JP5429715B2 - 原子炉のための浸漬格納容器 - Google Patents
原子炉のための浸漬格納容器 Download PDFInfo
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
- G21C13/022—Ventilating arrangements
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C13/00—Pressure vessels; Containment vessels; Containment in general
- G21C13/02—Details
- G21C13/024—Supporting constructions for pressure vessels or containment vessels
-
- 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
-
- 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
- G21C9/012—Pressure suppression by thermal accumulation or by steam condensation, e.g. ice condensers
-
- 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)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Description
二次冷却系統30の前記水蒸気及び給水は、それらが原子炉容器2中の水10と混合しあるいは直接的に接触しないように、水10から相互に分離される。
前記原子炉容器は、過圧事故中、前記原子炉格納容器に前記冷却材を放出し前記原子炉格納容器の内面への前記冷却材の凝縮によって前記炉心の崩壊熱を取り除くように、構成されている。
16 水
22 炉心隔壁
23 アニュラス部
24 立ち上がり部
26 原子炉ベイ
41 蒸気
44、71、72 原子炉格納容器領域
50、60、70 電力モジュール組立体
52、62 原子炉容器
54、64、74 原子炉格納容器
55 内面
57 流量弁
58、68 流量制限器(排出口)
63 覆い
61 格納構造物
65 フィン
66 熱吸収源
75 弁
78 反射断熱材
80 取り付け連結部
100 一次冷却材
100A、100B 冷却材レベル
Claims (23)
- 電力モジュール組立体であって、
一次冷却材に浸された炉心と、
前記一次冷却材及び前記炉心を収容する炉容器と、
液体に沈められた格納容器と、
排出口とを含み、
過圧事故の前において、前記格納容器の内表面全体が乾燥しかつ不完全真空で前記炉容器を実質的に囲み、
前記格納容器は、前記格納容器からの前記一次冷却材の放出を阻止するように構成され、
前記格納容器内の実質的にすべての前記冷却材は、前記電力モジュール組立体の正常動作中、前記炉容器内に収容され、
前記排出口は、前記過圧事故の間、前記一次冷却材を前記格納容器内に制御可能に放出するように構成され、
前記炉心の崩壊熱は前記格納容器の内表面上の前記一次冷却材の凝縮によって除去される電力モジュール組立体。 - 前記排出口は、前記格納容器の前記内表面上で凝縮する蒸気として前記一次冷却材を放出するために前記炉容器に取り付けられた流量制限器を含む、請求項1に記載の電力モジュール。
- 前記格納容器は、前記液体に浮くように構成される、請求項1に記載の電力モジュール組立体。
- 前記格納容器内の圧力は、前記一次冷却材の凝縮によって設計範囲内に維持される、請求項1に記載の電力モジュール組立体。
- 前記炉心の崩壊熱をさらに取り除くべく前記格納容器の外壁に冷却フィンが取り付けられる、請求項1に記載の電力モジュール組立体。
- 前記一次冷却材の実質的にすべては、前記過圧事故の間、前記格納容器中に封じ込められたままである、請求項1に記載の電力モジュール組立体。
- 前記格納容器の前記内表面上の前記一次冷却材の凝縮は、前記格納容器内に放出される前記一次冷却材が前記格納容器に圧力を付加するのと同じ速度で前記格納容器内の圧力を減少させる、請求項1に記載の電力モジュール組立体。
- 前記崩壊熱はさらに、前記液体を伴う前記格納容器の外表面からの伝導によって取り除かれる、請求項1に記載の電力モジュール組立体。
- 前記一次冷却材は、定常状態条件中、前記格納容器内を定圧に維持する速度で放出される、請求項1に記載の電力モジュール組立体。
- 前記格納容器は、定常状態条件の前に初期圧力スパイクを受ける、請求項9に記載の電力モジュール組立体。
- 前記排出口は、介在構造物なしに前記格納容器の外壁に直接に接続される、請求項1に記載の電力モジュール組立体。
- 原子炉を冷却する方法であって、
高圧事故の前において格納領域を不完全真空に維持することと、
前記高圧事故が炉容器内で示されることに応答して、前記原子炉を緊急停止することと、
格納容器と前記炉容器との間に位置する前記格納領域に一次冷却材を蒸気として制御可能に放出することであって、前記格納容器の内表面全体が前記高圧事故の前に乾燥していることと、
前記格納容器の内壁上で前記蒸気を凝縮することと、
前記格納容器を囲む液体媒体に崩壊熱を伝達することと、
前記内壁上の前記蒸気の凝縮によって前記格納容器圧力を設計限界内に維持することと
