GB1279654A - Moderator blocks for fluid-cooled nuclear reactors - Google Patents

Moderator blocks for fluid-cooled nuclear reactors

Info

Publication number
GB1279654A
GB1279654A GB43084/69A GB4308469A GB1279654A GB 1279654 A GB1279654 A GB 1279654A GB 43084/69 A GB43084/69 A GB 43084/69A GB 4308469 A GB4308469 A GB 4308469A GB 1279654 A GB1279654 A GB 1279654A
Authority
GB
United Kingdom
Prior art keywords
block
channels
radii
segmental
area
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
GB43084/69A
Inventor
Alfred John Joyce
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.)
British Nuclear Design of Construction Ltd
Original Assignee
British Nuclear Design of Construction 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
Priority to BE755373D priority Critical patent/BE755373A/en
Application filed by British Nuclear Design of Construction Ltd filed Critical British Nuclear Design of Construction Ltd
Priority to GB43084/69A priority patent/GB1279654A/en
Priority to DE19702042570 priority patent/DE2042570A1/en
Priority to FR7031381A priority patent/FR2059744B1/fr
Priority to CH1295370A priority patent/CH531774A/en
Priority to AT786770A priority patent/AT314672B/en
Priority to NL7012778A priority patent/NL7012778A/xx
Priority to ES383119A priority patent/ES383119A1/en
Priority to SE11693/70A priority patent/SE359675B/xx
Priority to JP45075312A priority patent/JPS514237B1/ja
Publication of GB1279654A publication Critical patent/GB1279654A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C5/00—Moderator or core structure; Selection of materials for use as moderator
    • G21C5/14—Moderator or core structure; Selection of materials for use as moderator characterised by shape
    • G21C5/16—Shape of its constituent parts
    • 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)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Particle Accelerators (AREA)

Abstract

1279654 Moderators BRITISH NUCLEAR DESIGN & CONSTRUCTION Ltd 28 Aug 1970 [29 Aug 1969] 43084/69 Heading G6C A nuclear reactor moderator block has a plurality of identical parallel fuel channels extending through it, and in each of three segmented areas of the of the block which are bounded by three radii of the block disposed at 120 degrees to one another, the channels are disposed, in a regular triangular pattern, in rows parallel to the three radii, those channels which in any one of the segmental areas are nearest to one of the two radii bounding that area being so positioned that they form a square pattern with the nearest channels in the adjacent segmental area on the other side of that radius. The block shown in Fig. 2 is of hexagonal cross-section and the segmental areas are defined by lines extending from alternate corners 4 to the centre of the block. The channels 2 house the reactor fuel elements. This arrangement of the channels 2 provides a relatively large central area which may contain one or more additional channels each adapted to receive a control rod. Alternatively, as in the embodiment shown, a central channel 5 having lifting tool locating features 6 is provided for receiving moderator handling means, a longitudinal groove 7 is provided in a corner 8 of the block, and keying features comprising recesses 9 are provided at alternate corners 4 of the upper end of the block with mating dowels (not shown) provided in corresponding positions at the lower end of the block. The groove 7 of this block, together with corresponding grooves of two adjacent blocks, provides a space for accommodating a control rod column 11. Small cylindrical channels (not shown) which house burnable poison rods may be provided within the block, axially of each recess 9.
GB43084/69A 1969-08-29 1969-08-29 Moderator blocks for fluid-cooled nuclear reactors Expired GB1279654A (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
BE755373D BE755373A (en) 1969-08-29 MODERATOR BLOCK OF A NUCLEAR REACTOR
GB43084/69A GB1279654A (en) 1969-08-29 1969-08-29 Moderator blocks for fluid-cooled nuclear reactors
DE19702042570 DE2042570A1 (en) 1969-08-29 1970-08-27 Nuclear reactor moderator block
FR7031381A FR2059744B1 (en) 1969-08-29 1970-08-27
AT786770A AT314672B (en) 1969-08-29 1970-08-28 Nuclear reactor moderator block
CH1295370A CH531774A (en) 1969-08-29 1970-08-28 Moderator block for nuclear reactor
NL7012778A NL7012778A (en) 1969-08-29 1970-08-28
ES383119A ES383119A1 (en) 1969-08-29 1970-08-28 Moderator blocks for fluid-cooled nuclear reactors
SE11693/70A SE359675B (en) 1969-08-29 1970-08-28
JP45075312A JPS514237B1 (en) 1969-08-29 1970-08-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB43084/69A GB1279654A (en) 1969-08-29 1969-08-29 Moderator blocks for fluid-cooled nuclear reactors

Publications (1)

Publication Number Publication Date
GB1279654A true GB1279654A (en) 1972-06-28

Family

ID=10427254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB43084/69A Expired GB1279654A (en) 1969-08-29 1969-08-29 Moderator blocks for fluid-cooled nuclear reactors

Country Status (10)

Country Link
JP (1) JPS514237B1 (en)
AT (1) AT314672B (en)
BE (1) BE755373A (en)
CH (1) CH531774A (en)
DE (1) DE2042570A1 (en)
ES (1) ES383119A1 (en)
FR (1) FR2059744B1 (en)
GB (1) GB1279654A (en)
NL (1) NL7012778A (en)
SE (1) SE359675B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115394458A (en) * 2022-08-26 2022-11-25 中国核动力研究设计院 Ultra-high flux reactor core based on rod bundle type fuel assembly

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114446497B (en) * 2022-02-17 2024-04-19 中国核动力研究设计院 Ultra-high flux reactor core based on square fuel assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB924748A (en) * 1960-01-20 1963-05-01 Atomic Energy Authority Uk Improvements in or relating to nuclear reactors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115394458A (en) * 2022-08-26 2022-11-25 中国核动力研究设计院 Ultra-high flux reactor core based on rod bundle type fuel assembly

Also Published As

Publication number Publication date
DE2042570A1 (en) 1971-04-29
SE359675B (en) 1973-09-03
CH531774A (en) 1972-12-15
BE755373A (en) 1971-02-01
NL7012778A (en) 1971-03-02
FR2059744B1 (en) 1975-01-10
JPS514237B1 (en) 1976-02-09
ES383119A1 (en) 1974-06-16
AT314672B (en) 1974-04-25
FR2059744A1 (en) 1971-06-04

Similar Documents

Publication Publication Date Title
US3157582A (en) Nuclear reactor moderator structures
US4585614A (en) Fuel assembly for nuclear reactor
GB1260790A (en) Flow deflector for nuclear fuel element assemblies
EP0098617A1 (en) Fuel spacer
GB1101600A (en) Improvements in or relating to fuel elements
US4152206A (en) Nuclear fuel element end fitting
ES297131U (en) Nuclear fuel rod support grid with improved multiple dimple arrangement.
GB1489964A (en) Nuclear reactor fuel element grid plate a fuel element grid cell structure and a method of manufacturing a grid plate
GB1279654A (en) Moderator blocks for fluid-cooled nuclear reactors
ES380218A3 (en) Pentagonal core blocks for gas cooled nuclear reactors
US3069343A (en) Moderator block construction for nuclear reactors
GB1482788A (en) Nuclear reactors
GB1122991A (en) Nuclear reactor with a pebble-bed of fuel elements
US3085963A (en) New method of connecting solid moderator rods in an atomic pile
GB1059215A (en) Fuel element for nuclear reactors
ES404660A1 (en) Nuclear reactor fuel assembly spacer grid
US3407115A (en) Fuel element-control rod assembly
GB1126585A (en) Nuclear reactor and control rod therefor
US3351533A (en) Nuclear reactor core organization and fuel assembly therefor
GB948316A (en) Improvements in or relating to solid-moderator stack for nuclear reactors
US3072552A (en) Fuel element interlocking arrangement
GB953650A (en) Improvements in and relating to nuclear reactors
GB1011338A (en) Improvements in and relating to a core structure for a nuclear reactor
GB965209A (en) Improvements in and relating to core structures for nuclear reactors
GB1384617A (en) Integral-fuel blocks

Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees