EP0942435A1 - Strahlenschutzvorrichtung für Behälter zum Transport von radioaktiven Stoffen - Google Patents

Strahlenschutzvorrichtung für Behälter zum Transport von radioaktiven Stoffen Download PDF

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Publication number
EP0942435A1
EP0942435A1 EP99420066A EP99420066A EP0942435A1 EP 0942435 A1 EP0942435 A1 EP 0942435A1 EP 99420066 A EP99420066 A EP 99420066A EP 99420066 A EP99420066 A EP 99420066A EP 0942435 A1 EP0942435 A1 EP 0942435A1
Authority
EP
European Patent Office
Prior art keywords
container
wall
profile
metal
housing
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
EP99420066A
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English (en)
French (fr)
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EP0942435B1 (de
Inventor
André Lemogne
Dominique Francois
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.)
TN International SA
Original Assignee
Societe pour les Transports de lIndustrie Nucleaire Transnucleaire SA
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 Societe pour les Transports de lIndustrie Nucleaire Transnucleaire SA filed Critical Societe pour les Transports de lIndustrie Nucleaire Transnucleaire SA
Publication of EP0942435A1 publication Critical patent/EP0942435A1/de
Application granted granted Critical
Publication of EP0942435B1 publication Critical patent/EP0942435B1/de
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
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • 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

