JP2022185113A - 使用済燃料貯蔵容器の閉じ込め機能確認方法 - Google Patents
使用済燃料貯蔵容器の閉じ込め機能確認方法 Download PDFInfo
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- JP2022185113A JP2022185113A JP2022163618A JP2022163618A JP2022185113A JP 2022185113 A JP2022185113 A JP 2022185113A JP 2022163618 A JP2022163618 A JP 2022163618A JP 2022163618 A JP2022163618 A JP 2022163618A JP 2022185113 A JP2022185113 A JP 2022185113A
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- spent fuel
- fuel storage
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- 239000002915 spent fuel radioactive waste Substances 0.000 title claims abstract description 79
- 238000012790 confirmation Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000009434 installation Methods 0.000 claims abstract description 13
- 239000011810 insulating material Substances 0.000 claims description 13
- 239000012857 radioactive material Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 8
- 239000000941 radioactive substance Substances 0.000 abstract description 4
- 239000012212 insulator Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 34
- 230000005855 radiation Effects 0.000 description 14
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
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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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- Examining Or Testing Airtightness (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Description
なお、本発明は上記の実施形態に限られず、種々の変形、応用が可能なものである。上述した実施形態は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されない。
2…胴体
3…一次蓋
4…二次蓋
5…使用済燃料を収納した内部空間
6…蓋間空間
7…圧力計
8…配管
9…圧力試験器
10…断熱材
11…二重配管の内側配管(延長配管)
12…金属ガスケット
13…バルブ
20…設置面
Claims (4)
- 内部に放射性物質を収納して貯蔵する使用済燃料貯蔵容器の閉じ込め機能を確認するための方法であって、
前記使用済燃料貯蔵容器が、その開口部にそれぞれガスケットによってシールされた二重の蓋が取り付けられた構造としたときに、
その容積を前記二重の蓋の間に設けられた蓋間空間の容積に比べて1%以下と小さくした延長配管、および前記延長配管を覆う断熱材を、前記使用済燃料貯蔵容器の設置面に設置されている圧力計と前記蓋間空間とを連絡させるように予め常設しておき、
前記蓋間空間のガスの圧力を測定する
ことを特徴とする閉じ込め機能確認方法。 - 請求項1に記載の閉じ込め機能確認方法において、
前記圧力計を、完全に同一仕様の系統を二系統有しているものとする
ことを特徴とする閉じ込め機能確認方法。 - 請求項1に記載の閉じ込め機能確認方法において、
前記断熱材の熱伝導率を、0.04[W/m・K]以下とする
ことを特徴とする閉じ込め機能確認方法。 - 請求項1に記載の閉じ込め機能確認方法において、
前記延長配管の前記圧力計に近い部分にバルブを更に設ける
ことを特徴とする閉じ込め機能確認方法。
Priority Applications (1)
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JP2022163618A JP2022185113A (ja) | 2019-02-08 | 2022-10-12 | 使用済燃料貯蔵容器の閉じ込め機能確認方法 |
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JP2019021669A JP2020128920A (ja) | 2019-02-08 | 2019-02-08 | 使用済燃料貯蔵容器の閉じ込め機能確認装置 |
JP2022163618A JP2022185113A (ja) | 2019-02-08 | 2022-10-12 | 使用済燃料貯蔵容器の閉じ込め機能確認方法 |
Related Parent Applications (1)
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JP2019021669A Division JP2020128920A (ja) | 2019-02-08 | 2019-02-08 | 使用済燃料貯蔵容器の閉じ込め機能確認装置 |
Publications (1)
Publication Number | Publication Date |
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JP2022185113A true JP2022185113A (ja) | 2022-12-13 |
Family
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JP2019021669A Pending JP2020128920A (ja) | 2019-02-08 | 2019-02-08 | 使用済燃料貯蔵容器の閉じ込め機能確認装置 |
JP2022163618A Pending JP2022185113A (ja) | 2019-02-08 | 2022-10-12 | 使用済燃料貯蔵容器の閉じ込め機能確認方法 |
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JP2019021669A Pending JP2020128920A (ja) | 2019-02-08 | 2019-02-08 | 使用済燃料貯蔵容器の閉じ込め機能確認装置 |
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Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57190444U (ja) * | 1981-05-29 | 1982-12-02 | ||
JPS59108242U (ja) * | 1983-01-11 | 1984-07-21 | 株式会社日立メデイコ | 圧力計取付構造 |
JPS62298799A (ja) * | 1986-06-18 | 1987-12-25 | 株式会社日立製作所 | 使用済燃料の貯蔵方法 |
JPH05180720A (ja) * | 1991-10-03 | 1993-07-23 | Mitsubishi Materials Corp | 缶内圧測定装置 |
JP2001242294A (ja) * | 2000-02-29 | 2001-09-07 | Ishikawajima Harima Heavy Ind Co Ltd | 使用済燃料の貯蔵方法及び装置 |
JP2001356188A (ja) * | 2000-06-12 | 2001-12-26 | Mitsubishi Heavy Ind Ltd | 放射性廃棄物貯蔵用キャスクおよびその輸送方法並びにそのガス漏洩試験装置 |
JP2003130625A (ja) * | 2001-10-25 | 2003-05-08 | Sumitomo Chem Co Ltd | 断熱された計装導圧配管の肉厚管理方法 |
JP2003227770A (ja) * | 2002-02-05 | 2003-08-15 | Yokogawa Electric Corp | 差圧伝送器及び差圧伝送器の温度推定方法 |
JP2003287484A (ja) * | 2002-01-23 | 2003-10-10 | Osaka Gas Co Ltd | 吸着特性測定装置及び測定方法 |
JP2004251675A (ja) * | 2003-02-19 | 2004-09-09 | Hitachi Sanso Kk | 差圧による気体流量測定装置 |
JP2011196715A (ja) * | 2010-03-17 | 2011-10-06 | Nuclear Engineering Ltd | 核燃料貯蔵施設における保安監視設備 |
US20150211954A1 (en) * | 2012-08-31 | 2015-07-30 | Holtec International, Inc. | System and method for storing and leak testing a radioactive materials storage canister |
WO2018127987A1 (ja) * | 2016-01-07 | 2018-07-12 | Q’z株式会社 | 真空計 |
-
2019
- 2019-02-08 JP JP2019021669A patent/JP2020128920A/ja active Pending
-
2022
- 2022-10-12 JP JP2022163618A patent/JP2022185113A/ja active Pending
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57190444U (ja) * | 1981-05-29 | 1982-12-02 | ||
JPS59108242U (ja) * | 1983-01-11 | 1984-07-21 | 株式会社日立メデイコ | 圧力計取付構造 |
JPS62298799A (ja) * | 1986-06-18 | 1987-12-25 | 株式会社日立製作所 | 使用済燃料の貯蔵方法 |
JPH05180720A (ja) * | 1991-10-03 | 1993-07-23 | Mitsubishi Materials Corp | 缶内圧測定装置 |
JP2001242294A (ja) * | 2000-02-29 | 2001-09-07 | Ishikawajima Harima Heavy Ind Co Ltd | 使用済燃料の貯蔵方法及び装置 |
JP2001356188A (ja) * | 2000-06-12 | 2001-12-26 | Mitsubishi Heavy Ind Ltd | 放射性廃棄物貯蔵用キャスクおよびその輸送方法並びにそのガス漏洩試験装置 |
JP2003130625A (ja) * | 2001-10-25 | 2003-05-08 | Sumitomo Chem Co Ltd | 断熱された計装導圧配管の肉厚管理方法 |
JP2003287484A (ja) * | 2002-01-23 | 2003-10-10 | Osaka Gas Co Ltd | 吸着特性測定装置及び測定方法 |
JP2003227770A (ja) * | 2002-02-05 | 2003-08-15 | Yokogawa Electric Corp | 差圧伝送器及び差圧伝送器の温度推定方法 |
JP2004251675A (ja) * | 2003-02-19 | 2004-09-09 | Hitachi Sanso Kk | 差圧による気体流量測定装置 |
JP2011196715A (ja) * | 2010-03-17 | 2011-10-06 | Nuclear Engineering Ltd | 核燃料貯蔵施設における保安監視設備 |
US20150211954A1 (en) * | 2012-08-31 | 2015-07-30 | Holtec International, Inc. | System and method for storing and leak testing a radioactive materials storage canister |
WO2018127987A1 (ja) * | 2016-01-07 | 2018-07-12 | Q’z株式会社 | 真空計 |
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