CN208520796U - The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn - Google Patents
The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn Download PDFInfo
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- CN208520796U CN208520796U CN201820525246.4U CN201820525246U CN208520796U CN 208520796 U CN208520796 U CN 208520796U CN 201820525246 U CN201820525246 U CN 201820525246U CN 208520796 U CN208520796 U CN 208520796U
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- conical flask
- boiling point
- point apparatus
- return pipe
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Abstract
The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor described in the utility model is drawn, including long-neck conical flask, condenser pipe, electric heating wire, it is connected to the return pipe and temperature sensor of conical flask neck and liquid storing part, the conical flask bottom center is provided with the drain pipe with plug valve, feed opening is provided on conical flask liquid storing part side wall, the temperature sensor protrudes into conical flask liquid storing part lower part, it is fixed by the cork combined with conical flask bottleneck, the condenser pipe is spherical condensation tube, its lower end is connected and communicates with return pipe, the centerline parallel of its center line and conical flask, the plug valve of truncation or channeling fluid access is provided on return pipe below condenser pipe and return pipe joining place, condenser pipe and return pipe joining place are provided with sample tap.The device can accurately obtain the boiling point of dual-fluid system and the composition data of liquid phase, and make experimental implementation more convenient, safe.
Description
Technical field
The utility model belongs to teaching experiment utensil field, is related to Physical Chemistry Experiment biliquid system vapor-liquid equilibrium phasor and draws
The boiling point apparatus used in system experiment.
Background technique
Biliquid system vapor-liquid equilibrium Experiments of Phase Diagram is one of the infrastest in College Physics chemical experiment.The experiment uses
Boiling point apparatus measures the boiling point of the dual-fluid system of two kinds of different mixing proportions dissolved each other completely and the composition data of liquid phase,
Biliquid system boiling point-component relationship curve under experiment atmospheric pressure is drawn, the equilibrium composition of its two-phase is acquired, to obtain solution-air
Equilbrium phase diagram.Existing laboratory apparatus main body is round-bottomed flask with long neck with straight type reflux condensing tube, communicates with round-bottomed flask
Reflux branch pipe and electric heating wire.Condensation bottom of the tube has spherical cell to be used to collect gaseous condensate, takes liquid phase sample by branch pipe,
Heating wire directly soaks to be heated in the solution, carries out temperature measurement using mercurial thermometer.Mainly there is following deficiency: (1) using double
Mercurial thermometer, using the boiling point of dew diameter orthosis measurement solution, experimental error is big, and mercury ball is easily damaged and causes environment
Pollution；(2) during heating, system needs to topple over every now and then the spherical cell for condensing bottom of the tube before not reaching biphase equilibrium
The gaseous condensate of collection, until biphase equilibrium, but, the gas phase composition inaccuracy that causes experiment measure clean due to being difficult to topple over
It is unstable；(3) for vapor condensation by straight pipe condensation, condensation efficiency is low；(4) topple over sample after testing to need to incline in device out
Tiltedly, inconvenient and topple over unclean；(5) exposed electric heating wire is directly soaked in low-flash organic molten in flask liquid storing part
It is heated in agent, causes the unstable of system, and heater strip itself has a degree of pollution to research system.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, a kind of biliquid system vapor-liquid equilibrium phasor is provided
Experiment boiling point apparatus is drawn, more precisely to obtain the boiling point of dual-fluid system and the composition data of liquid phase, and
So that experimental implementation is more convenient, and safety and environmental protection.
The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor described in the utility model is drawn, including long cervical vertebra
Shape flask, condenser pipe, electric heating wire, the return pipe and temperature sensor for being connected to conical flask neck and liquid storing part, the taper
Drag centre is provided with the drain pipe with plug valve, is provided with feed opening on conical flask liquid storing part side wall, described
Temperature sensor protrudes into conical flask liquid storing part lower part, is fixed by the cork combined with conical flask bottleneck, the condensation
Pipe is spherical condensation tube, and lower end is connected and communicated with return pipe, the centerline parallel of its center line and conical flask, condenser pipe
With the plug valve for being provided with truncation or channeling fluid access on the return pipe below return pipe joining place, condenser pipe and return pipe are held in the mouth
The place of connecing is provided with sample tap.
The experiment boiling point apparatus that above-mentioned biliquid system vapor-liquid equilibrium phasor is drawn, the return pipe and conical flask
One end of neck connection to the section between condenser pipe joining place tilts down, and the folder between the section and taper neck part
Angle α is 30~50 °.
The experiment boiling point apparatus that above-mentioned biliquid system vapor-liquid equilibrium phasor is drawn, the plug valve setting on return pipe
Below condenser pipe and the return pipe joining place at 0.5~1cm.
The experiment boiling point apparatus that above-mentioned biliquid system vapor-liquid equilibrium phasor is drawn, the conical flask bottom interior wall
It is provided with the glass sandpipe of installation electric heating wire, which is integrated with conical flask bottom interior wall, the electric heating
Silk is mounted in glass sandpipe, and both ends are stretched out for connecting with electric heater unit.
The experiment boiling point apparatus that above-mentioned biliquid system vapor-liquid equilibrium phasor is drawn, the temperature sensor are Pt100
Thermal resistance.
The experiment boiling point apparatus that above-mentioned biliquid system vapor-liquid equilibrium phasor is drawn, the sample tap and feed opening are
Ground with grinding port plug.
Compared with prior art, the utility model has the following beneficial effects:
1, boiling point apparatus described in the utility model is provided with plug valve on the return pipe communicated with conical flask,
Realization reflux in the open state when liquid is not collected before system balance, cut-out tap valve realizes gas phase after gas-liquid two-phase balance
The collection of condensate liquid, thus the gas phase composition for measuring experiment is accurate and stable, to reduce experimental error.
