JP7578377B2 - 原子炉受動型反応度制御システム - Google Patents
原子炉受動型反応度制御システム Download PDFInfo
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- JP7578377B2 JP7578377B2 JP2023515587A JP2023515587A JP7578377B2 JP 7578377 B2 JP7578377 B2 JP 7578377B2 JP 2023515587 A JP2023515587 A JP 2023515587A JP 2023515587 A JP2023515587 A JP 2023515587A JP 7578377 B2 JP7578377 B2 JP 7578377B2
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- molten salt
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- 230000009257 reactivity Effects 0.000 title description 18
- 150000003839 salts Chemical class 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 10
- 239000000446 fuel Substances 0.000 claims description 10
- 150000002602 lanthanoids Chemical class 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000002826 coolant Substances 0.000 claims description 8
- 229910002804 graphite Inorganic materials 0.000 claims description 8
- 239000010439 graphite Substances 0.000 claims description 8
- 229910052747 lanthanoid Inorganic materials 0.000 claims description 8
- 150000003841 chloride salts Chemical class 0.000 claims description 5
- 229910052735 hafnium Inorganic materials 0.000 claims description 4
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052693 Europium Inorganic materials 0.000 claims description 3
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 claims description 3
- 239000000374 eutectic mixture Substances 0.000 claims description 3
- 229910001507 metal halide Inorganic materials 0.000 claims description 3
- 150000005309 metal halides Chemical class 0.000 claims description 3
- 229910052688 Gadolinium Inorganic materials 0.000 claims description 2
- 229910052772 Samarium Inorganic materials 0.000 claims description 2
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 claims description 2
- QHEDSQMUHIMDOL-UHFFFAOYSA-J hafnium(4+);tetrafluoride Chemical class F[Hf](F)(F)F QHEDSQMUHIMDOL-UHFFFAOYSA-J 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000002296 pyrolytic carbon Substances 0.000 claims description 2
- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 claims description 2
- 150000002222 fluorine compounds Chemical class 0.000 claims 1
- 239000007789 gas Substances 0.000 description 6
- YZCKVEUIGOORGS-NJFSPNSNSA-N Tritium Chemical compound [3H] YZCKVEUIGOORGS-NJFSPNSNSA-N 0.000 description 5
- 229910052722 tritium Inorganic materials 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 229910052770 Uranium Inorganic materials 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000004992 fission Effects 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical group [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 150000002751 molybdenum Chemical class 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 235000013024 sodium fluoride Nutrition 0.000 description 2
- 239000011775 sodium fluoride Substances 0.000 description 2
- SANRKQGLYCLAFE-UHFFFAOYSA-H uranium hexafluoride Chemical compound F[U](F)(F)(F)(F)F SANRKQGLYCLAFE-UHFFFAOYSA-H 0.000 description 2
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 2
- 229910052692 Dysprosium Inorganic materials 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- KBQHZAAAGSGFKK-UHFFFAOYSA-N dysprosium atom Chemical compound [Dy] KBQHZAAAGSGFKK-UHFFFAOYSA-N 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000005496 eutectics Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 239000011833 salt mixture Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/02—Control of nuclear reaction by using self-regulating properties of reactor materials, e.g. Doppler effect
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/22—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of a fluid or fluent neutron-absorbing material, e.g. by adding neutron-absorbing material to the coolant
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
- G21C7/24—Selection of substances for use as neutron-absorbing material
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C7/00—Control of nuclear reaction
- G21C7/32—Control of nuclear reaction by varying flow of coolant through the core by adjusting the coolant or moderator temperature
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/04—Thermal reactors ; Epithermal reactors
- G21C1/24—Homogeneous reactors, i.e. in which the fuel and moderator present an effectively homogeneous medium to the neutrons
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/243—Promoting flow of the coolant for liquids
- G21C15/247—Promoting flow of the coolant for liquids for liquid metals
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/26—Promoting flow of the coolant by convection, e.g. using chimneys, using divergent channels
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/44—Fluid or fluent reactor fuel
- G21C3/54—Fused salt, oxide or hydroxide compositions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S376/00—Induced nuclear reactions: processes, systems, and elements
- Y10S376/90—Particular material or material shapes for fission reactors
- Y10S376/901—Fuel
- Y10S376/902—Fuel with external lubricating or absorbing material
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Manufacture And Refinement Of Metals (AREA)
Description
原子炉の炉心は、フッ化ウランとフッ化ナトリウムの混合物を含む一連のモリブデンチューブから形成される。ウランはU235同位体で濃縮される。チューブはグラファイトブロック内のチャネルに配置され、冷却液がグラファイトとチューブの間のチャネルを上に向かって通過する。
原子炉の炉心は、フッ化ウランとフッ化ナトリウムの混合物を含む一連のモリブデンチューブから形成される。ウランはU235同位体で濃縮される。チューブはグラファイトブロック内のチャネルに配置され、冷却液がグラファイトとチューブの間のチャネルを下向きに通過する。
Claims (7)
- 受動型原子炉制御装置であって、
密閉容器であって、
リザーバと、
前記リザーバと流体連通しているチューブとを有する密閉容器と、
前記密閉容器内の溶融塩であって、前記溶融塩は
1価の金属ハロゲン化物、および
1つ以上のランタニドおよび/またはハフニウムのフッ化物または塩化物の共晶混合物である、溶融塩と、
前記密閉容器内の、前記溶融塩と反応しない気体と
を有する受動型原子炉制御装置。 - 前記密閉容器の内面は前記溶融塩によって濡れない、
請求項1に記載の受動型原子炉制御装置。 - 前記密閉容器の内面は熱分解炭素でコーティングされている、
請求項2に記載の受動型原子炉制御装置。 - 前記溶融塩は、ガドリニウム、ユーロピウム、サマリウム、またはハフニウムのいずれか1つ以上のフッ化物または塩化物を含む、
請求項1に記載の受動型原子炉制御装置。 - 炉心と、請求項1に記載の受動型原子炉制御装置とを含む原子炉であって、少なくとも前記密閉容器のチューブが前記炉心に伸びている、原子炉。
- 前記密閉容器のリザーバは、冷却材が前記炉心から前記密閉容器の前記リザーバに流れるように配置されている、請求項5に記載の原子炉。
- 前記炉心は、1つ以上の黒鉛ブロックと、前記1つ以上の黒鉛ブロック内の複数のチャネルとを有し、各チャネルは、核分裂性物質を含む燃料チューブと、少なくとも、請求項1に記載の前記受動型原子炉制御装置のチューブを含むチャネルのサブセットとを含む、請求項5に記載の原子炉。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GBGB2014182.6A GB202014182D0 (en) | 2020-09-09 | 2020-09-09 | Nuclear reactor passive reactivity control system |
| GB2014182.6 | 2020-09-09 | ||
| PCT/EP2021/074175 WO2022053374A1 (en) | 2020-09-09 | 2021-09-01 | Nuclear reactor passive reactivity control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2023540604A JP2023540604A (ja) | 2023-09-25 |
| JP7578377B2 true JP7578377B2 (ja) | 2024-11-06 |
Family
ID=72841434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2023515587A Active JP7578377B2 (ja) | 2020-09-09 | 2021-09-01 | 原子炉受動型反応度制御システム |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11862354B2 (ja) |
| EP (1) | EP4211704B1 (ja) |
| JP (1) | JP7578377B2 (ja) |
| KR (1) | KR20230065327A (ja) |
| CN (1) | CN116134550B (ja) |
| CA (1) | CA3192273A1 (ja) |
| GB (1) | GB202014182D0 (ja) |
