Packaging for the transport and/or storage of radioactive materials includes a lateral packaging body around which an outer radiation protection envelope is disposed, which is made from a plurality of individual annular structures stacked on top of each other. Every structure includes an outer annular wall and a radial heat conductive wall, an outer end of which is secured to the wall, and an inner end of which is in contact with the lateral body. Furthermore, two directly consecutive structures delimit an annular cavity housing at least one radiation protection element, the cavity being closed radially towards the outside by the wall of one or both directly consecutive structures, and axially closed by the radial heat-conducting structure of one and the other of the two structures.
G21F 3/00 - Blindage caractérisé par sa forme physique, p. ex. granulés, ou forme du matériau
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
2.
Storage basket for radioactive materials, having an optimised space requirement and housings with more accurate geometry
A storage basket for radioactive materials, defining housings parallel to each other and each extending along a housing axis parallel to a longitudinal central axis of the basket, the latter including: a plurality of transverse plates, traversed by a plurality of openings; a plurality of housing tubes arranged parallel to the longitudinal central axis of the basket. The housing tubes are arranged in alternation with the transverse plates along the axis, such that the inner lateral surface of each housing is defined, successively along this axis, at least by the inner surface of a first housing tube, the inner surface of one of the openings of a first transverse plate, and the inner surface of a second housing tube.
The invention relates to an assembly (100) comprising a packaging (1) for storage of radioactive materials, as well as the support system (3) thereof, comprising a radiative screen (20) for thermal protection of the ground, this screen comprising at least one air passage (24) providing the communication between a zone (32) for circulation of air for cooling the ground defined under a first face (28) of the screen, and a zone (34) for circulation of air for cooling the bottom of the packaging defined between the second face (30) of the screen and the bottom of the packaging (4). The support system (3) comprises elements (36) for supporting the bottom of the packaging, each projecting from the second face (30) of the radiative screen (20) and extending through the zone (34), and it also comprises bearing elements (38) projecting into the zone (32).
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21F 5/008 - Récipients pour éléments combustibles
4.
STORAGE CONTAINER OF INTERCHANGEABLE CONFIGURATION FOR A CASK FOR TRANSPORTING AND/OR WAREHOUSING RADIOACTIVE MATERIALS
The invention relates to a storage container (1) of interchangeable configuration, which container is intended to be housed in a cask (200) for transporting and/or warehousing radioactive materials, the container comprising, in the longitudinal direction (8), a plurality of successive transverse structures (20), these structures being provided in a number N corresponding to an integer greater than or equal to three, and arranged such that, between at least two transverse structures (20), the container comprises a plurality of devices (30) for spacing the two transverse structures (20) longitudinally, the devices (30) being independent, spaced transversely from one another, and each comprising, in the direction (8), at least two successive elementary spacing members (32a, 32b).
The invention relates to a storage container (1) of interchangeable configuration, the container being intended to be housed in a cask (200) for transporting and/or warehousing radioactive materials, and comprising, in the longitudinal direction (8), a plurality of successive transverse structures (20), the transverse structures (20) being provided in a number N corresponding to an integer greater than or equal to three, and the container being produced by alternation of structural stages (ESi) and of stages (EEi) spacing apart the structural stages, each spacing stage (EEi) being formed by a plurality of longitudinal spacing devices (30), each comprising at least one elementary spacing member (32a, 32b), at least one elementary spacing member (32a) of one of the spacing stages (EEi) having a height (H1) different from the height (H2) of at least one elementary spacing member (32b) of another spacing stage (EEi).
122) from 50% by weight to 90% by weight of a meth(acrylic) monomer M1 comprising only one meth(acrylic) function, and - from 0.1 parts by weight to 5 parts by weight of a polymerisation initiator; and (B) from 35% by weight to 80% by weight of one or more charges comprising at least one boron component and at least one hydrogenated component. The invention also relates to a manufacturing process and to a use of this composite material.
