JP2021527196A - 有害物質キャニスタ - Google Patents
有害物質キャニスタ Download PDFInfo
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
- G21F5/008—Containers for fuel elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F1/00—Shielding characterised by the composition of the materials
- G21F1/02—Selection of uniform shielding materials
- G21F1/08—Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/002—Containers for fluid radioactive wastes
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
- G21F9/28—Treating solids
- G21F9/34—Disposal of solid waste
- G21F9/36—Disposal of solid waste by packaging; by baling
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/005—Waste disposal systems
- E21B41/0057—Disposal of a fluid by injection into a subterranean formation
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- 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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- Ceramic Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
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Abstract
Description
Claims (31)
- 地下処分施設に使用済み核燃料を貯蔵するためのキャニスタであって、前記キャニスタは、
第1の端部部分と、
第2の端部部分と、
中間部分と
を備え、
前記中間部分は、それを通したガンマ線の透過を可能にするように構成された材料から成り、前記中間部分は、筐体の内部容積を画定するために前記第1および第2の端部部分に取り付け可能であり、前記中間部分は、少なくとも1つの使用済み核燃料アセンブリを封入するようにサイズを決定されており、
前記第1および第2の端部部分は、それらを通したガンマ線透過に対する障壁を備えている遮蔽体を備えている、キャニスタ。 - 前記材料は、それを通した放射性液体、固体、およびガスの透過に対する障壁を備えている、請求項1に記載のキャニスタ。
- 前記放射性ガスは、トリチウムガスを含む、請求項2に記載のキャニスタ。
- 前記中間部分は、円形断面を備えている、請求項1−3のいずれか1項に記載のキャニスタ。
- 前記第2の部分は、前記キャニスタの底部部材を備えている、請求項1−4のいずれか1項に記載のキャニスタ。
- 前記底部部材は、前記中間部分に機械的に取り付けられている、請求項5に記載のキャニスタ。
- 前記遮蔽体は、それを通した放射性液体およびガスの透過に対する障壁を備えている、請求項1−6のいずれか1項に記載のキャニスタ。
- 前記内部容積は、約12フィート〜約15フィートの高さ寸法、7インチ〜13インチの断面直径を備えている、請求項1−7のいずれか1項に記載のキャニスタ。
- 前記内部容積は、単一の使用済み核燃料アセンブリを封入するようにサイズを決定されている、請求項8に記載のキャニスタ。
- 前記内部容積は、約24フィート〜約30フィートの高さ寸法、7インチ〜13インチの直径の断面直径を備えている、請求項1−7のいずれか1項に記載のキャニスタ。
- 前記内部容積は、前記内部容積内で線形に配列された2つ以上の使用済み核燃料アセンブリを封入するようにサイズを決定されている、請求項10に記載のキャニスタ。
- 前記材料は、ステンレス鋼、炭素鋼、チタン、またはニッケルクロム合金のうちの少なくとも1を備えている、請求項1−11のいずれか1項に記載のキャニスタ。
- 前記中間部分に搭載された1つ以上のローラまたは軸受をさらに備えている、請求項1−12のいずれか1項に記載のキャニスタ。
- 前記中間部分に取り付けられた非導電性材料をさらに備えている、請求項1−13のいずれか1項に記載のキャニスタ。
- 前記非伝導性材料は、前記中間部分の外面に取り付けられた複数の石英部材を備えている、請求項14に記載のキャニスタ。
- 前記非伝導性材料の少なくとも一部を封入している非伝導性カバーをさらに備えている、請求項14に記載のキャニスタ。
- 使用済み核燃料物質を含む方法であって、前記方法は、
原子炉モジュールから除去された少なくとも1つの使用済み核燃料アセンブリを使用済み核燃料キャニスタの内部容積の中に設置することであって、前記使用済み核燃料キャニスタは、基部部分と、前記基部部分に取り付けられた中間部分とを備え、前記基部および中間部分は、前記内部容積の少なくとも一部を画定し、前記中間部分は、それを通したガンマ線の透過を可能にするように構成された材料を備えている、ことと、
前記使用済み核燃料キャニスタの上部部分を前記中間部分に取り付け、前記内部容積内に前記少なくとも1つの使用済み核燃料アセンブリを封入することと
を含み、
前記上部および基部部分は、それらを通したガンマ線透過に対する障壁を備えている遮蔽体を備え、
前記使用済み核燃料キャニスタは、地下貯蔵処分施設に前記少なくとも1つの核燃料アセンブリを貯蔵するように構成されている、方法。 - 前記材料は、それを通した放射性液体、固体、およびガスの透過に対する障壁を備えている、請求項17に記載の方法。
- 前記放射性ガスは、トリチウムガスを含む、請求項18に記載の方法。
- 前記中間部分は、円形断面を備えている、請求項17−19のいずれか1項に記載の方法。
- 前記底部部材は、前記中間部分に機械的に取り付けられている、請求項17−20のいずれか1項に記載の方法。
- 前記遮蔽体は、それを通した放射性液体およびガスの透過に対する障壁を備えている、請求項17−21のいずれか1項に記載の方法。
- 前記内部容積は、約12フィート〜約15フィートの高さ寸法、7インチ〜13インチの断面直径を備えている、請求項17−22のいずれか1項に記載の方法。
- 前記内部容積は、単一の使用済み核燃料アセンブリを封入するようにサイズを決定されている、請求項23に記載の方法。
- 前記内部容積は、約24フィート〜約30フィートの高さ寸法、7インチ〜13インチの断面直径を備えている、請求項17−22のいずれか1項に記載の方法。
- 前記内部容積は、前記内部容積内で線形に配列された2つ以上の使用済み核燃料アセンブリを封入するようにサイズを決定されている、請求項25に記載の方法。
- 前記材料は、ステンレス鋼、炭素鋼、チタン、またはニッケルクロム合金のうちの少なくとも1を備えている、請求項17−26のいずれか記載の方法。
- 前記使用済み核燃料キャニスタは、前記中間部分に搭載された1つ以上のローラまたは軸受をさらに備えている、請求項17−27のいずれかに記載の方法。
- 前記使用済み核燃料キャニスタは、前記中間部分に取り付けられた非伝導性材料をさらに備えている、請求項17−28のいずれかに記載の方法。
- 前記非伝導性材料は、前記中間部分の外面に取り付けられた複数の石英部材を備えている、請求項29に記載の方法。
- 前記使用済み核燃料キャニスタは、前記非伝導性材料の少なくとも一部を封入している非伝導性カバーをさらに備えている、請求項29に記載の方法。
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PCT/US2019/035324 WO2019236535A1 (en) | 2018-06-04 | 2019-06-04 | Hazardous material canister |
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