DE20114248U1 - Spacers in a fuel assembly of a nuclear reactor - Google Patents

Spacers in a fuel assembly of a nuclear reactor

Info

Publication number
DE20114248U1
DE20114248U1 DE20114248U DE20114248U DE20114248U1 DE 20114248 U1 DE20114248 U1 DE 20114248U1 DE 20114248 U DE20114248 U DE 20114248U DE 20114248 U DE20114248 U DE 20114248U DE 20114248 U1 DE20114248 U1 DE 20114248U1
Authority
DE
Germany
Prior art keywords
spacer according
flow
flow guide
spacer
pipe section
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 - Lifetime
Application number
DE20114248U
Other languages
German (de)
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.)
Areva GmbH
Original Assignee
Framatome ANP GmbH
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 Framatome ANP GmbH filed Critical Framatome ANP GmbH
Priority to DE20114248U priority Critical patent/DE20114248U1/en
Publication of DE20114248U1 publication Critical patent/DE20114248U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G21C3/356—Spacer grids being provided with fuel element supporting members
    • G21C3/3566—Supporting members formed only of elements fixed on the strips
    • 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)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (10)

1. Abstandhalter für ein Bündel von mit Kernbrennstoff gefüllten Brennstäben (8) in einem Brennelement eines Kernreaktors, mit durch sich kreuzende Stege (2) gebildeten Zellen (3), die einen Strömungsquerschnitt für ein Kühlfluid (K) bilden, gekennzeichnet durch ein um einen Kreuzungspunkt (5) benachbarter Zellen (3) angeordnetes und sich in deren Längsrichtung erstreckendes Rohrstück (6).1. Spacer for a bundle of fuel rods ( 8 ) filled with nuclear fuel in a fuel element of a nuclear reactor, with cells ( 3 ) formed by crossing webs ( 2 ), which form a flow cross-section for a cooling fluid (K), characterized by one by one Crossing point ( 5 ) of adjacent cells ( 3 ) arranged and extending in the longitudinal direction of the pipe section ( 6 ). 2. Abstandhalter nach Anspruch 1, dadurch gekennzeichnet, dass an der Oberkante (9) und/oder Unterkante (11) eines Stegs (2) ein Strömungsleitelement (10) angeordnet ist.2. Spacer according to claim 1, characterized in that a flow guide element ( 10 ) is arranged on the upper edge ( 9 ) and / or lower edge ( 11 ) of a web ( 2 ). 3. Abstandhalter nach Anspruch 2, dadurch gekennzeichnet, dass das Strömungsleitelement (10) am Kreuzungspunkt (5) angeordnet und als zweiflügelige Fahne (10a, 10b) ausgebildet ist, wobei die Fahnen in Strömungsrichtung (4) des Kühlfluids (K) entgegengesetzt schräg gestellt sind.3. A spacer according to claim 2, characterized in that the flow guiding element (10) disposed at the intersection (5) and as a double-leaf flag (10 a, 10 b) is formed, said lugs opposite the cooling fluid (K) in the direction of flow (4) are slanted. 4. Abstandhalter nach Anspruch 3, dadurch gekennzeichnet, dass einem an der Oberkante (9) angeordneten Strömungsleitelement (10) ein an der Unterkante (11) angeordnetes Strömungsleitelement (10) mit entgegengesetzt schräg gestellten Fahnen gegenüber liegt. 4. Spacer according to claim 3, characterized in that a flow guide element ( 10 ) arranged on the upper edge ( 9 ) is opposite a flow guide element ( 10 ) arranged on the lower edge ( 11 ) with oppositely inclined flags. 5. Abstandhalter nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass die Form eines an einem Kreuzungspunkt (5) angeordneten Strö­ mungsleitelements (10) aus der Form eines an einem benachbarten Kreu­ zungspunkt (5) angeordneten Strömungsleitelements (10) durch Spiege­ lung hervorgeht, wobei die Spiegelung an der Ebene erfolgt, in der der Steg (2) liegt, an dem dieses Strömungsleitelement (10) angeordnet ist.5. Spacer according to one of claims 2 to 4, characterized in that the shape of an object placed at a cross point (5) Strö mungsleitelements (10) from the mold one at a neighboring Kreu wetting point (5) arranged flow guide (10) development by mirror; emerges, the reflection taking place on the plane in which the web ( 2 ) lies, on which this flow guide element ( 10 ) is arranged. 6. Abstandhalter nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Rohrstück (6) entgegen der Strömungsrichtung (4) des Kühlfluids (K) aus der Zelle (3) hinausragt.6. Spacer according to one of claims 1 to 5, characterized in that the pipe section ( 6 ) protrudes from the cell ( 3 ) against the flow direction ( 4 ) of the cooling fluid (K). 7. Abstandhalter nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass sich das Rohrstück (6) lediglich über einen Teil der Höhe (H) der Zel­ len (3) erstreckt.7. Spacer according to one of claims 1 to 6, characterized in that the pipe section ( 6 ) extends only over part of the height (H) of the cells ( 3 ). 8. Abstandhalter nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass das Rohrstück (6) in dem der durch die Mitte einer benachbarten Zelle (3) verlaufenden Achse (A) zugewandten Bereich des Rohrumfangs mit ei­ nem zu dieser Achse (A) parallelen Schlitz (13) versehen ist.8. Spacer according to one of claims 1 to 7, characterized in that the tube piece ( 6 ) in the region of the tube circumference facing the axis (A) running through the center of an adjacent cell ( 3 ) with an egg to this axis (A) parallel slot ( 13 ) is provided. 9. Abstandhalter nach Anspruch 8, dadurch gekennzeichnet, dass die Wandung des Rohrstücks (6) im Bereich des Schlitzes (13) min­ destens einmal nach außen abgekröpft ist.9. Spacer according to claim 8, characterized in that the wall of the pipe section ( 6 ) in the area of the slot ( 13 ) is at least once cranked outwards. 10. Brennelement für einen Kernreaktor, mit einem Abstandhalter nach einem der Ansprüche 1 bis 9.10. Fuel assembly for a nuclear reactor, with a spacer after one of claims 1 to 9.
DE20114248U 2001-08-29 2001-08-29 Spacers in a fuel assembly of a nuclear reactor Expired - Lifetime DE20114248U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20114248U DE20114248U1 (en) 2001-08-29 2001-08-29 Spacers in a fuel assembly of a nuclear reactor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20114248U DE20114248U1 (en) 2001-08-29 2001-08-29 Spacers in a fuel assembly of a nuclear reactor

Publications (1)

Publication Number Publication Date
DE20114248U1 true DE20114248U1 (en) 2001-12-13

Family

ID=7961068

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20114248U Expired - Lifetime DE20114248U1 (en) 2001-08-29 2001-08-29 Spacers in a fuel assembly of a nuclear reactor

Country Status (1)

Country Link
DE (1) DE20114248U1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1909293A2 (en) * 2005-07-08 2008-04-09 Open Joint-Stock Company 'TVEL' Distance lattice
EP1978528A1 (en) * 2006-12-22 2008-10-08 Open Joint-Stock Company 'TVEL' Fuel assembly and and insertable interelement spacer
DE102012221287A1 (en) * 2012-11-21 2014-05-22 Siemens Aktiengesellschaft Spacer arrangement for holding fuel rods in preset position, has spacer including notches provided in cylinder surface, and fuel rods adjacent to cylinder arranged such that fuel rod surface of fuel rods completely lies in notches

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1909293A2 (en) * 2005-07-08 2008-04-09 Open Joint-Stock Company 'TVEL' Distance lattice
EP1909293A4 (en) * 2005-07-08 2010-05-19 Open Joint Stock Company Tvel Distance lattice
EP1978528A1 (en) * 2006-12-22 2008-10-08 Open Joint-Stock Company 'TVEL' Fuel assembly and and insertable interelement spacer
EP1978528A4 (en) * 2006-12-22 2010-06-09 Open Joint Stock Company Tvel Fuel assembly and and insertable interelement spacer
DE102012221287A1 (en) * 2012-11-21 2014-05-22 Siemens Aktiengesellschaft Spacer arrangement for holding fuel rods in preset position, has spacer including notches provided in cylinder surface, and fuel rods adjacent to cylinder arranged such that fuel rod surface of fuel rods completely lies in notches

Similar Documents

Publication Publication Date Title
DE69009348T2 (en) Structural pillar and tower.
DE2617452A1 (en) SOLAR COLLECTOR
DE2852059A1 (en) PANEL-SHAPED SOLAR CELL
DE2015354C3 (en) Floating lid for covering a liquid in a tank
DE1549000B2 (en) Optical liquid level indicator
DE20114248U1 (en) Spacers in a fuel assembly of a nuclear reactor
DE2907424A1 (en) Light concentrator for solar panel - has internal reflectors to transmit light from large input area to small focussing panel
DE10309742B4 (en) spacer
DE202005019791U1 (en) Fish guiding rake for use in hydroelectric power plant, has rods that are apart from each other by preset millimeter distance over width of drain channel, where rods pass from bottom until over water surface
DE20112336U1 (en) Fuel element spacer
DE2907245A1 (en) Solar heating system using lenticular transparent panels - has panels with upper and lower strip lenses at right angles
KR840001371A (en) Fissile Nuclear Fuel Assembly for Incomplete Slow Reactor
US3067844A (en) Network of single rods welded together at their junctions
DE10109161A1 (en) Flow meter
DE19526623C2 (en) heat exchangers
EP0044379A1 (en) Solar collector
DE2258507A1 (en) CONTAINER FOR WATER SUPPLY SYSTEMS
DE2423796A1 (en) FAÇADE CONSTRUCTION
DE20018080U1 (en) Underground tank
DE8010477U1 (en) CONCRETE PIPE FOR DISCHARGING LIQUIDS DEVELOPING AGGRESSIVE GAS
EP0696886B1 (en) Device for dissolving gases in liquids
DE3641887A1 (en) DEVICE FOR HEATING A LIQUID
DE102006041202B4 (en) Solar module device
AT364124B (en) SOLAR ENERGY COLLECTOR
DE20113093U1 (en) Spacers in a fuel assembly of a nuclear reactor

Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20020124

R150 Utility model maintained after payment of first maintenance fee after three years

Effective date: 20041221

R081 Change of applicant/patentee

Owner name: AREVA NP GMBH, DE

Free format text: FORMER OWNER: FRAMATOME ANP GMBH, 91058 ERLANGEN, DE

Effective date: 20070301

R151 Utility model maintained after payment of second maintenance fee after six years

Effective date: 20071114

R152 Utility model maintained after payment of third maintenance fee after eight years

Effective date: 20091104

R071 Expiry of right
R071 Expiry of right