CN110849582A - Multiphase flow experimental device - Google Patents
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- CN110849582A CN110849582A CN201911229594.2A CN201911229594A CN110849582A CN 110849582 A CN110849582 A CN 110849582A CN 201911229594 A CN201911229594 A CN 201911229594A CN 110849582 A CN110849582 A CN 110849582A
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Abstract
The invention relates to a multiphase flow experimental device, in particular to an oil-water-gas three-phase flow experimental device, belonging to the technical field of oil and natural gas engineering. Mainly comprises an air compressor, an oil tank, a water tank, a mixed storage tank, a flow pattern generator and an experimental pipe, wherein the air compressor, the oil tank and the water tank are respectively connected in parallel to the flow pattern generator through a gas pipeline, an oil flow pipeline and a water flow pipeline to generate two-phase flow or three-phase flow and different flow patterns, the flow pattern generator is connected with the mixed storage tank through a mixed pipeline, the mixing pipeline is provided with an experimental tube for experimental research, the experimental tube is arranged on an experimental tube regulator, the mounting angle of the experiment pipe is changed by the experiment pipe regulator to simulate a fluctuating pipeline, the mixed storage tank is respectively connected with the oil tank and the water tank by the oil flow loop and the water flow loop which are connected in parallel, so that the mixed storage tank can be recycled in the oil and water multiphase flow experiment, meanwhile, the influence of different temperatures, different flow rates, different flow patterns, different pipe diameters, main flow and secondary flow and fluctuating pipelines on a multiphase flow experiment can be obtained.
Description
Technical Field
The invention relates to a multiphase flow experimental device, in particular to an oil-water-gas three-phase flow experimental device, belonging to the technical field of oil and natural gas engineering.
Background
In recent years, there has been an increasing research on multiphase flow both domestically and abroad, mainly because multiphase flow has an important impact not only on many industrial processes but also on the modernization of industrial machines. Industrial processes involving multiphase flow are relatively extensive and include energy, power, petroleum, chemical, metallurgical, and the like. In the process of oil and gas exploitation and transportation, the method is of great importance for the detection of multiphase flow, and the multiphase flow detection technology is the most effective and direct method for solving the problem. Although the flow meters which can be applied to industrial fields have been developed, the flow meters do not have the function of detecting any flow pattern and any phase. The multiphase flow experimental device is an important means for researching the problem of oil-water-gas multiphase flow, and has an important position in both the research on theoretical problems and the verification on actual operation data. Many laboratories and universities at home and abroad have established own multiphase flow experimental devices, but the developed experimental equipment does not distinguish the influence of main flow and secondary flow on the experiment in an oil-water two-phase flow experiment and an oil-water-gas three-phase flow experiment, and cannot well simulate the actual motion form of multiphase flow; the fluctuation pipeline is not tested, and the actual motion condition of the multiphase flow in the fluctuation pipeline cannot be obtained; and the influence of temperature and flow on the experiment is not involved, and the influence on multiphase flow under the action of different temperatures and flows cannot be obtained. Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a multiphase flow experimental apparatus capable of performing experimental research on a fluctuating pipeline and obtaining the influence of main flow, secondary flow, temperature and flow rate on the experiment.
Disclosure of Invention
In view of the above, the technical problems to be solved by the present invention are: how to provide a multiphase flow experimental apparatus which can carry out experimental research on a fluctuating pipeline and can obtain the influence of main flow, secondary flow, temperature and flow on the experiment. The technical scheme is as follows:
the utility model provides a heterogeneous class of experimental apparatus, includes air compressor, oil tank, water pitcher, mixing storage jar and experiment pipe, its characterized in that: air compressor, oil tank, water pitcher respectively through gas line, oil flow pipeline, rivers pipeline with flow pattern generator connects, flow pattern generator pass through the hybrid piping with the hybrid storage jar is connected, gas line sets gradually valve one, the steady voltage gas holder that has the manometer, manometer one, flowmeter one and valve two on the road, oil flow pipeline sets gradually valve three, pump one, thermometer one, flowmeter two and valve four on the road, water flow pipeline sets gradually valve five, pump two, thermometer two, flowmeter three and valve six on the road valve seven, manometer two, thermometer three, experimental pipe and valve eight on the hybrid piping in proper order, the experimental pipe both ends are passed through connecting hose and are inserted the hybrid piping, the hybrid storage jar passes through the oil flow return circuit and is connected with the oil tank, is connected through water flow return circuit and water pitcher, the oil tank is characterized in that a valve nine and a pump III are sequentially arranged on the oil flow path, a valve ten and a pump IV are sequentially arranged on the water flow path, a heater I is arranged inside the oil tank, a temperature display I is arranged outside the oil tank, a heater II is arranged inside the water tank, a temperature display II is arranged outside the water tank, and an air outlet valve is arranged on the mixed storage tank.
As a further improvement of the technical scheme, the flow pattern generator and the experiment tube are both made of transparent materials.
As a further improvement of the technical scheme, an air outlet is formed in the upper portion of the mixing storage tank, and the air outlet valve is arranged on the outer side of the air outlet. The mixed storage tank separates gas, oil and water through gravity settling, separated gas is discharged from a gas outlet, separated oil is reinjected to the oil tank under the action of the pump III, and separated water is reinjected to the water tank under the action of the pump IV.
As a further improvement of the technical solution, the gas pipeline, the oil flow pipeline and the water flow pipeline are connected in parallel, and the oil flow loop and the water flow loop are connected in parallel.
As a further improvement of the technical scheme, the flow pattern generator comprises a flow pattern generating pipe and a flow pattern observing pipe, wherein the flow pattern generating pipe is connected through a flange, and the inner diameters of the flow pattern generating pipe and the flow pattern observing pipe are equal. The flow pattern generating pipe comprises an inlet straight pipe section, a taper pipe flow guiding section and a flow pattern generating section, wherein the inlet straight pipe section, the taper pipe flow guiding section and the flow pattern generating section are of an integrated structure, the wall thickness of the inlet straight pipe section, the taper pipe flow guiding section and the flow pattern generating section are equal, a main flow inlet is formed in the inlet straight pipe section, a secondary flow inlet and a gas inlet are formed in the flow pattern generating section, the secondary flow inlet and the gas inlet are respectively two and distributed in a staggered mode around the rotation axis of the flow pattern generating pipe, and the flow pattern observing pipe comprises an observing section and a flow pattern.
As a further improvement of the technical scheme, the multiphase flow experimental device further comprises an experimental tube adjuster for placing an experimental tube, the experimental tube adjuster comprises a support, an angle adjusting rod is connected to the support through a thread, one end of the angle adjusting rod is fixedly connected with a vertical plate, an upper connecting plate and a lower positioning plate are respectively fixedly connected with the vertical plate, a height adjusting rod is connected to the upper connecting plate through a thread, and the lower end of the height adjusting rod is rotatably connected with the upper positioning plate.
As a further improvement of the technical scheme, a sliding groove is formed in one side face of the vertical plate, and a sliding block matched with the sliding groove is arranged on one side, opposite to the vertical plate, of the upper positioning plate. The upper surface of the lower positioning plate and the lower surface of the upper positioning plate are arc surfaces with the same curvature radius, and the curvature radius of the arc surfaces is larger than that of the clamped experimental tube.
Compared with the prior art, the invention has the following beneficial effects: the invention provides a multiphase flow experimental device, which mainly comprises an air compressor, an oil tank, a water tank, a mixed storage tank, a flow pattern generator and an experimental pipe, wherein the air compressor, the oil tank and the water tank are respectively connected into the flow pattern generator in parallel through a gas pipeline, an oil flow pipeline and a water flow pipeline to generate two-phase flow or three-phase flow and different flow patterns, the flow pattern generator is connected with the mixed storage tank through a mixing pipeline, the experimental pipe is arranged on the mixing pipeline and used for experimental study, the experimental pipe is arranged on an experimental pipe regulator, the installation angle of the experimental pipe is changed through the experimental pipe regulator to simulate a fluctuating pipeline, the mixed storage tank is respectively connected with the oil tank and the water tank through an oil flow loop and a water flow loop which are connected in parallel, so that the multiphase flow experimental device can be recycled in an oil and water multiphase flow experiment, the continuous, Influence of different flow rates, different flow patterns, different pipe diameters, main flow and secondary flow and fluctuating pipelines (the experimental pipes are arranged at different installation angles) on the multiphase flow experiment.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1: the invention has the overall structure schematic diagram;
FIG. 2: the structure schematic diagram of the experimental tube regulator is shown;
FIG. 3: the structure of the flow pattern generator is shown schematically.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Referring to fig. 1, a first embodiment of the present invention: the utility model provides a heterogeneous class experimental apparatus, mainly include air compressor 1, oil tank 2, water pitcher 3, mixing storage jar 4 and experiment pipe 6, wherein, air compressor 1, oil tank 2, water pitcher 3 are respectively through gas pipeline 36, oil flow pipeline 37, water flow pipeline 38 inserts flow pattern generator 5 in parallel, flow pattern generator 5 passes through mixing pipeline 39 and is connected with mixing storage jar 4, be provided with experiment pipe 6 on the mixing pipeline 39, mixing storage jar 4 is connected with oil tank 2, water pitcher 3 respectively through parallelly connected oil flow return circuit 41 and water flow return circuit 42. The flow pattern generator 5 of the present invention is used to mix different phase flows to generate a flow pattern required for an experiment, and the observation experiment is performed on the different flow patterns generated by the flow pattern generator through the experiment tube 6. The gas pipeline 36 is sequentially provided with a first valve 26 for opening and closing the gas pipeline 36, a pressure stabilizing gas storage tank 16 with a pressure gauge, a first pressure gauge 8 for measuring the pressure in the gas pipeline 36, a first flowmeter 13 for measuring the flow in the gas pipeline 36 and a second valve 27 for adjusting the gas flow, namely a gas flow adjusting valve, and the purpose of adjusting the flow is realized by adjusting the opening degree of the second valve 27; a valve III 28 for opening and closing the oil flow pipeline 37, a pump I17 for pumping oil to the flow pattern generator 5, a thermometer I10 for measuring the temperature in the oil flow pipeline 37, a flowmeter II 14 for measuring the flow in the oil flow pipeline 37 and a valve IV 29 for adjusting the oil flow, namely an oil flow adjusting valve, are sequentially arranged on the oil flow pipeline 37, and the purpose of adjusting the flow is realized by adjusting the opening degree of the valve IV 29; the water flow pipeline 38 is sequentially provided with a valve five 30 for opening and closing the water flow pipeline 38, a pump two 18 for pumping water to the flow pattern generator 5, a thermometer two 11 for measuring the temperature in the water flow pipeline 38, a flowmeter three 15 for measuring the flow rate in the water flow pipeline 38 and a valve six 31 for adjusting the water flow rate, namely a water flow rate adjusting valve, specifically, the purpose of adjusting the flow rate is realized by adjusting the opening degree of the valve six 31, and it should be noted that the valve two 27, the valve four 29 and the valve six 31 are flow rate adjusting valves.
Referring to fig. 1, a valve seventh 32 for controlling opening and closing of the mixing pipeline 39, a pressure gauge second 9 for measuring pressure in the mixing pipeline 39, a temperature gauge third 12 for measuring temperature in the mixing pipeline 39, an experiment tube 6 for performing experiments on different flow patterns and fluctuating pipelines (which means that the experiment tube 6 is in different positions including a horizontal position, a vertical position and any other angle positions), and a valve eighth 33 for adjusting flow of the mixed flow, namely, a mixed flow adjusting valve, are sequentially arranged on the mixing pipeline 39, specifically, the purpose of adjusting the flow is achieved by adjusting the opening degree of the valve eighth 33, and it is to be noted that the valve eighth 33 of the present invention is also a flow adjusting valve.
Referring to fig. 1, a valve nine 34 for controlling opening and closing of the oil flow loop 41 and a pump three 19 for pumping oil to the oil tank 2 are sequentially arranged on the oil flow loop 41, a valve ten 35 for controlling opening and closing of the water flow loop 42 and a pump four 20 for pumping water to the water tank 3 are sequentially arranged on the water flow loop 42, wherein an air outlet is arranged at the upper part of the mixing storage tank 4, an air outlet valve 25 is arranged at the outer side of the air outlet, the gas, the oil and the water are separated by gravity settling in the mixing storage tank 4, the air outlet valve 25 is opened, the separated gas is discharged from the air outlet, the separated oil is re-injected to the oil tank 2 under the action of the pump three 19, and the separated water is re-injected to the water tank 3 under the action of the pump four 20.
In order to study the influence of different temperatures on multiphase flow experiments, a first heater 21 is arranged inside the oil tank 2 and used for heating oil in the oil tank 2, a first temperature display 23 is arranged outside the oil tank 2 and used for displaying the temperature of the oil in the oil tank 2, heating is stopped for heat preservation after the oil reaches a set temperature, a second heater 22 is arranged inside the water tank 3 and used for heating water in the water tank 3, and a second temperature display 24 is arranged outside the water tank 3 and used for displaying the temperature of the water in the water tank 3, and heating is stopped for heat preservation after the water reaches the set temperature. The multiphase flow passes through the flow pattern generator 5 to obtain the flow pattern required by the experiment, the multiphase flow of the flow pattern required by the experiment is tested in the experiment tube 6 at different temperatures to obtain the influence of different temperatures on the multiphase flow experiment, and the experiment temperature in the experiment tube 6 is read out through the third thermometer 12.
