AU2021106169A4 - Device for separating krypton from xenon in rock sample - Google Patents
Device for separating krypton from xenon in rock sample Download PDFInfo
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- AU2021106169A4 AU2021106169A4 AU2021106169A AU2021106169A AU2021106169A4 AU 2021106169 A4 AU2021106169 A4 AU 2021106169A4 AU 2021106169 A AU2021106169 A AU 2021106169A AU 2021106169 A AU2021106169 A AU 2021106169A AU 2021106169 A4 AU2021106169 A4 AU 2021106169A4
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- Prior art keywords
- liquid nitrogen
- cylinder
- cold finger
- cavity
- base plate
- Prior art date
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- 229910052743 krypton Inorganic materials 0.000 title claims abstract description 27
- 229910052724 xenon Inorganic materials 0.000 title claims abstract description 27
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 title claims abstract description 21
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000011435 rock Substances 0.000 title claims abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 288
- 239000007788 liquid Substances 0.000 claims abstract description 144
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 144
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 32
- 238000002474 experimental method Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 16
- 238000007789 sealing Methods 0.000 claims description 9
- 229910052786 argon Inorganic materials 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004949 mass spectrometry Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052754 neon Inorganic materials 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000004868 gas analysis Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000001819 mass spectrum Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B23/00—Noble gases; Compounds thereof
- C01B23/001—Purification or separation processes of noble gases
- C01B23/0036—Physical processing only
- C01B23/0052—Physical processing only by adsorption in solids
- C01B23/0078—Temperature swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0454—Controlling adsorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Biomedical Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Molecular Biology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
OF THE DISCLOSURE
The present disclosure discloses a device for separating krypton and xenon from a
rock sample, comprising a cylinder and an upper cover, wherein the cylinder internally
comprises a liquid nitrogen layer and a heat conducting agent layer, the liquid nitrogen
layer is sleeved outside the heat conducting agent layer, a cavity between the outer wall
of the liquid nitrogen layer and the cylinder can be vacuumized, the inner cavity of the
liquid nitrogen layer can accommodate liquid nitrogen, the inner cavity of the heat
conducting agent layer is provided with a cold finger, a heat conducting agent can be
accommodated between the inner wall of the heat conducting agent layer and the cold
finger, the cold finger is connected with a heating element, the cold finger is connected
with a temperature measuring element, the cold finger is also connected with an
experiment cavity, the inner cavity of the cold finger is communicated with the
experiment cavity, and the experiment cavity can be communicated with a mixed gas
outside.
ABSTRACT DRAWING - FIG. 1
17989752_1 (GHMatters) P117089.AU
-1/2
100
14 4 5 12 13 15 10 16 17
9 1 / 3 _ 7
FIG 1
FIG 2
17989738_1 (GHMaters) P117089.AU
Description
-1/2
100
14 4 5 12 13 15 10 16 17
9 1 / 3 _7
FIG 1
FIG 2
17989738_1 (GHMaters) P117089.AU
[01] The present disclosure relates to the technical field of geological sample analysis, particularly to a device for separating krypton and xenon from a rock sample.
[02] At present, methods for testing He, Ne and Ar isotope compositions in a geological sample in China are relatively mature. In recent years, rare gas analysis technologies have been significantly developed in the aspects of precision and accuracy as a batch of high-grade, precise and advanced rare gas mass spectrometers are introduced, and analysis on He, Ne and Ar isotopes using the above technologies has been comparable with the international advanced level. However, a vast majority of domestic laboratories do not conduct Kr and Xe tests, and the level of the only test is far behind that of international advanced laboratories.
[03] All the researches on rare gases are based on a mass spectrum measurement technology which is low in background, high in purity, high in sensitivity and high in resolution. However, although there is a great difference or even several order of magnitudes of differences in different rare gas contents in the same sample, and these differences can affect the measurement on contents. Therefore, separation and purification of rare gases are extremely important.