| WO (1) | WO2022053374A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4272226A4 (en) * | 2020-12-31 | 2025-01-01 | Alpha Tech Research Corp | POOL-TYPE LIQUID METAL-COOLED MOLTEN SALT REACTOR |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130177120A1 (en) | 2011-12-06 | 2013-07-11 | Searete Llc | Apparatus and methods for controlling reactivity in a nuclear fission reactor, nuclear fission reactors, and methods of fabricating a reactivity control apparatus |
| WO2016059364A1 (en) | 2014-10-12 | 2016-04-21 | Ian Richard Scott | Reactivity control in a molten salt reactor |
| JP2017181445A (ja) | 2016-03-31 | 2017-10-05 | 株式会社東芝 | 可搬式原子炉およびその炉心 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1084255A (ja) * | 1963-10-30 | |||
| US3620315A (en) * | 1967-05-01 | 1971-11-16 | Atomic Energy Authority Uk | Nuclear reactor with oscillating liquid coolant moderator |
| FR2262853B1 (ja) * | 1974-02-28 | 1976-12-10 | Pechiney Ugine Kuhlmann | |
| JP3561328B2 (ja) * | 1995-05-29 | 2004-09-02 | 財団法人電力中央研究所 | 自己作動型炉停止装置 |
| JP3874309B2 (ja) * | 1995-08-28 | 2007-01-31 | 財団法人電力中央研究所 | 高速炉用自己作動型出力制御装置 |
| CN1155968C (zh) * | 1997-02-18 | 2004-06-30 | 国营莫斯科多金属工厂 | 水冷却容器式反应堆中的控制棒 |
| US9281083B2 (en) * | 2009-04-06 | 2016-03-08 | Terrapower, Llc | Traveling wave nuclear fission reactor, fuel assembly, and method of controlling burnup therein |
| RU2553468C2 (ru) * | 2009-11-06 | 2015-06-20 | ТерраПауэр, ЭлЭлСи | Системы и способы регулирования реактивности в реакторе ядерного деления |
| KR20170052701A (ko) * | 2010-11-15 | 2017-05-12 | 아토믹 에너지 오브 캐나다 리미티드 | 중성자 흡수제를 함유하는 핵연료 |
| US20130083878A1 (en) * | 2011-10-03 | 2013-04-04 | Mark Massie | Nuclear reactors and related methods and apparatus |
| GB201318470D0 (en) * | 2013-02-25 | 2013-12-04 | Scott Ian R | A practical molten salt fission reactor |
| CA2967473A1 (en) * | 2014-12-29 | 2016-07-07 | Terrapower, Llc | Nuclear materials processing |
| GB2543084A (en) * | 2015-10-08 | 2017-04-12 | Richard Scott Ian | Control of corrosion by molten salts |
| CA3045967C (en) * | 2016-12-22 | 2024-06-04 | Terrapower, Llc | Passive reactivity control in a nuclear fission reactor |
-
2020
- 2020-09-09 GB GBGB2014182.6A patent/GB202014182D0/en not_active Ceased
-
2021
- 2021-09-01 EP EP21770007.9A patent/EP4211704B1/en active Active
- 2021-09-01 CA CA3192273A patent/CA3192273A1/en active Pending
- 2021-09-01 KR KR1020237012095A patent/KR20230065327A/ko active Pending
- 2021-09-01 JP JP2023515587A patent/JP7578377B2/ja active Active
- 2021-09-01 CN CN202180061735.3A patent/CN116134550B/zh active Active
- 2021-09-01 US US18/044,479 patent/US11862354B2/en active Active
- 2021-09-01 WO PCT/EP2021/074175 patent/WO2022053374A1/en not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130177120A1 (en) | 2011-12-06 | 2013-07-11 | Searete Llc | Apparatus and methods for controlling reactivity in a nuclear fission reactor, nuclear fission reactors, and methods of fabricating a reactivity control apparatus |
| JP2015500993A (ja) | 2011-12-06 | 2015-01-08 | テラパワー, エルエルシー | 原子核分裂反応炉における反応度の制御装置および制御方法、原子核分裂反応炉、ならびに、反応度制御装置の製造方法 |
| WO2016059364A1 (en) | 2014-10-12 | 2016-04-21 | Ian Richard Scott | Reactivity control in a molten salt reactor |
| JP2017181445A (ja) | 2016-03-31 | 2017-10-05 | 株式会社東芝 | 可搬式原子炉およびその炉心 |
Also Published As
| Publication number | Publication date |
|---|---|
| GB202014182D0 (en) | 2020-10-21 |
| WO2022053374A1 (en) | 2022-03-17 |
| KR20230065327A (ko) | 2023-05-11 |
| EP4211704C0 (en) | 2024-10-16 |
| EP4211704A1 (en) | 2023-07-19 |
| CN116134550B (zh) | 2024-04-12 |
| US20230260668A1 (en) | 2023-08-17 |
| JP2023540604A (ja) | 2023-09-25 |
| EP4211704B1 (en) | 2024-10-16 |
| CA3192273A1 (en) | 2022-03-17 |
| CN116134550A (zh) | 2023-05-16 |
| US11862354B2 (en) | 2024-01-02 |
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