enumerating the way of realization of inventive concept; protection scope of the present invention should not be regarded as being only limitted to the concrete form that embodiment is stated, protection scope of the present invention also comprises those skilled in the art and conceives the equivalent technologies means that can expect according to the present invention.
Claims (6)
1. an oil and gas multiphase flow pump valve comprehensive test system, comprise air-fuel mixture to transport branch road, retaining valve test branch road, regulate bypass, circulation branch road and Survey control branch road, described air-fuel mixture transports branch road, branch road tested by retaining valve, circulation branch road joins end to end, described retaining valve test branch road and described adjustment bypass parallel connection, described air-fuel mixture transports branch road and is all connected with described Survey control branch road with retaining valve test branch road;
Described air-fuel mixture transports branch road and comprises gas circuit, oil circuit and mixing pressure piping, described gas circuit and the parallel connection of described oil circuit, and described gas circuit and described oil circuit are all connected with described mixing pressure piping; Described gas circuit comprises the air compressor, buffer tank, first throttle valve and the gas meter that connect successively; Described oil circuit comprises the fuel tank, second throttle, oil pump and the liquid flowmeter that connect successively; Described mixing pressure piping comprises the static mixer, the first tensimeter, oil-gas mixed delivery pump and the second tensimeter that connect successively; The gas meter of gas circuit and the liquid flowmeter of oil circuit are all communicated with the static mixer of mixing pressure piping;
Described retaining valve test branch road comprises the 3rd throttling valve, oil gas retaining valve, the 3rd tensimeter and the multi-phase flowmeter that connect successively;
Described adjustment bypass comprises by-pass pipe and is arranged on the 4th throttling valve on by-pass pipe;
Described circulation branch road comprises circulation pipe and is arranged on the oil-gas separator of circulation pipe end;
The oil-gas separator of described circulation branch road is communicated with the fuel tank of described oil circuit;
Described Survey control branch road comprises the multi-Channels Data Acquisition and central processing unit that are connected, described multi-Channels Data Acquisition is connected with multi-phase flowmeter with the first tensimeter, the second tensimeter, the 3rd tensimeter, gas meter, liquid flowmeter respectively, and described multi-Channels Data Acquisition gathers pressure and data on flows and is transported to described central processing unit.
2. a kind of oil and gas multiphase flow pump valve comprehensive test system as claimed in claim 1, is characterized in that: described air compressor is connected with the first motor.
3. a kind of oil and gas multiphase flow pump valve comprehensive test system as claimed in claim 2, it is characterized in that: described oil pump is connected with the second motor, described second motor is connected with the first frequency-variable controller.
4. a kind of oil and gas multiphase flow pump valve comprehensive test system as claimed in claim 3, is characterized in that: described oil-gas mixed delivery pump is connected with the 3rd motor, and described 3rd motor is connected with the second frequency-variable controller.
5. a kind of oil and gas multiphase flow pump valve comprehensive test system as claimed in claim 4, is characterized in that: be provided with the first non-return valve between described gas meter and static mixer.
6. a kind of oil and gas multiphase flow pump valve comprehensive test system as claimed in claim 5, is characterized in that: be provided with the second non-return valve between described liquid flowmeter and static mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510539971.8A CN105043750A (en) | 2015-08-28 | 2015-08-28 | Comprehensive test system for oil-gas mixed transportation pump valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510539971.8A CN105043750A (en) | 2015-08-28 | 2015-08-28 | Comprehensive test system for oil-gas mixed transportation pump valve |
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| CN105043750A true CN105043750A (en) | 2015-11-11 |
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|---|---|---|---|
| CN201510539971.8A Pending CN105043750A (en) | 2015-08-28 | 2015-08-28 | Comprehensive test system for oil-gas mixed transportation pump valve |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107655667A (en) * | 2017-09-20 | 2018-02-02 | 河南工业大学 | A kind of automatic control system for being vented valve detection device |
| CN107762824A (en) * | 2017-11-28 | 2018-03-06 | 黄山工业泵制造有限公司 | A kind of test voltage-regulating system for oil-gas mixed delivery pump |
| CN109915355A (en) * | 2019-03-15 | 2019-06-21 | 华域皮尔博格泵技术有限公司 | Machine oil pump test device and its application method |
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| CN107655667A (en) * | 2017-09-20 | 2018-02-02 | 河南工业大学 | A kind of automatic control system for being vented valve detection device |
| CN107762824A (en) * | 2017-11-28 | 2018-03-06 | 黄山工业泵制造有限公司 | A kind of test voltage-regulating system for oil-gas mixed delivery pump |
| CN107762824B (en) * | 2017-11-28 | 2023-11-24 | 黄山工业泵制造有限公司 | Test pressure regulating system for oil-gas mixing pump |
| CN109915355A (en) * | 2019-03-15 | 2019-06-21 | 华域皮尔博格泵技术有限公司 | Machine oil pump test device and its application method |
| CN109915355B (en) * | 2019-03-15 | 2023-10-13 | 华域皮尔博格泵技术有限公司 | Engine oil pump test device and use method thereof |
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Application publication date: 20151111 |