CN108344768A - A kind of device and method measuring gas-liquid component thermal coefficient - Google Patents
A kind of device and method measuring gas-liquid component thermal coefficient Download PDFInfo
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- CN108344768A CN108344768A CN201810233414.7A CN201810233414A CN108344768A CN 108344768 A CN108344768 A CN 108344768A CN 201810233414 A CN201810233414 A CN 201810233414A CN 108344768 A CN108344768 A CN 108344768A
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- 239000007788 liquid Substances 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 73
- 239000012071 phase Substances 0.000 claims abstract description 41
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 239000007791 liquid phase Substances 0.000 claims abstract description 26
- 238000001816 cooling Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 239000000243 solution Substances 0.000 description 48
- 238000005259 measurement Methods 0.000 description 12
- 238000009833 condensation Methods 0.000 description 5
- 230000005494 condensation Effects 0.000 description 5
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- KWGKDLIKAYFUFQ-UHFFFAOYSA-M lithium chloride Chemical compound [Li+].[Cl-] KWGKDLIKAYFUFQ-UHFFFAOYSA-M 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000000908 ammonium hydroxide Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention discloses a kind of device and methods measuring gas-liquid component thermal coefficient, it can be achieved that temperature, pressure（Or concentration）Under controllable operating mode, while measuring the thermal coefficient of air-liquid binary states.The measuring device, including test bodies, gas phase heat conduction coefficient tester, condenser coil, liquid phase heat conduction coefficient tester, the first shut-off valve, data collecting instrument, water tank, solution pump, the second shut-off valve, heat exchanger, liquidus temperature sensor, temperature controller, heating coil, gas phase temperature sensor, constant pressure valve, pressure sensor；Condenser coil is fixedly connected in test bodies inner cavity, and the water outlet of condenser coil is connected by the first water inlet end of the first pipeline and water tank；The water outlet of water tank is connected by the water inlet end of the second pipeline and heat exchanger；The water outlet of heat exchanger and the water inlet end of condenser coil connect；Heating coil is fixedly connected in test bodies inner cavity, and temperature controller is connect with heating coil.
Description
Technical field
The invention belongs to gas-liquid component performance measurement fields, it particularly relates to a kind of measurement gas-liquid component thermal coefficient
Device and method.
Technical background
Thermal coefficient is most basic one of the thermophysical property of substance.Have widely in industries such as the energy, chemical industry, refrigeration
Using.Thermal-hydraulic is especially in thermal apparatus（Such as evaporator, condenser, generator, rectifier）In often in air-liquid
Coexisting state.At this point, temperature, pressure, volume in heat transmission equipment（Or temperature, pressure, concentration）In stable state or unstable state.Such as
What can accurately measure the thermal coefficient of gas-liquid two-phase medium under transient state or stable state, be to carry out the premise of Calculation of Heat Transfer, and become
Ensure one of the key factor rationally designed in heat transmission equipment.
Currently, heat conduction coefficient tester in the market, can only generally meet the test condition under room temperature operating mode.Especially when
Tested liquid is volatile liquid or mixed solution（Such as ammonia spirit, lithium bromide, water lithium chloride solution or nano-fluid）
When, pressure and concentration change with the change of temperature, and the variation of temperature and concentration can make thermal coefficient change.It is existing
Some heat conduction coefficient tester devices can not meet the thermal coefficient under the conditions of the steady state condition of temperature, pressure or concentration necessary simultaneously
It measures.
Invention content
Technical problem：Present invention solves the technical problem that being in view of the shortcomings of the prior art, proposing a kind of measurement gas-liquid group
The device and method of part thermal coefficient is, it can be achieved that temperature, pressure（Or concentration）Under controllable operating mode, while measuring leading for gas-liquid binary states
Hot coefficient.
Technology contents：In order to solve the above technical problems, technical solution used in the embodiment of the present invention is：
On the one hand, the embodiment of the present invention provides a kind of device measuring gas-liquid component thermal coefficient, including test bodies, gas phase are led
Hot coefficient tester, condenser coil, liquid phase heat conduction coefficient tester, the first shut-off valve, data collecting instrument, water tank, solution pump,
Two shut-off valves, heat exchanger, liquidus temperature sensor, temperature controller, heating coil, gas phase temperature sensor, constant pressure valve, pressure sensing
Device；Gas phase heat conduction coefficient tester and liquid phase heat conduction coefficient tester are respectively arranged in test bodies；In use, gas phase heat conduction
Coefficient tester is located above the liquid level in test bodies, and liquid phase heat conduction coefficient tester is located under the liquid level in test bodies
Side；Condenser coil is fixedly connected in test bodies inner cavity, the water outlet of condenser coil pass through the first pipeline and water tank first
Water inlet end connects, and the first shut-off valve is connected in the first pipeline；The water inlet that the water outlet of water tank passes through the second pipeline and heat exchanger
End connection, solution pump and the second shut-off valve are connected in the second pipeline；The water outlet of heat exchanger and the water inlet of condenser coil
End connection；Heating coil is fixedly connected in test bodies inner cavity, and temperature controller is connect with heating coil；Liquidus temperature sensor and
Gas phase temperature sensor is respectively fixedly connected in test bodies；Constant pressure valve is connected to by third pipeline with test bodies；Pressure
Sensor is fixedly connected on the top of test bodies；Pressure sensor, liquidus temperature sensor, gas phase temperature sensor, constant pressure
Valve, gas phase heat conduction coefficient tester, the data output end of liquid phase heat conduction coefficient tester are defeated with the data of data collecting instrument respectively
Enter end connection.
As preference, the device of the measurement gas-liquid component thermal coefficient, further includes visor, the visor and test
Ontology is fixedly connected.
As preference, the visor is at least three, wherein first visor is opposite with condenser coil, and second regards
Mirror is opposite with the liquid level in test bodies；Third visor is located at the top of test bodies.
As preference, the device of the measurement gas-liquid component thermal coefficient, further includes headlamp, the light extraction of headlamp
Face is opposite with third visor.
As preference, the device of the measurement gas-liquid component thermal coefficient further includes the 4th pipeline and by-passing valve, and
One end of four pipelines and the second piping connection, the other end of the 4th pipeline and the second water inlet end of water tank connect, by-passing valve connection
In the 4th pipeline.
As preference, the test bodies, water tank, the first pipeline, the second pipeline, third pipeline, the 4th pipeline are all provided with
There is outer wall insulating layer.
As preference, the device of the measurement gas-liquid component thermal coefficient, further includes safety valve, and the safety valve, which is fixed, to be connected
It is connected at the top of test bodies, and is connected to test bodies.
On the other hand, the embodiment of the present invention also provides a kind of method measuring gas-liquid component thermal coefficient, including：
The first step：Measuring device keeps sealing state, and vacuumize process is carried out to test bodies 1；
Second step：Solution to be measured is filled into test bodies, the liquid level of solution to be measured submerges heating coil；
Third walks：Open the chilled(cooling) water return (CWR) in heat exchanger；Open the first shut-off valve, by-passing valve and the second shut-off valve, condensed water
It is circulated in condenser coil, water tank and heat exchanger；Temperature controller is opened, heating coil is heated；
4th step：The power of temperature controller is adjusted, and adjusts condensate flow so that temperature, the pressure of solution to be measured reach balance
State；Gas phase, the liquid phase Determination of conductive coefficients value of solution to be measured are obtained by data collecting instrument；
5th step：The 4th step is returned, the power and condensate flow of temperature controller are changed, obtains solution to be measured in different temperatures and pressure
Gas phase, liquid phase Determination of conductive coefficients value under power terminate until measuring.
Advantageous effect：Compared with prior art, the embodiment of the present invention has the advantages that：The survey of the embodiment of the present invention
Examination device and method can realize unitary solution, binary solution, complex solution and mixed solution（Such as nano-fluid）Needed for reaching
The measurement of assigned temperature, pressure and gaseous state and liquid heat conductive coefficient under concentration steady state condition.Meanwhile the measurement dress of the present embodiment
Set the test request for solving volatile liquid thermal coefficient in wide temperature, pressure limit.In the prior art, it is open type
Measuring device, temperature regulating range is limited, and is unable to constant pressure.The measuring device of the present embodiment is enclosed construction.Device
Inside have both heating and condense two links, it can be achieved that in larger warm area, wider pressure limit temperature and pressure adjusting.
Description of the drawings
Fig. 1 is the structural schematic diagram of the device of the embodiment of the present invention.
Have in figure：Test bodies 1, gas phase heat conduction coefficient tester 2, condenser coil 3, liquid phase heat conduction coefficient tester 4,
One shut-off valve 5, data collecting instrument 6, water tank 7, solution pump 8, by-passing valve 9, the second shut-off valve 10, heat exchanger 11, liquidus temperature pass
Sensor 12, temperature controller 13, heating coil 14, visor 15, gas phase temperature sensor 16, constant pressure valve 17, safety valve 18, headlamp
19, pressure sensor 20.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, provides detailed embodiment and specific operating process, but protection scope of the present invention is not limited to the embodiment of subordinate.
As shown in Figure 1, a kind of device of test gas-liquid component thermal coefficient of the embodiment of the present invention, including test bodies 1,
Gas phase heat conduction coefficient tester 2, condenser coil 3, liquid phase heat conduction coefficient tester 4, the first shut-off valve 5, data collecting instrument 6, water
Case 7, solution pump 8, the second shut-off valve 10, heat exchanger 11, liquidus temperature sensor 12, temperature controller 13, heating coil 14, gas phase temperature
Spend sensor 16, constant pressure valve 17 and pressure sensor 20.Gas phase heat conduction coefficient tester 2 and liquid phase heat conduction coefficient tester 4 are divided
It is not installed in test bodies 1；In use, gas phase heat conduction coefficient tester 2 is located above the liquid level in test bodies 1, liquid phase
Heat conduction coefficient tester 4 is located at below the liquid level in test bodies 1.Condenser coil 3 is fixedly connected in 1 inner cavity of test bodies,
The water outlet of condenser coil 3 is connect by the first pipeline with the first water inlet end of water tank 7, and the first shut-off valve 5 is connected to the first pipe
Lu Zhong.The water outlet of water tank 7 is connect by the second pipeline with the water inlet end of heat exchanger 11, and solution pump 8 and the second shut-off valve 10 divide
It is not connected in the second pipeline.The water outlet of heat exchanger 11 is connect with the water inlet end of condenser coil 3.Heating coil 14 is fixedly connected
In 1 inner cavity of test bodies, temperature controller 13 is connect with heating coil 14.Liquidus temperature sensor 12 and gas phase temperature sensor 16
It is respectively fixedly connected in test bodies 1.Constant pressure valve 17 is connected to by third pipeline with test bodies 1；Pressure sensor 20 is solid
Surely it is connected to the top of test bodies 1.Pressure sensor 20, liquidus temperature sensor 12, gas phase temperature sensor 16, constant pressure valve
17, gas phase heat conduction coefficient tester 2, the data output end data with data collecting instrument 6 respectively of liquid phase heat conduction coefficient tester 4
Input terminal connects.
In the device of the test gas-liquid component thermal coefficient of above-described embodiment, solution to be measured is contained in test bodies 1.It waits for
It can be unitary solution to survey solution（Such as water, ethyl alcohol, refrigerant, oils）, binary solution（Such as ammonium hydroxide, lithium bromide water solution, chlorination
Lithium aqueous solution, Binary Refrigerant Mixtures etc.）, complex solution（Diversity refrigerant or solution etc.）, mixed solution（As addition is received
The solution of rice or finely ground particles）Deng.Solution to be measured can be azeotropic solution or non-azeotropic solution.
It is in gaseous state that part solution to be measured volatilizees in test bodies 1, is still located in test bodies 1.Gas phase thermal coefficient is surveyed
Examination instrument 2 is used to measure the thermal coefficient of gas.Liquid phase heat conduction coefficient tester 4 is used to measure the thermal coefficient of liquid.
Condenser coil 3, water tank 7, heat exchanger 11 constitute condensing unit.Condensing unit carries out temperature to gas in test bodies 1
Degree is adjusted.Specifically, for unitary solution, when temperature is constant, pressure also reaches balance, adjusts temperature at this time and also adjusts
Pressure is saved；When solution is binary or is polynary, temperature, pressure and concentration three are entity, that is, are determined in three parameters
When two parameters reach stable state, third parameter also determines.
Temperature controller 13 and heating coil 14 constitute heating device.Heating device carries out the solution in test bodies 1
Heating.Heating device heats solution, changes the temperature of solution, also changes the concentration of solution.
The flow of condensed water in condensing unit is adjusted by the first shut-off valve 5 and the second shut-off valve 10.Constant pressure valve 17 is used for
Adjust gas pressure in test bodies 1 so that pressure can be constant at pressure needed for test in test bodies 1.
The heating power that above-described embodiment passes through condensate flow and heating device in adjusting condensing unit so that test
Gas-liquid component in ontology 1 is under different temperature and pressure operating modes, realizes the thermal conductivity measurement to gas-liquid binary states.The reality
The device of example is applied, the thermal coefficient of the gas-liquid binary states under the temperature and pressure operating mode in larger section can be measured.The present apparatus uses
In enclosure space, have both two links of heating and condensation, can reach larger warm area, in wider pressure limit temperature and pressure tune
Section.
Data collecting instrument 6 acquires the number in pressure sensor 20, liquidus temperature sensor 12, gas phase temperature sensor 16
According to when the pressure and temperature in test bodies 1, which reaches, measures required operating mode, data collecting instrument 6 acquires gas phase thermal coefficient and surveys
The data in instrument 2, liquid phase heat conduction coefficient tester 4 are tried, gas phase thermal coefficient and liquid phase thermal coefficient are obtained.
Data collecting instrument 6 acquires the data in pressure sensor 20, liquidus temperature sensor 12, gas phase temperature sensor 16
Afterwards, when the pressure and temperature in test bodies 1, which cannot reach, measures required operating mode, pass through and adjust 14 heating amount of heating coil
（Adjust temperature controller 13）, condensed water circuit water flow（Adjust 9 aperture of by-passing valve）And 17 aperture of constant pressure valve so that survey
The pressure and temperature tried in ontology 1 meets operating mode needed for measurement.Gas phase heat conduction coefficient tester is acquired by data collecting instrument 6 again
2, the data in liquid phase heat conduction coefficient tester 4 obtain gas phase thermal coefficient and liquid phase thermal coefficient.
As preference, the device of the test gas-liquid component thermal coefficient further includes visor 15, visor 15 and test
Ontology 1 is fixedly connected.More preferred, the visor 15 is at least three, wherein first visor 15 and 3 phase of condenser coil
Right, second visor 15 is opposite with the liquid level in test bodies 1；Third visor 15 is located at the top of test bodies 1.Pass through
Three visors can be to provide illumination in test bodies 1.Pass through the condensation of first 15 Observable condenser coil of visor, 3 outer side gas
Situation.Pass through the heating evaporation situation of second 15 Observable heating coil of visor, 14 outer liquid.
As preference, the device of the test gas-liquid component thermal coefficient, further includes headlamp 19, headlamp 19 goes out
Smooth surface is opposite with third visor 15.The light-emitting surface of headlamp 19 is opposite with third visor 15 so that headlamp 19 projected
Light can be irradiated to the solution in test bodies 1, convenient for survey crew by first visor 15 and second visor 15 more
Add clear observation.
As preference, the device of the test gas-liquid component thermal coefficient further includes the 4th pipeline and by-passing valve 9,
One end of 4th pipeline and the second piping connection, the other end of the 4th pipeline are connect with the second water inlet end of water tank 7, by-passing valve 9
It is connected in the 4th pipeline.
9 groups of condenser coil 3, the first shut-off valve 5, the second shut-off valve 10, water tank 7, solution pump 8, heat exchanger 11 and by-passing valve
At condensation water loop.Condensation heat is brought by the cooling water in chilled(cooling) water return (CWR) in heat exchanger 11 and is released to air to cooling tower heat dissipation
In.
As preference, the test bodies 1, water tank 7, the first pipeline, the second pipeline, third pipeline, the 4th pipeline are equal
Equipped with outer wall insulating layer.The purpose that insulating layer is arranged is kept the temperature for entire measuring device, to prevent heat loss, is surveyed convenient for remaining required
Trial work condition（Temperature, pressure）It is constant so that heat conducting coefficient measuring is more accurate.
As preference, the device of the test gas-liquid component thermal coefficient, further includes safety valve 18, and safety valve 18 is fixed
It is connected to 1 top of test bodies, and is connected to test bodies 1.The purpose that safety valve 18 is arranged is that measurement dress can be previously set
It sets and can bear maximum pressure（Allow maximum pressure）.When pressure allows maximum pressure beyond system in test bodies 1, peace
Full valve 18 i.e. rapid open releases stress, to prevent the emergent situation such as occur exploding.
The embodiment of the present invention also provides a kind of method of test gas-liquid component thermal coefficient, including：
The first step：Measuring device keeps sealing state, and vacuumize process is carried out to test bodies 1；
Second step：Solution to be measured is filled into test bodies 1, the liquid level of solution to be measured submerges heating coil 14；
Third walks：Open the chilled(cooling) water return (CWR) in heat exchanger 11；The first shut-off valve 5, by-passing valve 9 and the second shut-off valve 10 are opened,
Condensed water circulates in condenser coil 3, water tank 7 and heat exchanger 11；Temperature controller 13 is opened, heating coil 14 is heated
Processing；
4th step：The power of temperature controller 13 is adjusted, and adjusts condensate flow so that temperature, the pressure of solution to be measured reach flat
Weighing apparatus state；Gas phase, the liquid phase Determination of conductive coefficients value of solution to be measured are obtained by data collecting instrument 6；
5th step：Return to the 4th step, change the power and condensate flow of temperature controller 13, obtain solution to be measured in different temperatures and
Gas phase, liquid phase Determination of conductive coefficients value under pressure terminate until measuring.
In the method for above-described embodiment, as preference, the 4th step specifically includes：Heating coil is adjusted by temperature controller 13
14 heating amounts；By adjusting 9 aperture of by-passing valve, regulation and control condensed water circuit water flow；17 aperture of constant pressure valve is controlled, so that waiting for
Temperature, the pressure for surveying solution reach equilibrium state, meet operating mode needed for measuring.
The measuring device of above-described embodiment can measure the thermal coefficient of the gas phase and liquid phase of solution to be measured, may be used also simultaneously
Under different equilibrium state operating modes, to test the thermal coefficient of gaseous constituent and liquid component.
In the measuring device of above-described embodiment, temperature, pressure and the concentration of fluid to be measured can be constant, and adjustable.Its
Method is specifically：Heating coil 14 heats the solution to be measured in test bodies 1 so that solution evaporation to be measured or the gas that boils
（Or low boiling component）；Starting solution pump 8, condensed water is recycled to condenser coil 3 from water tank 7 via solution pump 8, heat exchanger 11,
Take away the heat for the gas that 1 headroom space of test bodies evaporates so that portion gas cools down cold in 3 outer surface of condenser coil
Solidifying, condensation heat cooled water system in heat exchanger 11 is taken away to cooling tower.Temperature and pressure in test bodies 1 is by temperature controller
13 and condenser coil 3 in water flow control, be finally reached gas-liquid binary states test needed for temperature and pressure.In test bodies 1
Temperature and pressure can be by adjusting 14 heating amount of heating coil（Adjust temperature controller 13）, condensed water circuit water flow（Adjust
Save 9 aperture of by-passing valve）And 17 aperture of constant pressure valve, it is finally reached the temperature and pressure needed for the test of air-liquid binary states.If two
Member or complex solution, the control of temperature, pressure can determine required concentration determination requirement.
The basic principles, main features and advantages of the invention have been shown and described above.Those skilled in the art should
Understand, the present invention do not limited by above-mentioned specific embodiment, the description in above-mentioned specific embodiment and specification be intended merely into
One step illustrates the principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also have various change and
It improves, these changes and improvements all fall within the protetion scope of the claimed invention.The scope of protection of present invention is wanted by right
Ask book and its equivalent thereof.
Claims (8)
1. a kind of device measuring gas-liquid component thermal coefficient, which is characterized in that the device includes test bodies（1）, gas phase leads
Hot coefficient tester（2）, condenser coil（3）, liquid phase heat conduction coefficient tester（4）, the first shut-off valve（5）, data collecting instrument
（6）, water tank（7）, solution pump（8）, the second shut-off valve（10）, heat exchanger（11）, liquidus temperature sensor（12）, temperature controller
（13）, heating coil（14）, gas phase temperature sensor（16）, constant pressure valve（17）, pressure sensor（20）；
Gas phase heat conduction coefficient tester（2）With liquid phase heat conduction coefficient tester（4）It is respectively arranged in test bodies（1）On；It uses
When, gas phase heat conduction coefficient tester（2）Positioned at test bodies（1）In liquid level above, liquid phase heat conduction coefficient tester（4）It is located at
Test bodies（1）In liquid level below；
Condenser coil（3）It is fixedly connected on test bodies（1）In inner cavity, condenser coil（3）Water outlet by the first pipeline with
Water tank（7）The first water inlet end connection, the first shut-off valve（5）It is connected in the first pipeline；Water tank（7）Water outlet pass through second
Pipeline and heat exchanger（11）Water inlet end connection, solution pump（8）With the second shut-off valve（10）It is connected in the second pipeline；It changes
Hot device（11）Water outlet and condenser coil（3）Water inlet end connection；
Heating coil（14）It is fixedly connected on test bodies（1）In inner cavity, temperature controller（13）With heating coil（14）Connection；
Liquidus temperature sensor（12）With gas phase temperature sensor（16）It is respectively fixedly connected in test bodies（1）On；Constant pressure valve
（17）Pass through third pipeline and test bodies（1）Connection；Pressure sensor（20）It is fixedly connected on test bodies（1）Top；
Pressure sensor（20）, liquidus temperature sensor（12）, gas phase temperature sensor（16）, constant pressure valve（17）, gas phase heat conduction
Coefficient tester（2）, liquid phase heat conduction coefficient tester（4）Data output end respectively with data collecting instrument（6）Data input
End connection.
2. the device described in accordance with the claim 1 for measuring gas-liquid component thermal coefficient, which is characterized in that further include visor
（15）, the visor（15）With test bodies（1）It is fixedly connected.
3. measuring the device of gas-liquid component thermal coefficient according to claim 2, which is characterized in that the visor（15）Extremely
It is three less, wherein first visor（15）With condenser coil（3）Relatively, second visor（15）With test bodies（1）Interior
Liquid level is opposite；Third visor（15）Positioned at test bodies（1）Top.
4. the device described in accordance with the claim 3 for measuring gas-liquid component thermal coefficient, which is characterized in that further include headlamp
（19）, headlamp（19）Light-emitting surface and third visor（15）Relatively.
5. the device described in accordance with the claim 1 for measuring gas-liquid component thermal coefficient, which is characterized in that further include the 4th pipeline
And by-passing valve（9）, one end and the second piping connection of the 4th pipeline, the other end and water tank of the 4th pipeline（7）Second water inlet
End connection, by-passing valve（9）It is connected in the 4th pipeline.
6. measuring the device of gas-liquid component thermal coefficient according to claim 5, which is characterized in that the test bodies
（1）, water tank（7）, the first pipeline, the second pipeline, third pipeline, the 4th pipeline be equipped with outer wall insulating layer.
7. the device described in accordance with the claim 1 for measuring gas-liquid component thermal coefficient, which is characterized in that further include safety valve
（18）, the safety valve（18）It is fixedly connected on test bodies（1）Top, and and test bodies（1）Connection.
8. a kind of method measuring gas-liquid component thermal coefficient, which is characterized in that the method includes：
The first step：Measuring device keeps sealing state, and vacuumize process is carried out to test bodies 1；
Second step：To test bodies（1）Middle filling solution to be measured, the liquid level of solution to be measured submerge heating coil（14）；
Third walks：Open heat exchanger（11）In chilled(cooling) water return (CWR)；Open the first shut-off valve（5）, by-passing valve（9）With the second cut-off
Valve（10）, condensed water is in condenser coil（3）, water tank（7）And heat exchanger（11）In circulate；Open temperature controller（13）, pair plus
Hot coil（14）Heated；
4th step：Adjust temperature controller（13）Power, and adjust condensate flow so that temperature, the pressure of solution to be measured reach
Equilibrium state；Pass through data collecting instrument（6）Obtain gas phase, the liquid phase Determination of conductive coefficients value of solution to be measured；
5th step：The 4th step is returned, temperature controller is changed（13）Power and condensate flow, obtain solution to be measured in different temperatures
With gas phase, the liquid phase Determination of conductive coefficients value under pressure, terminate until measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810233414.7A CN108344768B (en) | 2018-03-21 | 2018-03-21 | Device and method for measuring heat conductivity coefficient of gas-liquid component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810233414.7A CN108344768B (en) | 2018-03-21 | 2018-03-21 | Device and method for measuring heat conductivity coefficient of gas-liquid component |
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| Publication Number | Publication Date |
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| CN108344768A true CN108344768A (en) | 2018-07-31 |
| CN108344768B CN108344768B (en) | 2024-04-26 |
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| CN201810233414.7A Active CN108344768B (en) | 2018-03-21 | 2018-03-21 | Device and method for measuring heat conductivity coefficient of gas-liquid component |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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