C08L 33/10 - Homopolymères ou copolymères des esters de l'acide méthacrylique
C08L 33/12 - Homopolymères ou copolymères du méthacrylate de méthyle
G21C 11/00 - Blindage structurellement associé avec le réacteur
G21F 1/10 - Substances organiquesDispersions dans des supports organiques
C08L 33/08 - Homopolymères ou copolymères des esters de l'acide acrylique
C09D 4/06 - Compositions de revêtement, p. ex. peintures, vernis ou vernis-laques, à base de composés non macromoléculaires organiques ayant au moins une liaison non saturée carbone-carbone polymérisable en combinaison avec un composé macromoléculaire autre qu'un polymère non saturé des groupes
The invention concerns a packaging for transporting and/or storing radioactive materials, the lateral body (10) of which has a thickness change zone (14) defining a transition surface (16), and comprising a portion (20a) of reduced thickness extending from the transition surface (16) towards a first axial end (10a) of the lateral body, this portion (20a) of reduced thickness comprising an inner surface (24) laterally delimiting a recessed zone (26) of the lateral body, also delimited axially by the transition surface (16). Moreover, the packaging comprises a portion (30) reconstituting the lateral body extending around the longitudinal axis (2), arranged removably in the recessed zone (26), and having an inner surface (34) that laterally delimits a portion of the housing cavity (12) intended to receive the mass of radioactive materials (13).
The invention relates to packaging for the transport and/or storage of radioactive materials, comprising a lateral packaging body (10) around which an outer radiation protection envelope (14) is disposed, which is made from a plurality of individual annular structures (16) stacked on top of each other. Every structure (16) comprises an outer annular wall (24) and a radial heat conductive wall (22), an outer end of which is secured to the wall (24), and an inner end of which is in contact with the lateral body (10). Furthermore, two directly consecutive structures (16) delimit an annular cavity (30) housing at least one radiation protection element (32), said cavity being closed radially towards the outside by the wall (24) of one or both directly consecutive structures (16), and axially closed by the radial heat-conducting structure (22) of one and the other of the two structures (16).
G21F 5/00 - Récipients blindés portatifs ou transportables
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 3/00 - Blindage caractérisé par sa forme physique, p. ex. granulés, ou forme du matériau
9.
STORAGE BASKET FOR RADIOACTIVE MATERIALS, HAVING AN OPTIMISED SPACE REQUIREMENT AND HOUSINGS WITH MORE ACCURATE GEOMETRY
The invention concerns a storage basket (1) for radioactive materials, defining housings (4) parallel to each other and each extending along a housing axis (8) parallel to a longitudinal central axis (6) of the basket, the latter comprising: - a plurality of transverse plates (20), traversed by a plurality of openings (24); - a plurality of housing tubes (26) arranged parallel to the longitudinal central axis (6) of the basket. According to the invention, the housing tubes (26) are arranged in alternation with the transverse plates (20) along the axis (6), such that the inner lateral surface (4a) of each housing (4) is defined, successively along this axis (6), at least by the inner surface of a first housing tube (26), the inner surface of one of the openings (24) of a first transverse plate (20), and the inner surface of a second housing tube (26).
The invention relates to a packaging (1) for the transport and/or temporary storage of radioactive material, comprising a containment envelope (4) defined by a main body (11), the packaging also comprising at least one shock absorber (12) provided with a hollow area (16) in which at least part of an end (8a) of the packaging side body (8) is received, said hollow area being defined by a rigid structure (28) of the shock absorber, comprising an axial part (42) and a peripheral part (44). Furthermore, the packaging comprises radial abutment means (70) cooperating with an axial end of the peripheral part (44) and designed to radially outwardly retain said part (44) in relation to the end of the side body (8), the radial abutment means (70) being radially outwardly arranged in relation to the plurality of elements (50) for attaching the shock absorber.
The invention relates to an assembly (100) comprising: - transport packaging (1) for radioactive materials, the packaging comprising a lateral body (2) and at least one shock-absorbing cover (6), - a base platform (5) delimiting a base surface (10) situated at a distance from each shock-absorbing cover (6); - lifting means (3) for lifting the packaging (1) with respect to the base surface (10) in a vertical superposing direction (12). According to the invention, the lifting means (3) comprise in particular lateral walls, the main portion of which is designed to define a non-zero angle with the superposing direction (12).
A structure for dissipating heat by natural convection, intended for being provided on the periphery of packaging for transporting and/or storing radioactive materials, the structure having two adjacent half-structures each comprising primary fins which are parallel and angled relative to a height direction of the structure, the primary fins of the two half-structures forming, in pairs, fins of the general shape of an inverted V when the packaging is arranged vertically with the bottom thereof oriented downwards.
