CN215338446U - Gas-liquid ratio measuring device with on-line non-timing acquisition - Google Patents
Gas-liquid ratio measuring device with on-line non-timing acquisition Download PDFInfo
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- CN215338446U CN215338446U CN202120512023.6U CN202120512023U CN215338446U CN 215338446 U CN215338446 U CN 215338446U CN 202120512023 U CN202120512023 U CN 202120512023U CN 215338446 U CN215338446 U CN 215338446U
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Abstract
The utility model discloses a gas-liquid ratio measuring device for online non-timing acquisition, which comprises an input pipeline, an output pipeline, a first switching device, a second switching device, a pressure sensor and a volume adjusting device, wherein one end of a working pipeline and one end of a testing pipeline are connected with the input pipeline, the other end of the working pipeline and the other end of the testing pipeline are connected with the output pipeline; the technical scheme of the utility model can obtain the volume change and the pressure change value of the gas-liquid two-phase fluid, and further can calculate and obtain the gas-liquid ratio of the gas-liquid two-phase fluid directly according to the volume change value and the pressure change value.
Description
Technical Field
The utility model relates to the technical field of gas-liquid ratio measuring equipment, in particular to a gas-liquid ratio measuring device capable of collecting on line at irregular time.
Background
The online measurement of the gas-liquid ratio is an application problem, and the actual using device has lower precision or is expensive.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an online non-timing acquisition gas-liquid ratio measuring device which can realize online measurement and automatic switching sampling, does not influence the normal operation of a system, and has low price and high accuracy.
In order to achieve the above object, the present invention provides an online non-periodically collected gas-liquid ratio measuring device, comprising:
an input pipeline and an output pipeline;
the device comprises a working pipeline and a testing pipeline, wherein one end of the working pipeline and one end of the testing pipeline are connected with the input pipeline, and the other end of the working pipeline and one end of the testing pipeline are connected with the output pipeline; and the number of the first and second groups,
the first switching device is used for switching one of the working pipeline and the testing pipeline to be communicated with the input pipeline;
the second switching device is used for switching one of the working pipeline and the testing pipeline to be communicated with the output pipeline;
the pressure sensor is used for detecting the pressure of the test pipeline; and the number of the first and second groups,
the volume adjustable device is provided with an adjusting cavity, the adjusting cavity is communicated with the testing pipeline, and the volume of the adjusting cavity can be adjusted.
Optionally, the first switching device comprises a first three-way valve disposed between the input line and the working and test lines.
Optionally, the first switching device comprises a second three-way valve disposed between the output line and the working and test lines.
Optionally, the adjustment chamber comprises a test cylinder.
Optionally, the number of the adjusting cavities is multiple, the maximum capacities of the adjusting cavities are different, and the adjusting cavities can be selectively communicated with the test pipeline.
Optionally, the adjusting cavity comprises a first cavity and a second cavity in threaded sleeve connection with the first cavity, so that the size of a cavity formed by enclosing the first cavity and the second cavity together is adjusted through a screw.
Optionally, the gas-liquid ratio measuring device that on-line untimely gathers still includes the discharge branch road, the discharge branch road with test tube coupling, just be provided with the control valve on the discharge branch road.
The working process of the online non-timing acquisition gas-liquid ratio measuring device provided by the utility model is as follows:
switching the first switching device and the second switching device to communicate the test pipeline with the input pipeline and the output pipeline to sample a gas-liquid two-phase fluid, changing the volume of the adjustment cavity by the volume adjustable device, and obtaining the pressure measured by the pressure sensor in real time after the sampling is completed, so that the working pipeline is communicated with the input pipeline and the output pipeline, and the test pipeline is kept in a closed state to form a closed cavity, and finally obtaining the gas-liquid ratio of the gas-liquid two-phase fluid only by obtaining the volume change value of the adjustment cavity and the pressure change value detected by the pressure sensor, specifically, the adjustment of the adjustment cavity by adding the volume of the gas in the closed cavity (specifically, the embodiment of the utility model is an increment body of piston displacement) Product) causes a corresponding pressure change, where the liquid phase changes in volume and is negligibly small, all pressure changes being considered to be caused by the gas phase. The increment volume is given by testing, and the pressure is a measured value, so that the gas volume of the flow in the closed cavity, namely the gas-liquid ratio of the gas-liquid two-phase flow can be calculated.
Therefore, the gas-liquid ratio measuring device capable of collecting gas-liquid ratio at variable time on line provided by the utility model can obtain the volume change and pressure change value of gas-liquid two-phase fluid, and further can calculate and obtain the gas-liquid ratio of the gas-liquid two-phase fluid directly according to the volume change value and the pressure change value, and particularly, the gas-liquid ratio measuring device can realize on-line measurement and automatic switching sampling, does not influence the normal operation of a system, and is low in cost and high in accuracy.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic pipeline connection diagram of an embodiment of an online non-timing collection gas-liquid ratio measuring device provided by the utility model.
The embodiment of the utility model is illustrated by reference numerals:
the implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an online sporadic gas-liquid ratio measuring device 100, comprising:
an input pipeline 1 and an output pipeline 2;
the device comprises a working pipeline 3 and a testing pipeline 4, wherein one end of the working pipeline 3 and one end of the testing pipeline 4 are connected with the input pipeline 1, and the other end of the working pipeline 3 and the other end of the testing pipeline 4 are connected with the output pipeline 2; and the number of the first and second groups,
the first switching device 5 is used for switching one of the working pipeline 3 and the testing pipeline 4 to be communicated with the input pipeline 1;
the second switching device 6 is used for switching one of the working pipeline 3 and the testing pipeline 4 to be communicated with the output pipeline 2;
a pressure sensor 7 for detecting the pressure of the test line 4; and the number of the first and second groups,
the volume adjustable device 8 is provided with an adjusting cavity which is communicated with the test pipeline 4, and the volume of the adjusting cavity can be adjusted.
The working process of the online non-timing acquisition gas-liquid ratio measuring device 100 provided by the utility model is as follows:
switching the first switching device 5 and the second switching device 6 to communicate the testing pipeline 4 with the input pipeline 1 and the output pipeline 2 for sampling gas-liquid two-phase fluid, switching the first switching device 5 and the second switching device 6 after sampling is completed to communicate the working pipeline 3 with the input pipeline 1 and the output pipeline 2, while the testing pipeline 4 is kept in a closed state to form a closed cavity, changing the volume of the adjusting cavity through the volume adjustable device 8, and acquiring the pressure measured by the pressure sensor 7 in real time, and finally, only acquiring the volume change value of the adjusting cavity and the pressure change value detected by the pressure sensor 7, so as to calculate the gas-liquid ratio of the gas-liquid two-phase fluid, specifically, the volume change caused by the volume of the gas in the closed cavity plus the adjustment of the adjustment cavity (specifically, the incremental volume of the piston displacement in the embodiment of the present invention) causes a corresponding pressure change, and at this time, the volume change of the liquid phase is negligible, and all the pressure changes are considered to be caused by the gas phase. The increment volume is given by testing, and the pressure is a measured value, so that the gas volume of the flow in the closed cavity, namely the gas-liquid ratio of the gas-liquid two-phase flow can be calculated.
Therefore, the gas-liquid ratio measuring device 100 capable of collecting gas-liquid ratio on line at variable time can obtain the volume change and pressure change value of gas-liquid two-phase fluid, and then the gas-liquid ratio of the gas-liquid two-phase fluid can be obtained through calculation according to the volume change value and the pressure change value, so that on-line measurement and automatic switching sampling can be realized, normal operation of a system is not influenced, and the device is low in price and high in accuracy.
In the present embodiment, the first switching device 5 includes a first three-way valve, and the first three-way valve is disposed between the input pipeline 1 and the working pipeline 3 and the testing pipeline 4, obviously the design is not limited to this, and the first switching device 5 may include two switching valves, which are disposed on the ends of the working pipeline 3 and the testing pipeline 4 connected to the input pipeline 1.
In the present embodiment, the first switching device 5 includes a second three-way valve, which is disposed between the output pipeline 2 and the working pipeline 3 and the testing pipeline 4, obviously the design is not limited to this, and the second switching device 6 may include two switching valves, which are disposed on the ends of the working pipeline 3 and the testing pipeline 4 connected to the output pipeline 2.
In this embodiment, the adjusting cavity includes a testing cylinder, and a piston is disposed in the testing cylinder, so that the volume of the cavity, which is communicated with the testing pipeline 4, of the testing cylinder can be changed by the piston.
In other embodiments, the plurality of adjustment cavities are provided, the maximum capacities of the plurality of adjustment cavities are different, the plurality of adjustment cavities can be selectively communicated with the test pipeline 4, for this reason, when the gas-liquid two-phase fluid with different gas-liquid ratios is aimed at, different adjustment cavities can be selected to be communicated with the test pipeline 4, taking the adjustment cavity as a test oil cylinder as an example, the pressure difference between before and after the piston operates is preferably controlled to be a smaller set value, the set value cannot be too small, the change value of the cavity with the smaller surface is too small, and in addition, the set value cannot be too large, so that the influence of the liquid volume change and the dissolved gas precipitation in the liquid is ensured to be small, and the calculated value can be directly used as the gas-liquid ratio result.
In other embodiments, there may be only one adjusting cavity, and for this purpose, the adjusting cavity includes a first cavity and a second cavity in threaded sleeve with the first cavity, so as to adjust the size of a cavity formed by the first cavity and the second cavity together by screwing.
In this embodiment, the gas-liquid ratio measuring device 100 for online non-timing collection further includes a discharge branch 91, the discharge branch 91 is connected to the test pipeline 4, a control valve 92, specifically a stop valve, is disposed on the discharge branch 91, after the test is completed, the control valve 92 is opened to release the liquid in the test pipeline 4 to the container, the liquid quality and the standard quality are measured, and the liquid standard quality under the volume of the test pipeline 4 is compared to calculate the accurate gas content.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a gas-liquid ratio measuring device who gathers occasionally on line which characterized in that includes:
an input pipeline and an output pipeline;
the device comprises a working pipeline and a testing pipeline, wherein one end of the working pipeline and one end of the testing pipeline are connected with the input pipeline, and the other end of the working pipeline and one end of the testing pipeline are connected with the output pipeline; and the number of the first and second groups,
the first switching device is used for switching one of the working pipeline and the testing pipeline to be communicated with the input pipeline;
the second switching device is used for switching one of the working pipeline and the testing pipeline to be communicated with the output pipeline;
the pressure sensor is used for detecting the pressure of the test pipeline; and the number of the first and second groups,
the volume adjustable device is provided with an adjusting cavity, the adjusting cavity is communicated with the testing pipeline, and the volume of the adjusting cavity can be adjusted.
2. The online sporadic collection gas-liquid ratio measuring device of claim 1 wherein said first switching means comprises a first three-way valve disposed between said input line and said service and test lines.
3. The online sporadic collection gas-liquid ratio measuring device of claim 1 wherein said first switching means comprises a second three-way valve disposed between said output line and said service and test lines.
4. The online sporadic collection gas-liquid ratio measuring device of claim 1 wherein said tuning chamber comprises a test cylinder.
5. The on-line sporadic collection gas-liquid ratio measuring device of claim 1 wherein said tuning cavities are provided in plurality, said tuning cavities having unequal maximum capacities, said tuning cavities being selectively communicable with said test line.
6. The device for measuring the gas-liquid ratio collected at variable times on line as claimed in claim 1, wherein the adjusting cavity comprises a first cavity and a second cavity in threaded sleeve connection with the first cavity, so as to adjust the size of the cavity formed by the first cavity and the second cavity together by screwing.
7. The on-line sporadic collection gas-liquid ratio measuring device of claim 1 further comprising a drain branch connected to said test line and having a control valve disposed thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512023.6U CN215338446U (en) | 2021-03-10 | 2021-03-10 | Gas-liquid ratio measuring device with on-line non-timing acquisition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120512023.6U CN215338446U (en) | 2021-03-10 | 2021-03-10 | Gas-liquid ratio measuring device with on-line non-timing acquisition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215338446U true CN215338446U (en) | 2021-12-28 |
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| CN202120512023.6U Active CN215338446U (en) | 2021-03-10 | 2021-03-10 | Gas-liquid ratio measuring device with on-line non-timing acquisition |
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| CN (1) | CN215338446U (en) |
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2021
- 2021-03-10 CN CN202120512023.6U patent/CN215338446U/en active Active
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