EP2824671B1 - Transport and/or storage container and method for closing a transport and/or storage container - Google Patents

Transport and/or storage container and method for closing a transport and/or storage container Download PDF

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Publication number
EP2824671B1
EP2824671B1 EP13175971.4A EP13175971A EP2824671B1 EP 2824671 B1 EP2824671 B1 EP 2824671B1 EP 13175971 A EP13175971 A EP 13175971A EP 2824671 B1 EP2824671 B1 EP 2824671B1
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EP
European Patent Office
Prior art keywords
container
main lid
sealing
container main
sealing element
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.)
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Application number
EP13175971.4A
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German (de)
French (fr)
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EP2824671A1 (en
Inventor
Roland Hüggenberg
Timon Hörster
Margarete Kustosz
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.)
GNS Gesellschaft fuer Nuklearservice mbH
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GNS Gesellschaft fuer Nuklearservice 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.)
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Publication date
Application filed by GNS Gesellschaft fuer Nuklearservice mbH filed Critical GNS Gesellschaft fuer Nuklearservice mbH
Priority to EP13175971.4A priority Critical patent/EP2824671B1/en
Priority to ES13175971.4T priority patent/ES2565396T3/en
Publication of EP2824671A1 publication Critical patent/EP2824671A1/en
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Publication of EP2824671B1 publication Critical patent/EP2824671B1/en
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    • 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 transport and / or storage container for receiving radioactive components, in particular for receiving radioactive waste, wherein the container has a container bottom, a container casing and a container main cover and wherein between the container main lid and container casing at least a first sealing component is arranged.
  • the invention further relates to a method for closing such a transport and / or storage container. -
  • transport and / or storage container instead of the term transport and / or storage container shortened and the term container is used.
  • Transport and / or storage container of the type described above are known in practice in different embodiments in the first sealing component is in particular a circumferential over the circumference of the container resilient seal in the form of an elastomeric seal.
  • the extent known sealing measures have basically proven. However, many known measures have no long-term suitability and, in the long term, such containers must generally be secured with further sealing measures or sealing components. This is relatively complicated and expensive. In that regard, the known from practice sealing measures can be improved.
  • the invention is based on the technical problem to provide a transport and / or storage container of the type described above, which can be set up in a simple and inexpensive way for a long-term tightness and in which the disadvantages described above can be avoided.
  • the invention is still the technical Problem to provide a method for closing a corresponding container.
  • the invention initially teaches a transport and / or storage container according to claim 1.
  • the radioactive components or radioactive waste accommodated in the container or in the container interior are, for example, radioactive scrap, free-flowing radioactive bulk material or the like.
  • the container interior of the container is limited by the container bottom, the container shell and the container main lid.
  • an inner lid arranged above the container interior and below the container main lid is also possible.
  • the container bottom, the container casing and the container main lid consist of a metal or essentially of a metal.
  • the main sealing function of the container according to the invention is taken over by the container main lid and the sealing measures realized in connection therewith.
  • the container main lid is expediently connected to the container jacket via screw connections. It is recommended that for realization the screw is distributed a plurality of screws over the circumference of the container main cover or over the circumference of the container shell.
  • the screws are preferably introduced from above into screw openings of the container main lid and preferably screwed into a matching thread in the container shell.
  • the screw connections between the container main lid and container jacket should contribute to the tightness of the container.
  • the first sealing component is arranged as a separate sealing component between the container main lid and container jacket.
  • this at least first sealing component is provided stoff gleich fürsok between the container main cover and the container shell.
  • Separate sealing components means in the context of the invention in particular that this sealing component is neither part of the container main lid nor part of the container shell.
  • the at least first sealing component consists of a resilient material and preferably of a material elastically deformable on the container under the conditions of the lid application.
  • the first sealing component is formed as an elastomeric seal.
  • Elastomeric seal means that the sealing component consists of an elastomeric material or substantially of an elastomeric material and in particular consists of an elastomeric plastic or substantially of an elastomeric plastic.
  • the first sealing component can also be designed as a metallic seal.
  • Metallic seal accordingly means that the seal consists of a metallic material or substantially of a metallic material. It is within the scope of the invention that the first sealing component over the circumference of the container shell or the container main lid rotates.
  • the first sealing component may be formed, for example, as an O-ring or the like. It is further within the scope of the invention that the first sealing component is arranged or fitted under pretension between the container main lid and the container jacket. Conveniently, the first sealing component is completely enclosed by the container main lid and / or container shell components so that the first sealing component is enclosed upwardly, downwardly and to the sides by these components.
  • a first sealing component is arranged between components of the container main lid and the container jacket which are oriented in the container longitudinal direction, the components of the container main lid and container jacket-which include the first sealing component-being expediently oriented vertically or substantially vertically.
  • at least one sealing component or at least one second sealing component is arranged between components of the container main lid and the container jacket arranged transversely to the container longitudinal direction, the components of the container main lid and the container jacket-which include the sealing component or second sealing component-preferably being arranged horizontally.
  • container longitudinal direction, vertical and horizontal refer to the erected state of the container according to the invention with soil-side oriented container bottom.
  • a recommended embodiment of the invention is characterized in that at least one first sealing component described above-between container components oriented in the container longitudinal direction-and at least one second sealing component explained above-is arranged between container components oriented transversely to the container longitudinal direction.
  • a particularly preferred embodiment of the invention is characterized in that the at least one sealing element according to the invention or at least one first sealing element according to the invention is designed as a metallic sealing element and that this metallic sealing element is welded to the container main lid on the one hand and with the container jacket on the other.
  • the cohesive connection is thus realized in this preferred embodiment as a welded connection.
  • an arc welding method for example an UP welding method (submerged arc welding method) can be used as the welding method. It is within the scope of the invention that the welding method is selected depending on the materials to be welded.
  • the at least one sealing element according to the invention or the at least one first sealing element according to the invention is designed as an annular, preferably annular, sealing element. According to one embodiment variant, this is a continuous or complete sealing ring. According to another embodiment variant, the annular or annular sealing element may also have at least one interruption or opening.
  • a particularly preferred embodiment of the invention is characterized in that the annular sealing element is composed of a plurality of sealing ring segments. It is within the scope of the invention that each of the sealing ring segments on the one hand and the container shell on the other hand is materially connected or welded to the container main lid.
  • the at least one sealing element according to the invention or the at least one first sealing element according to the invention is inserted in a sealing groove which is open at the top.
  • the sealing element in this sealing groove is integrally connected to the container main lid and cohesively with the container shell or welded.
  • the cohesive connection or the welding takes place expediently on the sides or at the lateral edges of the sealing groove.
  • the sealing groove is annular and preferably circular.
  • the fabric joints or welds at the edges of this sealing groove are also annular or circular and particularly preferably formed with respect to the longitudinal center axis of the container as concentric circles.
  • the sealing groove for receiving the sealing element at first - d. H. before the cohesive connection or welding - is formed open at the top, so that the sealing element can be inserted from above into the sealing groove.
  • the sealing groove is arranged on the upper side of the container main lid and / or on the upper side of the container jacket. After the cohesive connection or welding, the container main cover and the sealing element with the connecting or welding seams can basically be covered by a further cover element or the like.
  • a recommended embodiment is characterized in that the sealing groove is partially provided in the container main cover or partially in the top of the container main lid and partially in the container casing or partially in the top / in the top edge of the container casing or incorporated.
  • the sealing groove is largely formed in the container main cover or in the top of the container main lid and in relation to its surface (in plan view) to at least 80%, preferably is formed at least 85% in the container main cover or in the top of the container main lid.
  • the heights of the sealing groove - seen in the container longitudinal direction - is recommended, 5 to 40%, preferably 10 to 35% and preferably 10 to 30% of the total thickness of the container main lid.
  • the height h of the sealing groove is 8 to 25 mm, preferably 10 to 20 mm. It is within the scope of the invention that in the mounted state of the sealing element, the upper side of the sealing element or of the annular sealing element is aligned with the upper side of the container main lid. According to a particularly preferred embodiment of the invention, the sealing groove or the annular sealing groove is arranged above or directly above the screws for the screw fastening of the container main lid to the container shell.
  • the screws for screwing the container main cover to the container shell initially over or through the sealing groove can be introduced and after screwing the container main lid, preferably, the sealing element or the annular sealing element can be inserted into the sealing groove and connected in the sealing groove cohesively or welded.
  • a recommended embodiment of the invention is characterized in that the container main lid has at least one passage channel for the manipulation of the container interior, in particular for drying, degassing or the like of the container interior.
  • the at least one passage channel is covered or fired with at least one second sealing element, which second sealing element is materially connected at least to the container main lid.
  • a cover component for closing the at least one passage channel is interposed between the second sealing element and the at least one passage channel, which cover component is preferably connected via screw with the container main lid.
  • the container main lid has a - preferably central or central center - sealing recess and that the second sealing element in the sealing recess - is advantageously fitted form-fitting or substantially form-fitting. It is within the scope of the invention that the second sealing element is integrally connected to the edges of the sealing recess.
  • the sealing recess is a circular or substantially circular sealing recess.
  • the second sealing element to be fitted in the sealing recess is preferably a plate, and more preferably a circular plate. Appropriately, the edges of the plate or the circular plate with the edges of the sealing recess or the circular sealing recess are cohesively connected.
  • the resulting material connection seam is arranged concentrically to the preferably annular or annular cohesive connection seams or welds of the first sealing element according to the invention.
  • the heights of the sealing recess for the second sealing element correspond to the heights or substantially the heights of the sealing groove for the first sealing element. It is recommended that the upper side of the second sealing element, which is fitted into the sealing recess and has a material connection, is aligned with the upper side of the container main lid and preferably also with the upper side of the first sealing element according to the invention.
  • the second sealing element is designed as a metallic sealing element and this second sealing element is at least with the container main lid or exclusively welded to the container main lid.
  • the adhesive connection for the second sealing element is thus preferably designed as a welded connection.
  • the invention also provides a method for closing a transport and / or storage container according to the invention.
  • the invention is based on the finding that due to the realization of the sealing measures according to the invention a special flexibility for the closure method is given, in particular with regard to mounting location and sequence of installation. Also, therefore, the invention is characterized by considerable advantages.
  • At least one second sealing element is firmly bonded, preferably welded, at least to the container main lid.
  • the container main lid for this purpose has a - preferably central or central center - sealing recess and the second sealing element is in the sealing recess - expediently form-fitting or substantially positive fit - fitted.
  • the second sealing element is then firmly bonded in this sealing recess with the container main lid, preferably welded.
  • a plate or sealing plate is materially connected or welded according to the recommended embodiment.
  • this second sealing element can also be made to the embodiments described above, measures and features.
  • the method according to the invention is in the course of manufacturing or assembly of a container - especially factory - immediately after loading the container with radioactive components and after screwing the container main lid then already at least a first sealing element cohesively with the container main cover and the container shell connected, preferably welded.
  • the at least first sealing element is bonded, preferably welded, to the container main lid and to the container jacket only before the intermediate storage of the container - in particular in a power plant.
  • the at least one second sealing element can then also be materially connected at least to the container main lid, preferably welded.
  • the first temporary sealing function is ensured by the screwing of the container main lid with the interposition of the at least first sealing component - for example, an elastomeric seal - and only before the intermediate storage of the container, the sealing measures of the invention are realized.
  • the container is suitable both as an intermediate storage container and as a repository container.
  • a method is characterized in that the at least one first sealing element and preferably also the at least one second sealing element at the end of the intermediate storage and before the disposal of the container is materially connected or welded.
  • the invention is based on the finding that with the sealing measures according to the invention an optimal tightness of the container can be long term ge Dunrleitstet. As a result, it is achieved in an advantageous manner that a subsequent application of an additional cover to the container to enhance the sealing function is basically not required. Rather, the sealing by the sealing measures according to the invention is completely sufficient here. In that regard, the invention is also characterized by low material and cost. Furthermore, it should be emphasized that the sealing measures according to the invention can be implemented in a simple, inexpensive and functionally reliable manner. The inventive method is also characterized by flexibility with regard to the assembly or with regard to the installation site.
  • the figures show a transport and / or storage container according to the invention for receiving unspecified radioactive components, in particular for receiving radioactive waste.
  • the container has a container bottom 1, a container casing 2 and a container main lid 3.
  • the radioactive components, not shown, are received in the container interior 10.
  • an unspecified here inner cover 13 is provided below the container main cover 3.
  • the container main cover 3 assumes the main sealing function for the container according to the invention.
  • the container main lid 3 is preferably connected to the container jacket 2 via screw connections 6 in the exemplary embodiment.
  • a plurality of screws 15 over the circumference of the container main cover 3 and over the circumference of the container shell 2 is arranged.
  • the screws 15 can be inserted from above into screw openings in the container main lid 3 and screwed into a corresponding thread in the container casing 2.
  • the connection of the container main cover 3 via screw 6 with the container shell 2 ensures a first sealing function for the container according to the invention.
  • a first sealing component 4 and a second sealing component 14 is disposed between the container main cover 3 and the container shell 2.
  • Both sealing components 4, 14 are provided as separate seals or sealing components 4, 14 cohesive connection free between the container main cover 3 and container shell 2.
  • the two sealing components 4, 14 are formed as elastomeric seals.
  • the sealing components 4, 14 expediently circulate over the circumference of the container. It is within the scope of the invention that the sealing components 4, 14 are set between the container main cover 3 and container shell 2 under bias. Both sealing components 4, 14 are preferred and in the exemplary embodiment completely, ie surrounded at the top, bottom and sides of components of the container main lid 3 and / or components of the container jacket 2.
  • the first sealing component 4 is recommended and, in the exemplary embodiment, provided between vertical components or between components of the container main lid 3 and the container jacket 2 arranged parallel to the longitudinal central axis L of the container.
  • the second sealing component 14 is preferred and in the embodiment between horizontal components or between transverse to the longitudinal center axis L of the container arranged components of the container main cover 3 and the container shell 2 is provided.
  • a first materially connected to the container main cover 3 on the one hand and cohesively with the container shell 2 on the other hand connected sealing element 5 is present between the container main cover 3 and the container shell 2.
  • This first sealing element 5 is recommended and in the embodiment designed as a metallic sealing element 5 and this sealing element 5 is welded to the container main cover 3 on the one hand and with the container shell 2 on the other.
  • the first sealing element 5 is preferably formed and in the embodiment as an annular or annular sealing element 5. Empfohlenenuit and in the embodiment, this is a continuous and complete or uninterrupted ring.
  • the first sealing element 5 is inserted into an at least initially upwardly open annular sealing groove 7.
  • the first sealing element 5 is in this annular sealing groove 7 welded to the container main cover 3 and welded to the container casing 2.
  • the welding expediently and in the embodiment also at the lateral edges of the sealing groove 7, so that annular welds 17 result, which are preferably arranged concentrically with respect to the longitudinal center axis L of the container.
  • the sealing groove 7 is partially provided in the container main cover 3 and in the top 8 of the container main cover 3 and partially in the container shell 2 and in the upper edge of the container shell 2. It is preferred and provided in the embodiment, the sealing groove 7 largely in the container main cover 3 or incorporated. In the embodiment, the height h of the sealing groove 7 may be about 15 mm. It is also within the scope of the invention that prior to application of the first sealing element 5 in the sealing groove 7, the screws 15 for the screw 6 via the sealing groove. 7 can be introduced. Consequently, in the exemplary embodiment, the sealing groove 7 is arranged directly above the screws 15.
  • the passage channels 9 are covered with a second sealing element 11.
  • This second sealing element 11 is preferably and in the embodiment with the container main lid 3 cohesively connected or welded. It is within the scope of the invention that, as in the embodiment between the second sealing element 11 and the passage channels 9, a lid component 16 is interposed, which is fixed via screw 6 on the container main cover 3.
  • the second sealing element 11 is formed in the form of a circular metallic plate.
  • This circular plate is inserted into a centrally located in the container main cover 3 central sealing recess 12 and indeed fitted in a form-fitting manner.
  • the second sealing element 11 can be materially connected to the container main cover 3 and with the edges of the circular sealing recess 12 or welded.
  • a circular weld 18, which is also oriented concentrically with respect to the longitudinal center axis L of the container.
  • the Figures 3 and 5 can be removed that preferred and in the embodiment, the second sealing element 11 in the assembled state with the upper side 8 of the container main cover 3 and with the top of the first sealing element 5 is aligned.

Description

Die Erfindung betrifft einen Transport- und/oder Lagerbehälter zur Aufnahme von radioaktiven Komponenten, insbesondere zur Aufnahme von radioaktiven Abfällen, wobei der Behälter einen Behälterboden, einen Behältermantel und einen Behälterhauptdeckel aufweist und wobei zwischen Behälterhauptdeckel und Behältermantel zumindest eine erste Dichtkomponente angeordnet ist. Gegenstand der Erfindung ist weiterhin ein Verfahren zum Verschließen eines solchen Transport- und/oder Lagerbehälters. - Hier und nachfolgend wird statt des Begriffes Transport- und/oder Lagerbehälter auch verkürzt der Begriff Behälter verwendet.The invention relates to a transport and / or storage container for receiving radioactive components, in particular for receiving radioactive waste, wherein the container has a container bottom, a container casing and a container main cover and wherein between the container main lid and container casing at least a first sealing component is arranged. The invention further relates to a method for closing such a transport and / or storage container. - Here and below, instead of the term transport and / or storage container shortened and the term container is used.

Transport- und/oder Lagerbehälter der eingangs beschriebenen Art sind aus der Praxis in unterschiedlichen Ausführungsformen bekannt Bei der ersten Dichtkomponente handelt es sich insbesondere um eine über den Umfang des Behälters umlaufende nachgiebige Dichtung in Form einer Elastomerdichtung. Die insoweit bekannten Dichtungsmaßnahmen haben sich grundsätzlich bewährt. Allerdings weisen viele bekannte Maßnahmen keine Langzeiteignung auf und langfristig müssen derartige Behälter in der Regel mit weiteren Dichtungsmaßnahmen bzw. Dichtungskomponenten gesichert werden. Das ist verhältnismäßig kompliziert und aufwendig. Insoweit sind die aus der Praxis bekannten Dichtungsmaßnahmen verbesserungsfähig.Transport and / or storage container of the type described above are known in practice in different embodiments in the first sealing component is in particular a circumferential over the circumference of the container resilient seal in the form of an elastomeric seal. The extent known sealing measures have basically proven. However, many known measures have no long-term suitability and, in the long term, such containers must generally be secured with further sealing measures or sealing components. This is relatively complicated and expensive. In that regard, the known from practice sealing measures can be improved.

Der Erfindung liegt das technische Problem zugrunde, einen Transport- und/oder Lagerbehälter der eingangs beschriebenen Art anzugeben, der auf einfache und wenig aufwendige Weise auch für eine langfristige Dichtigkeit eingerichtet werden kann und bei dem die vorstehend beschriebenen Nachteile vermieden werden können. Der Erfindung liegt weiterhin das technische Problem zugrunde, ein Verfahren zum Verschließen eines entsprechenden Behälters anzugeben.The invention is based on the technical problem to provide a transport and / or storage container of the type described above, which can be set up in a simple and inexpensive way for a long-term tightness and in which the disadvantages described above can be avoided. The invention is still the technical Problem to provide a method for closing a corresponding container.

Zur Lösung dieses technischen Problems lehrt die Erfindung zunächst einen Transport- und/oder Lagerbehälter gemäß Patentanspruch 1.To solve this technical problem, the invention initially teaches a transport and / or storage container according to claim 1.

Bei den in dem Behälter bzw. in dem Behälterinnenraum aufgenommenen radioaktiven Komponenten bzw. radioaktiven Abfällen handelt es sich beispielsweise um radioaktiven Schrott, um rieselfähiges radioaktives Schüttgut oder dergleichen. Es liegt im Rahmen der Erfindung, dass der Behälterinnenraum des Behälters durch den Behälterboden, den Behältermantel und den Behälterhauptdeckel begrenzt wird. Grundsätzlich ist im Rahmen der Erfindung aber auch noch ein über dem Behälterinnenraum und unter dem Behälterhauptdeckel angeordneter innerer Deckel möglich. - Es liegt weiterhin im Rahmen der Erfindung, dass der Behälterboden, der Behältermantel und der Behälterhauptdeckel aus einem Metall bzw. im Wesentlichen aus einem Metall bestehen. Grundsätzlich wird die Hauptdichtfunktion des erfindungsgemäßen Behälters durch den Behälterhauptdeckel und die im Zusammenhang damit verwirklichten Dichtmaßnahmen übernommen.The radioactive components or radioactive waste accommodated in the container or in the container interior are, for example, radioactive scrap, free-flowing radioactive bulk material or the like. It is within the scope of the invention that the container interior of the container is limited by the container bottom, the container shell and the container main lid. In principle, within the scope of the invention, an inner lid arranged above the container interior and below the container main lid is also possible. It is also within the scope of the invention that the container bottom, the container casing and the container main lid consist of a metal or essentially of a metal. In principle, the main sealing function of the container according to the invention is taken over by the container main lid and the sealing measures realized in connection therewith.

Zweckmäßigerweise ist der Behälterhauptdeckel über Schraubverbindungen mit dem Behältermantel verbunden. Es empfiehlt sich, dass zur Realisierung der Schraubverbindungen eine Mehrzahl von Schrauben über den Umfang des Behälterhauptdeckels bzw. über den Umfang des Behältermantels verteilt angeordnet ist. Dazu werden die Schrauben vorzugsweise von oben in Schrauböffnungen des Behälterhauptdeckels eingebracht und bevorzugt in ein passendes Gewinde im Behältermantel eingeschraubt. Auch die Schraubverbindungen zwischen Behälterhauptdeckel und Behältermantel sollen zur Dichtigkeit des Behälters beitragen.The container main lid is expediently connected to the container jacket via screw connections. It is recommended that for realization the screw is distributed a plurality of screws over the circumference of the container main cover or over the circumference of the container shell. For this purpose, the screws are preferably introduced from above into screw openings of the container main lid and preferably screwed into a matching thread in the container shell. The screw connections between the container main lid and container jacket should contribute to the tightness of the container.

Es liegt im Rahmen der Erfindung, dass die erste Dichtkomponente als separate Dichtkomponente zwischen Behälterhauptdeckel und Behältermantel angeordnet ist. Vorzugsweise ist diese zumindest erste Dichtkomponente stoffschlussverbindungsfrei zwischen dem Behälterhauptdeckel und dem Behältermantel vorgesehen. Separate Dichtkomponenten meint im Rahmen der Erfindung insbesondere, dass diese Dichtkomponente weder Bestandteil des Behälterhauptdeckels noch Bestandteil des Behältermantels ist.It is within the scope of the invention that the first sealing component is arranged as a separate sealing component between the container main lid and container jacket. Preferably, this at least first sealing component is provided stoffschlussverbindungsfrei between the container main cover and the container shell. Separate sealing components means in the context of the invention in particular that this sealing component is neither part of the container main lid nor part of the container shell.

Es liegt weiterhin im Rahmen der Erfindung, dass die zumindest erste Dichtkomponente aus einem nachgiebigem Material und bevorzugt aus einem unter den Bedingungen der Deckelaufbringung auf den Behälter elastisch verformbaren Material besteht. Nach besonders bevorzugter Ausführungsform der Erfindung ist die erste Dichtkomponente als Elastomerdichtung ausgebildet. Elastomerdichtung meint dabei, dass die Dichtkomponente aus einem elastomeren Material bzw. im Wesentlichen aus einem elastomeren Material besteht und insbesondere aus einem elastomeren Kunststoff bzw. im Wesentlichen aus einem elastomeren Kunststoff besteht. Die erste Dichtkomponente kann auch als metallische Dichtung ausgeführt sein. Metallische Dichtung meint entsprechend, dass die Dichtung aus einem metallischen Material bzw. im Wesentlichen aus einem metallischen Material besteht. Es liegt im Rahmen der Erfindung, dass die erste Dichtkomponente über den Umfang des Behältermantels bzw. des Behälterhauptdeckels umläuft. Insoweit kann die erste Dichtkomponente beispielsweise als O-Ring oder dergleichen ausgebildet sein. Es liegt fernerhin im Rahmen der Erfindung, dass die erste Dichtkomponente unter Vorspannung zwischen dem Behälterhauptdeckel und dem Behältermantel angeordnet bzw. eingepasst ist. Zweckmäßigerweise wird die erste Dichtkomponente vollständig von den Behälterhauptdeckel- und/oder Behältermantelkomponenten umgeben bzw. eingehaust, so dass die erste Dichtkomponente nach oben, nach unten und zu den Seiten hin von diesen Komponenten eingeschlossen ist.It is further within the scope of the invention that the at least first sealing component consists of a resilient material and preferably of a material elastically deformable on the container under the conditions of the lid application. According to a particularly preferred embodiment of the invention, the first sealing component is formed as an elastomeric seal. Elastomeric seal means that the sealing component consists of an elastomeric material or substantially of an elastomeric material and in particular consists of an elastomeric plastic or substantially of an elastomeric plastic. The first sealing component can also be designed as a metallic seal. Metallic seal accordingly means that the seal consists of a metallic material or substantially of a metallic material. It is within the scope of the invention that the first sealing component over the circumference of the container shell or the container main lid rotates. In that regard, the first sealing component may be formed, for example, as an O-ring or the like. It is further within the scope of the invention that the first sealing component is arranged or fitted under pretension between the container main lid and the container jacket. Conveniently, the first sealing component is completely enclosed by the container main lid and / or container shell components so that the first sealing component is enclosed upwardly, downwardly and to the sides by these components.

Gemäß einer Ausführungsform der Erfindung ist eine erste Dichtkomponente zwischen in Behälterlängsrichtung orientierten Komponenten des Behälterhauptdeckels und des Behältermantels angeordnet, wobei die Komponenten des Behälterhauptdeckels und Behältermantels - die die erste Dichtkomponente einschließen - zweckmäßigerweise vertikal bzw. im Wesentlichen vertikal ausgerichtet sind. Alternativ oder zusätzlich ist zumindest eine Dichtkomponente bzw. zumindest eine zweite Dichtkomponente zwischen quer zur Behälterlängsrichtung angeordneten Komponenten des Behälterhauptdeckels und des Behältermantels angeordnet, wobei die Komponenten des Behälterhauptdeckels und des Behältermantels - die die Dichtkomponente bzw. zweite Dichtkomponente einschließen - vorzugsweise horizontal angeordnet sind. Die Begriffe Behälterlängsrichtung, vertikal und horizontal beziehen sich auf den aufgestellten Zustand des erfindungsgemäßen Behälters mit erdbodenseitig orientiertem Behälterboden. Eine empfohlene Ausführungsform der Erfindung zeichnet sich dadurch aus, dass sowohl zumindest eine vorstehend beschriebene erste Dichtkomponente - zwischen in Behälterlängsrichtung orientierten Behälterkomponenten - und zumindest eine vorstehend erläuterte zweite Dichtkomponente - zwischen quer zur Behälterlängsrichtung orientierten Behälterkomponenten angeordnet ist.According to one embodiment of the invention, a first sealing component is arranged between components of the container main lid and the container jacket which are oriented in the container longitudinal direction, the components of the container main lid and container jacket-which include the first sealing component-being expediently oriented vertically or substantially vertically. Alternatively or additionally, at least one sealing component or at least one second sealing component is arranged between components of the container main lid and the container jacket arranged transversely to the container longitudinal direction, the components of the container main lid and the container jacket-which include the sealing component or second sealing component-preferably being arranged horizontally. The terms container longitudinal direction, vertical and horizontal refer to the erected state of the container according to the invention with soil-side oriented container bottom. A recommended embodiment of the invention is characterized in that at least one first sealing component described above-between container components oriented in the container longitudinal direction-and at least one second sealing component explained above-is arranged between container components oriented transversely to the container longitudinal direction.

Eine besonders bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass das zumindest eine erfindungsgemäße Dichtelement bzw. das zumindest eine erfindungsgemäße erste Dichtelement als metallisches Dichtelement ausgebildet ist und dass dieses metallische Dichtelement mit dem Behälterhauptdeckel einerseits und mit dem Behältermantel andererseits verschweißt ist. Die stoffschlüssige Verbindung wird bei dieser bevorzugten Ausführungsform also als Schweißverbindung verwirklicht. Als Schweißverfahren kann insbesondere ein Lichtbogenschweißverfahren, beispielsweise ein UP-Schweißverfahren (Unterpulver-Schweißverfahren) eingesetzt werden. Es liegt im Rahmen der Erfindung, dass das Schweißverfahren je nach den zu verschweißenden Materialien gewählt wird.A particularly preferred embodiment of the invention is characterized in that the at least one sealing element according to the invention or at least one first sealing element according to the invention is designed as a metallic sealing element and that this metallic sealing element is welded to the container main lid on the one hand and with the container jacket on the other. The cohesive connection is thus realized in this preferred embodiment as a welded connection. In particular, an arc welding method, for example an UP welding method (submerged arc welding method) can be used as the welding method. It is within the scope of the invention that the welding method is selected depending on the materials to be welded.

Nach besonders empfohlener Ausführungsform, der im Rahmen der Erfindung besondere Bedeutung zukommt, ist das zumindest eine erfindungsgemäße Dichtelement bzw. das zumindest eine erfindungsgemäße erste Dichtelement als ringförmiges, vorzugsweise als kreisringförmiges Dichtelement ausgebildet. Gemäß einer Ausführungsvariante handelt es sich dabei um einen durchgehenden bzw. vollständigen Dichtring. Nach einer anderen Ausführungsvariante kann das ringförmige bzw. kreisringförmige Dichtelement auch zumindest eine Unterbrechung bzw. Durchbrechung aufweisen. Eine ganz besonders bevorzugte Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass das ringförmige Dichtelement aus einer Mehrzahl von Dichtringsegmenten zusammengesetzt wird. Es liegt dabei im Rahmen der Erfindung, dass jedes der Dichtringsegmente mit dem Behälterhauptdeckel einerseits und mit dem Behältermantel andererseits stoffschlüssig verbunden wird bzw. verschweißt wird.According to a particularly recommended embodiment, which has special significance within the scope of the invention, the at least one sealing element according to the invention or the at least one first sealing element according to the invention is designed as an annular, preferably annular, sealing element. According to one embodiment variant, this is a continuous or complete sealing ring. According to another embodiment variant, the annular or annular sealing element may also have at least one interruption or opening. A particularly preferred embodiment of the invention is characterized in that the annular sealing element is composed of a plurality of sealing ring segments. It is within the scope of the invention that each of the sealing ring segments on the one hand and the container shell on the other hand is materially connected or welded to the container main lid.

Es liegt im Rahmen der Erfindung, dass das zumindest eine erfindungsgemäße Dichtelement bzw. das zumindest eine erfindungsgemäße erste Dichtelement in einer - nach oben hin offenen - Dichtnut eingelegt ist. Zweckmäßigerweise ist das Dichtelement in dieser Dichtnut stoffschlüssig mit dem Behälterhauptdeckel und stoffschlüssig mit dem Behältermantel verbunden bzw. verschweißt. Die stoffschlüssige Verbindung bzw. die Verschweißung erfolgt dabei zweckmäßigerweise an den Seiten bzw. an den seitlichen Rändern der Dichtnut. Nach einer empfohlenen Ausführungsvariante ist die Dichtnut ringförmig und bevorzugt kreisförmig ausgebildet. Dann sind die Stoffschlussverbindungen bzw. Schweißnähte an den Rändern dieser Dichtnut ebenfalls ringförmig bzw. kreisförmig und besonders bevorzugt in Bezug auf die Längsmittelachse des Behälters als konzentrische Kreise ausgebildet. - Es liegt im Rahmen der Erfindung, dass die Dichtnut für die Aufnahme des Dichtelementes zunächst - d. h. vor der stoffschlüssigen Verbindung bzw. Verschweißung - nach oben hin offen ausgebildet ist, so dass das Dichtelement von oben in die Dichtnut eingelegt werden kann. Dabei ist die Dichtnut an der Oberseite des Behälterhauptdeckels und/oder an der Oberseite des Behältermantels angeordnet. Nach der stoffschlüssigen Verbindung bzw. Verschweißung kann der Behälterhauptdeckel und kann das Dichtelement mit den Verbindungs- bzw. Verschweißungsnähten grundsätzlich durch ein weiteres Deckelelement oder dergleichen abgedeckt werden.It is within the scope of the invention that the at least one sealing element according to the invention or the at least one first sealing element according to the invention is inserted in a sealing groove which is open at the top. Appropriately, the sealing element in this sealing groove is integrally connected to the container main lid and cohesively with the container shell or welded. The cohesive connection or the welding takes place expediently on the sides or at the lateral edges of the sealing groove. According to a recommended embodiment, the sealing groove is annular and preferably circular. Then, the fabric joints or welds at the edges of this sealing groove are also annular or circular and particularly preferably formed with respect to the longitudinal center axis of the container as concentric circles. - It is within the scope of the invention that the sealing groove for receiving the sealing element at first - d. H. before the cohesive connection or welding - is formed open at the top, so that the sealing element can be inserted from above into the sealing groove. In this case, the sealing groove is arranged on the upper side of the container main lid and / or on the upper side of the container jacket. After the cohesive connection or welding, the container main cover and the sealing element with the connecting or welding seams can basically be covered by a further cover element or the like.

Eine empfohlene Ausführung ist dadurch gekennzeichnet, dass die Dichtnut teilweise im Behälterhauptdeckel bzw. teilweise in der Oberseite des Behälterhauptdeckels und teilweise im Behältermantel bzw. teilweise in der Oberseite/im oberseitigen Rand des Behältermantels vorgesehen ist bzw. eingearbeitet ist. Zweckmäßigerweise ist die Dichtnut größtenteils in dem Behälterhauptdeckel bzw. in der Oberseite des Behälterhauptdeckels ausgebildet und zwar in Bezug auf ihre Fläche (in der Draufsicht) zu zumindest 80%, vorzugsweise zu zumindest 85% im Behälterhauptdeckel bzw. in der Oberseite des Behälterhauptdeckels ausgebildet ist. - Die Höhen der Dichtnut - in Behälterlängsrichtung gesehen - beträgt empfohlenermaßen 5 bis 40 %, vorzugsweise 10 bis 35 % und bevorzugt 10 bis 30 % der gesamten Dicke des Behälterhauptdeckels. Es hat sich bewährt, dass die Höhe h der Dichtnut 8 bis 25 mm, bevorzugt 10 bis 20 mm beträgt. Es liegt im Rahmen der Erfindung, dass im montierten Zustand des Dichtelementes die Oberseite des Dichtelementes bzw. des ringförmigen Dichtelementes mit der Oberseite des Behälterhauptdeckels fluchtet. Nach einer besonders bevorzugten Ausführungsform der Erfindung ist die Dichtnut bzw. die ringförmige Dichtnut oberhalb bzw. direkt oberhalb der Schrauben für die Schraubbefestigung des Behälterhauptdeckels an dem Behältermantel angeordnet. Somit sind die Schrauben zur Verschraubung des Behälterhauptdeckels an dem Behältermantel zunächst über bzw. durch die Dichtnut einbringbar und nach Verschraubung des Behälterhauptdeckels kann vorzugsweise das Dichtelement bzw. das ringförmige Dichtelement in die Dichtnut eingelegt werden und in der Dichtnut stoffschlüssig verbunden bzw. verschweißt werden.A recommended embodiment is characterized in that the sealing groove is partially provided in the container main cover or partially in the top of the container main lid and partially in the container casing or partially in the top / in the top edge of the container casing or incorporated. Conveniently, the sealing groove is largely formed in the container main cover or in the top of the container main lid and in relation to its surface (in plan view) to at least 80%, preferably is formed at least 85% in the container main cover or in the top of the container main lid. - The heights of the sealing groove - seen in the container longitudinal direction - is recommended, 5 to 40%, preferably 10 to 35% and preferably 10 to 30% of the total thickness of the container main lid. It has been proven that the height h of the sealing groove is 8 to 25 mm, preferably 10 to 20 mm. It is within the scope of the invention that in the mounted state of the sealing element, the upper side of the sealing element or of the annular sealing element is aligned with the upper side of the container main lid. According to a particularly preferred embodiment of the invention, the sealing groove or the annular sealing groove is arranged above or directly above the screws for the screw fastening of the container main lid to the container shell. Thus, the screws for screwing the container main cover to the container shell initially over or through the sealing groove can be introduced and after screwing the container main lid, preferably, the sealing element or the annular sealing element can be inserted into the sealing groove and connected in the sealing groove cohesively or welded.

Eine empfohlene Ausführungsform der Erfindung ist dadurch gekennzeichnet, dass der Behälterhauptdeckel zumindest einen Durchlasskanal für die Manipulation des Behälterinnenraumes aufweist, insbesondere zur Trocknung, Entgasung oder dergleichen des Behälterinnenraumes aufweist. Vorzugsweise ist der zumindest eine Durchlasskanal mit zumindest einem zweiten Dichtelement abgedeckt bzw. verschossen, welches zweite Dichtelement stoffschlüssig zumindest mit dem Behälterhauptdeckel verbunden ist. Nach zweckmäßiger Ausführungsvariante der Erfindung ist zwischen dem zweiten Dichtelement und dem zumindest einen Durchlasskanal eine Deckelkomponente zum Verschluss des zumindest einen Durchlasskanals zwischengeschaltet, welche Deckelkomponente bevorzugt über Schraubverbindungen mit dem Behälterhauptdeckel verbunden ist.A recommended embodiment of the invention is characterized in that the container main lid has at least one passage channel for the manipulation of the container interior, in particular for drying, degassing or the like of the container interior. Preferably, the at least one passage channel is covered or fired with at least one second sealing element, which second sealing element is materially connected at least to the container main lid. According to an advantageous embodiment variant of the invention, a cover component for closing the at least one passage channel is interposed between the second sealing element and the at least one passage channel, which cover component is preferably connected via screw with the container main lid.

Es empfiehlt sich, dass der Behälterhauptdeckel eine - bevorzugt mittige bzw. zentralmittige - Dichtausnehmung aufweist und dass das zweite Dichtelement in die Dichtausnehmung - zweckmäßigerweise formschlüssig bzw. im Wesentlichen formschlüssig - eingepasst ist. Es liegt im Rahmen der Erfindung, dass das zweite Dichtelement mit den Rändern der Dichtausnehmung stoffschlüssig verbunden ist. Gemäß bevorzugter Ausführungsvariante der Erfindung handelt es sich bei der Dichtausnehmung um eine kreisförmige bzw. um eine im Wesentlichen kreisförmige Dichtausnehmung. Bei dem in die Dichtausnehmung einzupassenden zweiten Dichtelement handelt es sich bevorzugt um eine Platte und besonders bevorzugt um eine kreisförmige Platte. Zweckmäßigerweise sind die Ränder der Platte bzw. der kreisförmigen Platte mit den Rändern der Dichtausnehmung bzw. der kreisförmigen Dichtausnehmung stoffschlüssig verbunden. Es liegt im Rahmen der Erfindung, dass die dabei resultierende Stoffschlussverbindungsnaht konzentrisch zu den bevorzugt ringförmigen bzw. kreisringförmigen Stoffschlussverbindungsnähten bzw. Schweißnähten des ersten erfindungsgemäßen Dichtelementes angeordnet ist. Zweckmäßigerweise entsprechen die Höhen der Dichtausnehmung für das zweite Dichtelement der Höhen bzw. im Wesentlichen der Höhen der Dichtnut für das erste Dichtelement. Es empfiehlt sich, dass die Oberseite des in die Dichtausnehmung eingepassten und stoffschlüssig verbundenen zweiten Dichtelementes mit der Oberseite des Behälterhauptdeckels und vorzugsweise auch mit der Oberseite des ersten erfindungsgemäßen Dichtelementes fluchtet.It is recommended that the container main lid has a - preferably central or central center - sealing recess and that the second sealing element in the sealing recess - is advantageously fitted form-fitting or substantially form-fitting. It is within the scope of the invention that the second sealing element is integrally connected to the edges of the sealing recess. According to a preferred embodiment of the invention, the sealing recess is a circular or substantially circular sealing recess. The second sealing element to be fitted in the sealing recess is preferably a plate, and more preferably a circular plate. Appropriately, the edges of the plate or the circular plate with the edges of the sealing recess or the circular sealing recess are cohesively connected. It is within the scope of the invention that the resulting material connection seam is arranged concentrically to the preferably annular or annular cohesive connection seams or welds of the first sealing element according to the invention. Conveniently, the heights of the sealing recess for the second sealing element correspond to the heights or substantially the heights of the sealing groove for the first sealing element. It is recommended that the upper side of the second sealing element, which is fitted into the sealing recess and has a material connection, is aligned with the upper side of the container main lid and preferably also with the upper side of the first sealing element according to the invention.

Gemäß ganz besonders bevorzugter Ausführungsform der Erfindung ist das zweite Dichtelement als metallisches Dichtelement ausgebildet und dieses zweite Dichtelement ist zumindest mit dem Behälterhauptdeckel bzw. ausschließlich mit dem Behälterhauptdeckel verschweißt. Die Stoffschlussverbindung für das zweite Dichtelement ist somit bevorzugt als Schweißverbindung ausgeführt. In Bezug auf das anzuwendende Schweißverfahren kann auf die stoffschlüssige Verbindung bzw. auf das Verschweißen des ersten Dichtelementes verwiesen werden.According to a particularly preferred embodiment of the invention, the second sealing element is designed as a metallic sealing element and this second sealing element is at least with the container main lid or exclusively welded to the container main lid. The adhesive connection for the second sealing element is thus preferably designed as a welded connection. With regard to the welding method to be used, reference may be made to the cohesive connection or to the welding of the first sealing element.

Gegenstand der Erfindung ist auch ein Verfahren zum Verschließen eines erfindungsgemäßen Transport- und/oder Lagerbehälters gemäß Patentanspruch 10.The invention also provides a method for closing a transport and / or storage container according to the invention.

Der Erfindung liegt die Erkenntnis zugrunde, dass aufgrund der Realisierung der erfindungsgemäßen Dichtmaßnahmen eine besondere Flexibilität für das Verschlussverfahren insbesondere bezüglich Montageort und Reihenfolge der Montage gegeben ist. Auch von daher zeichnet sich die Erfindung durch beachtliche Vorteile aus.The invention is based on the finding that due to the realization of the sealing measures according to the invention a special flexibility for the closure method is given, in particular with regard to mounting location and sequence of installation. Also, therefore, the invention is characterized by considerable advantages.

Vorzugsweise wird im Rahmen des erfindungsgemäßen Verfahrens zumindest ein zweites Dichtelement zumindest mit dem Behälterhauptdeckel stoffschlüssig verbunden, bevorzugt verschweißt. Wie weiter oben bereits dargelegt weist der Behälterhauptdeckel dazu eine - bevorzugt mittige bzw. zentralmittige - Dichtausnehmung auf und das zweite Dichtelement wird in die Dichtungsausnehmung - zweckmäßigerweise formschlüssig bzw. im Wesentlichen formschlüssig - eingepasst. Das zweite Dichtelement wird dann in dieser Dichtausnehmung mit dem Behälterhauptdeckel stoffschlüssig verbunden, bevorzugt verschweißt. Dabei wird nach empfohlener Ausführungsform eine Platte bzw. Dichtplatte stoffschlüssig verbunden bzw. angeschweißt. Bezüglich dieses zweiten Dichtelementes kann auch auf die weiter oben beschriebenen Ausführungsvarianten, Maßnahmen und Merkmale verwiesen werden.Preferably, in the context of the method according to the invention, at least one second sealing element is firmly bonded, preferably welded, at least to the container main lid. As already explained above, the container main lid for this purpose has a - preferably central or central center - sealing recess and the second sealing element is in the sealing recess - expediently form-fitting or substantially positive fit - fitted. The second sealing element is then firmly bonded in this sealing recess with the container main lid, preferably welded. In this case, a plate or sealing plate is materially connected or welded according to the recommended embodiment. With respect to this second sealing element can also be made to the embodiments described above, measures and features.

Gemäß einer Ausführungsvariante des erfindungsgemäßen Verfahrens wird im Zuge der Fertigung bzw. Assemblierung eines Behälters - insbesondere werksseitig - unmittelbar nach der Beladung des Behälters mit radioaktiven Komponenten und nach der Verschraubung des Behälterhauptdeckels anschließend bereits das zumindest eine erste Dichtelement stoffschlüssig mit dem Behälterhauptdeckel und mit dem Behältermantel verbunden, vorzugsweise verschweißt.According to an embodiment of the method according to the invention is in the course of manufacturing or assembly of a container - especially factory - immediately after loading the container with radioactive components and after screwing the container main lid then already at least a first sealing element cohesively with the container main cover and the container shell connected, preferably welded.

Eine andere Ausführungsvariante des erfindungsgemäßen Verfahrens zeichnet sich dadurch aus, dass das zumindest erste Dichtelement erst vor der Zwischenlagerung des Behälters - insbesondere in einem Kraftwerk - mit dem Behälterhauptdeckel und mit dem Behältermantel stoffschlüssig verbunden wird, bevorzugt verschweißt wird. Grundsätzlich kann dann auch das zumindest eine zweite Dichtelement zumindest mit dem Behälterhauptdeckel stoffschlüssig verbunden werden, bevorzugt verschweißt werden. Bei dieser Verfahrensweise wird die erste vorübergehende Dichtfunktion durch die Verschraubung des Behälterhauptdeckels unter Zwischenschaltung der zumindest ersten Dichtkomponente - beispielsweise einer Elastomerdichtung - sichergestellt und erst vor der Zwischenlagerung des Behälters werden die erfindungsgemäßen Dichtmaßnahmen verwirklicht.Another embodiment variant of the method according to the invention is characterized in that the at least first sealing element is bonded, preferably welded, to the container main lid and to the container jacket only before the intermediate storage of the container - in particular in a power plant. In principle, the at least one second sealing element can then also be materially connected at least to the container main lid, preferably welded. In this procedure, the first temporary sealing function is ensured by the screwing of the container main lid with the interposition of the at least first sealing component - for example, an elastomeric seal - and only before the intermediate storage of the container, the sealing measures of the invention are realized.

Aufgrund der erfindungsgemäß erzielten langzeitsicheren Dichtigkeit des Behälters eignet sich der Behälter sowohl als Zwischenlagerbehälter als auch als Endlagerbehälter. Eine weitere Ausführungsvariante des erfindungsgemäßen Verfahrens ist dadurch gekennzeichnet, dass das zumindest eine erste Dichtelement sowie vorzugsweise auch das zumindest eine zweite Dichtelement am Ende der Zwischenlagerung und vor der Endlagerung des Behälters stoffschlüssig verbunden bzw. verschweißt wird.Due to the inventively achieved long-term leakproofness of the container, the container is suitable both as an intermediate storage container and as a repository container. Another embodiment of the invention A method is characterized in that the at least one first sealing element and preferably also the at least one second sealing element at the end of the intermediate storage and before the disposal of the container is materially connected or welded.

Der Erfindung liegt die Erkenntnis zugrunde, das mit den erfindungsgemäßen Dichtmaßnahmen eine optimale Dichtigkeit des Behälters auch langfristig gewährleitstet werden kann. Dadurch wird in vorteilhafter Weise erreicht, dass ein nachträgliches Aufbringen eines zusätzlichen Deckels auf den Behälter zur Verstärkung der Dichtfunktion grundsätzlich nicht erforderlich ist. Vielmehr reicht hier die Abdichtung durch die erfindungsgemäßen Dichtungsmaßnahmen vollkommen aus. Insoweit zeichnet sich die Erfindung auch durch geringen Material- und Kostenaufwand aus. Weiterhin ist hervorzuheben, dass die erfindungsgemäßen Dichtmaßnahmen auf einfache, wenig aufwendige und funktionssichere Weise verwirklicht werden können. Die erfindungsgemäße Verfahrensweise zeichnet sich zudem durch Flexibilität im Hinblick auf die Montage bzw. im Hinblick auf den Montageort aus.The invention is based on the finding that with the sealing measures according to the invention an optimal tightness of the container can be long term gewährleitstet. As a result, it is achieved in an advantageous manner that a subsequent application of an additional cover to the container to enhance the sealing function is basically not required. Rather, the sealing by the sealing measures according to the invention is completely sufficient here. In that regard, the invention is also characterized by low material and cost. Furthermore, it should be emphasized that the sealing measures according to the invention can be implemented in a simple, inexpensive and functionally reliable manner. The inventive method is also characterized by flexibility with regard to the assembly or with regard to the installation site.

Nachfolgend wird die Erfindung anhand einer lediglich ein Ausführungsbeispiel darstellenden Zeichnung näher erläutert. Es zeigen in schematischer Darstellung:

Fig. 1
eine perspektivische Explosionsdarstellung eines erfindungsgemäßen Transport- und/oder Lagerbehälters,
Fig. 2
den Gegenstand gemäß Fig. 1 in vollständig montiertem Zustand,
Fig. 3
einen Schnitt durch den Gegenstand nach Fig. 2,
Fig. 4
einen vergrößerten Ausschnitt A aus der Fig. 3 und
Fig. 5
einen vergrößerten Ausschnitt B aus der Fig. 3.
The invention will be explained in more detail with reference to a drawing showing only one exemplary embodiment. In a schematic representation:
Fig. 1
an exploded perspective view of a transport and / or storage container according to the invention,
Fig. 2
the object according to Fig. 1 in fully assembled condition,
Fig. 3
a section through the object after Fig. 2 .
Fig. 4
an enlarged detail A from the Fig. 3 and
Fig. 5
an enlarged detail B from the Fig. 3 ,

Die Figuren zeigen einen erfindungsgemäßen Transport- und/oder Lagerbehälter zur Aufnahme von nicht näher dargestelltem radioaktiven Komponenten, insbesondere zur Aufnahme von radiaktiven Abfällen. Der Behälter weist einen Behälterboden 1, einen Behältermantel 2 und einen Behälterhauptdeckel 3 auf. Die nicht dargestellten radioaktiven Komponenten werden in dem Behälterinnenraum 10 aufgenommen. Zweckmäßigerweise und im Ausführungsbeispiel ist unterhalb des Behälterhauptdeckels 3 ein hier nicht näher spezifizierter innerer Deckel 13 vorgesehen. Der Behälterhauptdeckel 3 übernimmt die Hauptdichtfunktion für den erfindungsgemäßen Behälter. In den Figuren ist erkennbar, dass der Behälterhauptdeckel 3 bevorzugt und im Ausführungsbeispiel über Schraubverbindungen 6 mit dem Behältermantel 2 verbunden ist. Dazu ist eine Mehrzahl von Schrauben 15 über den Umfang des Behälterhauptdeckels 3 bzw. über den Umfang des Behältermantels 2 angeordnet. Die Schrauben 15 können von oben in Schrauböffnungen im Behälterhauptdeckel 3 eingeführt werden und in ein entsprechendes Gewinde im Behältermantel 2 eingeschraubt werden. Die Verbindung des Behälterhauptdeckels 3 über Schraubverbindungen 6 mit dem Behältermantel 2 stellt eine erste Dichtfunktion für den erfindungsgemäßen Behälter sicher.The figures show a transport and / or storage container according to the invention for receiving unspecified radioactive components, in particular for receiving radioactive waste. The container has a container bottom 1, a container casing 2 and a container main lid 3. The radioactive components, not shown, are received in the container interior 10. Appropriately, and in the embodiment, an unspecified here inner cover 13 is provided below the container main cover 3. The container main cover 3 assumes the main sealing function for the container according to the invention. It can be seen in the figures that the container main lid 3 is preferably connected to the container jacket 2 via screw connections 6 in the exemplary embodiment. For this purpose, a plurality of screws 15 over the circumference of the container main cover 3 and over the circumference of the container shell 2 is arranged. The screws 15 can be inserted from above into screw openings in the container main lid 3 and screwed into a corresponding thread in the container casing 2. The connection of the container main cover 3 via screw 6 with the container shell 2 ensures a first sealing function for the container according to the invention.

Empfohlenermaßen und im Ausführungsbeispiel ist zwischen dem Behälterhauptdeckel 3 und dem Behältermantel 2 eine erste Dichtkomponente 4 und eine zweite Dichtkomponente 14 angeordnet. Beide Dichtkomponenten 4, 14 sind als separate Dichtungen bzw. Dichtkomponenten 4, 14 stoffschlussverbindungsfrei zwischen Behälterhauptdeckel 3 und Behältermantel 2 vorgesehen. Gemäß besonders bevorzugter Ausführungsform und im Ausführungsbeispiel sind die beiden Dichtkomponenten 4, 14 als Elastomerdichtungen ausgebildet. Dabei laufen die Dichtkomponenten 4, 14 zweckmäßigerweise über den Umfang des Behälters um. Es liegt im Rahmen der Erfindung, dass die Dichtkomponenten 4, 14 zwischen Behälterhauptdeckel 3 und Behältermantel 2 unter Vorspannung gesetzt sind. Beide Dichtkomponenten 4, 14 sind bevorzugt und im Ausführungsbeispiel vollständig, d. h. oben, unten und an den Seiten von Komponenten des Behälterhauptdeckels 3 und/oder von Komponenten des Behältermantels 2 umgeben. Die erste Dichtkomponente 4 ist empfohlenermaßen und im Ausführungsbeispiel zwischen vertikalen Komponenten bzw. zwischen parallel zur Längsmittelachse L des Behälters angeordneten Komponenten des Behälterhauptdeckels 3 und des Behältermantels 2 vorgesehen. Dagegen ist die zweite Dichtkomponente 14 bevorzugt und im Ausführungsbeispiel zwischen horizontalen Komponenten bzw. zwischen quer zur Längsmittelachse L des Behälters angeordneten Komponenten des Behälterhauptdeckels 3 und des Behältermantels 2 vorgesehen.Empfohlenermaßen and in the embodiment, a first sealing component 4 and a second sealing component 14 is disposed between the container main cover 3 and the container shell 2. Both sealing components 4, 14 are provided as separate seals or sealing components 4, 14 cohesive connection free between the container main cover 3 and container shell 2. According to a particularly preferred embodiment and in the embodiment the two sealing components 4, 14 are formed as elastomeric seals. The sealing components 4, 14 expediently circulate over the circumference of the container. It is within the scope of the invention that the sealing components 4, 14 are set between the container main cover 3 and container shell 2 under bias. Both sealing components 4, 14 are preferred and in the exemplary embodiment completely, ie surrounded at the top, bottom and sides of components of the container main lid 3 and / or components of the container jacket 2. The first sealing component 4 is recommended and, in the exemplary embodiment, provided between vertical components or between components of the container main lid 3 and the container jacket 2 arranged parallel to the longitudinal central axis L of the container. In contrast, the second sealing component 14 is preferred and in the embodiment between horizontal components or between transverse to the longitudinal center axis L of the container arranged components of the container main cover 3 and the container shell 2 is provided.

Erfindungsgemäß ist zwischen dem Behälterhauptdeckel 3 und dem Behältermantel 2 ein erstes stoffschlüssig mit dem Behälterhauptdeckel 3 einerseits und stoffschlüssig mit dem Behältermantel 2 andererseits verbundenes Dichtelement 5 vorhanden. Dieses erste Dichtelement 5 ist empfohlenermaßen und im Ausführungsbeispiel als metallisches Dichtelement 5 ausgebildet und dieses Dichtelement 5 ist mit dem Behälterhauptdeckel 3 einerseits und mit dem Behältermantel 2 andererseits verschweißt. Dabei ist das erste Dichtelement 5 vorzugsweise und im Ausführungsbeispiel als ringförmiges bzw. kreisringförmiges Dichtelement 5 ausgebildet. Empfohlenermaßen und im Ausführungsbeispiel handelt es sich dabei um einen durchgehenden und vollständigen bzw. unterbrechungsfreien Ring. Zweckmäßigerweise und im Ausführungsbeispiel wird das erste Dichtelement 5 in eine zumindest zunächst nach oben hin offene kreisringförmige Dichtnut 7 eingelegt. Das erste Dichtelement 5 wird in dieser kreisringförmigen Dichtnut 7 mit dem Behälterhauptdeckel 3 verschweißt und mit dem Behältermantel 2 verschweißt. Dabei erfolgt die Verschweißung zweckmäßigerweise und im Ausführungsbeispiel auch an den seitlichen Rändern der Dichtnut 7, so dass sich kreisringförmige Schweißnähte 17 ergeben, die bevorzugt bezüglich der Längsmittelachse L des Behälters konzentrisch angeordnet sind. Zweckmäßigerweise und im Ausführungsbeispiel ist die Dichtnut 7 teilweise im Behälterhauptdeckel 3 bzw. in der Oberseite 8 des Behälterhauptdeckels 3 und teilweise im Behältermantel 2 bzw. im oberseitigen Rand des Behältermantels 2 vorgesehen. Dabei ist bevorzugt und im Ausführungsbeispiel die Dichtnut 7 größtenteils im Behälterhauptdeckel 3 vorgesehen bzw. eingearbeitet. Im Ausführungsbeispiel mag die Höhe h der Dichtnut 7 etwa 15 mm betragen. Vorzugsweise und im Ausführungsbeispiel fluchtet die Oberseite des ersten Dichtelementes 5 mit der Oberseite 8 des Behälterhauptdeckels 3. Es liegt im übrigen im Rahmen der Erfindung, dass vor Aufbringen des ersten Dichtelementes 5 in der Dichtnut 7 die Schrauben 15 für die Schraubverbindungen 6 über die Dichtnut 7 eingebracht werden können. Folglich ist im Ausführungsbeispiel die Dichtnut 7 unmittelbar oberhalb der Schrauben 15 angeordnet.According to the invention, a first materially connected to the container main cover 3 on the one hand and cohesively with the container shell 2 on the other hand connected sealing element 5 is present between the container main cover 3 and the container shell 2. This first sealing element 5 is recommended and in the embodiment designed as a metallic sealing element 5 and this sealing element 5 is welded to the container main cover 3 on the one hand and with the container shell 2 on the other. In this case, the first sealing element 5 is preferably formed and in the embodiment as an annular or annular sealing element 5. Empfohlenermaßen and in the embodiment, this is a continuous and complete or uninterrupted ring. Appropriately, and in the embodiment, the first sealing element 5 is inserted into an at least initially upwardly open annular sealing groove 7. The first sealing element 5 is in this annular sealing groove 7 welded to the container main cover 3 and welded to the container casing 2. In this case, the welding expediently and in the embodiment also at the lateral edges of the sealing groove 7, so that annular welds 17 result, which are preferably arranged concentrically with respect to the longitudinal center axis L of the container. Appropriately, and in the embodiment, the sealing groove 7 is partially provided in the container main cover 3 and in the top 8 of the container main cover 3 and partially in the container shell 2 and in the upper edge of the container shell 2. It is preferred and provided in the embodiment, the sealing groove 7 largely in the container main cover 3 or incorporated. In the embodiment, the height h of the sealing groove 7 may be about 15 mm. It is also within the scope of the invention that prior to application of the first sealing element 5 in the sealing groove 7, the screws 15 for the screw 6 via the sealing groove. 7 can be introduced. Consequently, in the exemplary embodiment, the sealing groove 7 is arranged directly above the screws 15.

Empfohlenermaßen und im Ausführungsbeispiel weist der Behälterhauptdeckel Durchlasskanäle 9 zur Manipulation des Behälterinnenraumes 10 auf, insbesondere zur Trocknung, Entgasung oder dergleichen des Behälterinnenraumes 10. Vorzugsweise und im Ausführungsbeispiel sind die Durchlasskanäle 9 mit einem zweiten Dichtelement 11 abgedeckt. Dieses zweite Dichtelement 11 ist bevorzugt und im Ausführungsbeispiel mit dem Behälterhauptdeckel 3 stoffschlüssig verbunden bzw. verschweißt. Es liegt im Rahmen der Erfindung, dass wie im Ausführungsbeispiel zwischen dem zweiten Dichtelement 11 und den Durchlasskanälen 9 eine Deckelkomponente 16 zwischengeschaltet ist, die über Schraubverbindungen 6 am Behälterhauptdeckel 3 fixiert ist.Empfohlenermaßen and in the embodiment, the container main cover passageways 9 for manipulating the container interior 10, in particular for drying, degassing or the like of the container interior 10. Preferably and in the embodiment, the passage channels 9 are covered with a second sealing element 11. This second sealing element 11 is preferably and in the embodiment with the container main lid 3 cohesively connected or welded. It is within the scope of the invention that, as in the embodiment between the second sealing element 11 and the passage channels 9, a lid component 16 is interposed, which is fixed via screw 6 on the container main cover 3.

Vorzugsweise und im Ausführungsbeispiel ist das zweite Dichtelement 11 in Form einer kreisförmigen metallischen Platte ausgebildet. Diese kreisförmige Platte wird in eine im Behälterhauptdeckel 3 angeordnete zentralmittige Dichtausnehmung 12 eingesetzt und zwar formschlüssig eingepasst. Dann kann das zweite Dichtelement 11 mit dem Behälterhauptdeckel 3 bzw. mit den Rändern der kreisförmigen Dichtausnehmung 12 stoffschlüssig verbunden werden bzw. verschweißt werden. Dabei ergibt sich bevorzugt und im Ausführungsbeispiel eine kreisförmige Schweißnaht 18, die ebenfalls konzentrisch bezüglich der Längsmittelachse L des Behälters orientiert ist. Insbesondere den Figuren 3 und 5 ist entnehmbar, dass bevorzugt und im Ausführungsbeispiel das zweite Dichtelement 11 im montierten Zustand mit der Oberseite 8 des Behälterhauptdeckels 3 und mit der Oberseite des ersten Dichtelementes 5 fluchtet.Preferably, and in the embodiment, the second sealing element 11 is formed in the form of a circular metallic plate. This circular plate is inserted into a centrally located in the container main cover 3 central sealing recess 12 and indeed fitted in a form-fitting manner. Then, the second sealing element 11 can be materially connected to the container main cover 3 and with the edges of the circular sealing recess 12 or welded. This results in preferred and exemplary embodiment, a circular weld 18, which is also oriented concentrically with respect to the longitudinal center axis L of the container. In particular the Figures 3 and 5 can be removed that preferred and in the embodiment, the second sealing element 11 in the assembled state with the upper side 8 of the container main cover 3 and with the top of the first sealing element 5 is aligned.

Claims (14)

  1. A transport and/or storage container for accommodating radioactive components, particularly for accommodating radioactive wastes, wherein the container has a container base (1), a container jacket (2) and a container main lid (3), wherein at least one first sealing component (4) is arranged between container main lid (3) and container jacket (2), wherein at least one sealing element (5), connected in a materially-bonded manner to the container main lid (3) on one side and connected in a materially-bonded manner to the container jacket (2) on the other side, is provided between the container main lid (3) and the container jacket (2) characterised in that the container main lid (3) is connected to the container jacket (2) by means of screw connections (6), in that the at least one sealing element (5) is inserted in a sealing groove (7), which is open at the top at least in certain areas, and in that the sealing element (5) is connected to the container main lid (3) in a materially-bonded manner on one side and to the container jacket (2) in a materially-bonded manner on the other side in this sealing groove (7) and in that the sealing groove (7) is arranged directly above the screws (15) for the screw fastening of the container main lid (3) on the container jacket (2).
  2. The transport and/or storage container according to Claim 1, characterised in that the first sealing component (4) is arranged as a separate sealing component (4) between container main lid (3) and container jacket (2) and is preferably provided between the container main lid (3) and the container jacket (2) in a manner free from a materially-bonded connection.
  3. The transport and/or storage container according to one of Claims 1 or 2, characterised in that the first sealing component (4) is constructed as an elastomer seal and/or as a metallic seal and is expediently arranged under prestress between container main lid (3) and container jacket (2).
  4. The transport and/or storage container according to one of Claims 1 to 3, characterised in that the at least one sealing element (5) is constructed as a metallic sealing element (5) and in that the metallic sealing element is welded to the container main lid (3) on one side and to the container jacket (2) on the other side.
  5. The transport and/or storage container according to one of Claims 1 to 4, characterised in that the at least one sealing element (5) is constructed as an annular, preferably as a circular sealing element (5).
  6. The transport and/or storage container according to one of Claims 1 to 5, characterised in that the sealing groove (7) is provided or incorporated to some extent in the container main lid (3) or in the upper side (8) of the container main lid (3) and to some extent in the container jacket (2) or in the upper side/in the upper-side edge of the container jacket (2).
  7. The transport and/or storage container according to one of Claims 1 to 6, characterised in that the container main lid (3) has at least one outlet channel (9) for manipulating the container interior (10), particularly for the drying, degassing or the like of the container interior (10) and in that the at least one outlet channel (9) is covered or closed using at least one second sealing element (11), which second sealing element (11) is connected in a materially-bonded manner at least to the container main lid (3) - preferably exclusively to the container main lid (3).
  8. The transport and/or storage container according to Claim 7, characterised in that the container main lid (3) has a - preferably central - sealing recess (12) and in that the second sealing element (11) is fitted into the sealing recess (12) - expediently in a positive-fitting or essentially positive-fitting manner - and in that the second sealing element (11) is connected in a materially-bonded manner to or in the sealing recess (12).
  9. The transport and/or storage container according to one of Claims 7 or 8, characterised in that the second sealing element (11) is a metallic sealing element (11) and in that the second sealing element (11) is welded at least to the container main lid (3) - preferably exclusively to the container main lid (3).
  10. A method for closing a transport and/or storage container - particularly according to one of Claims 1 to 9 - with container base (1), container jacket (2) and container main lid (3), wherein the container main lid (3) is screwed to the container jacket (2) by means of screw connections (6) with the interposition of at least one first - preferably separate - sealing component (4), characterised in that after that, the container main lid (3) is connected in a materially-bonded manner to the container jacket (2) by means of at least one (first) sealing element (5), characterised in that the at least one sealing element (5) is inserted in a sealing groove (7) which is open at the top at least in certain areas and in that the sealing element (5) is connected to the container main lid (3) in a materially-bonded manner on one side and to the container jacket (2) in a materially-bonded manner on the other side in this sealing groove (7) and in that the sealing groove (7) is arranged directly above the screws (15) for the screw fastening of the container main lid (3) on the container jacket (2).
  11. The method according to Claim 10, characterised in that at least one second sealing element (11) is preferably connected in a materially-bonded manner, preferably welded, at least to the container main lid (3) - preferably exclusively to the container main lid (3).
  12. The method according to one of Claims 10 or 11, characterised in that during the manufacturing or assembly of a container, after the loading of the container with radioactive components and after the fastening of the container main lid (3), the container main lid (3) is connected in a materially-bonded manner, preferably welded, to the container jacket (2) by means of the at least one sealing element (5).
  13. The method according to one of Claims 10 or 11, characterised in that the at least one sealing element (5) is only connected in a materially-bonded manner, preferably welded, to the container main lid (3) and to the container jacket (2) before the intermediate storage of the container - particularly in a power station.
  14. The method according to one of Claims 10 or 11, characterised in that the at least one sealing element (5) is connected in a materially-bonded manner, preferably welded, to the container main lid (3) and to the container jacket (2) at the end of the intermediate storage or after the intermediate storage and before the final storage of the container.
EP13175971.4A 2013-07-10 2013-07-10 Transport and/or storage container and method for closing a transport and/or storage container Active EP2824671B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP13175971.4A EP2824671B1 (en) 2013-07-10 2013-07-10 Transport and/or storage container and method for closing a transport and/or storage container
ES13175971.4T ES2565396T3 (en) 2013-07-10 2013-07-10 Transport and / or storage container and closing procedure of a transport and / or storage container

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13175971.4A EP2824671B1 (en) 2013-07-10 2013-07-10 Transport and/or storage container and method for closing a transport and/or storage container

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EP2824671A1 EP2824671A1 (en) 2015-01-14
EP2824671B1 true EP2824671B1 (en) 2016-02-03

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Publication number Priority date Publication date Assignee Title
EP3582231B1 (en) * 2018-06-15 2020-08-26 GNS Gesellschaft für Nuklear-Service mbH Container for radioactive waste materials and container assembly
FR3116645B1 (en) * 2020-11-23 2022-11-25 Jce Biotechnology Waterproof device giving access to an enclosure, as well as corresponding system for waterproof connection between two enclosures

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Publication number Priority date Publication date Assignee Title
FR2845196B1 (en) * 2002-10-01 2004-12-03 Commissariat Energie Atomique CONTAINER FOR RADIOACTIVE MATERIALS AND METHOD OF CLOSING SUCH A CONTAINER
JP2004340578A (en) * 2003-05-13 2004-12-02 Hitachi Zosen Corp Method for sealing cask
US8437444B2 (en) * 2005-01-13 2013-05-07 Nac International, Inc. Apparatus and methods for achieving redundant confinement sealing of a spent nuclear fuel canister
CN201698778U (en) * 2010-01-26 2011-01-05 西北核技术研究所 High integrated nuclear waste disposing device

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