JP2014510900A - 原子炉自動減圧システム - Google Patents
原子炉自動減圧システム Download PDFInfo
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- JP2014510900A JP2014510900A JP2013546140A JP2013546140A JP2014510900A JP 2014510900 A JP2014510900 A JP 2014510900A JP 2013546140 A JP2013546140 A JP 2013546140A JP 2013546140 A JP2013546140 A JP 2013546140A JP 2014510900 A JP2014510900 A JP 2014510900A
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- Prior art keywords
- coolant
- water
- blocking device
- reactor
- water tank
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C9/00—Emergency protection arrangements structurally associated with the reactor, e.g. safety valves provided with pressure equalisation devices
- G21C9/004—Pressure suppression
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
- G21D3/06—Safety arrangements responsive to faults within the plant
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K19/00—Logic circuits, i.e. having at least two inputs acting on one output; Inverting circuits
- H03K19/007—Fail-safe circuits
-
- 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
- G21C15/18—Emergency cooling arrangements; Removing shut-down heat
-
- 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)
- General Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
【選択図】図4
Description
大きな及び/又はより直接的な流路が開かれる。
・S1−フェイルセーフ;故障には、出力トランジスタを脱勢することによって、ADS(自動減圧系)阻止を解除する効果がある;
・S2−フェイルセーフ;故障には、入力の一方が閾値を下回ることによって、出力トランジスタの脱勢を阻止しない効果がある;
・S3−フェイルセーフ;故障には、一方の入力により出力がOFFになるのを阻止するが、他方の入力が有効になるのは阻止しない効果がある;
・D−危険な故障;入力が閾値を下回る時、出力トランジスタのうち1つ以上がOFFとならない。
Claims (7)
- 圧力容器(60)と、熱交換器(30)と、炉心補給水タンク(33)と、接続配管(36,56)とを含む加圧された冷却材回路(46)を有する原子炉システム(22)であって、前記接続配管は、前記熱交換器を前記圧力容器に閉ループを形成するように接続する主冷却材配管ループと、前記炉心補給水タンクを前記圧力容器に接続する補給水接続部とを含み、
前記原子炉システムは、格納容器シェル(54)内に収容され、
前記格納容器シェル(54)の雰囲気にベントされる(52)状態に維持された格納容器内貯水容器(50)と、
設計基準事故が発生した場合に前記加圧された冷却材回路(46)を自動的に減圧し、前記貯水容器(50)を前記圧力容器(60)に接続する減圧系(76)と、
をさらに備え、
阻止装置(210)が、前記炉心補給水タンク(33)内の冷却材が事前に選択した水位を上回ると、前記減圧系(76)が作動するのを阻止するために、前記減圧系に接続されることを特徴とする原子炉システム。 - 前記阻止装置(210)は、前記阻止装置内の実質的にいかなる構成要素が故障しても、前記阻止装置が前記減圧系(76)の作動を阻止しないフェイルセーフ状態で機能しなくなることを特徴とする、請求項1に記載の原子炉システム(22)。
- 前記事前に選択した水位は、前記炉心補給水タンク(33)が略満杯であると考えられる水位であることを特徴とする、請求項1に記載の原子炉システム(22)。
- 前記炉心補給水タンク(33)は前記圧力容器(60)に接続された少なくとも2つの水タンクを備え、
前記阻止装置(210)は、前記各水タンク内の冷却材が前記事前に選択した水位を上回ると、前記減圧系(76)が作動するのを阻止することを特徴とする、請求項1に記載の原子炉システム(22)。 - 前記阻止装置(210)は、前記水タンク(33)のいずれかの冷却材が前記事前に選択した水位を下回る時には、前記減圧系(76)が作動するのを阻止しないことを特徴とする、請求項4に記載の原子炉システム(22)。
- 前記阻止装置(210)は、遠隔手動オーバーライドスイッチ(208)又は他の連動条件により使用不能とされた時には、前記減圧系(76)が作動するのを阻止しないことを特徴とする、請求項4に記載の原子炉システム(22)。
- 前記阻止装置(210)は、前記減圧系(76)の弁(72)を制御する構成要素インタフェースモジュール(CIM)の優先命令入力(206)に接続されることを特徴とする、請求項1に記載の原子炉システム(22)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/972,568 | 2010-12-20 | ||
US12/972,568 US8559584B2 (en) | 2010-12-20 | 2010-12-20 | Nuclear reactor automatic depressurization system |
PCT/US2011/057958 WO2012141738A1 (en) | 2010-12-20 | 2011-10-27 | Nuclear reactor automatic depressurization system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2014510900A true JP2014510900A (ja) | 2014-05-01 |
JP5795082B2 JP5795082B2 (ja) | 2015-10-14 |
Family
ID=46234423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013546140A Active JP5795082B2 (ja) | 2010-12-20 | 2011-10-27 | 原子炉自動減圧システム |
Country Status (8)
Country | Link |
---|---|
US (1) | US8559584B2 (ja) |
EP (1) | EP2656351B1 (ja) |
JP (1) | JP5795082B2 (ja) |
CN (1) | CN103460298B (ja) |
BR (1) | BR112013015407B1 (ja) |
CA (1) | CA2821170C (ja) |
WO (1) | WO2012141738A1 (ja) |
ZA (2) | ZA201304433B (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9536629B2 (en) | 2012-07-24 | 2017-01-03 | Westinghouse Electric Company Llc | Passive power production during a nuclear station blackout |
DE202012013513U1 (de) | 2012-07-27 | 2017-05-12 | Jonathan Hesselbarth | Senkrecht startendes Flugzeug |
US11373768B2 (en) * | 2013-03-12 | 2022-06-28 | Bwxt Mpower, Inc. | Refueling water storage tank (RWST) with tailored passive emergency core cooling (ECC) flow |
US10522257B1 (en) * | 2013-03-14 | 2019-12-31 | Westinghouse Electric Company Llc | In-containment spent fuel storage to limit spent fuel pool water makeup |
US10872706B2 (en) | 2013-03-14 | 2020-12-22 | Westinghouse Electric Company Llc | Apparatus for passively cooling a nuclear plant coolant reservoir |
US9805833B2 (en) * | 2014-01-06 | 2017-10-31 | Bwxt Mpower, Inc. | Passively initiated depressurization valve for light water reactor |
CN106448777B (zh) * | 2016-11-07 | 2018-04-27 | 中国核动力研究设计院 | 一种用于核电厂安全级仪控系统的传输站 |
KR101999737B1 (ko) * | 2017-11-13 | 2019-07-12 | 한국원자력연구원 | 방사성 물질 저감 설비 및 이를 구비하는 원전 |
CN111292862B (zh) * | 2020-03-27 | 2021-12-17 | 江苏核电有限公司 | 基于核电厂安全重要仪表信号状态的反应堆紧急停堆方法 |
CN113571211B (zh) * | 2021-07-06 | 2023-12-19 | 中国核电工程有限公司 | 反应堆超压保护系统及方法、核电系统及其一回路系统 |
CN113488211B (zh) * | 2021-07-15 | 2022-09-27 | 华能山东石岛湾核电有限公司 | 基于macs6平台用于高温气冷堆厂用水系统的控制方法 |
Citations (5)
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---|---|---|---|---|
JPS60171495A (ja) * | 1984-02-17 | 1985-09-04 | 株式会社東芝 | 沸騰水形原子力プラント自動減圧系の制御装置 |
JPS62161086A (ja) * | 1986-01-09 | 1987-07-17 | 株式会社東芝 | 自動減圧系 |
US5259008A (en) * | 1992-06-24 | 1993-11-02 | Westinghouse Electric Corp. | Staged depressurization system |
JPH0659075A (ja) * | 1992-06-24 | 1994-03-04 | Westinghouse Electric Corp <We> | 原子炉 |
JP2008020234A (ja) * | 2006-07-11 | 2008-01-31 | Hitachi Ltd | 非常用炉心冷却設備 |
Family Cites Families (17)
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US5106571A (en) * | 1989-03-20 | 1992-04-21 | Wade Gentry E | Containment heat removal system |
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JP2909247B2 (ja) * | 1991-04-26 | 1999-06-23 | 三菱重工業株式会社 | 蓄圧器 |
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US5345481A (en) * | 1992-10-19 | 1994-09-06 | General Elecric Company | Nuclear reactor plant with containment depressurization |
US5282230A (en) * | 1992-11-25 | 1994-01-25 | General Electric Company | Passive containment cooling system |
US5295168A (en) * | 1993-04-15 | 1994-03-15 | General Electric Company | Pressure suppression containment system |
US5353318A (en) * | 1993-05-03 | 1994-10-04 | General Electric Company | Pressure suppression system |
IT1272698B (it) * | 1993-09-29 | 1997-06-26 | Ansaldo Un Azienda Fimmeccanic | Sistema di depressurizzazione per impianti operanti con vapoer in pressione. |
US5426681A (en) * | 1994-01-04 | 1995-06-20 | General Electric Company | Boiling water reactor with combined active and passive safety systems |
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IT1275576B (it) | 1995-07-20 | 1997-08-07 | Finmeccanica Spa | Sistema di depressurizzazione per impianti operanti con vapore in pressione |
US6842669B2 (en) * | 2001-09-24 | 2005-01-11 | Westinghouse Electric Company Llc | Component interface module |
JP4991598B2 (ja) * | 2008-02-28 | 2012-08-01 | 株式会社東芝 | 原子力発電設備の自動減圧系 |
JP4592773B2 (ja) * | 2008-02-29 | 2010-12-08 | 株式会社東芝 | 静的冷却減圧系および加圧水型原子力プラント |
-
2010
- 2010-12-20 US US12/972,568 patent/US8559584B2/en active Active
-
2011
- 2011-10-27 BR BR112013015407-1A patent/BR112013015407B1/pt active IP Right Grant
- 2011-10-27 CA CA2821170A patent/CA2821170C/en active Active
- 2011-10-27 EP EP11863439.3A patent/EP2656351B1/en active Active
- 2011-10-27 JP JP2013546140A patent/JP5795082B2/ja active Active
- 2011-10-27 WO PCT/US2011/057958 patent/WO2012141738A1/en unknown
- 2011-10-27 CN CN201180061730.7A patent/CN103460298B/zh active Active
-
2013
- 2013-06-14 ZA ZA2013/04433A patent/ZA201304433B/en unknown
-
2014
- 2014-02-25 ZA ZA2014/01441A patent/ZA201401441B/en unknown
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60171495A (ja) * | 1984-02-17 | 1985-09-04 | 株式会社東芝 | 沸騰水形原子力プラント自動減圧系の制御装置 |
JPS62161086A (ja) * | 1986-01-09 | 1987-07-17 | 株式会社東芝 | 自動減圧系 |
US5259008A (en) * | 1992-06-24 | 1993-11-02 | Westinghouse Electric Corp. | Staged depressurization system |
JPH0659075A (ja) * | 1992-06-24 | 1994-03-04 | Westinghouse Electric Corp <We> | 原子炉 |
JP2008020234A (ja) * | 2006-07-11 | 2008-01-31 | Hitachi Ltd | 非常用炉心冷却設備 |
Also Published As
Publication number | Publication date |
---|---|
EP2656351A1 (en) | 2013-10-30 |
EP2656351B1 (en) | 2018-04-04 |
US20120155597A1 (en) | 2012-06-21 |
US8559584B2 (en) | 2013-10-15 |
ZA201304433B (en) | 2014-12-23 |
BR112013015407A2 (pt) | 2020-07-28 |
CA2821170C (en) | 2018-06-12 |
EP2656351A4 (en) | 2017-04-19 |
ZA201401441B (en) | 2014-11-26 |
CN103460298B (zh) | 2016-04-13 |
WO2012141738A1 (en) | 2012-10-18 |
JP5795082B2 (ja) | 2015-10-14 |
BR112013015407B1 (pt) | 2021-11-03 |
CN103460298A (zh) | 2013-12-18 |
CA2821170A1 (en) | 2012-10-18 |
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