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EP3582231B1 - Récipient destiné à la réception des déchets radioactif et récipient agrégat - Google Patents

Récipient destiné à la réception des déchets radioactif et récipient agrégat Download PDF

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Publication number
EP3582231B1
EP3582231B1 EP18178093.3A EP18178093A EP3582231B1 EP 3582231 B1 EP3582231 B1 EP 3582231B1 EP 18178093 A EP18178093 A EP 18178093A EP 3582231 B1 EP3582231 B1 EP 3582231B1
Authority
EP
European Patent Office
Prior art keywords
container
lid
groove
wall
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.)
Active
Application number
EP18178093.3A
Other languages
German (de)
English (en)
Other versions
EP3582231A1 (fr
Inventor
Roland Hüggenberg
Berthold Klöhn
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
Original Assignee
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.)
Filing date
Publication date
Application filed by GNS Gesellschaft fuer Nuklearservice mbH filed Critical GNS Gesellschaft fuer Nuklearservice mbH
Priority to EP18178093.3A priority Critical patent/EP3582231B1/fr
Priority to JP2019094233A priority patent/JP2019219385A/ja
Priority to RU2019116630A priority patent/RU2782867C2/ru
Priority to ZA2019/03495A priority patent/ZA201903495B/en
Priority to KR1020190068876A priority patent/KR20190142222A/ko
Priority to CN201910508338.0A priority patent/CN110606269B/zh
Priority to US16/439,814 priority patent/US11398320B2/en
Priority to TW108120626A priority patent/TWI826465B/zh
Publication of EP3582231A1 publication Critical patent/EP3582231A1/fr
Application granted granted Critical
Publication of EP3582231B1 publication Critical patent/EP3582231B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • G21F5/008—Containers for fuel elements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • G21F5/008—Containers for fuel elements
    • G21F5/012—Fuel element racks in the containers

Definitions

  • the invention relates to a container for holding radioactive waste and for holding spent fuel assemblies, with a container shell, a container bottom connected to the container shell and at least one container cover.
  • the invention further relates to a container assembly comprising a canister and a transport and / or storage container.
  • Containers of the type mentioned are known from practice in different embodiments, for example from the following patent applications: EP 2 848 549 A1 , US 2004/071254 A1 , EP 2 975 614 A1 or US 2007/290149 A1 .
  • canisters for transferring spent fuel assemblies are known. These canisters are loaded with the spent fuel elements under water and then closed with a lid. These closed canisters are then transferred to a transport and / or storage container. Due to the vertical handling of a canister when it is inserted into the transport and / or storage container, the load attachment point must be on the top of the canister lid and be designed for the load from the canister mass, the fuel element carrier basket and the fuel elements.
  • the load-bearing component of such a canister is a multi-layer, solid load-bearing weld seam between the canister lid and the canister shell.
  • a welding ring is also implemented as a sealing weld.
  • the production and reproducibility of the welded connections must be ensured by a corresponding test.
  • national regulations for this In countries in which the canisters cannot be used for interim storage or final storage, the weld seams on the canisters must finally be reopened and the fuel assemblies must be reloaded. As a result, the measures described are associated with considerable effort.
  • the invention is based on the technical problem of specifying a container of the type mentioned at the outset, in which a closure of the container is made possible in a relatively simple and inexpensive manner with nevertheless an optimal sealing function.
  • the invention is also based on the technical problem of specifying a corresponding container assembly.
  • the invention teaches a container for receiving radioactive waste materials, in particular for receiving spent fuel elements, - with a container jacket, one with the Container base connected to the container shell and with at least one container lid, wherein the container jacket has positive locking elements on the inside of the container distributed over the inner circumference of the container jacket in its upper lid-side edge region, the container lid being provided on its outer edge with complementary positive locking elements distributed over its outer periphery and the container lid being positively locked with the container jacket due to the positive locking interaction of its complementary positive locking elements with the positive locking elements of the container jacket is or is connected and wherein the container lid can be or is connected to the container jacket without welding connections.
  • the container lid is positively connected to the container jacket in the closed state of the container due to the positive-locking interaction of its complementary positive-locking elements with the positive-locking elements of the container jacket.
  • a carrier basket for receiving spent fuel assemblies is arranged in the container interior of the container according to the invention.
  • the container base and the container jacket are expediently connected to one another in one piece.
  • the container base and the container jacket of the container are connected to one another via at least one welded connection.
  • the container according to the invention is a canister which is loaded with the fuel assemblies and then introduced into a transport and / or storage container.
  • the canister is under water with the Load the fuel assemblies and seal them with the container lid.
  • the canister is then transferred to the transport and / or storage container by means of a transfer container and introduced there into the transport and / or storage container.
  • the container is a transport and / or storage container and the container cover is then the primary cover of the transport and / or storage container, the primary cover being equipped with the complementary form-locking elements.
  • a form-fitting connection is realized between the container cover and the container casing, this connection being designed without welding connections.
  • the container lid is transferred from an open position to a locking position by rotation.
  • the rotation can also expediently take place the other way round from the locking position into the opening position. Accordingly, the container can also be opened again in a simple manner. It is recommended that the container lid is rotated from the opening position to the locking position and vice versa over the smallest possible angle.
  • At least three, preferably at least four, preferably at least five and very preferably at least six form-fit elements on the inside of the container are provided distributed over the inner circumference of the container jacket.
  • a particularly recommended embodiment of the invention is characterized in that at least eight, expediently at least ten and preferably at least twelve form-locking elements on the inside of the container are arranged distributed over the inner circumference of the container jacket.
  • there are at least three, preferably at least four, preferably at least five and very preferably at least six complementary form-locking elements are arranged distributed over the outer circumference of the container lid.
  • At least eight, preferably at least ten and particularly preferably at least twelve complementary form-locking elements are provided distributed over the outer circumference of the container lid.
  • the number of form-locking elements on the inner circumference of the container shell corresponds to the number of complementary form-locking elements on the outer circumference of the container lid.
  • a very preferred embodiment of the invention is characterized in that the form-locking elements and / or the complementary form-locking elements are designed in the form of consoles or in the form of protruding consoles. These projecting consoles can either be welded on or mechanically machined from the corresponding container material. Appropriately, either the form-fit elements or the complementary form-fit elements are designed in the form of consoles.
  • the positive-locking elements on the inside of the container which are distributed over the inner circumference of the container, are designed as consoles or as projecting consoles.
  • the brackets are then preferably either welded to the upper, cover-side edge region of the container jacket on the inside of the container, or mechanically machined from the container jacket material.
  • the consoles are recommended to be rectangular or essentially rectangular in plan view. According to one embodiment variant, the consoles are designed to be rectangular with rounded corners. It is within the scope of the invention that such a bracket can be fitted in a form-fitting manner into a groove described below and in particular into a groove section of such a groove.
  • the invention is characterized in that the form-locking elements and / or the complementary form-locking elements are designed in the form of grooves.
  • the form-locking elements or the complementary form-locking elements are designed in the form of grooves.
  • the complementary form-locking elements distributed over the outer circumference of the container lid are designed in the form of grooves.
  • the embodiment according to the invention is characterized in that a groove has at least two groove sections arranged perpendicularly or substantially perpendicularly to one another.
  • At least one groove section or one groove section of each groove is expediently arranged parallel or substantially parallel to the longitudinal axis L of the container and at least one further groove section or one further groove section is arranged perpendicular or substantially perpendicular to the longitudinal axis L of the container.
  • an L-shaped or an essentially L-shaped configuration of the grooves is particularly preferred.
  • an L-groove section is expediently oriented parallel or essentially parallel to the container axis L and an L-groove section is arranged perpendicular or essentially perpendicular to the container axis L of the container. It is particularly recommended within the scope of the invention that a groove section or an L-groove section is designed as a tangential groove section.
  • Tangential groove section means a groove section which, in the case of a container lid with a round or circular cross section, would form a tangent or approximately a tangent with respect to the round or circular container lid when it was extended.
