CN209446110U - A kind of biphase gas and liquid flow parameter on-line measuring device - Google Patents
A kind of biphase gas and liquid flow parameter on-line measuring device Download PDFInfo
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- CN209446110U CN209446110U CN201822226416.1U CN201822226416U CN209446110U CN 209446110 U CN209446110 U CN 209446110U CN 201822226416 U CN201822226416 U CN 201822226416U CN 209446110 U CN209446110 U CN 209446110U
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Abstract
The utility model discloses a kind of biphase gas and liquid flow parameter on-line measuring device, device includes integrated gauge outfit and the ultrasonic measurement module and differential pressure measurement module that are mounted on pipeline section；The ultrasonic measurement module is arranged in the upstream of differential pressure measurement module, and the output signal of ultrasonic measurement module and differential pressure measurement module is connected to integrated gauge outfit.The utility model can measure the single-phase flow parameter of gas phase and liquid phase fluid-mixing, ultrasonic flowmeter and restriction flowmeter effective height are combined, have the characteristics that integration, instrumentation design, small in size, small power consumption, cost performance height, high reliablity, service life are long, it can be used in the production of oil well implication, well head natural gas water content rate, void fraction, water yield per day, daily output tolerance on-line monitoring, the accurate metering of unsaturated steam or the measurement of other gas-liquid two-phase media.
Description
Technical field
The utility model belongs to biphase gas and liquid flow detection technique field, and the well head natural gas water content rate for being related to gas field is examined online
The biphase gas and liquid flow parameter on-line checking of survey and other field, especially a kind of biphase gas and liquid flow parameter on-line measuring device.
Background technique
Biphase gas and liquid flow is widely present in the industrial circles such as petroleum, chemical industry, due to the multiplicity of biphase gas and liquid flow distribution situation
Property and variability, cause biphase gas and liquid flow big compared to the parameter measurement difficulty of single-phase flow, traditional effective to biphase gas and liquid flow
Measurement mostly use separate type to measure, gas phase and liquid phase are separated, after separation become monophasic fluid, then use single-phase flow
The measurement method of body respectively measures gas phase and liquid phase, this separate type measurement method, generally bulky, at high cost,
It can not real-time perfoming gas-liquid two-phase flow parameter measurement.Therefore, a kind of integration, instrumentation, small in size, small power consumption, sexual valence are designed
The biphase gas and liquid flow parameter measurement instrument device longer than high, high reliablity, service life has important practical application value.
Utility model content
It is online to provide a kind of biphase gas and liquid flow parameter for the shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts
Detection device is the biphase gas and liquid flow water content on-line testing device based on ultrasonic flowmeter combination differential pressure flowmeter.
The purpose of this utility model is achieved through the following technical solutions:
The biphase gas and liquid flow parameter on-line measuring device of the utility model includes integrated gauge outfit and is mounted on pipeline section
Ultrasonic measurement module and differential pressure measurement module；The upstream of differential pressure measurement module is arranged in the ultrasonic measurement module, surpasses
The output signal of acoustic measurement module and differential pressure measurement module is connected to integrated gauge outfit.
Further, above-mentioned integrated gauge outfit includes MCU module, and the MCU module is connected separately with power module, EEPROM
Memory module, automatic gain control module, the acquisition function for temperature collection, pressure, differential pressure and ultrasonic echo signal
Module, the flow output function module exported for pulse output and constant-current source, communication function module and for key setting and
The menu function module of liquid crystal display.
Further, above-mentioned communication function module includes RS485 communication and NB-IOT wireless communication.
Further, above-mentioned ultrasonic measurement module and differential pressure measurement module are mounted on straight-run of pipe, the both ends point of straight tube
It is not provided with the flange being connected to pipeline section.
Further, the throttling element of above-mentioned differential pressure measurement module is wedge-shaped throttling element.
Further, above-mentioned ultrasonic measurement module include temperature sensor, pressure sensor, the first ultrasonic transducer,
Second ultrasonic transducer, third ultrasonic transducer and the 4th ultrasonic transducer；Wherein the first ultrasonic transducer and
Two ultrasonic transducers be on same axis and it is oblique respectively be oppositely arranged on tube wall, third ultrasonic transducer and the 4th
Ultrasonic transducer be on same axis and it is oblique respectively be oppositely arranged on tube wall, two axis of four ultrasonic transducers
Line is in X-type；The temperature sensor and pressure sensor are separately positioned on the front and back pipe of four ultrasonic transducer installation sites
On wall.
Further, above-mentioned differential pressure measurement module includes differential pressure pick-up and wedge-shaped throttling element, and the wedge shape throttling element is located at
In inner wall of the pipe, the two sides of the differential pressure pick-up are respectively communicated to that the front-rear position of the pipeline of wedge-shaped throttling element is arranged.
Compared with prior art, the utility model has the following beneficial effects:
The detection device of the utility model is the biphase gas and liquid flow ginseng based on ultrasonic flowmeter combination differential pressure flowmeter
Number on-line measuring device is obtained according to the flow principle for the fluid that ultrasonic flowmeter and differential pressure flowmeter measure
Fluid-mixing averag density, then liquid bulk can be calculated by fluid-mixing averag density, gas density and fluid density
Fraction and gas volume fraction, compared with existing biphase gas and liquid flow parameter: the utility model have integration, instrumentation,
It is small in size, low-power consumption, radiationless and do not need to separate biphase gas and liquid flow, it can directly carry out biphase gas and liquid flow ginseng
Several measurements.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of the utility model.
Fig. 2 is the module frame chart of the integrated gauge outfit 7 in utility model device.
Wherein: A is ultrasonic measurement module；B is differential pressure measurement module；1 is the first ultrasonic transducer；2 be the second to surpass
Acoustic wave transducer；3 be third ultrasonic transducer；4 be the 4th ultrasonic transducer；5 be pressure sensor；6 be temperature sensing
Device；7 be integrated gauge outfit；8 be differential pressure pick-up；9 be wedge-shaped throttling element；10 be flange；11 be pipeline section.
Specific embodiment
With reference to the accompanying drawing to the utility model relates to measuring device be described in further detail:
Referring to Fig. 1: the biphase gas and liquid flow parameter on-line measuring device of the utility model: including integrated gauge outfit 7 and peace
Ultrasonic measurement modules A and differential pressure measurement module B on pipeline section 11；Ultrasonic measurement modules A is arranged in differential pressure measurement mould
The output signal of the upstream of block B, ultrasonic measurement modules A and differential pressure measurement module B are connected to integrated gauge outfit 7.Ultrasound
Amount modules A and differential pressure measurement module B are mounted on straight-run of pipe, and the both ends of straight tube are respectively arranged with the flange being connected to pipeline section 11
10.The throttling element of differential pressure measurement module B is wedge-shaped throttling element.
Ultrasonic measurement modules A includes temperature sensor 6, pressure sensor 5, first the 1, second ultrasound of ultrasonic transducer
Wave transducer 2, third ultrasonic transducer 3 and the 4th ultrasonic transducer 4；Wherein the first ultrasonic transducer 1 and the second surpass
Acoustic wave transducer 2 be on same axis and it is oblique respectively be oppositely arranged on tube wall, third ultrasonic transducer 3 and four surpasses
Acoustic wave transducer 4 be on same axis and it is oblique respectively be oppositely arranged on tube wall, two axis of four ultrasonic transducers
Line is in X-type；Temperature sensor 6 and pressure sensor 5 are separately positioned on the front and back tube wall of four ultrasonic transducer installation sites
On.
Differential pressure measurement module B includes differential pressure pick-up 8 and wedge-shaped throttling element 9, and wedge-shaped throttling element 9 is located in inner wall of the pipe,
The two sides of differential pressure pick-up 8 are respectively communicated to that the front-rear position of the pipeline of wedge-shaped throttling element 9 is arranged.
The ultrasonic measurement modules A of the utility model is measured, is obtained to fluid-mixing based on ultrasonic measurement principle
To fluid-mixing flow q1.The throttling element of differential pressure measurement module B is wedge-shaped throttling element 9, also referred to as wedge flow meter, is based on wedge
Pressure difference in 9 front and rear pipes of shape throttling element carries out flow measurement.
As shown in Fig. 2, the integrated gauge outfit 7 of the utility model includes MCU module, which is connected separately with power supply
Module, automatic gain control module, is used for temperature collection, pressure, differential pressure and ultrasonic echo signal at EEPROM memory module
Acquisition functional module, export for pulse output and constant-current source flow output function module, communication function module and be used for
The menu function module of key setting and liquid crystal display.Wherein communication function module includes RS485 communication and NB-IOT channel radio
Letter.
The integrated gauge outfit 7 of the utility model realize control in entire measurement process, acquisition, operation, output and
Communication function, wherein the core of entire integration gauge outfit 7 is MCU module, which controls the work of aforementioned peripheral module, and interior
The information collection of each module can be carried out operation by the calculation function in portion, obtain biphase gas and liquid flow parameter.
The utility model testing principle is as follows:
Simultaneously using the flow of biphase gas and liquid flow in ultrasonic flowmeter and differential pressure flowmeter measurement pipeline, the differential pressure
The throttling element of formula flowmeter is wedge-shaped throttling element；Wherein, the flow that ultrasonic flow rate measurement measures is q1, differential pressure flowmeter
Measuring obtained flow is q2；
The flow q for the biphase gas and liquid flow that ultrasonic flow rate measurement obtains1Are as follows: q1=v*s, wherein v is ultrasonic flowmeter institute
Obtained fluid velocity, s are pipeline section product.
The flow q of biphase gas and liquid flow measured by differential pressure flowmeter2Are as follows:Wherein, K
For discharge coefficient,Δ P is the pressure difference in wedge-shaped throttling element front and rear pipes, and ρ is mixed flow
Body averag density, in K, C is efflux coefficient, and β is diameter ratio, and ε is the coefficient of expansion, and d is throttling element aperture.
According to the flow principle that ultrasonic flowmeter and differential pressure flowmeter measurement obtain, i.e. q1=q2, obtain gas-liquid
The averag density ρ of two phase flow fluid, i.e. ρ=Δ P*K2/(v*S)2, wherein K is discharge coefficient, and Δ P is differential pressure flowmeter
Pressure difference in wedge-shaped throttling element front and rear pipes, v are the obtained fluid velocity of ultrasonic flowmeter, and S is pipeline section product；
Liquid volume fraction LVF in biphase gas and liquid flow are as follows:
Fluid flow q in biphase gas and liquid flowLiquidAre as follows: qStream=q1*LVF；
The volume fraction GVF of gas in biphase gas and liquid flow are as follows: GVF=1-LVF.
Gas flow q in biphase gas and liquid flowGasAre as follows: qGas=q1*GVF；
In above formula, ρGasFor the density of gas in biphase gas and liquid flow, the ρGasIt can be according in national standard GB/T11062-2014
Density calculation method obtain.ρLiquidIt is the density of liquid in biphase gas and liquid flow, site of deployment actual liquid can be sampled and be set
It is fixed.
According to the above working principle, the course of work of the utility model biphase gas and liquid flow parameter on-line measuring device is as follows:
Ultrasonic measurement modules A realizes the flow measurement of fluids within pipes, sends ultrasound by the first ultrasonic transducer 1
Wave signal, the reception of the second ultrasonic transducer 2 obtain the first ultrasonic echo signal, and the second ultrasonic transducer 2 sends ultrasound
Wave signal, the reception of the first ultrasonic transducer 1 obtain the second ultrasonic echo signal, and third ultrasonic transducer 3 sends ultrasound
Wave signal, then the reception of the 4th ultrasonic transducer 4 obtains third ultrasonic echo signal, and the 4th ultrasonic transducer 4 is sent
Ultrasonic signal, the reception of third ultrasonic transducer 3 obtain the 4th ultrasonic echo signal, are believed according to the first ultrasonic echo
Number, the second ultrasonic echo signal, third ultrasonic echo signal and the 4th ultrasonic echo signal, by integrated table
Algorithm in head realizes flow rate calculation, and the flow that ultrasonic measurement module obtains is q1.Integrated 7 temperature collection sensor of gauge outfit
6 and pressure sensor 5 signal, and pass through operation, obtain the measured value of temperature and pressure.Differential pressure measurement module B can be obtained
Differential pressure signal Δ P generates pressure difference by wedge-shaped throttling element 9 before and after throttling element, and differential pressure pick-up 8 can be measured that differential pressure
Signal, integrated gauge outfit 7 are acquired differential pressure signal.The flow of differential pressure flowmeter is q2。
In conclusion the utility model can measure the single-phase flow parameter of gas phase and liquid phase fluid-mixing, by ultrasonic wave
Flowmeter and restriction flowmeter effective height combine, and have the characteristics that integration, instrumentation design, small in size, small power consumption, property
Valence is longer than high, high reliablity, service life, can be used in the production of oil well implication, well head natural gas water content rate, void fraction, daily output water
Amount, daily output tolerance on-line monitoring, the accurate metering of unsaturated steam or the measurement of other gas-liquid two-phase media.
Claims (7)
1. a kind of biphase gas and liquid flow parameter on-line measuring device, which is characterized in that including integrated gauge outfit (7) and be mounted on pipe
Ultrasonic measurement modules A and differential pressure measurement module B in section (11)；The ultrasonic measurement modules A is arranged in differential pressure measurement mould
The output signal of the upstream of block B, ultrasonic measurement modules A and differential pressure measurement module B are connected to integrated gauge outfit (7).
2. biphase gas and liquid flow parameter on-line measuring device according to claim 1, which is characterized in that the ultrasonic measurement
Modules A and differential pressure measurement module B are mounted on straight-run of pipe, and the both ends of straight tube are respectively arranged with the flange being connected to pipeline section (11)
(10)。
3. biphase gas and liquid flow parameter on-line measuring device according to claim 1, which is characterized in that the differential pressure measurement mould
The throttling element of block B is wedge-shaped throttling element.
4. biphase gas and liquid flow parameter on-line measuring device according to claim 1, which is characterized in that the ultrasonic measurement
Modules A include temperature sensor (6), pressure sensor (5), the first ultrasonic transducer (1), the second ultrasonic transducer (2),
Third ultrasonic transducer (3) and the 4th ultrasonic transducer (4)；Wherein the first ultrasonic transducer (1) and the second ultrasonic wave
Energy converter (2) be on same axis and it is oblique respectively be oppositely arranged on tube wall, third ultrasonic transducer (3) and four surpasses
Acoustic wave transducer (4) be on same axis and it is oblique respectively be oppositely arranged on tube wall, two of four ultrasonic transducers
Axis is in X-type；The temperature sensor (6) and pressure sensor (5) are separately positioned on four ultrasonic transducer installation sites
Front and back tube wall on.
5. biphase gas and liquid flow parameter on-line measuring device according to claim 1, which is characterized in that the differential pressure measurement mould
Block B includes differential pressure pick-up (8) and wedge-shaped throttling element (9), and the wedge shape throttling element (9) is located in inner wall of the pipe, the differential pressure
The two sides of sensor (8) are respectively communicated to that the front-rear position of the pipeline of wedge-shaped throttling element (9) is arranged.
6. biphase gas and liquid flow parameter on-line measuring device according to claim 1, which is characterized in that the integration gauge outfit
(7) include MCU module, the MCU module be connected separately with power module, EEPROM memory module, automatic gain control module,
For temperature collection, pressure, differential pressure and ultrasonic echo signal acquisition functional module, for pulse output and constant-current source it is defeated
Flow output function module, communication function module and the menu function module for key setting and liquid crystal display out.
7. biphase gas and liquid flow parameter on-line measuring device according to claim 6, which is characterized in that the communication function mould
Block includes RS485 communication and NB-IOT wireless communication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822226416.1U CN209446110U (en) | 2018-12-27 | 2018-12-27 | A kind of biphase gas and liquid flow parameter on-line measuring device |
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| CN201822226416.1U CN209446110U (en) | 2018-12-27 | 2018-12-27 | A kind of biphase gas and liquid flow parameter on-line measuring device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608781A (en) * | 2019-10-29 | 2019-12-24 | 上海洛丁森工业自动化设备有限公司 | Flow measuring device for gas-liquid mixed fluid and measuring system comprising same |
| CN112129363A (en) * | 2020-10-30 | 2020-12-25 | 西安安森智能仪器股份有限公司 | Gas-liquid two-phase flow measuring device based on capacitance sensor |
-
2018
- 2018-12-27 CN CN201822226416.1U patent/CN209446110U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608781A (en) * | 2019-10-29 | 2019-12-24 | 上海洛丁森工业自动化设备有限公司 | Flow measuring device for gas-liquid mixed fluid and measuring system comprising same |
| CN112129363A (en) * | 2020-10-30 | 2020-12-25 | 西安安森智能仪器股份有限公司 | Gas-liquid two-phase flow measuring device based on capacitance sensor |
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