CN201728039U - Separating device with enrichment of gaseous xenon - Google Patents
Separating device with enrichment of gaseous xenon Download PDFInfo
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- CN201728039U CN201728039U CN201020221188XU CN201020221188U CN201728039U CN 201728039 U CN201728039 U CN 201728039U CN 201020221188X U CN201020221188X U CN 201020221188XU CN 201020221188 U CN201020221188 U CN 201020221188U CN 201728039 U CN201728039 U CN 201728039U
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Abstract
The utility model provides a separating device with enrichment of gaseous xenon. A nitrogen gas cylinder is connected with a decompression valve and a four-way joint, and the four-way joint divides a pipe into three paths. One path is connected with a mass flow controller, a valve and a four-way joint, the four-way joint is connected with a primary impurity removal post and a primary attaching post, a pressure sensor is mounted at an outlet of the primary attaching post connected with a secondary impurity removal post, the rest ports of the four-way joint is connected with a valve, a tee joint, a four-way joint and a vacuum pump. A second path is provided with a mass flow meter, valves and a four-way joint, one valve is connected with an outlet of the secondary impurity removal post, the other valve is connected with an inlet of a secondary attaching post via a pressure sensor, and valves are mounted on the rest ports. A third path of the pipe is connected with a tee joint of a pressure sensor at an inlet of a triple attaching post through a reducing joint, a rotor flow meter and a valve, and another port of the tee joint is connected with a valve. An outlet of the secondary attaching post is communicated with a tee joint connected with the vacuum pump via a four-way joint and a valve, one joint of the four-way joint is provided with a valve, the other port is connected with an inlet of a triple impurity removal post via a reducing joint, an outlet of the triple attaching post is connected with a four-way joint of the vacuum pump, and the pipe is connected with two four-way joints, a valve, a chromatograph quantitative pipe, a reducing joint, a syringe and a measurement source box.
Description
Technical field
The utility model relates to the device of enrichment xenon, is used for Chemical Manufacture, environmental monitoring and research evaluation, and the device separating effect of the enrichment xenon of design is splendid, has improved recovery ratio.
Background technology
Literature search information: the separator of inert gas xenon in the air mainly is to adopt cryogenic separation, as obtain the method for krypton and/or xenon by the cryogenic separation of air, is fit to extensive and industrialized production.The invention in Suichang County, Zhejiang Xu Xian heptan, number be the patent of 200810062397.1 " a kind of absorbent charcoal adsorbers ", adopt negative ion generating device to produce anion, in time will adsorb saturated active carbon by anion and carry out the oxidized activating disintegrating and regeneration, the absorption that active carbon can be continued forever.Bright invention is apt in Shen, Xuhui District, Shanghai, number be the patent of 86104137 " moving bed activated carbon absorption-desorption devices ", adopt continuously, segmentation, multistage inclination moving bed structure, moving bed is turned to absorption, the regeneration cycle of in the absorption-desorption tower of integral body, finishing active carbon with classification with the class sealing groove.The device of the utility model design, be used for the development of large-scale production or instrument and equipment, solved xenon enrichment in the air and other impurity is separated the technical barrier of removing, the design of this device simultaneously also can be used in the design of the relevant related system that uses adsorption separation technology.
Summary of the invention
The purpose of this utility model is: because radioxenon content is low in the environment, can't directly measure, the separator of the enrichment xenon that provides, can directly measure the volumetric concentration of xenon, reach the purpose of the radioactive xenon isotope activity concentration in the monitoring of environmental, this device is reasonable in design, simple to operation.
The purpose of this utility model is achieved in that a kind of separator of enriched gas xenon, comprise the nitrogen cylinder 1 that connects by pipeline, pressure-reducing valve 2, the removal of impurities post, adsorption column, flowmeter, pressure sensor, measure source capsule 17, chromatogram quantification pipe 14 and vavuum pump 12, it is characterized in that: on the connecting pipe of nitrogen cylinder 1 outlet, pressure-reducing valve 2 and four-way connection 4 are installed successively, the pipeline that four-way connection 4 connects is divided into three the tunnel, wherein connecting mass flow controller 3 successively on the first via pipeline, valve and four-way connection 6, the two-way pipeline that four-way connection 6 is drawn is connecting one-level removal of impurities post 30 and one-level adsorption column 29 respectively, the pressure sensor 28 that the outlet of one-level adsorption column 29 is installed by pipeline is connecting secondary removal of impurities post 27, pass through valve, three-way connection 8 successively on the pipeline that these four-way connection 6 remaining interfaces connect, four-way connection 11 is connected with vavuum pump 12; Mass flowmenter 7, valve and four-way connection 8 are installed on the second road pipeline successively, the road pipeline that this four-way connection 8 is told is connected by the outlet of valve with secondary removal of impurities post 27, another road pipeline of telling is connected with the import of secondary absorption post 25 by pressure sensor 26, on these four-way connection 8 remaining interfaces valve is installed; The Third Road pipeline is by reducer union 5, spinner flowmeter 10, and the three-way connection 22 that the pressure sensor of installing in valve and 20 imports of third level adsorption column 21 is connected is connected, and is connecting valve on another interface of three-way connection 22; Four-way connection 31, valve that the outlet of secondary absorption post 28 connects successively by pipeline and the three-way connection 9 that is connected on vavuum pump 12 pipelines are communicated with, two interfaces of four-way connection 31, one of them interface is installed with valve, another interface is connecting the import of three grades of removal of impurities posts 23 by reducer union 24, the outlet of three grades of adsorption columns 20 is communicated with the four-way connection 11 that is connected vavuum pump 12 by pipeline, on this pipeline, connecting two four-way connections 18,17 from bottom to top successively, valve, chromatogram quantification pipe 14, reducer union 13; Two of first four-way connection 18 interfaces on this pipeline, outlet with three grades of removal of impurities posts 23 is connected the connecting pipe of one of them interface with valve by three-way connection 19, connecting valve on another interface, syringe 15 is being installed respectively on two interfaces of second four-way connection 16 and measures source capsule 17.
The technique effect that the utility model produces adapts to small-scale production or instrument and equipment development, has solved to separate the technical problem of removing with xenon enrichment in the air and with other impurity.The enrichment factor of this device is greater than 50000, and the decontamination factor of radon is greater than 10
5, can be with the about 3m of efficient sampling volume
3Airborne xenon (concentration 0.087ppm), concentrated and purified is volume 50-60ml (xenon concentration is greater than 4000ppm).
The utility model uses the 5A molecular sieve to remove impurity H
2O, CO
2, adopt active carbon to remove radon, adopt the method for normal temperature absorbing high temp desorb, the xenon enriching and purifying with in the gaseous sample obtains the small size enriched sample.
This device utilizes the difference of dynamic adsorption coefficient, measures after xenon is concentrated.The adsorption-edulcoration temperature of secondary, three grades of adsorption columns and removal of impurities post remains on 38-45 ℃; 2-3 hour sample time; Face of land sample flow is 1.5-1.7m
3/ hour, the atmospheric sample flow is 3.0-3.5m
3/ hour, desorb vacuum is 20-22kPa.
The one-level removal of impurities column regeneration temperature of this device is 350-380 ℃, and the regeneration temperature of other adsorption column and removal of impurities post is 230-270 ℃; The elution flow of one-level adsorption column is 1-2dm
3/ minute, elution volume is 50-60dm
3The elution flow of secondary absorption post is 135-160cm
3/ minute, elution volume is 2.5-3.5dm
3
The desorption volume of three grades of adsorption columns of this device is 55-65cm
3, change over to and measure in the source capsule, carry out radioactivity survey; The 3.5-4.5 hour purifying time of system, 9-12 hour radioactivity survey time.
The utility model design has one's own knack with the device of design, the adsorption and desorption principle of radon xenon and inert gas is handled very skillfully, reached the effect that expection separates, the data that particularly rest on a scientific basis are constantly adjusted and design adsorbent bed and adsorbent, strong creativity consciousness is arranged and put into practice power, show technological progress.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing is the gas circuit structure schematic diagram of the utility model device;
Among the figure, nitrogen cylinder-1, pressure-reducing valve-2, mass flow controller-3, four-way connection-4, reducer union-5, four-way connection-6, mass flowmenter-7, four-way connection-8, three-way connection-9, spinner flowmeter-10, four-way connection-11, vavuum pump-12, reducer union-13, chromatogram quantification pipe-14, Inspirator-1 5, four-way connection-16, measure source capsule-17, four-way connection-18, three-way connection-19, three grades of adsorption columns-20, pressure sensor-21, three-way connection-22, three grades of removal of impurities posts-23, reducer union-24, secondary absorption post-25, pressure sensor-26, secondary removal of impurities post-27, pressure sensor-28, one-level adsorption column-29, one-level removal of impurities post-30, four-way connection-31.
The specific embodiment
Embodiment
This separator comprises the nitrogen cylinder 1 that connects by pipeline, pressure-reducing valve 2, the removal of impurities post, adsorption column, flowmeter, pressure sensor, measure source capsule 17, chromatogram quantification pipe 14 and vavuum pump 12, it is characterized in that: on the connecting pipe of nitrogen cylinder 1 outlet, pressure-reducing valve 2 and four-way connection 4 are installed successively, the pipeline that four-way connection 4 connects is divided into three the tunnel, wherein connecting mass flow controller 3 successively on the first via pipeline, valve and four-way connection 6, the two-way pipeline that four-way connection 6 is drawn is connecting one-level removal of impurities post 30 and one-level adsorption column 29 respectively, the pressure sensor 28 that the outlet of one-level adsorption column 29 is installed by pipeline is connecting secondary removal of impurities post 27, pass through valve, three-way connection 8 successively on the pipeline that these four-way connection 6 remaining interfaces connect, four-way connection 11 is connected with vavuum pump 12; Mass flowmenter 7, valve and four-way connection 8 are installed on the second road pipeline successively, the road pipeline that this four-way connection 8 is told is connected by the outlet of valve with secondary removal of impurities post 27, another road pipeline of telling is connected with the import of secondary absorption post 25 by pressure sensor 26, on these four-way connection 8 remaining interfaces valve is installed; The Third Road pipeline is by reducer union 5, spinner flowmeter 10, and the three-way connection 22 that the pressure sensor of installing in valve and 20 imports of third level adsorption column 21 is connected is connected, and is connecting valve on another interface of three-way connection 22; Four-way connection 31, valve that the outlet of secondary absorption post 28 connects successively by pipeline and the three-way connection 9 that is connected on vavuum pump 12 pipelines are communicated with, two interfaces of four-way connection 31, one of them interface is installed with valve, another interface is connecting the import of three grades of removal of impurities posts 23 by reducer union 24, the outlet of three grades of adsorption columns 20 is communicated with the four-way connection 11 that is connected vavuum pump 12 by pipeline, on this pipeline, connecting two four-way connections 18,17 from bottom to top successively, valve, chromatogram quantification pipe 14, reducer union 13; Two of first four-way connection 18 interfaces on this pipeline, outlet with three grades of removal of impurities posts 23 is connected the connecting pipe of one of them interface with valve by three-way connection 19, connecting valve on another interface, syringe 15 is being installed respectively on two interfaces of second four-way connection 16 and measures source capsule 17.
Above-mentioned separator is filled 12 purpose active carbons in the one-level adsorption column 29, measure the g into 3.6K; Fill 25 purpose active carbons in the secondary absorption post 25, measure and be 120g; Three grades of adsorption columns 20 are filled 25 purpose active carbons, and its loading amount is 4.5g.
Above-mentioned separator is 6m at sampling amount
3The time, under 8-12 ℃ the condition, fill 10 purpose 5A molecular sieves in the one-level removal of impurities post 30, measure and be 1.5kg; Fill 40 purpose 5A molecular sieves in the secondary removal of impurities post 27, measure and be 70g and 25 purpose active carbons, measure and be 25g; In three grades of removal of impurities posts 23, fill 40 purpose 5A molecular sieves, measure and be 2.4g and 25 purpose active carbons, measure and be 1.7g.
The valve of above-mentioned separator is made of ball valve.
The handling characteristics of the utility model device:
The replacing of adsorbent:
Before changing filler, active carbon calcination 2 hours in 200 ℃ of luxuriant not stoves is cooled to room temperature, the dress post of weighing afterwards in desiccator; The 5A molecular sieve is put into desiccator equally and is cooled to room temperature 500 ℃ of following calcinations 2 hours, the dress post of weighing.
The activation of adsorption column and regeneration:
Behind the new clothes adsorption column, or install the withdraw from service time, will activate and regenerate when reusing above 10 days.Method: (1) opens vavuum pump, and valve-off V-15 opens valve V-2, V-1, V-4, V-7, V-9, V-10, V-17 and V-16 again; (2) one-level removal of impurities post is under 350 ℃, and other adsorption column is under 260 ℃, and heating vacuumized 2 minutes continuously; (3) close all valves, open V-15, close vavuum pump, close the heater of each cylinder, make cylinder be cooled to room temperature, instrument is in holding state.
Mass flowmenter is regulated:
The carrier gas flux integrating instrument of A mass flowmenter has the flow rate voltage control module, can regulate flow by flow integrator; The B mass flowmenter carries out manual adjustments by the handle on the table body.
