CN108717030A - A kind of fast analyser and method of hydrogen isotope gas abundance - Google Patents
A kind of fast analyser and method of hydrogen isotope gas abundance Download PDFInfo
- Publication number
- CN108717030A CN108717030A CN201810636966.2A CN201810636966A CN108717030A CN 108717030 A CN108717030 A CN 108717030A CN 201810636966 A CN201810636966 A CN 201810636966A CN 108717030 A CN108717030 A CN 108717030A
- Authority
- CN
- China
- Prior art keywords
- gas
- container
- valve
- air inlet
- hydrogen isotope
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Abstract
The present invention discloses a kind of fast analyser and method of hydrogen isotope gas abundance, device includes standard gas cylinders, the first container and second container, the input terminal of the first container is connected with the first air inlet branch road and the second air inlet branch road, for injecting gas to be analyzed, the second air inlet branch road is also connect with standard gas cylinders first air inlet branch road；The output end of the first container and the input terminal of second container are connected by the first output branch and/or the second output branch, first output branch is sequentially connected in series the 5th automatic valve and the first mass flowmenter, second output branch is sequentially connected in series third valve, volume flow controllers and the second mass flowmenter, the first output branch and the second output branch circuit parallel connection setting；Air inlet, the first container and second container are connect by vacuum valve with a vacuum pump.The present invention realizes that hydrogen isotope gas abundance is online or sample detection, and analysis result is accurate and reliable, and the analysis detection efficiency of hydrogen isotope gas abundance is greatly improved.
Description
Technical field
The present invention relates to hydrogen isotope gas enrichment analysis technical fields, and in particular to a kind of hydrogen isotope gas abundance
Fast analyser and method.
Background technology
In the fields such as reactor deuterium triton fuel recycle, it is many to be related to the separation of hydrogen isotope gas, purification, exchange recycling etc.
The quickly analysis of technical process, hydrogen isotope gas abundance is most important.Mass spectrum is the common method for analyzing hydrogen isotope abundance,
But large-scale mass spectrograph is expensive, and to environmental requirement harshness, difficult in maintenance, there is also certain for the detection efficiency and convenience of method
Limitation, sample needs to carry out a series of complicated analytic sets and cleaning systems work before measuring, thus nuclear power and nuclear weapon are ground
Study carefully equal fields and lack quick measurement means always, monitoring is lacked to some intermediate change processes in technique.
Therefore it provides a kind of fast analyser and method of hydrogen isotope gas abundance, have solved institute in the prior art
The existing above problem becomes technical problem now urgently to be resolved hurrily.
Invention content
It is above-mentioned to solve the object of the present invention is to provide a kind of fast analyser and method of hydrogen isotope gas abundance
Problem of the existing technology is more efficient, method is simple, at low cost, it can be achieved that hydrogen isotope gas abundance is quickly analyzed.
To achieve the above object, the present invention provides following schemes：The present invention provides a kind of hydrogen isotope gas abundance
Fast analyser, including standard gas cylinders, the first container and second container, the input terminal of the first container be connected with first into
Gas branch and the second air inlet branch road are provided with the first valve in first air inlet branch road, described for injecting gas to be analyzed
Second air inlet branch road is also connect with the standard gas cylinders, and the second valve is provided in second air inlet branch road, and described
One air inlet branch road and the second air inlet branch road parallel connection tandem form air inlet, the input of the air inlet and the first container
End connection；
The output end of the first container and the input terminal of the second container are defeated by the first output branch and/or second
Out branch connects, and the first output branch is sequentially connected in series the 5th automatic valve and the first mass flowmenter, the second output branch
Road is sequentially connected in series third valve, volume flow controllers and the second mass flowmenter, the first output branch and described second
Export branch circuit parallel connection setting；
The air inlet, the first container and the second container are connect by vacuum valve with a vacuum pump.
Preferably, first output is set between the output end of the first container and the input terminal of the second container
Branch, the first container and the second container are set in insulating box.
Preferably, the air inlet and the input terminal of the first container are attached by three tunnel gas circuits, described in three tunnels
Gas circuit is arranged in parallel, and the output end of the air inlet is connected with first pressure sensor.
Preferably, gas circuit described in three tunnels includes the first gas circuit, the second gas circuit and third gas circuit, and first gas circuit is gone here and there successively
Join the first automatic valve, booster pump and the second automatic valve, be provided with third automatic valve in second gas circuit, the third gas circuit according to
Secondary series connection pressure reducer and the 4th automatic valve.
Preferably, the first container is also associated with second pressure sensor and temperature sensor, and the second container is also
It is connected with vacuum meter by the first vacuum valve.
Preferably, the output end of the air inlet is connected with the second vacuum valve, and the output end of the first container is connected with
Third vacuum valve, the vacuum pump connect second vacuum valve, third vacuum valve, the second container by the 4th vacuum valve
Output end pass through the 5th vacuum valve and connect the vacuum pump.
Preferably, the standard gas cylinders are the stainless steel gas storage tank that pressure resistance is not less than 10MPa, for loading in advance
Hydrogen isotope gas known to the abundance configured.
Preferably, the binary hydrogen isotope gaseous mixture that the hydrogen isotope gas is hydrogen deuterium, hydrogen tritium, deuterium tritium mix.
Preferably, the invention also discloses a kind of any one of reference claim 1-8 hydrogen isotope gas abundance
Fast analyser hydrogen isotope gas enrichment analysis method, include the following steps：
Step 1) makees standard curve：Analytical equipment pipeline is evacuated to vacuum degree with vacuum pump first and is better than 1Pa；Secondly,
The hydrogen isotope gas for the known different abundance being placed on respectively in standard gas cylinders is connected with the input terminal of the second valve successively, makes
It injects analytical equipment, and known gas is automatically controlled by the first gas circuit, the according to the pressure value that first pressure sensor is fed back
Two gas circuits or third gas circuit enter the first container；
If controlling the gas of the first container output end by the cooperation of first pressure sensor and the 5th automatic valve, adjust
Section is consistent with temperature into the pressure of the known gas of the first container every time, and pressure is not less than 0.5MPa, then controls first
Gas in container enters second container, by the first mass flowmenter meter gaseous quality, keeps gas in each the first container
Pressure drop is consistent；If the output gas of the first container is controlled by volume flow controllers, the second mass flowmenter is used
Meter gaseous quality is entered under the gas volume standard state of second container by volume flow controllers control unanimously, with gas
Quality does x-axis, and gas D abundance does y-axis, makes standard curve；
Step 2) sample gas is analyzed：Container equipped with gas to be analyzed is connected with the first valve, with vacuum pump by pipeline
Vacuum degree is evacuated to better than after 1Pa, gas is analysed to and is inputted from the first valve, system is pressed according to shown in first pressure sensor
Power size automatically controls gas and enters the first container from the first gas circuit, the second gas circuit or third gas circuit；
If the gas of the first container output end is controlled by first pressure sensor and the cooperation of the 5th automatic valve, the is adjusted
The temperature of one container is consistent when ensuring it with step 1) making standard curve with pressure condition, then controls gas and enters the second appearance
Device, using the first mass flowmenter meter gaseous quality, it is ensured that the first container pressure drop is identical as known gas；If the first container
Output gas controlled by volume flow controllers, then under controlling into the gas volume standard state of second container with step
It is consistent when rapid 1) making standard curve, using the second mass flowmenter meter gaseous quality；Quality is substituted into standard curve, can be obtained
To the hydrogen isotope abundance of gas to be analyzed.
10, hydrogen isotope gas enrichment analysis method according to claim 9, it is characterised in that：The step 1)
In often to the first container input a known abundances hydrogen isotope gas be both needed to replicate analysis device pipeline vacuum step.
The present invention achieves following technique effect compared with the existing technology：
(1) the analysis detection efficiency of hydrogen isotope gas abundance can be greatly improved；
(2) system can realize automation, easy to operate, versatile, at low cost, without consumptive material and non-maintaining；
(3) hydrogen isotope gas abundance can be achieved online or sample detection, analysis result are accurate and reliable.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of the fast analyser of hydrogen isotope gas abundance of the present invention；
Fig. 2 is the present invention using gaseous mass as x-axis coordinate, and gas D abundance is the canonical plotting made of y-axis coordinate；
Wherein, 1. first valve, 2. second valves, 3. first automatic valves, 4. second automatic valves, 5. third automatic valves, 6.
4th automatic valve, 7. the 5th automatic valves, 8. third valves, 9. first vacuum valves, 10. second vacuum valves, 11. third vacuum valves,
12. the 4th vacuum valve, 13. the 5th vacuum valves, 14. first pressure sensors, 15. booster pumps, 16. pressure reducers, 17. second pressures
Sensor, 18. temperature sensors, 19. vacuum meters, 20. first mass flowmenters, 21. volume flow controllers, 22. second matter
Measure flowmeter, 23. the first containers, 24. second containers, 25. vacuum pumps, 26. insulating boxs, 27. standard gas cylinders.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is above-mentioned to solve the object of the present invention is to provide a kind of fast analyser and method of hydrogen isotope gas abundance
Problem of the existing technology is more efficient, method is simple, at low cost, it can be achieved that hydrogen isotope gas abundance is quickly analyzed.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, the present invention provides a kind of fast analyser of hydrogen isotope gas abundance, including standard gas cylinders
27, the input terminal of the first container 23 and second container 24, the first container 23 is connected with the first air inlet branch road and the second air inlet branch road,
The first valve 1 is provided in first air inlet branch road, for injecting gas to be analyzed, the second air inlet branch road also connects with standard gas cylinders 27
Connect, and be provided with the second valve 2 in the second air inlet branch road, the first air inlet branch road and the second air inlet branch road parallel connection tandem formed into
Gas port, air inlet are connected to the input terminal of the first container 23；
The output end of the first container 23 passes through the first output branch and/or the second output branch with the input terminal of second container 24
Road connects, and the first output branch is sequentially connected in series the 5th automatic valve 7 and the first mass flowmenter 20, and the second output branch is sequentially connected in series
Third valve 8, volume flow controllers 21 and the second mass flowmenter 22, the first output branch are set with the second output branch circuit parallel connection
It sets；Air inlet, the first container 23 and second container 24 are connect by vacuum valve with a vacuum pump 25.
Wherein, the output end of the first container 23 of the present invention only setting first can export branch, can also only setting second
Branch, or the first output branch of setting simultaneously and the second output branch are exported, when two output branches are arranged simultaneously, the
One output branch and the second output branch circuit parallel connection.
When being provided with the first output branch between the output end of the first container 23 and the input terminal of second container 24, first
Container 23, second container 24 and output branch between the two are set in insulating box 26, and 26 accuracy of temperature control of insulating box is better than
0.1 DEG C, it is provided with heater strip, partition board and cold wind outlet, side in insulating box 26 and is additionally provided with refrigeration machine and control zone, it is permanent
It is additionally provided with insulating layer in the shell of incubator 26, temperature can be adjusted and is kept the temperature.
Air inlet and the input terminal of the first container 23 are attached by three tunnel gas circuits, and three tunnel gas circuits are arranged in parallel, air inlet
The output end of mouth is connected with first pressure sensor 14.Three tunnel gas circuits include the first gas circuit, the second gas circuit and third gas circuit, first
Gas circuit is sequentially connected in series the first automatic valve 3, booster pump 15 and the second automatic valve 4, and third automatic valve 5 is provided in the second gas circuit, the
Three gas circuits are sequentially connected in series pressure reducer 16 and the 4th automatic valve 6.
The first container 23 is also associated with second pressure sensor 17 and temperature sensor 18, and second container 24 also passes through first
Vacuum valve 9 is connected with vacuum meter 19.
The output end of air inlet is connected with the second vacuum valve 10, and the output end of the first container 23 is connected with third vacuum valve
11, vacuum pump 25 connects the second vacuum valve 10, third vacuum valve 11 by the 4th vacuum valve 12, and the output end of second container 24 is logical
Cross the 5th vacuum valve 13 connection vacuum pump 25.
The standard gas cylinders 27 of the present invention are the stainless steel gas storage tank that pressure resistance is not less than 10MPa, are matched in advance for loading
Hydrogen isotope gas known to the abundance set, hydrogen isotope gas is hydrogen deuterium, the binary hydrogen isotope of hydrogen tritium, deuterium tritium mixing is mixed
Close gas, hydrogen isotope gas known to abundance of the present invention be preferably D abundance be respectively 0%, 9.96%, 18.67% with
26.94% hydrogen deuterium mixed gas.
Gas volume flow amount controller 21 of the present invention is thermal type gas quality flow controller or other types of controllable
The controller of volume flow, precision are better than ± 0.2%RD+ ± 0.1%FS, range of flow 1sccm to 100slm H2Eq is (excellent
Select 1sccm to 500sccm H2Eq), pressure limit has various communication interfaces for flow control from 0.1psi to 1000psi
With data transmission.
First gas mass flowmenter and second gas mass flow are calculated as Coriolis gas mass flow gauge or can count
Other type flow meters of gaseous mass are measured, precision is better than ± 0.2%RD+ ± 0.1%FS, and range of flow 1sccm is arrived
100slm H2Eq (preferably 1sccm to 1000sccm H2Eq), pressure limit has a variety of communications and connects from 0.1psi to 1000psi
Mouth is used for flow control and data transmission.
The first container 23, which is volume, to be 50mL~10L and is not less than the stainless steel of 10MPa by volume calibration, pressure resistance
Tank；Second container 24 is the stainless cylinder of steel that volume is not less than 2MPa not less than 5 times of volumes of the first container 23, pressure resistance；The present invention
It is 1L and by calibration, stainless cylinder of steel of the pressure resistance not less than 10MPa that preferably the first container 23, which is volume,；Second container 24 is
Volume is 10L, pressure resistance is not less than the stainless cylinder of steel of 2MPa.
First pressure sensor 14 and the precision of second pressure sensor 17 are superior to 0.2 grade of national standard, and with feedback
Signal exports, and selects pressure limit for 0-1MPa or 0-10MPa as needed；First automatic valve 3, the second automatic valve 4, third are certainly
Dynamic valve 5, the 4th automatic valve 6 are electromagnetic switch valve or pneumatic on-off valve, preferably pneumatic operated valve, can be anti-according to first pressure sensor 14
The signal-selectivity of feedback is opened, the Automatic shutting-down of signal fed back according to second pressure sensor 17；When first pressure sensor 14
When shown gas pressure value is less than 0.5MPa, the first automatic valve 3, the second automatic valve 4 are opened, and gas is first where booster pump 15
Gas circuit enters the first container 23, and the first automatic valve 3, the second automatic valve 4 are according to second pressure sensor after reaching required pressure
17 feedback signals are closed；When the gas pressure value shown in the first pressure sensor 14 is more than 2.0MPa, the 4th automatic valve 6 is opened,
Gas gas circuit where pressure reducing valve enters the first container 23, and the 4th automatic valve 6 is passed according to second pressure after reaching required pressure
17 feedback signal of sensor is closed.5th automatic valve 7 is electromagnetic switch valve or pneumatic on-off valve, and preferably pneumatic operated valve can after unlatching
Automatic shutting-down of signal according to 17 feedback of second pressure sensor.
First valve 1, the second valve 2, third valve 8, the first vacuum valve 9, the second vacuum valve 10, third vacuum valve 11,
4th vacuum valve 12, the 5th vacuum valve 13 be automatic valve (electromagnetic switch valve or pneumatic on-off valve) or manually-operated gate (diaphragm valve,
Needle-valve, bellows valve etc.), pressure resistance is not less than 10MPa, and leak rate is better than 1 × 10-9m3·Pa·s-1。
Vacuum pump 25 is the oil pump or dry pump that end vacuum is better than 1Pa, and pumping speed is not less than 5L/s, and vacuum pump 25 of the present invention is excellent
It is selected as oil-free scroll of the end vacuum better than 1Pa to pump, pumping speed is more than 16L/s.
Each component of analytical equipment is connected using gas piping in the present invention, and gas piping selects inner wall by electrobrightening
Stainless steel pipes, material are 316/316L 304/304L stainless steels, and pressure resistance is not less than 10MPa, and sealing material is all made of
Stainless steel either pure nickel or passes through argon arc (or electron beam, laser) direct welded seal.
The invention also discloses a kind of hydrogen isotope gas of the fast analyser based on above-mentioned hydrogen isotope gas abundance
Body enrichment analysis method, includes the following steps：
Step 1) makees standard curve：Standard gas cylinders 27 are accessed into the second valve 2 first, by the process system studied or gas
Body sample bottle accesses the first valve 1, and analytical equipment pipeline, which is evacuated to vacuum degree, with vacuum pump 25 is better than 1Pa, and step is：It beats
Open the first valve 1, the second valve 2, the first automatic valve 3, the second automatic valve 4, third automatic valve 5, the 4th automatic valve the 6, the 5th certainly
Dynamic valve 7, third valve 8, the second vacuum valve 10, third vacuum valve 11, the 4th vacuum valve 12, the 5th vacuum valve 13, volume flow
21 internal valves of controller evacuate analysis system；When 17 pressure of second pressure sensor is less than 0.1MPa, the is opened
One vacuum valve 9 monitors system vacuum with the first vacuum meter 19, accurate when system pressure drops to 1Pa hereinafter, closing above-mentioned all valves
It is standby to carry out analysis operation；The hydrogen isotope gas that a known abundances are often inputted to the first container 23 is both needed to repeat above-mentioned vacuumize
Step.
Secondly, the hydrogen deuterium gaseous mixture that D abundance is 0%, 9.96%, 18.67% and 26.94% is configured in standard gas cylinders 27
As known gas, D abundance is demarcated by Agilent mass spectrometer；And be connected successively with the input terminal of the second valve 2,
It is set to inject analytical equipment, the pressure value fed back according to first pressure sensor 14 automatically controls known gas by the first gas
Road, the second gas circuit or third gas circuit enter the first container 23, and it is 0.5MPa to make gas pressure in the first container 23；
If the gas in the first container 23 enters second container 24 by the first output branch, pass through first pressure sensor
14 and the 5th the cooperation of automatic valve 7 control the gas of 23 output end of the first container, adjust and entered the first container 23 every time
Know that the pressure of gas is consistent with temperature, and pressure is not less than 0.5MPa, then controls gas in the first container 23 and enter the second appearance
Device 24 keeps gas pressure drop in each the first container 23 consistent by 20 meter gaseous quality of the first mass flowmenter.
If the gas in the first container 23 enters second container 24, the output gas of the first container 23 by the second output branch
It is controlled by volume flow controllers 21, then uses 22 meter gaseous quality of the second mass flowmenter, controlled by volume flow
The gas volume (standard state) of device control into second container 24 is consistent；At this point, 26 nonessential configuration of insulating box.
The output gas of the preferred the first container of the present invention 23 enters second container 24, volume flow by the second output branch
Controller 21 controls the known gas that volume is 1L under standard state and flows through the second mass flowmenter 22 within 2min respectively, passes through
It is respectively 89.1mg, 98.4mg, 105.9mg and 114.8mg that second mass flowmenter 22, which detects mixed gas quality, with gas matter
Amount does x-axis, and gas D abundance does y-axis, makes standard curve, as shown in Figure 2.
Step 2) sample gas is analyzed：Gas to be analyzed is the certain mixed gas of formulated hydrogen deuterium ratio, it is passed through the
One valve 1 injects analytical equipment, and pressure condition is same as above with operating procedure, and the gaseous mixture passed through is detected through the second mass flowmenter 22
Weight is 113.6mg, and it is 26.10% to calculate D abundance in mixed gas by standard curve, and mixed gas is through Agilent gas
Body colour spectrum analysis wherein D abundance is 26.10%, and the present invention is completely the same with chromatography.
