EP0084840A1 - Procédé pour fermer un récipient contenant des substances radio-actives - Google Patents

Procédé pour fermer un récipient contenant des substances radio-actives Download PDF

Info

Publication number
EP0084840A1
EP0084840A1 EP83100375A EP83100375A EP0084840A1 EP 0084840 A1 EP0084840 A1 EP 0084840A1 EP 83100375 A EP83100375 A EP 83100375A EP 83100375 A EP83100375 A EP 83100375A EP 0084840 A1 EP0084840 A1 EP 0084840A1
Authority
EP
European Patent Office
Prior art keywords
container
solder
container body
sealing
metallic
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
EP83100375A
Other languages
German (de)
English (en)
Other versions
EP0084840B1 (fr
Inventor
Jürgen Dipl.-Ing. Wemheuer
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
Nukem GmbH
Original Assignee
Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH
Nukem 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 Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH, Nukem GmbH filed Critical Deutsche Gesellschaft fuer Wiederaufarbeitung von Kernbrennstoffen mbH
Publication of EP0084840A1 publication Critical patent/EP0084840A1/fr
Application granted granted Critical
Publication of EP0084840B1 publication Critical patent/EP0084840B1/fr
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
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements

Definitions

  • the invention relates to a method for sealing a ceramic container for the long-term storage of spent nuclear reactor fuel elements or other radioactive substances, with a container base body open on one side and a closure lid.
  • the invention has for its object to provide a method for sealing a ceramic container for long-term storage of spent nuclear fuel, which is characterized by a good and tight connection between the cap and the container body.
  • the object is achieved in that the closure lid and the container body are connected with a metallic solder.
  • the method according to the invention creates a good connection between the container body and the closure cover. Because of the method according to the invention, a simple handling technique is possible when closing the containers in a hot cell.
  • solder molded parts are placed between the joint surfaces in a suitable form.
  • the suitable heating device heats up until the metallic solder spreads in the area of the joining surfaces, binding forces acting between the soldering partners.
  • This proposed method is particularly suitable for placing the metallic solder in the hot cell only after loading with the nuclear fuels.
  • a further advantageous embodiment of the invention is characterized by the features listed in claim 3.
  • the joining surfaces are pre-coated outside of the hot cell with the metallic solder. During the process of sealing in the hot cell, only a brief melting of the solder is necessary. The base material of the container body and the sealing lid can no longer be heated to the soldering temperature. This relatively simple melting of the solder coating can be achieved by simple induction heating.
  • the invention also relates to a container for the long-term storage of spent nuclear reactor fuel elements.
  • the ceramic container shown in the drawing has a container body 1, which is cylindrical and is open on one side. Furthermore, the container has a closure lid 2. Sealing lid 2 and container base body 1 lie on top of one another, including an annular shaped part 3 made of metallic solder. The joining surfaces of the closure cover 2 and the container body 1 are stepped. The metallic solder molded part 3 is deformed in accordance with these steps.
  • the container is loaded with spent nuclear fuel in a shielded room, a so-called "hot cell", by remote control.
  • the annular solder molded part 3 is placed on the joining surfaces of the container base body 1.
  • the sealing lid 2 which is shaped accordingly with its joining surface, is placed on the container base body 1 and thus on the annular solder molded part 3.
  • a suitable heating device heats the solder molded part 3 as well as the container base body 1 and the sealing cover 2 in the area of the joining surfaces until the solder melts and the joining surfaces are wetted. Binding forces are effective between the soldering partners.
  • the main body of the container and the cap consisted of A1 2 0 3 .
  • TiPd solder was used as the metallic solder because titanium has a high affinity for oxygen.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Closures For Containers (AREA)
  • Fuel Cell (AREA)
  • Closing Of Containers (AREA)
  • Gasket Seals (AREA)
  • Packages (AREA)
EP83100375A 1982-01-22 1983-01-18 Procédé pour fermer un récipient contenant des substances radio-actives Expired EP0084840B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823201884 DE3201884A1 (de) 1982-01-22 1982-01-22 Verfahren zum verschliessen von radioaktive stoffe aufnehmenden behaeltern
DE3201884 1982-01-22

Publications (2)

Publication Number Publication Date
EP0084840A1 true EP0084840A1 (fr) 1983-08-03
EP0084840B1 EP0084840B1 (fr) 1986-01-02

Family

ID=6153625

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83100375A Expired EP0084840B1 (fr) 1982-01-22 1983-01-18 Procédé pour fermer un récipient contenant des substances radio-actives

Country Status (6)

Country Link
EP (1) EP0084840B1 (fr)
JP (1) JPS58171700A (fr)
BR (1) BR8300194A (fr)
CA (1) CA1201221A (fr)
DE (2) DE3201884A1 (fr)
ES (1) ES8404555A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141967A1 (fr) * 1983-09-24 1985-05-22 STEAG Kernenergie GmbH Procédé de fermeture d'un récipient pour le stockage de produits radioactifs
US4702391A (en) * 1984-12-22 1987-10-27 Kernforschungszentrum Karlsruhe Gmbh Containment with long-time corrosion resistant cover for sealed containers with highly radioactive content

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012101300B3 (de) * 2012-02-17 2013-04-18 Nuclear Cargo + Service Gmbh Verschlusseinrichtung für Behälter zum Transport radioaktiver Stoffe
JP2013181858A (ja) * 2012-03-02 2013-09-12 Tadashi Matsui 放射能汚染物の処理方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU39839A1 (fr) * 1960-03-17 1961-04-28
FR1347402A (fr) * 1963-01-23 1963-12-27 Lemer & Cie Améliorations apportées aux containers blindés et aux emballages destinés au transport des radioéléments
FR2375696A1 (fr) * 1976-12-21 1978-07-21 Asea Ab Procede pour enfermer du combustible nucleaire use ou des dechets de combustible nucleaire
US4115311A (en) * 1977-03-10 1978-09-19 The United States Of America As Represented By The United States Department Of Energy Nuclear waste storage container with metal matrix
DE2942092A1 (de) * 1979-10-18 1981-04-30 Steag Kernenergie Gmbh, 4300 Essen Vorrichtung fuer die aufbewahrung von radioaktiven abfallstoffen, insbesondere von bestrahlten kernreaktorbrennelementen
EP0061067A1 (fr) * 1981-03-20 1982-09-29 Asea Ab Procédé pour enfermer dans un récipient en cuivre les combustible usées d'un réacteur nucléaire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU39839A1 (fr) * 1960-03-17 1961-04-28
FR1347402A (fr) * 1963-01-23 1963-12-27 Lemer & Cie Améliorations apportées aux containers blindés et aux emballages destinés au transport des radioéléments
FR2375696A1 (fr) * 1976-12-21 1978-07-21 Asea Ab Procede pour enfermer du combustible nucleaire use ou des dechets de combustible nucleaire
US4115311A (en) * 1977-03-10 1978-09-19 The United States Of America As Represented By The United States Department Of Energy Nuclear waste storage container with metal matrix
DE2942092A1 (de) * 1979-10-18 1981-04-30 Steag Kernenergie Gmbh, 4300 Essen Vorrichtung fuer die aufbewahrung von radioaktiven abfallstoffen, insbesondere von bestrahlten kernreaktorbrennelementen
EP0061067A1 (fr) * 1981-03-20 1982-09-29 Asea Ab Procédé pour enfermer dans un récipient en cuivre les combustible usées d'un réacteur nucléaire

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0141967A1 (fr) * 1983-09-24 1985-05-22 STEAG Kernenergie GmbH Procédé de fermeture d'un récipient pour le stockage de produits radioactifs
US4702391A (en) * 1984-12-22 1987-10-27 Kernforschungszentrum Karlsruhe Gmbh Containment with long-time corrosion resistant cover for sealed containers with highly radioactive content

Also Published As

Publication number Publication date
DE3201884A1 (de) 1983-08-04
ES519263A0 (es) 1984-04-16
JPS58171700A (ja) 1983-10-08
DE3361648D1 (en) 1986-02-13
ES8404555A1 (es) 1984-04-16
CA1201221A (fr) 1986-02-25
EP0084840B1 (fr) 1986-01-02
BR8300194A (pt) 1983-10-11

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