CN105424880A - Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline - Google Patents
Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline Download PDFInfo
- Publication number
- CN105424880A CN105424880A CN201510765085.7A CN201510765085A CN105424880A CN 105424880 A CN105424880 A CN 105424880A CN 201510765085 A CN201510765085 A CN 201510765085A CN 105424880 A CN105424880 A CN 105424880A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- liquid hydrocarbon
- gas
- transparent pipeline
- liquid phase
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Pipeline Systems (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an experimental device for determining the gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in a pipeline. The experimental device consists of a vacuum pump, a vacuum meter, a vacuum buffer tank, a valve, a natural gas liquid hydrocarbon storage tank, a flow meter, a pressure gauge, a thermometer, the transparent pipeline, a pipeline circulating pump and a liquid discharging groove. The transparent pipeline is S-shaped, the inlet of the transparent pipeline is communicated with the outlet of the pipeline circulating pump, and the outlet of the transparent pipeline is communicated with the inlet of the pipeline circulating pump. The pressure and flowing speed of the natural gas liquid hydrocarbon in the transparent pipeline are regulated by changing the rotating speed of the pipeline circulating pump, and accordingly the gas and liquid phase variable rate in the flowing process of the natural gas liquid hydrocarbon in the pipeline is determined. The experimental device overcomes the shortcoming that an existing device cannot test the gas and liquid phase variable rate of natural gas liquid hydrocarbon in the pipeline in a flowing state and has the advantages of being simple in structure and convenient to operate.
Description
Technical field
The present invention relates to a kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, relate to the construction of natural gas fields, storage and transportation art.
Background technology
The hydrocarbon mixture that rock gas liquid hydrocarbon is mainly made up of ethane, propane, butane, be important daily productive life fuel and industrial chemicals, pipeline is the major way carrying out the conveying of rock gas liquid hydrocarbon.The composition of the liquid hydrocarbon of rock gas determines it and has the advantages that gas-liquid phase transition easily occurs, and namely easily changes gaseous state into from liquid condition.Once there occurs gas-liquid phase transition, rock gas liquid hydrocarbon will present the flow state of gas-liquid two-phase in pipeline, and the ratio of gas-liquid two-phase also constantly can change along with the change of manifold pressure, temperature, affects the safety and stability of pipeline.Therefore, in the actual moving process of pipeline, the volume ratio of Accurate Prediction gas-liquid two-phase in pipeline is very important for the safe operation of pipeline.In the case, the gas-liquid phase transition speed of reasonable analysis rock gas liquid hydrocarbon in Flows process is the prerequisite of Accurate Prediction gas-liquid two-phase ratio.
The flow velocity of pressure, temperature and liquid phase is the key factor affecting natural gas liquids hydrocarbon gas liquid phase variable Rate.Current natural gas liquids hydrocarbon gas liquid phase variable Rate test is carried out all in a kettle., this kind of device can test the gas-liquid phase transition speed of rock gas liquid hydrocarbon under the pressure of change, temperature conditions, but can not simulate the flow state of rock gas liquid hydrocarbon in pipeline, the actual conditions in the natural gas liquids hydrocarbon gas liquid phase variable Rate obtained and pipeline there are differences.In order to measure the gas-liquid phase transition speed of rock gas liquid hydrocarbon in Flows process more accurately, just need to design corresponding experimental provision.
Summary of the invention
The object of the invention is: in order to provide a kind of experimental provision that can measure rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, effectively can measure the gas-liquid phase transition speed of rock gas liquid hydrocarbon in Flows process.
Measure an experimental provision for rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, be made up of vacuum pump 1, vacuum meter 2, vacuum buffer tank 3, valve 4, rock gas liquid hydrocarbon storage tank 5, valve 6, flowmeter 7, valve 8, tensimeter 9, thermometer 10, tensimeter 11, thermometer 12, transparent pipeline 13, pipe circle pump 14, valve 15, valve 16, pipe circle pump 17, valve 18, sump pit 19.Vacuum pump 1, vacuum buffer tank 3 are communicated with transparent pipeline 13, extract the air in transparent pipeline 13 out by vacuum pump 1; Vacuum meter 2 is utilized to analyze vacuum state in transparent pipeline 13; Rock gas liquid hydrocarbon storage tank 5 is communicated with transparent pipeline 13, utilizes the pressure in rock gas liquid hydrocarbon storage tank 5 to be injected in transparent pipeline 13 by rock gas liquid hydrocarbon; Flowmeter 7 is adopted to control the rock gas liquid hydrocarbon amount be injected in transparent pipeline 13; The entrance of pipe circle pump 14 and the outlet of transparent pipeline 13, the outlet of pipe circle pump 14 is communicated with the entrance of transparent pipeline 13; The entrance of pipe circle pump 17 and the outlet of transparent pipeline 13, the outlet of pipe circle pump 17 is communicated with the entrance of transparent pipeline 13; Utilize pipe circle pump 14, pipe circle pump 17 regulates pressure in transparent pipeline 13 and the flow velocity of rock gas liquid hydrocarbon in transparent pipeline 13, makes rock gas liquid hydrocarbon, in transparent pipeline 13, gas-liquid phase transition occur; By be communicated with transparent pipeline 13 tensimeter 9, thermometer 10, tensimeter 11, thermometer 12 record force value in transparent pipeline 13 and temperature value; The gas phase of rock gas liquid hydrocarbon and the volume ratio of liquid phase is observed by transparent pipeline 13; Sump pit 19 is communicated with transparent pipeline 13, after experiment, rock gas liquid hydrocarbon is entered sump pit 19.
Described a kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, wherein: described transparent pipeline 13 is " S " type;
Described a kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, wherein: in the elbow of described transparent pipeline 13, tensimeter and thermometer are installed.
The present invention, owing to taking above technical scheme, can reach following beneficial effect:
(1) pipe circle pump 14, pipe circle pump 17 are communicated with transparent pipeline 13, by changing the rotating speed of pipe circle pump 14, pipe circle pump 17, can regulate pressure in transparent pipeline 13, thus control the gas-liquid phase transition speed of rock gas liquid hydrocarbon;
(2) by changing the rotating speed of pipe circle pump 14, pipe circle pump 17, the pressure differential between the entrance and exit that can regulate transparent pipeline 13, thus drive the flowing of rock gas liquid hydrocarbon in transparent pipeline 13;
(3) material of transparent pipeline 13 is fiberglass, while guarantee pipeline bearing capacity, can also observe the volume ratio of gas phase and liquid phase in transparent pipeline 13;
(4) shape of transparent pipeline 13 is " S " type, increases the resistance that rock gas liquid hydrocarbon flows in pipeline, is conducive to the impact of test pressure change on natural gas liquids hydrocarbon gas liquid phase variable Rate.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation measuring rock gas liquid hydrocarbon experimental provision of gas-liquid phase transition speed in Flows process of the present invention.
In figure: 1 vacuum pump, 2 vacuum meters, 3 vacuum buffer tanks, 4 valves, 5 rock gas liquid hydrocarbon storage tanks, 6 valves, 7 flowmeters, 8 valves, 9 tensimeters, 10 thermometers, 11 tensimeters, 12 thermometers, 13 transparent pipelines, 14 pipe circle pump, 15 valves, 16 valves, 17 pipe circle pump, 18 valves, 19 sump pits.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described, but the present invention is not limited to following examples.
A kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process of the present invention, comprising: 1 vacuum pump, 2 vacuum meters, 3 vacuum buffer tanks, 4 valves, 5 rock gas liquid hydrocarbon storage tanks, 6 valves, 7 flowmeters, 8 valves, 9 tensimeters, 10 thermometers, 11 tensimeters, 12 thermometers, 13 transparent pipelines, 14 pipe circle pump, 15 valves, 16 valves, 17 pipe circle pump, 18 valves, 19 sump pits.
Embodiment is:
The first step: open valve 4, valve 8, valve-off 6, valve 14, valve 16, valve 18;
Second step: open vacuum pump 1 pair of transparent pipeline 13 and vacuumize, and measure vacuum pressure with vacuum meter 2;
3rd step: after the pressure of vacuum meter 2 reaches 0.03MPa, vacuumizes complete, valve-off 4;
4th step: open valve 6, makes the rock gas liquid hydrocarbon in rock gas liquid hydrocarbon storage tank 5 enter into transparent pipeline 13;
5th step: the rock gas liquid hydrocarbon amount being entered into transparent pipeline 13 by flowmeter 7 monitoring, after reaching scheduled volume, valve-off 4, valve 6, valve 8;
6th step: open valve 15, valve 16, opens pipe circle pump 14, pipe circle pump 17;
7th step: the rotating speed changing pipe circle pump 14, pipe circle pump 17, makes rock gas liquid hydrocarbon, in transparent pipeline 13, gas-liquid phase transition occur, the pressure differential simultaneously between pipe circle pump entrance and exit is ordered about rock gas liquid hydrocarbon and is flowed in transparent pipeline 13;
8th step: utilize and be arranged on the tensimeter 9 of transparent pipeline 13 pipe bent position, force value and temperature value that thermometer 10, tensimeter 11, thermometer 12 record pipe bent position;
9th step: the volume ratio being observed gas phase and liquid phase by see-through section 13;
Tenth step: the time that record gas-liquid two-phase undergoes phase transition;
11 step: valve-off 15, pipe circle pump 14, pipe circle pump 17, opens valves 18, arranges into sump pit 19 by the rock gas liquid hydrocarbon in transparent pipeline 13;
12 step: experiment test terminates.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. measure an experimental provision for rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process, be made up of vacuum pump 1, vacuum meter 2, vacuum buffer tank 3, valve 4, rock gas liquid hydrocarbon storage tank 5, valve 6, flowmeter 7, valve 8, tensimeter 9, thermometer 10, tensimeter 11, thermometer 12, transparent pipeline 13, pipe circle pump 14, valve 15, valve 16, pipe circle pump 17, valve 18, sump pit 19; It is characterized in that the rock gas liquid hydrocarbon in described rock gas liquid hydrocarbon storage tank 5 can be injected in transparent pipeline 13; The rotating speed of change pipe circle pump 14, pipe circle pump 17 can regulate the pressure differential of transparent pipeline 13 entrance and exit, thus drives rock gas liquid hydrocarbon to flow in transparent pipeline 13, and makes rock gas liquid hydrocarbon generation gas-liquid phase transition; The gas-liquid phase transition process of rock gas liquid hydrocarbon in Flows process is observed by described transparent pipeline 13.
2. a kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process as claimed in claim 1, is characterized in that the material of transparent pipeline 13 is fiberglass.
3. a kind of experimental provision measuring rock gas liquid hydrocarbon gas-liquid phase transition speed in Flows process as claimed in claim 1, is characterized in that: the shape of transparent pipeline 13 is " S " type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765085.7A CN105424880B (en) | 2015-11-11 | 2015-11-11 | Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510765085.7A CN105424880B (en) | 2015-11-11 | 2015-11-11 | Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105424880A true CN105424880A (en) | 2016-03-23 |
| CN105424880B CN105424880B (en) | 2017-05-24 |
Family
ID=55503222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510765085.7A Active CN105424880B (en) | 2015-11-11 | 2015-11-11 | Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105424880B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345378A (en) * | 2019-07-16 | 2019-10-18 | 西南石油大学 | A kind of experimental provision of the non-equilibrium gas-liquid two-phase pipeline flowing of test liquefied natural gas |
| CN114113488A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | High pressure hydrogen-doped natural gas pipeline leakage spontaneous combustion experimental device |
| CN116067834A (en) * | 2021-12-27 | 2023-05-05 | 中国石油天然气集团有限公司 | Gas rheological property testing equipment and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357329Y (en) * | 1998-08-31 | 2000-01-05 | 唐山钢铁集团有限责任公司 | Tester for phase transformation points |
| US20080034847A1 (en) * | 2006-08-10 | 2008-02-14 | Golter Lee B | Appartus and method for content discrimination |
| CN202302725U (en) * | 2011-10-10 | 2012-07-04 | 中国石油天然气股份有限公司 | Liquefied natural gas long-distance pipeline conveying device |
| CN203117138U (en) * | 2013-02-01 | 2013-08-07 | 天津商业大学 | Visualized testing system for phase change of refrigerant inside horizontal pipe |
| CN103852491A (en) * | 2014-03-20 | 2014-06-11 | 华中科技大学 | System and method for phase-state detection |
| CN104236848A (en) * | 2014-09-01 | 2014-12-24 | 江苏大学 | Gas-liquid two-phase flow phase volume fraction control and gas-liquid two-phase mixing device |
-
2015
- 2015-11-11 CN CN201510765085.7A patent/CN105424880B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357329Y (en) * | 1998-08-31 | 2000-01-05 | 唐山钢铁集团有限责任公司 | Tester for phase transformation points |
| US20080034847A1 (en) * | 2006-08-10 | 2008-02-14 | Golter Lee B | Appartus and method for content discrimination |
| CN202302725U (en) * | 2011-10-10 | 2012-07-04 | 中国石油天然气股份有限公司 | Liquefied natural gas long-distance pipeline conveying device |
| CN203117138U (en) * | 2013-02-01 | 2013-08-07 | 天津商业大学 | Visualized testing system for phase change of refrigerant inside horizontal pipe |
| CN103852491A (en) * | 2014-03-20 | 2014-06-11 | 华中科技大学 | System and method for phase-state detection |
| CN104236848A (en) * | 2014-09-01 | 2014-12-24 | 江苏大学 | Gas-liquid two-phase flow phase volume fraction control and gas-liquid two-phase mixing device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345378A (en) * | 2019-07-16 | 2019-10-18 | 西南石油大学 | A kind of experimental provision of the non-equilibrium gas-liquid two-phase pipeline flowing of test liquefied natural gas |
| CN110345378B (en) * | 2019-07-16 | 2020-11-24 | 西南石油大学 | Experimental device for testing flow of liquefied natural gas non-equilibrium gas-liquid two-phase pipeline |
| CN114113488A (en) * | 2021-12-02 | 2022-03-01 | 西南石油大学 | High pressure hydrogen-doped natural gas pipeline leakage spontaneous combustion experimental device |
| CN114113488B (en) * | 2021-12-02 | 2023-06-27 | 西南石油大学 | Leakage spontaneous combustion experimental device for high-pressure hydrogen-doped natural gas pipeline |
| CN116067834A (en) * | 2021-12-27 | 2023-05-05 | 中国石油天然气集团有限公司 | Gas rheological property testing equipment and using method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105424880B (en) | 2017-05-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3095753B1 (en) | Chemical dosing device and method for dosage metering and control | |
| CN203178161U (en) | Fracturing fluid pipeline friction resistance measuring device | |
| CN202533355U (en) | System for simulating field dynamic corrosion of acid natural gas field | |
| CN205301140U (en) | Simulation oil pipe corrodes visual device of scale deposit | |
| CN201330602Y (en) | Device for measuring high viscosity thick oil flow | |
| CN102169112A (en) | Device and method for research of low-dosage inhibitor of natural gas hydrate | |
| CN105424880A (en) | Experimental device for determining gas and liquid phase variable rate in the flowing process of natural gas liquid hydrocarbon in pipeline | |
| CN103822672B (en) | A kind of measuring method of the constant volume tube piston type oil-gas-water three phase flow quantity meter based on gas-liquid pre-separation | |
| CN109708707A (en) | A kind of gas flow surveying instrument and measurement method | |
| Colombo et al. | Influence of sudden contractions on in situ volume fractions for oil–water flows in horizontal pipes | |
| CN104914012A (en) | Carbon dioxide no-water fracturing fluid filtration characteristics test system and test method | |
| RU2641337C1 (en) | Stand for simulating process of inclined-directed gas-liquid flows | |
| CN202256098U (en) | Device for measuring density of liquid on line | |
| CN104234691A (en) | High-precision real-time online multi-phase flow meter for oil field | |
| CN205619974U (en) | Laboratory is with physical simulation high accuracy three-phase metering device | |
| CN202092840U (en) | Leak detection system of gas flow standard device | |
| CN103245387A (en) | Small-liquid-amount gas-liquid two-phase oil well meter | |
| CN206523416U (en) | A kind of experimental provision for detecting multiple gases to Oilfield Water Injection Pipelines internal corrosion | |
| CN110441229A (en) | A kind of horizontal RTP tube road friction test experimental system and method | |
| CN202255828U (en) | Device for detecting flow rule of hydrate slurries in pipeline | |
| CN201546709U (en) | Screen pipe well completion simulation testing device | |
| CN205317704U (en) | Survey natural gas liquid hydrocarbon gas liquid phase becomes static experimental apparatus of process | |
| Xu et al. | A Study of Downhole Gas Injection Flow Measurement Method | |
| CN105318924B (en) | Gas-liquid/stream-liquid two-phase flow Flow Measuring System and measurement method | |
| CN204043736U (en) | Solution-type current surveying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |