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EP0079469A1 - Concrete protection container for the storage of fuel-element receptacles - Google Patents

Concrete protection container for the storage of fuel-element receptacles Download PDF

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Publication number
EP0079469A1
EP0079469A1 EP82109599A EP82109599A EP0079469A1 EP 0079469 A1 EP0079469 A1 EP 0079469A1 EP 82109599 A EP82109599 A EP 82109599A EP 82109599 A EP82109599 A EP 82109599A EP 0079469 A1 EP0079469 A1 EP 0079469A1
Authority
EP
European Patent Office
Prior art keywords
protective housing
concrete protective
concrete
fuel element
fuel
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.)
Granted
Application number
EP82109599A
Other languages
German (de)
French (fr)
Other versions
EP0079469B1 (en
Inventor
Hans-Peter Dipl.-Phys. Dyck
Harry Dipl.-Ing. Spilker
Heinz-Dieter Gregor
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.)
Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH
Original Assignee
Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH
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 Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH filed Critical Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH
Publication of EP0079469A1 publication Critical patent/EP0079469A1/en
Application granted granted Critical
Publication of EP0079469B1 publication Critical patent/EP0079469B1/en
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • G21F5/008—Containers for fuel elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/10—Heat-removal systems, e.g. using circulating fluid or cooling fins

Definitions

  • the invention relates to a concrete protective housing for receiving and storing a fuel element storage container that is loaded with spent nuclear reactor fuel elements and is suitable for transport and storage, the clear dimensions of the concrete protective housing being somewhat larger than the external dimensions of the fuel element container.
  • silo containers made of concrete or reinforced concrete.
  • These silo containers forming a concrete protective housing can have different designs.
  • the protective container has lateral supply air ducts on the lower edge of the casing and lateral exhaust air ducts in the region of the upper casing edge below the cover (patent application P 30 17 767.4).
  • the arrangement of these exhaust air and supply air channels results in natural convection within the concrete protective housing, which is used to dissipate the residual heat.
  • the invention is based on the object of designing a concrete protective housing for receiving fuel element containers in such a way that simple monitoring of the fuel element containers is possible during their intermediate storage.
  • the object is achieved in that measuring probes embedded in the concrete are arranged on the inside of the casing of the concrete protective housing.
  • the the B race element container monitoring probes are now already before loading the concrete protective housing with the fuel element container. Cumbersome and time-consuming mounting of the measuring devices can be omitted.
  • the measuring probes and their electrical connection lines can already be cast into the concrete housing.
  • An advantageous embodiment of the invention is characterized by the features of the claim. 2 suggested.
  • the radial ventilation openings that deviate from the horizontal increase natural convection while simultaneously reducing the radiation emission.
  • the temperature sensors attached at different heights can detect a temperature profile that may arise differently due to the radial ventilation holes.
  • the concrete protective housing consists of a base part 3 in the form of a pallet, a cylindrical concrete protective jacket 4 placed thereon and a cylindrical cover 5 lying on the concrete protective jacket 4.
  • the foot part 3 consists of a square base plate 6, at the corners of which a foot 7 is arranged, so that the foot part 3 is designed as a pallet that can be driven under.
  • the cylindrical concrete jacket 4 is placed on the foot part 3 and aligned to the foot part 3 by suitable centering devices (not shown here). '
  • the concrete protective jacket 4 has recesses 9 at its lower end, which serve as supply air channels.
  • the cover 5 lying on the concrete protective jacket 4 also has recesses 11 in the edge area on its surface facing the jacket 4, which serve as exhaust air ducts.
  • a fuel element container 12 shown here in broken lines, is arranged upright.
  • the container jacket 4 is radially inclined from the horizontal Fill openings 13 penetrated. At different heights, temperature guides 14 are let into the inside of the container jacket, which are connected via corresponding electrical connecting lines 15 to a connection 16 located on the outside of the container jacket 4.
  • the fuel assembly 12 When the fuel assembly 12 is delivered to the intermediate storage facility, the fuel assembly 12 is placed on the base plate 6 of the foot part 3. The concrete protective jacket 4 is then placed over the base part 3 over the fuel element container 12.
  • the contents of the entire concrete protective housing 3, 4, 5 are now moved to the storage area by means of a suitable lifting truck, which is preferably located outdoors.
  • a suitable lifting truck which is preferably located outdoors.
  • the electrical connection between the temperature sensor 14 monitoring the temperature inside the concrete protective housing and the overall monitoring system can be established by a simple plug connection on the outer surface of the container shell 4.
  • the temperature sensors 14 and the electrical connecting lines 15 can already be inserted into the mold during the production of the concrete protective jacket 4, so that they are enclosed by the setting molding compound.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Monitoring And Testing Of Nuclear Reactors (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Packages (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)

Abstract

Die Erfindung betrifft ein Betonschutzgehäuse zur Aufnahme und Lagerung eines mit abgebrannten Kernreaktorbrennelementen beladenen Brennelementbehälters (12). Die lichten Maße des Betonschutzegehäuses sind etwas größer als die Außenabmessungen des Brennelementbehälters (12). Die Brennelementbehälter müssen während ihrer Zwischenlagerung über geeignete Meßinstrumente überwacht werden. Um diese Überwachung möglichst einfach zu gestalten, werden auf der Innenseite des Mantels des Betonschutzgehäuses in den Beton eingelassene Meßsonden (14) angeordnet. Die Meßsonden (14) sind nun bereits vor dem Beladen des Betonschutzgehäuses mit dem Brennelementbehälter vorhanden.The invention relates to a concrete protective housing for receiving and storing a fuel element container (12) loaded with spent nuclear reactor fuel elements. The clear dimensions of the concrete protective housing are slightly larger than the outer dimensions of the fuel element container (12). The fuel element containers must be monitored using suitable measuring instruments during their interim storage. In order to make this monitoring as simple as possible, measuring probes (14) embedded in the concrete are arranged on the inside of the casing of the concrete protective housing. The measuring probes (14) are already present before the concrete protective housing is loaded with the fuel element container.

Description

Die Erfindung betrifft ein Betonschutzgehäuse zur Aufnahme und Lagerung eines mit abgebrannten Kernreaktorbrennelementen beladenen, transport- und lagergeeigneten Brennelementlagerbehälters, wobei die lichten Maße des Betonschutzgehäuses etwas größer als die Außenabmessungen des Brennelementbehälters sind.The invention relates to a concrete protective housing for receiving and storing a fuel element storage container that is loaded with spent nuclear reactor fuel elements and is suitable for transport and storage, the clear dimensions of the concrete protective housing being somewhat larger than the external dimensions of the fuel element container.

Bei den Bemühungen, Brennelementbehälter im Freien zwischenzulagern, wurde bereits vorgeschlagen, die Brennelementbehälter in Silobehälter aus Beton oder Stahlbeton einzubringen. Diese ein Betonschutzgehäuse bildenden Silobehälter können verschiedene Ausbildung aufweisen. Bei einem nicht vorveröffentlichten Vorschlag zur Ausbildung eines Schutzbehälters zur Aufnahme von Brennelementbehältern weist der Schutzbehälter seitliche Zuluftkanäle am unteren Mantelrand und seitliche Abluftkanäle im Bereich des oberen Mantelrandes unterhalb des Deckels auf (Patentanmeldung P 30 17 767.4). Durch die Anordnung dieser Abluft- und Zuluftkanäle wird innerhalb des Betonschutzgehäuses eine natürliche Konvektion bewirkt, die zur Abfuhr der Nachzer-'illswärme dient.In the effort to temporarily store the fuel element containers outdoors, it has already been proposed to insert the fuel element containers into silo containers made of concrete or reinforced concrete. These silo containers forming a concrete protective housing can have different designs. In a not previously published proposal for the formation of a protective container for receiving fuel element containers, the protective container has lateral supply air ducts on the lower edge of the casing and lateral exhaust air ducts in the region of the upper casing edge below the cover (patent application P 30 17 767.4). The arrangement of these exhaust air and supply air channels results in natural convection within the concrete protective housing, which is used to dissipate the residual heat.

Es ist eine gängige Maßnahme, die Brennelementbehälter während ihrer Zwischenlagerung über geeignete Meßinstrumente zu überwachen. So wird beispielsweise die Temperatur der Brennelementbehälter ständig überprüft.It is a common measure to monitor the fuel assembly containers during their interim storage using suitable measuring instruments. For example, the temperature of the fuel element container is constantly checked.

Der Erfindung liegt die Aufgabe zugrunde, ein Betonschutzgehäuse zur Aufnahme von Brennelementbehältern derart auszugestalten, daß eine einfache Überwachung der Brennelementbehälter während ihrer Zwischenlagerung möglich ist.The invention is based on the object of designing a concrete protective housing for receiving fuel element containers in such a way that simple monitoring of the fuel element containers is possible during their intermediate storage.

Die Aufgabe wird erfindungsgemäß dadurch gelöst, daß auf der Innenseite des Mantels des Betonschutzgehäuses in den Beton eingelassene Meßsonden angeordnet sind.The object is achieved in that measuring probes embedded in the concrete are arranged on the inside of the casing of the concrete protective housing.

Die den Brennelementbehälter überwachenden Meßsonden sind nun bereits vor dem Beladen des Betonschutzgehäuses mit dem Brennelementbehälter vorhanden. Umständliches und aufwendiges Anbringen der Meßgeräte kann entfallen. Die Meßsonden und ihre elektrischen Verbindungsleitungen können bereits in das Betongehäuse miteingegossen werden.The the B race element container monitoring probes are now already before loading the concrete protective housing with the fuel element container. Cumbersome and time-consuming mounting of the measuring devices can be omitted. The measuring probes and their electrical connection lines can already be cast into the concrete housing.

Eine vorteilhafte Ausgestaltung der Erfindung wird durch die Merkmale des Kennzeichens des Anspruches. 2 vorgeschlagen. Die aus der Waagerechten abweichenden radialen Lüftungsöffnungen erhöhen die natürliche Konvektion unter gleichzeitiger Verminderung des Strahlungsaustrittes. Die in unterschiedlicher Höhe angebrachten Temperaturfühler'können ein durch die radialen Lüftungsbohrungen eventuell unterschiedlich entstehendes Temperaturprofil erfassen.An advantageous embodiment of the invention is characterized by the features of the claim. 2 suggested. The radial ventilation openings that deviate from the horizontal increase natural convection while simultaneously reducing the radiation emission. The temperature sensors attached at different heights can detect a temperature profile that may arise differently due to the radial ventilation holes.

Anhand der Zeichnung wird nachstehend ein Ausführungsbeispiel der Erfindung näher erläutert.An exemplary embodiment of the invention is explained in more detail below with reference to the drawing.

Das Betonschutzgehäuse besteht aus einem palettenartig ausgebildeten Fußteil 3, einem darauf aufgesetzten zylindrichen Betonschutzmantel 4 und einem auf dem Betonschutzmantel 4 liegenden zylindrischen Deckel 5.The concrete protective housing consists of a base part 3 in the form of a pallet, a cylindrical concrete protective jacket 4 placed thereon and a cylindrical cover 5 lying on the concrete protective jacket 4.

Das Fußteil 3 besteht aus einer quadratischen Bodenplatte 6, an deren Ecken jeweils ein Fuß 7 angeordnet ist, so daß das Fußteil 3 als unterfahrbare Palette ausgebildet ist. Der zylinderförmige Betonmantel 4 ist auf das Fußteil 3 aufgesetzt und durch hier nicht gezeigte, geeignete Zentriervorrichtungen zum Fußteil 3 ausgerichtet. 'The foot part 3 consists of a square base plate 6, at the corners of which a foot 7 is arranged, so that the foot part 3 is designed as a pallet that can be driven under. The cylindrical concrete jacket 4 is placed on the foot part 3 and aligned to the foot part 3 by suitable centering devices (not shown here). '

Der Betonschutzmantel 4 weist an seinem unteren Ende Ausnehmungen 9 auf, die als Zuluftkanäle dienen. Der auf dem Betonschutzmantel 4 liegende Deckel 5 weist im Randbereich auf seiner dem Mantel 4 zugewandten Fläche ebenfalls Ausnehmungen 11 auf, die als Abluftkanäle dienen.The concrete protective jacket 4 has recesses 9 at its lower end, which serve as supply air channels. The cover 5 lying on the concrete protective jacket 4 also has recesses 11 in the edge area on its surface facing the jacket 4, which serve as exhaust air ducts.

Auf der Bodenplatte 6 des Fußteiles 3 ist ein hier strichpunktiert dargestellter Brennelementbehälter 12 aufrechtstehend angeordnet.On the base plate 6 of the foot part 3, a fuel element container 12, shown here in broken lines, is arranged upright.

Der Behältermantel 4 ist von aus der Waagerechten geneigten radialen Lüttungeöffnungen 13 durchdrungen. In unterschiedlicher Höhe sind in der Innenseite des Behältermantels Temperaturführer 14 eingelassen, die über entsprechende elektrische Verbindungsleitungen 15 mit einem an der Außenseite des Behältermantels 4 liegenden Anschluß 16 in Verbindung stehen.The container jacket 4 is radially inclined from the horizontal Fill openings 13 penetrated. At different heights, temperature guides 14 are let into the inside of the container jacket, which are connected via corresponding electrical connecting lines 15 to a connection 16 located on the outside of the container jacket 4.

Bei Anlieferung des Brennelementbehälters 12 im Zwischenlager wird der Brennelementbehälter 12 auf die Bodenplatte 6 des Fußteiles 3 gestellt. Anschließend wird der Betonschutzmantel 4 auf das Fußteil 3 über den Brennelementbehälter 12 gestülpt.When the fuel assembly 12 is delivered to the intermediate storage facility, the fuel assembly 12 is placed on the base plate 6 of the foot part 3. The concrete protective jacket 4 is then placed over the base part 3 over the fuel element container 12.

Als letztes wird der Deckel 5 auf das obere freie Ende des Betonschutzmantels 4 aufgesetzt.Finally, the cover 5 is placed on the upper free end of the concrete protective jacket 4.

Das gesamte Betonschutzgehäuse 3, 4, 5 wird nun mit seinem Inhalt mittels eines geeigneten Hubförderfahrzeuges zum Lagerfeld gefahren, das sich vorzugsweise im Freien befindet. Nachdem das Betonschutzgehäuse 3, 4, 5 am Lagerort aufgestellt ist, kann durch eine einfache Steckverbindung an der Außenfläche des Behältermantels 4 die elektrische Verbindung zwischen den die Temperatur im Inneren des Betonschutzgehäuses überwachenden Temperaturfühler 14 und dem Gesamtüberwachungssystem hergestellt werden.The contents of the entire concrete protective housing 3, 4, 5 are now moved to the storage area by means of a suitable lifting truck, which is preferably located outdoors. After the concrete protective housing 3, 4, 5 is set up at the storage location, the electrical connection between the temperature sensor 14 monitoring the temperature inside the concrete protective housing and the overall monitoring system can be established by a simple plug connection on the outer surface of the container shell 4.

Die Temperaturfühler 14 sowie die elektrischen Verbindungsleitungen 15 können bei der Herstellung des Betonschutzmantels 4 bereits in die Form eingelegt werden, so daß sie durch die abbindende Formmasse umschlossen werden.The temperature sensors 14 and the electrical connecting lines 15 can already be inserted into the mold during the production of the concrete protective jacket 4, so that they are enclosed by the setting molding compound.

Claims (2)

1. Betonschutzgehäuse zur Aufnahme und Lagerung eines mit abgebrannten Kernreaktorbrennelementen beladenen, transport- und lagergeeigneten Brennelementbehälters, wobei die lichten Maße des Betonschutzgehäuses etwas größer als die Außenabmessungen des Brennelementbehälters sind, dadurch gekennzeichnet , daß auf der Innenseite des Mantels (4) des Betonschutzgehäuses (3, 4, 5) in den Beton eingelassene Meßsonden (14) angeordnet sind.1.Concrete protective housing for receiving and storing a fuel element container loaded with spent nuclear reactor fuel elements, suitable for transport and storage, the clear dimensions of the concrete protective housing being somewhat larger than the outer dimensions of the fuel element container, characterized in that on the inside of the jacket (4) of the concrete protective housing (3 , 4, 5) measuring probes (14) embedded in the concrete are arranged. 2. Betonschutzgehäuse nach Anspruch 1, dadurch, gekennzeichnet, daß der Behältermantel (4) aus der Waagerechten geneigte radiale Lüftungsöffnungen (13) aufweist und daß Meßsonden (14) in unterschiedlicher Höhe angeordnet und als Temperaturfühler ausgebildet sind.2. Concrete protective housing according to claim 1, characterized in that the container jacket (4) from the horizontal inclined radial ventilation openings (13) and that measuring probes (14) are arranged at different heights and are designed as temperature sensors.
EP82109599A 1981-11-05 1982-10-18 Concrete protection container for the storage of fuel-element receptacles Expired EP0079469B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3143865 1981-11-05
DE19813143865 DE3143865A1 (en) 1981-11-05 1981-11-05 CONCRETE PROTECTION HOUSING FOR ADJUSTING FUEL ELEMENT CONTAINERS

Publications (2)

Publication Number Publication Date
EP0079469A1 true EP0079469A1 (en) 1983-05-25
EP0079469B1 EP0079469B1 (en) 1985-05-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109599A Expired EP0079469B1 (en) 1981-11-05 1982-10-18 Concrete protection container for the storage of fuel-element receptacles

Country Status (5)

Country Link
US (1) US4532428A (en)
EP (1) EP0079469B1 (en)
JP (1) JPS58135495A (en)
CA (1) CA1187631A (en)
DE (2) DE3143865A1 (en)

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JPS6117996A (en) * 1984-07-04 1986-01-25 株式会社日立製作所 How to store pyrogenic radioactive materials
US4636358A (en) * 1985-02-04 1987-01-13 The United States Of America As Represented By The Secretary Of The Navy Concretization of high level radioactive source in marine sediment
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US5733066A (en) * 1992-09-14 1998-03-31 Myers; Lawrence S. Apparatus and method for disposal of nuclear and other hazardous wastes
US5545796A (en) * 1994-02-25 1996-08-13 Scientific Ecology Group Article made out of radioactive or hazardous waste and a method of making the same
JP2002202396A (en) * 2000-12-27 2002-07-19 Mitsubishi Heavy Ind Ltd Method for controlling temperature of hermetic container housing radioactive substance and system and facility for storing the hermetic container
US8098790B2 (en) * 2004-03-18 2012-01-17 Holtec International, Inc. Systems and methods for storing spent nuclear fuel
US7590213B1 (en) 2004-03-18 2009-09-15 Holtec International, Inc. Systems and methods for storing spent nuclear fuel having protection design
US8718220B2 (en) 2005-02-11 2014-05-06 Holtec International, Inc. Manifold system for the ventilated storage of high level waste and a method of using the same to store high level waste in a below-grade environment
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US9443625B2 (en) 2005-03-25 2016-09-13 Holtec International, Inc. Method of storing high level radioactive waste
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US11569001B2 (en) 2008-04-29 2023-01-31 Holtec International Autonomous self-powered system for removing thermal energy from pools of liquid heated by radioactive materials
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US10020084B2 (en) 2013-03-14 2018-07-10 Energysolutions, Llc System and method for processing spent nuclear fuel
US11715575B2 (en) 2015-05-04 2023-08-01 Holtec International Nuclear materials apparatus and implementing the same
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EP0039785A1 (en) * 1980-05-09 1981-11-18 Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH Shipping and storage container for protection against radiation from used fuel elements
FR2495817A1 (en) * 1980-12-06 1982-06-11 Kernforschungsz Karlsruhe CONTAINER FOR STORING AND TRANSPORTING AT LEAST ONE SHELL FILLED WITH RADIO-ACTIVE WASTE INCORPORATED IN FADE GLASS

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Publication number Priority date Publication date Assignee Title
FR1290757A (en) * 1960-06-08 1962-04-13 Atomic Energy Commission Transport container for radioactive material
FR1393704A (en) * 1963-04-03 1965-03-26 Nat Lead Co Fuel element container
FR2181540A1 (en) * 1972-04-27 1973-12-07 Commissariat Energie Atomique
FR2198224A1 (en) * 1972-08-07 1974-03-29 Dubovsky Boris
FR2357478A1 (en) * 1976-07-06 1978-02-03 Kernforschung Gmbh Ges Fuer Tanker wagon filled with radioactive liquid by suction - with vacuum line and feed line valves interlocked to prevent overfilling
EP0039785A1 (en) * 1980-05-09 1981-11-18 Deutsche Gesellschaft für Wiederaufarbeitung von Kernbrennstoffen mbH Shipping and storage container for protection against radiation from used fuel elements
FR2495817A1 (en) * 1980-12-06 1982-06-11 Kernforschungsz Karlsruhe CONTAINER FOR STORING AND TRANSPORTING AT LEAST ONE SHELL FILLED WITH RADIO-ACTIVE WASTE INCORPORATED IN FADE GLASS

Also Published As

Publication number Publication date
CA1187631A (en) 1985-05-21
DE3143865A1 (en) 1983-05-11
US4532428A (en) 1985-07-30
EP0079469B1 (en) 1985-05-29
DE3263916D1 (en) 1985-07-04
JPS58135495A (en) 1983-08-12

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