JP2009145342A - 受動的逆止め弁システム - Google Patents
受動的逆止め弁システム Download PDFInfo
- Publication number
- JP2009145342A JP2009145342A JP2008315177A JP2008315177A JP2009145342A JP 2009145342 A JP2009145342 A JP 2009145342A JP 2008315177 A JP2008315177 A JP 2008315177A JP 2008315177 A JP2008315177 A JP 2008315177A JP 2009145342 A JP2009145342 A JP 2009145342A
- Authority
- JP
- Japan
- Prior art keywords
- pool
- check valve
- discharge
- valve system
- well
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 33
- 238000001816 cooling Methods 0.000 description 24
- 230000001629 suppression Effects 0.000 description 14
- 230000005484 gravity Effects 0.000 description 10
- 239000002826 coolant Substances 0.000 description 6
- 238000009835 boiling Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 241000277275 Oncorhynchus mykiss Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
【解決手段】逆止め弁システムはドライウェル100に、水の放流プール110が設けられてもよい。真空破壊装置104を包囲するために、ドライウェル100に筐体構造106が設けられる。筐体構造106は、放流プール110の中へ延出する1本以上の放流管108を有してもよく、放流プール110の容積は、1本以上の放流管108の内部容積より大きくてもよい。
【選択図】図1
Description
102…ウェットウェル
104…真空破壊装置
106…筐体
108…放流管
110…放流プール
112…逃がし穴
116…スクリーン
Claims (10)
- ウェットウェル(102)とドライウェル(100)とを動作可能に接続する真空破壊装置(104)と;
前記ドライウェル(100)にある放流プール(110)と;
前記ドライウェル(100)にあり且つ前記真空破壊装置(104)を包囲し、前記放流プール(110)の中へ延出する1本以上の放流管(108)を有する筐体(106)とを具備し、前記放流プール(110)の容積は、前記1本以上の放流管(108)の内部容積より大きい逆止め弁システム。 - 前記筐体(106)は複数の放流管(108)を含む請求項1記載の逆止め弁システム。
- 前記複数の放流管(108)は平行に延出する請求項2記載の逆止め弁システム。
- 前記1本以上の放流管(108)は、前記放流プール(110)の表面の約4インチ下方に延出する請求項1記載の逆止め弁システム。
- 前記1本以上の放流管(108)は約2m以上の長さを有する請求項1記載の逆止め弁システム。
- 前記真空破壊装置(104)は、前記ウェットウェル(102)の圧力が前記ドライウェル(100)の圧力より高い場合に開放する請求項1記載の逆止め弁システム。
- 前記1本以上の放流管(108)は、前記真空破壊装置(104)の流れ面積以上の流れ面積を有する請求項1記載の逆止め弁システム。
- 前記放流プール(110)は、前記1本以上の放流管(108)の流れ面積の少なくとも約40倍の表面積を有する請求項1記載の逆止め弁システム。
- 前記放流プール(110)は、前記1本以上の放流管(108)の底部開口部の約4インチ上方に逃がし穴(112)を有する請求項1記載の逆止め弁システム。
- 前記放流プール(110)を被覆するスクリーン(116)を更に具備する請求項1記載の逆止め弁システム。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/000,644 US20090154634A1 (en) | 2007-12-14 | 2007-12-14 | Passive check valve system |
US12/000,644 | 2007-12-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009145342A true JP2009145342A (ja) | 2009-07-02 |
JP5607880B2 JP5607880B2 (ja) | 2014-10-15 |
Family
ID=40668119
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008315177A Active JP5607880B2 (ja) | 2007-12-14 | 2008-12-11 | 受動的逆止め弁システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20090154634A1 (ja) |
EP (1) | EP2085975B1 (ja) |
JP (1) | JP5607880B2 (ja) |
CN (1) | CN101483073B (ja) |
ES (1) | ES2432054T3 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018072015A (ja) * | 2016-10-25 | 2018-05-10 | 日立Geニュークリア・エナジー株式会社 | 原子炉格納容器 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10036373B2 (en) | 2014-03-11 | 2018-07-31 | Ge-Hitachi Nuclear Energy Americas Llc | Thermal pumping via in situ pipes and apparatus including the same |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60181686A (ja) * | 1984-02-29 | 1985-09-17 | 株式会社日立製作所 | 真空破壊装置 |
JPH04172291A (ja) * | 1990-11-06 | 1992-06-19 | Toshiba Corp | 原子炉格納容器 |
JP2001183487A (ja) * | 1999-12-24 | 2001-07-06 | Hitachi Ltd | 原子炉格納容器注水設備 |
JP2007003199A (ja) * | 2005-06-21 | 2007-01-11 | Hitachi Ltd | 原子炉格納設備及びその圧力制御方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US422405A (en) * | 1890-03-04 | Casing for paper match-boxes | ||
GB1273559A (en) * | 1968-08-08 | 1972-05-10 | Atomic Energy Authority Uk | Improvements in liquid cooled nuclear reactor pressure vessel |
US4222405A (en) * | 1978-07-12 | 1980-09-16 | Rosenblad Corporation | Pressure vacuum breaker |
US4587080A (en) * | 1982-02-05 | 1986-05-06 | Westinghouse Electric Corp. | Compartmentalized safety coolant injection system |
JPH0792515B2 (ja) * | 1988-11-16 | 1995-10-09 | 株式会社日立製作所 | 原子炉格納容器 |
US5098646A (en) * | 1990-12-20 | 1992-03-24 | General Electric Company | Passive hydraulic vacuum breaker |
US5570401A (en) * | 1995-09-22 | 1996-10-29 | General Electric Company | BWR containment configuration having partitioned wetwell airspace |
US6069930A (en) * | 1997-06-27 | 2000-05-30 | General Electric Company | Modified passive containment cooling system for a nuclear reactor |
US5896431A (en) * | 1997-07-18 | 1999-04-20 | General Electric Company | Systems and methods for preventing steam leakage between a drywell and a wetwell in a nuclear reactor |
US5898748A (en) * | 1997-07-25 | 1999-04-27 | General Electric Company | Vacuum breaker valve assembly |
US6618461B2 (en) * | 2001-02-12 | 2003-09-09 | General Electric Company | Systems and methods to enhance passive containment cooling system |
JP2005274532A (ja) * | 2004-03-26 | 2005-10-06 | Toshiba Corp | 原子炉格納容器の圧力抑制・除染方法および装置 |
-
2007
- 2007-12-14 US US12/000,644 patent/US20090154634A1/en not_active Abandoned
-
2008
- 2008-12-03 EP EP08170611.1A patent/EP2085975B1/en active Active
- 2008-12-03 ES ES08170611T patent/ES2432054T3/es active Active
- 2008-12-11 JP JP2008315177A patent/JP5607880B2/ja active Active
- 2008-12-12 CN CN2008101868016A patent/CN101483073B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60181686A (ja) * | 1984-02-29 | 1985-09-17 | 株式会社日立製作所 | 真空破壊装置 |
JPH04172291A (ja) * | 1990-11-06 | 1992-06-19 | Toshiba Corp | 原子炉格納容器 |
JP2001183487A (ja) * | 1999-12-24 | 2001-07-06 | Hitachi Ltd | 原子炉格納容器注水設備 |
JP2007003199A (ja) * | 2005-06-21 | 2007-01-11 | Hitachi Ltd | 原子炉格納設備及びその圧力制御方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018072015A (ja) * | 2016-10-25 | 2018-05-10 | 日立Geニュークリア・エナジー株式会社 | 原子炉格納容器 |
Also Published As
Publication number | Publication date |
---|---|
ES2432054T3 (es) | 2013-11-29 |
JP5607880B2 (ja) | 2014-10-15 |
CN101483073A (zh) | 2009-07-15 |
EP2085975A1 (en) | 2009-08-05 |
CN101483073B (zh) | 2013-10-30 |
EP2085975B1 (en) | 2013-08-21 |
US20090154634A1 (en) | 2009-06-18 |
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