CN214149795U - Gas-liquid-solid multiphase flow testing system for measuring gas-liquid-solid multiphase flow mixing delivery pump - Google Patents
Gas-liquid-solid multiphase flow testing system for measuring gas-liquid-solid multiphase flow mixing delivery pump Download PDFInfo
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- CN214149795U CN214149795U CN202120040674.XU CN202120040674U CN214149795U CN 214149795 U CN214149795 U CN 214149795U CN 202120040674 U CN202120040674 U CN 202120040674U CN 214149795 U CN214149795 U CN 214149795U
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Abstract
The utility model discloses a gas-liquid-solid multiphase flow test system for measuring a gas-liquid-solid multiphase flow mixing and conveying pump, which comprises an air compressor of 0.2-0.5 Mpa, a slurry barrel, a water tank and a gas-liquid mixer communicated with the gas-liquid-solid mixing and conveying pump; an exhaust port of the air compressor is communicated with an inlet of the gas-liquid mixer through a first pipeline; the pulp barrel is communicated with a first input port of the Venturi mixing nozzle through a second pipeline; the bottom of the water tank is communicated with a second input port of the Venturi mixing nozzle through a third pipeline; the output port of the Venturi mixing nozzle is communicated with the first pipeline through a fourth pipeline; the outlet of the gas-liquid mixer is communicated with the liquid inlet of the mixing and conveying pump through a fifth pipeline, and the liquid outlet of the mixing and conveying pump is communicated with the water tank through a sixth pipeline; a pump shaft of the mixing and conveying pump is connected with a motor; the first pipeline, the second pipeline and the third pipeline are all provided with regulating valves; a turbine flowmeter is arranged on the fourth pipeline; pressure gauges are respectively arranged on the fifth pipeline and the sixth pipeline; the first pipeline is also provided with a float flowmeter.
Description
Technical Field
The utility model relates to a fluid machinery and engineering field, concretely relates to measure gas-liquid-solid multiphase flow test system of gas-liquid-solid multiphase flow mixed transportation pump.
Background
In the process of exploitation of an oil field, oil, gas, water and other impurities are symbiotic, and during exploitation, a gas-liquid separation device, a pump, a compressor unit and two pipelines need to be arranged at each wellhead, so that a liquid phase and a gas phase are separated and then are respectively conveyed by the pump and the compressor. However, this configuration is too costly.
With the development of the oil field industry, a set of multiphase mixed transportation system is derived, only one unit and one pipeline are needed for each wellhead, and compared with the traditional gas-liquid two-phase respective transportation system, the multiphase mixed transportation system has the advantages of simple structure, convenience in operation, easiness in control and the like. Meanwhile, only one pipeline is needed in the multiphase mixed transportation system, so that a separator, an air compressor, a mixed transportation pump, natural gas evacuation, a torch system and two independent gas-liquid transportation pipelines can be avoided, and the mining cost and the management cost are greatly reduced.
The key equipment in the multiphase mixed transportation system is a multiphase mixed transportation pump, and the mixed transportation fluid is a multiphase flow mixture containing various impurities such as oil, gas, water, silt and the like directly extracted from an oil well, so that the produced multiphase mixed transportation pump can be normally used after being tested by a gas-liquid-solid multiphase flow testing system for multiple times.
At present, a multiphase flow test system is generally divided into an open type and a closed type, most of the multiphase flow test systems can only carry out two-phase tests, and have the disadvantages of high manufacturing cost, large occupied area of fields and high test and maintenance cost.
SUMMERY OF THE UTILITY MODEL
For overcoming the not enough of prior art, the utility model aims to provide a miniaturized, the economical gas-liquid-solid multiphase flow test system with measuring gas-liquid-solid multiphase flow thoughtlessly defeated pump, this system has that area is little, experimental, advantage that the maintenance cost is low.
In order to achieve the above object, the utility model adopts the following technical scheme:
a gas-liquid-solid multiphase flow testing system for measuring a gas-liquid-solid multiphase flow mixing and conveying pump comprises a 0.2-0.5 Mpa air compressor for measuring gas for the gas-liquid-solid mixing and conveying pump, a slurry barrel for measuring solid for the gas-liquid-solid mixing and conveying pump, a water tank for measuring liquid for the gas-liquid-solid mixing and conveying pump and a gas-liquid mixer communicated with the gas-liquid-solid mixing and conveying pump;
an exhaust port of the air compressor is communicated with an inlet of the gas-liquid mixer through a first pipeline;
the pulp barrel is communicated with a first input port of the Venturi mixing nozzle through a second pipeline;
the bottom of the water tank is communicated with a second input port of the Venturi mixing nozzle through a third pipeline; the output port of the Venturi mixing nozzle is communicated with the first pipeline through a fourth pipeline;
the outlet of the gas-liquid mixer is communicated with the liquid inlet of the mixing and conveying pump through a fifth pipeline, and the liquid outlet of the mixing and conveying pump is communicated with the water tank through a sixth pipeline;
a pump shaft of the mixing and conveying pump is connected with a motor;
the first pipeline, the second pipeline and the third pipeline are all provided with regulating valves;
a turbine flowmeter is arranged on the fourth pipeline;
pressure gauges are respectively arranged on the fifth pipeline and the sixth pipeline;
and a float flowmeter is arranged on the first pipeline between the regulating valve arranged on the first pipeline and the inlet of the gas-liquid mixer.
Further, the gas-liquid mixer comprises a mixing shell and blades which are arranged in the mixing shell and can generate vortex;
the two ends of the mixed shell are respectively provided with a butt joint nut in threaded connection, a groove is formed between each butt joint nut and the mixed shell, and each groove is internally abutted with a rubber sealing ring.
Further, the blade comprises four groups of blade plates with the same structure;
one end of the first group of blade plates is fixedly connected with the side wall of one end of the second group of blade plates in a staggered manner, and the included angle between the other end of the first group of blade plates and the other end of the second group of blade plates is 90 degrees;
one end of the second group of blade plates is fixedly connected with the side wall of one end of the third group of blade plates in a staggered manner, and the included angle between the other end of the second group of blade plates and the other end of the third group of blade plates is 90 degrees;
one end of the third group of blade plates is fixedly connected with the side wall of one end of the fourth group of blade plates in a staggered manner, and the included angle between the other end of the third group of blade plates and the other end of the fourth group of blade plates is 90 degrees;
one end of the fourth group of blade plates is fixedly connected with the side wall of one end of the first group of blade plates in a staggered mode, and the included angle between the other end of each fourth group of blade plates and the other end of each first group of blade plates is 90 degrees.
Furthermore, the staggered distance between one end of the first group of blade plates and one end of the second group of blade plates, the staggered distance between one end of the second group of blade plates and one end of the third group of blade plates, the staggered distance between one end of the third group of blade plates and one end of the fourth group of blade plates, and the staggered distance between one end of the fourth group of blade plates and one end of the first group of blade plates are all equal.
Furthermore, each group of blade plates comprises two superposed and fixedly connected blade single plates.
Further, the flow range of the mixing delivery pump is 1-5 m3/h。
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses an adjustable air compressor's of governing valve air supply flow, the liquid source flow in the basin, the solid source flow in the thick liquid bucket, adjustable flow's gas-liquid mixer and adopt the flow of float flowmeter measurement air supply and adopt turbine flowmeter measurement liquid source, manometer to measure the external characteristic parameter of defeated pump thoughtlessly, and then whether the test out defeated pump thoughtlessly is qualified. The test system has the advantages that the occupied area is controlled to be 3-4 square meters, the occupied area is small, the test cost is reduced, the construction is convenient, the operation is simple, the special treatment on the ground is not needed, and the safety is high.
(2) The utility model discloses a 0.2 ~ 0.5Mpa air compressor acts as the gas source for whole test system forms small-size test bench, and required electric energy, water resource are compared in large-scale test bench green more energy-conservation.
(3) The utility model discloses a this test system can carry out the experiment of liquid solid, gas-liquid, the heterogeneous stream of gas-solid-liquid, realizes the multi-purpose function of a system.
(4) The utility model discloses a when this test system carries out the test that contains the solid phase, can add corresponding quality solid particle in thick liquid bucket according to solid content, the stirring, after opening the governing valve, solid particle passes through venturi mixing nozzle blowout inflow fourth pipeline and first pipeline.
Further, the utility model discloses an install the blade in gas-liquid mixer, the blade structure can form the vortex and guarantee the double-phase equipartition of gas-liquid.
Drawings
FIG. 1 is a schematic structural diagram of the whole testing system of the present invention;
FIG. 2 is a front view of the gas-liquid mixer of FIG. 1 in accordance with the present invention;
figure 3 is a cross-sectional view of the present invention from figure 2;
FIG. 4 is a schematic view of the blade of FIG. 3 according to the present invention;
figure 5 is a left side view of the present invention in figure 4;
in the figure: 1. an air compressor; 2. a venturi mixing nozzle; 3. a mixing and conveying pump; 4. a motor; 5. a water tank; 6. a pulp barrel; 7. a gas-liquid mixer; 71. butting nuts; 72. a rubber seal ring; 73. a blade; 74. a mixing housing; 8. Adjusting a valve; 9. a turbine flow meter; 10. a float flow meter; 11. and a pressure gauge.
Detailed Description
The present invention will be described in further detail with reference to the following specific examples, which should not be construed as limiting the invention.
As shown in FIG. 1, the utility model relates to a measure gas-liquid-solid multiphase flow test system of gas-liquid-solid multiphase flow mixing transportation pump, including measure gas-liquid-solid mixing transportation pump 3 with the air compressor 1, measure gas-liquid-solid mixing transportation pump 3 with the thick liquid bucket 6 of solid, measure the basin 5 of gas-liquid-solid mixing transportation pump 3 with liquid and with the gas-liquid mixer 7 of gas-liquid-solid mixing transportation pump 3 intercommunication.
There is first pipeline through the bolt fastening on air compressor 1's the gas vent, fixed mounting has first governing valve 8 and float flowmeter 10 on the first pipeline in proper order, there are fourth pipeline and fifth pipeline at the end of first pipeline through the tee bend welding, fixed mounting has turbine flowmeter 9 on the fourth pipeline, the end welding of fourth pipeline has venturi mixing nozzle 2, the welding has the second pipeline on venturi mixing nozzle 2's the first input port, fixed mounting has second governing valve 8 on the second pipeline, the end of second pipeline and the thick liquid bucket 6 welding and the intercommunication of being equipped with thick liquid.
The third pipeline is fixedly connected to the second input port of the venturi mixing nozzle 2 through bolts, a third adjusting valve 8 is fixedly mounted on the third pipeline, and the tail end of the third pipeline is inserted into the bottom of the water tank 5 and welded with the side wall of the water tank 5.
The fifth pipeline is sequentially and fixedly provided with a gas-liquid mixer 7 and a first pressure gauge 11, the tail end of the fifth pipeline is fixed with the liquid inlet of the mixing and transporting pump 3 through a flange, the liquid outlet of the mixing and transporting pump 3 is fixedly connected with a sixth pipeline through a flange, the first pipeline is fixedly provided with a second pressure gauge 11, and the tail end of the sixth pipeline is inserted into the water tank 5. The pump shaft of the mixing and transporting pump 3 is fixedly connected with a motor 4, and the flow range of the mixing and transporting pump 3 is 1-5 m3/h。
Referring to fig. 2 and 3, the gas-liquid mixer 7 includes a mixing housing 74 and a vane 73 installed in the mixing housing 74 to generate a vortex flow, wherein (referring to fig. 4 and 5) the vane 73 includes four sets of vane plates having the same structure and each consisting of two superposed and welded vane single plates; one end of the first group of blade plates is fixedly connected with the side wall of one end of the second group of blade plates in a staggered manner, and the included angle between the other end of the first group of blade plates and the other end of the second group of blade plates is 90 degrees; one end of the second group of blade plates is fixedly connected with the side wall of one end of the third group of blade plates in a staggered manner, and the included angle between the other end of the second group of blade plates and the other end of the third group of blade plates is 90 degrees; one end of the third group of blade plates is fixedly connected with the side wall of one end of the fourth group of blade plates in a staggered manner, and the included angle between the other end of the third group of blade plates and the other end of the fourth group of blade plates is 90 degrees; one end of the fourth group of blade plates is fixedly connected with the side wall of one end of the first group of blade plates in a staggered mode, and the included angle between the other end of each fourth group of blade plates and the other end of each first group of blade plates is 90 degrees.
The staggered distance between one end of the first group of blade plates and one end side wall of the second group of blade plates, the staggered distance between one end of the second group of blade plates and one end side wall of the third group of blade plates, the staggered distance between one end of the third group of blade plates and one end side wall of the fourth group of blade plates and the staggered distance between one end of the fourth group of blade plates and one end side wall of the first group of blade plates are equal.