Specific case is applied in the present invention, and principle and implementation of the present invention are described, above example
Illustrate the method and its core concept for being merely used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification
It should not be construed as limiting the invention.
Claims (10)
1. a kind of fast analyser of hydrogen isotope gas abundance, it is characterised in that：Including standard gas cylinders, the first container and
The input terminal of two containers, the first container is connected with the first air inlet branch road and the second air inlet branch road, first air inlet branch road
On be provided with the first valve, for injecting gas to be analyzed, second air inlet branch road is also connect with the standard gas cylinders, and
The second valve, first air inlet branch road and the second air inlet branch road parallel connection tandem shape are provided in second air inlet branch road
At air inlet, the air inlet is connected to the input terminal of the first container；
The output end of the first container and the input terminal of the second container pass through the first output branch and/or the second output branch
Road connects, and the first output branch is sequentially connected in series the 5th automatic valve and the first mass flowmenter, the second output branch according to
Secondary series connection third valve, volume flow controllers and the second mass flowmenter, the first output branch are exported with described second
Branch circuit parallel connection is arranged；
The air inlet, the first container and the second container are connect by vacuum valve with a vacuum pump.
2. the fast analyser of hydrogen isotope gas abundance according to claim 1, it is characterised in that：Described first holds
The first output branch, the first container and described the are set between the output end of device and the input terminal of the second container
Two containers are set in insulating box.
3. the fast analyser of hydrogen isotope gas abundance according to claim 1 or 2, it is characterised in that：It is described into
Gas port and the input terminal of the first container are attached by three tunnel gas circuits, and gas circuit is arranged in parallel described in three tunnels, the air inlet
The output end of mouth is connected with first pressure sensor.
4. the fast analyser of hydrogen isotope gas abundance according to claim 3, it is characterised in that：Gas described in three tunnels
Road includes the first gas circuit, the second gas circuit and third gas circuit, and first gas circuit is sequentially connected in series the first automatic valve, booster pump and second
Automatic valve is provided with third automatic valve in second gas circuit, and the third gas circuit is sequentially connected in series pressure reducer and the 4th automatic valve.
5. the fast analyser of hydrogen isotope gas abundance according to claim 4, it is characterised in that：Described first holds
Device is also associated with second pressure sensor and temperature sensor, and the second container is also connected with vacuum by the first vacuum valve
Meter.
6. the fast analyser of hydrogen isotope gas abundance according to claim 5, it is characterised in that：The air inlet
Output end be connected with the second vacuum valve, the output end of the first container is connected with third vacuum valve, and the vacuum pump passes through
4th vacuum valve connects second vacuum valve, third vacuum valve, and the output end of the second container is connected by the 5th vacuum valve
Connect the vacuum pump.
7. the fast analyser of hydrogen isotope gas abundance according to claim 6, it is characterised in that：The standard
Gas tank is the stainless steel gas storage tank that pressure resistance is not less than 10MPa, for loading the same position of hydrogen known to pre-configured abundance
Plain gas.
8. the fast analyser of hydrogen isotope gas abundance according to claim 7, it is characterised in that：The same position of hydrogen
The binary hydrogen isotope gaseous mixture that plain gas is hydrogen deuterium, hydrogen tritium, deuterium tritium mix.
9. a kind of hydrogen isotope of any one of reference claim 1-8 fast analysers of the hydrogen isotope gas abundance
Gas enrichment analysis method, which is characterized in that include the following steps：
Step 1) makees standard curve：Analytical equipment pipeline is evacuated to vacuum degree with vacuum pump first and is better than 1Pa；Secondly, respectively
The hydrogen isotope gas for the known different abundance being placed in standard gas cylinders is connected with the input terminal of the second valve successively, makes its note
Enter analytical equipment, known gas is automatically controlled by the first gas circuit, the second gas according to the pressure value that first pressure sensor is fed back
Road or third gas circuit enter the first container；
If controlling the gas of the first container output end by the cooperation of first pressure sensor and the 5th automatic valve, adjust every
The pressure of the secondary known gas into the first container is consistent with temperature, and pressure is not less than 0.5MPa, then controls the first container
Interior gas enters second container, by the first mass flowmenter meter gaseous quality, keeps gas pressure in each the first container
Drop is consistent；If the output gas of the first container is controlled by volume flow controllers, measured using the second mass flowmenter
Gaseous mass is entered under the gas volume standard state of second container by volume flow controllers control unanimously, with gaseous mass
X-axis is done, gas D abundance does y-axis, makes standard curve；
Step 2) sample gas is analyzed：Container equipped with gas to be analyzed is connected with the first valve, is evacuated pipeline with vacuum pump
To vacuum degree better than after 1Pa, it is analysed to gas and is inputted from the first valve, system is big according to pressure shown in first pressure sensor
The small gas that automatically controls enters the first container from the first gas circuit, the second gas circuit or third gas circuit；
If the gas of the first container output end is controlled by first pressure sensor and the cooperation of the 5th automatic valve, adjusts first and hold
The temperature of device is consistent when ensuring it with step 1) making standard curve with pressure condition, then controls gas and enters second container,
Using the first mass flowmenter meter gaseous quality, it is ensured that the first container pressure drop is identical as known gas；If the first container
Output gas is controlled by volume flow controllers, then under controlling into the gas volume standard state of second container with step
1) consistent when making standard curve, using the second mass flowmenter meter gaseous quality；
Gaseous mass is substituted into standard curve, the hydrogen isotope abundance of gas to be analyzed can be obtained.
10. hydrogen isotope gas enrichment analysis method according to claim 9, it is characterised in that：It is every in the step 1)
The hydrogen isotope gas that a known abundances are inputted to the first container is both needed to replicate analysis device pipeline vacuum step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636966.2A CN108717030B (en) | 2018-06-20 | 2018-06-20 | Device and method for rapidly analyzing abundance of hydrogen isotope gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810636966.2A CN108717030B (en) | 2018-06-20 | 2018-06-20 | Device and method for rapidly analyzing abundance of hydrogen isotope gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108717030A true CN108717030A (en) | 2018-10-30 |
| CN108717030B CN108717030B (en) | 2020-10-27 |
Family
ID=63913052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636966.2A Active CN108717030B (en) | 2018-06-20 | 2018-06-20 | Device and method for rapidly analyzing abundance of hydrogen isotope gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108717030B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444464A (en) * | 2019-07-23 | 2019-11-12 | 中国工程物理研究院材料研究所 | A kind of four-electrode spectrum sampling system for hydrogen isotope gas analysis |
| CN110988104A (en) * | 2019-12-26 | 2020-04-10 | 中国工程物理研究院材料研究所 | Hydrogen isotope gas quadrupole mass spectrometry based on double correction |
| CN111307921A (en) * | 2019-11-26 | 2020-06-19 | 中国工程物理研究院材料研究所 | Absolute measurement quadrupole mass spectrum hydrogen isotope gas abundance analysis method and device |
| CN112331366A (en) * | 2020-11-21 | 2021-02-05 | 中国工程物理研究院材料研究所 | Deuterium-tritium fuel storage and supply demonstration system and application |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487593A (en) * | 2013-09-18 | 2014-01-01 | 中国科学院微电子研究所 | Gas analysis device and method |
-
2018
- 2018-06-20 CN CN201810636966.2A patent/CN108717030B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487593A (en) * | 2013-09-18 | 2014-01-01 | 中国科学院微电子研究所 | Gas analysis device and method |
Non-Patent Citations (1)
| Title |
|---|
| 石磊等: ""氢同位素气体分析进展"", 《中国核科学技术进展报告》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110444464A (en) * | 2019-07-23 | 2019-11-12 | 中国工程物理研究院材料研究所 | A kind of four-electrode spectrum sampling system for hydrogen isotope gas analysis |
| CN110444464B (en) * | 2019-07-23 | 2021-06-01 | 中国工程物理研究院材料研究所 | Quadrupole mass spectrometry sample introduction system for hydrogen isotope gas analysis |
| CN111307921A (en) * | 2019-11-26 | 2020-06-19 | 中国工程物理研究院材料研究所 | Absolute measurement quadrupole mass spectrum hydrogen isotope gas abundance analysis method and device |
| CN111307921B (en) * | 2019-11-26 | 2022-11-25 | 中国工程物理研究院材料研究所 | Absolute measurement quadrupole mass spectrum hydrogen isotope gas abundance analysis method and device |
| CN110988104A (en) * | 2019-12-26 | 2020-04-10 | 中国工程物理研究院材料研究所 | Hydrogen isotope gas quadrupole mass spectrometry based on double correction |
| CN110988104B (en) * | 2019-12-26 | 2022-06-24 | 中国工程物理研究院材料研究所 | Hydrogen isotope gas quadrupole mass spectrometry based on double correction |
| CN112331366A (en) * | 2020-11-21 | 2021-02-05 | 中国工程物理研究院材料研究所 | Deuterium-tritium fuel storage and supply demonstration system and application |
| CN112331366B (en) * | 2020-11-21 | 2022-12-13 | 中国工程物理研究院材料研究所 | Deuterium-tritium fuel storage and supply demonstration system and application |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108717030B (en) | 2020-10-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108717030A (en) | A kind of fast analyser and method of hydrogen isotope gas abundance | |
| CN108827821A (en) | A kind of fast analyser and method for density of hydrogen in nuclear power plant containment shell | |
| US20210237005A1 (en) | Multifunctional c4f7n/co2 mixed gas preparation system and preparation method | |
| CN201318980Y (en) | Helium mass spectrometer leak detector used for detecting integral leakage of product | |
| CN103674822A (en) | Gas and liquid two-phase flow loop corrosion experiment device | |
| CN108020612B (en) | Device and method for analyzing content of trace impurities in hydrogen isotope gas and/or helium gas | |
| CN103759906B (en) | Device and method based on static expanding method vacuum standard calibration vacuum leak | |
| CN203643307U (en) | Gas-liquid two-phase loop corrosion experiment device | |
| WO2018210108A1 (en) | Reaction control and mass spectrometry station for joint use with respect to in situ pool of x-ray expressing apparatus | |
| CN114624319B (en) | Method for quantitatively obtaining ppm-level hydrogen isotope content in material based on thermal analysis-quadrupole mass spectrometry measurement principle | |
| CN205538816U (en) | Aerochemistry and noble gas isotopic content while measuring device | |
| CN111059462A (en) | Air supplementing method and device for environment-friendly gas insulation equipment | |
| CN108760867A (en) | The combination structure in the reaction in-situ pond and built-in mass spectrum electric quadrupole bar of the interconnection of UHV equipment | |
| CN107265413B (en) | The system for preparing high-purity nitrogen efficiency for improving membrane separator | |
| CN205538356U (en) | Sampling device of medical liquid oxygen | |
| CN205679577U (en) | A kind of chromatograph gas sample stablizes injector | |
| CN108444855B (en) | Device and method for rapidly analyzing content of methane in air | |
| CN112858553A (en) | Corrosive gas analysis chromatograph and analysis method | |
| CN110187011B (en) | Simulation experiment device and simulation method for dynamic adsorption and desorption research | |
| CN214334615U (en) | Wide-range water vapor permeation test system and water vapor permeation test equipment | |
| CN113252529B (en) | High-temperature gas-driven penetration testing system and method for metal pipe fitting | |
| CN111896191B (en) | On-site calibration method and auxiliary calibration equipment for integral oil tank leakage detection equipment | |
| CN210639149U (en) | Dynamic multi-component automatic gas distribution instrument | |
| CN109085280B (en) | System for quantitatively detecting sulfur hexafluoride gas component | |
| CN102507647B (en) | Device for researching gas safety threshold of sewage conduit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |