CN2606882Y - Flow and dryness measurer for vapour/liquid or gas/liquid double phase fluid - Google Patents
Flow and dryness measurer for vapour/liquid or gas/liquid double phase fluid Download PDFInfo
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- CN2606882Y CN2606882Y CN 03242455 CN03242455U CN2606882Y CN 2606882 Y CN2606882 Y CN 2606882Y CN 03242455 CN03242455 CN 03242455 CN 03242455 U CN03242455 U CN 03242455U CN 2606882 Y CN2606882 Y CN 2606882Y
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- flow
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- measuring point
- static pressure
- pipeline
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Abstract
The utility model belongs to flow measurement technique field, which overcomes the existent problem of real-time measurement for each parameter in two-phase mixed flow in prior art. The utility model comprises a measurement pipeline, a throttle device, a dynamic pressure measuring point, a static pressure measuring point and a displayer. The measurement pipeline is vertical or a right angle. The static pressure measuring point is arranged inside the vertical pipeline, while the dynamic pressure measuring point is arranged at two sides of the throttle device. A static mixing device is arranged in the pipeline to mix the two-phase flow evenly. The dynamic pressure difference, the static pressure difference and the static pressure value are processed by computer, and the result of the computed values of flow rate and dryness are displayed on the displayer. The utility model may be used for real-time measurement of two-phase flow in high, middle and low pressure pipe, which has the advantages of simple structure, low cost, little resistance, little loss, precise measured data and great value in popularization.
Description
One. technical field: the utility model belongs to the fluid measurement technology type.It is specifically related to the structure of the flow and the dryness measurement device of two-phase fluid.
Two. background technology: vapour-liquid or gas-liquid two-phase fluid are widely used in heavy oil development, power, chemical industry and the nuclear reactor field of oil exploitation as a kind of secondary energy efficiently.The real-time online measuring of flow, total flow and the mass dryness fraction of each phase of stream-liquid two-phase flow body is puzzlement people's an international technical barrier always.Annually in the world fail to obtain the economic loss that accurate measurement causes because of high pressure stream-liquid two-phase flow body and be difficult to estimate, especially the economic loss in thick oil filling vapour Simulation on whole pay zones is even more serious.Though the existing patented technology of this aspect is arranged, have because of complex structure, have because of measuring accuracy does not reach industrial requirements, or fail to realize that truly flow and mass dryness fraction biparametric measure simultaneously, do not see as yet that so far have can be for the product of commercial Application.U.S. Texaco Petroleum Maatschappij (Netherland) B.V once developed a kind of orifice plate-critical flow nozzle combined type dryness of wet steam meter (U.S. Pat 4836032) the eighties, but the pressure loss that causes because of critical flow nozzle causes this technology to fail to be used widely up to 50%.
Three. summary of the invention: the purpose of this utility model is for overcoming special this programme---the flow and the dryness measurement device of vapour-liquid or gas-liquid two-phase fluid of proposing of technical matters that measurement mechanism exists in the prior art, it by in the measuring channel in the dynamic head of restriction device both sides, vertical pipe the numerical value of 2 statical head and static pressure can obtain the measurement numerical value of flow and mass dryness fraction exactly after treatment, can realize real-time online measuring with simple device.
By as above design, the flow of vapour-liquid provided by the utility model or gas-liquid two-phase fluid and dryness measurement device, it includes measuring channel, dynamic and static pressure measuring point and display, it is characterized in that in its measuring channel, being installed with restriction device, its dynamic pressure measuring point is located at the both sides of restriction device, its hydrostatic measuring point is located on the vertical pipeline section, point-to-point transmission has certain distance, and driven differential pressure pickup, differential static pressure sensor, static pressure transducer gained the data flow and the mass dryness fraction of gained after treatment show on display.
In this programme, its restriction device is a kind of in orifice plate, nozzle or the Venturi tube, and its hole shape is standard, off-gauge or other opening shape.When its measuring channel was the pipeline of square, hydrostatic measuring point was placed on the vertical pipeline section, can be provided with the static mixer that impels two-phase fluid to mix in measuring channel.
Adopt this programme can embody following superiority: 1. this measurement mechanism is to measure statical head on 2 of vertical measuring channel, measure dynamic head in the restriction device both sides, can record total flow after the machine software processes as calculated, the flow of each phase and mass dryness fraction numerical value, it has realized online kinetic measurement, can obtain the demonstration of a plurality of parameters simultaneously; 2. it has desirable mathematical model and software for calculation and can finish complicated calculating, causes its physical construction very simple, and the cost of equipment can reduce significantly; 3. it can report out accurate measurement result, and the measuring error that reaches total flow and mass dryness fraction is lower than 2% and 4%; 4. the inner movement-less part of this measurement mechanism makes that resistance is little, loss is little, can be used for the real-time online measuring of interior vapour-liquid of high, medium and low pressure pipe or gas-liquid two-phase fluid-mixing, is worth of widely use.
Four. description of drawings: Fig. 1 is the flow of this programme vapour-liquid or gas-liquid two-phase fluid and the structural representation of dryness measurement device.
Fig. 2 and Fig. 3 are the structural representations of the other embodiment of this programme.Its measuring channel is the structure of square.Its hydrostatic measuring point is located in the vertical pipeline section.
Five. embodiment: this programme has solved the real-time online measuring of two-phase fluid-mixing multiparameter, has outstanding superiority.It by the ring flange 1 of the connection usefulness at measuring channel 3, two ends, restriction device 2, dynamic pressure measuring point 7, hydrostatic measuring point 7 ', moving pressure differential deltap P1 sensor 4, differential static pressure Δ P2 sensor 6, static pressure P sensor 5 and display 8 formed, and the static mixer 9 for two-phase fluid is mixed also can be housed in pipeline.Its measuring channel is vertical pipeline, also can be the pipeline of square, and its restriction device can be orifice plate, nozzle or Venturi tube, and its hole shape can be the shape of standard, off-gauge or other various openings.Two hydrostatic measuring points are located in the vertical pipe, keep certain distance, the dynamic pressure measuring point is arranged in the both sides of restriction device, moving pressure differential deltap P1 sensor links to each other with two dynamic pressure measuring points, differential static pressure Δ P2 sensor links to each other with two hydrostatic measuring points, can obtain the measurement numerical value of flow and mass dryness fraction it is handled the numerical value of dynamic pressure gap sensor, differential static pressure sensor and static pressure transducer in computing machine after and directly demonstration on display.It has all losses simple in structure, that data accurate, movement-less part causes, can accomplish online real-time measuring characteristic that this preproduction is through the favorable comment that obtains the user on probation.
Claims (3)
1. the flow and the dryness measurement device of vapour-liquid or gas-liquid two-phase fluid, it includes measuring channel, dynamic and static pressure measuring point and display, it is characterized in that being installed with restriction device (2) in the measuring channel (3) at it, its dynamic pressure measuring point (7) is located at the both sides of restriction device, its hydrostatic measuring point (7 ') is located on the vertical measuring channel, point-to-point transmission has certain distance, and driven differential pressure pickup (4), differential static pressure sensor (6), static pressure transducer (5) gained the data flow and the mass dryness fraction of gained after treatment go up demonstration at display (8).
2. according to the described measurement mechanism of claim 1, the restriction device that it is characterized in that it is a kind of in orifice plate, nozzle or the Venturi tube, and its hole shape is standard, off-gauge or other opening shape.
3. according to the described measurement mechanism of claim 1, the measuring channel that it is characterized in that it is the pipeline of square, and hydrostatic measuring point is placed on the vertical section pipeline, can be provided with the static mixer (9) that impels two-phase fluid to mix in measuring channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03242455 CN2606882Y (en) | 2003-03-25 | 2003-03-25 | Flow and dryness measurer for vapour/liquid or gas/liquid double phase fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03242455 CN2606882Y (en) | 2003-03-25 | 2003-03-25 | Flow and dryness measurer for vapour/liquid or gas/liquid double phase fluid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2606882Y true CN2606882Y (en) | 2004-03-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03242455 Expired - Fee Related CN2606882Y (en) | 2003-03-25 | 2003-03-25 | Flow and dryness measurer for vapour/liquid or gas/liquid double phase fluid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2606882Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332183C (en) * | 2005-08-10 | 2007-08-15 | 陈宇 | Fluid flow rate detector |
| CN102095749A (en) * | 2010-12-03 | 2011-06-15 | 浙江大学 | Device and method for measuring parameters of gas-liquid two-phase flow in micro-pipes based on thermal measurement method |
| CN105865558A (en) * | 2016-05-03 | 2016-08-17 | 西南石油大学 | Flow measuring device for multiphase flow of natural gas hydrate and measuring method of flow measuring device |
| CN106248719A (en) * | 2016-08-22 | 2016-12-21 | 上海交通大学 | It is applied to the measurement system of pipeline stream-liquid two-phase flow flass parameter |
| WO2017166367A1 (en) * | 2016-04-01 | 2017-10-05 | 深圳市樊溪电子有限公司 | Device for metering flow rates of two phases of gas and liquid in wet natural gas |
| CN111537137A (en) * | 2020-05-19 | 2020-08-14 | 天津中材工程研究中心有限公司 | Static pressure measurement method for dust-containing gas pipeline |
-
2003
- 2003-03-25 CN CN 03242455 patent/CN2606882Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1332183C (en) * | 2005-08-10 | 2007-08-15 | 陈宇 | Fluid flow rate detector |
| CN102095749A (en) * | 2010-12-03 | 2011-06-15 | 浙江大学 | Device and method for measuring parameters of gas-liquid two-phase flow in micro-pipes based on thermal measurement method |
| WO2017166367A1 (en) * | 2016-04-01 | 2017-10-05 | 深圳市樊溪电子有限公司 | Device for metering flow rates of two phases of gas and liquid in wet natural gas |
| CN105865558A (en) * | 2016-05-03 | 2016-08-17 | 西南石油大学 | Flow measuring device for multiphase flow of natural gas hydrate and measuring method of flow measuring device |
| CN106248719A (en) * | 2016-08-22 | 2016-12-21 | 上海交通大学 | It is applied to the measurement system of pipeline stream-liquid two-phase flow flass parameter |
| CN106248719B (en) * | 2016-08-22 | 2020-05-08 | 上海交通大学 | Measurement system applied to flash evaporation phenomenon parameters of pipeline vapor-liquid two-phase flow |
| CN111537137A (en) * | 2020-05-19 | 2020-08-14 | 天津中材工程研究中心有限公司 | Static pressure measurement method for dust-containing gas pipeline |
| CN111537137B (en) * | 2020-05-19 | 2021-09-14 | 天津中材工程研究中心有限公司 | Static pressure measurement method for dust-containing gas pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TIANJIN MIURA HEAT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: KAISITONG ENERGY SOURCE TECHNOLOGY CO., LTD., TIANJIN Effective date: 20040723 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040723 Address after: 300191 Xinhua garden, Hongqi South Road, Tianjin, Nankai District B1-101 Patentee after: Tianjin three Pu heat energy technology Co., Ltd. Address before: 300191 Xinhua garden, Hongqi South Road, Tianjin, Nankai District B1-101 Patentee before: Kaisitong Energy Source Technology Co., Ltd., Tianjin |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |