GB2553418B - Fuel assembly mixing grid with flow deflector mixing vanes - Google Patents

Fuel assembly mixing grid with flow deflector mixing vanes Download PDF

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Publication number
GB2553418B
GB2553418B GB1710630.3A GB201710630A GB2553418B GB 2553418 B GB2553418 B GB 2553418B GB 201710630 A GB201710630 A GB 201710630A GB 2553418 B GB2553418 B GB 2553418B
Authority
GB
United Kingdom
Prior art keywords
mixing
fuel assembly
flow deflector
grid
vanes
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.)
Active
Application number
GB1710630.3A
Other versions
GB201710630D0 (en
GB2553418A (en
Inventor
Yu Wenchi
Li Weicai
Li Xianfeng
Wang Renjun
Nie Lihong
Chen Xiaoming
Pang Zhengzheng
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Original Assignee
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China General Nuclear Power Corp, China Nuclear Power Technology Research Institute Co Ltd, CGN Power Co Ltd filed Critical China General Nuclear Power Corp
Publication of GB201710630D0 publication Critical patent/GB201710630D0/en
Publication of GB2553418A publication Critical patent/GB2553418A/en
Application granted granted Critical
Publication of GB2553418B publication Critical patent/GB2553418B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/322—Means to influence the coolant flow through or around the bundles
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/352—Spacer grids formed of assembled intersecting strips
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C3/00—Reactor fuel elements and their assemblies; Selection of substances for use as reactor fuel elements
    • G21C3/30—Assemblies of a number of fuel elements in the form of a rigid unit
    • G21C3/32—Bundles of parallel pin-, rod-, or tube-shaped fuel elements
    • G21C3/34—Spacer grids
    • G21C3/3432—Grids designed to influence the coolant, i.e. coolant mixing function
    • 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)
  • Fuel Cell (AREA)
GB1710630.3A 2014-12-05 2015-11-30 Fuel assembly mixing grid with flow deflector mixing vanes Active GB2553418B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410734800.6A CN104485137B (en) 2014-12-05 2014-12-05 Fuel assembly blending screenwork with rectifying type blending wings
PCT/CN2015/095902 WO2016086809A1 (en) 2014-12-05 2015-11-30 Fuel component stirring-mixing lattice provided with fairing-type stirring-mixing vanes

Publications (3)

Publication Number Publication Date
GB201710630D0 GB201710630D0 (en) 2017-08-16
GB2553418A GB2553418A (en) 2018-03-07
GB2553418B true GB2553418B (en) 2020-09-09

Family

ID=52759675

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1710630.3A Active GB2553418B (en) 2014-12-05 2015-11-30 Fuel assembly mixing grid with flow deflector mixing vanes

Country Status (3)

Country Link
CN (1) CN104485137B (en)
GB (1) GB2553418B (en)
WO (1) WO2016086809A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104485137B (en) * 2014-12-05 2017-04-26 中广核研究院有限公司 Fuel assembly blending screenwork with rectifying type blending wings
WO2018053812A1 (en) * 2016-09-23 2018-03-29 中广核研究院有限公司 Outer strip, spacer grid for nuclear reactor fuel assembly and nuclear reactor fuel assembly
CN111477356A (en) * 2020-05-25 2020-07-31 中国原子能科学研究院 Grid cell type positioning grid with turbulence wings
CN114220558B (en) * 2021-11-18 2023-06-13 中国核动力研究设计院 Fuel assembly grid, fuel assembly and pressurized water reactor core

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039379A (en) * 1975-02-28 1977-08-02 Exxon Nuclear Company, Inc. Mixing vane grid spacer
CN1701392A (en) * 2003-03-06 2005-11-23 法玛通Anp有限公司 Spacer
TW201023206A (en) * 2008-08-26 2010-06-16 Areva Np Spacer grid for fuel assembly and associated fuel assembly
CN101752015A (en) * 2008-12-03 2010-06-23 中国核动力研究设计院 Location grid with inclined mixing blade
CN102568632A (en) * 2012-03-02 2012-07-11 中科华核电技术研究院有限公司 Screenwork for nuclear fuel component and mixing stick for screenwork
CN104485137A (en) * 2014-12-05 2015-04-01 中科华核电技术研究院有限公司 Fuel assembly blending screenwork with rectifying type blending wings
CN204332387U (en) * 2014-12-05 2015-05-13 中科华核电技术研究院有限公司 The fuel assembly mixing grillwork of the wing is mixed containing rectification type

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0627275A (en) * 1992-07-10 1994-02-04 Mitsubishi Nuclear Fuel Co Ltd Supporting grid of fuel assembly
KR100423737B1 (en) * 2001-08-07 2004-03-22 한국수력원자력 주식회사 spacer grid with double deflected vanes in nuclear fuel assembly
DE102004014499B3 (en) * 2004-03-25 2005-09-01 Framatome Anp Gmbh Fuel element for a pressure water nuclear reactor, with a number of fuel rods, has spaced holders in grid cells with flow units to give structured cool water flows
CN202948731U (en) * 2012-12-20 2013-05-22 中国核动力研究设计院 Positioning grillwork with blending property for nuclear fuel assembly

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039379A (en) * 1975-02-28 1977-08-02 Exxon Nuclear Company, Inc. Mixing vane grid spacer
CN1701392A (en) * 2003-03-06 2005-11-23 法玛通Anp有限公司 Spacer
TW201023206A (en) * 2008-08-26 2010-06-16 Areva Np Spacer grid for fuel assembly and associated fuel assembly
CN101752015A (en) * 2008-12-03 2010-06-23 中国核动力研究设计院 Location grid with inclined mixing blade
CN102568632A (en) * 2012-03-02 2012-07-11 中科华核电技术研究院有限公司 Screenwork for nuclear fuel component and mixing stick for screenwork
CN104485137A (en) * 2014-12-05 2015-04-01 中科华核电技术研究院有限公司 Fuel assembly blending screenwork with rectifying type blending wings
CN204332387U (en) * 2014-12-05 2015-05-13 中科华核电技术研究院有限公司 The fuel assembly mixing grillwork of the wing is mixed containing rectification type

Also Published As

Publication number Publication date
CN104485137B (en) 2017-04-26
WO2016086809A1 (en) 2016-06-09
CN104485137A (en) 2015-04-01
GB201710630D0 (en) 2017-08-16
GB2553418A (en) 2018-03-07

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