CN206177929U - A testing arrangement for testing gaseous low temperature adsorption performance - Google Patents
A testing arrangement for testing gaseous low temperature adsorption performance Download PDFInfo
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- CN206177929U CN206177929U CN201621262738.6U CN201621262738U CN206177929U CN 206177929 U CN206177929 U CN 206177929U CN 201621262738 U CN201621262738 U CN 201621262738U CN 206177929 U CN206177929 U CN 206177929U
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- 238000012360 testing method Methods 0.000 title claims abstract description 119
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 41
- 238000010521 absorption reaction Methods 0.000 claims description 58
- 238000005057 refrigeration Methods 0.000 claims description 55
- 238000012512 characterization method Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 abstract description 26
- 238000002474 experimental method Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 107
- 239000000523 sample Substances 0.000 description 101
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 239000001307 helium Substances 0.000 description 8
- 229910052734 helium Inorganic materials 0.000 description 8
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 8
- 239000002994 raw material Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 4
- 238000011105 stabilization Methods 0.000 description 4
- 239000003463 adsorbent Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 239000013068 control sample Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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- 238000005728 strengthening Methods 0.000 description 1
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Abstract
The utility model discloses a testing device for testing the low-temperature adsorption performance of gas, which comprises a low-temperature device, a gas adsorption instrument and an air inlet pipeline; the low-temperature device comprises a refrigerator, a sample cavity, a shielding cover and a vacuum cover, wherein the sample cavity is arranged on a secondary cold head of the refrigerator and used for placing a sample for testing, the shielding cover covers the secondary cold head of the refrigerator and the sample cavity, and the vacuum cover covers the shielding cover to enable the primary cold head of the refrigerator, the secondary cold head of the refrigerator and the sample cavity to be in a vacuum environment; the sample cavity is connected with the reference cavity of the adsorption instrument in the gas adsorption instrument through a gas transmission pipeline. The utility model provides a testing arrangement uses the refrigerator as the cold source, and it has solved among the prior art excessive dependence of gaseous low temperature adsorption performance testing arrangement to cryogenic liquids, leads to the experiment operation complicacy, causes the problem of the raw and other materials waste in a large number as cryogenic liquids.
Description
Technical field
The utility model is related to gas absorption performance technical field of measurement and test, more particularly to a kind of for testing gas low temperature suction
The test device of attached performance.
Background technology
With Chinese society rapid development of economy, various large-scale, crucial, high-grade, precision and advanced critical system demands are constantly increased
Plus, China has become the use big country of large-scale low-temperature refrigeration plant.The characterization of adsorption of gas is absorption refrigeration under cryogenic conditions
The key parameter in the fields such as machine, adsorbing separation design.With the hair of China cryogenic vacuum adsorption pump, helium refrigerator and helium liquefier
Exhibition, to the research of various adsorbents (i.e. sample) characterization of adsorption also strengthening, but can not still meet large-scale low-temperature refrigeration plant
Technical requirements and needs.It is particularly few to the adsorption experiment data of gas in 77K temperature below sample, but these data
It is theoretical foundation and evaluation indispensable on the development directions such as acquisition, large-scale low-temperature refrigeration machine and the helium liquefier of high-purity gas
Means.
