CN109085869B - Gas-liquid mixing evaporation control device for combustion experiment - Google Patents
Gas-liquid mixing evaporation control device for combustion experiment Download PDFInfo
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- CN109085869B CN109085869B CN201810658079.5A CN201810658079A CN109085869B CN 109085869 B CN109085869 B CN 109085869B CN 201810658079 A CN201810658079 A CN 201810658079A CN 109085869 B CN109085869 B CN 109085869B
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- 239000007788 liquid Substances 0.000 title claims abstract description 130
- 238000001704 evaporation Methods 0.000 title claims abstract description 17
- 230000008020 evaporation Effects 0.000 title claims abstract description 17
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 14
- 238000002474 experimental method Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 7
- 239000010935 stainless steel Substances 0.000 claims description 7
- 238000004321 preservation Methods 0.000 claims description 6
- 239000007789 gas Substances 0.000 description 54
- 230000005540 biological transmission Effects 0.000 description 4
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 101100298225 Caenorhabditis elegans pot-2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/30—Automatic controllers with an auxiliary heating device affecting the sensing element, e.g. for anticipating change of temperature
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/12—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using combustion
Abstract
The invention provides a gas-liquid mixing evaporation control device for a combustion experiment, which comprises an oil bath heating and heat-insulating mechanism, a three-way gas-liquid mixing mechanism, a gas conveying mechanism and a liquid conveying mechanism, wherein the oil bath heating and heat-insulating mechanism comprises an electronic constant-temperature oil bath pan, a heat exchange medium is filled in the electronic constant-temperature oil bath pan, the three-way gas-liquid mixing mechanism is arranged in the electronic constant-temperature oil bath pan, the gas conveying mechanism comprises a gas conveying pipeline and a gas mass flow controller, the liquid conveying mechanism comprises a liquid conveying pipeline and a liquid flow controller, one end of the gas conveying pipeline and one end of the liquid conveying pipeline are respectively communicated with a gas inlet and a liquid inlet of the three-way gas-liquid mixing mechanism, the other end of the gas conveying pipeline and one end of the liquid conveying pipeline are respectively. The invention has simple structure, convenient operation and low cost.
Description
Technical Field
The invention belongs to the technical field of unmanned vehicles, and particularly relates to a gas-liquid mixing evaporation control device for a combustion experiment.
Background
In basic combustion studies, the need for liquid to be vaporized by heating and mixed with gas in certain proportions is commonly encountered for research purposes and experimental requirements. At present, the experimental liquid fuel evaporation device in basic combustion research is generally a commercially integrated gas-liquid mixing evaporation control system, and generally comprises a liquid flow meter, a carrier gas mass flow controller, a three-way mixing valve and an evaporator. However, the evaporation control system is high in cost, complex to maintain and poor in economical efficiency. Therefore, a gas-liquid mixing evaporation device with simple structure, convenient operation and low cost is needed to be used as a substitute for the system.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems, and an object of the present invention is to provide a gas-liquid mixing evaporation control apparatus for a combustion experiment, which overcomes the problem of poor economy of the gas-liquid mixing evaporation control system for the combustion experiment at present, and can control the flow rate and the ratio of a mixed gas.
The technical scheme adopted by the invention for solving the technical problems is as follows: a gas-liquid mixing evaporation control device for combustion experiments is characterized by comprising an oil bath heating and heat preservation mechanism, a three-way gas-liquid mixing mechanism, a gas conveying mechanism and a liquid conveying mechanism, the oil bath heating and heat preservation mechanism comprises an electronic constant-temperature oil bath pan, a heat exchange medium is filled in the electronic constant-temperature oil bath pan, the three-way gas-liquid mixing mechanism is arranged in the electronic constant-temperature oil bath pot, the gas conveying mechanism comprises a gas conveying pipeline and a gas mass flow controller, the liquid conveying mechanism comprises a liquid conveying pipeline and a liquid flow controller, one end of the gas conveying pipeline and one end of the liquid conveying pipeline are respectively communicated with a gas inlet and a liquid inlet of the three-way gas-liquid mixing mechanism, the other end of the gas conveying pipeline and the other end of the liquid conveying pipeline are respectively communicated with the gas mass flow controller and the liquid flow controller, and a gas-liquid mixing outlet of the three-way gas-liquid mixing mechanism is communicated with a mixed gas output pipeline.
According to the scheme, the liquid flow controller comprises an injector and an injection pump, the injector is connected with the injection pump, and an outlet of the injector is communicated with the other end of the liquid conveying pipeline.
According to the scheme, the three-way gas-liquid mixing mechanism comprises a three-way clamping sleeve joint and three clamping sleeve pipes, the three clamping sleeve pipes are respectively connected with the three joints of the three-way clamping sleeve joint, the gas conveying pipeline, the liquid conveying pipeline and the mixed gas output pipeline are respectively connected with the three clamping sleeve pipes, and the cavity of the three-way clamping sleeve joint is filled with the stainless steel balls.
According to the scheme, one end of the liquid conveying pipeline, which extends into the three-way gas-liquid mixing mechanism, is of a right-angle elbow structure, the outlet end of the liquid conveying pipeline is inserted into the mixed gas output pipeline in the gas-liquid mixing outlet, and the liquid conveying pipeline, the gas-liquid mixing outlet and the mixed gas output pipeline are coaxially arranged.
According to the scheme, the three-way gas-liquid mixing mechanism and the liquid input pipeline are both made of stainless steel.
According to the scheme, the atomizer is arranged at the outlet of the injector.
The invention has the beneficial effects that: 1. the gas-liquid mixing evaporation control device for the combustion experiment is provided with a gas quality controller and a liquid injection pump, so that the input flow of gas and liquid can be conveniently adjusted, and the output flow and the gas-liquid mixing proportion of mixed gas can be conveniently adjusted; 2. the electronic constant-temperature oil bath pot is arranged, so that the evaporation temperature of the liquid can be conveniently adjusted, the liquid is completely evaporated, and no condensation exists in the experimental process; 3. the liquid conveying pipeline, the gas-liquid mixing outlet and the mixed gas output pipeline are coaxially arranged, so that the gas-liquid in the mixed gas is fully and uniformly mixed; 4. the structure and the principle are simple, the production cost is low, the maintenance is convenient, and the popularization and the use are convenient.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a schematic view of the internal structure of a three-way gas-liquid mixing mechanism according to an embodiment of the present invention.
Wherein: 1. the device comprises a mixed gas output pipeline, 2 an electronic constant-temperature oil bath kettle, 3 a heat exchange medium, 4 a three-way gas-liquid mixing mechanism, 5 a gas conveying pipeline, 6 a gas mass flow controller, 7 an injection pump, 8 an injector, 9 a liquid conveying pipeline and 10 a stainless steel ball.
Detailed Description
For a better understanding of the present invention, reference is made to the following description taken in conjunction with the accompanying drawings and examples.
As shown in figures 1 and 2, the gas-liquid mixing evaporation control device for the combustion experiment comprises an oil bath heating and heat preservation mechanism, tee bend gas-liquid mixing mechanism 4, gas conveying mechanism and liquid conveying mechanism, oil bath heating heat preservation mechanism includes electron constant temperature oil bath pot 2, it has heat transfer medium 3 to annotate in the electron constant temperature oil bath pot, tee bend gas-liquid mixing mechanism locates in the electron constant temperature oil bath pot, gas conveying mechanism includes gas transmission pipeline 5 and gas mass flow controller 6, liquid conveying mechanism includes liquid transmission pipeline 9 and liquid flow controller, gas transmission pipeline and liquid transmission pipeline's one end is linked together with tee bend gas-liquid mixing mechanism's gas inlet and liquid inlet respectively, the other end is linked together with gas mass flow controller and liquid flow controller respectively, tee bend gas-liquid mixing mechanism's gas-liquid mixing export is linked together with gas mixture output pipeline 1.