The A mass flowmenter is regulated, and opens valve V-3, V-4, V-8, uses nitrogen to do carrier gas, and the magnitude of voltage of regulating flow integrator is 0.800V, and the flow value of measuring at the V-8 place with soap-foam flowmeter is 1dm
3/ minute; If use helium as carrier gas, the magnitude of voltage of regulating flow integrator is 0.500V, and the flow value of measuring at the V-8 place with soap-foam flowmeter is 1dm
3/ minute.
The B mass flowmenter is regulated, and opens V-6, V-9 and V-13, the knob of manual adjustments B mass flowmenter, and the flow value of measuring at the V-13 place with soap-foam flowmeter is 190cm
3/ minute, it is constant to fix this adjusting position.
Sample is gathered:
The sample separation of this device need be carried out preliminary treatment, and step is: in the sampling position, air compressor machine, removal of impurities post and adsorption column etc. are installed, the outlet of air compressor machine and the inlet of surge tank couple together, and close the buffering ball valve, press the flow integrator reset key; Power up the operation air compressor machine then, gaseous sample flows through air cleaner, air compressor machine, surge tank, aqueous phase separation device, mass flowmenter, removal of impurities post and adsorption column successively; Its this removal of impurities post and adsorption column can utilize the one-level removal of impurities post and the one-level adsorption column of gas path device, re-assembly after the dismounting and can use.
Claims (4)
1. the separator of an enriched gas xenon, comprise the nitrogen cylinder (1) that connects by pipeline, pressure-reducing valve (2), the removal of impurities post, adsorption column, flowmeter, pressure sensor, measure source capsule (17), chromatogram quantification pipe (14) and vavuum pump (12), it is characterized in that: on the connecting pipe of nitrogen cylinder (1) outlet, pressure-reducing valve (2) and four-way connection (4) are installed successively, the pipeline that four-way connection (4) connects is divided into three the tunnel, wherein connecting mass flow controller (3) on the first via pipeline successively, valve and four-way connection (6), the two-way pipeline that four-way connection (6) is drawn is connecting one-level removal of impurities post (30) and one-level adsorption column (29) respectively, the pressure sensor (28) that the outlet of one-level adsorption column (29) is installed by pipeline is connecting secondary removal of impurities post 27, pass through valve, three-way connection (8) on the pipeline that the remaining interface of this four-way connection (6) connects successively, (110 are connected with vavuum pump (12) four-way connection; Mass flowmenter (7), valve and four-way connection (8) are installed on the second road pipeline successively, the road pipeline that this four-way connection (8) is told is connected by the outlet of valve with secondary removal of impurities post (27), another road pipeline of telling is connected with the import of secondary absorption post (25) by pressure sensor (26), on the remaining interface of this four-way connection (8) valve is installed; The Third Road pipeline is by reducer union (5), spinner flowmeter (10), and the three-way connection (22) that the pressure sensor of installing in valve and third level adsorption column (20) import (21) is connected is connected, and is connecting valve on another interface of three-way connection (22); The four-way connection (31) that the outlet of secondary absorption post (28) connects successively by pipeline, valve is communicated with three-way connection (9) on being connected vavuum pump (12) pipeline, two interfaces of four-way connection (31), one of them interface is installed with valve, another interface is connecting the import of three grades of removal of impurities posts (23) by reducer union (24), the outlet of three grades of adsorption columns (20) is communicated with the four-way connection that is connected vavuum pump (12) (11) by pipeline, on this pipeline, connecting two four-way connections (18) from bottom to top successively, (17), valve, chromatogram quantification pipe (14), reducer union (13); Two interfaces of first four-way connection (18) on this pipeline, outlet with three grades of removal of impurities posts (23) is connected the connecting pipe of one of them interface with valve by three-way connection (19), connecting valve on another interface, syringe (15) is being installed respectively on two interfaces of second four-way connection (16) and measures source capsule (17).
2. according to the described separator of claim 1, it is characterized in that: fill 12 purpose active carbons in the one-level adsorption column (29), measure and be 3.6Kg; Fill 25 purpose active carbons in the secondary absorption post (25), measure and be 120g; Three grades of adsorption columns (20) are filled 25 purpose active carbons, and its loading amount is 4.5g.
3. according to the described separator of claim 1, it is characterized in that: sampling amount is 6m
3The time, under 8-12 ℃ the condition, fill 10 purpose 5A molecular sieves in the one-level removal of impurities post (30), measure and be 1.5kg; Fill 40 purpose 5A molecular sieves in the secondary removal of impurities post (27), measure and be 70g and 25 purpose active carbons, measure and be 25g; In three grades of removal of impurities posts (23), fill 40 purpose 5A molecular sieves, measure and be 2.4g and 25 purpose active carbons, measure and be 1.7g.
4. according to the described separator of claim 1, it is characterized in that: valve is made of ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020221188XU CN201728039U (en) | 2010-06-10 | 2010-06-10 | Separating device with enrichment of gaseous xenon |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020221188XU CN201728039U (en) | 2010-06-10 | 2010-06-10 | Separating device with enrichment of gaseous xenon |
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| Publication Number | Publication Date |
|---|---|
| CN201728039U true CN201728039U (en) | 2011-02-02 |
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| CN201020221188XU Expired - Fee Related CN201728039U (en) | 2010-06-10 | 2010-06-10 | Separating device with enrichment of gaseous xenon |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359895A (en) * | 2011-08-15 | 2012-02-22 | 西北核技术研究所 | Normal temperature enrichment and sampling method for xenon in air, and apparatus thereof |
| CN102489108A (en) * | 2011-11-28 | 2012-06-13 | 西北核技术研究所 | Method for separating and purifying xenon in atmosphere by use of active carbon and device thereof |
| CN102508285A (en) * | 2011-11-28 | 2012-06-20 | 西北核技术研究所 | Method and device for enriching and sampling xenon in atmosphere at low temperature |
| CN105181430A (en) * | 2015-09-06 | 2015-12-23 | 中国人民解放军63653部队 | Pre-enrichment system apparatus for xenon in instrumented gas sample |
| CN105181841A (en) * | 2015-09-08 | 2015-12-23 | 中国人民解放军63653部队 | Instrumented rapid purification system device for xenon |
| CN109665506A (en) * | 2018-12-21 | 2019-04-23 | 北京放射性核素实验室 | Atmosphere xenon enrichment and purification method, device and the method for preparing carbon molecular sieve |
| CN112557158A (en) * | 2021-02-28 | 2021-03-26 | 中国工程物理研究院核物理与化学研究所 | Separation, purification and collection device for xenon in air sample |
| CN115979779A (en) * | 2023-01-10 | 2023-04-18 | 浙江恒达仪器仪表股份有限公司 | Control method of xenon background multi-mode enrichment analysis device |
-
2010
- 2010-06-10 CN CN201020221188XU patent/CN201728039U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359895A (en) * | 2011-08-15 | 2012-02-22 | 西北核技术研究所 | Normal temperature enrichment and sampling method for xenon in air, and apparatus thereof |
| CN102359895B (en) * | 2011-08-15 | 2014-08-06 | 西北核技术研究所 | Normal temperature enrichment and sampling method for xenon in air |
| CN102489108A (en) * | 2011-11-28 | 2012-06-13 | 西北核技术研究所 | Method for separating and purifying xenon in atmosphere by use of active carbon and device thereof |
| CN102508285A (en) * | 2011-11-28 | 2012-06-20 | 西北核技术研究所 | Method and device for enriching and sampling xenon in atmosphere at low temperature |
| CN102489108B (en) * | 2011-11-28 | 2013-09-18 | 西北核技术研究所 | Method for separating and purifying xenon in atmosphere by use of active carbon and device thereof |
| CN102508285B (en) * | 2011-11-28 | 2014-12-03 | 西北核技术研究所 | Method and device for enriching and sampling xenon in atmosphere at low temperature |
| CN105181430A (en) * | 2015-09-06 | 2015-12-23 | 中国人民解放军63653部队 | Pre-enrichment system apparatus for xenon in instrumented gas sample |
| CN105181841A (en) * | 2015-09-08 | 2015-12-23 | 中国人民解放军63653部队 | Instrumented rapid purification system device for xenon |
| CN109665506A (en) * | 2018-12-21 | 2019-04-23 | 北京放射性核素实验室 | Atmosphere xenon enrichment and purification method, device and the method for preparing carbon molecular sieve |
| CN109665506B (en) * | 2018-12-21 | 2020-11-06 | 北京放射性核素实验室 | Atmospheric xenon enrichment and purification method and device |
| CN112557158A (en) * | 2021-02-28 | 2021-03-26 | 中国工程物理研究院核物理与化学研究所 | Separation, purification and collection device for xenon in air sample |
| CN115979779A (en) * | 2023-01-10 | 2023-04-18 | 浙江恒达仪器仪表股份有限公司 | Control method of xenon background multi-mode enrichment analysis device |
| CN115979779B (en) * | 2023-01-10 | 2023-07-28 | 浙江恒达仪器仪表股份有限公司 | Control method of multimode enrichment analysis device for xenon background |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110202 Termination date: 20170610 |