CN206959918U - Orifice vortex street gas-liquid metering device - Google Patents
Orifice vortex street gas-liquid metering device Download PDFInfo
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- CN206959918U CN206959918U CN201720765168.0U CN201720765168U CN206959918U CN 206959918 U CN206959918 U CN 206959918U CN 201720765168 U CN201720765168 U CN 201720765168U CN 206959918 U CN206959918 U CN 206959918U
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- flow
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- 239000007788 liquid Substances 0.000 title claims abstract description 95
- 238000005259 measurement Methods 0.000 claims abstract description 7
- 238000004364 calculation method Methods 0.000 claims abstract description 5
- 230000004907 flux Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000005514 two-phase flow Effects 0.000 abstract description 3
- 239000011148 porous material Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000000205 computational method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Measuring Volume Flow (AREA)
Abstract
The utility model discloses a pore plate vortex street gas-liquid metering device, including the whirl gas-liquid mixer, orifice plate throttling arrangement and the vortex flowmeter that connect gradually, whirl gas-liquid mixer is used for mixing the gas-liquid two-phase flow homogeneous mixing into vaporific flow, orifice plate throttling arrangement is used for right the gas-liquid two-phase flow produces differential pressure, the vortex flowmeter is used for measuring mixed fluid operating mode volume flow, whirl gas-liquid mixer, orifice plate throttling arrangement and vortex flowmeter are connected to respectively and are used for gas, liquid flow calculation, output and the gas-liquid flow calculator that shows. The utility model discloses simple structure, with low costs, measurement accuracy are higher. The device is installed on the gas well, can master the production condition of the gas well in real time, guides production measures such as drainage and gas production and the like to be timely and effectively carried out on the gas well, and guarantees normal production of the gas well.
Description
Technical field
The utility model belongs to the technical field of flow measurement, and in particular to a kind of gas-liquid two-phase applied to gas well regardless of
From measurement apparatus.
Background technology
Traditional gas field one-well metering mainly uses gas-liquid separation metering process, and flow is complicated, and investment is high.In recent years, state
Interior gas field applies all kinds of gas-liquid two-phases and does not separate metering device, is directly used in the metering of gas well mouth gas-liquid two-phase, domestic existing
Flowmeter calculates liquid holdup by measuring diaphragm differential pressure fluctuation range value (relative variance for calculating differential pressure square root), and then obtains
Outlet flow quantity, but because the factors such as fluid machinery magazine, airflow fluctuation, differential pressure pick-up precision influence, differential pressure fluctuation amplitude
Value can not react liquid holdup completely, cause error in dipping to increase, restricted application.
Utility model content
Technical problem to be solved in the utility model is to be directed to above-mentioned deficiency of the prior art, there is provided a kind of orifice plate
Vortex street gas-liquid two-phase metering device, solve gas well gas-liquid two-phase on-line metering problem, instead of traditional separate measurement technique, simplify
Technological process, reduce investment.
The utility model uses following technical scheme：
A kind of orifice plate vortex street gas-liquid metering device, including be sequentially connected cyclone gas-liquid blender, throttle orifice plate apparatus with
And vortex-shedding meter, the cyclone gas-liquid blender are used to biphase gas and liquid flow being uniformly mixed into mist flow, the orifice throttle
Device is used to produce the biphase gas and liquid flow differential pressure, and the vortex-shedding meter is used to measure fluid-mixing operating mode volume flow,
Cyclone gas-liquid blender, throttle orifice plate apparatus and the vortex-shedding meter are respectively connecting to be used for air-liquid flow rate calculation, output
With the gas-liquid Flow Meter Based of display.
Further, pressure transmitter, the hole are provided between the cyclone gas-liquid blender and throttle orifice plate apparatus
Differential pressure transmitter is provided with plate throttling arrangement, temperature pick-up is provided between the throttle orifice plate apparatus and vortex-shedding meter
Device, the pressure transmitter, differential pressure transmitter, temperature transmitter and vortex-shedding meter pass through signal wire and the gas-liquid flow respectively
Measure calculating instrument connection.
Further, the gas-liquid Flow Meter Based is arranged in the differential pressure transmitter.
Further, the cyclone gas-liquid blender, throttle orifice plate apparatus and vortex-shedding meter are connected using flange.
Further, the cyclone gas-liquid blender, vortex-shedding meter and throttle orifice plate apparatus are connected using flange.
Further, the inlet end of the cyclone gas-liquid blender is connected by block valve with gas well mouth.
Further, the vortex-shedding meter is connected by gate valve with flow line.
Compared with prior art, the utility model at least has the advantages that：
The utility model orifice plate vortex street gas-liquid metering device passes through measurement gas that orifice flowmeter is connected with vortex-shedding meter
Liquid two-phase amount, and device leading portion is provided with cyclone gas-liquid blender, gas-liquid two-phase is uniformly mixed approximate mist flow, make meter
The fluid-mixing operating mode averag density calculated is more nearly actual value, improves flow measurement precision.
Further, pressure transmitter, differential pressure transmitter and temperature transmitter is set to be respectively used to measure hydrostatic pressure, stream
Body flows through front and rear differential pressure, fluid temperature (F.T.) caused by throttling arrangement.
Further, gas-liquid Flow Meter Based can be arranged in differential pressure transmitter with modularization, simplify structure.
Further, cyclone gas-liquid blender, throttle orifice plate apparatus and vortex-shedding meter are sequentially connected using flange, and hole
Plate throttling arrangement and the interchangeable installation of vortex-shedding meter, it is easy to be installed according to live gas well mouth actual size.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is the utility model orifice plate vortex street gas-liquid metering structure drawing of device；
Fig. 2 is the utility model orifice plate vortex street gas-liquid metering device installation procedure.
Wherein：1. cyclone gas-liquid blender；2. throttle orifice plate apparatus；3. pressure transmitter；4. differential pressure transmitter；5. temperature
Transmitter；6. vortex-shedding meter；7. gas-liquid Flow Meter Based；8. signal wire.
Embodiment
Referring to Fig. 1, the utility model discloses a kind of orifice plate vortex street gas-liquid two-phase metering device, including for by gas-liquid
It is mixed that two phase flow is uniformly mixed into the cyclone gas-liquid blender 1 of mist flow, the throttle orifice plate apparatus 2 for producing differential pressure and measurement
Close the vortex-shedding meter 6 of fluid condition volume flow.
The cyclone gas-liquid blender 1, throttle orifice plate apparatus 2 and vortex-shedding meter 6 are sequentially connected using flange, the rotation
Pressure transmitter 3 is provided between gas liquid mixer 1 and throttle orifice plate apparatus 2, difference is provided with the throttle orifice plate apparatus 2
Pressure transmitter 4, temperature transmitter 5 is set between the throttle orifice plate apparatus 2 and vortex-shedding meter 6,
Fluid-mixing produces differential pressure by the throttle orifice plate apparatus 2, passes through pressure transmitter 3, differential pressure transmitter 4, temperature
Degree transmitter 5 and vortex-shedding meter 6 measure differential pressure, temperature and fluid condition volume flow before and after hydrostatic pressure, orifice plate respectively
Parameter, the pressure transmitter 3, differential pressure transmitter 4, temperature transmitter 5 and vortex-shedding meter 6 will be surveyed by signal wire 8 respectively
Amount signal is transmitted to gas-liquid Flow Meter Based 7, is carried out air-liquid flow rate calculation, output by the gas-liquid Flow Meter Based 7 and is shown
Show.
Preferably, gas-liquid Flow Meter Based 7 can modularization be built in the gauge outfit of differential pressure transmitter 4, be easy to simplify knot
Structure.
