GB1441856A - Fast-neutron nuclear reactors - Google Patents

Fast-neutron nuclear reactors

Info

Publication number
GB1441856A
GB1441856A GB2813974A GB2813974A GB1441856A GB 1441856 A GB1441856 A GB 1441856A GB 2813974 A GB2813974 A GB 2813974A GB 2813974 A GB2813974 A GB 2813974A GB 1441856 A GB1441856 A GB 1441856A
Authority
GB
United Kingdom
Prior art keywords
collar
plate
vessels
thermal insulation
parts
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.)
Expired
Application number
GB2813974A
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
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Publication of GB1441856A publication Critical patent/GB1441856A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G21C15/02—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices
    • G21C15/10—Arrangements or disposition of passages in which heat is transferred to the coolant; Coolant flow control devices from reflector or thermal shield
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C11/00—Shielding structurally associated with the reactor
    • G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
    • G21C11/083—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of one or more metallic layers
    • G21C11/085—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of one or more metallic layers consisting exclusively of several metallic layers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C11/00—Shielding structurally associated with the reactor
    • G21C11/08—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation
    • G21C11/088—Thermal shields; Thermal linings, i.e. for dissipating heat from gamma radiation which would otherwise heat an outer biological shield ; Thermal insulation consisting of a stagnant or a circulating fluid
    • 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

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Molecular Biology (AREA)
  • Structure Of Emergency Protection For Nuclear Reactors (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

1441856 Nuclear reactor containments COMMISSARIAT A L'ENERGIE ATOMIQUE 25 June 1974 [26 June 1973] 28139/74 Heading G6C In a fast reactor cooled by liquid sodium 4 contained in a main vessel 3 which is spaced from a surrounding safety vessel 6, upper parts 18, 19 of the vessels' walls are protected by a thermal insulation structure disposed between opposed faces of the wall parts 18, 19 and secured by a metal plate, and by a collar 29 adjacent the the inner surface of the vessel 3 in the region of of its upper wall part 18, the lower end portion of the collar 29 being immersed in the coolant. In the embodiment shown, the thermal insulation structure is constituted by metal mesh 22 and the retaining plate 21 comprises individual portions 21a-21f secured to the wall parts 18, 19 (which are of increased thickness compared with lower parts of the walls) by studs 23 fitted with caps 24. A closure slab 9 is similarly thermally insulated. The space 20 between the vessels 3, 6 contains nitrogen. In another embodiment (Fig. 3, not shown) the collar (29) is similarly insulated and the space between the vessels 3, 6 is divided into lower and upper portions (20, 20a) by a plate (33) and a collar (37), similar thermal insulation being retained between the plate (33) and collar (37). Some of the mesh in the upper portion (20a) rests on an abutment (32) on a further collar (30) which replaces the retaining plate of the previous embodiment.
GB2813974A 1973-06-26 1974-06-25 Fast-neutron nuclear reactors Expired GB1441856A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7323337A FR2235461B1 (en) 1973-06-26 1973-06-26

Publications (1)

Publication Number Publication Date
GB1441856A true GB1441856A (en) 1976-07-07

Family

ID=9121588

Family Applications (2)

Application Number Title Priority Date Filing Date
GB2813974A Expired GB1441856A (en) 1973-06-26 1974-06-25 Fast-neutron nuclear reactors
GB2814074A Expired GB1442228A (en) 1973-06-26 1974-06-25 Fast-neutron nuclear reactors proc

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB2814074A Expired GB1442228A (en) 1973-06-26 1974-06-25 Fast-neutron nuclear reactors proc

Country Status (4)

Country Link
ES (1) ES427689A1 (en)
FR (1) FR2235461B1 (en)
GB (2) GB1441856A (en)
IT (2) IT1014368B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113161023A (en) * 2021-05-07 2021-07-23 浙江大亚节能科技有限公司 Support arrangement for nuclear power pressure vessel heat preservation

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2316704A1 (en) * 1975-06-20 1977-01-28 Atomic Energy Authority Uk Insulation system for concrete roof over a nuclear reactor - comprises parallel spaced superimposed plates with insert baffles for preventing sodium vapour convection
US4298431A (en) * 1977-06-13 1981-11-03 Commissariat A L'energie Atomique Device for the thermal protection of an internal structure of a liquid metal cooled fast reactor
GB2131922B (en) * 1982-12-03 1986-08-20 Nat Nuclear Corp Ltd Liquid metal cooled nuclear reactor constructions
GB8404750D0 (en) * 1984-02-23 1984-03-28 Nat Nuclear Corp Ltd Nuclear reactors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113161023A (en) * 2021-05-07 2021-07-23 浙江大亚节能科技有限公司 Support arrangement for nuclear power pressure vessel heat preservation

Also Published As

Publication number Publication date
FR2235461A1 (en) 1975-01-24
FR2235461B1 (en) 1976-11-12
IT1014368B (en) 1977-04-20
GB1442228A (en) 1976-07-14
IT1014369B (en) 1977-04-20
ES427689A1 (en) 1977-10-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee