JP2022147101A - 軽水炉ウラン燃料集合体及び核燃料サイクルの運用方法 - Google Patents
軽水炉ウラン燃料集合体及び核燃料サイクルの運用方法 Download PDFInfo
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- 239000000446 fuel Substances 0.000 title claims abstract description 133
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 title claims abstract description 61
- 229910052770 Uranium Inorganic materials 0.000 title claims abstract description 59
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 12
- 238000011017 operating method Methods 0.000 title 1
- LXQXZNRPTYVCNG-YPZZEJLDSA-N americium-241 Chemical compound [241Am] LXQXZNRPTYVCNG-YPZZEJLDSA-N 0.000 claims abstract description 107
- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 claims abstract description 26
- 229910052695 Americium Inorganic materials 0.000 claims abstract description 11
- LXQXZNRPTYVCNG-UHFFFAOYSA-N americium atom Chemical compound [Am] LXQXZNRPTYVCNG-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 4
- 238000012958 reprocessing Methods 0.000 claims description 33
- 239000002574 poison Substances 0.000 claims description 21
- 231100000614 poison Toxicity 0.000 claims description 21
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000002915 spent fuel radioactive waste Substances 0.000 claims description 7
- 239000000284 extract Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 8
- 230000000052 comparative effect Effects 0.000 description 24
- 239000002927 high level radioactive waste Substances 0.000 description 23
- 238000007792 addition Methods 0.000 description 16
- 238000001816 cooling Methods 0.000 description 15
- 230000007423 decrease Effects 0.000 description 13
- 230000007704 transition Effects 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 7
- CMIHHWBVHJVIGI-UHFFFAOYSA-N gadolinium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Gd+3].[Gd+3] CMIHHWBVHJVIGI-UHFFFAOYSA-N 0.000 description 7
- 238000009377 nuclear transmutation Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000605 extraction Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000004992 fission Effects 0.000 description 4
- 230000020169 heat generation Effects 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000005253 cladding Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000011824 nuclear material Substances 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000004017 vitrification Methods 0.000 description 3
- 229910001093 Zr alloy Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 2
- 230000005255 beta decay Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009375 geological disposal Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910052685 Curium Inorganic materials 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 150000001224 Uranium Chemical class 0.000 description 1
- 229910052768 actinide Inorganic materials 0.000 description 1
- 150000001255 actinides Chemical class 0.000 description 1
- 230000005262 alpha decay Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- NIWWFAAXEMMFMS-OIOBTWANSA-N curium-244 Chemical compound [244Cm] NIWWFAAXEMMFMS-OIOBTWANSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 229910001938 gadolinium oxide Inorganic materials 0.000 description 1
- 229940075613 gadolinium oxide Drugs 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- LFNLGNPSGWYGGD-IGMARMGPSA-N neptunium-237 Chemical compound [237Np] LFNLGNPSGWYGGD-IGMARMGPSA-N 0.000 description 1
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- OYEHPCDNVJXUIW-VENIDDJXSA-N plutonium-238 Chemical compound [238Pu] OYEHPCDNVJXUIW-VENIDDJXSA-N 0.000 description 1
- OYEHPCDNVJXUIW-OIOBTWANSA-N plutonium-241 Chemical compound [241Pu] OYEHPCDNVJXUIW-OIOBTWANSA-N 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
- JFALSRSLKYAFGM-AHCXROLUSA-N uranium-234 Chemical compound [234U] JFALSRSLKYAFGM-AHCXROLUSA-N 0.000 description 1
- JFALSRSLKYAFGM-YPZZEJLDSA-N uranium-236 Chemical compound [236U] JFALSRSLKYAFGM-YPZZEJLDSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/32—Apparatus for removing radioactive objects or materials from the reactor discharge area, e.g. to a storage place; Apparatus for handling radioactive objects or materials within a storage place or removing them therefrom
-
- 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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
- G21C3/326—Bundles of parallel pin-, rod-, or tube-shaped fuel elements comprising fuel elements of different composition; comprising, in addition to the fuel elements, other pin-, rod-, or tube-shaped elements, e.g. control rods, grid support rods, fertile rods, poison rods or dummy rods
-