Preferably, throttle orifice plate apparatus 2 and vortex-shedding meter 6 the interchanging positions installation.
Fig. 1 and Fig. 2 are referred to, the utility model orifice plate vortex street gas-liquid two-phase computational methods are as follows：
S1, the gas-liquid two-phase fluid come out from Wellbore of Gas Wells enter the present apparatus after a series of elbows, valve, pass through first
Cyclone gas-liquid blender 1, make gas-liquid mixed approximation mist flow；
S2 and then process throttle orifice plate apparatus and vortex-shedding meter, gas-liquid mixture fluid pass through the throttle orifice plate apparatus
By the differential pressure, pressure, temperature parameter measured, fluid-mixing mass flow can be drawn；
The mass flow Q of the throttle orifice plate apparatusmSee below formula：
Wherein, C is efflux coefficient, and β is throttling arrangement diameter ratio, and the ε coefficients of expansion, d is orifice plate aperture, when throttling arrangement one
When calmly, known to Fluid pressure, temperature, above parameter can directly be calculated；ρ is gas-liquid mixture fluid operating mode averag density, is
Unknown quantity；Δ Ρ is differential pressure, is measured by differential pressure pick-up.
The vortex-shedding meter can provide fluid-mixing operating mode volume flow Qv, fluid passes through throttle orifice plate apparatus and vortex street
The flow of flowmeter should be equal, and following formula is can obtain according to formula (1)：
Wherein, C is efflux coefficient, and β is throttling arrangement diameter ratio, and the ε coefficients of expansion, d is orifice plate aperture, when throttling arrangement one
When calmly, known to Fluid pressure, temperature, above parameter can directly be calculated；ρ is gas-liquid mixture fluid operating mode averag density, is
Unknown quantity；Δ Ρ is differential pressure, is measured by differential pressure pick-up.
S3, set pressure sensor, differential pressure pick-up, temperature sensor, vortex-shedding meter by the Fluid pressure measured,
Differential pressure, fluid temperature (F.T.), fluid condition volume flow parameter are transmitted to gas-liquid Flow Meter Based by signal wire before and after orifice plate；
S4, gas-liquid Flow Meter Based according to method of calculating flux calculate each phase volume flow of output air-liquid, Fluid pressure,
The parameters such as temperature.
Fluid-mixing operating mode averag density ρ can be calculated according to formula (2) and see below formula：
Fluid-mixing operating mode volume flow is the single-phase operating mode volume flow sum Q of air-liquidvIt is as follows：
Qv=QGas+QLiquid (4)
Fluid-mixing mass flow is the single-phase mass flow sum Q of air-liquidvρ is as follows：
Qvρ=QGasρGas+QLiquidρLiquid (5)
The single-phase mark condition density of air-liquid can be measured by sampling, pressure, the temperature measured according to pressure, temperature sensor
Parameter, the single-phase operating mode density p of air-liquid can be calculatedGas、ρLiquid, each phase operating mode of air-liquid can be calculated by formula (4), (5) joint solution
Volume flow.
Wherein, ρ is fluid-mixing operating mode averag density, ρGas、ρLiquidFor the single-phase operating mode density of air-liquid, QvFor the single-phase work of air-liquid
Condition volume flow sum, according to known Fluid pressure, temperature parameter, gas-liquid operating mode volume flow can be drawn by formula (6), (7)
Amount.
Whole metering device is advantageous in that：It is simple in construction, cost is low, measuring accuracy is higher.The device is installed on gas well,
Gas well liquid loading situation can be grasped in real time, instructs timely and effectively to carry out gas well the production measure such as water pumping gas production, ensureing gas well just
Often production.
Above content is only to illustrate technological thought of the present utility model, it is impossible to limits protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme, each fall within this reality
Within protection domain with new claims.
Claims (7)
- A kind of 1. orifice plate vortex street gas-liquid metering device, it is characterised in that including be sequentially connected cyclone gas-liquid blender (1), hole Plate throttling arrangement (2) and vortex-shedding meter (6), the cyclone gas-liquid blender (1) are used to uniformly mix biphase gas and liquid flow Nebulize stream, and the throttle orifice plate apparatus (2) is used to produce the biphase gas and liquid flow differential pressure, and the vortex-shedding meter (6) is used In measurement fluid-mixing operating mode volume flow, the cyclone gas-liquid blender (1), throttle orifice plate apparatus (2) and flux of vortex street Meter (6) is respectively connecting to for air-liquid flow rate calculation, output and the gas-liquid of display Flow Meter Based (7).
- A kind of 2. orifice plate vortex street gas-liquid metering device according to claim 1, it is characterised in that the cyclone gas-liquid mixing Pressure transmitter (3) is provided between device (1) and throttle orifice plate apparatus (2), differential pressure is provided with the throttle orifice plate apparatus (2) Transmitter (4), temperature transmitter (5), the pressure are provided between the throttle orifice plate apparatus (2) and vortex-shedding meter (6) Power transmitter (3), differential pressure transmitter (4), temperature transmitter (5) and vortex-shedding meter (6) respectively by signal wire (8) with it is described Gas-liquid Flow Meter Based (7) connects.
- A kind of 3. orifice plate vortex street gas-liquid metering device according to claim 2, it is characterised in that the gas-liquid flow rate calculation Instrument (7) is arranged in the differential pressure transmitter (4).
- A kind of 4. orifice plate vortex street gas-liquid metering device according to claim 1, it is characterised in that the cyclone gas-liquid mixing Device (1), throttle orifice plate apparatus (2) and vortex-shedding meter (6) are connected using flange.
- A kind of 5. orifice plate vortex street gas-liquid metering device according to claim 4, it is characterised in that the cyclone gas-liquid mixing Device (1), vortex-shedding meter (6) and throttle orifice plate apparatus (2) are connected using flange.
- A kind of 6. orifice plate vortex street gas-liquid metering device according to claim 1, it is characterised in that the cyclone gas-liquid mixing The inlet end of device (1) is connected by block valve with gas well mouth.
- A kind of 7. orifice plate vortex street gas-liquid metering device according to claim 1, it is characterised in that the vortex-shedding meter (6) it is connected by gate valve with flow line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765168.0U CN206959918U (en) | 2017-06-28 | 2017-06-28 | Orifice vortex street gas-liquid metering device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720765168.0U CN206959918U (en) | 2017-06-28 | 2017-06-28 | Orifice vortex street gas-liquid metering device |
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| Publication Number | Publication Date |
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| CN206959918U true CN206959918U (en) | 2018-02-02 |
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| CN201720765168.0U Active CN206959918U (en) | 2017-06-28 | 2017-06-28 | Orifice vortex street gas-liquid metering device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290008A (en) * | 2017-06-28 | 2017-10-24 | 中国石油天然气股份有限公司 | Orifice vortex street gas-liquid metering device and calculation method thereof |
| CN108756822A (en) * | 2018-05-29 | 2018-11-06 | 潘嘉 | A kind of shale gas well factory's gas producing device and technological process |
| CN115047918A (en) * | 2022-06-01 | 2022-09-13 | 山东非金属材料研究所 | Micro-flow gas mass flow controller and control method |
-
2017
- 2017-06-28 CN CN201720765168.0U patent/CN206959918U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290008A (en) * | 2017-06-28 | 2017-10-24 | 中国石油天然气股份有限公司 | Orifice vortex street gas-liquid metering device and calculation method thereof |
| CN108756822A (en) * | 2018-05-29 | 2018-11-06 | 潘嘉 | A kind of shale gas well factory's gas producing device and technological process |
| CN115047918A (en) * | 2022-06-01 | 2022-09-13 | 山东非金属材料研究所 | Micro-flow gas mass flow controller and control method |
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