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FR3085531B1 - Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides - Google Patents

Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides Download PDF

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Publication number
FR3085531B1
FR3085531B1 FR1857969A FR1857969A FR3085531B1 FR 3085531 B1 FR3085531 B1 FR 3085531B1 FR 1857969 A FR1857969 A FR 1857969A FR 1857969 A FR1857969 A FR 1857969A FR 3085531 B1 FR3085531 B1 FR 3085531B1
Authority
FR
France
Prior art keywords
assembly
reactivity
nuclear reactor
control
waterproof structure
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
FR1857969A
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English (en)
Other versions
FR3085531A1 (fr
Inventor
Denis Lorenzo
Jean-Michel Escleine
Benoit Perrin
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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
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.)
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Publication date
Application filed by Commissariat a lEnergie Atomique CEA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1857969A priority Critical patent/FR3085531B1/fr
Publication of FR3085531A1 publication Critical patent/FR3085531A1/fr
Application granted granted Critical
Publication of FR3085531B1 publication Critical patent/FR3085531B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G21C7/10—Construction of control elements
    • G21C7/103—Control assemblies containing one or more absorbants as well as other elements, e.g. fuel or moderator elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C1/00—Reactor types
    • G21C1/02—Fast fission reactors, i.e. reactors not using a moderator ; Metal cooled reactors; Fast breeders
    • 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
    • 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)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

L'invention concerne un assemblage de maîtrise de la réactivité nucléaire (1, l'), destiné à être inséré dans un réacteur nucléaire, comprenant : - un boîtier d'assemblage (2), - une barre de contrôle (5), logée et maintenue dans le boîtier d'assemblage, la barre de contrôle pouvant être libérée et comportant : • un faisceau d'aiguilles absorbantes (52), • une coque étanche (56, 53', 56'), • une pièce métallique (55, 55') étanche et réalisée sans liaison mécanique, contenue à l'intérieur de la coque étanche avec un jeu réduit et non nul.
FR1857969A 2018-09-05 2018-09-05 Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides Active FR3085531B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1857969A FR3085531B1 (fr) 2018-09-05 2018-09-05 Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1857969A FR3085531B1 (fr) 2018-09-05 2018-09-05 Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides
FR1857969 2018-09-05

Publications (2)

Publication Number Publication Date
FR3085531A1 FR3085531A1 (fr) 2020-03-06
FR3085531B1 true FR3085531B1 (fr) 2020-10-30

Family

ID=65201288

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1857969A Active FR3085531B1 (fr) 2018-09-05 2018-09-05 Structure etanche pour assemblage de maitrise de la reactivite de reacteur nucleaire a neutrons rapides

Country Status (1)

Country Link
FR (1) FR3085531B1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE629115A (fr) * 1962-03-02
US4769208A (en) * 1982-03-23 1988-09-06 The United States Of America As Represented By The United States Department Of Energy Automatic safety rod for reactors
FR3044156B1 (fr) 2015-11-23 2017-11-10 Commissariat Energie Atomique Dispositif de surete a declenchement passif pour reacteur nucleaire sur une baisse anormale du debit primaire
FR3044155B1 (fr) 2015-11-23 2017-11-10 Commissariat Energie Atomique Dispositif de surete a declenchement passif pour reacteur nucleaire sur une baisse anormale du debit primaire

Also Published As

Publication number Publication date
FR3085531A1 (fr) 2020-03-06

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