JP6491984B2 - 原子炉圧力容器減圧設備 - Google Patents
原子炉圧力容器減圧設備 Download PDFInfo
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- JP6491984B2 JP6491984B2 JP2015182464A JP2015182464A JP6491984B2 JP 6491984 B2 JP6491984 B2 JP 6491984B2 JP 2015182464 A JP2015182464 A JP 2015182464A JP 2015182464 A JP2015182464 A JP 2015182464A JP 6491984 B2 JP6491984 B2 JP 6491984B2
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- driving gas
- valve
- main steam
- pressure vessel
- reactor
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- 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
-
- 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
Description
Claims (2)
- 原子炉格納容器内の原子炉圧力容器に接続された主蒸気配管に配置され、原子炉施設の異常時に前記原子炉圧力容器内の蒸気を前記原子炉格納容器内に放出する主蒸気逃がし安全弁と、該主蒸気逃がし安全弁に一端が接続され、該主蒸気逃がし安全弁に駆動ガスを導く主蒸気逃がし安全弁駆動ガス配管と、前記原子炉格納容器内に配置され、前記主蒸気逃がし安全弁駆動ガス配管の他端に、第1、第2及び第3の接続口の内の前記第1の接続口を接続するように設けられた三方弁と、該三方弁の第2の接続口に一端が接続され、駆動ガス供給源からの駆動ガスを供給する駆動ガス供給配管と、前記原子炉格納容器内に配置され、前記駆動ガス供給配管の他端に接続されたアキュームレータと、前記駆動ガス供給配管に一端が接続され、他端が前記駆動ガス供給源に接続された駆動ガス配管とを備え、前記原子炉格納容器内に格納された前記原子炉圧力容器の圧力を低減する原子炉圧力容器減圧設備であって、
前記駆動ガス配管上に、前記駆動ガス供給源の喪失時に前記アキュームレータ内に残留する駆動ガスの漏洩を防止する空気作動弁が設置されている主蒸気逃がし安全弁駆動装置を備え、
前記空気作動弁は、前記駆動ガス供給源が喪失していない際には、該駆動ガス供給源からの駆動ガスを駆動源とすることを特徴とする原子炉圧力容器減圧設備。 - 請求項1に記載の原子炉圧力容器減圧設備において、
前記空気作動弁の前記アキュームレータ側の前記駆動ガス配管上に、逆止弁を設けたことを特徴とする原子炉圧力容器減圧設備。
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JP2015182464A JP6491984B2 (ja) | 2015-09-16 | 2015-09-16 | 原子炉圧力容器減圧設備 |
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JP2015182464A JP6491984B2 (ja) | 2015-09-16 | 2015-09-16 | 原子炉圧力容器減圧設備 |
Publications (2)
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JP2017058223A JP2017058223A (ja) | 2017-03-23 |
JP6491984B2 true JP6491984B2 (ja) | 2019-03-27 |
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JP2015182464A Active JP6491984B2 (ja) | 2015-09-16 | 2015-09-16 | 原子炉圧力容器減圧設備 |
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Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57127885A (en) * | 1981-02-02 | 1982-08-09 | Hitachi Ltd | Backup device for pressure of air for instrumentation |
JPS60167011A (ja) * | 1984-02-09 | 1985-08-30 | Toshiba Corp | ガス減圧装置 |
JPS61184994U (ja) * | 1985-05-13 | 1986-11-18 | ||
US9601222B2 (en) * | 2009-12-02 | 2017-03-21 | GE-Hitachi Nuclear Energy Americans LLC | Emergency fluid source for harsh environments |
US9312035B2 (en) * | 2011-11-14 | 2016-04-12 | Westinghouse Electric Company Llc | Semi-portable emergency cooling system for removing decay heat from a nuclear reactor |
JP6199571B2 (ja) * | 2013-02-12 | 2017-09-20 | 株式会社東芝 | 原子炉圧力容器減圧設備および主蒸気逃がし安全弁駆動装置 |
JP5373213B1 (ja) * | 2013-03-06 | 2013-12-18 | 日立Geニュークリア・エナジー株式会社 | 気体供給装置及び原子力プラントの空気又は窒素供給装置 |
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