ZA201502771B - Combined active and passive emergency shutdown system and method - Google Patents

Combined active and passive emergency shutdown system and method

Info

Publication number
ZA201502771B
ZA201502771B ZA2015/02771A ZA201502771A ZA201502771B ZA 201502771 B ZA201502771 B ZA 201502771B ZA 2015/02771 A ZA2015/02771 A ZA 2015/02771A ZA 201502771 A ZA201502771 A ZA 201502771A ZA 201502771 B ZA201502771 B ZA 201502771B
Authority
ZA
South Africa
Prior art keywords
emergency shutdown
shutdown system
combined active
passive emergency
passive
Prior art date
Application number
ZA2015/02771A
Inventor
Bin Zhao
Weifeng Huang
Yong Yu
Xia Zhao
Original Assignee
China Nuclear Power Eng 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 Nuclear Power Eng Co Ltd filed Critical China Nuclear Power Eng Co Ltd
Publication of ZA201502771B publication Critical patent/ZA201502771B/en

Links

Classifications

    • 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
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/027—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency by fast movement of a solid, e.g. pebbles
    • 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
    • G21C9/02—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency
    • G21C9/033—Means for effecting very rapid reduction of the reactivity factor under fault conditions, e.g. reactor fuse; Control elements having arrangements activated in an emergency by an absorbent fluid
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/08—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of solid control elements, e.g. control rods
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C7/00—Control of nuclear reaction
    • G21C7/06—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section
    • G21C7/22—Control of nuclear reaction by application of neutron-absorbing material, i.e. material with absorption cross-section very much in excess of reflection cross-section by displacement of a fluid or fluent neutron-absorbing material, e.g. by adding neutron-absorbing material to the coolant
    • 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)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
ZA2015/02771A 2012-09-27 2015-04-23 Combined active and passive emergency shutdown system and method ZA201502771B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201210374796.8A CN102881340B (en) 2012-09-27 2012-09-27 A kind of active and non-active last moment emergency shut-down of combining and method
PCT/CN2013/084045 WO2014048291A1 (en) 2012-09-27 2013-09-24 Combined active and passive emergency shutdown system and method

Publications (1)

Publication Number Publication Date
ZA201502771B true ZA201502771B (en) 2016-02-24

Family

ID=47482632

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA2015/02771A ZA201502771B (en) 2012-09-27 2015-04-23 Combined active and passive emergency shutdown system and method

Country Status (5)

Country Link
CN (1) CN102881340B (en)
GB (1) GB2519920B (en)
MY (1) MY171943A (en)
WO (1) WO2014048291A1 (en)
ZA (1) ZA201502771B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102881340B (en) * 2012-09-27 2015-09-23 中国核电工程有限公司 A kind of active and non-active last moment emergency shut-down of combining and method
CN104332207B (en) * 2013-07-22 2017-01-18 中国核动力研究设计院 Method for automatically stopping coolant pump under reactor coolant loss accident condition
US10304575B2 (en) * 2013-12-26 2019-05-28 Nuscale Power, Llc Actuating a nuclear reactor safety device
US20170140842A1 (en) 2015-11-12 2017-05-18 Westinghouse Electric Company Llc Subcritical Reactivity Monitor Utilizing Prompt Self-Powered Incore Detectors
CN106887259A (en) * 2015-12-15 2017-06-23 中国核动力研究设计院 A kind of nuclear power plant fast and safely reactor shut-off system
CN110168666B (en) 2016-12-30 2023-11-10 纽斯高动力有限责任公司 control rod damping system
CN109427422A (en) * 2017-08-29 2019-03-05 华北电力大学 A kind of dense boric acid injected system of emergency is as second set of reactor shut-off system of presurized water reactor
US11105526B1 (en) 2017-09-29 2021-08-31 Integrated Global Services, Inc. Safety shutdown systems and methods for LNG, crude oil refineries, petrochemical plants, and other facilities
RU184861U1 (en) * 2018-04-10 2018-11-13 Акционерное общество "Центральный конструкторско-технологический институт арматуростроения" NUCLEAR STEAM PRODUCTION UNIT
CN109473185B (en) * 2018-11-13 2022-07-29 中国核动力研究设计院 Testing device and testing method for automatic chemical reactor shutdown system
CN109686465A (en) * 2018-11-27 2019-04-26 中广核研究院有限公司 A kind of diagnostic method of reactor shutdown failure
CN116313178B (en) * 2023-04-13 2024-03-22 中国原子能科学研究院 Reactor and reactivity control system thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61118692A (en) * 1984-11-13 1986-06-05 ウエスチングハウス　エレクトリック　コ−ポレ−ション Method of operating generation system of pressurized water type reactor
JPH03279892A (en) * 1990-03-29 1991-12-11 Toshiba Corp Setup method for trip level of control rod extraction monitor device
CN1447342A (en) * 2003-04-04 2003-10-08 清华大学 Second shutdown system of absorption ball applicable to gas-cooled reactor
CN100341075C (en) * 2004-12-03 2007-10-03 大亚湾核电运营管理有限责任公司 Method for improving integrated reliability of nuclear power station safety injection system
FR2910688A1 (en) * 2006-12-21 2008-06-27 Data Systems & Solutions Soc P CONTROL SYSTEM FOR NUCLEAR REACTOR BAR CONTROL MECHANISMS.
CN202887744U (en) * 2012-09-27 2013-04-17 中国核电工程有限公司 Combined active and passive emergency shut-down system
CN102881340B (en) * 2012-09-27 2015-09-23 中国核电工程有限公司 A kind of active and non-active last moment emergency shut-down of combining and method

Also Published As

Publication number Publication date
GB2519920A (en) 2015-05-06
GB2519920B (en) 2018-08-08
WO2014048291A1 (en) 2014-04-03
CN102881340A (en) 2013-01-16
MY171943A (en) 2019-11-08
GB201504153D0 (en) 2015-04-29
CN102881340B (en) 2015-09-23

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