In order to research the influence of different flow rates on a multiphase flow experiment, a second valve 27 for adjusting the gas flow rate and a first flowmeter 13 for measuring the gas flow rate in the gas pipeline 36 are arranged on the gas pipeline 36, a fourth valve 29 for regulating the flow rate of the oil flow and a second flow meter 14 for measuring the flow rate of the oil flow in the oil flow line 37 are arranged on the oil flow line 37, a valve six 31 for adjusting the flow rate of the water and a flow meter three 15 for measuring the flow rate of the water in the water flow line 38 are provided on the water flow line 38, the flow rates of the gas, the oil flow and the water flow flowing into the flow pattern generator 5 are respectively changed by adjusting a second valve 27, a fourth valve 29 and a sixth valve 31, and it should be noted that the flow rate change is understood that the ratio of each phase is constant, only the total amount is increased or decreased, the multiphase flow with different flow rates is tested in the test tube 6, the influence of different flow rates on the multiphase flow test is obtained, and the test flow rate in the test tube 6 is read out through the flow meter IV 16.
In order to observe the experiment, the flow pattern generator 5 and the experiment tube 6 are made of transparent materials, wherein the experiment tube 6 is preferably a glass fiber reinforced plastic transparent tube.
In order to research the influence of different flow patterns on a multiphase flow experiment, the invention is provided with the flow pattern generator 5, the flow pattern required by the experiment is generated by the flow pattern generator 5, different flow patterns are obtained by changing the ratio of three phases of gas, oil and water entering the flow pattern generator 5, wherein the ratio of the three phases of gas, oil and water can be realized by respectively adjusting a valve II 27, a valve IV 29 and a valve VI 31, and it is required to be noted that the flow change is understood to be the change of the ratio of each phase, but the total amount of mixed fluid is not changed. The influence of different flow patterns on the multiphase flow experiment is obtained by performing experiments on the multiphase flow of different flow patterns in the experiment pipe 6.
In order to study the influence of the main flow and the secondary flow on the multiphase flow experiment, as shown in fig. 3, the flow pattern generator 5 of the invention comprises a flow pattern generating pipe and a flow pattern observing pipe, wherein the flow pattern generating pipe is connected through a flange and has the same inner diameter, the flow pattern generating pipe comprises an inlet straight pipe section 54, a conical pipe flow guide section 55 and a flow pattern generating section 56, the inlet straight pipe section, the conical pipe flow guide section 55 and the flow pattern generating section 56 are of an integrated structure and have the same wall thickness, a main flow inlet 51 is arranged on the inlet straight pipe section 54, a secondary flow inlet 52 and a gas inlet 53 are arranged on the flow pattern generating section 56, the secondary flow inlet 52 and the gas inlet 53 are respectively provided with two same mechanism size, the two mechanisms are distributed in a staggered mode around the rotation axis of the flow pattern generating pipe and are positioned at the same height, and.
(1) Oil-water two-phase flow experiment with oil as the main flow:
the components of the gas line 36 are not in operation, i.e., are in a closed state. The parts on the oil flow line 37 are operated, i.e., in an open state: the first heater 21 and the first temperature display 23 are opened to carry out heating and temperature display, the third valve 28 and the fourth valve 29 are opened, the first pump 17 is started, the first thermometer 10 measures the temperature, and the second flowmeter 14 measures the flow; the components of the water flow line 38 are operational, i.e., in an open position: the second heater 22 and the second temperature display 24 are opened to respectively perform heating and temperature display, the fifth valve 30 and the sixth valve 31 are opened, the second pump 18 is started, the second thermometer 11 measures the temperature, and the third flowmeter 15 measures the flow; the oil flow in the oil flow pipeline 37 flows into the flow pattern generation section 56 of the flow pattern generator 5 from the main flow inlet 51, the water flow in the water flow pipeline 38 flows into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the water flow flows into the flow pattern observation pipe through the four inlets, uniform and stable flow patterns can be obtained more easily, and the flow patterns are stabilized in the flow pattern observation pipe and then enter the mixing pipeline 39; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(2) Oil-water two-phase flow experiment with water as the main flow:
