JP2011137815A - 受動的空気注入により原子炉のオフガスシステムの水素濃度を制御する方法 - Google Patents
受動的空気注入により原子炉のオフガスシステムの水素濃度を制御する方法 Download PDFInfo
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- JP2011137815A JP2011137815A JP2010282652A JP2010282652A JP2011137815A JP 2011137815 A JP2011137815 A JP 2011137815A JP 2010282652 A JP2010282652 A JP 2010282652A JP 2010282652 A JP2010282652 A JP 2010282652A JP 2011137815 A JP2011137815 A JP 2011137815A
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- hydrogen
- ambient air
- oxygen
- gas
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 79
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 79
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 73
- 238000002347 injection Methods 0.000 title claims abstract description 59
- 239000007924 injection Substances 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 29
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 75
- 239000001301 oxygen Substances 0.000 claims abstract description 75
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 75
- 239000007789 gas Substances 0.000 claims abstract description 64
- 239000012080 ambient air Substances 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 37
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims 1
- 239000003570 air Substances 0.000 abstract description 66
- 239000000243 solution Substances 0.000 abstract 1
- 238000002955 isolation Methods 0.000 description 25
- 230000014509 gene expression Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003608 radiolysis reaction Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/04—Safety arrangements
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/28—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core
- G21C19/30—Arrangements for introducing fluent material into the reactor core; Arrangements for removing fluent material from the reactor core with continuous purification of circulating fluent material, e.g. by extraction of fission products deterioration or corrosion products, impurities, e.g. by cold traps
- G21C19/317—Recombination devices for radiolytic dissociation products
-
- 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
- G21C9/04—Means for suppressing fires ; Earthquake protection
- G21C9/06—Means for preventing accumulation of explosives gases, e.g. recombiners
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21D—NUCLEAR POWER PLANT
- G21D3/00—Control of nuclear power plant
- G21D3/08—Regulation of any parameters in the plant
-
- 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
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Structure Of Emergency Protection For Nuclear Reactors (AREA)
Abstract
【解決手段】水素水化学システムを介してオフガスシステムの既存のオフガス管路に周囲空気を受動的に注入するステップを含む。オフガス管路は、水素を含む非凝縮性ガスを復水器102から再結合器104に送るように構成される。受動的空気注入の結果、水素と酸素の混合流が再結合器104内で反応して水蒸気が発生し、これに伴って、再結合器104から流出するオフガスの水素濃度が低下する。
【選択図】図1
Description
102、202 タービン/復水器
104、204 再結合器
106、206 水素注入装置
108 酸素注入装置
110、210 ガス供給源
112、212 モニタ
114、214 受動的空気注入モジュール
116、216 主制御装置
300 受動的空気注入モジュール
301、401 空気フィルタ
302、402 自動隔離弁
303、403 弁位置スイッチ
304、404 ソレノイド弁
305、405 手動隔離弁
306、406 圧力送信器
307、407 臨界流オリフィス
308、408 圧力計
310 コントロールパネル
Claims (10)
- 水素水化学システム注入により原子炉のオフガスシステムの水素濃度を制御する方法であって:
水素水化学システムを介して、オフガスシステムの既存のオフガス管路に周囲空気を受動的に注入するステップを含み、
前記オフガス管路は、水素と酸素とその他の非凝縮性ガスとを含有するガスを復水器(102)から再結合器(104)に送るように構成され、
前記再結合器(104)は、水素を酸素と反応させて水蒸気を発生させるように構成されている
ことを特徴とする、方法。 - 前記周囲空気は、前記再結合器(104)よりも上流のポイントで前記オフガス管路に受動的に注入される、請求項1に記載の方法。
- 前記周囲空気は、自動弁を開弁し、前記オフガスシステムがもたらす真空によって前記周囲空気が前記オフガス管路に引き込まれることにより、受動的に注入される、請求項1に記載の方法。
- 前記自動弁は、ソレノイド弁(304)を介して制御される空気動作式遮断弁(302)である、請求項3に記載の方法。
- 前記自動弁は、ソレノイド弁(304)である、請求項3に記載の方法。
- 前記周囲空気は、臨界流オリフィス(307)を用いて前記オフガス管路に所望の流量で受動的に注入される、請求項1に記載の方法。
- 前記周囲空気は、流量計と流量制御弁を用いて前記オフガス管路に所望の流量で受動的に注入される、請求項1に記載の方法。
- 前記オフガス管路への注入前に前記周囲空気を濾過するステップを更に含む、請求項1に記載の方法。
- 前記周囲空気は、前記水素水化学システムの予備酸素源として受動的に注入される、請求項1に記載の方法。
- 前記周囲空気は、前記水素水化学システムの主酸素源として受動的に注入される、請求項1に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/647,819 US8105563B2 (en) | 2009-12-28 | 2009-12-28 | Methods of controlling hydrogen concentrations in an offgas system of a nuclear reactor by passive air injection |
US12/647,819 | 2009-12-28 |
Publications (2)
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JP2011137815A true JP2011137815A (ja) | 2011-07-14 |
JP5608068B2 JP5608068B2 (ja) | 2014-10-15 |
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JP2010282652A Active JP5608068B2 (ja) | 2009-12-28 | 2010-12-20 | 受動的空気注入により原子炉のオフガスシステムの水素濃度を制御する方法 |
Country Status (4)
Country | Link |
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US (1) | US8105563B2 (ja) |
EP (1) | EP2339590B1 (ja) |
JP (1) | JP5608068B2 (ja) |
ES (1) | ES2557287T3 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020073940A (ja) * | 2012-12-21 | 2020-05-14 | ジーイー−ヒタチ・ニュークリア・エナジー・アメリカズ・エルエルシーGe−Hitachi Nuclear Energy Americas, Llc | 沸騰水炉用運転始動/運転停止水素注入システムおよびその方法 |
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CN102749197B (zh) * | 2012-05-28 | 2015-01-07 | 兰州理工大学 | 适用于气液两相介质时液力透平实验装置 |
CN103035306A (zh) * | 2012-12-13 | 2013-04-10 | 武汉海王新能源工程技术有限公司 | 核电站用氢气管路安全装置 |
CN104299666A (zh) * | 2014-08-26 | 2015-01-21 | 上海舜华新能源系统有限公司 | 一种超微流量的高压氢气精确注气系统及注气方法 |
CN104269195B (zh) * | 2014-10-13 | 2016-08-24 | 中国工程物理研究院材料研究所 | 模拟核电安全壳基准事故工况的实验系统的实现方法 |
CN104392753B (zh) * | 2014-10-13 | 2016-12-07 | 中国工程物理研究院材料研究所 | 模拟核电安全壳严重事故工况的实验系统及其实现方法 |
Citations (4)
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JPH03144400A (ja) * | 1989-10-30 | 1991-06-19 | Hitachi Ltd | 放射性気体廃棄物処理装置 |
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JP2004069572A (ja) * | 2002-08-08 | 2004-03-04 | Hitachi Ltd | 沸騰水型原子力発電所の復水器真空度調節装置 |
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US3658996A (en) * | 1969-02-03 | 1972-04-25 | Westinghouse Electric Corp | System for the removal of hydrogen from nuclear containment structures |
US4014984A (en) * | 1972-10-27 | 1977-03-29 | Universal Oil Products Company | Recombining of dissociated hydrogen and oxygen |
US4119706A (en) * | 1976-10-12 | 1978-10-10 | Engelhard Minerals & Chemicals Corporation | Method of catalytically recombining radiolytic hydrogen and radiolytic oxygen |
JP3135385B2 (ja) * | 1992-09-24 | 2001-02-13 | 株式会社東芝 | 原子力プラントの水質改善装置 |
ES2291049T3 (es) * | 1998-09-30 | 2008-02-16 | Areva Np Gmbh | Dispositivo y procedimiento para la recombinacion de hidrogeno y oxigeno en una mezcla gaseosa. |
US20040057549A1 (en) * | 2000-08-08 | 2004-03-25 | Hitachi, Ltd. | Method of operating nuclear reactor |
FR2925752B1 (fr) * | 2007-12-21 | 2012-03-09 | Tn Int | Dispositif de transport et/ou de stockage de matieres radioactives concu pour permettre la liberation controlee d'oxygene dans une enceinte fermee |
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- 2009-12-28 US US12/647,819 patent/US8105563B2/en active Active
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- 2010-12-14 ES ES10195009.5T patent/ES2557287T3/es active Active
- 2010-12-14 EP EP10195009.5A patent/EP2339590B1/en active Active
- 2010-12-20 JP JP2010282652A patent/JP5608068B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH03144400A (ja) * | 1989-10-30 | 1991-06-19 | Hitachi Ltd | 放射性気体廃棄物処理装置 |
JP2001349983A (ja) * | 2000-06-12 | 2001-12-21 | Toshiba Corp | 沸騰水型原子力発電プラントの運転方法 |
JP2003302494A (ja) * | 2002-02-04 | 2003-10-24 | Framatome Anp Gmbh | 気体の触媒酸化法と再結合装置及びシステム |
JP2004069572A (ja) * | 2002-08-08 | 2004-03-04 | Hitachi Ltd | 沸騰水型原子力発電所の復水器真空度調節装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020073940A (ja) * | 2012-12-21 | 2020-05-14 | ジーイー−ヒタチ・ニュークリア・エナジー・アメリカズ・エルエルシーGe−Hitachi Nuclear Energy Americas, Llc | 沸騰水炉用運転始動/運転停止水素注入システムおよびその方法 |
US10964436B2 (en) | 2012-12-21 | 2021-03-30 | Ge-Hitachi Nuclear Energy Americas Llc | System for hydrogen injection for boiling water reactors (BWRs) during startup / shutdown |
Also Published As
Publication number | Publication date |
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EP2339590B1 (en) | 2015-10-28 |
US20110158879A1 (en) | 2011-06-30 |
EP2339590A3 (en) | 2014-06-18 |
US8105563B2 (en) | 2012-01-31 |
ES2557287T3 (es) | 2016-01-25 |
EP2339590A2 (en) | 2011-06-29 |
JP5608068B2 (ja) | 2014-10-15 |
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