CN207163944U - Vapor liquid equilibrium determines device under a kind of normal pressure - Google Patents
Vapor liquid equilibrium determines device under a kind of normal pressure Download PDFInfo
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- CN207163944U CN207163944U CN201721285963.6U CN201721285963U CN207163944U CN 207163944 U CN207163944 U CN 207163944U CN 201721285963 U CN201721285963 U CN 201721285963U CN 207163944 U CN207163944 U CN 207163944U
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Abstract
The utility model discloses vapor liquid equilibrium under a kind of normal pressure and determines device, it is made up of gas-liquid balancing kettle and electromagnetic control system two parts, including gas-liquid separation chamber, teeter chamber, boiling kettle, heater, one-level vapor condensation pipe, secondary gas phase serpentine condenser, liquid phase spherical condensation tube, thermocouple thermometer, electromagnetic controller, electromagnetism valve rod, it is characterised in that:Two electromagnetism valve rods pass through inside secondary gas phase serpentine condenser and liquid phase spherical condensation tube respectively, top connection magnetic valve, bottom connection sample tap, are sampled using electromagnetic controller control electromagnetism valve rod, gas-liquid two-phase can sample simultaneously;Gas phase sample tap and liquid phase sample tap are connected vertically with condensation bottom of the tube, per sub-sampling after do not have sample and stockpile, not under the influence of primary sample result;There is gas-liquid phase-splitter in gas-liquid separation room, effectively can separate gas and liquid;Two circulation loops of gas-liquid are respectively arranged with condenser pipe;The present apparatus has the characteristics that while samples, sample do not remain, the equilibration time it is short.
Description
Technical field
A kind of thermodynamic data measure device is the utility model is related to, is determined more particularly to vapor liquid equilibrium under a kind of normal pressure
Device.
Background technology
Vapor liquid equilibrium data are the important foundation data in chemical industry rectifying field, while in computer simulation, chemical process stream
Journey is designed and optimized and played a significant role with transitivity estimation, equipment optimum operation condition can be provided according to this data, to reducing
Cost and energy expenditure have very big meaning.With the development of Chemical Engineering Technology, existing vapor liquid equilibrium data can not meet
Industrial requirement, though there is a variety of theoretical models to calculate vapor liquid equilibrium data, its accuracy and versatility are limited
System, therefore measuring is to obtain the most effective means of accurate, reliable vapor liquid equilibrium data.Some vapor liquid equilibriums measure dress at present
Put, exist to sample simultaneously, and sampling is difficult, has the shortcomings that residual after sampling, causes data result inaccurate, and reach balance
Time it is longer.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the utility model discloses that a kind of sampling is rapid, sampling does not remain and energy
It is rapidly achieved vapor liquid equilibrium under the normal pressure of balance and determines device.
The utility model discloses vapor liquid equilibrium under a kind of normal pressure and determines device, by gas-liquid balancing kettle and electromagnetic control system two
Part forms, including gas-liquid separation chamber, teeter chamber, boiling kettle, heater, one-level vapor condensation pipe, the snakelike condensation of secondary gas phase
Pipe, liquid phase spherical condensation tube, thermocouple thermometer, electromagnetic controller, electromagnetism valve rod, it is characterised in that:Two electromagnetism valve rods are distinguished
Pass through, top connection magnetic valve, bottom connection sample tap, adopt inside secondary gas phase serpentine condenser and liquid phase spherical condensation tube
It is sampled with electromagnetic controller control electromagnetism valve rod, gas-liquid two-phase can sample simultaneously, and sampling is rapid;Gas phase sample tap and liquid phase
Sample tap with condensation bottom of the tube be connected vertically, sample tap does not have sample carryover, not under the influence of primary sample result;Gas-liquid separation
There is gas-liquid phase-splitter interior, effectively can separate gas and liquid, and gas phase is left at the top of the separation chamber, and liquid phase is from separation chamber bottom
Outflow.
Two circulation loops of gas and liquid are respectively arranged with condenser pipe, have barometric pipe and big gas phase between two loops
Together, two circulation loops enter boiling kettle after being mixed in teeter chamber.
