CN109036610A - A kind of removal device and minimizing technology for polymorphic tritium in molten salt reactor tail gas - Google Patents
A kind of removal device and minimizing technology for polymorphic tritium in molten salt reactor tail gas Download PDFInfo
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Abstract
The present invention relates to a kind of removal devices for polymorphic tritium in molten salt reactor tail gas, and including the equipment group removed for polymorphic tritium, which includes for adsorbing the fluorination tritium in molten salt reactor tail gas so that the fluoride adsorbent bed group of the first tail gas is discharged；For restoring the oxidizing atmosphere in the first tail gas and the tritium of different shape being reduced to gaseous state tritium so that the reduction bed group of the second tail gas is discharged；For adsorbing the tritium in the second tail gas and storing most of tritium with metal hydride form the alloy of third tail gas is discharged and stores up tritium device group；Surabaya is formed for aoxidizing the remaining tritium in third tail gas the catalysis oxidation bed group of the 4th tail gas is discharged；The surabaya adsorbent bed group of final product is discharged for adsorbing the surabaya in the 4th tail gas；The gas circulator that power forms gas-circulating system is provided.The present invention also provides a kind of methods of polymorphic tritium in removal molten salt reactor tail gas.Apparatus and method of the present invention efficiently solves under molten salt reactor tail gas environment, the removal problem of different shape tritium.
Description
Technical field
The invention belongs to nuclear waste disposal technical fields, and in particular to a kind of to go for polymorphic tritium in molten salt reactor tail gas
Except device and minimizing technology.
Background technique
Tritium is the smallest radionuclide in nature, and decay mode is β decay, and half-life period is 12.33.Tritium is big
The residence time is longer in gas and water body transmission process, and the radiological effect of generation is not only limited near discharge areas, but can
Global range can be distributed to.Tritium is a kind of radionuclide of weak beta radiator, and external exposure injury will not be generated to human body, however,
Decline phase and higher isotopic-exchange rate and oxygenation efficiency since its is longer, can cause to tissue and organ after being sucked by human body interior
Irradiation harm, it is therefore necessary to which its discharge in the environment is controlled.
Tritium is one of the critical nuclide of effect on environment under nuclear power station normal operating condition, in order to reduce tritium into environment
Discharge, the premise that the recycling and removal of tritium necessitate.
The tritium generated in molten salt reactor carries out mainly in primary coolant circuit pipe by inert gas.In order to reach fused salt
The demand of tritium processing, the recycling and removal of heap, it is desirable to provide polymorphic tritium removal device and side under the conditions of a kind of molten salt reactor tail gas
Method.
Summary of the invention
For the removal for solving the problems, such as the polymorphic tritium in molten salt reactor tail gas, the present invention provides a kind of in molten salt reactor tail gas
The removal device and minimizing technology of polymorphic tritium.
The present invention provides a kind of removal device for polymorphic tritium in molten salt reactor tail gas, including inlet exhaust gas and exhaust
Mouthful, it further include the equipment group for the removal of polymorphic tritium between inlet exhaust gas and exhaust outlet, which includes being used for
The fluorination tritium in molten salt reactor tail gas is adsorbed so that the fluoride adsorbent bed group of the first tail gas is discharged；For restoring the oxygen in the first tail gas
Change atmosphere and the tritium of different shape is reduced to gaseous state tritium so that the reduction bed group of the second tail gas is discharged；For adsorbing in the second tail gas
Tritium and by most of tritium with metal hydride form store be discharged third tail gas alloy store up tritium device group；For aoxidizing third
Remaining tritium in tail gas forms surabaya so that the catalysis oxidation bed group of the 4th tail gas is discharged；For adsorb the surabaya in the 4th tail gas with
The surabaya adsorbent bed group of final product is discharged；And tritium device group, catalysis oxidation are stored up for fluoride adsorbent bed group, reduction bed group, alloy
Bed group and surabaya adsorbent bed group provide the gas circulator of power and formed gas-circulating system.