- 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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
- G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/42—Reprocessing of irradiated fuel
- G21C19/44—Reprocessing of irradiated fuel of irradiated solid fuel
- G21C19/48—Non-aqueous processes
-
- 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
- G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21G—CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES
- G21G1/00—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes
- G21G1/02—Arrangements for converting chemical elements by electromagnetic radiation, corpuscular radiation or particle bombardment, e.g. producing radioactive isotopes in nuclear 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
- 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
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- 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)
- General Chemical & Material Sciences (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Abstract
Description
W<-0.006e2+0.12e-0.43(濃縮度5wt%以上)、
W<-0.000356e+0.00357(濃縮度4.2wt%以上で5.0wt%未満)
の範囲であることを特徴とする。
式<1> W<-0.006e2+0.12e-0.43(濃縮度5wt%以上)、
式<2> W<-0.000356e+0.00357(濃縮度4.2wt%以上で5.0wt%未満)
を適用する。
Am-241のウラン燃料への添加濃度Wの上限は次のような利点が得られることから範囲を限定している。
Claims (4)
- 複数の燃料棒を束ねて構成され、使用済み燃料の再処理時にアメリシウム同位体を抽出し、抽出したアメリシウム同位体を燃料に添加する核燃料サイクルに使用される軽水炉ウラン燃料集合体であって、
添加されるアメリシウム241の燃料重金属に対する重量割合W(wt%単位)が、燃料集合体の平均ウラン235濃縮度e(wt%単位)に対し、
W<-0.006e2+0.12e-0.43(濃縮度5wt%以上)、
W<-0.000356e+0.00357(濃縮度4.2wt%以上で5.0wt%未満)
の範囲であることを特徴とする軽水炉ウラン燃料集合体。
- 燃焼度の範囲が45GWd/t以上、60GWd/t以下であることを特徴とする請求項1記載の軽水炉ウラン燃料集合体。
- 核分裂性物質としてウラン同位体を含み毒物は含まないウラン燃料棒と、ウラン同位体と毒物の両方を含む毒物棒で構成され、添加されたアメリシウムはウラン燃料棒のみに含まれることを特徴とする請求項1又は2に記載の軽水炉ウラン燃料集合体
- 複数の燃料棒を束ねて構成された軽水炉ウラン燃料集合体を、一定の燃焼度まで炉心内で燃焼させた使用済み燃料集合体を、取り出して再処理する核燃料サイクルの運用方法であって、
再処理時に前記使用済み燃料集合体からアメリシウム同位体を抽出して、前記軽水炉ウラン燃料集合体に添加し、
添加するアメリシウム241の燃料重金属に対する重量割合W(wt%単位)が、燃料集合体の平均ウラン235濃縮度e(wt%単位)に対し、
W<-0.006e2+0.12e-0.43(濃縮度5wt%以上)、
W<-0.000356e+0.00357(濃縮度4.2wt%以上で5.0wt%未満)
の範囲であることを特徴とする核燃料サイクルの運用方法。
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JP2021048217A JP7447046B2 (ja) | 2021-03-23 | 2021-03-23 | 軽水炉ウラン燃料集合体及び核燃料サイクルの運用方法 |
KR1020210182601A KR102588913B1 (ko) | 2021-03-23 | 2021-12-20 | 경수로 우라늄 연료 집합체 및 핵연료 사이클의 운용 방법 |
CN202210019570.XA CN115116639A (zh) | 2021-03-23 | 2022-01-10 | 轻水反应堆铀燃料集合体及核燃料循环的运用方法 |
US17/587,315 US20220328204A1 (en) | 2021-03-23 | 2022-01-28 | Light water reactor uranium fuel assembly and operation method of nuclear fuel cycle |
FR2201041A FR3121263A1 (fr) | 2021-03-23 | 2022-02-07 | Assemblage de combustible d’uranium de réacteur à eau légère et procédé de fonctionnement d’un cycle de combustible nucléaire |
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FR (1) | FR3121263A1 (ja) |
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DE69119156T2 (de) * | 1990-08-03 | 1997-01-09 | Toshiba Kawasaki Kk | Die Transmutation transuranischer Elemente ermöglichender Reaktorkern, die Transmutation transuranischer Elemente ermöglichender Brennstab und die Transmutation transuranischer Elemente ermöglichendes Brennstabbündel |
JP3339768B2 (ja) * | 1995-09-28 | 2002-10-28 | 株式会社東芝 | 軽水型原子炉炉心 |
JP2006064678A (ja) | 2004-08-30 | 2006-03-09 | Toshiba Corp | 原子炉の燃料集合体配置方法、燃料棒および燃料集合体 |
JP4516085B2 (ja) | 2007-02-28 | 2010-08-04 | 株式会社日立製作所 | 軽水炉 |
KR100952275B1 (ko) | 2008-01-14 | 2010-04-12 | 한국원자력연구원 | 금속 핵연료의 제조 방법 |
KR102083877B1 (ko) | 2010-11-15 | 2020-03-03 | 아토믹 에너지 오브 캐나다 리미티드 | 재생 우라늄 및 감손 우라늄을 함유하는 핵연료, 핵연료 다발 및 그것을 포함하는 원자로 |
EP2869306A1 (en) | 2013-10-30 | 2015-05-06 | Thor Energy AS | A fuel assembly for a nuclear reactor |
JP2016109585A (ja) | 2014-12-08 | 2016-06-20 | 株式会社東芝 | 高速炉炉心および高速炉 |
JP7010711B2 (ja) * | 2018-01-24 | 2022-01-26 | 株式会社東芝 | 軽水炉の運転計画方法、軽水炉燃料の運用方法、軽水炉燃料集合体、および軽水炉炉心 |
FR3095889B1 (fr) * | 2019-05-10 | 2021-07-30 | Framatome Sa | Assemblage de combustible nucleaire pour reacteur a eau pressurisee et coeur de reacteur nucleaire contenant un tel assemblage |
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- 2021-12-20 KR KR1020210182601A patent/KR102588913B1/ko active IP Right Grant
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- 2022-01-10 CN CN202210019570.XA patent/CN115116639A/zh active Pending
- 2022-01-28 US US17/587,315 patent/US20220328204A1/en active Pending
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CN115116639A (zh) | 2022-09-27 |
JP7447046B2 (ja) | 2024-03-11 |
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US20220328204A1 (en) | 2022-10-13 |
KR20220132410A (ko) | 2022-09-30 |
FR3121263A1 (fr) | 2022-09-30 |
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