CN204389418U - The normal low pressure ebulliometer of a kind of kapillary reverse-flow type - Google Patents
The normal low pressure ebulliometer of a kind of kapillary reverse-flow type Download PDFInfo
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- CN204389418U CN204389418U CN201520083257.8U CN201520083257U CN204389418U CN 204389418 U CN204389418 U CN 204389418U CN 201520083257 U CN201520083257 U CN 201520083257U CN 204389418 U CN204389418 U CN 204389418U
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- kapillary
- reflux
- ebulliometer
- flask
- low pressure
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- 238000010992 reflux Methods 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 description 14
- 239000012071 phase Substances 0.000 description 7
- 239000012530 fluid Substances 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 4
- 238000009835 boiling Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000004821 distillation Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000005194 fractionation Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Abstract
The utility model discloses the normal low pressure ebulliometer of a kind of kapillary reverse-flow type, comprise flask, condenser pipe and kapillary reflux, described flask is the flat bottom flask with two bottlenecks, described condenser pipe connects kapillary reflux, and described condenser pipe, kapillary reflux are connected with described flask.Ebulliometer practicality of the present utility model, safety, convenience, saving experimental period, can be applied in the middle of teaching and scientific research preferably, easy to utilize.
Description
Technical field
The utility model relates to a kind of glass apparatus, is particularly applicable to the normal low pressure ebulliometer of kapillary reverse-flow type of science and experiment.
Background technology
Ebulliometer is glass apparatus conventional in teaching and scientific research, is widely used in the middle of teaching and scientific research because its structure is simple, easy to use.This instrument can be used for, in the drafting of biliquid system vapor liquid equilibrium phasor, experiment, being measured the composition of boiling point under the two kinds of liquid different proportions dissolved each other completely and liquid phase, draw out vapor liquid equilibrium phasor by ebulliometer.But existing various ebulliometer exists following shortcoming: the reservoir of (1) ebulliometer is positioned at the lower end of condenser pipe, and sample tap is in the upper end of condensed fluid, cause sampling inconvenient; (2) resistance wire for heating directly contacts with solution, not only can foul solution, and may cause short circuit; (3) poor sealing and there is fractionation effect, causes the numerical value of boiling point to be difficult to stablize; (4) the vapor liquid equilibrium phasor under atmospheric pressure can only be measured.Because other material be decomposed or be generated to many organism atmospheric distillations can, thus much distill in actual production, distillation process is all under low pressure carry out, and needs the vapor liquid equilibrium data under low pressure.The utility model ebulliometer not only can measure low pressure and normal pressure gas-liquid balanced system, overcomes the shortcoming of above existence, and is simple and easy to use.
Summary of the invention
In order to solve problems of the prior art, the utility model provides a kind of kapillary reverse-flow type normal low pressure ebulliometer.
The technical solution of the utility model is: the normal low pressure ebulliometer of a kind of kapillary reverse-flow type, comprise flask, condenser pipe, heating arrangement and kapillary reflux, described flask is the flat bottom flask with two bottlenecks, described condenser pipe connects kapillary reflux, and described condenser pipe, kapillary reflux are connected with described flask.
Preferably, in the middle of described flask, the side of bottleneck is provided with a connecting pipe tilted downwards, and described connecting pipe end upwards connects described condenser pipe, passes downwardly through lower branch line and is connected with described kapillary reflux.
Preferably, the kapillary access port on described kapillary accesses described kapillary reflux, and kapillary access port is projecting in the horizontal direction.
Preferably, kapillary reflux also comprises a upper arm, described upper arm to be positioned at above described kapillary access port and to connect an arm and stretches into described condenser pipe, and the 3rd ground of kapillary reflux is used for gaseous condensate sampling, and bottom is kapillary access port.
Preferably, described heating arrangement comprises embedded glass collar, is provided with heater strip in described embedded glass collar.
Preferably, in the second ground of described flask, laying temperature meter sleeve pipe, is placed with thermometer in described thermometer boss.