In this way, molten salt reactor tail gas is passed through the removal device from inlet exhaust gas, through perfluoro-compound adsorbent bed, by the molten salt reactor
Fluorination tritium removal in tail gas, is discharged first gas；Then, which enters reduction bed, by the oxidation in the first tail gas
Atmosphere removal, while gaseous state tritium is converted by water tritium and methane tritium, the second tail gas is discharged；Then, which is passed through alloy
Tritium bed is stored up, most of tritium is stored with metal hydride form third tail gas is discharged；Then, which is passed through catalysis oxygen
Change bed, after tritium remaining in atmosphere is oxidized to surabaya, the 4th tail gas is discharged；Then the 4th tail gas enters surabaya adsorbent bed, will
Surabaya in 4th tail gas is adsorbed, is removed, further promoted tritium treatment effeciency, thus reach polymorphic tritium recycling and
The purpose of removal.
Preferably, the fluoride adsorbent bed group, reduction bed group, alloy storage tritium device group, catalysis oxidation bed group and surabaya absorption
Bed group includes commonly used equipment and stand-by equipment in parallel；Each commonly used equipment is sequentially connected in series to be formed between inlet exhaust gas and exhaust outlet
Access；The stand-by equipment is connect to form the gas-circulating system with gas circulator.
Preferably, the stand-by equipment of the fluoride adsorbent bed group is connected to gas circulator by the first, second check valve
To form the first gas circulatory system, the stand-by equipment that the reduction bed group and alloy store up tritium bed group passes through third, the 4th unidirectionally
Valve is connected to gas circulator to form the second gas circulatory system, the stand-by equipment of catalysis oxidation bed group and surabaya adsorbent bed group
Gas circulator is connected to by the five, the 6th check valves to form the third gas circulatory system.
Preferably, which includes for monitoring the fluoride adsorbent bed group, reduction bed group, alloy storage tritium
Device group, the pressure monitoring devices of the treatment effeciency of catalysis oxidation bed group and surabaya adsorbent bed group and stability and the monitoring of polymorphic tritium
Equipment.
Preferably, the adsorbent which is filled is aluminium oxide or active carbon.
Preferably, the reducing agent which is filled is Zr system alloy, Mg system alloy or Al system alloy.The reduction
Bed group has first heater, for heating reducing agent to running temperature.
Preferably, the storage tritium alloy that alloy storage tritium bed group is filled is Zr2Fe alloy, sponge Ti or sponge Zr.It is described
Alloy, which stores up tritium bed group, has secondary heating mechanism, for heating storage tritium alloy to running temperature.
Preferably, the catalytic oxidant which is filled is copper oxide particle or precious metals pt.It is described to urge
Changing oxidation bed group has third heating device, for heatable catalytic oxidant to running temperature
Preferably, the adsorbent which is filled is molecular sieve.
The present invention also provides a kind of methods that polymorphic tritium in molten salt reactor tail gas is removed using above-mentioned removal device.
In short, being efficiently solved provided by the present invention for the device and method of the polymorphic tritium removal of molten salt reactor tail gas
Under molten salt reactor tail gas environment, different shape tritium processing, recycling and removal the problem of.
Detailed description of the invention
Fig. 1 is the schematic diagram of the removal device of the polymorphic tritium provided according to the preferred embodiment of the present invention.
Specific embodiment
Below in conjunction with a specific embodiment of the invention, technical solution of the present invention is described in detail, but such as
Lower embodiment is only that and cannot limit the present invention to understand the present invention, the feature in embodiment and embodiment in the present invention
It can be combined with each other, the invention can be implmented in many different forms as is defined and embodied by the claims.
A kind of removal device for polymorphic tritium in molten salt reactor tail gas provided according to the present invention, including inlet exhaust gas 1,
Booster pump 2, surge tank group 3, for the equipment group 4 and exhaust outlet 5 of the removal of polymorphic tritium fluoride, wherein molten salt reactor tail gas is logical
Inlet exhaust gas 1 is crossed into removal device, passes through exhaust outlet 5 after booster pump 2, surge tank group 3 and equipment group 4 from removal device
Middle discharge.The molten salt reactor tail gas includes HTO, the CH for being fluorinated tritium and different shape3T.In the present embodiment, equipment group 4 includes logical
Cross the sequentially connected fluoride adsorbent bed group 41 of gas circuit, reduction bed group 42, alloy storage tritium device group 43, catalysis oxidation bed group 44 and tritium
Water adsorbent bed group 45.In addition, the equipment group 4 further includes gas circulator 46, which is diaphragm type compressor, is
Fluoride adsorbent bed group 41, reduction bed group 42, alloy storage tritium device group 43, catalysis oxidation bed group 44 and surabaya adsorbent bed group 45 provide
Power, and tritium device group 43, catalysis oxidation bed group are stored up with fluoride adsorbent bed group 41, reduction bed group 42, alloy when needed
44 and surabaya adsorbent bed group 45 formed gas-circulating system.
Wherein, fluoride adsorbent bed group 41 is used for the fluorination tritium Adsorption in molten salt reactor tail gas and the first tail is discharged
Gas.The adsorbent that fluoride adsorbent bed group 41 is filled in the present embodiment is aluminium oxide, it should be appreciated that the adsorbent can be with
It is active carbon.
Fluoride adsorbent bed group 41 further includes in parallel as the first fluoride adsorbent bed 411 of commonly used equipment and as standby
With the second fluoride adsorbent bed 412 of equipment；Wherein, the inlet and outlet of the first fluoride adsorbent bed 411 are respectively arranged with the first valve
Door V11 and the second valve V12, the inlet and outlet of the second fluoride adsorbent bed 412 are respectively arranged with third valve V11' and the 4th valve
Door V12'.The inlet and outlet of the fluoride adsorbent bed group 41 be also respectively provided with the 5th valve V11 " and the 6th valve V12 " with gas
46 connection of body circulation pump, the 5th valve V11 " and the 6th valve V12 " respectively the first check valve and second one-way valve, to prevent
Only back flow of gas.So that the second fluoride adsorbent bed 412 can form the first gas circulatory system with gas circulator 46.
Under normal operating conditions, open the first valve V11 and the second valve V12, close third valve V11', the 4th valve V12',
Then 5th valve V11 " and the 6th valve V12 " leads to so that molten salt reactor tail gas enters the first fluoride adsorbent bed 411
The reduction bed group 42 in downstream.
In addition, 41 exit of fluoride adsorbent bed group is equipped with pressure monitoring devices 6 and polymorphic tritium monitoring device 7 to monitor
The treatment effeciency and stability of fluoride adsorbent bed group 41.
When adsorbing occur in pressure monitoring devices 6 and polymorphic tritium monitoring device 7 the first fluoride adsorbent bed 411 of display or urge
When changing lower efficiency or failure, start stand-by state, that is, close the first valve V11 and the second valve V12, opens third valve
V11', the 4th valve V12', the 5th valve V11 " and the 6th valve V12 ", are followed so that molten salt reactor tail gas enters first gas
Loop system.Only when pressure monitoring devices 6 and polymorphic tritium monitoring device 7 show that detection gas treatment effect reaches requirement again
Just lead to the reduction bed group 42 in downstream afterwards.
Restore bed group 42 be used for by the first tail gas oxidizing atmosphere remove, while by the tritium of different shape (HTO and
CH3T after) being converted into gaseous state tritium, the second tail gas is discharged by gas circuit；In the present embodiment, the reduction of the reduction bed group 42 filling
Agent is Zr system alloy (such as ZrMnFe alloy).It should be understood that Mg system alloy or Al system alloy can also be filled.The reduction bed group
42 include first heater, to heat reduction bed group 42 temperature required to reducing agent operation.