The heater to seethe with excitement in kettle is the glass tube of interior energization heated filament, the roughened processing of glass surface, prevents bumping, institute
Stating boiling kettle and gas-liquid separation chamber has thermocouple thermometer to carry out temperature survey.
This device also includes also including charging graduated cylinder, installation inlet amount cylinder above the teeter chamber, can measure feed volume.
Compared with prior art, the beneficial effects of the utility model are:First, entered using electromagnetic controller control magnetic valve
Row sampling, when electromagnetism valve rod lifts, gas phase and liquid phase are flowed out in sampling bottle, can take the sample of gas phase and liquid phase simultaneously, are protected
The instantaneity of sampling is demonstrate,proved, while the magnetic agitation of teeter chamber is also controlled by electromagnetic controller;Second, sample tap erects with condenser pipe
It is direct-connected to connect, sample tap will not residual liquid, sampling result next time will not be had an impact, improve the accuracy of data;
Third, gas phase loop uses B-grade condensation, liquid-phase loop also adds condenser pipe, reduces the loss amount of volatile liquid.
Brief description of the drawings
Fig. 1 is a kind of normal pressure gas-liquid Balances Measurement Devices structural representation
Reference:1- heating rods;2- boiling kettles;3rd, 7- thermocouples microthermometer;4- gas-liquid phase-splitters;5- gas-liquids point
From room;6- barometric pipes;8- one-level vapor condensation pipes;9- gas phase probe tubes;10- secondary gas phase serpentine condensers;11、14-
Electromagnetism valve rod;12nd, 13- magnetic valves;15- liquid phase spherical condensation tubes;16- liquid phase probe tubes;17- teeter chambers;18- rotors;19- electricity
Magnetic stirrer;20- feeds graduated cylinder;21- electromagnetic controllers;The 22- mouths of pipe;23- feeds knob;24- discharging knobs.
Embodiment
Below in conjunction with the accompanying drawings to the utility model further illustrate, gas-liquid balancing kettle using heat resistant glass manufacture, mainly by
Gas-liquid separation chamber 5, seethed with excitement kettle 2, heater 1, teeter chamber 17, rotor 18, and magnetic stirring apparatus 19 is formed;Described thermocouple is accurate
Thermometer 3 be arranged on boiling kettle 2 upper left side, for measure boiling kettle 2 in liquidus temperature, thermocouple microthermometer 7 from
The top of gas-liquid separation chamber 5 is inserted into gas-liquid phase-splitter 4 to measure the temperature of gas phase;The right connection one-level of gas-liquid separation chamber 5
Vapor condensation pipe 8 and gas phase deuterostrophies vapor condensation pipe 10, form gas phase circulation loop;Drawn from the bottom of gas-liquid phase-splitter 4
Liquid phase circulation loop, liquid-phase loop top installation liquid phase spherical condensation tube 15;Gas phase flows back and liquid-phase reflux is mixed in teeter chamber
17;Gas phase circulation is connected between liquid phase circulation by barometric pipe 6, is communicated by the mouth of pipe 22 with air;Gas phase two level
Electromagnetism valve rod 11 and 14 is respectively provided with inside spiral cold-finger 10 and liquid phase spherical condensation tube 15, valve rod is made up of heat resistant glass,
Its top is equipped with magnetic valve 12 and 13, is connected by circuit with electromagnetic controller 21, valve rod bottom connection gas phase probe tube 9 and liquid
Phase probe tube 16;Magnetic stirrer 19 is connected also by circuit with electromagnetic controller 21;Charging graduated cylinder 20 is connected to teeter chamber 17
Top;Knob 23,24 is polytetrafluoroethylene (PTFE) valve, controls sample introduction and discharging respectively.