を含む方法。 - 前記蒸気の凝縮は、前記放出された蒸気が前記格納領域内の圧力を増加させるのと同じ量だけ、前記格納領域内の圧力を減少させる、請求項12に記載の方法。
- 前記格納領域は、前記高圧事故の後に大気圧より高い状態に維持される、請求項13に記載の方法。
- 前記凝縮された蒸気は、前記炉容器の外壁と前記格納容器の前記内壁との間に広がる前記一次冷却材の溜まりを形成し、
前記方法は、前記一次冷却材の溜まりを、前記炉容器の中に戻して前記炉心を通るように循環させることを含み、
前記一次冷却材の溜まりは前記高圧事故の前には存在しない、請求項12に記載の方法。 - 前記一次冷却材を蒸気として制御可能に放出する前に前記格納領域を不完全真空に維持することを含む、請求項12に記載の方法。
- 前記炉容器の実質的にすべての断熱は、前記不完全真空によって提供される、請求項1に記載の電力モジュール組立体。
- 前記炉容器と前記格納容器との間に配置された反射断熱材をさらに含み、
前記炉容器の実質的にすべての断熱は、前記不完全真空と前記反射断熱材との組合せによって提供される、請求項1に記載の電力モジュール組立体。 - 前記炉容器の外表面はスチールハウジングを含み、前記スチールハウジングは、前記不完全真空に直接にさらされる、請求項1に記載の電力モジュール組立体。
- 前記スチールハウジングと前記不完全真空との間には絶縁材が配置されない、請求項19に記載の電力モジュール組立体。
- 電力モジュール組立体であって、
炉心を通して一次冷却材を循環させる手段であって、前記炉心及び前記一次冷却材は炉容器に格納される手段と、
前記炉容器内の高圧条件に応答して、前記炉容器を実質的に囲む格納容器内に前記一次冷却材を蒸気として制御可能に放出する手段であって、前記格納容器内に前記一次冷却材を蒸気として放出する前において、前記格納容器の内表面全体が乾燥しかつ不完全真空で前記炉容器を囲み、前記蒸気は、前記格納容器の前記内表面上で凝縮し、凝縮した前記蒸気は前記炉容器の外壁と前記格納容器の前記内表面との間に広がる前記一次冷却材の溜まりを形成する手段と、
前記一次冷却材の溜まりを、前記炉容器の中に戻して前記炉心を通るように循環させる手段であって、前記一次冷却材の溜まりすべてが凝縮した前記蒸気からなる電力モジュール組立体。 - 前記一次冷却材の溜まりの水位は前記炉心の上部より高く、前記一次冷却材の溜まりは、前記一次冷却材を蒸気として前記格納容器内に放出する前は存在しない、請求項21に記載の電力モジュール組立体。
- 前記一次冷却材を蒸気として前記格納容器内に放出する前において、前記炉容器の実質的にすべての断熱が前記不完全真空によって提供される、請求項21に記載の電力モジュール組立体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US11/941,024 | 2007-11-15 | ||
US11/941,024 US8687759B2 (en) | 2007-11-15 | 2007-11-15 | Internal dry containment vessel for a nuclear reactor |
PCT/US2008/082617 WO2009064654A2 (en) | 2007-11-15 | 2008-11-06 | Submerged containment vessel for a nuclear reactor |
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JP2013242559A Division JP5780503B2 (ja) | 2007-11-15 | 2013-11-25 | 電力モジュール組立体 |
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JP2011503614A JP2011503614A (ja) | 2011-01-27 |
JP5429715B2 true JP5429715B2 (ja) | 2014-02-26 |
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JP2010534101A Active JP5429715B2 (ja) | 2007-11-15 | 2008-11-06 | 原子炉のための浸漬格納容器 |
JP2013242559A Active JP5780503B2 (ja) | 2007-11-15 | 2013-11-25 | 電力モジュール組立体 |
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US (2) | US8687759B2 (ja) |
EP (2) | EP2218077B1 (ja) |
JP (2) | JP5429715B2 (ja) |
KR (1) | KR101299979B1 (ja) |
CN (2) | CN101884073B (ja) |
CA (1) | CA2705451C (ja) |
ES (2) | ES2402240T3 (ja) |
PL (1) | PL2560172T3 (ja) |
WO (1) | WO2009064654A2 (ja) |
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