Reduction bed group 42 is similar to fluoride adsorbent bed group 41, restores bed as the first of commonly used equipment including in parallel
421 and as stand-by equipment second restore bed 422；Wherein, the inlet and outlet of the first reduction bed 421 are respectively arranged with the 7th valve
The inlet and outlet of V21 and the 8th valve V22, the second reduction bed 422 are respectively arranged with the 9th valve V21' and the tenth valve V22'.It should
The import of reduction bed group 42 is additionally provided with the 15th valve V21 " and connect with gas circulator 46.15th valve V21 " is
Three check valves are to prevent back flow of gas.
Alloy stores up tritium device group 43 and is used to tritium remaining in the second tail gas carrying out absorbing and storing, by most of tritium with metallic hydrogen
The storage of compound form, avoids the toxicity that tritium is processed into surabaya generation, and third tail gas is discharged.In this embodiment, alloy stores up tritium
The storage tritium alloy of bed group filling is Zr2Fe alloy.It should be understood that the filler can also be sponge Ti or sponge Zr.The alloy
Storing up tritium device group 43 includes secondary heating mechanism, goes back temperature needed for alloy stores up tritium device group 43 to filler operation to heat.
Alloy storage tritium device group 43 is similar with fluoride adsorbent bed group 41, including the first alloy as commonly used equipment in parallel
It stores up tritium device 431 and the second alloy as stand-by equipment stores up tritium device 432；Wherein, the inlet and outlet difference of the first alloy storage tritium device 431
It is provided with the 11st valve V31, the 12nd valve V32, the inlet and outlet of the second alloy storage tritium device 432 are respectively arranged with the 13rd valve
Door V31' and the 14th valve V32'.The outlet of alloy storage tritium device group 43 is additionally provided with the 16th valve V22 " and gas recycles
46 connection of pump.16th valve V22 " is the 4th check valve, for preventing back flow of gas.
By the 15th valve V21 " and the 16th valve V22 ", the second reduction bed 422, the second alloy storage tritium device 432 and
Gas circulator 46 can form the second gas circulatory system.
In normal state, the 7th valve V21, the 8th valve V22, the 11st valve V31 and the 12nd valve are opened
V32 closes the 9th valve V21', the tenth valve V22', the 13rd valve V31', the 14th valve V32', the 15th valve
V21 " and the 16th valve V22 ", so that the first tail gas, which enters the first reduction bed 421, makes different shape in the first tail gas
Tritium (HTO and CH3T the second tail gas is formed after) being converted into gaseous state tritium, the second tail gas leads to the first alloy and stores up tritium device 431, will be remaining
Tritium absorbing and storing, most of tritium is stored with metal hydride form, formed third tail gas, then lead to downstream catalysis oxygen
Change bed group 44.
The exit of reduction bed group 42 and alloy storage tritium device group 43 is equipped with pressure monitoring devices 6 and the monitoring of polymorphic tritium is set
Standby 7, to monitor the treatment effeciency and stability of reduction bed group 42 and alloy storage 43 equipment of tritium device group.
When pressure monitoring devices 6 and the first reduction bed 421 of polymorphic tritium monitoring device 7 display or the first alloy store up tritium device
431 occur adsorbing or when catalytic efficiency is lower or failure, start stand-by state, i.e. the 7th valve V21 of closing, the 8th valve V22,
11st valve V31 and the 12nd valve V32, open the 9th valve V21' and the tenth valve V22', the 13rd valve V31' and
14th valve V32', the 15th valve V21 " and the 16th valve V22 " are followed so that the first tail gas enters second gas
Loop system.Only when pressure monitoring devices 6 and polymorphic tritium monitoring device 7 show that detection gas treatment effect reaches requirement again
Just lead to the catalysis oxidation bed group 44 in downstream afterwards.
Catalysis oxidation bed group 44 is used to tritium remaining in third tail gas being oxidized to surabaya, forms the 4th tail gas.Catalysis oxidation
Bed group 44 also makees safety device, for the tritium eliminating equipment after alloy storage tritium device failure.The catalysis oxidation bed group 44 includes third
Heating device with temperature needed for heatable catalytic oxidation bed group 44 to catalytic oxidant operation, and keeps temperature to stablize.In this reality
It applies in example, the catalytic oxidant which is filled is copper oxide particle.It should be understood that the catalytic oxidant is also
It can be precious metals pt.
Catalysis oxidation bed group 44 equally includes as the first catalysis oxidation bed 441 of commonly used equipment and as stand-by equipment
Second catalysis oxidation bed 442.Wherein, the inlet and outlet of the first catalysis oxidation bed 441 are respectively arranged with the 17th valve V41, the tenth
Eight valve V42, the inlet and outlet of the second catalysis oxidation bed 432 are respectively arranged with the 19th valve V41' and the 20th valve V42'.
The import of the catalysis oxidation bed group 44 also sets up the 25th valve V41 " to connect with gas circulator 46.
Surabaya adsorbent bed group 45 is formed for further being adsorbed, being removed by the surabaya that catalysis oxidation bed group 44 is formed
Final product, thus, the treatment effeciency of tail gas is further promoted, to achieve the purpose that the recycling and removal of polymorphic tritium.At this
In embodiment, the adsorbent which is filled is molecular sieve.
Surabaya adsorbent bed group 45 equally includes in parallel as the first surabaya adsorbent bed 451 of commonly used equipment and and as standby
With the second surabaya adsorbent bed 452 of equipment；Wherein, the inlet and outlet of the first surabaya adsorbent bed 451 are respectively arranged with the 21st valve
Door V51, the 22nd valve V52, the inlet and outlet of the second surabaya adsorbent bed 452 are respectively arranged with the 23rd valve V51' and the
24 valve V52'.The outlet of the surabaya adsorbent bed group 45 is arranged the 26th valve V52 " and connect with gas circulator 46.
Pass through the 25th valve V41 " and the 26th valve V52 ", the second catalysis oxidation bed 442, the absorption of the second surabaya
Bed 452 and gas circulator 46 can form the third gas circulatory system.
In normal state, the 17th valve V41, the 18th valve V42, the 21st valve V51 and the 20th are opened
Two valve V52 close the 19th valve V41', the 20th valve V42', the 23rd valve V51', the 24th valve
V52', the 25th valve V41 " and the 26th valve V52 " make third tail gas enter catalysis oxidation bed group 44 for third tail gas
Middle remnants tritium is oxidized to surabaya, forms the 4th tail gas, the 4th tail gas subsequently into surabaya adsorbent bed group 45 be used for by surabaya into
Further absorption, removal form final product to row.
Catalysis oxidation bed group 44, surabaya adsorbent bed group 45 exit be equipped with pressure monitoring devices 6 and polymorphic tritium and monitor
Equipment 7 is to monitor the treatment effeciency and stability of catalysis oxidation bed group 44,45 equipment of surabaya adsorbent bed group.
When pressure monitoring devices 6 and polymorphic tritium monitoring device 7 show the first catalysis oxidation bed 441 or the absorption of the first surabaya
When adsorbing occurs in bed 451 or catalytic efficiency is lower or fails, start stand-by state, i.e. closing the 17th valve V41, the 18th valve
Door V42, the 21st valve V51 and the 22nd valve V52, open the 19th valve V41', the 20th valve V42', second
13 valve V51' and the 24th valve V52', the 25th valve V41 " and the 26th valve V52 ", so that the
Three tail gas enter the third gas circulatory system.Only when pressure monitoring devices 6 and polymorphic tritium monitoring device 7 show detection gas
Treatment effect reaches exhaust outlet 5 of the ability by final product towards downstream after requirement again.
In addition, the removal device is equipped with the first surge tank 31 after booster pump 2, the exit of first surge tank 31 is equipped with
Inlet valve V1 and flow monitoring equipment, the flow monitoring equipment are used to monitor the molten salt reactor tail gas of the outlet of the first surge tank 31
Flow；The outlet that alloy stores up tritium device group 43 is equipped with the second surge tank 32；The outlet of surabaya adsorbent bed group 45 is additionally provided with third buffering
Tank 33 is equipped with outlet valve V2 to buffer final product, in the outlet of the third surge tank 33, by final product from removal device
Discharge.
The present invention also provides a kind of minimizing technologies of polymorphic tritium under the conditions of tail gas for molten salt reactor, comprising the following steps:
S1 opens booster pump 2, is passed through high purity argon from inlet exhaust gas 1, so that entire removal device is cleaned,
And open reduction bed group 42, the first, second, and third heating device that alloy storage tritium bed group 43 and catalysis oxidation bed group 44 have
The temperature required to equipment group operation, and temperature is kept to stablize.
S2, molten salt reactor tail gas enter removal device from gas inlet 1 and (in the present embodiment, in molten salt reactor tail gas, are fluorinated
Tritium, gaseous state tritium, water tritium and methane tritium concentration are respectively 10ppm), open inlet valve V1, the first valve V11, the second valve
V12, the 7th valve V21, the 8th valve V22, the 13rd valve V31, the 14th valve V32, the 17th valve V41, the 18th
Valve V42, the 21st valve V51, the 22nd valve V52 and outlet valve V2, the first fluoride adsorbent bed 411 of operation,
First reduction bed 421, the first alloy storage tritium device 431, the first catalysis oxidation bed 441 and the first surabaya adsorbent bed 451；Pass through each pressure
Power monitoring device 6 and polymorphic tritium monitoring device 7, detect the removal effect to molten salt reactor tail gas of the removal device；Wherein,
The treatment effeciency of 411 pairs of monofluoride adsorbent bed fluorination tritiums is higher than 90%, the conversion of the first reduction bed 421 pairs of surabaya and methane tritium
Efficiency is higher than 99%, and the first alloy stores up tritium device 431 and is higher than 99.9% to the adsorption efficiency of gaseous state tritium, the first catalysis oxidation bed 441
95% is higher than to the treatment effeciency of gaseous state tritium, the first surabaya adsorbent bed 451 is higher than 99% to the adsorption efficiency of surabaya.
Therefore, removal device is higher than 90% to the treatment effeciency of polymorphic tritium, can be by most of water tritium and methane tritium with more
The solid-state storing mode of safety is adsorbed, and final product of the molten salt reactor tail gas after the removal device removes detritiation is by exhaust outlet 5
Discharge.
S3, if pressure monitoring devices 6 and polymorphic tritium monitoring device 7 show 411 operational efficiency of the first fluoride adsorbent bed
It is low, close the first valve V11, the second valve V12 opens simultaneously third valve V11', the 4th valve V12', the 5th valve V11 "
Circulation of tail gas is set to flow through the second fluoride adsorbent bed 412, after being no longer flow into using gas-circulating system with the 6th valve V12 "
Processing equipment is held, prevents from influencing back-end processing effect, when gas treatment effect to be detected reaches requirement again, opens the 7th valve
V21 and the 8th valve V22 closes the 5th valve V11 " and the 6th valve V12 ", system equipment is made to start to run well again.
It should be understood that the first reduction bed 421, the first alloy storage tritium device 431, the first catalysis oxidation bed 441 or the first surabaya
451 efficiency of adsorbent bed reduces or system equipment can also be made to start to run well again by valve transfer when failing.
Above-described, only presently preferred embodiments of the present invention, the range being not intended to limit the invention, of the invention is upper
Stating embodiment can also make a variety of changes.Letter made by i.e. all claims and description according to the present invention
Single, equivalent changes and modifications, fall within claims of the invention.The not detailed description of the present invention is conventional skill
Art content.
Claims (10)
1. a kind of removal device for polymorphic tritium in molten salt reactor tail gas, including inlet exhaust gas and exhaust outlet, which is characterized in that
It further include the equipment group for the removal of polymorphic tritium between inlet exhaust gas and exhaust outlet, which includes:
For adsorbing the fluorination tritium in molten salt reactor tail gas so that the fluoride adsorbent bed group of the first tail gas is discharged；
For restoring the oxidizing atmosphere in the first tail gas and the tritium of different shape being reduced to gaseous state tritium so that the second tail gas is discharged
Restore bed group；
For adsorbing the tritium in the second tail gas and storing most of tritium the conjunction of third tail gas is discharged with metal hydride form
Gold storage tritium device group；
Surabaya is formed for aoxidizing the remaining tritium in third tail gas the catalysis oxidation bed group of the 4th tail gas is discharged；
The surabaya adsorbent bed group of final product is discharged for adsorbing the surabaya in the 4th tail gas；And
It stores up tritium device group, catalysis oxidation bed group and surabaya adsorbent bed group for fluoride adsorbent bed group, reduction bed group, alloy and power is provided
And the gas circulator of formed gas-circulating system.
2. removal device according to claim 1, which is characterized in that the fluoride adsorbent bed group, reduction bed group, alloy
Storage tritium device group, catalysis oxidation bed group and surabaya adsorbent bed group include commonly used equipment and stand-by equipment in parallel；Each commonly used equipment
It is sequentially connected in series the access to be formed between inlet exhaust gas and exhaust outlet；The stand-by equipment connect described to be formed with gas circulator
Gas-circulating system.
3. removal device according to claim 2, which is characterized in that the stand-by equipment of the fluoride adsorbent bed group passes through
First, second check valve is connected to gas circulator to form the first gas circulatory system, and the reduction bed group and alloy store up tritium
The stand-by equipment of bed group is connected to gas circulator by third, the 4th check valve to form the second gas circulatory system, is catalyzed
The stand-by equipment of oxidation bed group and surabaya adsorbent bed group is connected to gas circulator by the five, the 6th check valves to form third
Gas-circulating system.
4. removal device according to claim 1, which is characterized in that the gas-circulating system includes described for monitoring
Fluoride adsorbent bed group, reduction bed group, alloy storage tritium device group, the treatment effeciency of catalysis oxidation bed group and surabaya adsorbent bed group and steady
Qualitative pressure monitoring devices and polymorphic tritium monitoring device.
5. removal device according to claim 1, which is characterized in that the adsorbent that the fluoride adsorbent bed group is filled
For aluminium oxide or active carbon.
6. removal device according to claim 1, which is characterized in that the reducing agent that the reduction bed group is filled is Zr system
Alloy, Mg system alloy or Al system alloy, the reduction bed group have first heater, for heating reducing agent to running temperature
Degree.
7. removal device according to claim 1, which is characterized in that the storage tritium alloy that the alloy storage tritium bed group is filled
For Zr2Fe alloy, sponge Ti or sponge Zr, the alloy storage tritium bed group has secondary heating mechanism, for heating storage tritium alloy
To running temperature.
8. removal device according to claim 1, which is characterized in that the catalysis oxygen that the catalysis oxidation bed group is filled
Agent is copper oxide particle or precious metals pt, and the catalysis oxidation bed group has third heating device, is aoxidized for heatable catalytic
Agent is to running temperature.
9. removal device according to claim 1, which is characterized in that the adsorbent that the surabaya adsorbent bed is filled is point
Son sieve.
10. a kind of remove polymorphic tritium in molten salt reactor tail gas using the removal device of any of claims 1-9
Method.
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| CN201810870126.2A CN109036610B (en) | 2018-08-02 | 2018-08-02 | Device and method for removing polymorphic tritium in tail gas of molten salt reactor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110702468A (en) * | 2019-09-16 | 2020-01-17 | 清华大学 | Carbon-14 sampling system adopting solid oxidant |
| CN111203098A (en) * | 2020-02-28 | 2020-05-29 | 中国工程物理研究院材料研究所 | System and method for recovering hydrogen isotopes in plasma discharge tail gas |
| CN115382389A (en) * | 2022-08-23 | 2022-11-25 | 中国原子能科学研究院 | Tail gas treatment method and system |
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| CN109036610B (en) | 2020-03-13 |
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