the components of the gas line 36 are not in operation, i.e., are in a closed state. The parts on the oil flow line 37 are operated, i.e., in an open state: the first heater 21 and the first temperature display 23 are opened to carry out heating and temperature display, the third valve 28 and the fourth valve 29 are opened, the first pump 17 is started, the first thermometer 10 measures the temperature, and the second flowmeter 14 measures the flow; the components of the water flow line 38 are operational, i.e., in an open position: the second heater 22 and the second temperature display 24 are opened to respectively perform heating and temperature display, the fifth valve 30 and the sixth valve 31 are opened, the second pump 18 is started, the second thermometer 11 measures the temperature, and the third flowmeter 15 measures the flow; the water flow in the water flow pipeline 38 flows into the flow pattern generation section 56 from the main flow inlet 51, the oil flow in the oil flow pipeline 37 flows into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the oil flow flows into the uniform and stable flow pattern through the four inlets, and the flow pattern enters the mixing pipeline 39 after being stabilized in the flow pattern observation pipe; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(3) Oil, water, gas three-phase flow experiment with oil as the main flow:
the components on the gas line 36 are operational, i.e. in an open state: the air compressor 1 is started, the first valve 26 and the second valve 27 are opened, gas of the air compressor 1 enters a pressure stabilizing air storage tank 16 with a pressure gauge, the pressure of the gas in the tank is stabilized, the pressure stabilizing value is measured at the same time, the first pressure gauge 8 measures pressure, and the first flow meter 13 measures air flow, wherein the first flow meter 13 is an air flow meter. The parts on the oil flow line 37 are operated, i.e., in an open state: the first heater 21 and the first temperature display 23 are opened to carry out heating and temperature display, the third valve 28 and the fourth valve 29 are opened, the first pump 17 is started, the first thermometer 10 measures the temperature, and the second flowmeter 14 measures the flow; the components of the water flow line 38 are operational, i.e., in an open position: the second heater 22 and the second temperature display 24 are opened to respectively perform heating and temperature display, the fifth valve 30 and the sixth valve 31 are opened, the second pump 18 is started, the second thermometer 11 measures the temperature, and the third flowmeter 15 measures the flow; the oil flow in the oil flow pipeline 37 flows into the flow pattern generation section 56 from the main flow inlet 51, the water flow in the water flow pipeline 38 and the gas in the gas pipeline 36 respectively flow into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the water flow and the gas respectively flow into the flow pattern generation section 56 through two symmetrical inlets, uniform and stable flow patterns can be obtained easily, and the flow patterns enter the mixing pipeline 39 after being stabilized in the flow pattern observation pipe; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(4) Oil, water, gas three-phase flow experiment with water as the main flow:
the components on the gas line 36 are operational, i.e. in an open state: starting the air compressor 1, opening a first valve 26 and a second valve 27, allowing gas of the air compressor 1 to enter a pressure stabilizing gas storage tank 16 with a pressure gauge, stabilizing the pressure of the gas in the tank and simultaneously measuring a pressure stabilizing value, wherein the first pressure gauge 8 measures the pressure, and the first flow meter 13 measures the air flow; the parts on the oil flow line 37 are operated, i.e., in an open state: the first heater 21 and the first temperature display 23 are opened to carry out heating and temperature display, the third valve 28 and the fourth valve 29 are opened, the first pump 17 is started, the first thermometer 10 measures the temperature, and the second flowmeter 14 measures the flow; the components of the water flow line 38 are operational, i.e., in an open position: the second heater 22 and the second temperature display 24 are opened to respectively perform heating and temperature display, the fifth valve 30 and the sixth valve 31 are opened, the second pump 18 is started, the second thermometer 11 measures the temperature, and the third flowmeter 15 measures the flow; the water flow in the water flow pipeline 38 flows into the flow pattern generation section 56 from the main flow inlet 51, the oil flow in the oil flow pipeline 37 and the gas in the gas pipeline 36 respectively flow into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the oil flow and the gas respectively flow into the flow pattern generation section through two symmetrical inlets, so that a uniform and stable flow pattern can be obtained easily, and the flow pattern enters the mixing pipeline 39 after being stabilized in the flow pattern observation pipe; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(5) Oil, gas two-phase flow experiment with oil as the mainstream:
the components on the gas line 36 are operational, i.e. in an open state: starting the air compressor 1, opening a first valve 26 and a second valve 27, allowing gas of the air compressor 1 to enter a pressure stabilizing gas storage tank 16 with a pressure gauge, stabilizing the pressure of the gas in the tank and simultaneously measuring a pressure stabilizing value, wherein the first pressure gauge 8 measures the pressure, and the first flow meter 13 measures the air flow; the parts on the oil flow line 37 are operated, i.e., in an open state: the first heater 21 and the first temperature display 23 are opened to carry out heating and temperature display, the third valve 28 and the fourth valve 29 are opened, the first pump 17 is started, the first thermometer 10 measures the temperature, and the second flowmeter 14 measures the flow; the components of the water flow line 38 are not in operation, i.e., are in a closed state; the oil flow in the oil flow pipeline 37 flows into the flow pattern generation section 56 from the main flow inlet 51, the gas in the gas pipeline 36 flows into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the gas flows into the uniform and stable flow pattern through the four inlets, and the flow pattern is stabilized in the flow pattern observation tube and then enters the mixing pipeline 39; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(6) Water, gas two-phase flow experiment with water as the main flow:
