JP5677274B2 - 原子炉水位計測システム - Google Patents
原子炉水位計測システム Download PDFInfo
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- JP5677274B2 JP5677274B2 JP2011253143A JP2011253143A JP5677274B2 JP 5677274 B2 JP5677274 B2 JP 5677274B2 JP 2011253143 A JP2011253143 A JP 2011253143A JP 2011253143 A JP2011253143 A JP 2011253143A JP 5677274 B2 JP5677274 B2 JP 5677274B2
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- water level
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims description 386
- 238000005259 measurement Methods 0.000 title claims description 76
- 238000001514 detection method Methods 0.000 claims description 14
- 230000001052 transient effect Effects 0.000 claims description 8
- 238000009530 blood pressure measurement Methods 0.000 claims description 5
- 239000000446 fuel Substances 0.000 description 40
- 238000000034 method Methods 0.000 description 29
- 239000002826 coolant Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 10
- 238000007689 inspection Methods 0.000 description 10
- 238000012986 modification Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 7
- 230000005856 abnormality Effects 0.000 description 6
- 238000000746 purification Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005251 gamma ray Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/035—Moderator- or coolant-level detecting devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
- G01F23/18—Indicating, recording or alarm devices actuated electrically
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/288—X-rays; Gamma rays or other forms of ionising radiation
- G01F23/2885—X-rays; Gamma rays or other forms of ionising radiation for discrete levels
-
- 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)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Thermal Sciences (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
図1は、本発明に係る原子炉水位計測システムの第1実施形態を示す構成図である。
第2実施形態における水位計測システム51が第1実施形態と異なる点は、非差圧式水位計35、36に代えて、または非差圧式水位計35、36と共に、シビアアクシデント計測用水位計55を有する点である。シビアアクシデント計測(SA)用水位計55は、燃料域水位計33の計測可能範囲下限以下である燃料有効長下端より低い圧力容器2底部までの水位の検出できる水位計である。
2 原子炉圧力容器(圧力容器)
4 原子炉格納容器(格納容器)
11 凝縮槽
20 演算装置
21 基準水柱計装配管(基準配管)
22〜24 変動水柱計装配管(変動配管)
31 狭帯域原子炉水位計(狭帯域水位計)
32 広帯域原子炉水位計(広帯域水位計)
33 燃料域原子炉水位計(燃料域水位計)
34 定検時水張り用原子炉水位計(定検時水張り用水位計)
35 原子炉内非差圧式水位計
36 原子炉外非差圧式水位計
52 原子炉冷却材再循環流量系(再循環流量系)
53 原子炉冷却材再循環流量系ポンプ(再循環流量系ポンプ)
54 原子炉冷却材再循環流量系配管(再循環流量系配管)
55 シビアアクシデント計測用水位計(SA用水位計)
56 シビアアクシデント(SA)計測用変動水柱計装配管(SA用変動配管)
57 シビアアクシデント(SA)計測用基準水柱計装配管(SA用基準配管)
62 原子炉冷却材浄化設備系(CUW)
63 原子炉冷却材浄化設備系ボトムライン配管(CUWボトムライン配管)
Claims (1)
- 原子炉格納容器に格納された原子炉圧力容器の蒸気領域に接続された凝縮槽と、
前記凝縮槽に一端が接続された基準水柱計装配管と、
前記原子炉圧力容器に一端が接続された第1の変動水柱計装配管と、
前記基準水柱計装配管および前記第1の変動水柱計装配管の他端と接続され、前記基準水柱計装配管および前記第1の変動水柱計装配管の水頭差を検出する差圧計測式の第1の水位計と、
前記第1の水位計とは異なる非差圧式水位計の構成を有し、前記原子炉圧力容器の水位を検出する第2の水位計と、
前記原子炉格納容器または前記原子炉圧力容器の状態に基づいて、前記第1の水位計または前記第2の水位計を選択し、選択された水位計の検出結果に基づいて前記原子炉圧力容器の水位を指示・記録する演算装置とを備え、
前記第2の水位計は、前記原子炉圧力容器内または前記原子炉圧力容器外に配置され、過渡時および事故時において前記差圧計測式とは異なる方式で前記原子炉圧力容器内の炉心よりも下部の水位を検出することを特徴とする原子炉水位計測システム。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011253143A JP5677274B2 (ja) | 2011-11-18 | 2011-11-18 | 原子炉水位計測システム |
PCT/JP2012/007296 WO2013073178A1 (ja) | 2011-11-18 | 2012-11-14 | 原子炉水位計測システム |
EP12850313.3A EP2782101A4 (en) | 2011-11-18 | 2012-11-14 | WATER LEVEL MEASUREMENT SYSTEM FOR A REACTOR |
US14/359,197 US20140270037A1 (en) | 2011-11-18 | 2012-11-14 | Reactor water level measurement system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011253143A JP5677274B2 (ja) | 2011-11-18 | 2011-11-18 | 原子炉水位計測システム |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014194490A Division JP5815100B2 (ja) | 2014-09-24 | 2014-09-24 | 原子炉水位計測システム |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2013108810A JP2013108810A (ja) | 2013-06-06 |
JP2013108810A5 JP2013108810A5 (ja) | 2014-04-17 |
JP5677274B2 true JP5677274B2 (ja) | 2015-02-25 |
Family
ID=48429272
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011253143A Active JP5677274B2 (ja) | 2011-11-18 | 2011-11-18 | 原子炉水位計測システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140270037A1 (ja) |
EP (1) | EP2782101A4 (ja) |
JP (1) | JP5677274B2 (ja) |
WO (1) | WO2013073178A1 (ja) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104596597B (zh) * | 2014-01-03 | 2018-10-30 | 黄东升 | 浓缩锅水份发蒸量标定法 |
CN104681109B (zh) * | 2015-03-12 | 2017-11-07 | 中广核工程有限公司 | 一种核电厂压力容器水位测量装置及方法 |
CN107895599A (zh) * | 2017-10-12 | 2018-04-10 | 中广核研究院有限公司 | 一种稳压器水位测量方法及稳压器 |
CN108538413B (zh) * | 2018-03-06 | 2019-11-01 | 哈尔滨工程大学 | 一种用于研究冷凝水箱热工水力特性的实验装置及实验方法 |
CN109473185B (zh) * | 2018-11-13 | 2022-07-29 | 中国核动力研究设计院 | 一种自动化学停堆***的测试装置及其测试方法 |
JP7166158B2 (ja) * | 2018-12-05 | 2022-11-07 | 株式会社東芝 | 原子炉燃料状態監視装置、方法及びプログラム |
JP7349123B2 (ja) * | 2019-03-18 | 2023-09-22 | 株式会社ヒラカワ | ボイラの水位測定装置 |
US11280660B2 (en) | 2019-06-05 | 2022-03-22 | Ge-Hitachi Nuclear Energy Americas Llc | System and method using time-domain reflectometry to measure a level of a liquid |
CN112102976B (zh) * | 2019-06-18 | 2024-02-02 | 国家电投集团科学技术研究院有限公司 | 用于高温蒸汽喷放冷凝温度测量的水下可移动式测量装置 |
CN110265160B (zh) * | 2019-06-19 | 2021-02-02 | 岭澳核电有限公司 | 核电站压力容器水位监测方法及装置 |
CN110277181B (zh) * | 2019-06-19 | 2021-08-03 | 岭澳核电有限公司 | 核电站压力容器水位监测方法及装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57119295A (en) * | 1981-01-19 | 1982-07-24 | Hitachi Ltd | Alarm device of reactor core water level |
US4870278A (en) * | 1988-06-08 | 1989-09-26 | Shell Oil Company | Wide-range fluid level detector |
JP3194075B2 (ja) * | 1995-11-13 | 2001-07-30 | 株式会社日立製作所 | 液位測定装置 |
JPH1039083A (ja) | 1996-07-18 | 1998-02-13 | Toshiba Corp | 炉内情報監視装置 |
JPH10274554A (ja) * | 1997-03-31 | 1998-10-13 | Toshiba Corp | 圧力容器の液位測定装置 |
JP2945907B1 (ja) * | 1998-08-26 | 1999-09-06 | 株式会社東芝 | 炉心流量監視システム |
JP2001324590A (ja) * | 2000-05-17 | 2001-11-22 | Toshiba Eng Co Ltd | 原子炉水位計測システム |
US6938635B2 (en) * | 2002-07-26 | 2005-09-06 | Exxonmobil Research And Engineering Company | Level switch with verification capability |
US7342531B2 (en) * | 2006-02-21 | 2008-03-11 | Rosemount Tank Radar Ab | Redundant level measurement in radar level gauging system |
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2011
- 2011-11-18 JP JP2011253143A patent/JP5677274B2/ja active Active
-
2012
- 2012-11-14 WO PCT/JP2012/007296 patent/WO2013073178A1/ja active Application Filing
- 2012-11-14 EP EP12850313.3A patent/EP2782101A4/en not_active Withdrawn
- 2012-11-14 US US14/359,197 patent/US20140270037A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO2013073178A1 (ja) | 2013-05-23 |
US20140270037A1 (en) | 2014-09-18 |
EP2782101A1 (en) | 2014-09-24 |
JP2013108810A (ja) | 2013-06-06 |
EP2782101A4 (en) | 2015-12-02 |
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