CN105304155B - A kind of high temperature gas-cooled reactor coolant optimization cleaning system and renovation process - Google Patents
A kind of high temperature gas-cooled reactor coolant optimization cleaning system and renovation process Download PDFInfo
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- CN105304155B CN105304155B CN201510472821.XA CN201510472821A CN105304155B CN 105304155 B CN105304155 B CN 105304155B CN 201510472821 A CN201510472821 A CN 201510472821A CN 105304155 B CN105304155 B CN 105304155B
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Abstract
The present invention relates to a kind of high temperature gas-cooled reactor coolant optimization cleaning system and renovation process.The carbon dioxide adsorption bed that the cooling agent optimization cleaning system includes water adsorbent bed, is connected with water adsorbent bed；Wherein, water adsorbent bed is used to remove in helium tritium-containing liquid waste to below 0.1ppm；Carbon dioxide adsorption bed is used to remove in helium carbon dioxide to below 0.1ppm.Tritium-containing liquid waste directly can be collected into helium purification regenerative system gas water separator by the present invention by setting up water adsorbent bed and carbon dioxide adsorption bed in water regeneration of adsorbent beds, improved tritium-containing liquid waste and collected operational efficiency；The regeneration temperature for reducing carbon dioxide adsorption bed simultaneously improves the regeneration operational efficiency of carbon dioxide adsorption bed to 100 200 DEG C.The invention can ensure that HTGR coolant cleanup system Effec-tive Function, realizes that industrialization is significant to HTGR technology.
Description
Technical field
The present invention relates to a kind of high temperature gas-cooled reactor coolant optimization cleaning system and renovation process, belong to nuclear reactor technology
Field.
Background technology
HTGR is the new nuclear reactor for having using helium as cooling agent the 4th generation of technology such as nuclear energy system principal character, is had
Have inherent safety, generating efficiency high, simple system and it is widely used the features such as.A variety of chemical impurities are had in the process of running
With radioimpurity radioactive impurity enter primary Ioops helium coolant in, generally set Helium purification system be used for control in helium coolant chemistry and
Radioimpurity radioactive impurity concentration.
At present, Helium purification system generally sets gradually CuO bed, molecular sieve bed and low temperature active charcoal bed to gas in helium
Impurity is purified.Wherein, hydrogen, tritium and carbon monoxide are mainly oxidized to water, HTO and carbon dioxide by CuO bed respectively,
And remove trace oxygen；Molecular sieve bed primary attachment water, HTO and carbon dioxide；Low temperature active charcoal bed is used for absorption nitrogen, first
The radionuclide such as alkane and krypton, xenon and residual impurity gas.CuO bed, molecular sieve bed and low temperature active charcoal bed are usually interval
Operation, the helium purification regenerative system by setting is CuO bed, molecular sieve bed and low temperature active charcoal bed provide regeneration, to dividing
Tritium-containing liquid waste is collected during sub- sifting bed regeneration and drains into active-effluent system.
However, in actual motion, when tritium-containing liquid waste amount is less in molecular sieve bed, it is difficult to be desorbed and effectively gathered up
Come, cause delay of the tritium-containing liquid waste in molecular sieve bed；And molecular sieve bed is used to adsorb water and carbon dioxide simultaneously, molecular sieve bed
Interior occluded water can cause degradation of the molecular sieve to carbon dioxide adsorption capacity；Therefore must increase when molecular sieve bed regenerates
If auxiliary water adsorbent bed removes the delay tritium-containing liquid waste in molecular sieve bed totally, tritium-containing liquid waste is set first to be transferred to auxiliary water absorption
In bed, then by regenerating auxiliary water adsorbent bed collection tritium-containing liquid waste, so considerably increase tritium-containing liquid waste and collect complexity；And
And due to the presence of tritium-containing liquid waste, cause the regenerative operation of whole molecular sieve bed need to be carried out under higher temperature conditions, cause again
The increase of raw energy consumption, reduces carbon dioxide regeneration efficiency, is not suitable for modernization industry growth requirement.
The content of the invention
It is an object of the invention to provide a kind of high temperature gas-cooled reactor coolant optimization cleaning system and renovation process.The present invention will
Water and purifying carbon dioxide carry out adsorbing separation cutting, avoid influence of the water to carbon dioxide adsorption performance；And helium purification system
Tritium-containing liquid waste in system can be collected directly, without transfer, improve HTGR tritium-containing liquid waste and collect operational efficiency；Also simultaneously
The regeneration temperature of carbon dioxide absorber is reduced, improves the regeneration efficiency of carbon dioxide absorber.
To achieve these goals, the present invention adopts the following technical scheme that：
A kind of high temperature gas-cooled reactor coolant optimization cleaning system (i.e. helium optimization cleaning system), including water adsorbent bed and water
The carbon dioxide adsorption bed of adsorbent bed connection；
Wherein, the water adsorbent bed is used to remove in helium tritium-containing liquid waste to below 0.1ppm；Carbon dioxide adsorption bed is used for
Carbon dioxide is removed in helium to below 0.1ppm.
Wherein, filling has the adsorbent of strong suction-operated to water, HTO in the water adsorbent bed, preferred zeolite molecular sieve,
The type zeolite molecular sieves such as further preferred 3A, 4A, 5A, 10X, 13X.
Wherein, filling has the adsorbent of strong suction-operated, preferred zeolite to carbon dioxide in the carbon dioxide adsorption bed
The type zeolite molecular sieve such as molecular sieve, further preferred 4A, 5A, 10X, 13X.
The present invention avoids water to carbon dioxide adsorption performance by the way that water and purifying carbon dioxide are carried out into adsorbing separation cutting
Influence, be advantageous to further improve carbon dioxide adsorption efficiency；And can be directly to cold using the regenerative system of water adsorbent bed
But the tritium-containing liquid waste in agent cleaning system is collected, and without transfer, fortune is collected so as to improve HTGR tritium-containing liquid waste
Line efficiency.
In helium of the present invention optimization cleaning system, it may also include that CuO bed, low temperature active charcoal bed etc. are other to be used for
The device of purification of helium.
HTGR helium optimization cleaning system of the present invention operationally, inhale by the water adsorbent bed and carbon dioxide
The normal purification operating temperature of attached bed is 5-25 DEG C.When water adsorbent bed exports water concentration, carbon dioxide adsorption bed outlet dioxy
When changing concentration of carbon arrival breakthrough point, water adsorbent bed, carbon dioxide adsorption bed must be respectively regenerated.
The present invention is provided as the helium purification regenerative system that above-mentioned helium optimization cleaning system provides regeneration, and it is by membrane compresses
Mechanical, electrical heater, water/helium cooler 1, gas water separator, auxiliary water adsorbent bed and the interior vacuum extractor group for setting discharge pipeline
Into；Water regeneration of adsorbent beds loop, carbon dioxide adsorption bed regenerative circuit, auxiliary water regeneration of adsorbent beds loop can be formed.
Below will be to water regeneration of adsorbent beds loop, carbon dioxide adsorption bed regenerative circuit, auxiliary water regeneration of adsorbent beds loop
And its regeneration operation process is stressed.
In helium purification regenerative system of the present invention, the water regeneration of adsorbent beds loop is：Water adsorbent bed and helium is net
Change regenerative system to be connected, connected successively by diaphragm type compressor, electric heater, water adsorbent bed, water/helium cooler 1, gas water separator
Connect composition；
In helium purification regenerative system of the present invention, the carbon dioxide adsorption bed regenerative circuit is：By carbon dioxide
Adsorbent bed is connected with helium purification regenerative system, by diaphragm type compressor, electric heater, carbon dioxide adsorption bed, water/helium cooler 1,
Gas water separator, auxiliary water adsorbent bed are sequentially connected composition；Preferably, water/helium cooler 1 it is gentle/separator at may be used also
If one carry water/helium cooler 2 bypass, and thus obtain by diaphragm type compressor, electric heater, carbon dioxide adsorption bed, water/
Helium cooler 2, auxiliary water adsorbent bed are sequentially connected the carbon dioxide adsorption bed regenerative circuit of composition.
In helium purification regenerative system of the present invention, the auxiliary water regeneration of adsorbent beds loop is：Regenerated by helium purification
System forms auxiliary water regeneration of adsorbent beds self circular loop, cold by diaphragm type compressor, electric heater, auxiliary water adsorbent bed, water/helium
But device 1, gas water separator are sequentially connected composition.Wherein, filling has strong absorption to make to water, HTO in the auxiliary water adsorbent bed
The type zeolite molecular sieves such as adsorbent, preferred zeolite molecular sieve, further preferred 3A, 4A, 5A, 10X, 13X.
The helium purification regenerative system that the present invention provides regeneration for helium optimization cleaning system may also include CuO bed again
Raw loop, low temperature active charcoal bed regenerative circuit.
In the helium purification regenerative system of helium optimization cleaning system of the present invention, it is equipped with and is taken out very on all regenerative circuits
Empty device；Preferably, the vacuum means are set in auxiliary water adsorbent bed exit.
The present invention also provides the renovation process for above-mentioned helium optimization cleaning system, specifically includes the regeneration fortune of water adsorbent bed
Row technique, the regeneration operation process of carbon dioxide adsorption bed and the regeneration operation process of auxiliary water adsorbent bed.
Wherein, the water regeneration of adsorbent beds operation method is specially：Helium is filled into water regeneration of adsorbent beds loop to low pressure, is opened
Dynamic helium purification regenerative system diaphragm type compressor, then starts helium purification regenerative system electric heater；Helium regenerates through helium purification
System diaphragm type compressor enters water adsorbent bed after entering the heating of helium purification regenerative system electric heater, it is heated at high temperature again
It is raw；Enter helium purification regenerative system after helium purification regenerative system water/helium cooler 1 cools from the hot helium that water adsorbent bed comes out
Separated and collected after the condensation of gas water separator, wherein saturation tritium-containing liquid waste, be ultimately discharged into HTGR active-effluent system；
Finally, water regeneration of adsorbent beds loop and water adsorbent bed cool and fill helium to be more than 0.11MPa it is standby.
Wherein it is preferred to the lower pressure is 0.5MPa-0.75MPa；The water regeneration of adsorbent beds temperature is 200-
350℃；Helium is cooled to 5 DEG C -25 DEG C by the helium purification regenerative system water/helium cooler.The recovery stream of the water adsorbent bed
Flow direction to be run with normal purification opposite to preferably.The regeneration flow direction of water adsorbent bed is with normal purification operation flow direction on the contrary, can improve
Water regeneration of adsorbent beds efficiency, tritium-containing liquid waste is avoided to be shifted from high concentration region to low concentration region.
The carbon dioxide adsorption bed regenerates operation process：Helium is filled into carbon dioxide adsorption bed regenerative circuit to low
Pressure, start helium purification regenerative system diaphragm type compressor, then start helium purification regenerative system electric heater；Helium through helium purification again
Raw system diaphragm type compressor enters carbon dioxide adsorption bed after entering the heating of helium purification regenerative system electric heater, makes it higher
Thermal regeneration under regeneration temperature；Dropped from the hot helium that carbon dioxide adsorption bed comes out through helium purification regenerative system water/helium cooler
Enter auxiliary water adsorbent bed absorption minor amount of water after temperature；Isolate auxiliary water adsorbent bed, to carbon dioxide adsorption bed regenerative circuit and two
Carbonoxide adsorbent bed carries out vacuum pumping；Finally, carbon dioxide adsorption bed cool and fill helium to be more than 0.11MPa it is standby.
Wherein it is preferred to the lower pressure is 0.5MPa-0.75MPa；The carbon dioxide adsorption bed regeneration temperature is
100-350 DEG C, further preferred 100 DEG C -200 DEG C；The helium purification regenerative system water/helium cooler by helium be cooled to 5 DEG C-
25℃；The actual conditions that vacuumizes is：Carbon dioxide adsorption bed is evacuated to less than 100Pa at 100 DEG C -200 DEG C.Temperature
Higher, carbon dioxide adsorption bed regeneration energy consumption is bigger, and the preferred regeneration temperature of carbon dioxide adsorption bed is 100 DEG C -200 DEG C；When auxiliary
When helping water adsorbent bed adsorption saturation, auxiliary water adsorbent bed is regenerated by auxiliary water regeneration of adsorbent beds loop.
The regeneration flow direction of the carbon dioxide adsorption bed is with normal purification operation flow direction on the contrary, carbon dioxide adsorption can be improved
Bed regeneration efficiency.The minor amount of water that auxiliary water adsorbent bed is used in absorbing carbon dioxide regeneration of adsorbent beds loop.
The auxiliary water regeneration of adsorbent beds operation process is：Helium optimization cleaning system is isolated with helium purification regenerative system,
And form auxiliary water regeneration of adsorbent beds self circular loop；Helium is filled into auxiliary water regeneration of adsorbent beds loop to low pressure, it is net to start helium
Change regenerative system diaphragm type compressor, then start helium purification regenerative system electric heater；Helium is in helium purification regenerative system barrier film
Under driven compressor, by helium purification regenerative system electric heater, auxiliary water adsorbent bed is set to regenerate under the high temperature conditions, from auxiliary
The hot helium that water adsorbent bed comes out enters helium purification regeneration system after being cooled into helium purification regenerative system water/helium cooler 1
System gas water separator, makes the tritium-containing liquid waste in auxiliary water adsorbent bed be transferred at helium purification regenerative system gas water separator, most
Whole HTGR tritium-containing liquid waste is discharged into Spent Radioactive water system；Last auxiliary water adsorbent bed is cooled to room temperature.
Wherein it is preferred to the lower pressure is 0.5MPa-0.75MPa；The auxiliary water regeneration of adsorbent beds temperature is
200-350℃；Helium is cooled to 5 DEG C -25 DEG C by the helium purification regenerative system water/helium cooler.
Cleaning system and renovation process are optimized using helium of the present invention, can will directly contain tritium in water regeneration of adsorbent beds
Wastewater collection improves tritium-containing liquid waste and collects operational efficiency into helium purification regenerative system gas water separator；Meanwhile reduce dioxy
Change the regeneration temperature of carbon adsorption bed to 100-200 DEG C, improve HTGR helium optimization cleaning system carbon dioxide adsorption bed
Regeneration operational efficiency.The invention can ensure that HTGR coolant cleanup system Effec-tive Function, to HTGR technology
Realize that industrialization is significant.
Brief description of the drawings
Fig. 1 is that HTGR helium of the present invention optimizes cleaning system and renovation process schematic flow sheet.
Embodiment
Following examples are used to illustrate the present invention, but are not limited to the scope of the present invention.
A kind of HTGR helium optimization cleaning system of embodiment 1
A kind of HTGR helium optimizes cleaning system, as shown in figure 1, being adsorbed including CuO bed, the water being sequentially connected
Bed, carbon dioxide adsorption bed, low temperature active charcoal bed；
Wherein, water adsorbent bed is used to remove in helium tritium-containing liquid waste to below 0.1ppm；Carbon dioxide adsorption bed is used to remove
Carbon dioxide is to below 0.1ppm in helium.
Wherein, the water adsorbent bed, load 5A type zeolite molecular sieves in carbon dioxide adsorption bed.
Wherein, when helium optimization cleaning system normally purifies operation, water adsorbent bed and carbon dioxide adsorption bed operating temperature are equal
For 5-25 DEG C.
Cleaning system is optimized using helium described in embodiment 1, water and purifying carbon dioxide adsorbing separation cutting can be subjected to, kept away
Exempt from influence of the water to carbon dioxide adsorption performance, improve carbon dioxide adsorption efficiency.
Embodiment 2 is carried out using helium optimization cleaning system described in embodiment 1 to helium coolant in HTGR primary Ioops
Purification
Helium coolant purification process in HTGR primary Ioops is sketched using helium optimization cleaning system described in embodiment 1
It is as follows：
The cooling agent helium of primary Ioops flows into HTGR helium optimization cleaning system, helium optimization purification with 5%/h flows
Operating pressure is 3-7MPa.Fall solid particle by the removing of dust filter, 250 DEG C are heated to by electric heater, enter
Enter in CuO bed and hydrogen, tritium and carbon monoxide are oxidized to water, HTO and carbon dioxide respectively, and remove trace oxygen；Through
Cross medium temperature helium/helium heat exchanger and water/helium cooler is cooled to 10 DEG C, adsorbed subsequently into water adsorbent bed at about 10 DEG C and contain tritium
Waste water, enter back into carbon dioxide adsorption bed carbon dioxide removal and minor amount of water at about 10 DEG C；Pass through low temperature helium/helium heat exchange again
Device is cooled to about -160 DEG C, into low temperature active charcoal bed at about -196 DEG C absorption nitrogen, methane and radionuclide Kr, Xe etc.
And remaining gas impurity.
By purification method described in embodiment 2, each gaseous impurity content of HTGR primary Ioops can be removed to
Below 0.1ppm.
Embodiment 3 optimizes cleaning system reclaimed water adsorbent bed for helium described in embodiment 1 and carbon dioxide adsorption bed provides regeneration
Helium purification regenerative system
The helium purification regenerative system is by diaphragm type compressor, electric heater, water/helium cooler 1, gas water separator, auxiliary
Water adsorbent bed and the interior vacuum extractor composition for setting discharge pipeline；Water regeneration of adsorbent beds loop, carbon dioxide adsorption bed can be formed
Regenerative circuit, auxiliary water regeneration of adsorbent beds loop；
Wherein each regenerative circuit forms as follows：
(1) the water regeneration of adsorbent beds loop is：Water adsorbent bed is connected with helium purification regenerative system, by membrane compresses
Mechanical, electrical heater, water adsorbent bed, water/helium cooler 1, gas water separator are sequentially connected composition；
(2) regenerative circuit of the carbon dioxide adsorption bed is：By carbon dioxide adsorption bed and helium purification regenerative system phase
Even, by diaphragm type compressor, electric heater, carbon dioxide adsorption bed, water/helium cooler 1, gas water separator, auxiliary water adsorbent bed
It is sequentially connected composition；Preferably, water/helium cooler 1 it is gentle/separator at can also set one carry water/helium cooler 2 side
Road, and thus obtain by diaphragm type compressor, electric heater, carbon dioxide adsorption bed, water/helium cooler 2, auxiliary water adsorbent bed according to
The carbon dioxide adsorption bed regenerative circuit of secondary connection composition.
(3) the auxiliary water regeneration of adsorbent beds loop is：Auxiliary water regeneration of adsorbent beds is formed certainly by helium purification regenerative system
Circulation loop, it is sequentially connected by diaphragm type compressor, electric heater, auxiliary water adsorbent bed, water/helium cooler 1, gas water separator
Composition.
Filling has the adsorbent of strong suction-operated to water, HTO in the auxiliary water adsorbent bed, preferred zeolite molecular sieve, enters
The type zeolite molecular sieves such as one step preferred 3A, 4A, 5A, 10X, 13X.
The regeneration operation process of helium optimization cleaning system reclaimed water adsorbent bed described in the embodiment 1 of embodiment 4 be (tritium-containing liquid waste
Collect)
HTGR helium optimization cleaning system water regeneration of adsorbent beds technique be：Water regeneration of adsorbent beds loop is formed, and
Helium is filled to 0.6MPa to water regeneration of adsorbent beds loop, is started helium purification regenerative system diaphragm type compressor, is then started helium purification again
Raw system electric heater.Helium is after helium purification regenerative system diaphragm type compressor enters the heating of helium purification regenerative system electric heater
Into water adsorbent bed, water regeneration of adsorbent beds temperature reaches 250 DEG C, is cooled down subsequently into helium purification regenerative system water/helium cooler 1
To 10 DEG C, the condensation of saturation tritium-containing liquid waste is set to collect into helium purification regenerative system gas water separator, final tritium-containing liquid waste is discharged into height
Wet cold dome active-effluent system.Finally, water regeneration of adsorbent beds loop and water adsorbent bed, which cool and fill helium, is extremely more than 0.11MPa
It is standby.
, can be directly to containing tritium in coolant cleanup system using the regenerative system of water adsorbent bed by embodiment 4
Waste water is collected, and without transfer, operational efficiency is collected so as to improve HTGR tritium-containing liquid waste.
The regeneration operation process of carbon dioxide adsorption bed in helium optimization cleaning system described in the embodiment 1 of embodiment 5
HTGR helium optimizes cleaning system carbon dioxide adsorption bed regeneration technology：Form carbon dioxide adsorption bed again
Raw loop, and helium is filled to 0.6MPa to carbon dioxide adsorption bed regenerative circuit, start helium purification regenerative system diaphragm type compressor, so
Start helium purification regenerative system electric heater afterwards.Helium enters helium purification regenerative system through helium purification regenerative system diaphragm type compressor
Enter carbon dioxide adsorption bed after electric heater heating, carbon dioxide adsorption bed is heated to 150 DEG C, is regenerated subsequently into helium purification
System water/helium cooler 2 is cooled to 10 DEG C, adsorbs minor amount of water into auxiliary water adsorbent bed afterwards.In carbon dioxide adsorption bed temperature
Degree reaches 150 DEG C and keeps 5h, isolates auxiliary water adsorbent bed, carbon dioxide adsorption bed regenerative circuit and carbon dioxide adsorption bed exist
It is evacuated at 150 DEG C less than 100Pa；Last carbon dioxide adsorption bed regenerative circuit and carbon dioxide adsorption bed cool and fill helium
To being more than, 0.11MPa is standby.When auxiliary water adsorbent bed adsorption saturation, auxiliary water is inhaled by auxiliary water regeneration of adsorbent beds loop
Attached bed is regenerated.
Auxiliary water regeneration of adsorbent beds operation process is：Auxiliary water regeneration of adsorbent beds self circular loop is formed, is inhaled to auxiliary water
Helium is filled in attached bed regenerative circuit to 0.6MPa, starts helium purification regenerative system diaphragm type compressor, then starts helium purification regeneration system
System electric heater.Helium, by helium purification regenerative system electric heater, makes under the driving of helium purification regenerative system diaphragm type compressor
Auxiliary water regeneration of adsorbent beds temperature reaches 250 DEG C, is cooled to 10 DEG C subsequently into helium purification regenerative system water/helium cooler 1, makes
Saturation tritium-containing liquid waste in auxiliary water adsorbent bed is transferred at helium purification regenerative system gas water separator.
Compared compared to existing 250 DEG C of carbon dioxide absorber regeneration temperature, carbon dioxide absorber in the embodiment of the present invention 5
Regeneration temperature substantially reduces, and improves the regeneration operational efficiency of HTGR helium optimization cleaning system carbon dioxide adsorption bed.
Cleaning system and renovation process are optimized using HTGR helium of the present invention, it is high that HTGR can be achieved
Effect removes tritium-containing liquid waste and carbon dioxide to below 0.1ppm；By directly collecting tritium-containing liquid waste to water regeneration of adsorbent beds；And drop
Low carbon dioxide regeneration of adsorbent beds temperature.Therefore, improve tritium-containing liquid waste and collect operational efficiency and carbon dioxide adsorption operation again
Come into force rate, and ensures HTGR coolant cleanup system Effec-tive Function.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (21)
1. a kind of high temperature gas-cooled reactor coolant optimization cleaning system, it is characterised in that connected including water adsorbent bed, with water adsorbent bed
Carbon dioxide adsorption bed；
Wherein, water adsorbent bed is used to remove in helium tritium-containing liquid waste to below 0.1ppm；Carbon dioxide adsorption bed is used to remove in helium
Carbon dioxide is to below 0.1ppm；
Filling has the adsorbent of strong suction-operated to water, HTO in the water adsorbent bed；
Filling has the adsorbent of strong suction-operated to carbon dioxide in the carbon dioxide adsorption bed.
2. cleaning system according to claim 1, it is characterised in that filling zeolite molecular sieve in the water adsorbent bed.
3. cleaning system according to claim 2, it is characterised in that in the water adsorbent bed filling 3A, 4A, 5A, 10X or
13X type zeolite molecular sieves.
4. according to the cleaning system described in claims 1 to 3 any one, it is characterised in that in the carbon dioxide adsorption bed
Load zeolite molecular sieve.
5. cleaning system according to claim 4, it is characterised in that the interior filling 4A, 5A of the carbon dioxide adsorption bed,
10X or 13X type zeolite molecular sieves.
6. the operation method of high temperature gas-cooled reactor coolant optimization cleaning system described in a kind of Claims 1 to 5 any one, it is special
Sign is that the purification operating temperature of the water adsorbent bed and carbon dioxide adsorption bed is 5-25 DEG C.
7. a kind of optimize the helium that cleaning system provides regeneration for high temperature gas-cooled reactor coolant described in Claims 1 to 5 any one
Purifying regeneration system, it is characterised in that by diaphragm type compressor, electric heater, water/helium cooler 1, gas water separator, auxiliary water
Adsorbent bed and the interior vacuum extractor composition for setting discharge pipeline；Form water regeneration of adsorbent beds loop, the regeneration of carbon dioxide adsorption bed
Loop, auxiliary water regeneration of adsorbent beds loop；And it is equipped with vacuum extractor on each regenerative circuit.
8. helium purification regenerative system according to claim 7, it is characterised in that the water regeneration of adsorbent beds loop is：Will
Water adsorbent bed is connected with helium purification regenerative system, by diaphragm type compressor, electric heater, water adsorbent bed, water/helium cooler 1, gas/
Separator is sequentially connected composition.
9. helium purification regenerative system according to claim 7, it is characterised in that the carbon dioxide adsorption bed regenerative circuit
For：Carbon dioxide adsorption bed is connected with helium purification regenerative system, by diaphragm type compressor, electric heater, carbon dioxide adsorption bed,
Water/helium cooler 1, gas water separator, auxiliary water adsorbent bed are sequentially connected composition.
10. helium purification regenerative system according to claim 9, it is characterised in that water/helium cooler 1 it is gentle/water separation
One can be also set at device and carries the bypass of water/helium cooler 2, and thus obtains being inhaled by diaphragm type compressor, electric heater, carbon dioxide
Attached bed, water/helium cooler 2, auxiliary water adsorbent bed are sequentially connected the carbon dioxide adsorption bed regenerative circuit of composition.
11. helium purification regenerative system according to claim 7, it is characterised in that the auxiliary water regeneration of adsorbent beds loop
For：Auxiliary water regeneration of adsorbent beds self circular loop is formed by helium purification regenerative system, by diaphragm type compressor, electric heater, auxiliary
Water adsorbent bed, water/helium cooler 1, gas water separator are sequentially connected composition；
Wherein, filling has the adsorbent of strong suction-operated to water, HTO in the auxiliary water adsorbent bed.
12. helium purification regenerative system according to claim 11, it is characterised in that boiling is loaded in the auxiliary water adsorbent bed
Stone molecular sieve.
13. helium purification regenerative system according to claim 12, it is characterised in that loaded in the auxiliary water adsorbent bed
3A, 4A, 5A, 10X or 13X type zeolite molecular sieve.
14. the renovation process of any helium purification regenerative system of claim 7~13, it is characterised in that including water adsorbent bed
Regeneration operation process, carbon dioxide adsorption bed regeneration operation process and auxiliary water adsorbent bed regeneration operation process.
15. renovation process according to claim 14, it is characterised in that the water regeneration of adsorbent beds operation method is specific
For：Helium is filled into water regeneration of adsorbent beds loop to low pressure, starts helium purification regenerative system diaphragm type compressor, then starts helium purification
Regenerative system electric heater；Helium heats through helium purification regenerative system diaphragm type compressor into helium purification regenerative system electric heater
Enter water adsorbent bed afterwards, make its thermal regeneration at high temperature；From water adsorbent bed come out hot helium through helium purification regenerative system water/
Helium cooler 1 enters helium purification regenerative system gas water separator after cooling, wherein separated and collected after the condensation of saturation tritium-containing liquid waste,
It is ultimately discharged into HTGR active-effluent system；Finally, water regeneration of adsorbent beds loop and water adsorbent bed cool and fill helium extremely
It is standby more than 0.11MPa.
16. renovation process according to claim 15, it is characterised in that the lower pressure is 0.5MPa-0.75MPa；
The water regeneration of adsorbent beds temperature is 200-350 DEG C；The helium purification regenerative system water/helium cooler by helium be cooled to 5 DEG C-
25℃。
17. renovation process according to claim 14, it is characterised in that the carbon dioxide adsorption bed regenerates operation process
For：Helium is filled into carbon dioxide adsorption bed regenerative circuit to low pressure, starts helium purification regenerative system diaphragm type compressor, then starts
Helium purification regenerative system electric heater；Helium enters helium purification regenerative system electrical heating through helium purification regenerative system diaphragm type compressor
Enter carbon dioxide adsorption bed after device heating, make its thermal regeneration at the high regeneration temperatures；Come out from carbon dioxide adsorption bed
Hot helium enters auxiliary water adsorbent bed absorption minor amount of water after helium purification regenerative system water/helium cooler cooling；Isolate auxiliary water
Adsorbent bed, vacuum pumping is carried out to carbon dioxide adsorption bed regenerative circuit and carbon dioxide adsorption bed；Finally, carbon dioxide is inhaled
Attached bed cool and fill helium to be more than 0.11MPa it is standby.
18. renovation process according to claim 17, it is characterised in that the lower pressure is 0.5MPa-0.75MPa；
The carbon dioxide adsorption bed regeneration temperature is 100-350 DEG C；The helium purification regenerative system water/helium cooler cools helium
To 5 DEG C -25 DEG C；The actual conditions that vacuumizes is：Carbon dioxide adsorption bed is evacuated at 100 DEG C -200 DEG C to be less than
100Pa。
19. renovation process according to claim 18, it is characterised in that the carbon dioxide adsorption bed regeneration temperature is
100℃-200℃。
20. renovation process according to claim 14, it is characterised in that the auxiliary water regeneration of adsorbent beds operation process
For：Cooling agent optimization cleaning system is isolated with helium purification regenerative system, and forms auxiliary water regeneration of adsorbent beds self circular loop；
Helium is filled into auxiliary water regeneration of adsorbent beds loop to low pressure, starts helium purification regenerative system diaphragm type compressor, it is net then to start helium
Change regenerative system electric heater；Helium is under the driving of helium purification regenerative system diaphragm type compressor, by helium purification regenerative system electricity
Heater, auxiliary water adsorbent bed is set to regenerate under the high temperature conditions, the hot helium come out from auxiliary water adsorbent bed enters helium purification again
Raw system water/helium cooler 1 enters helium purification regenerative system gas water separator after cooling, and makes in auxiliary water adsorbent bed
Tritium-containing liquid waste is transferred at helium purification regenerative system gas water separator, and final HTGR tritium-containing liquid waste is discharged into Spent Radioactive
Water system；Last auxiliary water adsorbent bed is cooled to room temperature.
21. renovation process according to claim 20, it is characterised in that the lower pressure is 0.5MPa-0.75MPa；
The auxiliary water regeneration of adsorbent beds temperature is 200-350 DEG C；Helium is cooled to by the helium purification regenerative system water/helium cooler
5℃-25℃。
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|---|---|---|---|---|
| DE3345782A1 (en) * | 1983-12-17 | 1985-06-27 | BBC Aktiengesellschaft Brown, Boveri & Cie., Baden, Aargau | Process for the primary circuit decontamination of reactors |
| JP3945757B2 (en) * | 2002-04-15 | 2007-07-18 | 独立行政法人 日本原子力研究開発機構 | Method for separating and recovering radionuclide carbon 14 adsorbed on graphite structural material |
| KR20140132617A (en) * | 2013-05-08 | 2014-11-18 | 주식회사 디에스과학 | Portable apparatus for removing of radioactive noble gas |
| CN103440894A (en) * | 2013-08-12 | 2013-12-11 | 清华大学 | Process for treating high-ammonia radioactive wastewater by membrane absorbing method |
| CN103594136B (en) * | 2013-11-26 | 2016-01-20 | 清华大学 | A kind of high temperature gas cooled reactor coolant cleanup system and purification method |
| CN204966067U (en) * | 2015-08-04 | 2016-01-13 | 清华大学 | High temperature gas cooled cooling in heap but agent optimizes clean system and regeneration system |
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2015
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