the components on the gas line 36 are operational, i.e. in an open state: starting the air compressor 1, opening a first valve 26 and a second valve 27, allowing gas of the air compressor 1 to enter a pressure stabilizing gas storage tank 16 with a pressure gauge, stabilizing the pressure of the gas in the tank and simultaneously measuring a pressure stabilizing value, wherein the first pressure gauge 8 measures the pressure, and the first flow meter 13 measures the air flow; the components on the oil flow line 37 are not operated, i.e., are in a closed state; the components of the water flow line 38 are operational, i.e., in an open position: the second heater 22 and the second temperature display 24 are opened to respectively perform heating and temperature display, the fifth valve 30 and the sixth valve 31 are opened, the second pump 18 is started, the second thermometer 11 measures the temperature, and the third flowmeter 15 measures the flow; the water flow in the water flow pipeline 38 flows into the flow pattern generation section 56 from the main flow inlet 51, the gas in the gas pipeline 36 flows into the flow pattern generation section 56 from the secondary flow inlet 52 and the gas inlet 53, the gas flows into the uniform and stable flow pattern through the four inlets, and the flow pattern enters the mixing pipeline 39 after being stabilized in the flow pattern observation pipe; the components of the mixing line 39 are operated, i.e. in the open state: opening a seventh valve 32 and an eighth valve 33, measuring the pressure by a second pressure gauge 9 and the temperature by a third thermometer 12, and allowing the oil-water mixed liquid to flow through the experiment pipe 6 and then enter the mixed storage tank 4; the outlet valve 25 is closed, and the components of the oil flow circuit 41 and the water flow circuit 42 are not operated, i.e., are in a closed state.
(7) Oil, water, gas three-phase flow separation experiment:
the gas line 36, the oil flow line 37, and the water flow line 38 are not in operation, i.e., are in a closed state, and the multiphase flow (two-phase or three-phase fluid) is not flowing into the mixing storage tank 4; firstly, opening the gas outlet valve 25 to discharge gas; after the air is exhausted, all parts of the oil flow loop 41 work, namely, are in an open state, at the moment, the valve nine 34 is opened, the pump three 19 is started, the oil separated through gravity settling is injected back to the oil tank 2 under the action of the pump three 19, after the oil is extracted, all parts on the water flow loop 42 work, namely, are in an open state, at the moment, the valve ten 35 is opened, the pump four 20 is started, the water separated through gravity settling is injected back to the water tank 3 under the action of the pump four 20, and then the oil, water and gas three-phase flow separation and reinjection are completed.
Second embodiment of the invention: in order to complete experimental research on the fluctuating pipeline and obtain the actual motion condition of the multiphase flow on the fluctuating pipeline, the multiphase flow experimental device is further provided with an experimental pipe adjuster 7 for installing the experimental pipe 6, as shown in fig. 2, the experimental pipe adjuster 7 comprises a support 71, an angle adjusting rod 72 is connected to the support 71 in a threaded manner, the installation angle of the experimental pipe 6 is changed by rotating the angle adjusting rod 72, for example, the experimental pipe 6 and the horizontal plane form any angle of 0 degree, 30 degrees, 45 degrees, 60 degrees, 90 degrees or other angles, and the actual motion condition of the multiphase flow on the fluctuating pipeline is obtained by carrying out experimental research on the flow state of the multiphase flow under different angles, namely the influence of the fluctuating pipeline on the multiphase flow experiment is obtained. Specifically, one end of the angle adjusting rod 72 is fixedly connected with the vertical plate 73, the upper connecting plate 74 and the lower positioning plate 75 are fixedly connected with the vertical plate 73 respectively, the upper connecting plate 74 is in threaded connection with a height adjusting rod 76, and the lower end of the height adjusting rod 76 is rotatably connected with the upper positioning plate 77. It should be noted that: the angle adjusting rod 72 and the height adjusting rod 76 are provided with screw threads and are respectively in threaded connection with the threaded holes on the bracket 71 and the upper connecting plate 74, and the part of the lower end of the height adjusting rod 76 connected with the upper positioning plate 77 is not provided with screw threads. The upper positioning plate 77 is driven by rotating the height adjusting rod 76 to move up and down along the vertical plate 73 to clamp the experimental pipes 6 with different pipe diameters, so that experimental research on multiphase flow with different pipe diameters is realized, and the influence of different pipe diameters on multiphase flow experiments is obtained. Specifically, a sliding groove is formed in one side surface of the vertical plate 73, a sliding block matched with the sliding groove is arranged on one side of the upper positioning plate 77 opposite