CN111122206A - Experimental device for be used for aassessment supersonic velocity cyclone performance - Google Patents
Experimental device for be used for aassessment supersonic velocity cyclone performance Download PDFInfo
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- CN111122206A CN111122206A CN202010034559.1A CN202010034559A CN111122206A CN 111122206 A CN111122206 A CN 111122206A CN 202010034559 A CN202010034559 A CN 202010034559A CN 111122206 A CN111122206 A CN 111122206A
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Abstract
The invention discloses an experimental device for evaluating the performance of a supersonic cyclone separator, which comprises a compressor, an ejector, a mixer, a gas storage tank, the supersonic cyclone separator and a gas cylinder group, wherein the ejector is arranged in the gas storage tank; the outlet of the compressor is connected with the high-speed inflow port of the ejector, and the outlet of the gas bottle group is connected with the low-speed inflow port of the ejector; the outlet of the ejector is connected with the inlet of the mixer, the outlet of the mixer is connected with the inlet of the gas storage tank, the outlet of the gas storage tank is connected with the inlet of the supersonic cyclone separator, the gas phase outlet of the supersonic cyclone separator is connected with the gas phase pipeline, and the liquid phase outlet of the supersonic cyclone separator is connected with the liquid phase pipeline. The invention provides a stable and reliable test system, and the arrangement of a gas cylinder group can increase CO in compressed air2To simulate CO in natural gas2The presence of gas, thereby enabling the testing of supersonic cyclone separators on CO2The separation and removal effect of impurity gases.
Description
Technical Field
The invention belongs to the technical field of separation, and particularly relates to an experimental device for evaluating performance of a supersonic cyclone separator.
Background
Natural gas extracted from natural gas field contains a large amount of water vapor and CO2And the like, and the impurities are required to be purified and separated. Because of water vapor and CO2The existence of impurities can reduce the heat value of the natural gas, reduce the pipeline transportation capacity, and simultaneously have the risks of blocking the natural gas transportation pipeline, corroding equipment and the like. Thus, water vapor and CO are removed2And the impurities are the key in the natural gas purification link.
At present, the water vapor and CO are removed2The natural gas purifying and separating device for impurities is gradually applied, and is a supersonic cyclone separator. The supersonic cyclone separator mainly comprises components such as a Laval nozzle, a supersonic rectifier tube, a cyclone, a diffuser and the like, and the entering gas can generate a low-temperature and low-pressure environment through the Laval nozzle, so that condensable components in natural gas are condensed, and the condensed liquid drops are separated by generating huge centrifugal force through the cyclone. The device has the advantages of compact and light structure, no moving parts, unattended support and the like, and is more suitable for unmanned operation of oil and gas fields and the like in the sea, desert and remote areas. In addition, the advantages of no leakage and no need of chemical reagents in sealing enable the natural gas purification and separation process to have the competitive advantages of safety, reliability, low carbon and environmental protection.
In the process of researching the separation of the supersonic cyclone separator, the steam and CO are required to be treated2And the separation performance of various impurities is evaluated to serve as a basis for optimizing the structure of the separator, and the evaluation of the separation performance needs to continuously perform experimental research on the supersonic cyclone separator. At present, most supersonic cyclone separation systems are used to evaluate the separation effect on water vapor, for example, chinese patent CN 104056497A. Therefore, there is a need to develop a method for CO2Provided is a supersonic cyclone separation experimental system for separation performance evaluation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an experimental device for evaluating the performance of a supersonic cyclone separator.
In order to achieve the purpose, the invention adopts the following technical scheme:
an experimental device for evaluating the performance of a supersonic cyclone separator comprises a compressor, an ejector, a mixer, a gas storage tank, the supersonic cyclone separator and a gas bottle group;
the outlet of the compressor is connected with the high-speed inflow port of the ejector, and the outlet of the gas bottle group is connected with the low-speed inflow port of the ejector; the outlet of the ejector is connected with the inlet of the mixer, the outlet of the mixer is connected with the inlet of the gas storage tank, the outlet of the gas storage tank is connected with the inlet of the supersonic cyclone separator, the gas phase outlet of the supersonic cyclone separator is connected with the gas phase pipeline, and the liquid phase outlet of the supersonic cyclone separator is connected with the liquid phase pipeline;
the inlet pipeline of the supersonic cyclone separator is sequentially provided with a first pressure sensor, a first temperature sensor, a first gas vortex flowmeter and a device for measuring CO in inlet gas of the supersonic cyclone separator along the medium flowing direction2Content first hand-held Pumping CO2A detector;
the gas phase pipeline is sequentially provided with a device for measuring CO in the gas phase outlet gas of the supersonic cyclone separator along the medium flowing direction2Second content of handheld pumped CO2The detector, the second gas vortex flowmeter, the second pressure sensor and the second temperature sensor;
a third pressure sensor and a third temperature sensor are sequentially arranged on the liquidus line along the medium flowing direction;
the first pressure sensor, the first temperature sensor and the first handheld pump CO pumping2Detector, first gas vortex flowmeter and second handheld pump CO pumping2The detector, the second gas vortex flowmeter, the second pressure sensor, the second temperature sensor, the third pressure sensor and the third temperature sensor are all connected with the data acquisition system.
Preferably, the outlet of the compressor is provided with a first ball valve.
Preferably, the inlet of the ejector is further connected with an auxiliary compressor, and the outlet of the auxiliary compressor is provided with a second ball valve.
Preferably, a first filter is arranged on a high-speed flow inlet pipeline of the ejector.
Preferably, a safety valve is arranged on an outlet pipeline of the ejector.
Preferably, a first manual regulating valve is arranged on a pipeline between the gas cylinder group and the ejector.
Preferably, the outlet pipeline of the gas storage tank is sequentially provided with a second filter and a third filter along the medium flowing direction; and a self-operated pressure regulating valve is arranged on a pipeline between the third filter and the first pressure sensor, and two ends of the self-operated pressure regulating valve are connected in parallel with a second manual regulating valve.
Preferably, the ends of the gas phase line and the liquid phase line are provided with silencers.
Preferably, a third manual regulating valve is arranged at the rear end of the second temperature sensor on the gas phase pipeline; and a fourth manual regulating valve is arranged at the rear end of the third temperature sensor on the liquid phase pipeline.
The invention has the beneficial effects that:
the experimental device for evaluating the performance of the supersonic cyclone separator provides a set of stable and reliable test system, and the arrangement of the gas cylinder group can increase CO in the compressed air2To simulate CO in natural gas2The existence of gas can be tested, thereby the supersonic cyclone separator can test the CO in the natural gas2The separation and removal effect of gas; according to the inlet flow detected by a first gas vortex flowmeter at the inlet of the supersonic cyclone separator, the inlet temperature detected by a first temperature sensor, the inlet pressure detected by a first pressure sensor, the gas phase outlet flow detected by a second gas vortex flowmeter at the gas phase outlet of the supersonic cyclone separator, the gas phase outlet temperature detected by a second temperature sensor, the gas phase outlet pressure detected by a second pressure sensor, the liquid phase outlet temperature detected by a third temperature sensor at the liquid phase outlet of the supersonic cyclone separator and the third pressureThe liquid phase outlet pressure detected by the sensor so as to monitor the working condition of the whole experiment system; pumping CO by hand held2The detector is used for detecting CO in media in the inlet and the gas phase outlet of the supersonic cyclone separator2Content detection with CO2The change of the content is used as a supersonic speed cyclone separator pair CO2The basis for the evaluation of the separation performance.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a schematic flow diagram of an experimental apparatus for evaluating performance of a supersonic cyclone separator according to the present invention;
FIG. 2 is a schematic structural diagram of an experimental apparatus for evaluating performance of a supersonic cyclone separator according to the present invention;
wherein:
1-a compressor, 101-a first ball valve, 2-an ejector, 201-a first filter, 202-a safety valve, 3-a mixer, 4-a gas storage tank, 401-a second filter, 402-a third filter, 403-a self-operated pressure regulating valve, 404-a second manual regulating valve;
5-supersonic cyclone separator, 501-first pressure sensor, 502-first temperature sensor, 503-first hand-held Pumping CO2Detector, 5031-first gas vortex flowmeter, 504-second pressure sensor, 505-second temperature sensor, 506-second hand-held Pump CO2The detector comprises 5061, a second gas vortex flowmeter, 507, a third pressure sensor, 508, a third temperature sensor, 509, a third manual regulating valve and 510, a fourth manual regulating valve;
6-gas cylinder group, 601-first manual regulating valve, 7-gas phase pipeline, 8-liquid phase pipeline, 9-auxiliary compressor, 901-second ball valve, 10-silencer and 11-data acquisition system.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
In the present invention, terms such as "upper", "lower", "bottom", "top", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only terms of relationships determined for convenience in describing structural relationships of the components or elements of the present invention, and do not particularly indicate any components or elements of the present invention, and are not to be construed as limiting the present invention.
In the present invention, terms such as "connected" and "connecting" should be interpreted broadly, and mean either a fixed connection or an integral connection or a detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be determined according to specific situations by persons skilled in the relevant scientific or technical field, and are not to be construed as limiting the present invention.
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1-2, an experimental apparatus for evaluating performance of a supersonic cyclone separator includes a compressor 1, an ejector 2, a mixer 3, a gas storage tank 4, a supersonic cyclone separator 5, and a gas cylinder group 6; the compressor 1 in the device has higher power and can compress gas to 4MPa, thereby widening the working condition of the supersonic cyclone separator 5; the gas cylinder group 6 in the device aims at increasing CO in compressed air2To simulate the impurity gas CO in natural gas2Thereby being capable of testing the supersonic cyclone separator for CO2The separation and removal effect of (3); in the present deviceA mixer 3 is arranged for more fully mixing the compressed air with the incoming air in the air bottle group 6; the device is provided with an air storage tank 4, and aims to provide stable airflow for downstream equipment, so that the measurement accuracy of pressure, temperature and flow is improved;
the outlet of the compressor 1 is connected with the high-speed inflow port of the ejector 2, and the outlet of the gas bottle group 6 is connected with the low-speed inflow port of the ejector 2; the outlet of the ejector 2 is connected with the inlet of the mixer 3, the outlet of the mixer 3 is connected with the inlet of the gas storage tank 4, the outlet of the gas storage tank 4 is connected with the inlet of the supersonic cyclone separator 5, the gas-phase outlet of the supersonic cyclone separator 5 is connected with the gas-phase pipeline 7, and the liquid-phase outlet of the supersonic cyclone separator 5 is connected with the liquid-phase pipeline 8;
a first pressure sensor 501, a first temperature sensor 502, a first gas vortex flowmeter 5031 and a device for measuring CO in the gas at the inlet of the supersonic cyclone separator 5 are sequentially arranged on the inlet pipeline of the supersonic cyclone separator 5 along the medium flowing direction2Content first hand-held Pumping CO2A detector 503;
the gas phase pipeline is sequentially provided with a device for measuring CO in the gas phase outlet gas of the supersonic cyclone separator 5 along the medium flowing direction2Second content of handheld pumped CO2A detector 506, a second gas vortex flow meter 5061, a second pressure sensor 504, and a second temperature sensor 505;
a third pressure sensor 507 and a third temperature sensor 508 are sequentially arranged on the liquidus line along the medium flowing direction;
the first pressure sensor 501, the first temperature sensor 502 and the first hand-held pumping CO2Detector 503, first gas vortex flowmeter 5031 and second handheld CO pumping device2The detector 506, the second gas vortex flowmeter 5061, the second pressure sensor 504, the second temperature sensor 505, the third pressure sensor 507 and the third temperature sensor 508 are all connected with the data acquisition system 11;
the data acquisition system 11 is a data acquisition system based on Labview software, and transmits data measured by a pressure sensor, a temperature sensor and a gas vortex flowmeter at an inlet and a gas phase outlet of the supersonic cyclone separator 5 and data measured by a temperature sensor and a pressure sensor at a liquid phase outlet of the supersonic cyclone separator to the Labview software through data lines, so that the pressure, the temperature and the flow of the whole experimental system are monitored, and the best working condition of the supersonic cyclone separator 5 is achieved.
Preferably, the outlet of the compressor 1 is provided with a first ball valve 101 for controlling the gas flow in the pipeline.
Preferably, the inlet of the ejector 2 is further connected with an auxiliary compressor 9, and the outlet of the auxiliary compressor 9 is provided with a second ball valve 901; wherein compressor 1 and auxiliary compressor 9 can each other be for each other reserve on the one hand, and on the other hand can also use simultaneously to increase gas flow, thereby widen the scope of supersonic cyclone 5 experiment operating mode.
Preferably, a first filter 201 is arranged on a high-speed inflow inlet pipeline of the ejector 2, and the first filter 201 is arranged in front of the ejector 2, so that solid impurities in gas can be filtered, and the ejector 2 and devices behind the ejector are prevented from being damaged.
Preferably, a safety valve 202 is arranged on an outlet pipeline of the ejector 2, and when the pressure in the pipeline is too high, the safety valve 202 can release the pressure in the pipeline due to high pressure in the pipeline, so that the safe operation of the whole experimental device is ensured.
Preferably, a first manual regulating valve 601 is arranged on a pipeline between the gas cylinder group 6 and the ejector 2.
Preferably, a second filter 401 and a third filter 402 are sequentially arranged on an outlet pipeline of the air storage tank 4 along the medium flowing direction; a self-operated pressure regulating valve 403 is arranged on a pipeline between the third filter 402 and the first pressure sensor 501 to ensure that the pressure of the pipeline is maintained to fluctuate within a certain range after the self-operated pressure regulating valve 403, so that the pressure at the inlet of the supersonic cyclone separator 5 is stable, and the supersonic cyclone separator 5 achieves the optimal working condition; two ends of the self-operated pressure regulating valve 403 are connected in parallel with a second manual regulating valve 404, when the self-operated pressure regulating valve 403 breaks down, the second manual regulating valve 404 can be used for maintaining the pipeline pressure after the second manual regulating valve 404 fluctuates within a certain range, so that the pressure at the inlet of the supersonic cyclone separator 5 is stable, and the supersonic cyclone separator 5 achieves the optimal working condition.
Preferably, the end of the gas phase line 7 and the end of the liquid phase line 8 are provided with silencers 10 for reducing noise generated by the ultra-high speed flow of gas.
Preferably, a third manual regulating valve 509 is arranged at the rear end of the second temperature sensor 505 on the gas phase pipeline 7; and a fourth manual regulating valve 510 is arranged at the rear end of the third temperature sensor 508 on the liquid phase pipeline 8.
An experimental device for evaluating performance of a supersonic cyclone separator comprises the following specific implementation modes:
when the experimental device is used, air is compressed and pressurized by the compressor 1 and then enters the first filter 201 through the first ball valve 101, solid impurities harmful to equipment in the air are filtered, then the air enters the ejector 2, and meanwhile, the air in the air bottle group 6 enters the ejector 2 through the first manual regulating valve 601 due to the internal pressure difference of the ejector 2 and is primarily mixed with the compressed air;
the primary mixed gas enters a mixer 3 to be fully mixed, and the fully mixed gas enters a gas storage tank 7 to be buffered so as to provide stable flow for downstream equipment; then, the gas is filtered again by a second filter 401 and a third filter 402, and enters a supersonic cyclone separator 5 for expansion, condensation and separation after being filtered; separated liquid phase (condensed CO)2Liquid drops) and a small amount of slipping gas are discharged out of the supersonic cyclone separator 5 from a liquid outlet and then discharged out of the experimental device through a liquid phase pipeline 8 and a silencer 10; the separated pure gas is discharged out of the supersonic cyclone separator 5 through an exhaust port, and finally discharged out of the experimental device through a gas phase pipeline 7 and a silencer 10.
By installing pressure sensors, temperature sensors, gas vortex flow meters and hand-held pumping CO on an inlet pipeline and an outlet gas phase pipeline 7 of the supersonic cyclone separator 52A detector for detecting the pressure, temperature and flow of the medium at the inlet and the gas outlet of the supersonic cyclone separator 5 and the CO contained in the gas2Content (wt.)Carrying out detection; the pressure sensor and the temperature sensor are arranged on the liquid phase pipeline 8 at the outlet of the supersonic cyclone separator 5, so that the pressure and the temperature of the medium at the liquid phase outlet of the supersonic cyclone separator 5 are detected.
Meanwhile, according to the inlet flow detected by the first gas vortex flowmeter 5031 at the inlet of the supersonic cyclone separator 5, the inlet temperature detected by the first temperature sensor 502, the inlet pressure detected by the first pressure sensor 501, the gas phase outlet flow detected by the second gas vortex flowmeter 5061 at the gas phase outlet of the supersonic cyclone separator 5, the gas phase outlet temperature detected by the second temperature sensor 505, the gas phase outlet pressure detected by the second pressure sensor 504, the liquid phase outlet temperature detected by the third temperature sensor 508 at the liquid phase outlet of the supersonic cyclone separator 5 and the liquid phase outlet pressure detected by the third pressure sensor 507, the working conditions of the whole experimental system are monitored.
Pumping CO according to a first hand-held2CO contained in inlet gas detected by detector 5032Content, second hand-held pumping of CO2CO contained in gas phase outlet gas detected by detector 5062In an amount of CO2The change of the content is taken as the CO of the supersonic cyclone separator 52The basis for the evaluation of the separation performance.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the present invention, and it should be understood by those skilled in the art that various modifications and changes may be made without inventive efforts based on the technical solutions of the present invention.
Claims (9)
1. An experimental device for evaluating the performance of a supersonic cyclone separator is characterized by comprising a compressor, an ejector, a mixer, a gas storage tank, the supersonic cyclone separator and a gas bottle group;
the outlet of the compressor is connected with the high-speed inflow port of the ejector, and the outlet of the gas bottle group is connected with the low-speed inflow port of the ejector; the outlet of the ejector is connected with the inlet of the mixer, the outlet of the mixer is connected with the inlet of the gas storage tank, the outlet of the gas storage tank is connected with the inlet of the supersonic cyclone separator, the gas phase outlet of the supersonic cyclone separator is connected with the gas phase pipeline, and the liquid phase outlet of the supersonic cyclone separator is connected with the liquid phase pipeline;
the inlet pipeline of the supersonic cyclone separator is sequentially provided with a first pressure sensor, a first temperature sensor, a first gas vortex flowmeter and a device for measuring CO in inlet gas of the supersonic cyclone separator along the medium flowing direction2Content first hand-held Pumping CO2A detector;
the gas phase pipeline is sequentially provided with a device for measuring CO in the gas phase outlet gas of the supersonic cyclone separator along the medium flowing direction2Second content of handheld pumped CO2The detector, the second gas vortex flowmeter, the second pressure sensor and the second temperature sensor;
a third pressure sensor and a third temperature sensor are sequentially arranged on the liquidus line along the medium flowing direction;
the first pressure sensor, the first temperature sensor and the first handheld pump CO pumping2Detector, first gas vortex flowmeter and second handheld pump CO pumping2The detector, the second gas vortex flowmeter, the second pressure sensor, the second temperature sensor, the third pressure sensor and the third temperature sensor are all connected with the data acquisition system.
2. The experimental apparatus for evaluating the performance of a supersonic cyclone separator according to claim 1, wherein the outlet of said compressor is provided with a first ball valve.
3. The experimental apparatus for evaluating the performance of the supersonic cyclone separator according to claim 1, wherein the inlet of the ejector is further connected with an auxiliary compressor, and the outlet of the auxiliary compressor is provided with a second ball valve.
4. The experimental facility for evaluating the performance of a supersonic cyclone separator according to claim 1, wherein the high-speed flow inlet pipeline of the ejector is provided with a first filter.
5. The experimental facility for evaluating the performance of a supersonic cyclone separator according to claim 1, wherein a safety valve is provided on the outlet line of the ejector.
6. The experimental device for evaluating the performance of the supersonic cyclone separator according to claim 1, wherein a first manual regulating valve is arranged on a pipeline between the gas cylinder group and the ejector.
7. The experimental device for evaluating the performance of the supersonic cyclone separator according to claim 1, wherein a second filter and a third filter are sequentially arranged on the outlet pipeline of the air storage tank along the flowing direction of the medium; and a self-operated pressure regulating valve is arranged on a pipeline between the third filter and the first pressure sensor, and two ends of the self-operated pressure regulating valve are connected in parallel with a second manual regulating valve.
8. The experimental apparatus for evaluating the performance of a supersonic cyclone separator according to claim 1, wherein the ends of the gas phase pipeline and the liquid phase pipeline are provided with silencers.
9. The experimental device for evaluating the performance of the supersonic cyclone separator according to claim 1, wherein a third manual regulating valve is arranged at the rear end of the second temperature sensor on the gas phase pipeline; and a fourth manual regulating valve is arranged at the rear end of the third temperature sensor on the liquid phase pipeline.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010034559.1A CN111122206A (en) | 2020-01-14 | 2020-01-14 | Experimental device for be used for aassessment supersonic velocity cyclone performance |
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| CN202010034559.1A CN111122206A (en) | 2020-01-14 | 2020-01-14 | Experimental device for be used for aassessment supersonic velocity cyclone performance |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607388A (en) * | 2021-06-25 | 2021-11-05 | 天津大学 | Supersonic separator monitoring and fault diagnosis system based on flexible liquid film sensor |
| CN114046972A (en) * | 2021-11-04 | 2022-02-15 | 中汽创智科技有限公司 | Gas-liquid separator testing device and testing method |
| CN115615066A (en) * | 2022-12-21 | 2023-01-17 | 苏州仕净科技股份有限公司 | Novel carbon emission reduction refrigeration cycle method |
-
2020
- 2020-01-14 CN CN202010034559.1A patent/CN111122206A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113607388A (en) * | 2021-06-25 | 2021-11-05 | 天津大学 | Supersonic separator monitoring and fault diagnosis system based on flexible liquid film sensor |
| CN113607388B (en) * | 2021-06-25 | 2024-01-19 | 天津大学 | Ultrasonic separator monitoring and fault diagnosis system based on flexible liquid film sensor |
| CN114046972A (en) * | 2021-11-04 | 2022-02-15 | 中汽创智科技有限公司 | Gas-liquid separator testing device and testing method |
| CN114046972B (en) * | 2021-11-04 | 2024-05-24 | 中汽创智科技有限公司 | Testing device and testing method for gas-liquid separator |
| CN115615066A (en) * | 2022-12-21 | 2023-01-17 | 苏州仕净科技股份有限公司 | Novel carbon emission reduction refrigeration cycle method |
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