JP7474675B2 - 原子炉 - Google Patents
原子炉 Download PDFInfo
- Publication number
- JP7474675B2 JP7474675B2 JP2020169941A JP2020169941A JP7474675B2 JP 7474675 B2 JP7474675 B2 JP 7474675B2 JP 2020169941 A JP2020169941 A JP 2020169941A JP 2020169941 A JP2020169941 A JP 2020169941A JP 7474675 B2 JP7474675 B2 JP 7474675B2
- Authority
- JP
- Japan
- Prior art keywords
- fuel
- layer
- section
- heat
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000000446 fuel Substances 0.000 claims description 172
- 239000006096 absorbing agent Substances 0.000 claims description 28
- 239000007787 solid Substances 0.000 claims description 11
- 229910052770 Uranium Inorganic materials 0.000 claims description 6
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 claims description 6
- 239000003507 refrigerant Substances 0.000 description 39
- 239000003758 nuclear fuel Substances 0.000 description 21
- 238000013459 approach Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 230000009257 reactivity Effects 0.000 description 12
- 229910002804 graphite Inorganic materials 0.000 description 8
- 239000010439 graphite Substances 0.000 description 8
- 230000002093 peripheral effect Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 239000002826 coolant Substances 0.000 description 6
- 230000005855 radiation Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 229910021389 graphene Inorganic materials 0.000 description 4
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 125000004432 carbon atom Chemical group C* 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material 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
- 239000000843 powder Substances 0.000 description 1
- 239000012857 radioactive material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Images
Classifications
-
- 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
- G21C3/02—Fuel elements
- G21C3/04—Constructional details
- G21C3/16—Details of the construction within the casing
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
-
- 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
- G21C15/12—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from pressure vessel; from containment vessel
-
- 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
- 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
- G21C3/36—Assemblies of plate-shaped fuel elements or coaxial tubes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C5/00—Moderator or core structure; Selection of materials for use as moderator
- G21C5/02—Details
- G21C5/06—Means for locating or supporting fuel elements
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
3A 熱伝導層
4 制御機構
4A 制御ドラム
4B 制御板
4C 制御棒
11 原子炉
Claims (8)
- 環状の燃料層と、
前記燃料層に積層されて前記燃料層の外周に延出する熱伝導層と、
を含み、
前記燃料層と、前記熱伝導層とが1つのユニットとして構成され、前記ユニットが複数積層される、原子炉。 - 環状の燃料層と、
前記燃料層に積層されて前記燃料層の外周に延出する熱伝導層と、
を含み、
前記燃料層の環状の内側に配置される制御機構を含む、原子炉。 - 前記制御機構は、前記燃料層の内面に対して中性子吸収体を回転により接近または離隔する、請求項2に記載の原子炉。
- 前記制御機構は、前記燃料層の内面に対して中性子吸収体をスライドにより接近または離隔する、請求項2に記載の原子炉。
- 前記制御機構は、前記燃料層の環状に対して中性子吸収体を抜き差しする、請求項2に記載の原子炉。
- 環状の燃料層と、
前記燃料層に積層されて前記燃料層の外周に延出する熱伝導層と、
を含み、
異なる径を有する2以上の前記熱伝導層が適用可能である、原子炉。 - 環状の燃料層と、
前記燃料層に積層されて前記燃料層の外周に延出する熱伝導層と、
を含み、
前記燃料層は、径方向にウラン濃縮度分布を設ける、原子炉。 - 前記熱伝導層は、固体熱伝導により前記燃料層の熱を外部に伝える、請求項1から7のいずれか1項に記載の原子炉。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020169941A JP7474675B2 (ja) | 2020-10-07 | 2020-10-07 | 原子炉 |
US18/026,007 US20240013938A1 (en) | 2020-10-07 | 2021-09-15 | Nuclear reactor |
PCT/JP2021/033941 WO2022075023A1 (ja) | 2020-10-07 | 2021-09-15 | 原子炉 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020169941A JP7474675B2 (ja) | 2020-10-07 | 2020-10-07 | 原子炉 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022061791A JP2022061791A (ja) | 2022-04-19 |
JP7474675B2 true JP7474675B2 (ja) | 2024-04-25 |
Family
ID=81125956
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020169941A Active JP7474675B2 (ja) | 2020-10-07 | 2020-10-07 | 原子炉 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20240013938A1 (ja) |
JP (1) | JP7474675B2 (ja) |
WO (1) | WO2022075023A1 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2551892B2 (ja) | 1992-01-18 | 1996-11-06 | 動力炉・核燃料開発事業団 | 高速炉の中空炉心 |
JP2000284084A (ja) | 1999-03-31 | 2000-10-13 | Japan Atom Energy Res Inst | 高温ガス炉用燃料棒 |
JP2004294250A (ja) | 2003-03-27 | 2004-10-21 | Tokyo Inst Of Technol | 炉心冷却構造 |
-
2020
- 2020-10-07 JP JP2020169941A patent/JP7474675B2/ja active Active
-
2021
- 2021-09-15 US US18/026,007 patent/US20240013938A1/en active Pending
- 2021-09-15 WO PCT/JP2021/033941 patent/WO2022075023A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2551892B2 (ja) | 1992-01-18 | 1996-11-06 | 動力炉・核燃料開発事業団 | 高速炉の中空炉心 |
JP2000284084A (ja) | 1999-03-31 | 2000-10-13 | Japan Atom Energy Res Inst | 高温ガス炉用燃料棒 |
JP2004294250A (ja) | 2003-03-27 | 2004-10-21 | Tokyo Inst Of Technol | 炉心冷却構造 |
Also Published As
Publication number | Publication date |
---|---|
US20240013938A1 (en) | 2024-01-11 |
WO2022075023A1 (ja) | 2022-04-14 |
JP2022061791A (ja) | 2022-04-19 |
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