CN113196416A - 包覆燃料颗粒、惰性基体弥散燃料芯块和一体化燃料棒及其制造方法 - Google Patents
包覆燃料颗粒、惰性基体弥散燃料芯块和一体化燃料棒及其制造方法 Download PDFInfo
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- CN113196416A CN113196416A CN201980081090.2A CN201980081090A CN113196416A CN 113196416 A CN113196416 A CN 113196416A CN 201980081090 A CN201980081090 A CN 201980081090A CN 113196416 A CN113196416 A CN 113196416A
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- 239000000446 fuel Substances 0.000 title claims abstract description 132
- 239000002245 particle Substances 0.000 title claims abstract description 70
- 239000011159 matrix material Substances 0.000 title claims abstract description 43
- 239000008188 pellet Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims description 13
- 238000005253 cladding Methods 0.000 claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 13
- 238000011068 loading method Methods 0.000 claims abstract description 7
- 239000010410 layer Substances 0.000 claims description 67
- 238000007789 sealing Methods 0.000 claims description 17
- 239000000843 powder Substances 0.000 claims description 16
- 238000010438 heat treatment Methods 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 10
- 230000004888 barrier function Effects 0.000 claims description 9
- 239000011241 protective layer Substances 0.000 claims description 9
- 239000002002 slurry Substances 0.000 claims description 9
- 230000001050 lubricating effect Effects 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 239000011247 coating layer Substances 0.000 claims description 6
- 238000000280 densification Methods 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- 238000001272 pressureless sintering Methods 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000001816 cooling Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000003776 cleavage reaction Methods 0.000 claims description 2
- 230000007017 scission Effects 0.000 claims description 2
- 239000011162 core material Substances 0.000 abstract description 29
- 229910052770 Uranium Inorganic materials 0.000 abstract description 11
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 5
- 229910008943 UxSiy Inorganic materials 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910002804 graphite Inorganic materials 0.000 description 6
- 239000010439 graphite Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 4
- 230000004992 fission Effects 0.000 description 4
- 239000003758 nuclear fuel Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000002285 radioactive effect Effects 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 241000013033 Triso Species 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000002915 spent fuel radioactive waste Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000007704 transition Effects 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
- G21C3/42—Selection of substances for use as reactor fuel
- G21C3/58—Solid reactor fuel Pellets made of fissile material
-
- 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
- G21C3/58—Solid reactor fuel Pellets made of fissile material
- G21C3/60—Metallic fuel; Intermetallic dispersions
-
- 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)
- Dispersion Chemistry (AREA)
- Powder Metallurgy (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
一种包覆燃料颗粒、惰性基体弥散燃料芯块和一体化燃料棒及其制造方法，包覆燃料颗粒包括UxSiy核心以及包覆在所述UxSiy核心外的多层保护壳；所述UxSiy核心中，x＝3，y＝1‑5。所述包覆燃料颗粒，核心采用UxSiy，较于UO2具有高铀密度及高热导率，可使核芯材料的铀密度提高17％以上，在不增加富集度的情况下明显改善燃料的铀装量；核心与外层的保护壳化学相容性好，在高温下不会因化学反应产生大量气体。可用于事故容错燃料、大型先进压水堆以及其他先进核能系统的燃料系统。
Description
PCT国内申请，说明书已公开。
Claims (16)
- PCT国内申请，权利要求书已公开。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/073029 WO2020150976A1 (zh) | 2019-01-24 | 2019-01-24 | 包覆燃料颗粒、惰性基体弥散燃料芯块和一体化燃料棒及其制造方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113196416A true CN113196416A (zh) | 2021-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201980081090.2A Pending CN113196416A (zh) | 2019-01-24 | 2019-01-24 | 包覆燃料颗粒、惰性基体弥散燃料芯块和一体化燃料棒及其制造方法 |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113196416A (zh) |
| WO (1) | WO2020150976A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130356A1 (zh) * | 2022-01-07 | 2023-07-13 | 岭澳核电有限公司 | 高铀密度atf核燃料芯块及其制备方法 |
| CN116564562A (zh) * | 2023-07-10 | 2023-08-08 | 中核北方核燃料元件有限公司 | 一种含ZrC包覆层的高铀密度弥散燃料及其制备方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105225702A (zh) * | 2015-09-23 | 2016-01-06 | 中科华核电技术研究院有限公司 | 高安全性燃料棒及其制造方法 |
| CN105405474A (zh) * | 2015-11-02 | 2016-03-16 | 西北工业大学 | 具备抗裂纹扩展能力的核燃料包壳管的结构及制备方法 |
| US20160372221A1 (en) * | 2015-06-22 | 2016-12-22 | Battelle Energy Alliance, Llc. | Methods of forming triuranium disilicide structures, and related fuel rods for light water reactors |
| CN106981318A (zh) * | 2017-04-13 | 2017-07-25 | 中国工程物理研究院材料研究所 | 一种惰性基弥散芯块燃料及其制备方法和用途 |
| CN107180654A (zh) * | 2017-05-27 | 2017-09-19 | 中国工程物理研究院材料研究所 | 一种max相陶瓷基体弥散芯块核燃料及其制法和用途 |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130077731A1 (en) * | 2011-03-28 | 2013-03-28 | Torxx Group Inc. | Ceramic encapsulations for nuclear materials and systems and methods of production and use |
| US9620248B2 (en) * | 2011-08-04 | 2017-04-11 | Ultra Safe Nuclear, Inc. | Dispersion ceramic micro-encapsulated (DCM) nuclear fuel and related methods |
-
2019
- 2019-01-24 CN CN201980081090.2A patent/CN113196416A/zh active Pending
- 2019-01-24 WO PCT/CN2019/073029 patent/WO2020150976A1/zh active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160372221A1 (en) * | 2015-06-22 | 2016-12-22 | Battelle Energy Alliance, Llc. | Methods of forming triuranium disilicide structures, and related fuel rods for light water reactors |
| CN105225702A (zh) * | 2015-09-23 | 2016-01-06 | 中科华核电技术研究院有限公司 | 高安全性燃料棒及其制造方法 |
| CN105405474A (zh) * | 2015-11-02 | 2016-03-16 | 西北工业大学 | 具备抗裂纹扩展能力的核燃料包壳管的结构及制备方法 |
| CN106981318A (zh) * | 2017-04-13 | 2017-07-25 | 中国工程物理研究院材料研究所 | 一种惰性基弥散芯块燃料及其制备方法和用途 |
| CN107180654A (zh) * | 2017-05-27 | 2017-09-19 | 中国工程物理研究院材料研究所 | 一种max相陶瓷基体弥散芯块核燃料及其制法和用途 |
Non-Patent Citations (1)
| Title |
|---|
| 陶小康 等: "新型轻水反应堆包壳材料FeCrAl合金的研究进展", 《热加工工艺》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130356A1 (zh) * | 2022-01-07 | 2023-07-13 | 岭澳核电有限公司 | 高铀密度atf核燃料芯块及其制备方法 |
| CN116564562A (zh) * | 2023-07-10 | 2023-08-08 | 中核北方核燃料元件有限公司 | 一种含ZrC包覆层的高铀密度弥散燃料及其制备方法 |
| CN116564562B (zh) * | 2023-07-10 | 2023-11-14 | 中核北方核燃料元件有限公司 | 一种含ZrC包覆层的高铀密度弥散燃料及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020150976A1 (zh) | 2020-07-30 |
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Application publication date: 20210730 |
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