[04] Commercial devices used in the prior art need to use refrigerating agents such as high-pure helium. Cooling conducted through volume compression needs to consume a lot of time. Furthermore, there is a part of residual Ar, so temperature release curves of Ar, Kr and Xe are overlapped, and there are problems that the generated matrix effect is difficult to remove, the background of the experiment is high, etc.
[05] Therefore, it is urgent for those skilled in the art to solve the problems of how to reduce experiment time, decrease the background and improve the purity of rare gases in the pretreatment process of mass spectrometry of inert rare gas samples.
[06] The objective of the present disclosure is to provide a device for separating krypton and xenon from a rock sample in order to solve the problems existing in the prior art, thereby shortening experiment time and improving the purity of rare gases in a sample.
[07] In order to realize the above objective, the present disclosure provides the following solution: the present disclosure provides a device for separating krypton and xenon from a rock sample, comprising a cylinder and an upper cover, wherein the cylinder is detachably connected with the upper cover, a sealing element is arranged between the cylinder and the upper cover, the cylinder internally comprises a liquid nitrogen layer and a heat conducting agent layer, the liquid nitrogen layer is sleeved outside the heat conducting agent layer, a cavity between the outer wall of the liquid nitrogen layer and the cylinder can be vacuumized, the inner cavity of the liquid nitrogen layer can accommodate liquid nitrogen, the inner cavity of the heat conducting
17989752_1 (GHMatters) P117089.AU agent layer is provided with a cold finger, a heat conducting agent can be accommodated between the inner wall of the heat conducting agent layer and the cold finger, the cold finger is connected with a heating element, the heating element can heat the cold finger, the cold finger is connected with a temperature measuring element, the temperature measuring element can monitor the temperature inside the cold finger, the cold finger is also connected with an experiment cavity, the inner cavity of the cold finger is communicated with the experiment cavity, and the experiment cavity can be communicated with a mixed gas outside.
[08] Preferably, the cylinder comprises a base plate, a shell and a vacuum flange, the shell is of a hollow structure, the base plate is connected with one end of the shell, the vacuum flange is connected with the other end of the shell, the vacuum flange is detachably connected with the upper cover, and the sealing element is arranged between the vacuum flange and the upper cover; the liquid nitrogen layer is located inside the cavity surrounded by the base plate, the shell and the vacuum flange, the upper cover is connected with a vacuum valve, and the cavity surrounded by the cylinder and the upper cover is vacuumized by utilizing the vacuum valve.
[09] Preferably, the liquid nitrogen layer comprises a liquid nitrogen outer cylinder, a liquid nitrogen inner cylinder, a liquid nitrogen lower base plate and a liquid nitrogen upper base plate, the liquid nitrogen outer cylinder is sleeved outside the liquid nitrogen inner cylinder and a gap is present between the liquid nitrogen outer cylinder and the liquid nitrogen inner cylinder, the liquid nitrogen upper base plate and the liquid nitrogen lower base plate are respectively arranged at the two ends of the liquid nitrogen inner cylinder and the liquid nitrogen outer cylinder, the cavity surrounded by the liquid nitrogen outer cylinder, the liquid nitrogen inner cylinder, the liquid nitrogen upper base plate and the liquid nitrogen lower base plate can accommodate liquid nitrogen, and the liquid nitrogen inner cylinder is sleeved outside the cold finger.
[10] Preferably, the liquid nitrogen upper base plate is connected with a liquid nitrogen swing pipe, the liquid nitrogen swing pipe is communicated with the cavity between the liquid nitrogen outer cylinder and the liquid nitrogen inner cylinder, the upper cover is connected with a liquid nitrogen outer pipe, the liquid nitrogen outer pipe is sleeved outside the liquid nitrogen swing pipe, a gap is present between the liquid nitrogen outer pipe and the liquid nitrogen swing pipe, and the liquid nitrogen outer pipe is communicated with the cavity surrounded by the shell and the base plate.
[11] Preferably, the upper cover is connected with a pipe joint, one end of the pipe joint far away from the upper cover is connected with a core seat, the pipe joint can be connected with a controller utilizing the core seat, and the heating element and the temperature measuring element are both connected with the controller.
[12] Compared with the prior art, the present disclosure has the following technical effect:
[13] The device for separating krypton and xenon from the rock sample comprises the cylinder and the upper cover, the cylinder is detachably connected with the upper cover, the sealing element is arranged between the cylinder and the upper cover, the cylinder internally comprises the liquid nitrogen layer and the heat conducting agent layer, the liquid nitrogen layer is sleeved outside the heat conducting agent layer, the
2 17989752_1 (GHMatters) P117089.AU cavity between the outer wall of the liquid nitrogen layer and the cylinder can be vacuumized, the inner cavity of the liquid nitrogen layer can accommodate liquid nitrogen, the inner cavity of the heat conducting agent layer is provided with the cold finger, the heat conducting agent can be accommodated between the inner wall of the heat conducting agent layer and the cold finger, the cold finger is connected with the heating element, the heating element can heat the cold finger, the cold finger is connected with the temperature measuring element, the temperature measuring element can monitor the temperature inside the cold finger, the cold finger is also connected with the experiment cavity, the inner cavity of the cold finger is communicated with the experiment cavity, the experiment cavity can be communicated with the mixed gas outside. The device for separating krypton and xenon from the rock sample is applicable to separation of a Ar, Kr and Xe mixed gas. During the separation working of rare gases, a low-temperature cold trap device equipped with activated carbon is used to adsorb a majority of Ar, then the device of the present disclosure is used to separate residual Ar as well as Kr and Xe, and finally a commercial cold trap is still used to adsorb and separate Ne.
[14] FIG. 1 is a sectional view of a device for separating krypton and xenon from a rock sample according to the present disclosure;
[15] FIG.2 is a partial structural diagram of a device for separating krypton and xenon from a rock sample according to the present disclosure;
[16] FIG.3 is a sectional view of FIG.2 in a C-C direction;
[17] Reference signs in the drawings, 100, device for separating krypton and xenon from a rock sample; 1, cylinder; 2, upper cover; 3, sealing element; 4, liquid nitrogen layer; 5, heat conducting agent layer; 6, cold finger; 7, experiment cavity; 8, base plate; 9, shell; 10, vacuum flange; 11, vacuum valve; 12, liquid nitrogen outer cylinder; 13, liquid nitrogen inner cylinder; 14, liquid nitrogen lower base plate; 15, liquid nitrogen upper base plate; 16, liquid nitrogen swing pipe; 17, liquid nitrogen outer pipe; 18, swing pipe supplemented core; 19, pipe joint; 20, core seat; 21, middle pipe
[18] For making the above objectives, features and advantages of the present disclosure more clear and understood, the present disclosure will be described in detail in combination with drawings and specific embodiments.
[19] Referring to FIGs.1-3, FIG.1 is a sectional view of a device for separating krypton and xenon from a rock sample according to an embodiment of the present disclosure, FIG.2 is a partial structural diagram of a device for separating krypton and xenon from a rock sample according to an embodiment of the present disclosure, and FIG.3 is a sectional view of FIG.2 in a C-C direction.
[20] This embodiment provides a device 100 for separating krypton and xenon from a rock sample, comprising a cylinder 1 and an upper cover 2, the cylinder 1 is detachably connected with the upper cover 2, a sealing element 3 is arranged between the cylinder 1 and the upper cover 2, the cylinder 1 internally comprises a liquid
3 17989752_1 (GHMatters) P117089.AU nitrogen layer 4 and a heat conducting agent layer 5, the liquid nitrogen layer 4 is sleeved outside the heat conducting agent layer 5, a cavity between the outer wall of the liquid nitrogen layer 4 and the cylinder 1 can be vacuumized, the inner cavity of the liquid nitrogen layer 4 can accommodate liquid nitrogen, the inner cavity of the heat conducting agent layer 5 is provided with a cold finger 6, a heat conducting agent can be accommodated between the inner wall of the heat conducting agent layer 5 and the cold finger 6, the cold finger 6 is connected with a heating element, the heating element can heat the cold finger 6, the coldfinger 6 is connected with a temperature measuring element, the temperature measuring element can monitor the temperature inside the cold finger 6, the cold finger 6 is also connected with an experiment cavity 7, the inner cavity of the cold finger 6 is communicated with the experiment cavity 7, and the experiment cavity 7 can be communicated with a mixed gas outside.
[21] When the device 100 for separating krypton and xenon from a rock sample in this embodiment is used, firstly, the cavity between the outer wall of the liquid nitrogen layer 4 and the cylinder 1 is vacuumized. The device in this embodiment is connected with a sample pretreatment system, liquid nitrogen is added into the liquid nitrogen layer for cooling, a heat conducting agent is added into the heat conducting agent layer , the mixed gas is introduced into the cold finger 6 through the experiment cavity 7, the mixed gas is condensed and adsorbed in the cold finger 6 to completely adsorb the mixed gas of Kr, Xe and a small amount of residual Ar, then the heating element works, the temperature measuring element can monitor the temperature inside the cold finger 6, the temperature is firstly set between 80K and lOOK to ensure that Ar is completely released under the condition that Kr and Xe are still absorbed in the cold finger; subsequently, the temperature is set between lOOK and 135K, so that Xe in the cold finger 6 is not affected, and Kr is released, and finally, the temperature is set as being more than 135K, Xe is released. After the experiment is ended, the heating element of the cold finger 6 works to reach the purpose of rapidly removing gases. The device 100 for separating krypton and xenon from a rock sample in this embodiment is used for a pretreatment process of mass spectrometry of inert gas samples, which is simple and convenient to operate, and capable of efficiently separating rare gases in high quality, shortening the experiment time, reducing the background and meanwhile improving the purity of the rare gases.
[22] Where, the cylinder 1 comprises a base plate 8, a shell 9 and a vacuum flange , the shell 9 is of a hollow structure, the base plate 8 is connected with one end of the shell 9, the vacuum flange 10 is connected with the other end of the shell 9, the vacuum flange 10 is detachably connected with the upper cover 2 so as to facilitate the disassembly and assembly of other parts in the cylinder 1, and the sealing element 3 is arranged between the vacuum flange 10 and the upper cover 2 so as to avoid leakage and ensure the vacuum degree in the cylinder 1 that is vacuumized; the liquid nitrogen layer 4 is located inside the cavity surrounded by the base plate 8, the shell 9 and the vacuum flange 10, the upper cover 2 is connected with the vacuum valve 11, the cavity surrounded by the cylinder 1 and the upper cover 2 is vacuumized utilizing the vacuum valve 11, and the inner cavity of the cylinder 1 is vacuumized utilizing the vacuum valve 11 to reduce the influence of outer circumstance temperature on the cold finger 6.
4 17989752_1 (GHMatters) P117089.AU
[23] Specifically, the liquid nitrogen layer 4 comprises a liquid nitrogen outer cylinder 12, a liquid nitrogen inner cylinder 13, a liquid nitrogen lower base plate 14 and a liquid nitrogen upper base plate 15, the liquid nitrogen outer cylinder 12 is sleeved outside the liquid nitrogen inner cylinder 13 and a gap is present between the liquid nitrogen outer cylinder 12 and the liquid nitrogen inner cylinder 13, the liquid nitrogen upper base plate 15 and the liquid nitrogen lower base plate 14 are respectively arranged at the two ends of the liquid nitrogen inner cylinder 13 and the liquid nitrogen outer cylinder 12, the cavity surrounded by the liquid nitrogen outer cylinder 12, the liquid nitrogen inner cylinder 13, the liquid nitrogen upper base plate 15 and the liquid nitrogen lower base plate 14 can accommodate liquid nitrogen, the liquid nitrogen inner cylinder 13 is sleeved outside the cold finger 16. When the device of this embodiment is used, liquid nitrogen is introduced into the liquid nitrogen layer 4 for precooling until the temperature is reduced to the liquid nitrogen temperature.
[24] In this embodiment, since the liquid nitrogen inner cylinder 13, the liquid nitrogen outer cylinder 12 and the liquid nitrogen upper base plate 15 are connected with the liquid nitrogen swing pipe 16, the liquid nitrogen swing pipe 16 is communicated with the cavity between the liquid nitrogen outer cylinder 12 and the liquid nitrogen inner cylinder 13, liquid nitrogen can be injected into the liquid nitrogen layer by utilizing the liquid nitrogen swing pipe 16, the upper cover 12 is connected with the liquid nitrogen outer pipe 17, the liquid nitrogen outer pipe 17 is sleeved outside the liquid nitrogen swing pipe 16, a gap is present between the liquid nitrogen outer pipe 17 and the liquid nitrogen swing pipe 16, and the liquid nitrogen outer pipe 17 is communicated with the cavity surrounded by the shell 9 and the base plate 8.
[25] To support the liquid nitrogen swing pipe 16, a swing pipe supplemented core 18 is arranged between the liquid nitrogen swing pipe 16 and the liquid nitrogen outer pipe 17, the swing pipe supplemented core 18 can fix the relative position between the liquid nitrogen swing pipe 16 and the liquid nitrogen outer pipe 17, so as to improve the stability and reliability of the device.
[26] More specifically, the upper cover 2 is connected with the pipe joint 19, one end of the pipe joint 19 far away from the upper cover 2 is connected with the core seat 20, the pipe joint 19 can be connected with the controller using the core seat 20, the heating element and the temperature measuring element are both connected with the controller, the controller can control the heating temperature of the heating element on the cold finger 6 so as to facilitate the separation of rare gases.
[27] It is also noted that the inner cavity of the cold finger 6 is located in the inner cavity of the heat conducting agent layer 5, the other end of the cold finger 6 extends from the liquid nitrogen layer 4, the temperature measuring element is located at one end of the cold finger 6 extending out from the liquid nitrogen layer 4, the temperature measuring element is located inside the cylinder 1 so as to avoid that the liquid nitrogen and heat conducting agent affect the temperature measuring element and improve the monitoring accuracy of the temperature in the cold finger 6.
[28] Further, the upper cover 2 is connected with the middle pipe 21, the middle pipe 21 is communicated with the heat conducting agent layer 5, and one end of the experiment cavity 7 far away from the cold finger 6 extends out from the middle pipe 21,
5 17989752_1 (GHMatters) P117089.AU so as to facilitate connection with the sample pretreatment system.
[29] Besides, the vacuum flange 10 is in threaded connection with the upper cover 2, which is convenient to disassemble and assemble; the sealing element 3 is pressed so as to avoid leakage.
[301 It is to be understood that, if any prior art publication is referred to herein, such reference does not constitute an admission that the publication forms a part of the common general knowledge in the art, in Australia or any other country.
[311 In the claims which follow and in the preceding description of the invention, except where the context requires otherwise due to express language or necessary implication, the word "comprise" or variations such as "comprises" or "comprising" is used in an inclusive sense, i.e. to specify the presence of the stated features but not to preclude the presence or addition of further features in various embodiments of the invention.
6 17989752_1 (GHMatters) P117089.AU
Claims (5)
1. A device for separating krypton and xenon from a rock sample, comprising a cylinder and an upper cover, wherein the cylinder is detachably connected with the upper cover, a sealing element is arranged between the cylinder and the upper cover, the cylinder internally comprises a liquid nitrogen layer and a heat conducting agent layer, the liquid nitrogen layer is sleeved outside the heat conducting agent layer, a cavity between the outer wall of the liquid nitrogen layer and the cylinder can be vacuumized, the inner cavity of the liquid nitrogen layer can accommodate liquid nitrogen, the inner cavity of the heat conducting agent layer is provided with a cold finger, a heat conducting agent can be accommodated between the inner wall of the heat conducting agent layer and the cold finger, the cold finger is connected with a heating element, the heating element can heat the cold finger, the cold finger is connected with a temperature measuring element, the temperature measuring element can monitor the temperature inside the cold finger, the cold finger is also connected with an experiment cavity, the inner cavity of the cold finger is communicated with the experiment cavity, and the experiment cavity can be communicated with a mixed gas outside.
2. The device for separating krypton and xenon from a rock sample according to claim 1, wherein the cylinder comprises a base plate, a shell and a vacuum flange, the shell is of a hollow structure, the base plate is connected with one end of the shell, the vacuum flange is connected with the other end of the shell, the vacuum flange is detachably connected with the upper cover, and the sealing element is arranged between the vacuum flange and the upper cover; the liquid nitrogen layer is located inside the cavity surrounded by the base plate, the shell and the vacuum flange, the upper cover is connected with a vacuum valve, and the cavity surrounded by the cylinder and the upper cover is vacuumized by utilizing the vacuum valve.
3. The device for separating krypton and xenon from a rock sample according to claim 2, wherein the liquid nitrogen layer comprises a liquid nitrogen outer cylinder, a liquid nitrogen inner cylinder, a liquid nitrogen lower base plate and a liquid nitrogen upper base plate, the liquid nitrogen outer cylinder is sleeved outside the liquid nitrogen inner cylinder and a gap is present between the liquid nitrogen outer cylinder and the liquid nitrogen inner cylinder, the liquid nitrogen upper base plate and the liquid nitrogen lower base plate are respectively arranged at the two ends of the liquid nitrogen inner cylinder and the liquid nitrogen outer cylinder, the cavity surrounded by the liquid nitrogen outer cylinder, the liquid nitrogen inner cylinder, the liquid nitrogen upper base plate and the liquid nitrogen lower base plate can accommodate liquid nitrogen, and the liquid nitrogen inner cylinder is sleeved outside the cold finger.
4. The device for separating krypton and xenon from a rock sample according to claim 3, wherein the liquid nitrogen upper base plate is connected with a liquid nitrogen swing pipe, the liquid nitrogen swing pipe is communicated with the cavity between the liquid nitrogen outer cylinder and the liquid nitrogen inner cylinder, the upper cover is
7 17989752_1 (GHMatters) P117089.AU connected with a liquid nitrogen outer pipe, the liquid nitrogen outer pipe is sleeved outside the liquid nitrogen swing pipe, a gap is present between the liquid nitrogen outer pipe and the liquid nitrogen swing pipe, and the liquid nitrogen outer pipe is communicated with the cavity surrounded by the shell and the base plate.
5. The device for separating krypton and xenon from a rock sample according to claim 1, wherein the upper cover is connected with a pipe joint, one end of the pipe joint far away from the upper cover is connected with a core seat, the pipe joint can be connected with a controller utilizing the core seat, and the heating element and the temperature measuring element are both connected with the controller.
8 17989752_1(GHMatters) P117089.AU
－1/2－ Aug 2021 2021106169
FIG. 1
FIG. 2
17989738_1 (GHMatters) P117089.AU
－2/2－ Aug 2021 2021106169
FIG. 3
17989738_1 (GHMatters) P117089.AU
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021106169A AU2021106169A4 (en) | 2021-08-20 | 2021-08-20 | Device for separating krypton from xenon in rock sample |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AU2021106169A AU2021106169A4 (en) | 2021-08-20 | 2021-08-20 | Device for separating krypton from xenon in rock sample |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2021106169A4 true AU2021106169A4 (en) | 2021-10-28 |
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ID=78207535
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2021106169A Ceased AU2021106169A4 (en) | 2021-08-20 | 2021-08-20 | Device for separating krypton from xenon in rock sample |
Country Status (1)
| Country | Link |
|---|---|
| AU (1) | AU2021106169A4 (en) |
-
2021
- 2021-08-20 AU AU2021106169A patent/AU2021106169A4/en not_active Ceased
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