The electronic constant-temperature oil bath pot heats and preserves heat of a heat exchange medium in the electronic constant-temperature oil bath pot, the heat exchange medium is usually liquid with a higher boiling point, and the heat exchange medium heats and preserves heat of a three-way gas-liquid mixing mechanism arranged in the electronic constant-temperature oil bath pot, so that the liquid in the three-way gas-liquid mixing mechanism is heated and evaporated, and the liquid is guaranteed to be kept in a gas phase state. The heat exchange medium can be selected according to the heating temperature range of the electronic constant-temperature oil bath and the experimental requirements. The gas mass flow controller is connected with the external gas cylinder through a pipeline, after the external gas cylinder is opened, gas flows into the gas mass flow controller, the gas flow flowing into the gas conveying pipeline can be adjusted by adjusting the gas mass flow controller, liquid to be evaporated is injected into the injector, the speed of injecting liquid by the injector, namely the flow of the liquid flowing into the liquid conveying pipeline, the mass flow of the input gas can be controlled by the gas mass flow controller, the volume flow of the input liquid can be controlled by the liquid injection pump, and the flow speed of mixed gas and the mixing proportion of the gas and the liquid in the mixed gas can be controlled by the synergistic effect of the gas mass flow controller and the liquid injection pump.
The liquid flow controller comprises an injector 8 and an injection pump 7, the injector is connected with the injection pump, the outlet of the injector is communicated with the other end of the liquid conveying pipeline, and the outlet of the injector is provided with an atomizer, so that input liquid can be fully evaporated and can be more fully mixed with gas.
The three-way gas-liquid mixing mechanism comprises a three-way clamping sleeve joint and three clamping sleeve pipes, the three clamping sleeve pipes are respectively connected with the three joints of the three-way clamping sleeve joint, a gas conveying pipeline, a liquid conveying pipeline and a mixed gas output pipeline are respectively connected with the three clamping sleeve pipes, stainless steel balls 10 are filled in a cavity of the three-way clamping sleeve joint, one of the three-way clamping sleeve joint is used for enabling input gas to flow uniformly, and the other three-way clamping sleeve joint is used for increasing heat transfer to enable liquid in the liquid conveying pipeline to be.
The end of the liquid conveying pipeline extending into the three-way gas-liquid mixing mechanism is of a right-angle elbow structure, the outlet end of the liquid conveying pipeline is inserted into the mixed gas output pipeline in the gas-liquid mixing outlet, and the liquid conveying pipeline, the gas-liquid mixing outlet and the mixed gas output pipeline are coaxially arranged, so that the uniformity of gas-liquid mixed gas flowing into the mixed gas output pipeline 1 is facilitated, and the purpose of gas-liquid mixing is achieved.
The three-way gas-liquid mixing mechanism and the liquid input pipeline are both made of stainless steel, and have good thermal conductivity.
The above is only a preferred embodiment of the present invention, and certainly, the scope of the present invention should not be limited thereby, and therefore, the present invention is not limited by the scope of the claims.
Claims (3)
1. A gas-liquid mixing evaporation control device for combustion experiments is characterized by comprising an oil bath heating and heat preservation mechanism, a three-way gas-liquid mixing mechanism, a gas conveying mechanism and a liquid conveying mechanism, the oil bath heating and heat preservation mechanism comprises an electronic constant-temperature oil bath pan, a heat exchange medium is filled in the electronic constant-temperature oil bath pan, the three-way gas-liquid mixing mechanism is arranged in the electronic constant-temperature oil bath pot, the gas conveying mechanism comprises a gas conveying pipeline and a gas mass flow controller, the liquid conveying mechanism comprises a liquid conveying pipeline and a liquid flow controller, one end of the gas conveying pipeline and one end of the liquid conveying pipeline are respectively communicated with a gas inlet and a liquid inlet of the three-way gas-liquid mixing mechanism, the other end of the gas conveying pipeline and the other end of the liquid conveying pipeline are respectively communicated with the gas mass flow controller and the liquid flow controller, and a gas-liquid mixing outlet of the three-way gas-liquid mixing mechanism is communicated with a mixed gas output pipeline; the liquid flow controller comprises an injector and an injection pump, the injector is connected with the injection pump, and the outlet of the injector is communicated with the other end of the liquid conveying pipeline; the three-way gas-liquid mixing mechanism comprises a three-way ferrule joint and three ferrule pipes, the three ferrule pipes are respectively connected with three joints of the three-way ferrule joint, the gas conveying pipeline, the liquid conveying pipeline and the mixed gas output pipeline are respectively connected with the three ferrule pipes, and a cavity of the three-way ferrule joint is filled with stainless steel balls; one end of the liquid conveying pipeline, which extends into the three-way gas-liquid mixing mechanism, is of a right-angle elbow structure, the outlet end of the liquid conveying pipeline is inserted into a mixed gas output pipeline in the gas-liquid mixing outlet, and the liquid conveying pipeline, the gas-liquid mixing outlet and the mixed gas output pipeline are coaxially arranged.
2. The gas-liquid mixing evaporation control device for the combustion experiment as claimed in claim 1, wherein the three-way gas-liquid mixing mechanism and the liquid input pipeline are both made of stainless steel.
3. The gas-liquid mixing evaporation control device for the combustion experiment as set forth in claim 1, wherein the injector outlet is provided with an atomizer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810658079.5A CN109085869B (en) | 2018-06-25 | 2018-06-25 | Gas-liquid mixing evaporation control device for combustion experiment |
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| CN201810658079.5A CN109085869B (en) | 2018-06-25 | 2018-06-25 | Gas-liquid mixing evaporation control device for combustion experiment |
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| CN109085869A CN109085869A (en) | 2018-12-25 |
| CN109085869B true CN109085869B (en) | 2020-12-01 |
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| CN111766331B (en) * | 2020-07-09 | 2022-08-09 | 安徽工程大学 | Portable building material combustion performance testing device and testing method thereof |
| CN115791322A (en) * | 2022-10-14 | 2023-03-14 | 中国计量科学研究院 | Dead volume-free gravimetric method gas distribution injection port connector |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201969536U (en) * | 2010-12-28 | 2011-09-14 | 潘仰文 | Liquid or gas mixing controller |
| US8193254B2 (en) * | 2005-12-27 | 2012-06-05 | Gas Technologies Llc | Method and system for methanol production |
| CN204672247U (en) * | 2015-04-30 | 2015-09-30 | 济南厚生科技有限公司 | Portable standard gas distribution instrument |
| CN205495380U (en) * | 2016-04-21 | 2016-08-24 | 内蒙古科技大学 | Laboratory is with high -efficient convenient distributing device |
| CN106237877A (en) * | 2016-09-28 | 2016-12-21 | 北京明尼特环保设备有限公司 | A kind of dynamically gas-liquid mixed distributing instrument |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205815497U (en) * | 2016-06-07 | 2016-12-21 | 燕京啤酒(桂林漓泉)股份有限公司 | Online gas, liquid mixer |
| CN207042271U (en) * | 2017-06-01 | 2018-02-27 | 江苏国泉泵业制造有限公司 | A kind of gas-liquid two-phase mixed-phase device |
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- 2018-06-25 CN CN201810658079.5A patent/CN109085869B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8193254B2 (en) * | 2005-12-27 | 2012-06-05 | Gas Technologies Llc | Method and system for methanol production |
| CN201969536U (en) * | 2010-12-28 | 2011-09-14 | 潘仰文 | Liquid or gas mixing controller |
| CN204672247U (en) * | 2015-04-30 | 2015-09-30 | 济南厚生科技有限公司 | Portable standard gas distribution instrument |
| CN205495380U (en) * | 2016-04-21 | 2016-08-24 | 内蒙古科技大学 | Laboratory is with high -efficient convenient distributing device |
| CN106237877A (en) * | 2016-09-28 | 2016-12-21 | 北京明尼特环保设备有限公司 | A kind of dynamically gas-liquid mixed distributing instrument |
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Effective date of registration: 20231126 Address after: 528216 office C1, block C, xianhuwan Commercial Plaza, No. 3, Yangguang Road, Xianhu resort, Danzao Town, Nanhai District, Foshan City, Guangdong Province Patentee after: Xianhu laboratory, Foshan Address before: 430070 Hubei Province, Wuhan city Hongshan District Luoshi Road No. 122 Patentee before: WUHAN University OF TECHNOLOGY |
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Effective date of registration: 20231225 Address after: 528000, one of the third floors of Building D12, No.1 Xiangda Road, Danzao Logistics Center, Danzao Town, Nanhai District, Foshan City, Guangdong Province (Residence Declaration) Patentee after: Xianhu Technology Co.,Ltd. Address before: 528216 office C1, block C, xianhuwan Commercial Plaza, No. 3, Yangguang Road, Xianhu resort, Danzao Town, Nanhai District, Foshan City, Guangdong Province Patentee before: Xianhu laboratory, Foshan |