Country's multicomponent gas absorption test device uses cryogenic liquid (such as liquid nitrogen 77K or liquid helium four .2K) conduct at present
Low-temperature receiver.When test device works, first pass through and cryogenic liquid (such as liquid nitrogen 77K or liquid helium four .2K) is input to the mode of vacuum dewar
Adsorbent (i.e. sample) and adsorption chamber are cooled down, then by cryogenic liquid vaporising device and temperature-controlling system come to adsorbent (i.e. sample
Product) and the temperature of adsorption chamber be controlled.Therefore, substantial amounts of cryogenic liquid can be consumed during the test mode is carried out, its gesture
A large amount of wastes of cryogenic liquid raw material must be caused；And wherein as the helium of cryogenic liquid raw material be a kind of rare non-renewable
Resource, content is considerably less at the earth's surface, and its extraction process is extremely difficult.Therefore, in order to save cryogenic liquid raw material, keep away
Exempt from a large amount of wastes of cryogenic liquid raw material, and then need a kind of new test for testing gas low temperature absorption property of design to fill
Put.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of test for testing gas low temperature absorption property and fills
Put.The test device using refrigeration machine as low-temperature receiver, which solve in the prior art gas low temperature absorption property test device to low
The undue dependence of geothermal liquid, causes experimental implementation complicated, the problem for causing largely to be wasted as the raw material of cryogenic liquid；Simultaneously
Test device provided by the utility model also achieves sample cavity temperature controllable precise, and can be directed to multicomponent gas low temperature
The function that absorption property is tested.
In order to solve the above technical problems, the utility model uses following technical proposals：
A kind of test device for testing gas low temperature absorption property, the test device includes Cryo Equipment, is used for
The gas absorption instrument tested with the characterization of adsorption between gas and test sample test and with the gas absorption instrument
The air inlet pipeline being input into gas for test of interior adsorption instrument reference cavity connection；
The Cryo Equipment includes refrigeration machine, the sample for placing test sample being arranged on two grades of cold heads of refrigeration machine
Product chamber, the radome being located at outside two grades of cold heads of refrigeration machine and sample cavity and being located at outside the radome makes refrigeration machine one-level cold
Vacuum (-tight) housing at head, two grades of cold heads of refrigeration machine and sample cavity under vacuum conditions；
The radome is used to reduce two grades of radiation heat transfers between cold head and sample cavity and exterior space of refrigeration machine, vacuum
Cover the vacuum environment needed for the test sample that ensure that in sample cavity and sample cavity is obtained in that low temperature.
The sample cavity is connected by air delivering pipeline with adsorption instrument reference cavity in the gas absorption instrument.
Further, the temperature controller for adjusting sample cavity temperature, the temperature control are additionally provided with the refrigeration machine
Device processed is arranged in the radome.The temperature controller is used to monitor the temperature in sample cavity and sample cavity, specially temperature
The temperature signal that degree controller will be monitored passes to external temperature control system, is controlled to adjust by external temperature control system
Temperature in the temperature of temperature controller, and then accurate adjustment control sample cavity and sample cavity so that the temperature energy in sample cavity
It is enough to change from 4.2K to 300K.
Further, the temperature controller is arranged on two grades of cold heads of refrigeration machine.
Further, the air inlet pipeline is provided with after the completion of the test of gas low temperature absorption property for emptying test dress
Put the vavuum pump of interior test gas.
Further, the test device also includes the multicomponent gas reference being connected with the air inlet pipeline inlet end
What the multicomponent gas intake line and the air inlet pipeline that chamber is connected with the multicomponent gas reference cavity were arranged in parallel
Sample gas reference cavity and the gas chromatograph being connected with the sample gas reference cavity.
Further, the sample gas reference cavity passes through the first bye-pass and the second bye-pass with the air inlet pipeline simultaneously
Connection is set；The second valve and the 3rd valve are respectively arranged with first bye-pass and the second bye-pass.
Further, it is provided with the first valve on the air inlet pipeline between the first bye-pass and the second bye-pass.
Further, the air delivering pipeline is provided with the 4th valve.
The utility model compared with prior art, with it is following actively beneficial effect：
1st, test device provided by the utility model manufactures low temperature environment without using cryogenic liquid, it is not necessary to consume
Cryogenic liquid liquid helium or liquid nitrogen, solve gas low temperature absorption property test device in the prior art to cryogenic liquid it is undue according to
Rely, cause experimental implementation complicated, the problem for causing largely to be wasted as the raw material of cryogenic liquid.
2nd, using refrigeration machine as low-temperature receiver, sample cavity is directly mounted to refrigeration machine to test device provided by the utility model
On two grades of cold heads, and by temperature controller set on two grades of cold heads of refrigeration machine, appoint in measurable 4.2K to 300K warm areas
Anticipate temperature environment gas absorption performance, and sample cavity temperature controllable precise, while the test device can also be directed to it is multigroup
Part gas low temperature absorption property is tested.
3rd, test device simple structure provided by the utility model, reliability be high, simple to operate, efficiency high.
Brief description of the drawings
Fig. 1 is the overall structure diagram of test device in the utility model first embodiment.
Fig. 2 is the overall structure diagram of test device in the utility model second embodiment.
Specific embodiment
, it is necessary to illustrate in specific embodiment of the present utility model, unless otherwise clearly defined and limited, art
Language " installation ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or
It is integrally connected；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to by between intermediary
Connect connected, can be two connections of element internal.For the ordinary skill in the art, can be understood with concrete condition
Concrete meaning of the above-mentioned term in the utility model.Additionally, in description of the present utility model, it is unless otherwise indicated, " many
It is individual " it is meant that two or more.
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment
The embodiment stated is a part of embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
Embodiment 1：
As shown in figure 1, the present embodiment provide it is a kind of for single-component gas for testing gas low temperature absorption property
Test device, the test device is including Cryo Equipment 1, for the characterization of adsorption between test gas and test sample
The gas absorption instrument 2 tested and be connected with adsorption instrument reference cavity 21 in the gas absorption instrument 2 for test gas
The air inlet pipeline 100 of input；The inlet end of the air inlet pipeline 100 is connected with gas storage tank 9, and the air inlet pipeline 100 and sets
It is equipped with the first valve 1001.
The Cryo Equipment 1 includes refrigeration machine 11, is arranged on being used for placing test on 11 2 grades of cold heads 111 of refrigeration machine
The sample cavity 3 of sample, the radome 4 being located at outside 11 2 grades of cold heads 111 of refrigeration machine and sample cavity 3 and it is located at the radome
Make the vacuum (-tight) housing 5 at the one-level cold head 112 of refrigeration machine 11,11 2 grades of cold heads 111 of refrigeration machine and sample cavity 3 under vacuum conditions outside 4；
The sample cavity 3 is connected by air delivering pipeline 200 with adsorption instrument reference cavity 21 in the gas absorption instrument 2, the air delivering pipeline
200 are provided with the 4th valve 2001.
In technical scheme provided in the present embodiment, it is cold that the sample cavity 3 is detachably mounted to 11 2 grades of refrigeration machine
On first 111, for the ease of changing test sample, the sample cavity 3 includes lid and sample cavity lower cover on sample cavity, on adsorption chamber
Fixed by bolt and gasket seal between lid and adsorption chamber lower cover.
In the vacuum (-tight) housing 5, test sample is sealed in sample cavity 3 radome 4, the radome 4 and vacuum
Cover 5 is installed on the refrigeration machine 11, after sample cavity 3 is set as precalculated position (i.e. two grades of cold heads of refrigeration machine), can be passed through
Flange seal vacuum (-tight) housing 5, makes to form a closed vacuum environment in vacuum (-tight) housing 5, and the sample cavity 3 in vacuum (-tight) housing 5 is in vacuum
In environment, it is used to ensure that test sample can in time be cooled down by refrigeration machine 11.
Further, the temperature controller 113 for adjusting sample cavity temperature, the temperature are additionally provided with the refrigeration machine 11
Degree controller 113 is arranged in the radome 4.Specially described temperature controller 113 is located at 11 2 grades of cold heads 111 of refrigeration machine
Outer wall on, the temperature signal in sample cavity 3 that temperature controller 113 will be monitored and sample cavity 3 passes to external temperature control
System processed, after external temperature control system receives the temperature signal that temperature controller 113 is monitored, operating personnel can be by outer
Portion's temperature control system realizes the real-time regulation control to test sample ambient temperature in sample cavity 3 and sample cavity 3, uses
To realize that sample cavity 3 and test sample ambient temperature keep permanent under a certain temperature value of temperature range (4.2K to 300K)
Temperature, absorption property test can be carried out to meet test sample in the warm area of each stabilization.
Further, the air inlet pipeline 100 is provided with after the completion of the test of gas low temperature absorption property for emptying survey
The vavuum pump 6 of interior test gas is put in trial assembly, specifically, the vavuum pump 6 is connected to adsorption instrument reference in the gas absorption instrument 2
On air inlet pipeline 100 between chamber 21 and first valve 1001.In the present embodiment, the vavuum pump 6 uses dry pump, institute
Stating temperature controller 113 uses ring-type temperature controller, the gas absorption instrument 2 to use the isothermal adsorption instrument, the refrigeration machine 11 can to adopt
With G-M refrigeration machines, pulse tube refrigerating machine or sterlin refrigerator.
The course of work that the present embodiment provides technical scheme is as follows：
Vacuum (-tight) housing 5, radome 4, sample cavity 3 are opened successively first, will be positioned over by the test sample of pretreatment
In sample cavity 3, lid and sample cavity lower cover on sample cavity are connected with bolt and pad, and consolidated sample cavity 3 by bolt
It is scheduled on 11 2 grades of cold heads 111 of refrigeration machine, finally radome 4 and vacuum (-tight) housing 5 is fixed with the ring flange on refrigeration machine 11.
Complete after test sample disposal, start setting up experimental condition, open refrigeration machine 11 and temperature controller 113,
By external temperature control system monitor and control sample cavity 3 and sample cavity 3 in environment temperature around test sample, when reaching
To after experimental condition institute's predetermined temperature and temperature stabilization, the gas low temperature absorption property test device is opened, and open the first valve
The valve 2001 of door 1001 and the 4th, gas absorption performance test is carried out by gas absorption instrument 2.
Embodiment 2：
As shown in Fig. 2 the present embodiment provide it is a kind of for multicomponent gas for testing gas low temperature absorption property
Test device, the test device is including Cryo Equipment 1, for the characterization of adsorption between test gas and test sample
The connection of adsorption instrument reference cavity 21 is defeated for test gas in the gas absorption instrument 2 tested and the gas absorption instrument 2
Multicomponent gas reference cavity 7 and the multicomponent that the air inlet pipeline 100 for entering is connected with the inlet end of the air inlet pipeline 100
The sample gas that the multicomponent gas intake line 300 and the air inlet pipeline 100 that gas reference chamber 7 is connected are arranged in parallel
Reference cavity 8 and the gas chromatograph 81 being connected with the sample gas reference cavity 8；The multicomponent gas intake line 300
Inlet end is connected with the gas storage tank 9 of multiple different components, and the sample gas reference cavity 8 is by the first bye-pass 82 and the
Two bye-passes 83 are arranged in parallel with the air inlet pipeline 100；It is respectively arranged with the bye-pass 83 of first bye-pass 82 and second
Second valve 821 and the 3rd valve 831, set on the air inlet pipeline 100 between the first bye-pass 82 and the second bye-pass 83
Put the first valve 1001.
The Cryo Equipment 1 includes refrigeration machine 11, is arranged on being used for placing test on 11 2 grades of cold heads 111 of refrigeration machine
The sample cavity 3 of sample, the radome 4 being located at outside 11 2 grades of cold heads 111 of refrigeration machine and sample cavity 3 and it is located at the radome
Make the vacuum (-tight) housing 5 at the one-level cold head 112 of refrigeration machine 11,11 2 grades of cold heads 111 of refrigeration machine and sample cavity 3 under vacuum conditions outside 4；
The sample cavity 3 is connected by air delivering pipeline 200 with adsorption instrument reference cavity 21 in the gas absorption instrument 2, the air delivering pipeline
200 are provided with the 4th valve 2001.
In technical scheme provided in the present embodiment, it is cold that the sample cavity 3 is detachably mounted to 11 2 grades of refrigeration machine
On first 111, for the ease of changing test sample, the sample cavity 3 includes lid and sample cavity lower cover on sample cavity, on adsorption chamber
Fixed by bolt and gasket seal between lid and adsorption chamber lower cover.
In the vacuum (-tight) housing 5, test sample is sealed in sample cavity 3 radome 4, the radome 4 and vacuum
Cover 5 is installed on the refrigeration machine 11, after sample cavity 3 is set as precalculated position (i.e. two grades of cold heads of refrigeration machine), can be passed through
Flange seal vacuum (-tight) housing, makes to form a closed vacuum environment in vacuum (-tight) housing 5, and the sample cavity 3 in vacuum (-tight) housing 5 is in vacuum ring
In border, it is used to ensure that test sample can in time be cooled down by refrigeration machine.
Further, the temperature controller 113 for adjusting sample cavity temperature, the temperature are additionally provided with the refrigeration machine 11
Degree controller 113 is arranged in the radome 4.Specially described temperature controller 113 is located at 11 2 grades of cold heads 111 of refrigeration machine
Outer wall on, the temperature signal in sample cavity 3 that temperature controller 113 will be monitored and sample cavity 3 passes to external temperature control
System processed, after external temperature control system receives the temperature signal that temperature controller 113 is monitored, operating personnel can be by outer
Portion's temperature control system realizes the real-time regulation control to test sample ambient temperature in sample cavity 3 and sample cavity 3, uses
To realize that sample cavity 3 and test sample ambient temperature keep permanent under a certain temperature value of temperature range (4.2K to 300K)
Temperature, absorption property test can be carried out to meet test sample in the warm area of each stabilization.
Further, it is additionally provided with the air inlet pipeline 100 after the completion of the test of gas low temperature absorption property for emptying
The vavuum pump 6 of test gas in test device, specifically, the vavuum pump 6 is connected to adsorption instrument ginseng in the gas absorption instrument 2
Examine on the air inlet pipeline 100 between chamber 21 and first bye-pass 82.In the present embodiment, the vavuum pump 6 uses dry pump,
The temperature controller 113 uses ring-type temperature controller, the gas absorption instrument 2 to use isothermal adsorption instrument, and the refrigeration machine 11 can
Using G-M refrigeration machines, pulse tube refrigerating machine or sterlin refrigerator.
The course of work that the present embodiment provides technical scheme is as follows：
Vacuum (-tight) housing 5, radome 4, sample cavity 3 are opened successively first, will be positioned over by the test sample of pretreatment
In sample cavity 3, lid and sample cavity lower cover on sample cavity are connected with bolt and pad, and consolidated sample cavity 3 by bolt
It is scheduled on 11 2 grades of cold heads 111 of refrigeration machine, finally radome 4 and vacuum (-tight) housing 5 is fixed with the ring flange on refrigeration machine 11.
Complete after test sample disposal, start setting up experimental condition, open refrigeration machine 11 and temperature controller 113,
By external temperature control system monitor and control sample cavity 3 and sample cavity 3 in environment temperature around test sample, when reaching
To after experimental condition institute's predetermined temperature and temperature stabilization, the multicomponent gas cryogenic absorption performance testing device is opened, at each
Cryogenic absorption performance on pressure spot to multicomponent gas is tested.
Because the pressure spot tested is different in the present embodiment, so in test, multicomponent gas insufflation gas are used in test
In adsorption instrument 2 after adsorption instrument reference cavity 21 and sample cavity 3, need it is to be tested reach adsorption equilibrium with multicomponent gas after, recycle
The cryogenic absorption performance of 2 pairs of test multicomponent gases of gas absorption instrument is analyzed, and uses many so as to obtain the test of this pressure spot
The adsorbance of component gas.
The test device that the present embodiment is provided in test process, each pressure spot test after the completion of, due to multicomponent
Influencing each other between gas, the concentration of multicomponent gas is not allocated by source of the gas concentration, therefore is reached in multicomponent gas
The composition of multicomponent gas also there occurs change after adsorption equilibrium, as a result cause multicomponent gas concentration after each pressure spot
It is different, therefore the absorption of each gas component in multicomponent gas after adsorption equilibrium can not be calculated with fixed source of the gas concentration
Amount, this is accomplished by after the experiment of each pressure spot terminates, on the premise of multicomponent gas adsorption equilibrium is not influenceed, by sampling
8 pairs, the gas reference chamber multicomponent gas being filled with is sampled, and by 81 pairs of multicomponent gases of collection of gas chromatograph
Carry out constituent analysis.
In multicomponent gas air inlet, the test device that the present embodiment is provided is first by closing the He of the first valve 1001
Second valve 821, opens the 3rd valve 831 so that 8 pairs of multicomponent gases being filled with of sample gas reference cavity are sampled,
And the multicomponent gas by 81 pairs of collections of gas chromatograph carries out constituent analysis；The second valve 821 is then shut off, the 3rd is opened
Valve 831, the 4th valve 2001 and the first valve 1001, make be filled with multicomponent gas enter absorption in gas absorption instrument 2
Instrument reference cavity 21 and sample cavity 3.After a certain pressure spot is reached, on the premise of multicomponent gas adsorption equilibrium is not influenceed, lead to
Closing the first valve 1001 and the 3rd valve 831 are crossed, the second valve 821 is opened so that sample gas reference cavity 8 is to adsorption equilibrium
Multicomponent gas afterwards is sampled, and carries out constituent analysis by 81 pairs of multicomponent gases for gathering of gas chromatograph, while
Under the auxiliary of gas absorption instrument 2, the gas absorption amount in sample cavity can be calculated using the principle of mass conservation, so that
The adsorbance of each gas component in this pressure spot multicomponent gas.
As can be seen here, the test device for testing gas low temperature absorption property provided by the utility model, using system
Cold realizes single-component gas under low temperature environment (4.2K-300K) as low-temperature receiver, and by its cooperation with temperature controller
Or in multicomponent gas cryogenic absorption performance test, and measurable 4.2K-300K warm areas arbitrary temp environment gas adsorbability
Energy；Compared with traditional cryogenic gas absorption property test device, test device provided by the utility model is without Low Temperature Liquid
Body manufactures low temperature environment, and need not consume as the liquid helium or liquid nitrogen of cryogenic liquid, it is to avoid the wasting of resources, with temperature control
Accurately, simple structure, reliability be high, simple to operate, efficiency high the advantages of.
Description orientation employed in herein word " on ", D score, "left", "right" etc. be for illustrating facilitate base
For orientation in accompanying drawing shown in drawing, these orientation may be due to the disposing way of device in actual device
It is different.
In sum, implementation method described in the utility model only provides a kind of optimal implementation method, the utility model
Technology contents and technical characterstic have revealed that as above but one skilled in the art scholar is still potentially based on the utility model and is taken off
The content shown and make various replacements and modification without departing substantially from the utility model creation spirit；Therefore, protection model of the present utility model
Enclose the technology contents for being not limited to disclosed in embodiment, therefore all equivalent changes done according to shape of the present utility model, construction and principle
Change, be encompassed by protection domain of the present utility model.
Claims (8)
1. a kind of test device for testing gas low temperature absorption property, it is characterised in that：The test device includes low temperature
Device, for the gas absorption instrument tested with the characterization of adsorption between gas and test sample test and with the gas
The air inlet pipeline being input into gas for test of adsorption instrument reference cavity connection in body adsorption instrument；
The Cryo Equipment includes refrigeration machine, the sample for placing test sample being arranged on two grades of cold heads of refrigeration machine
Chamber, the radome being located at outside two grades of cold heads of refrigeration machine and sample cavity and being located at outside the radome makes refrigeration machine one-level cold
Vacuum (-tight) housing at head, two grades of cold heads of refrigeration machine and sample cavity under vacuum conditions；
The sample cavity is connected by air delivering pipeline with adsorption instrument reference cavity in the gas absorption instrument.
2. a kind of test device for testing gas low temperature absorption property according to claim 1, it is characterised in that：Institute
The temperature controller being additionally provided with refrigeration machine for adjusting sample cavity temperature is stated, the temperature controller is arranged on the radome
It is interior.
3. a kind of test device for testing gas low temperature absorption property according to claim 2, it is characterised in that：Institute
Temperature controller is stated to be arranged on two grades of cold heads of refrigeration machine.
4. a kind of test device for testing gas low temperature absorption property according to claim 1, it is characterised in that：Institute
Air inlet pipeline is stated to be provided with after the completion of the test of gas low temperature absorption property for emptying the true of test gas in test device
Empty pump.
5. a kind of test device for testing gas low temperature absorption property according to claim 1, it is characterised in that：Institute
Stating test device also includes the multicomponent gas reference cavity and the multicomponent gas that are connected with the air inlet pipeline inlet end
Sample gas reference cavity that the multicomponent gas intake line and the air inlet pipeline that reference cavity is connected are arranged in parallel and with institute
State the gas chromatograph that sample gas reference cavity is connected.
6. a kind of test device for testing gas low temperature absorption property according to claim 5, it is characterised in that：Institute
Sample gas reference cavity is stated to be arranged in parallel with the air inlet pipeline by the first bye-pass and the second bye-pass；First bye-pass
With the second valve and the 3rd valve are respectively arranged with the second bye-pass.
7. a kind of test device for testing gas low temperature absorption property according to claim 6, it is characterised in that：The
The first valve is provided with the air inlet pipeline between one bye-pass and the second bye-pass.
8. a kind of test for testing gas low temperature absorption property according to claim 1 to 7 any claim is filled
Put, it is characterised in that：The air delivering pipeline is provided with the 4th valve.
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| CN201621262738.6U CN206177929U (en) | 2016-11-21 | 2016-11-21 | A testing arrangement for testing gaseous low temperature adsorption performance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262738.6U CN206177929U (en) | 2016-11-21 | 2016-11-21 | A testing arrangement for testing gaseous low temperature adsorption performance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442895A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院理化技术研究所 | A testing arrangement for testing gaseous low temperature adsorption performance |
| CN109668924A (en) * | 2019-01-22 | 2019-04-23 | 中国工程物理研究院激光聚变研究中心 | Submerged gas liquefaction deep cooling experimental provision and its experimental method |
| CN112834668A (en) * | 2020-12-30 | 2021-05-25 | 中国原子能科学研究院 | Low-temperature control device for analyzing hydrogen isotopes by gas chromatography |
| CN114295560A (en) * | 2022-01-12 | 2022-04-08 | 中国石油大学(华东) | Quantum physical adsorption instrument |
| CN115308291A (en) * | 2022-08-09 | 2022-11-08 | 中国科学院合肥物质科学研究院 | Low-temperature board performance testing device for low-temperature pump |
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- 2016-11-21 CN CN201621262738.6U patent/CN206177929U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106442895A (en) * | 2016-11-21 | 2017-02-22 | 中国科学院理化技术研究所 | A testing arrangement for testing gaseous low temperature adsorption performance |
| CN106442895B (en) * | 2016-11-21 | 2018-08-28 | 中国科学院理化技术研究所 | A testing arrangement for testing gaseous low temperature adsorption performance |
| CN109668924A (en) * | 2019-01-22 | 2019-04-23 | 中国工程物理研究院激光聚变研究中心 | Submerged gas liquefaction deep cooling experimental provision and its experimental method |
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| CN112834668B (en) * | 2020-12-30 | 2022-08-19 | 中国原子能科学研究院 | Low-temperature control device for analyzing hydrogen isotopes by gas chromatography |
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| CN115308291A (en) * | 2022-08-09 | 2022-11-08 | 中国科学院合肥物质科学研究院 | Low-temperature board performance testing device for low-temperature pump |
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