JP7390212B2 - 原子炉および原子炉の制御方法 - Google Patents
原子炉および原子炉の制御方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 11
- 239000003758 nuclear fuel Substances 0.000 claims description 54
- 239000006096 absorbing agent Substances 0.000 claims description 19
- 239000000463 material Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 230000007423 decrease Effects 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 12
- 239000007787 solid Substances 0.000 claims description 11
- 238000013459 approach Methods 0.000 claims description 6
- 230000004992 fission Effects 0.000 claims description 6
- 239000000446 fuel Substances 0.000 description 53
- 239000003507 refrigerant Substances 0.000 description 27
- 230000009257 reactivity Effects 0.000 description 16
- 230000000694 effects Effects 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000010248 power generation Methods 0.000 description 8
- 239000000284 extract Substances 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
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- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 229910021389 graphene Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 description 1
- OYEHPCDNVJXUIW-FTXFMUIASA-N 239Pu Chemical compound [239Pu] OYEHPCDNVJXUIW-FTXFMUIASA-N 0.000 description 1
- -1 241) Chemical compound 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052776 Thorium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001956 neutron scattering Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 239000000941 radioactive substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- JFALSRSLKYAFGM-OIOBTWANSA-N uranium-235 Chemical compound [235U] JFALSRSLKYAFGM-OIOBTWANSA-N 0.000 description 1
Images
Classifications
-
- 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
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C11/00—Shielding structurally associated with the reactor
- G21C11/06—Reflecting shields, i.e. for minimising loss of 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
- G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
- G21C15/04—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from fissile or breeder material
-
- 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
-
- 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
- G21C15/257—Promoting flow of the coolant using heat-pipes
-
- 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
- G21C7/08—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 solid control elements, e.g. control rods
-
- 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
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/001—Computer implemented control
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
1A 核燃料
2 遮へい部
3 熱伝導部
4 制御部
4A 中性子吸収体
11 原子炉
Claims (9)
- 核燃料を有する炉心と、
前記炉心の周囲を覆い放射線を遮へいする遮へい部と、
前記炉心で発生した熱を前記遮へい部の外部に伝える熱伝導部と、
を含み、
運転期間中は、前記核燃料の温度が所定値まで上昇すると共鳴領域での中性子の捕獲に伴う核分裂反応の低下に則った運転サイクルを継続させ、前記運転サイクルは、前記核燃料の温度が所定値まで低下した時点とする、原子炉。 - 運転期間中において、前記核燃料の核分裂性物質の重量密度を5wt%以上とし、炉心温度を350℃以上とし、前記核分裂性物質の減損量が運転開始時の1/3を下回らないように熱出力および運転期間を制限する、請求項1に記載の原子炉。
- 中性子吸収体を前記炉心に対して接近または離隔可能に設けられた制御部を含み、
運転停止した後の運転開始時において前の前記運転期間よりも前記中性子吸収体を前記炉心から離隔させる、請求項1または2に記載の原子炉。 - 前記熱伝導部は、固体熱伝導により前記核燃料の熱を前記遮へい部の外部に伝える、請求項1から3のいずれか1つに記載の原子炉。
- 前記遮へい部は、放射線を反射する反射機能を含む、請求項1から4のいずれか1つに記載の原子炉。
- 前記炉心は、前記核燃料の周囲を覆う減速材を含む、請求項1から5のいずれか1つに記載の原子炉。
- 中性子吸収体を前記炉心に対して接近または離隔可能に設けられた制御部を含み、
運転期間中は前記制御部による制御を実施しない、請求項1から6のいずれか1つに記載の原子炉。 - 核燃料を有する炉心と、
前記炉心の周囲を覆い放射線を遮へいする遮へい部と、
前記炉心で発生した熱を前記遮へい部の外部に伝える熱伝導部と、
を含む原子炉の制御方法であって、
運転期間中は、前記核燃料の温度が所定値まで上昇すると共鳴領域での中性子の捕獲に伴う核分裂反応の低下に則った運転サイクルを継続させ、前記運転サイクルは、前記核燃料の温度が所定値まで低下した時点とする、原子炉の制御方法。 - 中性子吸収体を前記炉心に対して接近または離隔可能に設け、
運転停止した後の運転開始時において前の前記運転期間よりも前記中性子吸収体を前記炉心から離隔させる、請求項8に記載の原子炉の制御方法。
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JP2020033419A JP7390212B2 (ja) | 2020-02-28 | 2020-02-28 | 原子炉および原子炉の制御方法 |
PCT/JP2020/039284 WO2021171689A1 (ja) | 2020-02-28 | 2020-10-19 | 原子炉および原子炉の制御方法 |
US17/802,353 US20230110039A1 (en) | 2020-02-28 | 2020-10-19 | Nuclear reactor and control method for nuclear reactor |
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JP2020033419A JP7390212B2 (ja) | 2020-02-28 | 2020-02-28 | 原子炉および原子炉の制御方法 |
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JP2021135238A JP2021135238A (ja) | 2021-09-13 |
JP2021135238A5 JP2021135238A5 (ja) | 2022-12-14 |
JP7390212B2 true JP7390212B2 (ja) | 2023-12-01 |
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US (1) | US20230110039A1 (ja) |
JP (1) | JP7390212B2 (ja) |
WO (1) | WO2021171689A1 (ja) |
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US20240170168A1 (en) * | 2022-11-19 | 2024-05-23 | Westinghouse Electric Company Llc | Solid-state fluid thermal bonded heat pipe micro-reactor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004093141A (ja) | 2002-08-29 | 2004-03-25 | Mitsubishi Heavy Ind Ltd | 原子炉 |
JP2012168100A (ja) | 2011-02-16 | 2012-09-06 | Tokyo Institute Of Technology | 原子炉および発電設備 |
JP2014119429A (ja) | 2012-12-19 | 2014-06-30 | Toshiba Corp | 熔融塩炉 |
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US4285769A (en) * | 1978-10-19 | 1981-08-25 | General Electric Company | Control cell nuclear reactor core |
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- 2020-10-19 US US17/802,353 patent/US20230110039A1/en active Pending
- 2020-10-19 WO PCT/JP2020/039284 patent/WO2021171689A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004093141A (ja) | 2002-08-29 | 2004-03-25 | Mitsubishi Heavy Ind Ltd | 原子炉 |
JP2012168100A (ja) | 2011-02-16 | 2012-09-06 | Tokyo Institute Of Technology | 原子炉および発電設備 |
JP2014119429A (ja) | 2012-12-19 | 2014-06-30 | Toshiba Corp | 熔融塩炉 |
Non-Patent Citations (1)
Title |
---|
T.A. Taiwo、R.N. Hill、R.N. Hill,A Feasibility Study of Reactor-Based Deep-Burn Concepts,[オンライン],T.K. Kim,2005年08月31日,R.N. Hill、37-38,インターネット:<URL:https://www.semanticscholar.org/paper/A-feasibility-study-of-reactor-based-deep-burn-Kim-Taiwo/b82d0137213a490a57681a461309b5582f2211cc> |
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WO2021171689A1 (ja) | 2021-09-02 |
US20230110039A1 (en) | 2023-04-13 |
JP2021135238A (ja) | 2021-09-13 |
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