CN108844862A - A kind of new gas constant pressure disperser - Google Patents
A kind of new gas constant pressure disperser Download PDFInfo
- Publication number
- CN108844862A CN108844862A CN201810917041.5A CN201810917041A CN108844862A CN 108844862 A CN108844862 A CN 108844862A CN 201810917041 A CN201810917041 A CN 201810917041A CN 108844862 A CN108844862 A CN 108844862A
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- China
- Prior art keywords
- connecting line
- chamber
- diffusion
- gas
- valve
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
Abstract
The invention discloses a kind of new gas constant pressure dispersers, including air chamber, diffusion chamber, thermostat and pressure control gas cylinder, the gas sample body bottle, air chamber, diffusion chamber and pressure control gas cylinder are sequentially connected by pipeline, and respectively the first connecting line, the second connecting line and third connecting line；It is disposed with the first valve and third valve on the gas sample body bottle and first connecting line of the air chamber, the 4th connecting line is in series on first connecting line and connects a vacuum pump, and is additionally provided with the second valve on the 4th connecting line；It is provided with the 4th valve on second connecting line of the air chamber and the diffusion chamber, the air chamber and the diffusion chamber are all set in thermostat；The design advantages of simple that the use of the new type uses, and it is simple to test measurement, it is simple to operate needed for cost is relatively low, to the detection simple, intuitive of gas diffusion under constant pressure, good facilitation is played to the scientific creation of experimenter.
Description
Technical field
The present invention relates to a kind of gas diffusers, more particularly, to a kind of new gas constant pressure disperser, being related to
Learn engineering and fluid thermophysical property measurement field.
Background technique
Three big transport properties one of of the diffusion coefficient as fluid, are the bases of Study of Fluid molecular motion and transport phenomenon
Parameter, such as it is the restrictive factor of mixing and the separation process, chemical reaction of solution.Gas is expanded in a liquid at present
The measurement method report for dissipating coefficient is more, mainly includes：Pressure-decay method, gravity sedimentation balance method, time-delay method, dynamic light scattering
Method, real-time concentration mensuration etc..Wherein pressure-decay method is most widely used, it mainly passes through gas under measurement constant volume and exists
The variation relation of pressure and time obtain diffusion coefficient in liquid diffusion process, and this method experimental provision is simple, and cost is relatively low, behaviour
Facilitate.However, under constant volume, pressure in diffusion chamber is constantly reduced with the dissolution of gas, and this method is difficult
Measure the diffusion coefficient under some constant pressure.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the defects of existing gas constant pressure disperser, provide a kind of Novel air
Body constant pressure disperser, to solve the above problems.
To achieve the above object, the present invention provides the following technical solutions：A kind of new gas constant pressure disperser, including gas
Body cavity, diffusion chamber, thermostat and pressure control gas cylinder, the gas sample body bottle, air chamber, diffusion chamber and pressure control gas cylinder pass through pipeline
It is sequentially connected, and respectively the first connecting line, the second connecting line and third connecting line；The gas sample body bottle and described
It is disposed with the first valve and third valve on first connecting line of air chamber, connects on first connecting line
There is the 4th connecting line and connect a vacuum pump, and is additionally provided with the second valve on the 4th connecting line；The air chamber and institute
It states and is provided with the 4th valve on second connecting line of diffusion chamber, the air chamber and the diffusion chamber are all set in constant temperature
In slot；Pressure reducing valve is provided on the third connecting line of the diffusion chamber and the pressure control gas cylinder, and the third connects
The 5th connecting line in parallel is gone back on pipeline, is provided with the 5th valve on the 5th connecting line；Is arranged in the air chamber
One pressure sensor is provided with moveable piston in the diffusion chamber, and diffusion chamber is divided into upper chamber by the moveable piston
And lower chambers；The pressure control gas cylinder is connected by the third connecting line with upper chamber, is provided with second on the diffusion chamber
Pressure sensor and displacement sensor, the air chamber are connected by the second connecting line with the lower chambers of the diffusion chamber.
As a preferred technical solution of the present invention, it is provided on the diffusion chamber for observing testing liquid liquid level position
The visual window of the variation and gas diffusion process set.
As a preferred technical solution of the present invention, be provided with upper bracket and lower bracket in the diffusion chamber, it is described can
The movement of mobile piston is limited between upper bracket, lower bracket.
As a preferred technical solution of the present invention, described device further includes data collection and transmission, and first,
Two pressure sensors, displacement sensor and thermometer for detecting thermostat temperature respectively with data collection and transmission
It is connected.
As a preferred technical solution of the present invention, the data collection and transmission is according to gas under constant temperature and pressure
The moveable piston displacement acquired during diffusion calculates the space average concentration of different moments gas diffusion, and then obtains gas
The diffusion coefficient of body in a liquid.
Compared with prior art, the beneficial effects of the invention are as follows：This kind of new gas constant pressure disperser, passes through gas sample
Body bottle, air chamber, diffusion chamber and pressure control gas cylinder are sequentially connected, and in sequentially connected first connecting line, the second connecting line
Be respectively set the first valve on third connecting line, the 4th connecting line and the 5th connecting line, third valve, the 4th valve,
Pressure reducing valve, the second valve and the 5th valve, and moveable piston is set in diffusion chamber, air chamber and diffusion chamber are arranged at perseverance
It in warm slot, keeps the temperature in air chamber and diffusion chamber constant using thermostat, the pressure of diffusion intracavity gas can be carried out
It adjusts and keeps constant, using the moving distance of moveable piston, realize the survey of the diffusion coefficient in a liquid of gas under constant pressure
Amount；The design advantages of simple that the use of the new type uses, and it is simple to test measurement, it is simple to operate needed for cost is relatively low, it is right
The detection simple, intuitive of gas diffusion under constant pressure, plays good facilitation to the scientific creation of experimenter, further,
The present invention facilitates look at the real-time spread condition of diffusion intracavity gas by increasing visual window.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structure chart of new gas constant pressure disperser of the present invention；
In figure：1, gas sample body bottle；2, vacuum pump；3, the first valve；4, the second valve；5, third valve；6, air chamber；7,
One pressure sensor；8, the 4th valve；9, displacement sensor；10, diffusion chamber；11, thermostat；12, thermometer；13, data are adopted
Collecting system；14, second pressure sensor；15, the 5th valve；16, pressure reducing valve；17, pressure control gas cylinder；18, visual window；19, upper branch
Frame；20, lower bracket；21, moveable piston；22, the first connecting line；23, the second connecting line；24, third connecting line；
25, the 4th connecting line；26, the 5th connecting line.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of new gas constant pressure disperser, including air chamber
6, diffusion chamber 10, thermostat 11 and pressure control gas cylinder 17, gas sample body bottle 1, air chamber 6, diffusion chamber 10 and pressure control gas cylinder 17 are logical
It crosses pipeline to be sequentially connected, and respectively the first connecting line 22, the second connecting line 23 and third connecting line 24；Gas sample body
The first valve 3 and third valve 5 are disposed on bottle 1 and the first connecting line 22 of air chamber 6, on the first connecting line 22
It is in series with the 4th connecting line 25 and connects a vacuum pump 2, and be additionally provided with the second valve 4 on the 4th connecting line 25；Gas
It is provided with the 4th valve 8 on second connecting line 23 of chamber 6 and diffusion chamber 10, air chamber 6 and diffusion chamber 10 are all set in height
In the thermostat 11 of accurate temperature control；Pressure reducing valve is provided on the third connecting line 24 of diffusion chamber 10 and pressure control gas cylinder 17
16, and the 5th connecting line 26 in parallel is gone back on third connecting line 24, the 5th valve 15 is provided on the 5th connecting line 26；Gas
First pressure sensor 7 is arranged on body cavity 6 to be provided in diffusion chamber 10 removable for the pressure change in detection gas chamber 6
Diffusion chamber 10 is divided into upper chamber and lower chambers by piston 21, moveable piston 21；The variation of pressure can change moveable piston
Position, pressure control gas cylinder 17 is connected by third connecting line 24 with upper chamber, second pressure is provided on diffusion chamber 10 and is sensed
Device 14 and displacement sensor 9, the change in location of the pressure change and moveable piston that are respectively used in detection diffusion chamber 10, gas
Chamber 6 is connected by the second connecting line 23 with the lower chambers of diffusion chamber 10.
Further, the variation and gas diffusion mistake for observing testing liquid liquid level position are provided on diffusion chamber 10
The visual window 18 of journey.
Further, upper bracket 19 and lower bracket 20 are provided in diffusion chamber 10, the movement of moveable piston 21 is limited in
Between upper bracket 19, lower bracket 20.
Further, device further includes data collection system 13, the first, second pressure sensor 14, displacement sensor 9 with
And the thermometer 12 for detecting 11 temperature of thermostat is connected with data collection system 13 respectively.
Further, the moveable piston acquired during data collection system 13 is according to gas diffusion under constant temperature and pressure
Displacement calculates the space average concentration of different moments gas diffusion, and then obtains the diffusion coefficient of gas in a liquid.
Concrete principle：This kind of new gas constant pressure disperser passes through gas sample body bottle, air chamber, diffusion chamber and pressure control
Gas cylinder is sequentially connected, and in sequentially connected first connecting line, the second connecting line third connecting line, the 4th connecting line
Be respectively set the first valve on the 5th connecting line, third valve, the 4th valve, pressure reducing valve, the second valve and the 5th valve,
And moveable piston is set in diffusion chamber, air chamber and diffusion chamber are arranged in thermostat, keep gas using thermostat
Temperature in chamber and diffusion chamber is constant, the pressure of diffusion intracavity gas can be adjusted and be kept constant, passed using displacement
Sensor detects the moving distance of moveable piston, realizes the measurement of the diffusion coefficient in a liquid of gas under constant pressure.
The design advantages of simple that the use of the new type uses, and it is simple to test measurement, it is simple to operate needed for cost compared with
It is low, to the detection simple, intuitive of gas diffusion under constant pressure, good facilitation is played to the scientific creation of experimenter, into one
Step, the present invention facilitates look at the real-time spread condition of diffusion intracavity gas by increasing visual window.
Finally it should be noted that：The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of new gas constant pressure disperser, including air chamber（6）, diffusion chamber（10）, thermostat（11）And pressure control gas
Bottle（17）, it is characterised in that：The gas sample body bottle（1）, air chamber（6）, diffusion chamber（10）With pressure control gas cylinder（17）Pass through pipe
Road is sequentially connected, and respectively the first connecting line（22）, the second connecting line（23）With third connecting line（24）；The gas
Body sample body bottle（1）With the air chamber（6）First connecting line（22）On be disposed with the first valve（3）And third
Valve（5）, first connecting line（22）On be in series with the 4th connecting line（25）And connect a vacuum pump（2）, and the 4th
Connecting line（25）On be additionally provided with the second valve（4）；The air chamber（6）With the diffusion chamber（10）It is described second connection
Pipeline（23）On be provided with the 4th valve（8）, the air chamber（6）With the diffusion chamber（10）It is all set in thermostat（11）
It is interior；The diffusion chamber（10）With the pressure control gas cylinder（17）The third connecting line（24）On be provided with pressure reducing valve（16）,
And the third connecting line（24）Upper 5th connecting line also in parallel（26）, the 5th connecting line（26）On be provided with
Five valves（15）；The air chamber（6）Upper setting first pressure sensor（7）, the diffusion chamber（10）It is inside provided with removable
Piston（21）, the moveable piston（21）By diffusion chamber（10）It is divided into upper chamber and lower chambers；The pressure control gas cylinder（17）
Pass through the third connecting line（24）It is connected with upper chamber, the diffusion chamber（10）On be provided with second pressure sensor（14）
And displacement sensor（9）, the air chamber（6）Pass through the second connecting line（23）With the diffusion chamber（10）Lower chambers phase
Even.
2. according to claim 1 under a kind of variable volume constant pressure gas diffusion coefficient in a liquid measuring device, feature
It is：The diffusion chamber（10）On be provided with variation for observing testing liquid liquid level position and gas diffusion process can
Form（18）.
3. according to claim 1 under a kind of variable volume constant pressure gas diffusion coefficient in a liquid measuring device, feature
It is：The diffusion chamber（10）Inside it is provided with upper bracket（19）And lower bracket（20）, the moveable piston（21）Mobile limit
System is in upper bracket（19）, lower bracket（20）Between.
4. according to claim 1 under a kind of variable volume constant pressure gas diffusion coefficient in a liquid measuring device, feature
It is：Described device further includes data collection system（13）, the first, second pressure sensor（14）, displacement sensor（9）And
For detecting thermostat（11）The thermometer of temperature（12）Respectively with data collection system（13）It is connected.
5. according to claim 4 under a kind of variable volume constant pressure gas diffusion coefficient in a liquid measuring device, feature
It is：The data collection system（13）The moveable piston displacement meter acquired during according to gas diffusion under constant temperature and pressure
The space average concentration of different moments gas diffusion is calculated, and then obtains the diffusion coefficient of gas in a liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917041.5A CN108844862A (en) | 2018-08-13 | 2018-08-13 | A kind of new gas constant pressure disperser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810917041.5A CN108844862A (en) | 2018-08-13 | 2018-08-13 | A kind of new gas constant pressure disperser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108844862A true CN108844862A (en) | 2018-11-20 |
Family
ID=64193153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810917041.5A Withdrawn CN108844862A (en) | 2018-08-13 | 2018-08-13 | A kind of new gas constant pressure disperser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108844862A (en) |
-
2018
- 2018-08-13 CN CN201810917041.5A patent/CN108844862A/en not_active Withdrawn
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181120 |
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| WW01 | Invention patent application withdrawn after publication |