JP6577014B2 - 加圧水型原子炉の炉心から炉内計装装置を引き抜く方法 - Google Patents
加圧水型原子炉の炉心から炉内計装装置を引き抜く方法 Download PDFInfo
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- JP6577014B2 JP6577014B2 JP2017504052A JP2017504052A JP6577014B2 JP 6577014 B2 JP6577014 B2 JP 6577014B2 JP 2017504052 A JP2017504052 A JP 2017504052A JP 2017504052 A JP2017504052 A JP 2017504052A JP 6577014 B2 JP6577014 B2 JP 6577014B2
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/19—Reactor parts specifically adapted to facilitate handling, e.g. to facilitate charging or discharging of fuel elements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/10—Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments, e.g. for measuring radioactivity, strain
- G21C17/116—Passages or insulators, e.g. for electric cables
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
- G21C19/205—Interchanging of fuel elements in the core, i.e. fuel shuffling
-
- 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
- G21C5/10—Means for supporting the complete structure
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/32—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core
- G21C1/322—Integral reactors, i.e. reactors wherein parts functionally associated with the reactor but not essential to the reaction, e.g. heat exchangers, are disposed inside the enclosure with the core wherein the heat exchanger is disposed above the core
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
Claims (7)
- 加圧水型原子炉の燃料交換方法であって、当該加圧水型原子炉は、
圧力容器(10)と、
当該圧力容器の上部開口に密閉可能に係合する着脱自在の上蓋(12)と、
当該圧力容器内に支えられ、軸方向寸法を有する炉心(14)と、
当該炉心内に支えられた複数の原子燃料集合体(22)であって、少なくとも2体の当該原子燃料集合体がそれ自体を軸方向に貫通する少なくとも1つの計装シンブルを有する原子燃料集合体と、
当該炉心の上方に支えられた上部炉内構造物集合体(26)であって、当該上部炉内構造物集合体を軸方向に貫通して支持される計装案内通路が、当該上部炉内構造物集合体内で計装装置を受けるように構成された当該計装シンブルのそれぞれと整列関係にあり、計装集合体格子板(53)が上部炉内構造物の上方に支持されて、当該上部炉内構造物の下部に対して軸方向に移動可能であることを特徴とする上部炉内構造物集合体と、
それぞれが対応する当該計装案内通路の1つを貫通して対応する1つの当該計装シンブル内へ延入する少なくとも2体の炉内計装シンブル集合体(52)であって、当該計装集合体格子板(53)を引き上げると、引き抜かれて当該上部炉内構造物集合体内へ後退可能である炉内計装シンブル集合体と、
当該計装集合体格子板(53)の近傍で配線され、当該着脱自在の上蓋と当該圧力容器との間に収まる貫通フランジ(66)まで延びて当該貫通フランジを貫通する、当該炉内計装シンブル集合体の信号出力リード線(80)と、
当該少なくとも2体の炉内計装シンブル集合体からの当該信号出力リード線の各々を、当該貫通フランジを貫通して当該圧力容器の外側へ延びる出力ケーブル(82)に接続する電気コネクタ(78)とを有し、当該方法は、
当該圧力容器(10)内の水位(92)を当該貫通フランジ(66)および当該電気コネクタ(78)より下位に下げるステップと、
当該着脱自在の上蓋(12)を当該貫通フランジ(66)から取り外すステップと、
当該電気コネクタ(78)の配線を取り外して、当該少なくとも2体の炉内計装シンブル集合体(52)に付随する当該信号出力リード線(80)の各々を同時に当該貫通フランジ(66)から切り離すステップと、
当該炉内計装シンブル集合体(52)が当該炉心(14)より上に出るまで、当該計装集合体格子板(53)を軸方向に引き上げるステップと、
当該上部炉内構造物集合体(26)を取り外して当該炉心(14)を露出させるステップと、
当該炉心(14)の燃料を交換するステップと
から成る方法。 - 前記切り離しステップで前記電気コネクタ(78)の配線を取り外すことにより、前記炉内計装シンブル集合体(52)の全てを同時に前記貫通フランジ(66)から切り離す、請求項1の方法。
- 前記炉内計装シンブル集合体(52)が前記炉心(14)より上に出るまで前記計装集合体格子板(53)を軸方向に引き上げるステップ中に、前記炉内計装シンブル集合体(52)を遮蔽するステップを含む、請求項1の方法。
- 前記電気コネクタ(78)の配線を取り外すステップの後に、前記電気コネクタ(78)の開端部を密封するステップを含む、請求項1の方法。
- 前記炉内計装シンブル集合体(52)が前記計装集合体格子板(53)に取り付けられている、請求項1の方法。
- 前記計装案内通路が、前記計装集合体格子板(53)に取り付けられた入れ子式スリーブを含み、前記引き上げステップによって当該入れ子式スリーブが延伸する、請求項1の方法。
- 前記上蓋(12)を取り外してから、前記水位(92)を前記貫通フランジ(66)および前記電気コネクタ(78)より下位に下げる、請求項1の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/461,555 US9478320B2 (en) | 2014-08-18 | 2014-08-18 | Method for in-core instrumentation withdrawal from the core of a pressurized water reactor |
US14/461,555 | 2014-08-18 | ||
PCT/US2015/035025 WO2016028366A1 (en) | 2014-08-18 | 2015-06-10 | Method for in-core instrumentation withdrawal from the core of a pressurized water reactor |
Publications (2)
Publication Number | Publication Date |
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JP2017525950A JP2017525950A (ja) | 2017-09-07 |
JP6577014B2 true JP6577014B2 (ja) | 2019-09-18 |
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JP2017504052A Active JP6577014B2 (ja) | 2014-08-18 | 2015-06-10 | 加圧水型原子炉の炉心から炉内計装装置を引き抜く方法 |
Country Status (6)
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US (1) | US9478320B2 (ja) |
EP (1) | EP3183734B1 (ja) |
JP (1) | JP6577014B2 (ja) |
KR (1) | KR102367661B1 (ja) |
CN (1) | CN106575530B (ja) |
WO (1) | WO2016028366A1 (ja) |
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CN107093471B (zh) * | 2017-05-09 | 2019-01-08 | 中国核动力研究设计院 | 保护堆芯仪表线的保护结构及其保护方法 |
CN107274942B (zh) * | 2017-06-01 | 2019-03-01 | 中国核工业第五建设有限公司 | Ap1000核电站中下部堆内构件的安装方法 |
CN107767972B (zh) * | 2017-10-17 | 2019-10-01 | 中国核动力研究设计院 | 一种反应堆探测器拆除装置的缩容组件及其缩容方法 |
CN110853776B (zh) * | 2019-10-21 | 2021-12-17 | 上海核工程研究设计院有限公司 | 核电站电气贯穿件组件及核电站电气贯穿件安装方法 |
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FR2635906B1 (fr) | 1988-08-25 | 1990-11-23 | Framatome Sa | Dispositif d'instrumentation du coeur d'un reacteur nucleaire a eau sous pression et procede et dispositif d'extraction et de mise en place de ce dispositif d'instrumentation |
US5078957A (en) * | 1990-11-26 | 1992-01-07 | Westinghouse Electric Corp. | Incore instrumentation system for a pressurized water reactor |
JP4898318B2 (ja) | 2005-06-29 | 2012-03-14 | 三菱重工業株式会社 | 炉内計装案内管支持装置 |
US8483347B2 (en) | 2007-04-10 | 2013-07-09 | Westinghouse Electric Company Llc | Upper internals arrangement for a pressurized water reactor |
US9082519B2 (en) * | 2008-12-17 | 2015-07-14 | Westinghouse Electric Company Llc | Upper internals arrangement for a pressurized water reactor |
US20110002432A1 (en) * | 2009-07-01 | 2011-01-06 | Westinghouse Electric Company Llc | Incore instrument core performance verification method |
JP5606361B2 (ja) | 2011-03-02 | 2014-10-15 | 三菱重工業株式会社 | 中性子束検出器の案内装置 |
US10438708B2 (en) * | 2011-10-04 | 2019-10-08 | Westinghouse Electric Company Llc | In-core instrument thimble assembly |
US8958519B2 (en) * | 2012-04-17 | 2015-02-17 | Babcock & Wilcox Mpower, Inc. | Incore instrumentation cable routing and support element for pressurized water reactor |
US9991009B2 (en) * | 2012-04-17 | 2018-06-05 | Bwxt Mpower, Inc. | Electrical feedthroughs for nuclear reactor |
US9659674B2 (en) * | 2012-04-27 | 2017-05-23 | Westinghouse Electric Company Llc | Instrumentation and control penetration flange for pressurized water reactor |
US9064607B2 (en) * | 2012-04-27 | 2015-06-23 | Westinghouse Electric Company Llc | Method and apparatus for refueling a nuclear reactor having an instrumentation penetration flange |
US9620254B2 (en) * | 2013-04-11 | 2017-04-11 | Westinghouse Electric Company Llc | Reactor in-core instrument handling system |
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2014
- 2014-08-18 US US14/461,555 patent/US9478320B2/en active Active
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- 2015-06-10 EP EP15833762.6A patent/EP3183734B1/en active Active
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- 2015-06-10 WO PCT/US2015/035025 patent/WO2016028366A1/en active Application Filing
- 2015-06-10 KR KR1020177007327A patent/KR102367661B1/ko active IP Right Grant
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US20160049212A1 (en) | 2016-02-18 |
EP3183734B1 (en) | 2019-05-01 |
CN106575530A (zh) | 2017-04-19 |
JP2017525950A (ja) | 2017-09-07 |
CN106575530B (zh) | 2018-03-09 |
KR102367661B1 (ko) | 2022-02-24 |
EP3183734A1 (en) | 2017-06-28 |
WO2016028366A1 (en) | 2016-02-25 |
US9478320B2 (en) | 2016-10-25 |
EP3183734A4 (en) | 2018-04-04 |
KR20170042752A (ko) | 2017-04-19 |
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