to the vertical plate 73, the sliding block and the sliding groove form a sliding mechanism, and the upper positioning plate 77 can slide up and down relative to the vertical plate 73 through the sliding mechanism. In addition, the upper surface of the lower positioning plate 75 and the lower surface of the upper positioning plate 77 are arc surfaces with the same curvature radius, and the curvature radius of the arc surfaces is larger than that of the clamped experimental tube 6, so that the reliable clamping of the experimental tube 6 without the tube diameter is realized. For preventing that lower locating plate 75 and upper locating plate 77 from leading to experiment pipe 6 to damage greatly to the power of holding that adds of experiment pipe 6, can set up the protection cushion at lower locating plate 75 upper surface and upper locating plate 77 lower surface, the protection cushion can be rubber pad, silica gel pad or other have certain elastic cushion.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a heterogeneous class of experimental apparatus, includes air compressor, oil tank, water pitcher, mixing storage jar and experiment pipe, its characterized in that: the air compressor, the oil tank and the water tank are respectively connected with the flow pattern generator through a gas pipeline, an oil flow pipeline and a water flow pipeline, and the flow pattern generator is connected with the mixing storage tank through a mixing pipeline. The gas pipeline has set gradually valve one, the steady voltage gas holder that has the manometer, manometer one, flowmeter one and valve two on the road, valve three, pump one, thermometer one, flowmeter two and valve four have set gradually on the road of oil flow pipeline, valve five, pump two, thermometer two, flowmeter three and valve six have set gradually valve seven, manometer two, thermometer three, experiment pipe and valve eight on the road of mixing pipe, the experiment pipe both ends are passed through coupling hose and are inserted mixing pipeline, mixed storage jar passes through the oil flow return circuit and is connected with the oil tank, is connected with the water pitcher through the water flow return circuit, valve nine and pump three have set gradually on the oil flow return circuit, valve ten and pump four have set gradually on the water flow return circuit. The oil tank is internally provided with a first heater and externally provided with a first temperature display, the water tank is internally provided with a second heater and externally provided with a second temperature display, and the mixed storage tank is provided with an air outlet valve.
2. A multiphase flow experimental apparatus according to claim 1, wherein: the flow pattern generator and the experiment tube are both made of transparent materials.
3. A multiphase flow experimental apparatus according to claim 1, wherein: the upper part of the mixing storage tank is provided with a gas outlet, and the gas outlet valve is arranged outside the gas outlet.
4. A multiphase flow experimental apparatus according to claim 1, wherein: the mixed storage tank separates gas, oil and water through gravity settling, separated gas is discharged from a gas outlet, separated oil is reinjected to the oil tank under the action of the pump III, and separated water is reinjected to the water tank under the action of the pump IV.
5. A multiphase flow experimental apparatus according to claim 1, wherein: the gas pipeline, the oil flow pipeline and the water flow pipeline are connected in parallel, and the oil flow loop and the water flow loop are connected in parallel.
6. A multiphase flow experimental apparatus according to claim 1, wherein: the flow pattern generator comprises a flow pattern generating pipe and a flow pattern observing pipe, wherein the flow pattern generating pipe is connected through a flange, and the inner diameters of the flow pattern generating pipe and the flow pattern observing pipe are equal.
7. A multiphase flow experimental apparatus according to claim 6, wherein: the flow pattern generating pipe comprises an inlet straight pipe section, a taper pipe flow guiding section and a flow pattern generating section, wherein the inlet straight pipe section, the taper pipe flow guiding section and the flow pattern generating section are of an integrated structure, the wall thickness of the inlet straight pipe section, the taper pipe flow guiding section and the flow pattern generating section are equal, a main flow inlet is formed in the inlet straight pipe section, a secondary flow inlet and a gas inlet are formed in the flow pattern generating section, the secondary flow inlet and the gas inlet are respectively two and distributed in a staggered mode around the rotation axis of the flow pattern generating pipe, and the flow pattern observing pipe comprises an observing section and a flow pattern.
8. A multiphase flow experimental apparatus according to claim 1, wherein: the device comprises a vertical plate, a vertical plate and an experiment tube regulator, and is characterized by further comprising an experiment tube regulator used for placing an experiment tube, wherein the experiment tube regulator comprises a support, an angle adjusting rod is connected to the support in a threaded mode, and one end of the angle adjusting rod is fixedly connected with the vertical plate. The upper connecting plate and the lower positioning plate are fixedly connected with the vertical plate respectively, a height adjusting rod is in threaded connection with the upper connecting plate, and the lower end of the height adjusting rod is rotatably connected with the upper positioning plate.
9. A multiphase flow experimental apparatus according to claim 8, wherein: a sliding groove is formed in one side face of the vertical plate, and a sliding block matched with the sliding groove is arranged on one side, opposite to the vertical plate, of the upper positioning plate.
10. A multiphase flow experimental apparatus according to claims 8 and 9, characterized in that: the upper surface of the lower positioning plate and the lower surface of the upper positioning plate are arc surfaces with the same curvature radius, and the curvature radius of the arc surfaces is larger than that of the clamped experimental tube.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229594.2A CN110849582A (en) | 2019-12-04 | 2019-12-04 | Multiphase flow experimental device |
| PCT/CN2020/127158 WO2021109797A1 (en) | 2019-12-04 | 2020-11-06 | Multiphase flow experiment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911229594.2A CN110849582A (en) | 2019-12-04 | 2019-12-04 | Multiphase flow experimental device |
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| CN110849582A true CN110849582A (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911229594.2A Withdrawn CN110849582A (en) | 2019-12-04 | 2019-12-04 | Multiphase flow experimental device |
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| CN (1) | CN110849582A (en) |
| WO (1) | WO2021109797A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109797A1 (en) * | 2019-12-04 | 2021-06-10 | 山东省科学院海洋仪器仪表研究所 | Multiphase flow experiment device |
| CN114544139A (en) * | 2022-02-14 | 2022-05-27 | 中国科学院力学研究所 | Circulating oil-gas-water multiphase flow testing device for simulating deepwater environment |
| CN117309653A (en) * | 2023-09-14 | 2023-12-29 | 北京科技大学 | Array visual multiphase flow loop pipeline test device |
| CN118564834A (en) * | 2024-07-31 | 2024-08-30 | 四川职业技术学院 | Device and method for measuring influences of different elbow angles on hydrogen mixing heavy oil conveying |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000193185A (en) * | 1998-12-28 | 2000-07-14 | Non-Destructive Inspection Co Ltd | Installation device for sound sensor |
| US7997156B1 (en) * | 2007-05-15 | 2011-08-16 | Thermaco, Inc. | F.O.G. sample port |
| CN201859589U (en) * | 2010-10-28 | 2011-06-08 | 东北石油大学 | Experiment device for observing flow regime of high-temperature and high-pressure oil-gas-water multiphase flow |
| CN106352239A (en) * | 2016-10-20 | 2017-01-25 | 江苏大学 | Pump performance test device in gas-liquid two-phase fixed conveying state |
| CN206787518U (en) * | 2017-05-23 | 2017-12-22 | 广州嘉诺工业技术有限公司 | A kind of adjustable positioning tool for hard tube measurement |
| CN107727360B (en) * | 2017-11-03 | 2024-06-21 | 山东省科学院海洋仪器仪表研究所 | Flow pattern generator |
| CN108051180A (en) * | 2017-11-17 | 2018-05-18 | 中国石油大学(华东) | A kind of circulating multiphase flow fluctuating pipeline experimental rig, application and method |
| CN208818608U (en) * | 2018-09-12 | 2019-05-03 | 丁琳 | A kind of oil-gas-water three-phase flow flow behavior test device |
| CN109470600A (en) * | 2018-12-27 | 2019-03-15 | 西南石油大学 | A kind of experimental provision of multiphase flow measurement angle adjustable |
| CN110849582A (en) * | 2019-12-04 | 2020-02-28 | 山东省科学院海洋仪器仪表研究所 | Multiphase flow experimental device |
-
2019
- 2019-12-04 CN CN201911229594.2A patent/CN110849582A/en not_active Withdrawn
-
2020
- 2020-11-06 WO PCT/CN2020/127158 patent/WO2021109797A1/en active Application Filing
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021109797A1 (en) * | 2019-12-04 | 2021-06-10 | 山东省科学院海洋仪器仪表研究所 | Multiphase flow experiment device |
| CN114544139A (en) * | 2022-02-14 | 2022-05-27 | 中国科学院力学研究所 | Circulating oil-gas-water multiphase flow testing device for simulating deepwater environment |
| CN114544139B (en) * | 2022-02-14 | 2023-08-18 | 中国科学院力学研究所 | Circulating type oil-gas-water multiphase flow testing device for simulating deepwater environment |
| CN117309653A (en) * | 2023-09-14 | 2023-12-29 | 北京科技大学 | Array visual multiphase flow loop pipeline test device |
| CN118564834A (en) * | 2024-07-31 | 2024-08-30 | 四川职业技术学院 | Device and method for measuring influences of different elbow angles on hydrogen mixing heavy oil conveying |
Also Published As
| Publication number | Publication date |
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| WO2021109797A1 (en) | 2021-06-10 |
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