JP2011503615A - 原子炉のための安定始動システム - Google Patents
原子炉のための安定始動システム Download PDFInfo
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- JP2011503615A JP2011503615A JP2010534102A JP2010534102A JP2011503615A JP 2011503615 A JP2011503615 A JP 2011503615A JP 2010534102 A JP2010534102 A JP 2010534102A JP 2010534102 A JP2010534102 A JP 2010534102A JP 2011503615 A JP2011503615 A JP 2011503615A
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- 239000002826 coolant Substances 0.000 claims abstract description 83
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000010438 heat treatment Methods 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 18
- 230000008859 change Effects 0.000 description 10
- 230000001052 transient effect Effects 0.000 description 9
- 238000009835 boiling Methods 0.000 description 8
- 230000000630 rising effect Effects 0.000 description 7
- 230000009257 reactivity Effects 0.000 description 6
- 230000004992 fission Effects 0.000 description 5
- 239000000446 fuel Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
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- 238000004088 simulation Methods 0.000 description 3
- 241000237858 Gastropoda Species 0.000 description 2
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000005658 nuclear physics Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
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- 230000001629 suppression Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- 239000000243 solution Substances 0.000 description 1
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- 238000011282 treatment Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C1/00—Reactor types
- G21C1/04—Thermal reactors ; Epithermal reactors
- G21C1/06—Heterogeneous reactors, i.e. in which fuel and moderator are separated
- G21C1/08—Heterogeneous reactors, i.e. in which fuel and moderator are separated moderator being highly pressurised, e.g. boiling water reactor, integral super-heat reactor, pressurised water reactor
-
- 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
-
- 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)
- Monitoring And Testing Of Nuclear Reactors (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。
uco 炉心6内の冷却材速度
β 冷却材45の熱膨脹係数
qin 加熱速度
Lth 加熱器と冷却器との間の中心距離
g 重力定数
ρ 液体比重
ac 炉心中の液体の流れ領域
Cp 流体の熱容量
Rf 無次元ループ抵抗
図3−5の異なる出力過渡変動に関し、原子炉の出力密度Pと反応度Rの曲線は図3A、4A及び5Aに示されており、減速材温度TM、入口温度TI及び燃料温度TFの曲線は図3B、4B及び5Bに示されている。
前記安定始動システムによって生成される熱量、冷却材の温度の増減率及び出力密度の増減率は、ここに記載された他の割合及び値と同様、例示に過ぎない。他の割合及び値は、原子炉の原寸の建設物や縮尺模型などの実験で決めることができる。
6 炉心
20、60、70 安定始動システム
22 炉心隔壁
23 アニュラス部
24 立ち上がり部
26 熱吸収源
28 下部プレナム
30 二次冷却系統
40 流体の流れ
45 冷却材
55 加圧システム
65 上部ヘッド空間
80 ノズル
85 循環ループ
90、95 採取管
100 加熱器
Claims (20)
- 原子炉容器内に収容された炉心と、
前記原子炉容器から熱を取り除くように構成された熱吸収源と、
前記炉心の初期化に先立って前記原子炉容器に熱を加えるように構成された電熱器とを含む、安定始動システム - 前記熱吸収源は二次冷却系の熱交換器である、請求項1に記載のシステム。
- 前記熱吸収源は前記炉心の上方の高さ位置に配置されている、請求項水1に記載のシステム。
- 前記加熱器は前記熱吸収源の下方の高さ位置に配置されている、請求項1に記載のシステム。
- 前記加熱器は前記炉心の上方に配置されている、請求項1に記載のシステム。
- 前記加熱器は前記炉心の下方に配置されている、請求項1に記載のシステム。
- さらに、ポンプを含み、該ポンプは、前記加熱器から前記原子炉容器内の前記熱吸収源の下方にある高さ位置に水を循環させるように、構成されている、請求項1に記載のシステム。
- 前記加熱器は、前記炉心の作動後に前記原子炉容器中の圧力を制御する、請求項1に記載のシステム。
- 冷却材を収容する原子炉容器と、
前記冷却材に浸漬された炉心と、
前記冷却材から熱を除去するように構成された熱交換器と、
始動運転中及び前記炉心が臨界に達する前、前記冷却材に熱を加えるように構成された1つ以上の加熱器とを含む、原子炉モジュール。 - 前記熱交換器から前記炉心を通って前記1つ以上の加熱器への前記冷却材の自然循環を提供する運転温度に前記1つ以上の加熱器が前記冷却材を熱する、請求項9に記載の原子炉モジュール。
- 前記炉心は、前記冷却材が運転温度に達した後に臨界に達することが可能な、請求項10に記載の原子炉モジュール。
- 前記熱交換器は前記炉心の上方に配置され、前記1つ以上の加熱器は前記熱交換器の下方に配置されている、請求項10に記載の原子炉モジュール。
- 前記1つ以上の加熱器は、さらに、前記炉心が臨界になった後に前記原子炉容器内の圧力を制御するように、構成されている、請求項9に記載の原子炉モジュール。
- 前記1つ以上の加熱器は、前記原子炉容器内に配置されている、請求項9に記載の原子炉モジュール。
- 一次冷却材の温度を上げるために加熱装置を作動させること、
前記一次冷却材からの熱を除去し、液体比重差で炉心を通る前記一次冷却材の自然循環を引き起こすこと、
前記加熱装置を止めること、及び
臨界を達成するために炉心を初期化することを含む、原子炉の始動の方法。 - 前記一次冷却材は1以上の電熱器により加熱される、請求項15に記載の方法。
- 前記1つ以上の加熱器は前記炉心の下方に配置されている、請求項16に記載の方法。
- さらに、前記炉心が臨界に達した後、前記炉心の運転圧力を制御するために前記加熱装置を再作動することを含む、請求項15に記載の方法。
- さらに、前記一次冷却材の温度を監視することを含み、前記加熱装置は、前記一次冷却材が運転温度に達した後、再作動される、請求項15に記載の方法。
- 前記運転温度は、前記炉心の低出力定常状態に関連した冷却材温度に一致する、請求項19に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US98838207P | 2007-11-15 | 2007-11-15 | |
US60/988,382 | 2007-11-15 | ||
US12/136,625 US8891723B2 (en) | 2007-11-15 | 2008-06-10 | Stable startup system for a nuclear reactor |
US12/136,625 | 2008-06-10 | ||
PCT/US2008/082634 WO2009097033A2 (en) | 2007-11-15 | 2008-11-06 | Stable startup system for a nuclear reactor |
Publications (2)
Publication Number | Publication Date |
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JP2011503615A true JP2011503615A (ja) | 2011-01-27 |
JP5429716B2 JP5429716B2 (ja) | 2014-02-26 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2010534102A Active JP5429716B2 (ja) | 2007-11-15 | 2008-11-06 | 原子炉のための安定始動システム |
Country Status (9)
Country | Link |
---|---|
US (1) | US8891723B2 (ja) |
EP (1) | EP2220654B1 (ja) |
JP (1) | JP5429716B2 (ja) |
KR (1) | KR101261518B1 (ja) |
CN (1) | CN101861627B (ja) |
AT (1) | ATE538476T1 (ja) |
CA (1) | CA2705471C (ja) |
ES (1) | ES2379173T3 (ja) |
WO (1) | WO2009097033A2 (ja) |
Cited By (4)
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CN102592691A (zh) * | 2012-02-16 | 2012-07-18 | 华北电力大学 | 一种核电站停堆后期增强堆芯冷却的补偿装置 |
JP2014506998A (ja) * | 2011-02-15 | 2014-03-20 | ニュースケール パワー エルエルシー | 原子炉に使用される熱除去システム及び方法 |
US9431136B2 (en) | 2007-11-15 | 2016-08-30 | Nuscale Power, Llc | Stable startup system for nuclear reactor |
JP2021032843A (ja) * | 2019-08-29 | 2021-03-01 | 株式会社東芝 | 原子炉および原子炉の運転方法 |
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JP2002350583A (ja) * | 2001-05-23 | 2002-12-04 | Mitsubishi Heavy Ind Ltd | 冷却材自然循環型原子炉 |
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US9431136B2 (en) | 2007-11-15 | 2016-08-30 | Nuscale Power, Llc | Stable startup system for nuclear reactor |
JP2014506998A (ja) * | 2011-02-15 | 2014-03-20 | ニュースケール パワー エルエルシー | 原子炉に使用される熱除去システム及び方法 |
CN102592691A (zh) * | 2012-02-16 | 2012-07-18 | 华北电力大学 | 一种核电站停堆后期增强堆芯冷却的补偿装置 |
JP2021032843A (ja) * | 2019-08-29 | 2021-03-01 | 株式会社東芝 | 原子炉および原子炉の運転方法 |
JP7225061B2 (ja) | 2019-08-29 | 2023-02-20 | 株式会社東芝 | 原子炉および原子炉の運転方法 |
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WO2009097033A2 (en) | 2009-08-06 |
EP2220654A2 (en) | 2010-08-25 |
CA2705471A1 (en) | 2009-08-06 |
ES2379173T3 (es) | 2012-04-23 |
JP5429716B2 (ja) | 2014-02-26 |
US8891723B2 (en) | 2014-11-18 |
KR101261518B1 (ko) | 2013-05-06 |
CN101861627A (zh) | 2010-10-13 |
WO2009097033A3 (en) | 2009-11-12 |
CA2705471C (en) | 2014-10-21 |
ATE538476T1 (de) | 2012-01-15 |
EP2220654B1 (en) | 2011-12-21 |
CN101861627B (zh) | 2013-02-13 |
KR20100072374A (ko) | 2010-06-30 |
US20090129532A1 (en) | 2009-05-21 |
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