CN102890099A - Method and device for measuring components of mixture - Google Patents
Method and device for measuring components of mixture Download PDFInfo
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- CN102890099A CN102890099A CN2012102167950A CN201210216795A CN102890099A CN 102890099 A CN102890099 A CN 102890099A CN 2012102167950 A CN2012102167950 A CN 2012102167950A CN 201210216795 A CN201210216795 A CN 201210216795A CN 102890099 A CN102890099 A CN 102890099A
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Abstract
The invention provides a method and a device for measuring components of a mixture. The device consists of a temperature field module for measuring a flowing heating process and a temperature field processing program module and is divided into overcurrent temperature measuring modules (3), (4) and (5) and a component calculating procedure module (8). The device is characterized in that the overcurrent temperature measuring modules (3), (4) and (5) separate a measuring process from a heating process, and influence of a thermocouple probe on a flow state and a heat conduction process are reduced; and the component calculating procedure module calculates quickly, has continuous data processing capacity, is high in automation degree and can calculate automatically. The method and the device for measuring the components of the mixture have the advantages that temperature field measurement errors are reduced; a whole measuring device system is high in automation degree and easy to operate; demands on equipment operators are low; engineering practicality is high; and real-time quick sampling detection can be carried out.
Description
Technical field
The present invention relates to a kind of liquid mixture compound mensuration square law device, specifically relate to a kind of mix refrigerant compound mensuration square law device, belong to cold-producing medium regeneration field.
Background technology
Spectroscopic methodology is unique feasible method of measuring component of mixture at present.Spectrographic determination material composition advantage is that degree of accuracy is very high, but because the spectroscopic methodology sense cycle is long, and equipment complex and expensive and can not carry out Real-Time Monitoring requires very highly simultaneously to operating personnel's professional skill, so be difficult to large-scale application on engineering.Mixture refrigerant is used widely in the refrigerating industry, and particularly the substitute of HCFC almost is potpourri entirely.Mix refrigerant seriously relies on component, so the difficult point that mix refrigerant reclaims just is conscientiously not satisfy the compound mensuration method and apparatus that engineering practicability requires.
Summary of the invention
For above-mentioned technical matters, the invention provides a kind of mix refrigerant compound mensuration method and device based on measuring the overcurrent temperature field, conscientiously used thereby with the replacement spectroscopic methodology refrigerant component is determined in the engineering.For achieving the above object, technical scheme of the present invention is: by measuring the fully section of development convection heat transfer change of temperature field of little Reynolds number laminar flow, calculate the estimated value of mix refrigerant thermal physical property parameter according to measuring the temperature field based on inverse conduction, extrapolate the mix refrigerant component according to estimation thermal physical property parameter indirect problem.Device comprises overcurrent temperature measuring module and calculation program module.The invention has the beneficial effects as follows and set up industrial mixture compound mensuration system, open up the new method that component of mixture is measured.Develop thus mixture determining system and device with engineering practical value, the component of mixture that can be used in the production run is measured.Simultaneously, system has solved the core link of cold-producing medium regeneration in the mix refrigerant recovery, makes the regeneration of industrialization mix refrigerant become possibility.
Invention provides a kind of method and apparatus based on measuring mix refrigerant overcurrent temperature field reckoning component, it is characterized in that measuring the fully result of variations in the section of development convection heat transfer temperature field of liquid low reynolds number laminar flow, calculate the potpourri thermal parameter by indirect problem Levenberg-Marquardt method, the thermal physical property parameter of binding mixture simple substance composition is calculated to obtain component of mixture.Device comprises overcurrent temperature measuring module and calculation program module, in the overcurrent temperature measuring module, be the level pressure uniform incoming flow in the pipe, the heat conduction section is the fully section of development of low reynolds number (＜50) laminar flow, ignore gravity field, by being evenly arranged that the thermopair group is measured axially and node temperature radially, namely measure when limited node heat exchange is stablized in the pipe without the endogenous pyrogen temperature field, separated heating and measuring process in the device reduce thermocouple probe to the fluidised form disturbance; The calculation program module is the program according to temperature field calculating component principle of being combined with configuration monitoring software.Advantage of the present invention is to measure the temperature field error to reduce, and whole determinator system automation degree is high, and simple in structure, the equipment operator requires low, and engineering practicability is good, can carry out real-time sampling and detect control.
Description of drawings
The present invention is a kind of mix refrigerant compound mensuration square law device based on measuring the overcurrent temperature field, and accompanying drawing 1 adds the heat determination sectional view for overcurrent; Accompanying drawing 2 is device flow passage components wiring layouts; Accompanying drawing 3 is the apparatus system process flow diagram.
Embodiment
During device of the present invention running, overcurrent temperature measuring module: liquid mixture through pump 2 flow passage components 3 of flowing through, returns storage tank 1 from storage tank 1; Fully the section of development is through 4 heating of electrothermal resistance silk at laminar flow in the process, and the temperature after heating field changes by thermopair 5 to be measured, and through analog to digital converter 6, enters processor 7 and adopts calculation program module 8 to process, and component result is shown by display 9.
Mixed liquor also can be sampled and be taken, and namely satisfies the required mixing liquid measure of circulation and gets final product, and whole determinator system automation degree is high, and is simple to operate.
Claims (6)
1. liquid mixture compound mensuration square law device, method adopt L-M method estimation potpourri overall thermal physical parameter for measuring the fully section of development convection heat transfer temperature field of zeotrope laminar flow, utilize thermal physical property parameter to find the solution component of mixture.
2. device is divided into overcurrent temperature measuring module (3) (4) (5), calculation program module (8).
3. liquid mixture compound mensuration method as claimed in claim 1 is characterized in that measuring the heat-exchange temperature field, calculates potpourri overall thermal physical parameter based on change of temperature field, according to calculating that thermal physical property parameter calculates component of mixture.
4. mobile heating process temperature field recognition apparatus module as claimed in claim 1 (3) (4) (5), the process of will measuring is separated with heating process, and reducing thermocouple probe affects error to fluidised form and conduction process.
5. calculation program module (8) as claimed in claim 1, feature is that computation structure is compact, robotization is calculated fast, has the continuous data processing power, can carry out real-time sample detecting.
6. liquid mixture compound mensuration square law device as claimed in claim 1 is characterized in that liquid mixture, especially cold-producing medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102167950A CN102890099A (en) | 2012-06-18 | 2012-06-18 | Method and device for measuring components of mixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102167950A CN102890099A (en) | 2012-06-18 | 2012-06-18 | Method and device for measuring components of mixture |
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| Publication Number | Publication Date |
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| CN102890099A true CN102890099A (en) | 2013-01-23 |
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| CN2012102167950A Pending CN102890099A (en) | 2012-06-18 | 2012-06-18 | Method and device for measuring components of mixture |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297287A (en) * | 2014-06-16 | 2015-01-21 | 怡维怡橡胶研究院有限公司 | Compression heat generation detector and method thereof |
| CN107764982A (en) * | 2017-10-31 | 2018-03-06 | 中国海洋大学 | Conductance type non newtonian water-oil emulsion viscosity and ingredient prediction experimental system |
| RU2730364C1 (en) * | 2019-11-13 | 2020-08-21 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Method of determining content of a gas-liquid medium component |
| RU2760858C1 (en) * | 2020-11-25 | 2021-12-01 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Method for measuring the flow rate of a gas condensate well |
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| US4813270A (en) * | 1988-03-04 | 1989-03-21 | Atlantic Richfield Company | System for measuring multiphase fluid flow |
| CN1254839A (en) * | 1998-11-21 | 2000-05-31 | 吴衍厚 | Tester for latex concentration of caoutchouc tree |
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Patent Citations (3)
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| US4813270A (en) * | 1988-03-04 | 1989-03-21 | Atlantic Richfield Company | System for measuring multiphase fluid flow |
| CN1254839A (en) * | 1998-11-21 | 2000-05-31 | 吴衍厚 | Tester for latex concentration of caoutchouc tree |
| CN102128856A (en) * | 2011-01-04 | 2011-07-20 | 武汉理工大学 | Sea ice heat conducting coefficient measuring instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297287A (en) * | 2014-06-16 | 2015-01-21 | 怡维怡橡胶研究院有限公司 | Compression heat generation detector and method thereof |
| CN104297287B (en) * | 2014-06-16 | 2017-01-25 | 怡维怡橡胶研究院有限公司 | Compression heat generation detector and method thereof |
| CN107764982A (en) * | 2017-10-31 | 2018-03-06 | 中国海洋大学 | Conductance type non newtonian water-oil emulsion viscosity and ingredient prediction experimental system |
| RU2730364C1 (en) * | 2019-11-13 | 2020-08-21 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Method of determining content of a gas-liquid medium component |
| RU2760858C1 (en) * | 2020-11-25 | 2021-12-01 | Федеральное государственное бюджетное учреждение науки Институт проблем управления им. В.А. Трапезникова Российской академии наук | Method for measuring the flow rate of a gas condensate well |
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Application publication date: 20130123 |