EP0865652B1 - Contenant comportant un corps radioactif - Google Patents

Contenant comportant un corps radioactif Download PDF

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Publication number
EP0865652B1
EP0865652B1 EP96939924A EP96939924A EP0865652B1 EP 0865652 B1 EP0865652 B1 EP 0865652B1 EP 96939924 A EP96939924 A EP 96939924A EP 96939924 A EP96939924 A EP 96939924A EP 0865652 B1 EP0865652 B1 EP 0865652B1
Authority
EP
European Patent Office
Prior art keywords
container
zeolite
fill
activated charcoal
fuel rods
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
EP96939924A
Other languages
German (de)
English (en)
Other versions
EP0865652A1 (fr
Inventor
Volker Dannert
Joachim Banck
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP0865652A1 publication Critical patent/EP0865652A1/fr
Application granted granted Critical
Publication of EP0865652B1 publication Critical patent/EP0865652B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G21F1/00—Shielding characterised by the composition of the materials
    • 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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S422/00—Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
    • Y10S422/903—Radioactive material apparatus

Definitions

  • Containers with radioactive bodies are, for example, from the US-A-4 950 426 is known. However, this document contains predominantly only indications of slight or at most moderate radiant waste.
  • Fuel rods that contain radioactive nuclear fuel in one contain a sealing tube which represents a capsule, to be filled with copper granulate between the fuel rods and then around the nuclear reactor fuel element at high temperatures and high pressure a gas-tight container to be made of copper sheet.
  • This sealed gastight Container is placed in a well in a repository, that is in granite and that with bentonite clay filled as a barrier against radioactive emitters (radionuclides) becomes.
  • the copper granulate in the copper sheet container is said to give this container mechanical stability.
  • the invention has for its object the retention that way for radioactive emitters (Radionuclides) formed barriers (i.e. the cladding tubes of the Fuel rods and the container).
  • the bed of zeolite and / or activated carbon in the container also leaves enough empty volume to accommodate vacant ones Noble gases, so that there is no high internal pressure in the container can train. Nevertheless, the bed of zeolite and / or activated carbon sufficient thermal conductivity for removal of post-decay heat from the fuel rods. Also poses the fill an additional heat capacity in the container
  • the bed, especially if it contains activated carbon, also has a good moderating effect on neutrons and therefore reduces the hardness of neutron radiation from the radioactive substance in the fuel rods can go out. Also for shielding gamma radiation from the fuel rods runs out, the bulk can contribute, finally the bed also provides a mechanical buffer for the fuel rods stored in the container.
  • This nuclear reactor fuel element 3 has fuel rods 4 and guide tubes 5.
  • the fuel rods 4 are filled with spent nuclear fuel, for example UO 2 and / or U / PuO 2 , which contains radionuclides.
  • This nuclear fuel is in each case in a cladding tube of the fuel rods 4, for example made of a zirconium alloy, which is closed at both tube ends with a plug made of zirconium alloy. These zirconium alloy plugs are welded gas-tight to the cladding tube.
  • the guide tubes 5 were used to guide control rods and are open at at least one tube end. They do not contain radionuclides.
  • the storage container 2 is made of a granulate 6 a zeolite filled up. This bed 6 does not need to be compressed, and with it are the fuel rods 4 and inevitably the guide tubes 5 of the nuclear reactor fuel element 3 backfilled.
  • the container 2 is made of steel and is gas-tight welded to both ends with a steel plate.
  • Figure 2 is the container 2 which is the nuclear reactor fuel element 3 with the spent fuel rods in a hole used, for example, in a salt dome a repository. Is located in this hole the outside of the container 2 a further bed 7, the is also granules of a zeolite. In this bed 7 the container 2 is completely embedded.
  • the beds 6 and 7 made of zeolite in FIGS. 1 and 2 activated carbon can also be added. Zeolites turn into Ullmann's "Encyclopedia of Technical Chemistry", volume 24, pages 575 to 578, 1983, and on Ullmann's "Encyclopedia of Technischen Chemie”, volume 17, pages 9 to 17, 1979. Zeolite is particularly suitable for the beds 6 and 7 of type A, preferably at least one of the substances MgA, CaA and SrA.
  • Such a type A zeolite can also be used with silver be doped so that it is particularly good radioactive iodine holds back, possibly from a leak in the cladding tube Fuel rod 4 emerges, but then in front of the wall of the Container 2 is retained, the retention effect by the zeolite of the bed 6 in the container 2 is thus reinforced is.
  • Chabazite are also well suited for zeolite fillings and mordenite.
  • Zeolites, for example, are particularly suitable with the trade name "Zeolon Molecular Sieves" the 400 Series, 500 Series, 700 Series and 900 Series that bind Cs and Sr via ion exchange.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Claims (11)

  1. Récipient (2) fermé de manière étanche au gaz, ayant plusieurs crayons (4) combustibles épuisés qui sont incorporés à un tas (6) de zéolithe et/ou de charbon actif.
  2. Récipient (2) suivant la revendication 1,
       caractérisé par des parois en acier et des plaques d'acier qui sont soudées de manière étanche au gaz à ses extrémités.
  3. Récipient (2) suivant la revendication 1 ou 2,
       comprenant un assemblage (3) combustible comportant des crayons (4) combustibles et traversé par le tas (6).
  4. Récipient (2) suivant la revendication 3,
       caractérisé en ce que seul un assemblage (3) combustible y trouve place.
  5. Récipient (2) suivant l'une des revendications 1 à 3,
       caractérisé en ce que le tas (6) est formé d'un granulé de zéolithe et/ou de charbon actif.
  6. Récipient (2) suivant l'une des revendications 1 à 5,
       caractérisé par un autre tas (7) en zéolithe et/ou en charbon actif, notamment un tas en un granulé de zéolithe et/ou de charbon actif sur son côté extérieur.
  7. Récipient (2) suivant l'une des revendications 1 à 6,
       caractérisé en ce que la zéolithe est de type A.
  8. Récipient (2) suivant la revendication 7,
       caractérisé en que la zéolithe est formée au moins de l'une des substances que sont MgA, CaA et SrA.
  9. Récipient (2) suivant la revendication 7 ou 8,
       caractérisé en ce que la zéolithe est dopée par de l'argent.
  10. Récipient (2) suivant l'une des revendications 1 à 6,
       caractérisé en ce que la zéolithe est formée d'au moins l'une des substances que sont la chabazite et la mordénite.
  11. Récipient (2) suivant l'une des revendications 1 à 10,
       caractérisé en ce que des particules d'au moins l'une des substances que sont de la grenaille métallique, MnO2, Al2O3, MgO, Sno2, ZrO2 et un silicate sont mélangées à la zéolithe et/ou au charbon actif.
EP96939924A 1995-12-07 1996-11-25 Contenant comportant un corps radioactif Expired - Lifetime EP0865652B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19545761 1995-12-07
DE19545761A DE19545761A1 (de) 1995-12-07 1995-12-07 Behälter mit einem radioaktiven Körper
PCT/EP1996/005205 WO1997021227A1 (fr) 1995-12-07 1996-11-25 Contenant comportant un corps radioactif

Publications (2)

Publication Number Publication Date
EP0865652A1 EP0865652A1 (fr) 1998-09-23
EP0865652B1 true EP0865652B1 (fr) 1999-06-02

Family

ID=7779513

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96939924A Expired - Lifetime EP0865652B1 (fr) 1995-12-07 1996-11-25 Contenant comportant un corps radioactif

Country Status (5)

Country Link
US (1) US6699439B1 (fr)
EP (1) EP0865652B1 (fr)
DE (2) DE19545761A1 (fr)
ES (1) ES2133198T3 (fr)
WO (1) WO1997021227A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116029A1 (de) * 2001-03-30 2002-08-22 Framatome Anp Gmbh Transportbehälter und Verfahren zum Transport von Brennstäben

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19757843C1 (de) * 1997-12-24 1999-08-12 Nuklear Service Gmbh Gns Lagerbehälter für die Zwischen- und/oder Endlagerung abgebrannter Brennelemente
US7309807B2 (en) 2003-02-28 2007-12-18 The Nanosteel Company, Inc. Method of containing radioactive contamination
US7199375B2 (en) * 2004-10-12 2007-04-03 Bard Brachytherapy, Inc. Radiation shielding container that encloses a vial of one or more radioactive seeds
NO20044434D0 (no) * 2004-10-19 2004-10-19 Nuclear Prot Products As Lang-tids lagringscontainer og fremgangsmate for fremstilling av denne
DE202011102838U1 (de) * 2011-07-02 2011-12-27 Ewald von Hagen Strahlenschutz-Versatz zur Verhinderung & Austritt radioaktiver Strahlung im Bergbau
WO2018064572A1 (fr) * 2016-09-29 2018-04-05 Elysium Industries Ltd. Forme de déchets de chlorure d'argent et appareil associé
US10878972B2 (en) 2019-02-21 2020-12-29 Deep Isolation, Inc. Hazardous material repository systems and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR319398A (fr) 1902-03-08 1902-11-11 Buysse Trieur automatique de pommes de terre, légumes, fruits, grains, etc.
DE3169709D1 (en) * 1980-10-13 1985-05-09 Euratom A method of encapsulating materials in a zeolite in a stable manner
RU1299369C (ru) * 1985-07-26 1993-02-23 Предприятие П/Я В-2679 Упаковочный комплект дл транспортировки и хранени радиоактивных и дел щихс материалов
US4778628A (en) * 1986-05-15 1988-10-18 The United States Of America As Represented By The United States Department Of Energy Underground waste barrier structure
US4891164A (en) * 1986-08-28 1990-01-02 The Standard Oil Company Method for separating and immobilizing radioactive materials
JPH0631882B2 (ja) * 1987-01-19 1994-04-27 鹿島建設株式会社 廃棄物の処理施設
FR2624301B1 (fr) * 1987-12-02 1990-03-30 Commissariat Energie Atomique Dispositif de conditionnement des dechets radioactifs ou toxiques contenant des ions borate, et son procede de fabrication
US4950426A (en) * 1989-03-31 1990-08-21 Westinghouse Electric Corp. Granular fill material for nuclear waste containing modules
US5169566A (en) * 1990-05-18 1992-12-08 E. Khashoggi Industries Engineered cementitious contaminant barriers and their method of manufacture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10116029A1 (de) * 2001-03-30 2002-08-22 Framatome Anp Gmbh Transportbehälter und Verfahren zum Transport von Brennstäben

Also Published As

Publication number Publication date
US6699439B1 (en) 2004-03-02
EP0865652A1 (fr) 1998-09-23
DE19545761A1 (de) 1997-06-12
WO1997021227A1 (fr) 1997-06-12
ES2133198T3 (es) 1999-09-01
DE59602126D1 (de) 1999-07-08

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