CN105181841A - Instrumented rapid purification system device for xenon - Google Patents

Instrumented rapid purification system device for xenon Download PDF

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Publication number
CN105181841A
CN105181841A CN201510563110.3A CN201510563110A CN105181841A CN 105181841 A CN105181841 A CN 105181841A CN 201510563110 A CN201510563110 A CN 201510563110A CN 105181841 A CN105181841 A CN 105181841A
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China
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post
grades
uplink
downlink
gas circuit
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CN201510563110.3A
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Chinese (zh)
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不公告发明人
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63653 Troops of PLA
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63653 Troops of PLA
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Priority to CN201510563110.3A priority Critical patent/CN105181841A/en
Publication of CN105181841A publication Critical patent/CN105181841A/en
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Abstract

The invention belongs to the fields of environmental protection and nuclear chemical engineering and particularly relates to an instrumented rapid purification system device for xenon. The device comprises an uplink purification gas path device mechanism, a downlink purification gas path device mechanism, a gas carrying device, a vacuum pump and an external control module for controlling the device; parts in the uplink purification gas path device mechanism and the downlink purification gas path device mechanism are basically symmetrically arranged; the gas carrying device distributes gas sources to the uplink purification gas path device mechanism, the downlink purification gas path device mechanism and a chromatographic instrument by a tee joint; the chromatographic instrument is connected and arranged at the rear part of the uplink purification gas path device mechanism; the vacuum pump is connected with and respectively controls a first-stage adsorption column, a second-stage impurity removing column, a second-stage radon removing column, a second-stage adsorption column, a third-stage impurity removing column, a third-stage radon removing column, a third-stage adsorption column, the chromatographic instrument, a syringe and a source box through pipelines and electromagnetic valves. The device is used for monitoring radioactive xenon isotopes in environment gases; according to the device, the technical problems about the concentration of the xenon, separation and removal of impurity gases, the design of the device and the like are solved.

Description

Instrumentation xenon flash purification system device
Technical field
The invention belongs to environmental protection and nuclear chemical industry field, particularly relate to a kind of instrumentation xenon flash purification system device.
Background technology
Because the content of xenon in surrounding air is extremely low, also have the impact of other foreign gas, can not directly measure, must by the xenon enrichment method in large volume, low concentration air sample, remove foreign gas wherein, make the measurement source of high concentration, small size, just can carry out radioactivity survey.
About the purifying patented technology of xenon, there is the purification process of normal temperature enrichment, desorption under high temperature.Such as, notification number is CN102359895B " a kind of normal temperature enrichment sampling method of xenon in atmosphere ", use the level Four adsorption column xenon step by step in enrichment condensed air, this device samples at normal temperatures, causes adsorbent bed size very large, is difficult to reach field and uses portable requirement, sample volume after concentrated is about 130mL, can not measure the activity of radioactive xenon isotope with β-γ equality circuit, sensitvity constraint, this technology does not also embody sample preparation this feature rapid; Notification number is the CN202052451U device of xenon " in a kind of carbonaceous molecular sieve concentration and separation gas ", and this device is (-15 DEG C) sampling under low hypothermia, and adsorbent bed size is still comparatively large, and sample preparation speed is comparatively slow, does not also embody this requirement rapid.Also have the patented technology of the mode purifying xenon adopting non-adsorbed to be separated, such as, publication number is that CN1196331 " extracts the method for high purity krypton, xenon " in oxygen, krypton, xenon combination gas, uses the mode of cryogenic rectification to extract krypton-85 gas product, xenon-133 gas product; Publication number is CN104307461A " krypton, xenon purifying getter and preparation method thereof ", invention relates to a kind of krypton, xenon purifying multicomponent alloy getter and preparation method thereof, the problem such as solve that the specific aim that existing getter exists is poor, processing power is not enough, loss is large, easy efflorescence, life-span are short.
Summary of the invention
The object of the invention is: a kind of instrumentation xenon flash purification system device is provided, for the monitoring of radioactive xenon isotope in environmental gas, solve the concentrated of xenon and be separated the technical matterss such as removal and apparatus design with foreign gas, reach the object of radioactive xenon isotope activity concentration in monitoring of environmental air.
Technical scheme of the present invention: instrumentation xenon flash purification system device, this device comprises by uplink and downlink two purifying gas circuit equipment mechanisms, carrier gas device, the control module composition of vacuum pump and external this device of control, in described uplink and downlink two purifying gas circuit equipment mechanisms, parts are substantially symmetrical arranged, and jointly include: primary adsorption post, secondary removal of impurities post, secondary is except radon post, secondary absorption post, three grades of removal of impurities posts, three grades except radon post, three grades of adsorption columns, the one-level heating cabinet that primary adsorption post is arranged outward, the secondary removal of impurities post be cascaded by pipeline, the secondary heating cabinet that secondary is arranged except radon post and secondary absorption post, the three grades of removal of impurities posts be cascaded by pipeline, three grades of three grades of heating cabinets arranged except radon post and three grades of adsorption columns, the mass flow controller arranged before enter two parallel purification gas path device mechanisms via carrier gas device and pressure transducer, and the syringe that arranges of uplink and downlink two purifying gas circuit equipment mechanism rear portions and source capsule, and be laid in the some solenoid valves compositions in pipeline, source of the gas is distributed to uplink and downlink two purifying gas circuit equipment mechanisms and chromatograph by threeway by described carrier gas device, and described chromatograph connects the rear portion being arranged on up purifying gas circuit equipment mechanism, described vacuum pump connected respectively by pipeline and solenoid valve and control respectively primary adsorption post, secondary removal of impurities post, secondary except radon post, secondary absorption post, three grades of removal of impurities posts, three grades except radon post, three grades of adsorption columns, chromatograph, syringe and source capsules.
Secondary absorption post tail end place connection in described up purifying gas circuit equipment mechanism arranges archives bottle.At the afterbody of described descending purifying gas circuit equipment mechanism, pressure transducer is set.Secondary absorption post front end place in described uplink and downlink two purifying gas circuit equipment mechanisms connects respectively and arranges pressure transducer.Uplink and downlink two purifying gas circuit equipment mechanisms also can merge into a gas circuit when gas enters three grades of adsorption columns.
Beneficial effect of the present invention: the enrichment factor of this device to xenon is about 200,000 (nonjoinder samples) or 400,000 (merging samples), and the decontamination factor of radon is greater than 10 6, can by volume 2m 3or 4m 3xenon (concentration 0.087ppm) in air, concentrated and purified is 8mL, and the recovery of xenon is greater than 70%, and xenon concentration is about 1.7% or 3.4%.System can process 12 2m every day 3air sample or 6 4m 3air sample.
Along with Application of Nuclear Technology is increasingly extensive, the nuclear facilities quantity such as China's nuclear power station will increase, obvious to the monitoring requirements of radioxenon in environment, the every platform of import same kind of products at abroad is more than 500,000 dollars, performance and the instrumentation degree of this device belong to our times top standard, about every platform 1,000,000 Renminbi of its domestic cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated.
Accompanying drawing 1 is the structural representation of this device; Accompanying drawing 2 is device fundamental diagram of the present invention.
Embodiment
Embodiment 1, instrumentation xenon flash purification system device, as shown in Figure 1, this device comprises by uplink and downlink two purifying gas circuit equipment mechanisms, carrier gas device 13, the control module composition of vacuum pump 12 and external this device of control, in described uplink and downlink two purifying gas circuit equipment mechanisms, parts are substantially symmetrical arranged, and jointly include: primary adsorption post 1, secondary removal of impurities post 2, secondary is except radon post 3, secondary absorption post 4, three grades of removal of impurities posts 5, three grades except radon post 6, three grades of adsorption columns 7, the one-level heating cabinet 16 arranged outside primary adsorption post 1, the secondary removal of impurities post 2 be cascaded by pipeline, the secondary heating cabinet 17 that secondary is arranged except radon post 3 and secondary absorption post 4, the three grades of removal of impurities posts 5 be cascaded by pipeline, three grades of three grades of heating cabinets 18 arranged except radon post 6 and three grades of adsorption columns 7, the mass flow controller 14 arranged before enter two parallel purification gas path device mechanisms via carrier gas device 13 and pressure transducer 11, and the syringe 8 that arranges of uplink and downlink two purifying gas circuit equipment mechanism rear portions and source capsule 9, and the some solenoid valves 19 be laid in pipeline form, source of the gas is distributed to uplink and downlink two purifying gas circuit equipment mechanisms and chromatograph 10 by threeway by described carrier gas device 13, and described chromatograph 10 connects the rear portion being arranged on up purifying gas circuit equipment mechanism, described vacuum pump 12 is connected respectively by pipeline and solenoid valve 19 and controls primary adsorption post 1, secondary removal of impurities post 2, secondary respectively except radon post 3,5, three grades, secondary absorption post 4, three grades of removal of impurities posts are except radon post 6, three grades of adsorption columns 7, chromatograph 10, syringe 8 and source capsules 9.
Secondary absorption post 4 tail end place connection in described up purifying gas circuit equipment mechanism arranges archives bottle 15.At the afterbody of described descending purifying gas circuit equipment mechanism, pressure transducer 11 is set.Secondary absorption post 4 front end place in described uplink and downlink two purifying gas circuit equipment mechanisms connects respectively and arranges pressure transducer 11.Uplink and downlink two purifying gas circuit equipment mechanisms also can merge into a gas circuit when gas enters three grades of adsorption columns 7.
The filling of embodiment 2, (1) device adsorption column and activating and regenerating: adsorption column filler is carbonaceous molecular sieve and 5A molecular sieve.Before changing filler, carbonaceous molecular sieve is calcination 2h in the muffle furnace of 200 DEG C, and 5A molecular sieve is calcination 2h at 500 DEG C, puts into exsiccator and is cooled to room temperature, dress post of weighing; When new clothes adsorption column or device were stopped using more than 10 days, need to regenerate under nitrogen atmosphere.Adsorption column regeneration temperature 220-260 DEG C, method heats to vacuumize continuously or nitrogen elution, regenerated rear cooling stand-by;
(2) start shooting: the tracheae and the cable that connect purification system, open nitrogen cylinder main valve and reduction valve, open power switch and the chromatograph of purifying case side, setting relevant operating parameter;
(3) setting of heating desorption parameter: according to pre-determined purifying process parameter, by operation interface, the heating-up temperature of post at different levels, heat time, eluent gas flow, elution time, solenoid valve action and vacuum pump action in setup control software.Primary adsorption post is arranged in purification unit and carries out desorb; Prime adsorption column and removal of impurities post is regenerated while desorb;
(4) source processed and measurement: the xenon-133 gas prepared, is collected in source capsule, is placed in gamma ray spectrometer or proceeds to β/γ coincidence measurement Indoor measurement radioactive xenon isotope counting, derive each isotopic activity according to instrument efficiency; In stratographic analysis source apparatus pipeline, the concentration of xenon in residual gas, calculates the recovery;
(5) stopping device: cut out purifying case side power switch, cuts out chromatograph and carrier gas device.
Device principle of work illustrates, as shown in Figure 2, is enriched in the xenon at high temperature desorb on primary adsorption post, with 5A molecular sieve and carbonaceous molecular sieve removing impurity (CO 2, H 2o, radon), xenon is adsorbed on secondary absorption post; In like manner desorb secondary absorption post and three grades of adsorption columns, make gasmetry source by the gas of three grades of adsorption column desorbs, gasmetry volume source 8mL; The desorption temperature of adsorption column is 240 DEG C, and the adsorption temp of adsorption column is 40 DEG C, and the regeneration temperature of post at different levels is 240 DEG C; Inflated with nitrogen in cylinder after regeneration, pressure is about 2 atmospheric pressure; System adopts parallel gas circuit and line production operation, significantly improves the processing speed of sample, can process 12 2m every day 3sample or 6 4m 3sample, and all achieve automation mechanized operation.

Claims (5)

1. instrumentation xenon flash purification system device, this device comprises by uplink and downlink two purifying gas circuit equipment mechanisms, carrier gas device (13), the control module composition of vacuum pump (12) and external this device of control, is characterized in that: in described uplink and downlink two purifying gas circuit equipment mechanisms, parts are substantially symmetrical arranged, and jointly include: primary adsorption post (1), secondary removal of impurities post (2), secondary is except radon post (3), secondary absorption post (4), three grades of removal of impurities posts (5), three grades except radon post (6), three grades of adsorption columns (7), the one-level heating cabinet (16) that primary adsorption post (1) is arranged outward, the secondary removal of impurities post (2) be cascaded by pipeline, the secondary heating cabinet (17) that secondary is arranged except radon post (3) and secondary absorption post (4), the three grades of removal of impurities posts (5) be cascaded by pipeline, three grades of three grades of heating cabinets (18) arranged except radon post (6) and three grades of adsorption columns (7), the mass flow controller (14) arranged before entering two parallel purification gas path device mechanisms via carrier gas device (13) and pressure transducer (11), and the syringe (8) that arranges of uplink and downlink two purifying gas circuit equipment mechanism rear portions and source capsule (9), and be laid in some solenoid valves (19) composition in pipeline, source of the gas is distributed to uplink and downlink two purifying gas circuit equipment mechanisms and chromatograph (10) by threeway by described carrier gas device (13), and described chromatograph (10) connects the rear portion being arranged on up purifying gas circuit equipment mechanism, described vacuum pump (12) connected respectively by pipeline and solenoid valve (19) and control respectively primary adsorption post (1), secondary removal of impurities post (2), secondary except radon post (3), secondary absorption post (4), three grades of removal of impurities posts (5), three grades except radon post (6), three grades of adsorption columns (7), chromatograph (10), syringe (8) and source capsules (9).
2. instrumentation xenon flash purification system device according to claim 1, is characterized in that: secondary absorption post (4) the tail end place connection in described up purifying gas circuit equipment mechanism arranges archives bottle (15).
3. instrumentation xenon flash purification system device according to claim 1, is characterized in that: arrange pressure transducer (11) at the afterbody of described descending purifying gas circuit equipment mechanism.
4. instrumentation xenon flash purification system device according to claim 1, is characterized in that: secondary absorption post (4) the front end place in described uplink and downlink two purifying gas circuit equipment mechanisms connects respectively and arranges pressure transducer (11).
5. instrumentation xenon flash purification system device according to claim 1, is characterized in that: uplink and downlink two purifying gas circuit equipment mechanisms also can merge into a gas circuit when gas enters three grades adsorption column (7).
CN201510563110.3A 2015-09-08 2015-09-08 Instrumented rapid purification system device for xenon Pending CN105181841A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112557157A (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 Method for separating, purifying and collecting xenon in air sample based on specific device
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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0922480A1 (en) * 1997-12-05 1999-06-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Adsorption process for the purification of inert fluids on zeolite LSX
WO1999056855A1 (en) * 1998-04-21 1999-11-11 Mikhail Jurievich Savinov Method for producing a xenon concentrate
CN201728039U (en) * 2010-06-10 2011-02-02 中国人民解放军63653部队 Separating device with enrichment of gaseous xenon
CN202052451U (en) * 2011-01-21 2011-11-30 中国人民解放军63653部队 Device for enriching and separating xenon in air through carbon molecular sieves
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0922480A1 (en) * 1997-12-05 1999-06-16 L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude Adsorption process for the purification of inert fluids on zeolite LSX
WO1999056855A1 (en) * 1998-04-21 1999-11-11 Mikhail Jurievich Savinov Method for producing a xenon concentrate
CN201728039U (en) * 2010-06-10 2011-02-02 中国人民解放军63653部队 Separating device with enrichment of gaseous xenon
CN202052451U (en) * 2011-01-21 2011-11-30 中国人民解放军63653部队 Device for enriching and separating xenon in air through carbon molecular sieves
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

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
A. RINGBOM ET AL.: "SAUNA—a system for automatic sampling, processing, and analysis of radioactive xenon", 《NUCLEAR INSTRUMENTS AND METHODS IN PHYSICS RESEARCH》 *
M. AUER ET AL.: "Intercomparison experiments of systems for the measurement of xenon radionuclides in the atmosphere", 《APPLIED RADIATION AND ISOTOPES》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112557157A (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 Method for separating, purifying and collecting xenon in air sample based on specific device
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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Application publication date: 20151223