JP2011503616A - 受動型緊急給水システム - Google Patents
受動型緊急給水システム Download PDFInfo
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- JP2011503616A JP2011503616A JP2010534104A JP2010534104A JP2011503616A JP 2011503616 A JP2011503616 A JP 2011503616A JP 2010534104 A JP2010534104 A JP 2010534104A JP 2010534104 A JP2010534104 A JP 2010534104A JP 2011503616 A JP2011503616 A JP 2011503616A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 109
- 238000001816 cooling Methods 0.000 claims abstract description 61
- 239000002826 coolant Substances 0.000 claims abstract description 55
- 239000000498 cooling water Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims description 9
- 230000008859 change Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000004992 fission Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
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- 239000011248 coating agent Substances 0.000 description 1
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- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- 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
-
- 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
-
- 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
- G21C15/00—Cooling arrangements within the pressure vessel containing the core; Selection of specific coolants
- G21C15/24—Promoting flow of the coolant
- G21C15/26—Promoting flow of the coolant by convection, e.g. using chimneys, using divergent channels
-
- 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
-
- 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)
Abstract
【選択図】図2
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。
次に、種々の実施例の動作例が、図2の二次冷却系統50及び図3の緊急冷却システム60を参照して、提供される。炉心6は、制御棒の挿入で、高温停止状態になる。前記停止状態は、電力モジュール組立体25の非常時運転又は前記二次冷却系統に起因することがある。出口管路52を経る通常の蒸気流と入口管路53を経る給水流とが分離される。入口54及び出口弁58が原子炉格納容器冷却水槽46に開かれる。これは、冷却材密度差と、入口54及び出口弁58の冷水の高度差とによって動く自然循環流路を作り出す。
22 炉心隔壁
23 アニュラス部
24 立ち上がり部
25 電力モジュール組立体
32 タービン
42 原子炉容器
44 原子炉格納容器
46 原子炉格納容器冷却水槽
50 二次冷却系統
52 出口管路
53 入口管路
54 入口
55 熱交換器
58 出口弁(出口)
60 冷却システム
70 蓄圧タンク
72 給水ポンプ
100 一次冷却材
Claims (20)
- 一次冷却材で取り囲まれた炉心を収容する原子炉容器と、
原子炉格納容器冷却水槽に浸漬されるように適用される原子炉格納容器であって該容器外への前記一次冷却材の放出を阻止するように適用される原子炉格納容器と、
前記炉心で発生する熱を除去すべく構成された二次冷却系統とを含み、
前記熱は、液体を循環させることによって前記一次冷却材を通して前記原子炉格納容器冷却水槽から除去される電力モジュール組立体。 - 前記二次冷却系統は、前記原子炉容器内の二次冷却材を循環させるように構成された熱交換器を含む、請求項1に記載の電力モジュール組立体。
- 前記二次冷却系統は、非常時運転の間に前記原子炉格納容器冷却水槽から前記液体を移動させるように構成されている、請求項2に記載の電力モジュール組立体。
- 前記非常時運転は、冷却材喪失事故を含む、請求項3に記載の電力モジュール組立体。
- 前記非常時運転は、二次冷却材流の喪失を含む、請求項3に記載の電力モジュール組立体。
- 前記非常時運転は、オンサイト電力の喪失を含む、請求項3に記載の電力モジュール組立体。
- 前記二次冷却系統は、前記一次冷却材を経る循環後に前記原子炉格納容器冷却水槽に前記液体を放出するように構成された1つ以上の出口を含む、請求項1に記載の電力モジュール組立体。
- 前記液体は、該液体と前記一次冷却材との間の温度差による自然循環によって前記一次冷却材を通って循環する、請求項7に記載の電力モジュール組立体。
- 前記二次冷却系統は、前記原子炉格納容器冷却水槽の底の近くに位置する1つ以上の入口を含む、請求項1に記載の電力モジュール組立体。
- 原子炉のための冷却システムであって、
冷却材を熱交換器に送るように構成された入口管路と、
前記熱交換器に接続され、前記原子炉からの熱を除去すべく構成された出口管路と、
緊急給水を前記入口管路に供給する入口と、
前記出口管路に接続され、前記緊急給水を放出する出口とを含み、
前記冷却システムは、前記緊急給水を自然循環によって前記熱交換器を通って循環させるように、構成されている、原子炉のための冷却システム。 - 前記自然循環は、前記緊急給水の温度変化と、前記入口及び出口間の高低差との結果として生じる、請求項水10に記載の冷却システム。
- 前記入口管路は給水ポンプに接続されており、前記出口管路は蒸気タービンに接続されている、請求項水10に記載の冷却システム。
- 前記緊急給水の自然循環は前記給水ポンプの援助なしに生じる、請求項12に記載の冷却システム。
- さらに、給水流の喪失が検出されるとき、冷却材を前記入口管路に注入すべく構成された蓄圧タンクを含む、請求項水10に記載の冷却システム。
- 前記緊急給水の自然循環が確立するまで、前記蓄圧タンクは前記熱交換器に冷却材を提供する、請求項14に記載の冷却システム。
- 原子炉の冷却方法であって
給水状態の喪失を検出すること、
二次冷却系統からの給水流を緊急給水源に置き替えること、及び
熱を前記原子炉から取り除くために緊急給水を熱交換器に循環させることを含み、
前記緊急給水は自然循環で循環する、原子炉冷却方法。 - 前記緊急給水源は、前記原子炉を取り囲んでいる前記原子炉格納容器冷却水槽を含む、請求項16に記載の方法。
- さらに、前記緊急給水を前記原子炉格納容器冷却水槽へ放出することを含む、請求項17に記載の方法。
- 前記自然循環は、前記緊急給水源と熱交換器を通って循環する前記緊急給水との温度差による、請求項16に記載の方法。
- 前記自然循環は、3日よりも長い間、持続可能である、請求項16に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98834807P | 2007-11-15 | 2007-11-15 | |
US60/988,348 | 2007-11-15 | ||
US12/121,733 | 2008-05-15 | ||
US12/121,733 US8170173B2 (en) | 2007-11-15 | 2008-05-15 | Passive emergency feedwater system |
PCT/US2008/082644 WO2009097034A2 (en) | 2007-11-15 | 2008-11-06 | Passive emergency feedwater system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011503616A true JP2011503616A (ja) | 2011-01-27 |
JP5517357B2 JP5517357B2 (ja) | 2014-06-11 |
Family
ID=40641949
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010534104A Active JP5517357B2 (ja) | 2007-11-15 | 2008-11-06 | 受動型緊急給水システム |
Country Status (9)
Country | Link |
---|---|
US (2) | US8170173B2 (ja) |
EP (1) | EP2218076B1 (ja) |
JP (1) | JP5517357B2 (ja) |
KR (1) | KR101215323B1 (ja) |
CN (2) | CN103383865B (ja) |
CA (1) | CA2705482C (ja) |
ES (1) | ES2477587T3 (ja) |
PL (1) | PL2218076T3 (ja) |
WO (1) | WO2009097034A2 (ja) |
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KR102414756B1 (ko) * | 2020-06-18 | 2022-06-28 | 한국수력원자력 주식회사 | 피동 잔열 제거 계통 |
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PL2218076T3 (pl) | 2014-10-31 |
EP2218076B1 (en) | 2014-04-30 |
US8731130B2 (en) | 2014-05-20 |
US8170173B2 (en) | 2012-05-01 |
CA2705482A1 (en) | 2009-08-06 |
WO2009097034A2 (en) | 2009-08-06 |
KR20100072375A (ko) | 2010-06-30 |
US20090129530A1 (en) | 2009-05-21 |
CA2705482C (en) | 2015-06-23 |
EP2218076A2 (en) | 2010-08-18 |
ES2477587T3 (es) | 2014-07-17 |
JP5517357B2 (ja) | 2014-06-11 |
CN103383865B (zh) | 2018-05-22 |
US20120294408A1 (en) | 2012-11-22 |
CN101999149B (zh) | 2013-06-19 |
CN103383865A (zh) | 2013-11-06 |
CN101999149A (zh) | 2011-03-30 |
KR101215323B1 (ko) | 2013-01-21 |
WO2009097034A3 (en) | 2009-12-10 |
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