The course of work of vapor liquid equilibrium measure device is as follows under a kind of normal pressure of the utility model:
Solution to be measured is added by feeding graduated cylinder 20, material liquid volume about 60ml or so, recirculated water is connected, passes through Electromagnetic Control
Device 21 opens magnetic stirring apparatus 19, and the heating power of heating rod 1 is adjusted by pressure regulator, first there is back liquid-phase loop in heating process
Stream, with the rising of steam, gas phase loop gradually produces backflow, if the liquid drop speed of gas phase backflow is too fast, can reduce heating work(
Rate, reads the temperature of liquid and gas by thermocouple microthermometer 3 and 7 respectively, and gas phase and liquid-phase reflux are stable after about 1h,
And gas-liquid mixture temperature stabilization 30min is constant, temperature of the temperature as vapor liquid equilibrium can be now write down, while press electromagnetism
Gas phase sampling and liquid phase sample button on controller 21, lift electromagnetism valve rod 11 and 14, gas phase sample and liquid phase sample are then
It flow to respectively in gas phase probe tube 9 and liquid phase probe tube 16, completes sampling.A certain amount of mixed liquor is released by leakage fluid dram, from
Charging graduated cylinder 20 adds the measure that certain prepare liquid carries out subsequent point again.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (4)
1. vapor liquid equilibrium determines device under a kind of normal pressure, it is made up of gas-liquid balancing kettle and electromagnetic control system two parts, including gas
Liquid separation chamber, teeter chamber, boiling kettle, heater, one-level vapor condensation pipe, secondary gas phase serpentine condenser, liquid phase bulb condensation
Pipe, thermocouple thermometer, electromagnetic controller, electromagnetism valve rod, it is characterised in that:Two electromagnetism valve rods are snakelike cold from secondary gas phase respectively
Pass through, top connection magnetic valve, bottom connection sample tap, controlled using electromagnetic controller inside solidifying pipe and liquid phase spherical condensation tube
Electromagnetism valve rod is sampled, and gas-liquid two-phase can sample simultaneously;Gas phase sample tap and liquid phase sample tap connect vertically with condensation bottom of the tube
Connect;There is gas-liquid phase-splitter in gas-liquid separation room, gas phase is left at the top of separation chamber, and liquid phase flows out from separation chamber bottom.
2. vapor liquid equilibrium determines device under a kind of normal pressure according to claim 1, it is characterised in that gas and liquid two
Circulation loop is respectively arranged with condenser pipe, has barometric pipe to be communicated with air between two loops, and two circulation loops are mixed in and stirred
Enter boiling kettle after mixing room.
3. vapor liquid equilibrium determines device under a kind of normal pressure according to claim 1, it is characterised in that the heating in boiling kettle
Device is the glass tube of interior energization heated filament, the roughened processing of glass pipe surface, prevents bumping, the boiling kettle and gas-liquid separation chamber
There is thermocouple thermometer to carry out temperature survey.
4. vapor liquid equilibrium determines device under a kind of normal pressure according to claim 1, it is characterised in that also include charging graduated cylinder,
Installation inlet amount cylinder, can measure feed volume above the teeter chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721285963.6U CN207163944U (en) | 2017-10-08 | 2017-10-08 | Vapor liquid equilibrium determines device under a kind of normal pressure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721285963.6U CN207163944U (en) | 2017-10-08 | 2017-10-08 | Vapor liquid equilibrium determines device under a kind of normal pressure |
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CN207163944U true CN207163944U (en) | 2018-03-30 |
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CN201721285963.6U Expired - Fee Related CN207163944U (en) | 2017-10-08 | 2017-10-08 | Vapor liquid equilibrium determines device under a kind of normal pressure |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109307729A (en) * | 2018-09-12 | 2019-02-05 | 中国原子能科学研究院 | Nitrous acid vapor liquid equilibrium assigned unit and method in a kind of measurement nitric acid solution |
-
2017
- 2017-10-08 CN CN201721285963.6U patent/CN207163944U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109307729A (en) * | 2018-09-12 | 2019-02-05 | 中国原子能科学研究院 | Nitrous acid vapor liquid equilibrium assigned unit and method in a kind of measurement nitric acid solution |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180330 Termination date: 20181008 |
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CF01 | Termination of patent right due to non-payment of annual fee |