EP2733704B1 - Final storage container and method for the production of same - Google Patents

Final storage container and method for the production of same Download PDF

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Publication number
EP2733704B1
EP2733704B1 EP13000348.6A EP13000348A EP2733704B1 EP 2733704 B1 EP2733704 B1 EP 2733704B1 EP 13000348 A EP13000348 A EP 13000348A EP 2733704 B1 EP2733704 B1 EP 2733704B1
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EP
European Patent Office
Prior art keywords
walls
side walls
end walls
projections
grooves
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
EP13000348.6A
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German (de)
French (fr)
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EP2733704A3 (en
EP2733704A2 (en
Inventor
Hartmut Grunau
Hans-Jürgen Blenski
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
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Priority to EP17000480.8A priority Critical patent/EP3203482B1/en
Publication of EP2733704A2 publication Critical patent/EP2733704A2/en
Publication of EP2733704A3 publication Critical patent/EP2733704A3/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
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • 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
    • 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
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • 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
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/34—Disposal of solid waste

Definitions

  • the invention relates to a repository container according to the preamble of claim 1 and to a method for producing such a repository container according to the preamble of claim 4.
  • Repository containers are used in particular for receiving objects or residues that require long-term disposal without coming into contact with the environment. For example, take such repository containers lumpy or free-flowing objects that are radioactively, chemically and / or biologically contaminated. The residues or objects are permanently hermetically sealed from the repository container by the environment.
  • the repository containers are welded together from walls, floors and ceilings. Due to the high weights that a repository container in particular for shielding against radioactive radiation must have, it is difficult to bring the walls, ceilings and floors for welding in the correct relative position to each other.
  • the invention is based on the object to provide a repository container and a method for producing the same, which ensure easy production.
  • a disposal container for solving the problem has the features of claim 1.
  • this repository container have at least some walls, the bottom and / or the ceiling grooves on the one hand and projections on the other.
  • the grooves and projections correspond to each other such that at least some walls, the floor and / or the ceiling are plugged together.
  • the welding to permanently connect the walls, the floor and the ceiling of the repository container can be made easier and above all more precise.
  • the engaging in the grooves corresponding projections form a labyrinth, which at least reduces the escape of radiation, in particular radioactive radiation from the repository container.
  • the grooves and projections can be distributed arbitrarily on the walls, the floor and / or the ceiling.
  • the walls, the floor or the ceiling are composed, have their edges or end faces or edge strips grooves or depressions. Consequently, the walls, the floor and the ceiling projections or grooves on their faces or edge strips.
  • the grooves and projections preferably have the same cross sections.
  • the cross sections can be rectangular, square, trapezoidal, triangular or half round.
  • other cross-sections of the grooves and depressions are conceivable, for example, those of composite geometric base profiles.
  • a method for producing the repository container has the measures of claim 4. According to this method, it is provided to bring before welding at least some walls, the floor and / or the ceiling by mating in their intended positions for welding and weld together only after this mating the walls, the floor and the ceiling of the repository container.
  • the mating leads to a welding preparation, the significantly simplifies welding, because by joining together the individual parts to be welded together, namely walls, floor and ceiling, not only be brought into the relative position provided for welding ends, but also can no longer slip against each other during welding.
  • the mating of the walls, the floor and the ceiling of the repository container is preferably carried out by grooves and / or projections which form so-called tongue and groove joints.
  • the individual walls, the floor and the ceiling of the repository container can be brought exactly in the intended position in which they are to be welded.
  • the tongue and groove joints hold the walls, the floor and the ceiling of the repository container in the correct position during welding without being able to move. Normally, therefore, after the mating of the walls, the floor and the ceiling, no further fixative need to be used more. This considerably simplifies welding.
  • the repository container 10 shown in the figures serves to receive at least one contaminated object. Preferably find in the interior 11 of the repository container 10 more contaminated objects recording.
  • the items may be lumpy or pourable items.
  • the repository container 10 is mainly used for long-term safe storage of contaminated objects, so-called residues.
  • the articles or residues may be radioactively, chemically and / or biologically contaminated.
  • the repository container 10 shown is cuboid.
  • the invention is also suitable for repository containers with a different shape.
  • the cuboid repository container 10 shown here has a flat bottom 12 with a rectangular base, two parallel side walls 13, two transverse thereto, parallel end walls 14 and a ceiling 15.
  • the ceiling 15 is parallel to the floor 12 and has the same footprint.
  • the side walls 13 and the end walls 14 are perpendicular to the horizontal floor 12 and the ceiling 15th
  • the disposal container 10 of the embodiment shown has at all eight corners on corner fittings 16. This is preferably this corner fittings 16, as found in ISO freight containers use.
  • the ceiling 15 of the repository container 10 is provided with a large-area opening 17.
  • the opening 17 extends over a majority of the surface of the ceiling 15.
  • the opening 17 is rectangular in shape, in such a way that their edges with equal, small distances to the outer surfaces of the end walls 14 and the side walls 13 extend.
  • the corners of the opening 17 are chamfered, so that they leave the corner fittings 16.
  • the opening 17 can be filled into the interior 11 of the repository container.
  • the opening 17 is closable in the repository container 10 shown here by two covers, namely a lower, inner primary cover 18 and a secondary cover 19 covering this from the outside.
  • the secondary cover 19 is slightly larger than the primary cover 18, so that it extends around over the edge of the Primary cover 18 protrudes.
  • Both the primary cover 18 and the secondary cover 19 are separately bolted to the ceiling 15, by a plurality of indicated in the figures screws 20.
  • the lid 18 and 19 may be permanently connected to the ceiling 15 but also in other ways, for example by riveting, welding and / or gluing.
  • the opening 17 is surrounded by a stepped edge.
  • a deeper first stage is used for flush receiving the primary cover 18, so that can be placed on the overlying, larger second stage of the secondary lid 19.
  • the second stage is so deep that the secondary lid 19 is flush with the top of the ceiling 15 ( Fig. 4 ).
  • a circumferential support surface for the lower primary cover 18 on the lower level of the edge of the opening 17 is provided in the embodiment shown with two adjacent, circumferential seals 21.
  • the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 are formed relatively thick.
  • the thickness of the walls 13, 14, the floor 12 and the ceiling 15 are sized to prevent leakage of contaminated articles from the interior 11.
  • the walls 13, 14, the floor 12 and the ceiling 15 are sandwiched, namely, consist of an outer steel wall, a middle concrete layer, which is preferably reinforced, and an inner steel wall.
  • the interior 11 of the repository container 10 can be heated.
  • the inner sides of the side walls 13, the end walls 14 and the bottom 12 heating elements are assigned.
  • the ceiling 15 may be provided with heating elements.
  • the heating elements are formed in the non-inventive example shown as an electrically operated heating panels 22.
  • the heating panels 22 are associated with the inner sides of the side walls 13, the end walls 14 and the bottom 12 and optionally attached here.
  • a plurality of adjacent heating panels 22 optionally extend over all or a major portion of the inner surface of the floor 12.
  • the side walls 13 and the end walls 14 are only partially, namely about a lower part extending over half to two thirds of the height of the side walls 13th and the end walls 14 extends, provided with adjacent Bankpaneelen 22 on its inside.
  • the heating panels 22 are protected for mechanical protection against damage caused by the accommodated in the interior 11 of the repository container 10 items. Serve for this purpose from the inside of the repository container 10 forth in front of the Schupaneelen 22 arranged cover plates 23 which are formed so that they protect the underlying heating panels 22 mechanically against damage from the objects in the interior 11.
  • the heating panels 22 protecting cover plates 23 are arranged without gaps in front of the Kirpaneelen 22 of the side walls 13 and the end walls 14 and the Schupaneelen 22 on the floor 12.
  • the cover plates 23 extend over the heating panels 22 across the entire height of the side walls 13 and the end walls 14.
  • the cover plates 23 are fixed to the inner surfaces of the side walls 13 and the end walls 14. As a result, the sections of the cover plates 23 extending above the heating panels 22 abut against the inner sides of the side walls 13 and the end walls 14, respectively (FIG. Fig. 4 ).
  • the cover plates 23 are formed of a good thermal conductivity properties having material, such as steel. To improve stability, the cover plates 23 may have profiled cross sections. It is also conceivable that between adjacent Bankpaneelen 22 spaces and the cover plates 23 are profiled so that they fill these spaces and supported in the interstices on the inner sides of the side walls 13 and the end walls 14 and optionally the bottom 12 and attached thereto are.
  • Power supply lines of the heating panels 22, in particular power cables in electrically operated heating panels 22 are led out of the heating panels 22 in the interior 11 of the repository 10 by a closable by a lid 24 opening from the repository 10 to a power supply and control.
  • a lid 24 opening from the repository 10 to a power supply and control.
  • Optionally located under the cover 24 sockets for the leading inside the repository container 10 to the heating panels 22 power lines. At these sockets 24 plugs of the external supply lines are connected with the cover removed.
  • a control is provided which allows the heating panels 22 to be operated individually inside the repository container 10. It can be operated at the same time all heating panels 22 at the same time or selectively only a part of the heating panels 22nd
  • the primary cover 18, with which the opening 17 in the lid 15 of the repository container 10 can be closed, has at least one opening, in the non-inventive example shown two openings 25, 26.
  • the opening 26 is preferably such a suction for humidification Air that has been warmed up by the heating panels 22 in the interior 11 of the repository container 10.
  • the other opening 25 serves to supply dry, cooler fresh air or room air into the interior of the repository container 10.
  • the openings 25, 26 are provided with connections for hoses for the supply and removal of air. If necessary, only one opening is sufficient if a single tube with several chambers is used to supply dry air and remove moist air.
  • the openings 25, 26 are closed after completion of the drying by the secondary cover 19.
  • the disposal container 10 shown in the figures is designed so that at least some walls, preferably all walls, namely side walls 13, end walls 14, the bottom 12 and the ceiling 15, are plugged together.
  • the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 are mutually associated with each other and correspondingly interlocking projections 27 assigned.
  • the projections 27 and the grooves 28 have an approximately rectangular cross-section in the embodiment shown.
  • the rectangular projections 27 and grooves 28 correspond in such a way that they intermesh with one another in a form-fitting manner without play (FIG. Fig. 4 ).
  • the upper and lower horizontal end faces of the side walls 13 and the end walls 14 are each provided with a continuous elongated projection 27.
  • Corresponding continuous grooves 28 are provided in longitudinal and transverse edge regions of both the floor 12 and the ceiling 15 ( Fig. 4 ).
  • the bottom 12 and the ceiling 15 are positively connected to the side walls 13 and the end walls 14 plugged together ( Fig. 4 ).
  • the vertical end faces of the end walls 14 are provided with projections 27 passing from top to bottom, which engage in corresponding grooves 28 in vertical edge regions of the side walls 13 ( Fig. 5 ).
  • the side walls 13 and the end walls 14 can be plugged together in a form-fitting manner, wherein the narrower end walls 14 come to rest between the overlapping side walls 13 (FIG. Fig. 5 ).
  • the projections 27 and grooves 28 in the bottom 12, the ceiling 15 and in or on the side walls 13 and end walls 14 are arranged so that after the joining of the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 to the final storage container 10th the projections 27 and the grooves 28 interlock positively and without play.
  • take the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 their intended relative positions to each other, in which the mated parts of the repository container 10 can be welded together.
  • the parts of the repository container 10 are fixed relative to one another and thus held together during welding.
  • the process according to the invention for producing the repository container 10 proceeds as follows: Before welding, the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 of the repository container 10 are put together so that the projections 27 and grooves 28 engage with each other and the side walls 13, the end walls 14, the ceiling 15 and the bottom 12th hold at the intended positions. First, the side walls 13 or the end walls 14 are placed on the bottom 12 and thereby fixed by the projections 27 and grooves 28 in the intended relative positions to each other. Subsequently, the two remaining walls are placed on the floor 12. As a result, these walls are positioned and held by the projections 27 and grooves 28 relative to the bottom 12. In addition, the vertical end faces of the end walls 14 are plugged together by the projections 27 and the grooves 28 with the side walls 13.
  • the ceiling 15 is placed on the side walls 13 and end walls 14, wherein also by the projections 27 and the grooves 28 is a positioning.
  • the invention is also suitable for repository containers which have a different shape than the cuboid repository container 10 shown. It is also conceivable to provide the cuboid repository container 10 shown here instead of the rectangular primary cover 18 and secondary cover 19 with a round primary cover and secondary cover.
  • the invention relates to repository containers which have no heating panels 22 in the interior, but in which the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 by particular projections 27 and grooves 28 are plugged together.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing Of Solid Wastes (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Description

Die Erfindung betrifft einen Endlagerbehälter gemäß dem Oberbegriff des Anspruchs 1 sowie ein Verfahren zur Herstellung eines solchen Endlagerbehälters gemäß dem Oberbegriff des Anspruchs 4.The invention relates to a repository container according to the preamble of claim 1 and to a method for producing such a repository container according to the preamble of claim 4.

Endlagerbehälter dienen insbesondere zur Aufnahme von Gegenständen bzw. Reststoffen, die eine langfristige Endlagerung erfordern, ohne mit der Umwelt in Kontakt zu kommen. Beispielsweise nehmen solche Endlagerbehälter stückige oder rieselfähige Gegenstände auf, die radioaktiv, chemisch und/oder biologisch kontaminiert sind. Die Reststoffe bzw. Gegenstände werden vom Endlagerbehälter dauerhaft hermetisch von der Umwelt abgeschlossen.Repository containers are used in particular for receiving objects or residues that require long-term disposal without coming into contact with the environment. For example, take such repository containers lumpy or free-flowing objects that are radioactively, chemically and / or biologically contaminated. The residues or objects are permanently hermetically sealed from the repository container by the environment.

Die Endlagerbehälter werden aus Wänden, Böden und Decken zusammengeschweißt. Aufgrund der hohen Gewichte, die ein Endlagerbehälter insbesondere zur Abschirmung gegen radioaktive Strahlung, aufweisen muss, ist es schwierig, die Wände, Decken und Böden zum Schweißen in die richtige Relativposition zueinander zu bringen.The repository containers are welded together from walls, floors and ceilings. Due to the high weights that a repository container in particular for shielding against radioactive radiation must have, it is difficult to bring the walls, ceilings and floors for welding in the correct relative position to each other.

Aus der US 2005/0286674 A1 ist ein Endlagerbehälter bekannt, dessen Einzelteile entweder durch Zusammenstecken und Zusammenbinden oder durch Schweißen verbunden sind. Auch hier müssen die zu verschweißenden Bauteile des Endlagerbehälters zum Schweißen in die richtige Relativposition zueinander gebracht werden.From the US 2005/0286674 A1 is known a repository container, the items are connected either by plugging and tying or by welding. Again, the components to be welded of the repository container must be brought to the welding in the correct relative position to each other.

Der Erfindung liegt nun die Aufgabe zugrunde, einen Endlagerbehälter und ein Verfahren zur Herstellung desselben zu schaffen, die eine einfache Herstellung gewährleisten.The invention is based on the object to provide a repository container and a method for producing the same, which ensure easy production.

Ein Endlagerbehälter zur Lösung der Aufgabe weist die Merkmale des Anspruchs 1 auf. Bei diesem Endlagerbehälter weisen mindestens einige Wände, der Boden und/oder die Decke Nuten einerseits und Vorsprünge andererseits auf. Die Nuten und Vorsprünge korrespondieren derart miteinander, dass zumindest einige Wände, der Boden und/oder die Decke zusammensteckbar sind. Es greifen Nuten in einigen Wänden in die korrespondierenden Vorsprünge anderer Wände, den Boden bzw. die Decke ein. Dadurch erfolgt eine Ausrichtung und Positionierung der Wände, des Bodens und/oder der Decke zueinander. Diese Positionierung und Ausrichtung dient der Schweißvorbereitung, indem nach dem Zusammenfügen der Nuten und Vorsprünge die Wände, der Boden und die Decke in die richtige Relativposition zum Schweißen gebracht sind und diese beim Schweißen beibehalten. Das Schweißen zum dauerhaften Verbinden der Wände, des Bodens und der Decke des Endlagerbehälters kann dadurch einfacher und vor allem präziser erfolgen. Außerdem bilden die in die Nuten eingreifenden korrespondierenden Vorsprünge ein Labyrinth, das den Austritt von Strahlung, insbesondere radioaktiver Strahlung, aus dem Endlagerbehälter mindestens reduziert.A disposal container for solving the problem has the features of claim 1. In this repository container have at least some walls, the bottom and / or the ceiling grooves on the one hand and projections on the other. The grooves and projections correspond to each other such that at least some walls, the floor and / or the ceiling are plugged together. There are grooves in some walls in the corresponding projections of other walls, the floor or the ceiling. As a result, alignment and positioning of the walls, the floor and / or the ceiling to each other. This positioning and alignment serves to prepare the weld by placing the walls, the floor and the ceiling in the correct relative position for welding after the grooves and projections have been joined, and maintaining these during welding. The welding to permanently connect the walls, the floor and the ceiling of the repository container can be made easier and above all more precise. In addition, the engaging in the grooves corresponding projections form a labyrinth, which at least reduces the escape of radiation, in particular radioactive radiation from the repository container.

Die Nuten und Vorsprünge können beliebig auf die Wandungen, den Boden und/oder die Decke verteilt sein. Je nachdem, wie die Wandungen, der Boden bzw. die Decke zusammengesetzt sind, weisen ihre Kanten bzw. Stirnflächen oder Randstreifen Nuten oder Vertiefungen auf. Demzufolge können die Wandungen, der Boden und die Decke Vorsprünge oder Nuten an ihren Stirnflächen oder auch Randstreifen aufweisen.The grooves and projections can be distributed arbitrarily on the walls, the floor and / or the ceiling. Depending on how the walls, the floor or the ceiling are composed, have their edges or end faces or edge strips grooves or depressions. Consequently, the walls, the floor and the ceiling projections or grooves on their faces or edge strips.

Die Nuten und Vorsprünge weisen bevorzugt gleiche Querschnitte auf. Die Querschnitte können rechteckig, quadratisch, trapezförmig, dreieckig oder auch halbrund sein. Darüber hinaus sind noch weitere Querschnitte der Nuten und Vertiefungen denkbar, beispielsweise solche aus zusammengesetzten geometrischen Grundprofilen.The grooves and projections preferably have the same cross sections. The cross sections can be rectangular, square, trapezoidal, triangular or half round. In addition, other cross-sections of the grooves and depressions are conceivable, for example, those of composite geometric base profiles.

Ein Verfahren zur Herstellung des Endlagerbehälters weist die Maßnahmen des Anspruchs 4 auf. Gemäß diesem Verfahren ist es vorgesehen, vor dem Zusammenschweißen mindestens einige Wände, den Boden und/oder die Decke durch Zusammenstecken in ihre zum Schweißen vorgesehenen Positionen zu bringen und erst nach diesem Zusammenstecken die Wände, den Boden und die Decke des Endlagerbehälters zusammenzuschweißen. Das Zusammenstecken führt zu einer Schweißvorbereitung, die das Schweißen wesentlich vereinfacht, weil durch das Zusammenstecken die einzelnen zusammenzuschweißen Teile, nämlich Wände, Boden und Decke, nicht nur in die zum Schweißenden vorgesehene Relativposition zueinander gebracht werden, sondern auch beim Verschweißen nicht mehr gegeneinander verrutschen können.A method for producing the repository container has the measures of claim 4. According to this method, it is provided to bring before welding at least some walls, the floor and / or the ceiling by mating in their intended positions for welding and weld together only after this mating the walls, the floor and the ceiling of the repository container. The mating leads to a welding preparation, the significantly simplifies welding, because by joining together the individual parts to be welded together, namely walls, floor and ceiling, not only be brought into the relative position provided for welding ends, but also can no longer slip against each other during welding.

Das Zusammenstecken der Wandungen, des Bodens und der Decke des Endlagerbehälters erfolgt bevorzugt durch Nuten und/oder Vorsprünge, die sogenannte Nut-Federverbindungen bilden. Dadurch lassen sich die einzelnen Wandungen, der Boden und die Decke des Endlagerbehälters exakt in die vorgesehene Position bringen, in der sie verschweißt werden sollen. Vor allem aber halten die Nut-Federverbindungen die Wände, den Boden und die Decke des Endlagerbehälters während des Schweißens positionsgerecht zusammen, ohne dass sie sich verschieben können. Im Normalfall brauchen deshalb nach dem Zusammenstecken der Wände, des Bodens und der Decke keine weiteren Fixiermittel mehr eingesetzt zu werden. Das vereinfacht das Verschweißen erheblich. Jedoch ist es denkbar, erforderlichenfalls, insbesondere zur Sicherung der schweren Wände, des Bodens und der Decke von Endlagerbehältern, zusätzliche Fixiermittel, beispielsweise Schraubzwingen, Spanngurte, Ketten oder dergleichen zu verwenden, die die zusammenzuschweißenden Teile des Endlagerbehälters so zusätzlich sichern und fixieren, damit sie trotz des Zusammensteckens nicht verrutschen oder gar umkippen können.The mating of the walls, the floor and the ceiling of the repository container is preferably carried out by grooves and / or projections which form so-called tongue and groove joints. As a result, the individual walls, the floor and the ceiling of the repository container can be brought exactly in the intended position in which they are to be welded. Above all, however, the tongue and groove joints hold the walls, the floor and the ceiling of the repository container in the correct position during welding without being able to move. Normally, therefore, after the mating of the walls, the floor and the ceiling, no further fixative need to be used more. This considerably simplifies welding. However, it is conceivable, if necessary, in particular for securing the heavy walls, the floor and the ceiling of repository containers, to use additional fixing means, for example screw clamps, straps, chains or the like, which additionally secure and fix the parts to be welded together of the final storage container so that they despite the mating can not slip or even tip over.

Ein bevorzugtes Ausführungsbeispiel der Erfindung wird nachfolgend anhand der Zeichnung näher beschrieben. In dieser zeigen:

Fig. 1
eine perspektivische Ansicht eines Endlagerbehälters mit zwei auf diesem noch nicht aufgesetzten Deckeln,
Fig. 2
eine perspektivische Ansicht nur des noch offenen Endlagerbehälters,
Fig. 3
ein Endlagerbehälter in einer Ansicht der Fig. 2 im teilweisen Schnitt,
Fig. 4
einen mittigen Querschnitt durch den Endlagerbehälter der Fig. 1 bis 3, und
Fig. 5
eine teilweise geschnittene Draufsicht auf den noch unverschlossenen Endlagerbehälter der Fig. 1 bis 3.
A preferred embodiment of the invention will be described below with reference to the drawing. In this show:
Fig. 1
a perspective view of a repository container with two on this not yet patch lids,
Fig. 2
a perspective view of only the still open repository container,
Fig. 3
a repository bin in a view of Fig. 2 in partial section,
Fig. 4
a central cross section through the disposal container of Fig. 1 to 3 , and
Fig. 5
a partially sectioned plan view of the still unclosed disposal container of Fig. 1 to 3 ,

Der in den Figuren gezeigte Endlagerbehälter 10 dient zur Aufnahme mindestens eines kontaminierten Gegenstands. Vorzugsweise finden im Innenraum 11 des Endlagerbehälters 10 mehrere kontaminierte Gegenstände Aufnahme. Bei den Gegenständen kann es sich um stückige oder rieselfähige Gegenstände handeln. Der Endlagerbehälter 10 dient vor allem zur langfristigen sicheren Aufbewahrung kontaminierter Gegenstände, sogenannter Reststoffe. Die Gegenstände bzw. Reststoffe können radioaktiv, chemisch und/oder biologisch kontaminiert sein.The repository container 10 shown in the figures serves to receive at least one contaminated object. Preferably find in the interior 11 of the repository container 10 more contaminated objects recording. The items may be lumpy or pourable items. The repository container 10 is mainly used for long-term safe storage of contaminated objects, so-called residues. The articles or residues may be radioactively, chemically and / or biologically contaminated.

Der gezeigte Endlagerbehälter 10 ist quaderförmig ausgebildet. Die Erfindung eignet sich aber auch für Endlagerbehälter mit anderer Gestalt.The repository container 10 shown is cuboid. The invention is also suitable for repository containers with a different shape.

Der hier gezeigte quaderförmige Endlagerbehälter 10 weist einen ebenen Boden 12 mit rechteckförmiger Grundfläche, zwei parallele Seitenwände 13, zwei quer dazu verlaufende, parallele Stirnwände 14 sowie eine Decke 15 auf. Die Decke 15 verläuft parallel zum Boden 12 und verfügt über die gleiche Grundfläche. Die Seitenwände 13 und die Stirnwände 14 verlaufen senkrecht zu dem horizontalen Boden 12 und der Decke 15.The cuboid repository container 10 shown here has a flat bottom 12 with a rectangular base, two parallel side walls 13, two transverse thereto, parallel end walls 14 and a ceiling 15. The ceiling 15 is parallel to the floor 12 and has the same footprint. The side walls 13 and the end walls 14 are perpendicular to the horizontal floor 12 and the ceiling 15th

Der Endlagerbehälter 10 des gezeigten Ausführungsbeispiels verfügt an allen acht Ecken über Eckbeschläge 16. Bevorzugt handelt es sich hierbei um genormte Eckbeschläge 16, wie sie auch bei ISO-Frachtcontainern Verwendung finden.The disposal container 10 of the embodiment shown has at all eight corners on corner fittings 16. This is preferably this corner fittings 16, as found in ISO freight containers use.

Die Decke 15 des Endlagerbehälters 10 ist mit einer großflächigen Öffnung 17 versehen. Die Öffnung 17 erstreckt sich über einen Großteil der Fläche der Decke 15. Die Öffnung 17 ist rechteckig ausgebildet, und zwar so, dass ihre Ränder mit gleichen, geringen Abständen zu den Außenflächen der Stirnwände 14 und der Seitenwände 13 verlaufen. Die Ecken der Öffnung 17 sind abgeschrägt, und zwar so, dass sie die Eckbeschläge 16 freilassen.The ceiling 15 of the repository container 10 is provided with a large-area opening 17. The opening 17 extends over a majority of the surface of the ceiling 15. The opening 17 is rectangular in shape, in such a way that their edges with equal, small distances to the outer surfaces of the end walls 14 and the side walls 13 extend. The corners of the opening 17 are chamfered, so that they leave the corner fittings 16.

Durch die Öffnung 17 können kontaminierte Gegenstände, insbesondere Reststoffe, in den Innenraum 11 des Endlagerbehälters eingefüllt werden. Die Öffnung 17 ist beim hier gezeigten Endlagerbehälter 10 verschließbar durch zwei Deckel, und zwar einen unteren, inneren Primärdeckel 18 und einen diesen von außen überdeckenden Sekundärdeckel 19. Der Sekundärdeckel 19 ist etwas größer als der Primärdeckel 18, so dass er ringsherum über den Rand des Primärdeckels 18 hinausragt. Sowohl der Primärdeckel 18 als auch der Sekundärdeckel 19 sind separat mit der Decke 15 verschraubt, und zwar durch eine Vielzahl von in den Figuren angedeuteten Schrauben 20. Die Deckel 18 und 19 können mit der Decke 15 aber auch auf andere Weise dauerhaft verbunden sein, beispielsweise durch Nieten, Schweißen und/oder Kleben.Through the opening 17 contaminated objects, in particular residues, can be filled into the interior 11 of the repository container. The opening 17 is closable in the repository container 10 shown here by two covers, namely a lower, inner primary cover 18 and a secondary cover 19 covering this from the outside. The secondary cover 19 is slightly larger than the primary cover 18, so that it extends around over the edge of the Primary cover 18 protrudes. Both the primary cover 18 and the secondary cover 19 are separately bolted to the ceiling 15, by a plurality of indicated in the figures screws 20. The lid 18 and 19 may be permanently connected to the ceiling 15 but also in other ways, for example by riveting, welding and / or gluing.

Die Öffnung 17 ist von einem abgestuften Rand umgeben. Eine tieferliegende erste Stufe dient zur bündigen Aufnahme des Primärdeckels 18, so dass auf die darüberliegende, größere zweite Stufe der Sekundärdeckel 19 aufgesetzt werden kann. Die zweite Stufe ist so tief, dass der Sekundärdeckel 19 flächenbündig mit der Oberseite der Decke 15 abschließt (Fig. 4). Eine umlaufende Auflagefläche für den unteren Primärdeckel 18 auf der unteren Stufe des Randes der Öffnung 17 ist im gezeigten Ausführungsbeispiel mit zwei nebeneinanderliegenden, umlaufenden Dichtungen 21 versehen. Dadurch ist der Primärdeckel 18 im auf die Öffnung 17 aufgeschraubten Zustand abgedichtet und dadurch ein luftdichter Verschluss des Innenraums 11 des Endlagerbehälters 10 gewährleistet.The opening 17 is surrounded by a stepped edge. A deeper first stage is used for flush receiving the primary cover 18, so that can be placed on the overlying, larger second stage of the secondary lid 19. The second stage is so deep that the secondary lid 19 is flush with the top of the ceiling 15 ( Fig. 4 ). A circumferential support surface for the lower primary cover 18 on the lower level of the edge of the opening 17 is provided in the embodiment shown with two adjacent, circumferential seals 21. As a result, the primary cover 18 is sealed in the screwed onto the opening 17 state, thereby ensuring an airtight seal of the interior 11 of the repository container 10.

Die Seitenwände 13, die Stirnwände 14, der Boden 12 und die Decke 15 sind relativ dick ausgebildet. Die Dicke der Wände 13, 14, des Bodens 12 und der Decke 15 sind so bemessen, dass sie einen Austritt von Strahlung kontaminierter Gegenstände aus dem Innenraum 11 verhindern. Bevorzugt sind die Wände 13, 14, der Boden 12 und die Decke 15 sandwichartig ausgebildet, bestehen nämlich aus einer äußeren Stahlwandung, einer mittleren Betonschicht, die vorzugsweise bewehrt ist, und einer inneren Stahlwandung. Es ist aber auch denkbar, die Wände 13, 14, den Boden 12 und die Decke 15 vollständig aus massivem Stahl zu bilden oder mehrschichtig aus Stahl und anderen die Durchlässigkeit radioaktiver Strahlung verhindernden oder stark einschränkenden Materialien, beispielsweise Blei, zu bilden.The side walls 13, the end walls 14, the bottom 12 and the ceiling 15 are formed relatively thick. The thickness of the walls 13, 14, the floor 12 and the ceiling 15 are sized to prevent leakage of contaminated articles from the interior 11. Preferably, the walls 13, 14, the floor 12 and the ceiling 15 are sandwiched, namely, consist of an outer steel wall, a middle concrete layer, which is preferably reinforced, and an inner steel wall. However, it is also conceivable to form the walls 13, 14, the floor 12 and the ceiling 15 completely from solid steel or from steel and other materials which prevent the permeability of radioactive radiation or severely restricting materials, for example lead.

In einem nicht zur aktuellen Erfindung gehörenden Beispiel ist der Innenraum 11 des Endlagerbehälters 10 beheizbar. Dazu sind den Innenseiten der Seitenwände 13, der Stirnwände 14 und des Bodens 12 Heizelemente zugeordnet. Gegebenenfalls kann auch die Decke 15 mit Heizelementen versehen sein. Die Heizelemente sind im gezeigten nicht erfindungsgemäßen Beispiel als elektrisch betriebene Heizpaneele 22 ausgebildet. Die Heizpaneele 22 sind den Innenseiten der Seitenwände 13, der Stirnwände 14 und des Bodens 12 zugeordnet und hier gegebenenfalls befestigt. Mehrere nebeneinanderliegende Heizpaneele 22 erstrecken sich gegebenenfalls über die ganze oder einen großen Teil der Innenfläche des Bodens 12. Die Seitenwände 13 und die Stirnwände 14 sind nur teilweise, nämlich etwa einem unteren Teil, der sich über die Hälfte bis zwei Drittel der Höhe der Seitenwände 13 und der Stirnwände 14 erstreckt, mit nebeneinanderliegenden Heizpaneelen 22 auf ihrer Innenseite versehen.In an example not belonging to the current invention, the interior 11 of the repository container 10 can be heated. For this purpose, the inner sides of the side walls 13, the end walls 14 and the bottom 12 heating elements are assigned. Optionally, the ceiling 15 may be provided with heating elements. The heating elements are formed in the non-inventive example shown as an electrically operated heating panels 22. The heating panels 22 are associated with the inner sides of the side walls 13, the end walls 14 and the bottom 12 and optionally attached here. A plurality of adjacent heating panels 22 optionally extend over all or a major portion of the inner surface of the floor 12. The side walls 13 and the end walls 14 are only partially, namely about a lower part extending over half to two thirds of the height of the side walls 13th and the end walls 14 extends, provided with adjacent Heizpaneelen 22 on its inside.

Die Heizpaneele 22 sind zum mechanischen Schutz gegen Beeinträchtigungen durch die im Innenraum 11 des Endlagerbehälters 10 untergebrachten Gegenstände geschützt. Dazu dienen von der Innenseite des Endlagerbehälters 10 her vor den Heizpaneelen 22 angeordnete Deckplatten 23, die so ausgebildet sind, dass sie die dahinterliegenden Heizpaneele 22 mechanisch vor Beeinträchtigungen durch die Gegenstände im Innenraum 11 schützen. Die die Heizpaneele 22 schützenden Deckplatten 23 sind lückenlos vor den Heizpaneelen 22 der Seitenwände 13 und der Stirnwände 14 und über den Heizpaneelen 22 auf dem Boden 12 angeordnet. Im Bereich der Wände 13 und 14 erstrecken sich die Deckplatten 23 über die Heizpaneele 22 hinweg über die gesamte Höhe der Seitenwände 13 und der Stirnwände 14. Mindestens oberhalb der Heizpaneele 22 sind die Deckplatten 23 an den Innenflächen der Seitenwände 13 und der Stirnwände 14 befestigt. Dadurch liegen die sich oberhalb der Heizpaneele 22 erstreckende Abschnitte der Deckplatten 23 an den Innenseiten der Seitenwände 13 bzw. der Stirnwände 14 an (Fig. 4).The heating panels 22 are protected for mechanical protection against damage caused by the accommodated in the interior 11 of the repository container 10 items. Serve for this purpose from the inside of the repository container 10 forth in front of the Heizpaneelen 22 arranged cover plates 23 which are formed so that they protect the underlying heating panels 22 mechanically against damage from the objects in the interior 11. The heating panels 22 protecting cover plates 23 are arranged without gaps in front of the Heizpaneelen 22 of the side walls 13 and the end walls 14 and the Heizpaneelen 22 on the floor 12. In the area of the walls 13 and 14, the cover plates 23 extend over the heating panels 22 across the entire height of the side walls 13 and the end walls 14. At least above the heating panels 22, the cover plates 23 are fixed to the inner surfaces of the side walls 13 and the end walls 14. As a result, the sections of the cover plates 23 extending above the heating panels 22 abut against the inner sides of the side walls 13 and the end walls 14, respectively (FIG. Fig. 4 ).

Die Deckplatten 23 sind aus einem gute thermische Leiteigenschaften aufweisenden Material, beispielsweise Stahl, gebildet. Zur Stabilitätsverbesserung können die Deckplatten 23 profilierte Querschnitte aufweisen. Es ist auch denkbar, dass zwischen benachbarten Heizpaneelen 22 Zwischenräume sind und die Deckplatten 23 so profiliert sind, dass sie diese Zwischenräume ausfüllen und im Bereich der Zwischenräume sich an den Innenseiten der Seitenwände 13 und der Stirnwände 14 sowie gegebenenfalls des Bodens 12 abstützen und hieran befestigt sind.The cover plates 23 are formed of a good thermal conductivity properties having material, such as steel. To improve stability, the cover plates 23 may have profiled cross sections. It is also conceivable that between adjacent Heizpaneelen 22 spaces and the cover plates 23 are profiled so that they fill these spaces and supported in the interstices on the inner sides of the side walls 13 and the end walls 14 and optionally the bottom 12 and attached thereto are.

Energieversorgungsleitungen der Heizpaneele 22, insbesondere Stromkabel bei elektrisch betriebenen Heizpaneelen 22, werden von den Heizpaneelen 22 im Innenraum 11 des Endlagerbehälters 10 durch eine durch einen Deckel 24 verschließbare Öffnung aus dem Endlagerbehälter 10 herausgeführt zu einer Energieversorgung und Steuerung. Gegebenenfalls befinden sich unter dem Deckel 24 Steckdosen für die im Inneren des Endlagerbehälters 10 zu den Heizpaneelen 22 führenden Stromleitungen. An diese Steckdosen werden bei abgenommenem Deckel 24 Stecker der außenliegenden Zuleitungen angeschlossen.Power supply lines of the heating panels 22, in particular power cables in electrically operated heating panels 22 are led out of the heating panels 22 in the interior 11 of the repository 10 by a closable by a lid 24 opening from the repository 10 to a power supply and control. Optionally located under the cover 24 sockets for the leading inside the repository container 10 to the heating panels 22 power lines. At these sockets 24 plugs of the external supply lines are connected with the cover removed.

In einem nicht zur aktuellen Erfindung gehörenden Beispiel ist eine Steuerung vorgesehen, die es zulässt, die Heizpaneele 22 im Inneren des Endlagerbehälters 10 individuell zu betreiben. Es können so alle Heizpaneele 22 gleichzeitig betrieben werden oder selektiv nur ein Teil der Heizpaneele 22.In an example not belonging to the current invention, a control is provided which allows the heating panels 22 to be operated individually inside the repository container 10. It can be operated at the same time all heating panels 22 at the same time or selectively only a part of the heating panels 22nd

Der Primärdeckel 18, womit die Öffnung 17 im Deckel 15 des Endlagerbehälters 10 verschließbar ist, verfügt über mindestens eine Öffnung, und zwar im gezeigten nicht erfindungsgemäßen Beispiel zwei Öffnungen 25, 26. Bei der Öffnung 26 handelt es sich bevorzugt um eine solche zur Absaugung feuchter Luft, die durch die Heizpaneele 22 im Innenraum 11 des Endlagerbehälters 10 aufgewärmt worden sind. Die andere Öffnung 25 dient zur Zufuhr trockner, kühlerer Frischluft oder Raumluft ins Innere des Endlagerbehälters 10. Gegebenenfalls sind die Öffnungen 25, 26 mit Anschlüssen für Schläuche zur Zu- bzw. Abfuhr von Luft versehen. Gegebenenfalls reicht nur eine Öffnung, wenn zur Zufuhr trockener Luft und Abfuhr feuchter Luft ein einziger Schlauch mit mehreren Kammern verwendet wird. Die Öffnungen 25, 26 sind nach Beendigung der Trocknung durch den Sekundärdeckel 19 verschließbar.The primary cover 18, with which the opening 17 in the lid 15 of the repository container 10 can be closed, has at least one opening, in the non-inventive example shown two openings 25, 26. The opening 26 is preferably such a suction for humidification Air that has been warmed up by the heating panels 22 in the interior 11 of the repository container 10. The other opening 25 serves to supply dry, cooler fresh air or room air into the interior of the repository container 10. Optionally, the openings 25, 26 are provided with connections for hoses for the supply and removal of air. If necessary, only one opening is sufficient if a single tube with several chambers is used to supply dry air and remove moist air. The openings 25, 26 are closed after completion of the drying by the secondary cover 19.

Der in den Figuren gezeigte Endlagerbehälter 10 ist so ausgebildet, dass mindestens einige Wandungen, vorzugsweise alle Wandungen, nämlich Seitenwände 13, Stirnwände 14, der Boden 12 und die Decke 15, zusammensteckbar sind. Dazu sind den Seitenwänden 13, den Stirnwänden 14, dem Boden 12 und der Decke 15 wechselweise miteinander korrespondierende und formschlüssig ineinandergreifende Vorsprünge 27 zugeordnet. Die Vorsprünge 27 und die Nuten 28 weisen im gezeigten Ausführungsbeispiel einen etwa rechteckigen Querschnitt auf. Die rechteckigen Vorsprünge 27 und Nuten 28 korrespondieren derart, dass sie im Wesentlichen spielfrei formschlüssig ineinandergreifen (Fig. 4).The disposal container 10 shown in the figures is designed so that at least some walls, preferably all walls, namely side walls 13, end walls 14, the bottom 12 and the ceiling 15, are plugged together. For this purpose, the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 are mutually associated with each other and correspondingly interlocking projections 27 assigned. The projections 27 and the grooves 28 have an approximately rectangular cross-section in the embodiment shown. The rectangular projections 27 and grooves 28 correspond in such a way that they intermesh with one another in a form-fitting manner without play (FIG. Fig. 4 ).

Im gezeigten Ausführungsbeispiel sind die oberen und unteren horizontalen Stirnflächen der Seitenwände 13 und der Stirnwände 14 jeweils mit einem durchgehenden länglichen Vorsprung 27 versehen. Dazu korrespondierende durchgehende Nuten 28 sind in Längs- und Querrandbereichen sowohl des Bodens 12 als auch der Decke 15 vorgesehen (Fig. 4). Dadurch sind der Boden 12 und die Decke 15 formschlüssig mit den Seitenwänden 13 und den Stirnwänden 14 zusammensteckbar (Fig. 4). Außerdem sind die vertikalen Stirnflächen der Stirnwände 14 mit von oben nach unten durchgehenden Vorsprüngen 27 versehen, die in korrespondierende Nuten 28 in vertikalen Randbereichen der Seitenwände 13 eingreifen (Fig. 5). Dadurch sind auch die Seitenwände 13 und die Stirnwände 14 formschlüssig zusammensteckbar, wobei die schmaleren Stirnwände 14 zwischen den diese überlappenden Seitenwänden 13 zu liegen kommen (Fig. 5).In the illustrated embodiment, the upper and lower horizontal end faces of the side walls 13 and the end walls 14 are each provided with a continuous elongated projection 27. Corresponding continuous grooves 28 are provided in longitudinal and transverse edge regions of both the floor 12 and the ceiling 15 ( Fig. 4 ). As a result, the bottom 12 and the ceiling 15 are positively connected to the side walls 13 and the end walls 14 plugged together ( Fig. 4 ). In addition, the vertical end faces of the end walls 14 are provided with projections 27 passing from top to bottom, which engage in corresponding grooves 28 in vertical edge regions of the side walls 13 ( Fig. 5 ). As a result, the side walls 13 and the end walls 14 can be plugged together in a form-fitting manner, wherein the narrower end walls 14 come to rest between the overlapping side walls 13 (FIG. Fig. 5 ).

Es ist denkbar, abweichend vom gezeigten Ausführungsbeispiel nicht die Vorsprünge 27 an den oberen und unteren horizontalen Stirnflächen der Seitenwände 13 vorzusehen, sondern an Randbereichen des Bodens 12 und der Decke 15. Ebenso ist es denkbar, die Vorsprünge 27 nicht an den vertikalen Stirnflächen der Stirnwände 14 vorzusehen, sondern an den Randbereichen der Seitenwände 13.It is conceivable, deviating from the embodiment shown, not to provide the projections 27 on the upper and lower horizontal end faces of the side walls 13, But it is also conceivable to provide the projections 27 not on the vertical end faces of the end walls 14, but at the edge regions of the side walls 13th

Die Vorsprünge 27 und Nuten 28 im Boden 12, der Decke 15 und in bzw. an den Seitenwänden 13 und Stirnwänden 14 sind so angeordnet, dass nach dem Zusammenfügen der Seitenwände 13, der Stirnwände 14, des Bodens 12 und der Decke 15 zum Endlagerbehälter 10 die Vorsprünge 27 und die Nuten 28 formschlüssig und spielfrei ineinandergreifen. Dadurch nehmen die Seitenwände 13, die Stirnwände 14, der Boden 12 und die Decke 15 ihre vorgesehenen Relativpositionen zueinander ein, in denen die zusammengesteckten Teile des Endlagerbehälters 10 miteinander verschweißt werden können. Gleichzeitig werden die Teile des Endlagerbehälters 10 relativ zueinander fixiert und so beim Schweißen zusammengehalten.The projections 27 and grooves 28 in the bottom 12, the ceiling 15 and in or on the side walls 13 and end walls 14 are arranged so that after the joining of the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 to the final storage container 10th the projections 27 and the grooves 28 interlock positively and without play. As a result, take the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 their intended relative positions to each other, in which the mated parts of the repository container 10 can be welded together. At the same time, the parts of the repository container 10 are fixed relative to one another and thus held together during welding.

Das erfindungsgemäße Verfahren zur Herstellung des Endlagerbehälters 10 läuft wie folgt ab:
Vor dem Verschweißen werden die Seitenwände 13, die Stirnwände 14, der Boden 12 und die Decke 15 des Endlagerbehälters 10 zusammengesteckt, so dass die Vorsprünge 27 und Nuten 28 ineinandergreifen und dabei die Seitenwände 13, die Stirnwände 14, die Decke 15 und der Boden 12 an den vorgesehenen Positionen halten. Dabei werden zuerst die Seitenwände 13 oder die Stirnwände 14 auf den Boden 12 gesetzt und dabei durch die Vorsprünge 27 und Nuten 28 in den vorgesehenen Relativpositionen zueinander fixiert. Anschließend werden die beiden übrigen Wandungen auf den Boden 12 aufgesetzt. Dadurch werden auch diese Wandungen durch die Vorsprünge 27 und Nuten 28 relativ zum Boden 12 positioniert und gehalten. Außerdem werden die vertikalen Stirnflächen der Stirnwände 14 durch die Vorsprünge 27 und die Nuten 28 mit den Seitenwänden 13 zusammengesteckt. Zum Schluss wird die Decke 15 auf die Seitenwände 13 und Stirnwände 14 aufgesetzt, wobei auch durch die Vorsprünge 27 und die Nuten 28 eine Positionierung erfolgt. Durch die so zum Endelagerbehälter 10 zusammengesteckten Seitenwände 13, Stirnwände 14, Boden 12 und Decke 15 wird eine Schweißvorbereitung herbeigeführt, bei der die Teile des Endlagerbehälters 10 durch das Zusammenstecken von den Vorsprüngen 27 und Nuten 28 in den vorgesehenen Positionen gehalten und fixiert werden. Es können dann die Seitenwände 13, Stirnwände 14, der Boden 12 und die Decke 15 miteinander durch durchgehende, vorzugsweise gasdichte Schweißnähte verbunden werden.The process according to the invention for producing the repository container 10 proceeds as follows:
Before welding, the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 of the repository container 10 are put together so that the projections 27 and grooves 28 engage with each other and the side walls 13, the end walls 14, the ceiling 15 and the bottom 12th hold at the intended positions. First, the side walls 13 or the end walls 14 are placed on the bottom 12 and thereby fixed by the projections 27 and grooves 28 in the intended relative positions to each other. Subsequently, the two remaining walls are placed on the floor 12. As a result, these walls are positioned and held by the projections 27 and grooves 28 relative to the bottom 12. In addition, the vertical end faces of the end walls 14 are plugged together by the projections 27 and the grooves 28 with the side walls 13. Finally, the ceiling 15 is placed on the side walls 13 and end walls 14, wherein also by the projections 27 and the grooves 28 is a positioning. By so assembled to the final storage container 10 side walls 13, end walls 14, bottom 12 and ceiling 15, a welding preparation is brought about, in which the parts of the repository container 10 are held and fixed by the mating of the projections 27 and grooves 28 in the intended positions. It can then the side walls 13, end walls 14, the bottom 12 and the ceiling 15 are connected to each other by continuous, preferably gas-tight welds.

Gegebenenfalls kann es vorgesehen sein, zum Schweißen die zusammengesteckten Seitenwände 13, Stirnwände 14, den Boden 12 und die Decke 15 durch zusätzliche temporäre Fixierungsmittel zusammenzuhalten, beispielsweise Schraubzwingen oder Gurte, die nach dem Verschweißen wieder abgenommen werden.Optionally, it may be provided for welding together the mated side walls 13, end walls 14, the bottom 12 and the ceiling 15 by additional temporary fixing means, such as screw clamps or straps, which are removed again after welding.

Die zur Schweißvorbereitung dienenden Nuten 28 und die formschlüssig und passgenau in diese eingreifenden Vorsprünge 27 bilden auch ein Labyrinth, das eine Art "Strahlenfalle" bildet, die auch dazu beiträgt, das Austreten von Strahlung von kontaminierten Gegenständen aus dem Endlagerbehälter zu verhindern oder zumindest deutlich zu reduzieren, was insbesondere in den Bereichen der Schweißnähte vorteilhaft ist, weil üblicherweise die Stirnflächen der Stirnwandungen 14 und der Seitenwandungen 13 nicht vollflächig mit dem Boden 12 und der Decke 15 verschweißt werden.The grooves 28, which serve to prepare the weld, and the projections 27, which engage positively and accurately, also form a labyrinth, which forms a kind of "radiation trap" which also helps to prevent or at least significantly increase the escape of radiation from contaminated objects from the disposal container reduce, which is particularly advantageous in the areas of welds, because usually the faces of the end walls 14 and the side walls 13 are not fully welded to the bottom 12 and the ceiling 15.

Die Erfindung eignet sich auch für Endlagerbehälter, die eine andere Gestalt als der gezeigte quaderförmige Endlagerbehälter 10 aufweisen. Denkbar ist es auch, den hier gezeigten quaderförmigen Endlagerbehälter 10 anstatt mit dem rechteckigen Primärdeckel 18 und Sekundärdeckel 19 mit rundem Primärdeckel und Sekundärdeckel zu versehen.The invention is also suitable for repository containers which have a different shape than the cuboid repository container 10 shown. It is also conceivable to provide the cuboid repository container 10 shown here instead of the rectangular primary cover 18 and secondary cover 19 with a round primary cover and secondary cover.

Die Erfindung bezieht sich auf Endlagerbehälter, die im Inneren keine Heizpaneele 22 aufweisen, bei denen aber die Seitenwände 13, die Stirnwände 14, der Boden 12 und die Decke 15 durch insbesondere Vorsprünge 27 und Nuten 28 zusammensteckbar sind.The invention relates to repository containers which have no heating panels 22 in the interior, but in which the side walls 13, the end walls 14, the bottom 12 and the ceiling 15 by particular projections 27 and grooves 28 are plugged together.

Claims (5)

  1. Final storage container for at least one contaminated article, having an interior space (11) for receiving the at least one contaminated article, which interior space is formed by side walls (13), end walls (14), a bottom (12) and a top (15) which has an opening (17) which is closable by means of at least one cover (18, 19), characterized in that at least some side walls (13), end walls (14), the bottom (12) and/or the top (15) are assigned grooves (28) or projections (27) which correspond with one another such that at least some side walls (13), end walls (14), the bottom (12) and/or the top (15) can be plugged together and are additionally connected to one another by means of weld seams.
  2. Final storage container according to Claim 1, characterized in that the projections (27) and grooves (28) are formed correspondingly by virtue of the fact that they engage in positively locking fashion into one another.
  3. Final storage container according to Claim 1 or 2, characterized in that the bottom (12) and the top (15) have grooves (28), and the side walls (13) and end walls (14) have projections (27) corresponding thereto, and/or the side walls (13) have grooves (28) and the end surfaces of the end walls (14) have projections (27).
  4. Method for producing a final storage container (10) for at least one contaminated article according to any of Claims 1 to 3, wherein side walls (13), end walls (14), a bottom (12) and a top (15) are welded together in order to delimit an interior space (11) of the final storage container (10), characterized in that, before the welding-together process, at least some side walls (13), end walls (14), the bottom (12) and/or the top (15) are placed into their position intended for the welding process by being plugged together, and the side walls (13), end walls (14), the bottom (12) and the top (15) of the final storage container (10) are welded together only after this plugging-together process.
  5. Method according to Claim 4, characterized in that the side walls (13), the end walls (14), the bottom (12) and/or the top (15) are in each case held together, in a manner which permits the subsequent welding, by means of grooves (28) and/or projections (27) alone.
EP13000348.6A 2012-11-16 2013-01-24 Final storage container and method for the production of same Active EP2733704B1 (en)

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US20080031397A1 (en) * 2006-06-30 2008-02-07 Krishna Singh Fuel basket spacer, apparatus and method using the same for storing high level radioactive waste

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US3379105A (en) * 1966-07-29 1968-04-23 Hugh C. Lynch Permanent curb form structure having tongue and groove joint means
DE3827897A1 (en) * 1988-08-17 1990-03-22 Nukem Gmbh METHOD FOR CONDITIONING RADIOACTIVE EVAPORATOR LIQUIDS FROM NUCLEAR FACILITIES
US4983282A (en) * 1988-12-12 1991-01-08 Westinghouse Electric Corp. Apparatus for removing liquid from a composition and for storing the deliquified composition
US20050286674A1 (en) * 2004-06-29 2005-12-29 The Regents Of The University Of California Composite-wall radiation-shielded cask and method of assembly
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US20080031397A1 (en) * 2006-06-30 2008-02-07 Krishna Singh Fuel basket spacer, apparatus and method using the same for storing high level radioactive waste

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EP3203482B1 (en) 2018-11-14
DE102012022423A1 (en) 2014-05-22
EP2733704A3 (en) 2016-06-29
EP2733704A2 (en) 2014-05-21
EP3203482A1 (en) 2017-08-09

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