2, heater strip and laboratory sample are isolated entirely from by boiling point apparatus described in the utility model, avoid heater strip pair
The pollution of research system, and bumping can be prevented.
3, boiling point apparatus described in the utility model replaces original double baths of glass using platinum resistance sensor
Silver-colored thermometer, stable reading is accurate, and safety and environmental protection.
4, boiling point apparatus described in the utility model uses spherical condensation tube, improves condensation efficiency, is conducive to promote
Vapour-liquid mutually reaches balance.
5, boiling point apparatus described in the utility model, conical flask bottom center is provided with band plug valve leakage fluid dram, real
Easily sample can be discharged after testing clean.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of boiling point apparatus described in the utility model；
Fig. 2 is the combination diagram of electric heating wire and glass sandpipe.
In figure, 1- conical flask, 2- condenser pipe, 3- return pipe, 4- temperature sensor, 5- drain pipe, 6- sample tap, 7- rotation
Plug valve, 8- electric heating wire, 9- feed opening, 10- glass sandpipe.
Specific embodiment
The drafting of biliquid system vapor-liquid equilibrium phasor described in the utility model is tested by way of example and in conjunction with the accompanying drawings
It is described further with boiling point apparatus.
In the present embodiment, the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn is as shown in Figure 1 and Figure 2,
Return pipe 3 and temperature including long-neck conical flask 1, condenser pipe 2, electric heating wire 8, connection conical flask neck and liquid storing part pass
Sensor 4.1 bottom center of conical flask is provided with the drain pipe 5 with plug valve 7, on conical flask liquid storing part side wall
It is provided with the ground type feed opening 9 with grinding port plug, the temperature sensor 4 is Pt100 thermal resistance, and when use protrudes into conical flask
Liquid storing part lower part is fixed by the cork combined with conical flask bottleneck, the condenser pipe be spherical condensation tube, lower end with
Return pipe is connected and communicates, the centerline parallel of its center line and conical flask 1,1cm below condenser pipe and return pipe joining place
Return pipe on be provided with the plug valve 7 of truncation or channeling fluid access, condenser pipe and return pipe joining place are provided with band ground
The ground type sample tap 6 of plug.One end that the return pipe is connected to conical flask neck to the portion between condenser pipe joining place
Section tilts down, and the angle α between the section and taper neck part is 45 °.1 bottom interior wall of conical flask is provided with peace
The glass sandpipe 10 of electric heating wire is filled, which is integrated with conical flask bottom interior wall, and the electric heating wire 8 is installed
In glass sandpipe, both ends are stretched out for connecting with electric heater unit.
Claims (10)
1. the experiment boiling point apparatus that a kind of biliquid system vapor-liquid equilibrium phasor is drawn, including it is long-neck conical flask (1), cold
Solidifying pipe (2), electric heating wire (8), the return pipe (3) for being connected to conical flask neck and liquid storing part, it is characterised in that further include temperature
Sensor (4), conical flask (1) bottom center are provided with the drain pipe (5) with plug valve (7), conical flask storage
Be provided on liquid portion side wall feed opening (9), the temperature sensor protrudes into conical flask liquid storing part lower part, by with conical flask
The cork of bottleneck combination is fixed, and the condenser pipe is spherical condensation tube, and lower end is connected and communicated with return pipe, its center line
With the centerline parallel of conical flask (1), truncation or conducting are provided on the return pipe below condenser pipe and return pipe joining place
The plug valve (7) of fluid passage, condenser pipe and return pipe joining place are provided with sample tap (6).
2. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn according to claim 1, it is characterised in that
One end that the return pipe is connected to conical flask neck to the section between condenser pipe joining place tilts down, and the section
Angle (α) between taper neck part is 30~50 °.
3. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor according to claim 1 or claim 2 is drawn, feature
It is the plug valve setting on return pipe below condenser pipe and the return pipe joining place at 0.5~1cm.
4. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor according to claim 1 or claim 2 is drawn, feature
It is that the conical flask (1) bottom interior wall is provided with the glass sandpipe (10) of installation electric heating wire, the glass sandpipe and conical flask
Bottom interior wall is integrated, and the electric heating wire (8) is mounted in glass sandpipe, and both ends stretching is used for and electric heater unit
Connection.
5. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn according to claim 3, it is characterised in that
Conical flask (1) bottom interior wall is provided with the glass sandpipe (10) of installation electric heating wire, the glass sandpipe and conical flask bottom
Inner wall is integrated, and the electric heating wire (8) is mounted in glass sandpipe, and both ends are stretched out for connecting with electric heater unit
It connects.
6. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor according to claim 1 or claim 2 is drawn, feature
It is that the temperature sensor (4) are Pt100 thermal resistance.
7. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn according to claim 3, it is characterised in that
The temperature sensor (4) is Pt100 thermal resistance.
8. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor according to claim 1 or claim 2 is drawn, feature
It is the sample tap (6) and feed opening (9) is the ground with grinding port plug.
9. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn according to claim 3, it is characterised in that
The sample tap (6) and feed opening (9) are the ground with grinding port plug.
10. the experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn, feature exist according to claim 4
In the sample tap (6) and feed opening (9) be the ground with grinding port plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525246.4U CN208520796U (en) | 2018-04-13 | 2018-04-13 | The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820525246.4U CN208520796U (en) | 2018-04-13 | 2018-04-13 | The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208520796U true CN208520796U (en) | 2019-02-19 |
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ID=65342164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820525246.4U Expired - Fee Related CN208520796U (en) | 2018-04-13 | 2018-04-13 | The experiment boiling point apparatus that biliquid system vapor-liquid equilibrium phasor is drawn |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208520796U (en) |
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2018
- 2018-04-13 CN CN201820525246.4U patent/CN208520796U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190219 |