CN203596181U - High-temperature gas cooled reactor coolant purifying system - Google Patents
High-temperature gas cooled reactor coolant purifying system Download PDFInfo
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- CN203596181U CN203596181U CN201320763589.1U CN201320763589U CN203596181U CN 203596181 U CN203596181 U CN 203596181U CN 201320763589 U CN201320763589 U CN 201320763589U CN 203596181 U CN203596181 U CN 203596181U
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- reactor coolant
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- 239000002826 coolant Substances 0.000 title claims abstract description 18
- 239000001307 helium Substances 0.000 claims abstract description 207
- 229910052734 helium Inorganic materials 0.000 claims abstract description 207
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 204
- 238000000746 purification Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims abstract description 27
- 229910001868 water Inorganic materials 0.000 claims abstract description 23
- 239000002808 molecular sieve Substances 0.000 claims abstract description 22
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000004140 cleaning Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 150000002371 helium Chemical class 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical compound [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 16
- 239000012535 impurity Substances 0.000 description 14
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000005751 Copper oxide Substances 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 229910000431 copper oxide Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- OUCSEDFVYPBLLF-KAYWLYCHSA-N 5-(4-fluorophenyl)-1-[2-[(2r,4r)-4-hydroxy-6-oxooxan-2-yl]ethyl]-n,4-diphenyl-2-propan-2-ylpyrrole-3-carboxamide Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@H]2OC(=O)C[C@H](O)C2)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 OUCSEDFVYPBLLF-KAYWLYCHSA-N 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 229910052743 krypton Inorganic materials 0.000 description 2
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 229910052724 xenon Inorganic materials 0.000 description 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
A high-temperature gas cooled reactor coolant purifying system comprises a medium temperature helium/ helium heat exchanger, a low-temperature helium/helium heat exchanger and a helium purifying system low-temperature working section bypass, wherein the medium temperature helium/ helium heat exchanger is arranged between a pipeline filter and a water/helium heat exchanger and used for communicating the pipeline filter with the water/helium heat exchanger; the low-temperature helium/ helium heat exchanger is arranged between a molecular sieve bed and a low-temperature adsorber and used for communicating the molecular sieve bed with the low-temperature adsorber; the helium purifying system low-temperature working section bypass is arranged between the molecular sieve bed and the low-temperature helium/ helium heat exchanger, an adjusting valve F1 is arranged on the helium purifying system low-temperature working section bypass, in the normal working process, one fourth flow of helium enters the hot side of the low-temperature helium/helium heat exchanger through the adjustment of the adjusting valve F1, the outlet end of the helium purifying system low-temperature working section bypass is communicated with a purified helium outlet through the medium temperature helium/ helium heat exchanger, and the medium temperature helium/ helium heat exchanger is provided with a throttling valve F2 used for adjusting the helium flow of the whole helium purifying system. The high-temperature gas cooled reactor coolant purifying system further comprises a diaphragm compressor connected with the helium purifying system low-temperature working section bypass in parallel. The high-temperature gas cooled reactor coolant purifying system has the advantages of being low in liquid nitrogen consumption, adjustable in purification flow, good in purifying performance, and small in system resistance.
Description
Technical field
The utility model relates to reactor engineering coolant cleanup system and purification method technical field, is specifically related to a kind of high temperature gas cooled reactor coolant cleanup system.
Background technology
High temperature gas cooled reactor be take graphite as moderator, helium is the high-temperature reactor of cooling medium, is that one has that inherent safety, generating efficiency are high, purposes advanced nuclear reactor very widely.In high temperature nuclear reactor operational process, due to nuclear fuel nucleic fission, the micro-leakage of steam generator, fuel handling system atmosphere is switched, and fresh fuel such as packs at the reason, can make the impurity concentration in a circuit cools agent helium increase.These impurity comprise carbon monoxide, carbon dioxide, nitrogen, oxygen, methane, hydrogen, water, krypton, xenon etc.Impurity is mainly manifested in 3 aspects to reactor hazard, and first water impurity and oxygen can be to fuel element and graphite component corrosion, and secondly impurities H infiltrates hardware in heap, produces hydrogen embrittlement and decarburization phenomenon, causes producing corrosion and crackle, and the higher process of temperature is faster.In addition, impurity krypton and xenon raise reactor-loop radioactive level.So the control of impurity level is directly related with reactor safety reliability service.Therefore must utilize certain helium purification technology that impurity is reduced to certain level.
Existing Helium purification system exists following not enough:
(1) liquid nitrogen consumption is huge, less economical;
(2) purification flow rate is not easy to regulate;
(3) do not consider heat (or cold) to reclaim, energy utilization efficiency is low;
(4) operating pressure is low, is up to 3.5MPa;
(5) purification flow rate is low, is up to 40kg/h;
(6) purifying property is lower;
(7) SR is large, less economical.
Summary of the invention
In order to solve above-mentioned problems of the prior art, the purpose of this utility model is to provide a kind of high temperature gas cooled reactor coolant cleanup system, has the advantages that liquid nitrogen consumption is low, purification flow rate is adjustable, purifying property is good and SR is little.
For achieving the above object, the utility model adopts following technical scheme:
A kind of high temperature gas cooled reactor coolant cleanup system, comprise the dust filtrator being communicated with successively, well heater, CuO bed, line strainer, water/helium heat exchanger, moisture trap, molecular sieve bed and low-temperature adsorber, also comprise the middle temperature helium/helium heat exchanger that is arranged between line strainer and water/helium heat exchanger and is communicated with the two, be arranged between molecular sieve bed and low-temperature adsorber and be communicated with the two low temperature helium/helium heat exchanger, also comprise the Helium purification system low-temperature working section bypass being arranged between molecular sieve bed and low temperature helium/helium heat exchanger, in this Helium purification system low-temperature working section bypass, variable valve F1 is set, when normal work, by variable valve, F1 regulates, make the helium of 1/4 flow enter low temperature helium/helium heat exchanger heat side, the endpiece of described Helium purification system low-temperature working section bypass is communicated with and is purified rear helium outlet by middle temperature helium/helium heat exchanger, also be provided with the throttling valve F2 of the helium gas flow that regulates whole Helium purification system at described middle temperature helium/helium heat exchanger, also comprise the diaphragm type compressor with Helium purification system low-temperature working section bypass parallel connection.
Described middle temperature helium/helium heat exchanger, low temperature helium/helium heat exchanger and water/helium heat exchanger adopt shell-and-tube heat exchanger or double-pipe exchanger.
Described water/helium heat exchanger adopts chilled water as heat eliminating medium.
Internal diameter of the pipeline in described cleaning system increases to 40mm.
The ratio of height to diameter of the filler part of described molecular sieve bed, CuO bed and low-temperature adsorber is 3.5～4.5.
Described low-temperature adsorber is made up of liquid nitrogen tank and the cryosorption bed that is arranged on its bottom.
The purification method of cleaning system described above, in the time that high temperature gas cooled reactor is normally moved, the normal driving force that purifies helium gas flow in row is the pressure head of reactor Helium fan, stop transport and Helium purification system while needing work when reactor Helium fan, use the driving force of diaphragm type compressor as helium gas flow; Concrete grammar is as follows:
Helium to be clean is first by dust filtrator, filter out the solid granulates that more than 95% yardstick is greater than 1 μ m, then the electric heater of flowing through is heated to 220 ℃～280 ℃ that adapt with CuO bed working temperature, when helium flow peroxidating solid brass bed, and wherein contained impurity H
2, CO reacts and is converted to H with copper oxide particle in CuO bed
2o and CO
2, impurity oxygen is reacted and is removed with the copper in copper oxide particle, the helium flowing out from CuO bed is subsequently after line strainer filters, enter the hot side of middle temperature helium/helium heat exchanger, temperature be 220 ℃～280 ℃ helium by the room temperature helium gas cooling to 80 ℃ that has been cleaned of warm helium/helium heat exchanger cold side, heat is recovered, helium after cooling, helium flow is further cooled to and is approached 10 ℃ through water/helium heat exchanger subsequently, the helium that approaches 10 ℃ flows into moisture trap immediately, by the isolated water of moisture trap discharged to unwatering system, entered molecular sieve bed by the isolated helium of moisture trap, H2O and CO2 in molecular sieve bed absorption helium, subsequently, by variable valve, F1 regulates, helium 1/4 flow flowing out from molecular sieve bed enters low temperature helium/helium heat exchanger heat side, temperature will drop to-165 ℃ from 10 ℃, the cold that has reclaimed low temperature helium/helium heat exchanger cold side helium, the helium temperature that low temperature helium/helium heat exchanger cold side reverse direction flow is crossed will be raised to 3 ℃ from-165 ℃, the helium that is cooled to subsequently-165 ℃ flows into the cryosorption bed in low-temperature adsorber, is further cooled to-185 ℃～-195 ℃, and in cryosorption bed, nitrogen, methane and inert gas impurity are adsorbed and stay in low-temperature adsorber, the helium finally flowing out from cryosorption bed is through low temperature helium/helium heat exchanger tube inner flow passage, temperature is raised to～and 3 ℃, another 3/4 helium flow of not crossing low temperature helium/helium heat exchanger and cryosorption bed with bypass merges into room temperature helium, and in the warp that directly refluxes, warm helium/helium heat exchanger goes to a loop.
Compared to the prior art, tool has the following advantages the utility model:
1), by middle temperature helium/helium heat exchanger and low temperature helium/helium heat exchanger are set, reclaim heat and cold, improve capacity usage ratio.
2), by the bypass of Helium purification system low-temperature working section is set, and variable valve F1 is set thereon, the helium flow amount that flows through low-temperature adsorber can be regulated between 37.5～150kg/h.When normal operation, the helium flow amount that flows through low-temperature adsorber is chosen to be 1/4 of Helium purification system purification flow rate conventionally ,～37.5kg/h, so effective saving liquid nitrogen consumption; The room temperature pipeline section of another External System, one throttling valve F2 is set, in order to regulate by the flow of whole Helium purification system, and existing cleaning system when from reactor-loop in the time that cleaning system is discharged whole helium to helium supply and storage system, the full purification flow rate of need pass through low-temperature adsorber.
3) strengthen system pipeline internal diameter to 40mm, reduce SR to 200kPa, improved system running pressure, reach as high as 8.1MPa.
4) increase filtering element quantity in filter apparatus, filtering accuracy is designed to 1 micron, has reduced equipment resistance, has improved purifying property.
5) ratio of height to diameter of the filler part of key equipment molecular sieve bed, CuO bed and low-temperature adsorber designs in 3.5 to 4.5 scope.Air speed design is less than 20h
-1, wherein CuO bed is 16.5h
-1, molecular sieve bed is 3.7h
-1, low-temperature adsorber is 2.2h
-1.Can make the impurity in refrigeratory fully be adsorbed and be cleaned compared with low air speed.And air speed is low while also making cooling medium flow through these equipment, and resistance is little.
In a word, the system purification flow of the utility model system can move within the scope of 0 to 600kg/h, and typical decontamination flow is 150kg/h.Improved system purification performance, in entrance helium, impurity scope 0.1～5000PPMV, can be sanitised to below 0.1PPMV, has improved economy.
Accompanying drawing explanation
Accompanying drawing is the utility model cleaning system and purification method process flow diagram.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
As shown in drawings, a kind of high temperature gas cooled reactor coolant cleanup system of the utility model, comprises the dust filtrator, well heater, CuO bed, line strainer, middle temperature helium/helium heat exchanger, water/helium heat exchanger, moisture trap, molecular sieve bed, low temperature helium/helium heat exchanger and the low-temperature adsorber that are communicated with successively; Low-temperature adsorber is made up of liquid nitrogen tank and the cryosorption bed that is arranged on its bottom.Between molecular sieve bed and low temperature helium/helium heat exchanger, be provided with the bypass of Helium purification system low-temperature working section, in this Helium purification system low-temperature working section bypass, variable valve F1 is set, when normal work, by variable valve, F1 regulates, make the helium of 1/4 flow enter low temperature helium/helium heat exchanger heat side, the endpiece of described Helium purification system low-temperature working section bypass is communicated with and is purified rear helium outlet by middle temperature helium/helium heat exchanger; Also be provided with the throttling valve F2 of the helium gas flow that regulates whole Helium purification system at described middle temperature helium/helium heat exchanger; Also comprise and the diaphragm type compressor of Helium purification system low-temperature working section bypass parallel connection, this diaphragm type compressor is for when the stoppage in transit of reactor Helium fan and Helium purification system while needing work, as the driving force of helium gas flow.
As preferred implementation of the present utility model, described middle temperature helium/helium heat exchanger, low temperature helium/helium heat exchanger and water/helium heat exchanger adopt shell-and-tube heat exchanger or double-pipe exchanger.The present embodiment adopts double-pipe exchanger.
As preferred implementation of the present utility model, described water/helium heat exchanger adopts chilled water as heat eliminating medium.
As preferred implementation of the present utility model, the internal diameter of the pipeline in described cleaning system increases to 40mm.
As preferred implementation of the present utility model, the ratio of height to diameter of the filler part of described molecular sieve bed, CuO bed and low-temperature adsorber is 3.5～4.5.The present embodiment ratio of height to diameter is 4.0.
As shown in Figure 1, the purification method of the utility model cleaning system, in the time that high temperature gas cooled reactor is normally moved, the normal driving force that purifies helium gas flow in row is the pressure head of reactor Helium fan, stop transport and Helium purification system while needing work when reactor Helium fan, use the driving force of diaphragm type compressor as helium gas flow; Concrete grammar is as follows:
Helium to be clean is first by dust filtrator, filter out the solid granulates that more than 95% yardstick is greater than 1 μ m, then the electric heater of flowing through is heated to 250 ℃ ℃ that adapt with CuO bed working temperature, when helium flow peroxidating solid brass bed, and wherein contained impurity H
2, CO reacts and is converted to H with copper oxide particle in CuO bed
2o and CO
2, impurity oxygen is reacted and is removed with the copper in copper oxide particle; The helium flowing out from CuO bed is subsequently after line strainer filters, enter the hot side of middle temperature helium/helium heat exchanger, temperature be 250 ℃ helium by the room temperature helium gas cooling to 80 ℃ that has been cleaned of warm helium/helium heat exchanger cold side, heat is recovered, helium after cooling, helium flow is further cooled to and is approached 10 ℃ through water/helium heat exchanger subsequently, the helium that approaches 10 ℃ flows into moisture trap immediately, by the isolated water of moisture trap discharged to unwatering system, entered molecular sieve bed by the isolated helium of moisture trap, the H in molecular sieve bed absorption helium
2o and CO
2; Subsequently, by variable valve, F1 regulates, helium 1/4 flow flowing out from molecular sieve bed is that 37.5kg/h enters low temperature helium/helium heat exchanger heat side, temperature will drop to-165 ℃ from 10 ℃, the cold that has reclaimed low temperature helium/helium heat exchanger cold side helium, the helium temperature that low temperature helium/helium heat exchanger cold side reverse direction flow is crossed will be raised to 3 ℃ from-165 ℃; The helium that is cooled to subsequently-165 ℃ flows into the cryosorption bed in low-temperature adsorber, is further cooled to-190 ℃, and in cryosorption bed, nitrogen, methane and inert gas impurity are adsorbed and stay in low-temperature adsorber; The helium finally flowing out from cryosorption bed is through low temperature helium/helium heat exchanger tube inner flow passage, temperature is raised to～and 3 ℃, another 3/4 helium flow of not crossing low temperature helium/helium heat exchanger and cryosorption bed with bypass merges into room temperature helium, and in the warp that directly refluxes, warm helium/helium heat exchanger goes to a loop.
Claims (6)
1. a high temperature gas cooled reactor coolant cleanup system, comprise the dust filtrator being communicated with successively, well heater, CuO bed, line strainer, water/helium heat exchanger, moisture trap, molecular sieve bed and low-temperature adsorber, it is characterized in that: also comprise the middle temperature helium/helium heat exchanger that is arranged between line strainer and water/helium heat exchanger and is communicated with the two, be arranged between molecular sieve bed and low-temperature adsorber and be communicated with the two low temperature helium/helium heat exchanger, also comprise the Helium purification system low-temperature working section bypass being arranged between molecular sieve bed and low temperature helium/helium heat exchanger, in this Helium purification system low-temperature working section bypass, variable valve F1 is set, when normal work, by variable valve, F1 regulates, make the helium of 1/4 flow enter low temperature helium/helium heat exchanger heat side, the endpiece of described Helium purification system low-temperature working section bypass is communicated with and is purified rear helium outlet by middle temperature helium/helium heat exchanger, also be provided with the throttling valve F2 of the helium gas flow that regulates whole Helium purification system at described middle temperature helium/helium heat exchanger, also comprise the diaphragm type compressor with Helium purification system low-temperature working section bypass parallel connection.
2. a kind of high temperature gas cooled reactor coolant cleanup system according to claim 1, is characterized in that: described middle temperature helium/helium heat exchanger, low temperature helium/helium heat exchanger and water/helium heat exchanger adopt shell-and-tube heat exchanger or double-pipe exchanger.
3. a kind of high temperature gas cooled reactor coolant cleanup system according to claim 1, is characterized in that: described water/helium heat exchanger adopts chilled water as heat eliminating medium.
4. a kind of high temperature gas cooled reactor coolant cleanup system according to claim 1, is characterized in that: the internal diameter of the pipeline in described cleaning system increases to 40mm.
5. a kind of high temperature gas cooled reactor coolant cleanup system according to claim 1, is characterized in that: the ratio of height to diameter of the filler part of described molecular sieve bed, CuO bed and low-temperature adsorber is 3.5～4.5.
6. a kind of high temperature gas cooled reactor coolant cleanup system according to claim 1, is characterized in that: described low-temperature adsorber is made up of liquid nitrogen tank and the cryosorption bed that is arranged on its bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763589.1U CN203596181U (en) | 2013-11-26 | 2013-11-26 | High-temperature gas cooled reactor coolant purifying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320763589.1U CN203596181U (en) | 2013-11-26 | 2013-11-26 | High-temperature gas cooled reactor coolant purifying system |
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| Publication Number | Publication Date |
|---|---|
| CN203596181U true CN203596181U (en) | 2014-05-14 |
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| CN201320763589.1U Expired - Lifetime CN203596181U (en) | 2013-11-26 | 2013-11-26 | High-temperature gas cooled reactor coolant purifying system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594136A (en) * | 2013-11-26 | 2014-02-19 | 清华大学 | High temperature gas cooled reactor coolant purification system and purification method |
| CN109859868A (en) * | 2019-01-10 | 2019-06-07 | 中国原子能科学研究院 | A kind of high temperature lithium circuit purification hot trap system |
-
2013
- 2013-11-26 CN CN201320763589.1U patent/CN203596181U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103594136A (en) * | 2013-11-26 | 2014-02-19 | 清华大学 | High temperature gas cooled reactor coolant purification system and purification 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 |
| CN109859868A (en) * | 2019-01-10 | 2019-06-07 | 中国原子能科学研究院 | A kind of high temperature lithium circuit purification hot trap system |
| CN109859868B (en) * | 2019-01-10 | 2024-05-10 | 中国原子能科学研究院 | Hot trap system for purifying high-temperature lithium loop |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210114 Address after: 100193 building 26, Zhongguancun Software Park, 8 Dongbeiwang West Road, Haidian District, Beijing Patentee after: CHINERGY Co.,Ltd. Address before: 100084, Haidian District, 100084 mailbox, 82 boxes, Tsinghua University patent office, Beijing Patentee before: TSINGHUA University |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140514 |