Definitions

  • the invention relates to a radiation shielding device located at the outer surface of transport or storage containers for materials radioactive to ensure safety.
  • Containers for radioactive material generally include a envelope of great height comprising a cylindrical body and sealing means closing it at its two ends in a sealed manner; in the internal cavity thus defined takes up said radioactive materials, in particular irradiated fuel assemblies or vitrified waste.
  • This envelope must mechanically withstand impacts even the most severe, provide biological protection against radiation and ensure thermal transfer to dissipate the heat emitted by the materials radioactive.
  • the cylindrical body essentially consists of a ferrule thick metal, for example based on cast or forged steel, cast iron, or a sandwich stacking of different metals; body thickness can reach several tens of centimeters and the container weight 100 to 150t.
  • the body often has fins on its outer surface to ensure better dispersion of heat in the atmosphere.
  • the fins can be fixed by bolting or welding, or be formed at the same time as the container when it is obtained by casting.
  • Thick metal body provides most of the protection biological, but is generally not sufficient to ensure the entire neutron protection.
  • Application FR 2521764 describes a particular embodiment of the type of protection using housings filled with neutron shield material, which comes to be mentioned.
  • the boxes are made up of very long profiles open longitudinally whose cross section is V-shaped at an angle obtuse apex.
  • the profiles are arranged side by side, parallel to the axis of the container and in close thermal contact with the metal shell then welded to said ferrule and between them so as to form the so-called large closed boxes length.
  • the housings are equipped with fins on their outer face.
  • these boxes After being placed on the shell, these boxes are then filled individually of neutron absorbing resin by casting through their open end.
  • the Applicant has sought a shielding device by housings more simple to carry out to reduce the cost and also to improve the safety of the operations of making the boxes, of their fixing directly on the shell and their filling in radiation absorbing material, while improving contact and thermal evacuation. She also looked for a simpler and more method of fitting said shielding devices sure.
  • the invention is a radiation protection device for transport and / or storage container for radioactive materials comprising a plurality of adjacent metal boxes fixed to the outer wall of the container and filled with at least one neutron absorbing material, characterized in that each case mainly comprises a profile essentially closed tubular metal part longitudinally.
  • the container usually includes a thick metal ferrule cylindrical of great length on the outside face of which is fixed a plurality of closed or hollow tubular profiles in one piece according to the invention.
  • Said profile typically has a closed polygonal cross section, of preferably with 4 sides corresponding to 4 longitudinal sides, and can be closed at its ends.
  • a closed polygonal cross section of preferably with 4 sides corresponding to 4 longitudinal sides, and can be closed at its ends.
  • it is obtained by direct spinning and does not has no longitudinal weld or other closing means.
  • the absence of longitudinal welding or any other means of closing equivalent guarantees the case a perfect and unalterable seal during time; it is indeed essential that the resin is not likely to deteriorate and whatever happens, all of its neutron shield properties remain.
  • It is generally made of metal, preferably a good conductor of heat like aluminum or its alloys, copper or its alloys ... It is fixed on said external face of the shell, parallel to its axis, typically by bolting, so that there is good thermal contact between said housing and said ferrule and between adjacent housings. All the boxes adjacent generally covers the entire outer surface of the shell.
  • the outer face of the housing in contact with the ambient air is advantageously provided with cooling fins spun with the profile or fixed on it by any other means.
  • the profile is filled with neutron shield material, for example by pouring into it a resin with a high hydrogen content.
  • the invention is especially advantageous when it is necessary to increase the protection against gamma radiation. It is then particularly simple to secure inside each profile constituting the housing, before their filling with resin and fixing them to the container, at least one plate metal, usually a heavy metal such as lead or its alloys, or a sandwich of plates of different metals chosen and assembled so as to simultaneously obtain optimal biological protection and good solidity of the assembly.
  • This plate is located as close as possible to the container wall, i.e. typically in contact with the wall of the profile which is supported on the ferrule.
  • a lead plate covered by a protective steel plate to facilitate its fixing; this last is usually done using bolts going through the plates steel, lead and the housing wall in contact with the shell, screwed into said ferrule.
  • Such a device makes it possible, in the event of an impact, to better retain the lead plate preventing it from coming to weigh directly on the walls of the case with the risk of deforming them.
  • the invention also relates to a method of fitting a device radiation protection for transport container and / or storage of radioactive materials comprising a plurality of housings adjacent metal fixed to the outer wall of the container and container at least one neutron absorbing material characterized in that one introduces in the housing at least one biological screen material and which is then fixed said housing containing the biological screen material on the outer wall of said container.
  • the installation of the device according to the invention is therefore particularly simple. and can be done in two stages. First you just need to install optionally the lead plate and / or any other metal, then to sink said neutron shield material directly inside the profile; the profile thus prepared is then fixed on the container shell.
  • the bolting operations of the case on the ferrule can be done by lights made in the face of the profile opposite to that which is in contact with the ferrule, lights which are then properly plugged in.
  • Figure 1 illustrates the device according to the invention. It represents a container for radioactive material seen in section and the detail of a view, always in section, of two adjacent housings according to the invention.
  • Each of them essentially consists of a metal profile (5) hollow, closed longitudinally, with 4 long sides; of cooling fins (6) are located on the outer face of said profiles.
  • the inner face (7) is conformed to the outer face of the ferrule (1) of so as to ensure good thermal contact.
EP99420066A 1998-03-13 1999-03-10 Strahlenschutzvorrichtung für Behälter zum Transport von radioaktiven Stoffen und Verfahren zum Aufstellen einer solchen Strahlenschutzvorrichtung Expired - Lifetime EP0942435B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9803331A FR2776118B1 (fr) 1998-03-13 1998-03-13 Dispositif de protection contre les rayonnements pour conteneur de transport de matieres radioactives
FR9803331 1998-03-13

Publications (2)

Publication Number Publication Date
EP0942435A1 true EP0942435A1 (de) 1999-09-15
EP0942435B1 EP0942435B1 (de) 2003-05-21

Family

ID=9524201

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99420066A Expired - Lifetime EP0942435B1 (de) 1998-03-13 1999-03-10 Strahlenschutzvorrichtung für Behälter zum Transport von radioaktiven Stoffen und Verfahren zum Aufstellen einer solchen Strahlenschutzvorrichtung

Country Status (7)

Country Link
US (1) US6195404B1 (de)
EP (1) EP0942435B1 (de)
JP (1) JPH11295483A (de)
CZ (1) CZ297370B6 (de)
DE (1) DE69908002T2 (de)
ES (1) ES2200486T3 (de)
FR (1) FR2776118B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1355320A1 (de) * 2001-01-25 2003-10-22 Mitsubishi Heavy Industries, Ltd. Fass und verfahren zu seiner herstellung
EP1367602A1 (de) * 2002-05-31 2003-12-03 Hitachi, Ltd. Verfahren zur Fertigung eines Behälters zum Einschluss von abgebranntem Kernbrennstoff
EP1418594A1 (de) * 2002-11-09 2004-05-12 GNB Gesellschaft für Nuklear-Behälter mbH Transport- und/oder Lagerbehälter für wärmeentwickelnde radioaktive Elemente
FR3114907A1 (fr) * 2020-10-07 2022-04-08 Tn International Emballage pour le transport et/ou le stockage de matieres radioactives, comprenant un dispositif de protection radiologique reduisant les risques de fuites radiologiques

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1103984B1 (de) * 1999-06-19 2002-09-18 GNB Gesellschaft für Nuklear-Behälter mbH Transport- und/oder Lagerbehälter für radioaktive wärmeentwickelnde Elemente
JP3978210B2 (ja) * 2002-07-23 2007-09-19 三菱重工業株式会社 キャスク
US7199375B2 (en) * 2004-10-12 2007-04-03 Bard Brachytherapy, Inc. Radiation shielding container that encloses a vial of one or more radioactive seeds
US7342989B2 (en) * 2005-06-23 2008-03-11 Nac International, Inc. Apparatuses and methods for mechanical shielding and cooling
WO2008005932A2 (en) * 2006-06-30 2008-01-10 Holtec International, Inc. Apparatus, system and method for storing high level waste
US7973298B2 (en) * 2007-10-10 2011-07-05 Kobe Steel, Ltd. Transport/storage cask for radioactive material
FR2952467B1 (fr) * 2009-11-10 2011-12-23 Tn Int Emballage pour le transport et/ou entreposage de matieres radioactives conferant un transfert thermique renforce
FR2961005B1 (fr) * 2010-06-02 2015-12-11 Tn Int Emballage pour le transport et/ou entreposage de matieres radioactives, comprenant des moyens de conduction thermique ameliores
JP6655541B2 (ja) 2013-10-02 2020-02-26 ナック インターナショナル、 インコーポレイテッド 使用済み核燃料を湿式貯蔵から乾式貯蔵に移送するシステム及び方法
RU2552536C1 (ru) * 2013-12-24 2015-06-10 Открытое акционерное общество "АТОММАШЭКСПОРТ" Амортизирующее устройство транспортного упаковочного комплекса для транспортирования тепловыделяющих сборок реакторной установки
US9793021B2 (en) 2014-01-22 2017-10-17 Nac International Inc. Transfer cask system having passive cooling
RU2668558C1 (ru) * 2017-08-08 2018-10-02 Акционерное общество "Центральное конструкторское бюро машиностроения" (АО "ЦКБМ") Контейнер биологической защиты для разгрузочно-загрузочной машины
FR3080705B1 (fr) * 2018-04-27 2020-10-30 Tn Int Emballage de transport et/ou d'entreposage de matieres radioactives permettant une fabrication facilitee ainsi qu'une amelioration de la conduction thermique
RU2696017C1 (ru) * 2018-11-23 2019-07-30 Акционерное общество "Атоммашэкспорт" АО "Атоммашэкспорт" Амортизирующее устройство для перегрузки контейнеров с тепловыделяющими сборками реакторной установки (варианты)
WO2020149947A2 (en) * 2018-11-29 2020-07-23 Holtec International Spent nuclear fuel canister

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033287A (en) * 1978-10-17 1980-05-21 Transnuklear Gmbh Shielding container for transporting and/or storing burnt-up nuclear fuel elements
FR2454157A1 (fr) * 1979-04-14 1980-11-07 Transnuklear Gmbh Recipient blinde pour le transport et/ou le stockage d'elements combustibles nucleaires brules
FR2471027A1 (fr) * 1979-11-17 1981-06-12 Transnuklear Gmbh Vase de transport et/ou de stockage pour matieres radioactives
EP0087350A1 (de) * 1982-02-12 1983-08-31 Framatome Einrichtung zum Neutronenschutz für ein radioaktives Produkt
DE3620737C1 (de) * 1986-06-20 1987-10-01 Wiederaufarbeitung Von Kernbre Doppelbehaeltersystem zum Transport und zur Lagerung von radioaktiven Stoffen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3111586A (en) * 1961-08-25 1963-11-19 Baldwin Lima Hamilton Corp Air-cooled shipping container for nuclear fuel elements
EP0116412A1 (de) * 1983-01-18 1984-08-22 Kabushiki Kaisha Kobe Seiko Sho Behälter für radioaktive Materialien und Verfahren zur Herstellung
US4535250A (en) * 1984-05-30 1985-08-13 The United States Of America As Represented By The United States Department Of Energy Container for radioactive materials
JP3342994B2 (ja) * 1995-08-04 2002-11-11 株式会社神戸製鋼所 放射性物質の輸送兼貯蔵用容器
JPH1039091A (ja) * 1996-07-25 1998-02-13 Kobe Steel Ltd 放射性物質の収納容器及び放射線遮蔽材

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2033287A (en) * 1978-10-17 1980-05-21 Transnuklear Gmbh Shielding container for transporting and/or storing burnt-up nuclear fuel elements
FR2454157A1 (fr) * 1979-04-14 1980-11-07 Transnuklear Gmbh Recipient blinde pour le transport et/ou le stockage d'elements combustibles nucleaires brules
FR2471027A1 (fr) * 1979-11-17 1981-06-12 Transnuklear Gmbh Vase de transport et/ou de stockage pour matieres radioactives
EP0087350A1 (de) * 1982-02-12 1983-08-31 Framatome Einrichtung zum Neutronenschutz für ein radioaktives Produkt
DE3620737C1 (de) * 1986-06-20 1987-10-01 Wiederaufarbeitung Von Kernbre Doppelbehaeltersystem zum Transport und zur Lagerung von radioaktiven Stoffen

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1355320A1 (de) * 2001-01-25 2003-10-22 Mitsubishi Heavy Industries, Ltd. Fass und verfahren zu seiner herstellung
EP1355320A4 (de) * 2001-01-25 2010-01-06 Mitsubishi Heavy Ind Ltd Fass und verfahren zu seiner herstellung
EP1367602A1 (de) * 2002-05-31 2003-12-03 Hitachi, Ltd. Verfahren zur Fertigung eines Behälters zum Einschluss von abgebranntem Kernbrennstoff
EP1418594A1 (de) * 2002-11-09 2004-05-12 GNB Gesellschaft für Nuklear-Behälter mbH Transport- und/oder Lagerbehälter für wärmeentwickelnde radioaktive Elemente
FR3114907A1 (fr) * 2020-10-07 2022-04-08 Tn International Emballage pour le transport et/ou le stockage de matieres radioactives, comprenant un dispositif de protection radiologique reduisant les risques de fuites radiologiques
EP3982375A1 (de) * 2020-10-07 2022-04-13 Orano Nuclear Packages And Services Verpackung für den transport und/oder die lagerung von radioaktivem material, die eine strahlenschutzvorrichtung umfasst, die die risiken eines strahlungsaustritts reduziert
US11715576B2 (en) 2020-10-07 2023-08-01 Orano Nuclear Packages And Services Package for transporting and/or storing radioactive materials, comprising a radiological protection device reducing risks of radiological leaks

Also Published As

Publication number Publication date
FR2776118A1 (fr) 1999-09-17
FR2776118B1 (fr) 2000-06-09
DE69908002T2 (de) 2004-04-01
DE69908002D1 (de) 2003-06-26
CZ85799A3 (cs) 1999-09-15
EP0942435B1 (de) 2003-05-21
ES2200486T3 (es) 2004-03-01
JPH11295483A (ja) 1999-10-29
US6195404B1 (en) 2001-02-27
CZ297370B6 (cs) 2006-11-15

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