The beneficial effects of the utility model: ebulliometer practicality of the present utility model, safety, convenience, saving experimental period, can be applied in the middle of teaching and scientific research preferably, easy to utilize, be specially: (1) kapillary reflux can reduce fractionation effect greatly, thus acquisition forms data more reliably; (2) owing to there being independent vapor condensation liquid liquid storing part to divide, gas phase sample is got more convenient; (3) heating arrangement is embedded glass collar, built-in heater strip heating arrangement, and heater strip does not directly immerse liquid, therefore can not cause contaminated aqueous solution, and in addition, the replacing of heater strip is also very convenient; (4) because whole instrument is an entirety, so instrument is after cut-in pressure system, and the ground in instrument is all after to mill process, and the impermeability under low pressure is good, can measure biliquid system vapor liquid equilibrium phasor (once for measuring the vapor liquid equilibrium phasor under 2kPa) under low pressure; (5) two mouthfuls of flasks are designed to flat bottom flask, can reduce volume during measurement; (6) application of temperature meter sleeve pipe can change thermometer as required easily, can measure temperature more accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of the normal low pressure ebulliometer of the utility model kapillary reverse-flow type;
In figure: 1 embedded glass collar, 2 flasks, 3 thermometer boss, 4 condenser pipes, 5 control pressurer system access ports, 6 connecting pipes, 7 kapillary access ports, 8 kapillaries, 9 first grounds, 10 second grounds, 11 the 3rd grounds, arm on 12,13 lower branch lines.
Embodiment
By reference to the accompanying drawings embodiment provided by the invention is described in further detail:
As shown in Figure 1, the normal low pressure ebulliometer of a kind of kapillary reverse-flow type, comprise flask 2, condenser pipe 4, heating arrangement and kapillary reflux, described flask 2 is the flat bottom flask 2 with two bottlenecks, described condenser pipe 4 connects kapillary reflux, and described condenser pipe 4, kapillary reflux are connected with described flask 2.
Embodiment 1: as shown in Figure 1, flask 2 has two grounds, be respectively the first ground 9 and the second ground 10, described first ground 9 is positioned on the right side of flask 2 that side on the upper side is for liquid feeding and liquid phase sample tap, and described second ground 10 is positioned at flask 2 top for laying temperature meter sleeve pipe 3; Described flask 2 bottom is provided with embedded glass collar 1, is provided with heater strip for heating liquid phase in described embedded glass collar 1.
In the present embodiment, flat bottom flask 2, condenser pipe 4 and kapillary reflux are integrative-structures, the side of the middle bottleneck of described flask 2 is provided with a connecting pipe tilted 6 downwards, described connecting pipe 6 end upwards connects described condenser pipe 4, be connected with described kapillary reflux downwards, described kapillary reflux comprises the vertical glass tube that arm 12 is connected with lower branch line 13 and their lower ends thereof, glass tube upper end is the 3rd ground 11, lower end connects L-type kapillary 8, and kapillary 8 end connects drag.Kapillary access port 7 on described kapillary accesses described kapillary reflux, and kapillary access port 7 is projecting in the horizontal direction, the upper arm 12 of kapillary reflux to be positioned at above described kapillary access port 7 and to stretch into described condenser pipe 4, and condensed fluid is flowed into the gas phase of bringing into and cools being risen in condenser pipe 4 by upper arm 12 and the arm that is attached thereto.
In the present embodiment, kapillary access port 7 stretches into the vertical glass tube of kapillary reflux, and kapillary access port 7 exceeds vertical glass tube lower end 5 mm, the vapor condensation sample 1ml that can have an appointment at this place retains, the 3rd ground 11 above kapillary access port 7 is vapor condensation sample sample tap, and condenser pipe 4 upper end is control pressurer system access port 5.
During for low pressure measurement, control pressurer system access port 5 place is connected control pressurer system.First check the impermeability of whole system before using, as impermeability is good, on the right of flask 2, ground adds solution to be determined, screws each grinding port plug.Utilize the pressure control device hierarchy of control to measurement pressure subsequently, then condensate water is opened, energising Resistant heating, during arrival boiling point, solution comes to life, produce gas phase rises and pass through the oblique below of flask 2 left end arm arrival condenser pipe 4 after, the condensed fluid produced flows to kapillary access port 7 place through lower branch line 13 downwards, (condensed fluid flow into the gas phase of bringing into will be risen in condenser pipe 4 by upper arm cool) exceeds 5mm around because of entrance, the vapor condensation sample 1ml that can have an appointment at this place retains, and constantly upgraded by the gaseous condensate newly flowed into when measuring, this retains liquid for gas phase composition measuring, unnecessary condensed fluid flows into flask 2 along kapillary, form the independent loop of condensed fluid, after temperature stabilization shows that system reaches balance, just heating can be stopped, slow connection air, after system temperature is down to room temperature, on the right side of flask 2, bottleneck gets liquid phase component, gaseous condensate is got from the kapillary access port 7 of kapillary gas phase reflux, measure the composition of gas-liquid two-phase respectively.
Embodiment 2: see Fig. 1, directly leads to air by control pressurer system access port 5, not cut-in pressure control system, and can carry out normal pressure mensuration, system pressure is atmospheric pressure, and operation steps is the same.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (6)
1. the normal low pressure ebulliometer of kapillary reverse-flow type, it is characterized in that, comprise flask, condenser pipe, heating arrangement and kapillary reflux, described flask is the flat bottom flask with two bottlenecks, described condenser pipe connects kapillary reflux, and described condenser pipe, kapillary reflux are connected with described flask.
2. the normal low pressure ebulliometer of kapillary reverse-flow type according to claim 1, it is characterized in that, in the middle of described flask, the side of bottleneck is provided with a connecting pipe tilted downwards, and described connecting pipe end upwards connects described condenser pipe, passes downwardly through lower branch line and is connected with described kapillary reflux.
3. the normal low pressure ebulliometer of kapillary reverse-flow type according to claim 1 and 2, is characterized in that, the kapillary access port on described kapillary accesses described kapillary reflux, and kapillary access port is projecting in the horizontal direction.
4. the normal low pressure ebulliometer of kapillary reverse-flow type according to claim 1 and 2, it is characterized in that, kapillary reflux also comprises a upper arm, described upper arm to be positioned at above described kapillary access port and to connect an arm and stretches into described condenser pipe, 3rd ground on kapillary reflux top is used for gaseous condensate sampling, and bottom is kapillary access port.
5. the normal low pressure ebulliometer of kapillary reverse-flow type according to claim 1 and 2, it is characterized in that, described heating arrangement comprises embedded glass collar, is provided with heater strip in described embedded glass collar.
6. the normal low pressure ebulliometer of kapillary reverse-flow type according to claim 1 and 2, is characterized in that, in the second ground of described flask, laying temperature meter sleeve pipe, is placed with thermometer in described thermometer boss.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083257.8U CN204389418U (en) | 2015-02-06 | 2015-02-06 | The normal low pressure ebulliometer of a kind of kapillary reverse-flow type |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083257.8U CN204389418U (en) | 2015-02-06 | 2015-02-06 | The normal low pressure ebulliometer of a kind of kapillary reverse-flow type |
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| Publication Number | Publication Date |
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| CN204389418U true CN204389418U (en) | 2015-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548837A (en) * | 2018-06-26 | 2018-09-18 | 常州大学 | A kind of measuring device of low-voltage high-temperature equilibrium |
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- 2015-02-06 CN CN201520083257.8U patent/CN204389418U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108548837A (en) * | 2018-06-26 | 2018-09-18 | 常州大学 | A kind of measuring device of low-voltage high-temperature equilibrium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230724 Address after: No. 1519, Heihe Street, Lanzhou New Area, Lanzhou, Gansu Province 730030 Patentee after: Gansu Lai'an Energy Co.,Ltd. Address before: 730000 No. 222 Tianshui South Road, Chengguan District, Gansu, Lanzhou Patentee before: LANZHOU University |
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| TR01 | Transfer of patent right |