  • the L-groove section oriented perpendicularly or essentially perpendicularly to the container longitudinal axis L is expediently designed as a tangential groove section.
  • the details perpendicular to the longitudinal axis L of the container and parallel to the longitudinal axis L of the container also relate in particular to the locking position of the container with the container lid already in place. It is recommended that the L-groove section arranged parallel to the longitudinal axis L of the container is designed to be open towards the underside of the lid so that - as will be described below - these L-groove sections can be pushed onto the brackets protruding from the inside of the container casing.
  • both the L-groove section oriented parallel to the longitudinal axis L of the container and the L-groove section oriented perpendicular to the longitudinal axis L of the container is designed to be closed to the container top, with a groove stop edge or groove stop surface on the top of the lid being implemented.
  • a recommended embodiment of the invention is characterized in that a plurality of complementary form-locking elements in the form of grooves are distributed over the outer circumference of the container lid, preferably at least eight, preferably at least ten and very preferably at least twelve grooves. It is recommended that, in this embodiment, the container jacket has a plurality of form-locking elements distributed over its inner circumference in the form of consoles - in particular in the form of rectangular consoles. At least eight, preferably at least ten and preferably at least twelve form-locking elements or consoles are expediently provided on the inner circumference of the container jacket. It is within the scope of the invention that the number of form-locking elements on the container jacket corresponds to the number of complementary form-locking elements on the container lid.
  • the form-locking elements arranged on the inside of the container on the container jacket are expediently arranged distributed uniformly over the inner circumference of the container jacket, specifically preferably at the same or substantially the same spacing from one another. It is recommended that the on the outer edge of the Container lid provided complementary form-locking elements are arranged distributed evenly over the outer circumference of the container lid, preferably are arranged at the same or substantially the same distances from one another.
  • the complementary form-locking elements distributed over the outer circumference of the container lid are preferably L-shaped grooves and that an L-groove section is expediently oriented parallel to the longitudinal axis L of the container, this L-groove section being designed to be open towards the underside of the container.
  • the container lid is inserted into the container jacket with the proviso that the grooves distributed over the outer circumference of the container lid, in particular the L-groove sections distributed over the outer circumference of the container lid and oriented parallel to the longitudinal axis L of the container, each point to one of the L-groove sections Console arranged inside the container are pushed on.
  • the consoles each come to rest on the upper side groove stop edge or groove stop surface of the parallel L-groove sections of the container lid.
  • the brackets present on the inner circumference of the container jacket each come into engagement with an L-groove section arranged perpendicular to the longitudinal axis L of the container.
  • the container lid is in its locking position.
  • the number of form-locking elements and complementary form-locking elements is preferably selected so that the angle of rotation when moving the container lid from the opening position to the locking position is as small as possible and is preferably less than 25 °, preferably less than 20 ° and very preferably less than 15 °.
  • brackets - in particular the brackets arranged on the inner circumference of the container jacket - rest against a groove stop edge or groove stop surface of a groove, preferably an L-shaped groove, on the container top side in the locking position of the container.
  • a groove stop edge or groove stop surface of a groove preferably an L-shaped groove
  • the container lid is supported in the axial direction or in the direction of the container longitudinal axis L of the container in a functionally reliable manner on the container and thus a load attachment point on the container lid can be effectively implemented.
  • the groove stop edges or groove stop surfaces on the top of the container are recommended on both L-groove sections of the L-shaped grooves.
  • a highly recommended embodiment of the invention is characterized in that the grooves, preferably the grooves arranged on the outer circumference of the container lid, each have at least one groove area, the groove base of which is beveled towards the inside of the container and towards the container base.
  • the grooves preferably the grooves arranged on the outer circumference of the container lid, each have at least one groove area, the groove base of which is beveled towards the inside of the container and towards the container base.
  • at least the L-groove section oriented perpendicular to the longitudinal axis L of the container has a groove base on the container bottom, which is beveled towards the inside of the container and towards the container base.
  • the consoles arranged on the inner circumference of the container jacket have complementary bevels. This configuration with the inclined surfaces ensures that when the container or the container lid is lifted in the locking position, the forces acting radially on the container jacket can be reduced so that the container jacket is prevented from expanding.
  • a preferred embodiment of the invention is characterized in that, in the locking position of the container, at least one sealing groove running around the circumference of the container is provided on the top of the container between the container lid and the container jacket.
  • the sealing groove is recommended between the upper edge of the container jacket and the outer edge of the container lid, the container lid or the outer edge of the container lid preferably having a groove recess on the top. It has been proven that the groove recess base of this groove recess is designed to be conically bevelled towards the container jacket.
  • At least one seal or at least one sealing ring is expediently arranged or inserted in the sealing groove. It is within the scope of the invention that the at least one seal runs around the circumference of the container.
  • the at least one seal or the at least one sealing ring is designed as a metal seal and / or as an elastomer seal.
  • the container is a canister that can be transferred into a transport and / or storage container
  • at least one elastomer seal can be inserted into the sealing groove after the canister has been loaded with the fuel assemblies under water.
  • the elastomer seal can be removed and then at least one metal seal can expediently be used for the seal between the container lid and the container jacket.
  • the container cover is a primary cover of a transport and / or storage container, at least one metal seal is preferably used as the seal.
  • a metal seal used within the scope of the invention has an inner band made of at least one metal and at least one jacket surrounding the inner band made of at least one metal.
  • a metal seal or such a metal sealing ring is equipped with an inner band made of at least one metal - preferably made of a nickel alloy or a nickel-based alloy - and with an inner jacket made of at least one metal and with at least one outer jacket made of at least one metal.
  • the inner jacket is expediently made of steel and preferably of stainless steel.
  • One embodiment of the invention is characterized in that the outer jacket consists or essentially consists of a metal from the group "aluminum, silver, gold".
  • Such a metal seal or such a metal sealing ring has particularly proven itself in combination with the form-locking measures according to the invention.
  • the pressing element or the pressing ring in the locked state or in the locked position of the container at least one pressing element, in particular at least one pressing ring, is placed on the container lid.
  • the pressing element or the pressing ring expediently presses the at least one seal arranged in the sealing groove.
  • This pressing results in an excellent sealing function.
  • the pressing element or the pressing ring is fixed to the container, in particular to the container cover, by screwing.
  • the pressing element or the pressing ring expediently runs around the circumference of the container or the container cover.
  • the pressing element or the pressing ring has a groove extension on the container lid side which engages in the sealing groove to press the seal.
  • this groove extension like the sealing groove, runs around the circumference of the container. It is recommended that the groove extension has a conical bevel at its lower end on the seal side, which is directed towards the container jacket and upwards. This bevel allows with the preferably provided bevel on the groove recess bottom of the groove recess or the sealing groove a particularly effective compression of the seal and thus a very reliable radial seal between the container lid and the container jacket.
  • the invention also relates to a container assembly with a container according to the invention, the container being a canister loaded with spent fuel elements, which is received in a transport and / or storage container which can be or is closed with at least one primary cover and which is expediently can additionally be closed or is closed with a secondary cover arranged above the primary cover.
  • the canister is expediently loaded with the spent fuel assemblies under water, the fuel assemblies being picked up by a carrier basket arranged in the canister.
  • the canister is preferably transferred to the transport and / or storage container by means of a transfer container and introduced into the transport and / or storage container.
  • the transport and / or storage container is then preferably closed with the primary cover and the secondary cover and sent to intermediate storage or final storage.
  • the container according to the invention is already a transport and / or storage container, the container cover being the primary cover of the transport and / or storage container.
  • the primary cover is expediently fixed positively to the container jacket of the transport and / or storage container with the measures according to the invention.
  • the transport and / or storage container is expediently closed with an additional secondary cover after the form-fitting application of the primary cover.
  • the secondary cover is preferably fixed to the container via screw connections.
  • the invention is based on the knowledge that the inventive container can be closed in a functionally reliable manner in a simple and inexpensive manner by means of the form-fitting measures according to the invention without a welded connection.
  • the container according to the invention is a canister for transferring the spent fuel elements, a simple locking mechanism without a load-bearing weld seam can be implemented, which nonetheless ensures an optimal load-bearing capacity of the canister during the corresponding handling.
  • the container lid offers an effective load attachment point even with larger masses to be transported and with higher loads. Due to the lack of a load-bearing weld seam, there is no need for an expensive, country-specific process qualification of the welding process by an expert.
  • the container or canister can simply be closed and also opened again without any problems. In principle, any closing and opening of the container is easily possible. This is particularly advantageous if the canister is not intended for intermediate storage or final storage.
  • the container lid designed according to the invention can still be used without restriction. Rather, the handling is simplified, the handling time is reduced and the handling risk is minimized. It should also be emphasized that, compared to the conventional canisters, no significant changes to the canister body are required to implement the measures according to the invention.
  • the container is a transport and / or storage container and the container cover is the primary cover of this container
  • complex screw connections can be used the primary cover with cover screws can be omitted. This means that inertial forces do not need to be removed via the cover screws.
  • the load-bearing cross-sections can be significantly increased compared to the screw connection.
  • the outside diameter of the primary cover can be reduced and thus also the outside diameter of the secondary cover. This has the advantage that a greater residual wall thickness of the container body or container jacket is possible in the lid area. Among other things, this increases the stability in the event of a side impact with the container.
  • seals in the sealing groove between the container lid and the container jacket in a container according to the invention are also of particular advantage.
  • a change of seal is possible here without dismantling the container cover.
  • the compression state of the seal is advantageously independent of the locking of the container lid. Because of the radial sealing in the case of the measures according to the invention, there is no impairment of the tightness through transverse displacements.
  • the figures show a container 1 according to the invention for holding radioactive waste materials, preferably and in the exemplary embodiment for holding spent fuel assemblies 2.
  • the container 1 has a container jacket 3, a container base 4 connected to the container jacket 3 and a container lid 5.
  • a carrying basket 11 for receiving the spent fuel assemblies 2 is preferred and in the exemplary embodiment according to the figures.
  • the container bottom 4 and the container jacket 3 may be connected to one another in one piece in the exemplary embodiment.
  • the container jacket 3 has positive-locking elements 7 on the inside of the container distributed over the inner circumference of the container jacket 3 in its upper lid-side edge region 6 and the container lid 5 is provided on its outer edge with complementary positive-locking elements 9 distributed over its outer circumference.
  • the container lid 5 is positively connected to the container jacket 3 due to the form-locking interaction of its complementary form-locking elements 9 with the form-locking elements 7 of the container jacket 3.
  • the connection between the container lid 5 and the container jacket 3 is free of welding joints according to the invention.
  • the form-locking elements 7 on the inside of the container, which are distributed on the inside or on the inner circumference of the container jacket 3, are designed as protruding brackets 12, and in the exemplary embodiment in the form of brackets 12 that are rectangular in plan view.
  • the L-shaped grooves 13 have, as recommended and in the exemplary embodiment, an L oriented parallel to the longitudinal axis L of the container Groove section 20 as well as an L-groove section 21 arranged perpendicular to it or arranged perpendicular to the longitudinal axis L of the container.
  • the last-mentioned L-groove sections 21 are designed as tangential L-groove sections 21 with respect to the circumference of the container cover.
  • the L-groove sections 20 parallel to the longitudinal axis L of the container are designed to be open towards the underside of the container lid, so that the consoles 12 can be inserted here.
  • the projecting consoles 12 of the container jacket 3 are for engagement in the grooves 13 of the container lid 5 furnished.
  • the container lid 5 is expediently first inserted into the container casing 3 so that the consoles 12 engage in the grooves 13 and in particular in the L-groove sections 20 arranged parallel to the longitudinal axis L of the container.
  • the brackets 12 come to rest on the groove stop edges 15 of the grooves 13.
  • the container lid 5 is then rotated so that the consoles 12 each come into engagement with the L-groove sections 21 arranged perpendicular to the container longitudinal axis L. It is within the scope of the invention that the brackets 12 here rest against the groove stop edges 15 on the upper side of the container, so that the container lid 5 is held captive on the container 1 in the axial direction of the container 1.
  • the grooves 13 have groove areas 16 which are beveled towards the container interior 10 and towards the container bottom 4 ( Fig. 3 ).
  • the associated consoles 12 have complementary bevels.
  • at least the bottom of the groove on the container bottom side of the L-groove section 21 of the grooves 13 perpendicular to the container longitudinal axis L is provided with a corresponding bevel.
  • the consoles 12 each have a complementary bevel.
  • a sealing groove 17 running around the circumference of the container 1 is provided on the top of the container between the container lid 5 and the upper edge of the container jacket 3.
  • the container lid 5 has to implement this Sealing groove 17 has an upper-side groove recess 25 running around its circumference or outer circumference.
  • the sealing groove 17 at least one seal 18 is arranged, which is preferably and in the exemplary embodiment is designed as a sealing ring or O-sealing ring. This seal 18 is expediently a metal seal.
  • the upper-side groove recess 25 of the container lid 5 has a conically beveled groove recess base 26 which is conically beveled towards the container jacket 3 and downwards.
  • the seal 18 or the sealing ring expediently rests on this beveled groove recess base 26.
  • a pressing ring 19 is placed on the container lid 5, which presses the seal 18 arranged in the sealing groove 17.
  • the compression ring 19 is fixed to the container cover 5 by screw connections.
  • the compression ring 19 runs around the circumference of the container 1 or the container lid 5.
  • the pressing ring 19 has on its outer edge a downwardly projecting groove extension 27 on the container lid side, which expediently comes directly into contact with the seal 18.
  • this groove extension 27 of the pressing ring 19 on the container lid side has a conically beveled surface 28 on the underside, which is preferably and, in the exemplary embodiment, beveled towards the container jacket 3 and upwards. Due to this arrangement, an effective compression of the seal 18 takes place and an optimal radial seal is achieved. It is also recommended that an anti-rotation device is provided between the pressing ring 19 and the container jacket 3, which is expediently in the form of feather keys or not shown in the figures Wedges or the like elements is realized which are inserted into corresponding grooves of the compression ring 19 on the one hand and the container jacket 3 on the other hand.
  • a seal 18 used according to a preferred embodiment and in the exemplary embodiment is shown, which is recommended and designed as a metal seal in the exemplary embodiment.
  • This metal seal expediently and in the exemplary embodiment has an inner band 22 made of at least one metal, this inner band 22 preferably and in the exemplary embodiment consisting or essentially consisting of a nickel alloy or a nickel-based alloy.
  • the Fig. 4 The seal 18 shown has an inner jacket 23, which preferably consists or essentially consists of stainless steel, and an outer jacket 24 which, in the exemplary embodiment, preferably consists or essentially consists of aluminum. This outer jacket 24 could also consist of silver or gold.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Stackable Containers (AREA)
  • Gasket Seals (AREA)

Claims (15)

  1. Récipient (1) destiné à recevoir des déchets radioactifs et à recevoir des éléments combustibles brûlés (2) - comprenant une enveloppe de récipient (3), un fond de récipient (4) relié à l'enveloppe de récipient (3) et au moins un couvercle de récipient (5) -, dans lequel l'enveloppe de récipient (3) présente des éléments à ajustement de forme (7) sur le côté intérieur du récipient, lesquels sont répartis sur le pourtour intérieur de l'enveloppe de récipient (3) dans sa région de bord supérieur côté couvercle (6), dans lequel le couvercle de récipient (5) est pourvu d'éléments à ajustement de forme complémentaires (9) répartis sur son pourtour extérieur sur son bord extérieur (8), et dans lequel le couvercle de récipient (5) peut être relié ou est relié par ajustement de forme à l'enveloppe de récipient (3) du fait de l'interaction par ajustement de forme de ses éléments à ajustement de forme complémentaires (9) avec les éléments à ajustement de forme (7) de l'enveloppe de récipient (3), et dans lequel le couvercle de récipient (5) peut être relié ou est relié à l'enveloppe de récipient (3) sans liaison par soudure, caractérisé en ce que les éléments à ajustement de forme (7) et/ou les éléments à ajustement de forme complémentaires (9) sont conçus comme des rainures (13), notamment comme des rainures (13) comprenant au moins deux sections de rainure (20, 21) disposées perpendiculairement ou quasiment perpendiculairement l'une par rapport à l'autre.
  2. Récipient selon la revendication 1, caractérisé en ce qu'un panier de transport (11) destiné à recevoir des éléments combustibles brûlés (2) est disposé dans l'espace intérieur de récipient (10) du récipient (1).
  3. Récipient selon la revendication 1 ou 2, caractérisé en ce que le fond de récipient (4) et l'enveloppe de récipient (3) sont reliés entre eux d'un seul tenant ou reliés entre eux par au moins une liaison par soudure.
  4. Récipient selon l'une des revendications 1 à 3, caractérisé en ce qu'il est prévu au moins trois, de préférence au moins quatre et de façon particulièrement préférentielle au moins cinq éléments à ajustement de forme (7) sur le côté intérieur du récipient, lesquels sont répartis sur le pourtour intérieur de l'enveloppe de récipient.
  5. Récipient selon l'une des revendications 1 à 4, caractérisé en ce qu'il est prévu au moins trois, de préférence au moins quatre et de façon particulièrement préférentielle au moins cinq éléments à ajustement de forme complémentaires (9), lesquels sont répartis sur le pourtour extérieur du couvercle de récipient (5).
  6. Récipient selon l'une des revendications 1 à 5, caractérisé en ce que les rainures (13) sont conçues comme des rainures en forme de L ou quasiment en forme de L (13).
  7. Récipient selon l'une des revendications 1 à 6, caractérisé en ce que les éléments à ajustement de forme complémentaires (9) et/ou les éléments à ajustement de forme (7) sont conçus comme des consoles (12) en porte-à-faux, lesquelles sont destinées à s'engager dans les rainures (13).
  8. Récipient selon l'une des revendications 1 à 7, caractérisé en ce que les rainures (13) présentent respectivement une section de rainure tangentielle (21) par rapport au pourtour du récipient, laquelle forme une section d'engagement pour une console (12).
  9. Récipient selon la revendication 7 ou 8, caractérisé en ce que dans une position de verrouillage du récipient (1), les consoles (12) s'appliquent respectivement sur une arête de butée de rainure (15) sur le côté supérieur du récipient ou sur une surface de butée de rainure sur le côté supérieur du récipient, de telle façon que le couvercle de récipient (5) est maintenu sur le récipient (1) dans la direction axiale du récipient (1) et un point de butée de charge peut être réalisé sur le couvercle de récipient (5).
  10. Récipient selon l'une des revendications 6 à 9, caractérisé en ce que les rainures (13) présentent au moins des régions de rainure (16) conçues de façon biseautée vers l'espace intérieur de récipient (10) et vers le fond de récipient (4) et dans lequel les consoles (12) présentent de préférence des biseaux complémentaires.
  11. Récipient selon l'une des revendications 1 à 10, caractérisé en ce que dans la position de verrouillage du récipient (1), sur le côté supérieur du récipient entre le couvercle de récipient (5) et l'enveloppe de récipient (3), il est prévu au moins une rainure d'étanchéité (17) s'étendant sur le pourtour du récipient (1) et dans lequel au moins une garniture d'étanchéité (18) est disposée dans la rainure d'étanchéité (17).
  12. Récipient selon la revendication 11, caractérisé en ce que l'au moins une garniture d'étanchéité (18) est conçue comme une garniture d'étanchéité métallique et/ou comme une garniture d'étanchéité élastomère.
  13. Récipient selon la revendication 11, caractérisé en ce que dans la position de verrouillage du récipient (1), un élément de compression, en particulier un anneau de compression (19), est monté sur le couvercle de récipient (5) et dans lequel l'élément de compression ou l'anneau de compression (19) comprime l'au moins une garniture d'étanchéité (18) disposée dans la rainure d'étanchéité (17).
  14. Récipient selon l'une des revendications 1 à 13, caractérisé en ce que le récipient (1) est un récipient de transport et/ou de stockage, dans lequel le couvercle de récipient (5) est le couvercle primaire du récipient de transport et/ou de stockage et dans lequel le récipient (1) est fermé ou peut en outre être fermé à l'aide d'un couvercle secondaire disposé au-dessus du couvercle primaire et dans lequel le couvercle secondaire est fixé au récipient (1) de préférence par des liaisons à vis.
  15. Ensemble de récipient comprenant un récipient (1) selon l'une des revendications 1 à 13, caractérisé en ce que le récipient (1) est un bidon rempli d'éléments combustibles brûlés (2) reçu dans un récipient de transport et/ou de stockage, lequel est fermé ou peut être fermé à l'aide d'au moins un couvercle primaire et lequel est fermé ou peut en outre être fermé à l'aide d'un couvercle secondaire disposé au-dessus du couvercle primaire.
EP18178093.3A 2018-06-15 2018-06-15 Récipient destiné à la réception des déchets radioactif et récipient agrégat Active EP3582231B1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP18178093.3A EP3582231B1 (fr) 2018-06-15 2018-06-15 Récipient destiné à la réception des déchets radioactif et récipient agrégat
JP2019094233A JP2019219385A (ja) 2018-06-15 2019-05-20 放射性廃棄物を受容するための容器および容器アセンブリ
RU2019116630A RU2782867C2 (ru) 2018-06-15 2019-05-29 Контейнер для размещения радиоактивных отходов и блок контейнера
ZA2019/03495A ZA201903495B (en) 2018-06-15 2019-05-31 Container for holding radioactive waste
KR1020190068876A KR20190142222A (ko) 2018-06-15 2019-06-11 방사성 폐기물 유지용 용기
CN201910508338.0A CN110606269B (zh) 2018-06-15 2019-06-13 用于容纳放射性废料的容器和容器组件
US16/439,814 US11398320B2 (en) 2018-06-15 2019-06-13 Container for radioactive waste comprising L-shaped grooves for fixedly connecting cover without welds
TW108120626A TWI826465B (zh) 2018-06-15 2019-06-14 用於保存放射性廢棄物之容器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18178093.3A EP3582231B1 (fr) 2018-06-15 2018-06-15 Récipient destiné à la réception des déchets radioactif et récipient agrégat

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EP3582231A1 EP3582231A1 (fr) 2019-12-18
EP3582231B1 true EP3582231B1 (fr) 2020-08-26

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EP (1) EP3582231B1 (fr)
JP (1) JP2019219385A (fr)
KR (1) KR20190142222A (fr)
CN (1) CN110606269B (fr)
TW (1) TWI826465B (fr)
ZA (1) ZA201903495B (fr)

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EP4016550B1 (fr) * 2020-12-17 2024-04-24 GNS Gesellschaft für Nuklear-Service mbH Récipient de réception de déchets radioactifs
CN112591184B (zh) * 2021-02-02 2021-06-08 杭州景业智能科技股份有限公司 一种核工业用棒料碎屑芯块去污封装系统的控制方法

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Publication number Publication date
KR20190142222A (ko) 2019-12-26
TWI826465B (zh) 2023-12-21
ZA201903495B (en) 2022-10-26
RU2019116630A (ru) 2020-11-30
CN110606269A (zh) 2019-12-24
EP3582231A1 (fr) 2019-12-18
US20200161013A1 (en) 2020-05-21
TW202016951A (zh) 2020-05-01
CN110606269B (zh) 2022-09-27
JP2019219385A (ja) 2019-12-26
US11398320B2 (en) 2022-07-26

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