Referring to fig. 2 and 3, the two ends of the mixing shell 74 are both connected with butt nuts 71 through threads, a groove is formed between each butt nut 71 and the mixing shell 74, and a rubber sealing ring 72 is abutted in each groove.
The working process is as follows: first, the air compressor 1 is energized, the air compressed by the air compressor 1 is input to the exhaust port, the air content discharged by the air compressor 1 is adjusted by the first adjusting valve 8, and the gas flow rate and pressure are detected by the float flowmeter 10 and the first pressure gauge 11.
Secondly, according to the solid content, add corresponding quality solid particle in thick liquid bucket 6, the stirring is even, after opening second governing valve 8, the solid particle flows into the fourth pipeline through venturi mixing nozzle 2 blowout, flow through turbine flowmeter 9 and collect into first pipeline, open third governing valve 8 simultaneously and get into venturi mixing nozzle 2 blowout and flow into the fourth pipeline through the third pipeline with the liquid in basin 5, flow through turbine flowmeter 9 and collect into first pipeline, regulate and control and monitor single-phase liquid and mixed liquid through second governing valve 8, third governing valve 8 and turbine flowmeter 9. And the solid-liquid two-phase fluid is uniformly mixed by the Venturi mixing nozzle 2.
Different gas content experimental conditions are obtained by regulating the air compressor 1 and the first regulating valve 8, and a gas-liquid-solid pipeline is connected to the gas-liquid mixer 7 to realize uniform mixing of gas-liquid-solid three-phase media, so that test working conditions under different gas content and solid particle content conditions are obtained, and further, a gas-liquid-solid multiphase flow pattern and a gas-liquid-solid separation rule in the inlet section and the blades 73 are analyzed. And finally, the mixed transmission pump 3 works under the driving of the motor 4 to transmit the mixed medium back to the water tank 5. The experimental device can obtain gas-liquid or liquid-solid experimental conditions by opening or closing the slurry barrel 6, the regulating valve 8 and the air compressor 1.
The gas-liquid mixer 7 of the test system is an independent device, and is simple and convenient to assemble and disassemble. And the test device is connected with a pipeline through butt nuts 71 at two ends in the test process. The relative position of the gas-liquid mixer 7 and the inlet end of the mixing and conveying pump 3 can be adjusted to meet different test working conditions. The blade 73 pitch of this device can be varied to meet different air void conditions. The working principle of the gas-liquid mixer 7 is as follows: two different gas-liquid media can be layered before entering the gas-liquid mixer 7 through two pipelines, the gas-liquid interface has speed difference, the shearing speed of the interface enables the interface to be unstable according to the Kelvin-Helmholtz instability principle, and the interface is changed from laminar flow to turbulent flow, but the effect of improving the gas content is not good through numerical simulation. After the gas-liquid mixing pipeline is added into the gas-liquid mixer 7, the transition point is advanced by the reasonable inclination angle of the blades 73, and momentum exchange is realized by improving the pulsation speed of turbulent flow, so that the aim of uniformly mixing gas and liquid is fulfilled.
In summary, the present embodiment achieves a multi-purpose by increasing or decreasing the venturi mixing nozzle 2 and the gas-liquid mixer 7, and reduces the experiment cost. The problem of separation in gas-liquid mixing transportation is solved by reasonably designing the forward transition point of the inclination angle of the blade 73 of the gas-liquid mixer 7. The gas-liquid mixer 7 is of an independent structure, and the relative positions of the gas-liquid mixer 7 and the mixing pump 3 can be changed according to different testing working conditions of the mixing pump 3, so that a better mixing effect is achieved.
Claims (6)
1. A gas-liquid-solid multiphase flow test system for measuring a gas-liquid-solid multiphase flow mixing transportation pump is characterized in that: comprises an air compressor (1), a pulp barrel (6), a water tank (5) and a gas-liquid mixer (7) communicated with a gas-liquid-solid mixing and conveying pump (3);
an exhaust port of the air compressor (1) is communicated with an inlet of a gas-liquid mixer (7) through a first pipeline;
the pulp barrel (6) is communicated with a first input port of the Venturi mixing nozzle (2) through a second pipeline;
the bottom of the water tank (5) is communicated with a second input port of the Venturi mixing nozzle (2) through a third pipeline; the output port of the Venturi mixing nozzle (2) is communicated with the first pipeline through a fourth pipeline;
an outlet of the gas-liquid mixer (7) is communicated with a liquid inlet of the mixing and transporting pump (3) through a fifth pipeline, and a liquid outlet of the mixing and transporting pump (3) is communicated with the water tank (5) through a sixth pipeline;
a pump shaft of the mixing and conveying pump (3) is connected with a motor (4);
the first pipeline, the second pipeline and the third pipeline are all provided with regulating valves (8);
a turbine flowmeter (9) is arranged on the fourth pipeline;
pressure gauges (11) are respectively arranged on the fifth pipeline and the sixth pipeline;
and a float flowmeter (10) is arranged on the first pipeline between the regulating valve (8) arranged on the first pipeline and the inlet of the gas-liquid mixer (7).
2. The gas-liquid-solid multiphase flow test system for measuring the gas-liquid-solid multiphase flow mixing transportation pump as claimed in claim 1, wherein: the gas-liquid mixer (7) comprises a mixing shell (74) and blades (73) which are arranged in the mixing shell (74) and can generate vortex;
the two ends of the mixing shell (74) are provided with butt-joint nuts (71) in threaded connection, a groove is formed between each butt-joint nut (71) and the mixing shell (74), and a rubber sealing ring (72) is abutted in each groove.
3. The gas-liquid-solid multiphase flow test system for measuring the gas-liquid-solid multiphase flow mixing transportation pump as claimed in claim 2, wherein: the blades (73) comprise four groups of blade plates with the same structure;
one end of the first group of blade plates is fixedly connected with the side wall of one end of the second group of blade plates in a staggered manner, and the included angle between the other end of the first group of blade plates and the other end of the second group of blade plates is 90 degrees;
one end of the second group of blade plates is fixedly connected with the side wall of one end of the third group of blade plates in a staggered manner, and the included angle between the other end of the second group of blade plates and the other end of the third group of blade plates is 90 degrees;
one end of the third group of blade plates is fixedly connected with the side wall of one end of the fourth group of blade plates in a staggered manner, and the included angle between the other end of the third group of blade plates and the other end of the fourth group of blade plates is 90 degrees;
one end of the fourth group of blade plates is fixedly connected with the side wall of one end of the first group of blade plates in a staggered mode, and the included angle between the other end of each fourth group of blade plates and the other end of each first group of blade plates is 90 degrees.
4. The gas-liquid-solid multiphase flow test system for measuring the gas-liquid-solid multiphase flow mixing transportation pump as claimed in claim 3, wherein: the staggered distance between one end of the first group of blade plates and one end side wall of the second group of blade plates, the staggered distance between one end of the second group of blade plates and one end side wall of the third group of blade plates, the staggered distance between one end of the third group of blade plates and one end side wall of the fourth group of blade plates and the staggered distance between one end of the fourth group of blade plates and one end side wall of the first group of blade plates are equal.
5. The gas-liquid-solid multiphase flow test system for measuring the gas-liquid-solid multiphase flow mixing transportation pump as claimed in claim 4, wherein: each group of blade plates comprises two superposed and fixedly connected blade single plates.
6. The gas-liquid-solid multiphase flow test system for measuring the gas-liquid-solid multiphase flow mixing and conveying pump as claimed in any one of claims 1 to 5, wherein the flow rate range of the mixing and conveying pump (3) is 1-5 m3/h。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120040674.XU CN214149795U (en) | 2021-01-08 | 2021-01-08 | Gas-liquid-solid multiphase flow testing system for measuring gas-liquid-solid multiphase flow mixing delivery pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120040674.XU CN214149795U (en) | 2021-01-08 | 2021-01-08 | Gas-liquid-solid multiphase flow testing system for measuring gas-liquid-solid multiphase flow mixing delivery pump |
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| CN214149795U true CN214149795U (en) | 2021-09-07 |
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| CN202120040674.XU Active CN214149795U (en) | 2021-01-08 | 2021-01-08 | Gas-liquid-solid multiphase flow testing system for measuring gas-liquid-solid multiphase flow mixing delivery pump |
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- 2021-01-08 CN CN202120040674.XU patent/CN214149795U/en active Active
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