G21F 5/002 - Récipients pour déchets radioactifs fluides
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/12 - Dispositifs obturateurs pour récipientsDispositions pour leur étanchéité
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
F28D 9/00 - Appareils échangeurs de chaleur comportant des ensembles de canalisations fixes en forme de plaques ou de laminés pour les deux sources de potentiel calorifique, ces sources étant en contact chacune avec un côté de la paroi d'une canalisation
The invention relates to a storage device for storing and/or transporting nuclear fuel assemblies, which includes recesses (2) defined by separating partitions (9) defining first and second recesses (2), the partition comprising: two first walls (22) defining the first and second recesses and made of an aluminium-alloy material which is free of neutron-absorbing elements, and defining therebetween a first inter-wall space (28); two second walls (30) arranged in the first space (28) and made of a material which comprises neutron-absorbing elements, the distance between the inner (36) and outer (34) surfaces of each second wall (30) defining a thickness (e2), and a distance (E) being defined between the outer surface (34) of each second wall and a median partition plane (20), the values meeting the condition 0.1≤e2/E≤0.43.
G21F 5/02 - Récipients blindés portatifs ou transportables avec des dispositions pour l'exposition limitée d'une source radioactive à l'intérieur du récipient
G21F 5/012 - Râteliers pour éléments combustibles dans le récipient
G21C 19/07 - Râteliers de stockagePiscines de stockage
G21C 19/40 - Dispositions pour prévenir l'apparition de conditions critiques, p. ex. pendant le stockage
15.
Cooling element with base for discharging heat from a package
The invention concerns a package for transporting and/or storing radioactive materials. The package comprises a wall element (26) and a cooling element (31, 32) attached to the wall element (26) and protruding from the wall element (26) towards the outside of the package. The cooling element (31, 32) comprises a base (40) and at least one fin (35) rigidly connected to the base (40). The base (40) extends to either side of the fin (35) respectively towards two opposing lateral ends of the base, each of the lateral ends being attached to the wall element (26) via a weld.
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
16.
PACKAGING FOR TRANSPORT AND/OR STORAGE OF RADIOACTIVE MATERIALS WITH IMPROVED CONVECTIVE HEAT EXCHANGE
The invention relates to a packaging for the transport and/or storage of radioactive materials comprising a plurality of structures for heat dissipation by natural convection, each having two half-structures (30a, 30b) comprising parallel primary fins (40a, 40b) inclined with respect to the longitudinal axis (2) of the packaging. The packaging also comprises an outer wall for channelling air (31), located opposite the heat dissipation structures, so as together to form a longitudinal space (33) in which two vortices of cooling air (39) can circulate upwards by convection. In addition, the ratio “R” between the radial separation distance “De” between the outer wall (31) and the apex of the primary fins (40a, 40b), and the width “L” of each half-structure (30a, 30b), is between 0.8 and 1.2.
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
B65D 88/74 - Grands réceptacles comportant des moyens pour le chauffage, le refroidissement, l'aération ou un autre conditionnement du contenu
17.
PACKAGING FOR TRANSPORTING AND/OR STORING RADIOACTIVE SUBSTANCES COMPRISING AN IMPROVED SYSTEM FOR FLUIDIC COMMUNICATION BETWEEN THE INSIDE AND THE OUTSIDE OF THE CONTAINMENT
The invention relates to packaging for transporting and/or storing radioactive substances, comprising several packaging elements (8) together delimiting a containment (4) for the radioactive substances, at least one of the packaging elements having passing through it at least one fluidic communication system (30) having, at the level of an interior surface (40) of the containment, at least one fluid inlet opening (38a, 38b) and, at the level of a fluid outlet (42) from the exterior surface (44) of the packaging element, at least one fluid outlet opening (39), the system being associated with a closure stopper (32) covering the fluid outlet zone (42). According to the invention, the system (30) defines at least two distinct paths (46a, 46ba) for the circulation of fluid between the fluid inlet opening (38a, 38b) and the fluid outlet opening (39).
The invention relates to a packaging (1) for transporting and/or storing radioactive materials having a containment enclosure (4) defined by a closing system (10) attached to a side body (8) with at least one sealing gasket (30) inserted therebetween, the seal being located in an imaginary seal plane (P1) orthogonal to the longitudinal axis (2), and the packaging likewise comprising a head damping cover (12) provided with a hollow area (16) which contains at least one portion of the closing system (10) as well as a head end (8a) of the side body. According to the invention, the hollow area (16) of the cover is partially defined by a peripheral part for diverting a punch (40) having a surface for defining (50) the hollow area (16) and, opposite same, a surface for diverting the punch (56) centred on the longitudinal axis (2) and having a frusto-conical shape or the like.
G21F 5/08 - Amortisseurs de chocs spécialement adaptés à ces récipients
G21F 5/12 - Dispositifs obturateurs pour récipientsDispositions pour leur étanchéité
19.
Device for supporting packaging for transporting/storing radioactive materials, including a shroud for guiding air for cooling the packaging by natural convection
The invention relates to a device (3) for supporting packaging for transporting/storing radioactive materials (1) in a horizontal position, the supporting device including a structural base (10) and structures (12) for supporting the packaging, which structures are supported by the base (10) and project upwards therefrom. According to the invention, the device also includes, located at least in part above the structural base (10), a shroud (30) for guiding air for cooling the packaging by natural convection, the shroud (30) defining a recess (32) which is open towards the top and into which a portion of the packaging is intended to be inserted when the packaging (1) is supported in a horizontal position on the device, the shroud (30) including, at the bottom thereof, at least one opening (34) for allowing cooling air into the recess (32).
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
B60H 1/00 - Dispositifs de chauffage, de refroidissement ou de ventilation
B60P 3/20 - Véhicules adaptés pour transporter, porter ou comporter des charges ou des objets spéciaux pour le transport de marchandises réfrigérées
B61D 3/16 - Wagons de marchandises découverts ou fourgons adaptés au transport de chargements particuliers
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
20.
TRANSPORT AND/OR STORAGE PACKAGING FOR RADIOACTIVE MATERIALS EQUIPPED WITH HEAT DISSIPATION DEVICES PRODUCED IN ONE PIECE
The invention relates to a packaging (1) for transport and/or storage of radioactive materials, comprising a containment enclosure (13) delimited by an inner casing (14), and heat dissipation devices (24) each produced in one piece by casting or by additive manufacturing and comprising: at least one heat conductor (20) arranged in the space (18) between the casings and having a first end rigidly attached to the inner casing (14) of the packaging, radiological protection means (22) being arranged between the heat conductors (20); an element (16a) for reconstituting an outer casing (16), rigidly attached to a second end of the conductor (20) opposite the first end, the reconstituting elements (16a) together forming all or part of said outer casing (16); and at least one outer cooling fin (32) extending outward from the reconstituting element (16a).
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
21.
Basket for transport and/or storage of radioactive materials
A basket (1) for transport and/or storage packaging of radioactive materials. The basket (1) comprises an internal partition (6, 8) having at least one wall (82, 84), and a peripheral partition (10). The wall (82, 84) has two opposing lateral surfaces (81, 85). The peripheral partition (10) interacts with the internal partition (6, 8) to define cells for housing the radioactive materials. The peripheral partition (10) comprises a housing accommodating one end of the at least one wall (82, 84). The housing comprises two opposing lateral housing surfaces (102, 106) and a bottom (104) bringing together the two lateral surfaces (102, 106) of the housing. According to the invention, the basket (1) comprises a tightening element configured to press at least one of the lateral surfaces (81, 85) of the wall against at least one of the lateral surfaces (102, 106) of the housing.
The invention relates to a structure (30) for dissipating heat by natural convection, intended for being provided on the periphery of packaging for transporting and/or storing radioactive materials, the structure having two adjacent half-structures (30a, 30b) each comprising primary fins (40a, 40b) which are parallel and angled relative to a height direction (8) of the structure, the primary fins (40a, 40b) of the two half-structures (30a, 30b) forming, in pairs, fins (44) of the general shape of an inverted V when the packaging is arranged vertically with the bottom (4) thereof oriented downwards.
G21F 5/002 - Récipients pour déchets radioactifs fluides
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
23.
RACKING DEVICE FOR STORING AND/OR TRANSPORTING NUCLEAR FUEL ASSEMBLIES, INCLUDING STAGES WITH DIFFERENTIATED FUNCTIONS
The invention relates to a racking device for storing and/or transporting nuclear fuel assemblies, including first stages (Ei-1, Ei+1) for neutron absorption and thermal conductivity, as well as second stages (E2i) for mechanical strength arranged so as to alternate with the first stages, each first stage (Ei-1, Ei+1) including first and second assemblies having interlacing notches (6a, 6b) made of aluminium alloy including boron, and each second stage (Ei) comprising first and second structures (7a, 7b) stacked in the stacking direction (8) and each made of one or more materials which are free of neutron-absorbing elements, said structures (7a, 7b) being free of notches on the opposite edges thereof in the stacking direction (8).
The invention concerns a package for transporting and/or storing radioactive materials. The package comprises a wall element (26) and a cooling element (31, 32) attached to the wall element (26) and protruding from the wall element (26) towards the outside of the package. The cooling element (31, 32) comprises a base (40) and at least one fin (35) rigidly connected to the base (40). The base (40) extends to either side of the fin (35) respectively towards two opposing lateral ends of the base, each of the lateral ends being attached to the wall element (26) via a weld.
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/008 - Récipients pour éléments combustibles
25.
IMPROVED STORAGE DEVICE FOR STORING AND/OR TRANSPORTING NUCLEAR FUEL ASSEMBLIES
The invention relates to a storage device for storing and/or transporting nuclear fuel assemblies, which includes recesses (2) defined by separating partitions (9) defining first and second recesses (2), the partition comprising: two first walls (22) defining the first and second recesses and made of an aluminium-alloy material which is free of neutron-absorbing elements, and defining therebetween a first inter-wall space (28); two second walls (30) arranged in the first space (28) and made of a material which comprises neutron-absorbing elements, the distance between the inner (36) and outer (34) surfaces of each second wall (30) defining a thickness (e2), and a distance (E) being defined between the outer surface (34) of each second wall and a median partition plane (20), said values meeting the condition 0.1 ≤ e2/E ≤ 0.43.
Packaging for transporting and/or storing radioactive material, comprising a packaging body which defines therein a cavity for housing radioactive material, and at least one shock absorber which is mounted on the outside of the packaging body, which has an outer surface provided with at least one first outer surface and one second outer surface which are separated by an edge that is covered by the shock absorber. The absorber comprises a metal damping structure comprising a first recess having an imaginary straight line extending therethrough, the line passing through both a center of gravity of the packaging and a point on the edge, a second recess arranged so as to face one of the outer surfaces, and a metal wall for absorbing shocks by plastic deformation. The wall is at least 5 mm thick and defines the first and second recesses on either side thereof.
G21F 5/08 - Amortisseurs de chocs spécialement adaptés à ces récipients
G21F 5/015 - Récipients blindés portatifs ou transportables pour le stockage de sources radioactives, p. ex. supports de sources pour unités d'irradiationRécipients pour radio-isotopes
F16F 7/12 - Amortisseurs de vibrationsAmortisseurs de chocs utilisant une déformation plastique de ses organes
B65D 81/05 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu
B65D 81/107 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu utilisant des blocs de matériau amortisseur de chocs
B65D 85/00 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers
27.
DEVICE FOR SUPPORTING PACKAGING FOR TRANSPORTING/STORING RADIOACTIVE MATERIALS, INCLUDING A SHROUD FOR GUIDING AIR FOR COOLING THE PACKAGING BY NATURAL CONVECTION
The invention relates to a device (3) for supporting packaging for transporting/storing radioactive materials (1) in a horizontal position, the supporting device including a structural base (10) and means (12) for supporting the packaging, which means are supported by the base (10) and project upwards therefrom. According to the invention, the device also includes, located at least in part above the structural base (10), a shroud (30) for guiding air for cooling the packaging by natural convection, the shroud (30) defining a recess (32) which is open towards the top and into which a portion of the packaging is intended to be inserted when said packaging (1) is supported in a horizontal position on the device, the shroud (30) including, at the bottom thereof, at least one opening (34) for allowing cooling air into the recess (32).
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
28.
Package comprising improved means of dampening impact between an assembly containing radioactive materials and the cover of the packaging
GNS GESELLSCHAFT FÜR NUKLEAR-SERVICE MBH (Allemagne)
Inventeur(s)
Babinet, Cyril
Pontet, Pierre-Olivier
Abrégé
The invention relates to a package comprising a packaging for storing and/or transporting radioactive materials and an assembly containing radioactive materials (16) housed in a cavity of the packaging closed by a cover (6), the package comprising a system for dampening impact of the assembly against the cover (6), the system comprising at least one deformable dampening device (42) and a loading device (26) of the deformable dampening device. According to the invention, one of the devices (42) is mounted moveable on the cover (6) in a plane orthogonal to the axis (8) of the packaging, and has means (50) of self-centering relatively to the other of the devices (26), provided on the assembly containing the radioactive materials (16).
B65D 85/84 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers pour produits chimiques corrosifs
B65D 85/62 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers pour objets empilésRéceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers pour agencements particuliers de groupes d'objets
G21F 5/08 - Amortisseurs de chocs spécialement adaptés à ces récipients
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21F 5/12 - Dispositifs obturateurs pour récipientsDispositions pour leur étanchéité
B65D 81/02 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques
29.
Assembly including a package for transport of radioactive materials and a package support frame
An assembly (100) including a package for transport of radioactive materials (1) and a package support frame (3), wherein the frame includes: a first portion (14); a second portion (16) which is rigidly attached to the package, wherein the package and this second portion form an entity (18), wherein the first portion and the second portion of the frame (14, 16) are connected to one another by one or more mechanical fusible elements (30) to hold one relative to the other in a first direction of superposition (12) of the package on its frame. The assembly is also configured so that if the assembly falls in the direction (12) with the first portion (14) of the frame pointing forwards, this causes a rupture of the fusible elements (30) allowing a movement of the entity (18) relative to the first portion (14) in direction (12).
A package (100) comprising storage packaging (1) as well as a confinement canister (3) for irradiated fuel, the packaging comprising a lateral body (2) which extends around a longitudinal axis (12) of the packaging and which includes an internal surface (22) which delimits a cavity for housing the canister (3), the packaging furthermore comprising at least one assembly (15) forming a guide rail for the canister in the cavity, mounted on the lateral body (2) and protruding at least partly into the housing cavity (4). According to the invention, the assembly forming a guide rail (15) includes an impact shock absorbing element (28) designed to absorb the shock, by plastic deformation, of a lateral impact between the packaging (1) and the confinement canister (3).
The invention relates to a basket (1) for transport and/or storage packaging of radioactive materials. The basket (1) comprises an internal partition (6, 8) having at least one wall (82, 84), and a peripheral partition (10). The wall (82, 84) has two opposing lateral surfaces (81, 85). The peripheral partition (10) interacts with the internal partition (6, 8) to define cells for housing the radioactive materials. The peripheral partition (10) comprises a housing accommodating one end of the at least one wall (82, 84). The housing comprises two opposing lateral housing surfaces (102, 106) and a base (104) bringing together the two lateral surfaces (102, 106) of the housing. According to the invention, the basket (1) comprises a tightening means configured to press at least one of the lateral surfaces (81, 85) of the wall against at least one of the lateral surfaces (102, 106) of the housing.
The invention relates to packaging (1) for transporting and/or storing radioactive material, comprising a packaging body (1a) which defines therein a cavity (10) for housing radioactive material, and at least one shock absorber (20) which is mounted on the outside of the packaging body, which has an outer surface (12) provided with at least one first outer surface (12a) and a second outer surface (12b) which are separated by an edge (14) that is covered by the absorber (20). Said absorber comprises a metal damping structure comprising a first recess (22) having an imaginary straight line (D1) extending therethrough, said line passing through both a centre of gravity of the packaging and a point on the edge (14), a second recess (28) arranged so as to face one of the outer surfaces (12a, 12b), and a metal wall (30) for absorbing shocks by means of plastic deformation. Said wall is at least 5 mm thick and defines the first and second recesses (22, 28) on either side thereof.
G21F 5/08 - Amortisseurs de chocs spécialement adaptés à ces récipients
B65D 81/05 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu
F16F 7/12 - Amortisseurs de vibrationsAmortisseurs de chocs utilisant une déformation plastique de ses organes
33.
Packaging for transporting and/or storing radioactive materials, including improved means for attaching a shock-absorbing cover
The invention relates to a packaging for transporting and/or storing radioactive materials, comprising a packaging body extending along a longitudinal direction, and further including at least one shock-absorbing cover mounted on one of both longitudinally opposite ends of the packaging body, the absorbing cover comprising attaching portions (44) on said packaging body, each attaching portion defining a clearing hole (58) through which an element (24) screwed in the packaging body passes. According to the invention, the attaching portion (44) has a deformable area (54) which, in the case of an outer bias on the absorbing cover leading to a contact strain between the screwed element (24) and the clearing hole (58), is designed to plastically deform.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
Inventeur(s)
Leoni, Elisa
Thibault, Delphine
Latroche, Michel
Abrégé
This trap for hydrogen, which can be used in particular for the absorption of this gas produced in containers for storing or transporting nuclear organic waste, comprises an active product, divided in powder form and coated in a selective filtration matrix, which is in the form of a thin polymer membrane.
C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène
C01B 3/50 - Séparation de l'hydrogène ou des gaz contenant de l'hydrogène à partir de mélanges gazeux, p. ex. purification
B01J 20/28 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation caractérisées par leur forme ou leurs propriétés physiques
35.
Packaging for transporting and/or storing radioactive material
Packaging for transporting radioactive material (1) comprising a radiation protection structure (4) comprising a shielding portion (5) defining a cavity (2) to house the radioactive material and a portion (7) having the effect of distancing the radioactive material from the outside of the packaging. The distancing-effect portion (7) directly encloses the shielding portion (5). The protection structure (4) has a thickness e associated with a segment (S) connecting a point (B) on the outer surface of the packaging to the center of gravity (G) of the cavity (2). It satisfies for any point (B): e=e1+e2 and 0.05
G21C 19/32 - Appareils pour enlever des objets ou matériaux radioactifs de l'aire de décharge du réacteur, p. ex. pour les porter à un emplacement de stockageAppareils pour manipuler des objets ou matériaux radioactifs à l'intérieur d'un emplacement de stockage ou les extraire de celui-ci
G21C 19/07 - Râteliers de stockagePiscines de stockage
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
G21C 19/19 - Parties de réacteurs spécifiquement adaptées pour faciliter la manipulation, p. ex. pour faciliter le chargement ou le déchargement des éléments combustibles
37.
PACKAGE COMPRISING IMPROVED MEANS FOR SHOCK ABSORBANCE BETWEEN AN ASSEMBLY CONTAINING RADIOACTIVE MATERIALS AND THE COVER OF THE PACKAGING
The invention relates to a package comprising a packaging for the temporary storage and/or transport of radioactive materials, and an assembly containing radioactive materials (16), housed in a cavity of the packaging, which is closed by a cover (6), the package comprising a system for shock absorbance of the assembly against the cover (6), the system comprising at least one deformable absorbance device (42) and a device (26) for actuating the deformable absorbance device. According to the invention, one of the devices (42) is movably mounted on the cover (6) in a plane orthogonal to the axis (8) of the packaging, and has means (50) for self-centring in relation to the other device (26) provided on the assembly containing the radioactive materials (16).
The invention relates to a block of a shock-absorbing protection element consisting of a rigid and fragile carbon foam, said block being provided with structural, superficial or internal irregularities (20), and having sharp-angled edges in the foam to enable the immediate crushing thereof by cracks which extend depth-wise throughout the entire volume thereof, stimulating the fragmentation thereof with foreseeable characteristics. As a variant, the following can be applied: a hardening surface coating (28) filling the outer pores (27) of the foam, lateral play with the envelope, or projections lining the inside of the envelope. The invention applies to shock-absorbing protection elements, which especially cover packagings that may be liable to fall.
G21F 5/08 - Amortisseurs de chocs spécialement adaptés à ces récipients
C04B 35/52 - Produits céramiques mis en forme, caractérisés par leur compositionCompositions céramiquesTraitement de poudres de composés inorganiques préalablement à la fabrication de produits céramiques à base de non oxydes à base de carbone, p. ex. graphite
F16F 7/12 - Amortisseurs de vibrationsAmortisseurs de chocs utilisant une déformation plastique de ses organes
B65D 81/05 - Réceptacles, éléments d'emballage ou paquets pour contenus présentant des problèmes particuliers de stockage ou de transport ou adaptés pour servir à d'autres fins que l'emballage après avoir été vidés de leur contenu spécialement adaptés pour protéger leur contenu des dommages mécaniques maintenant le contenu en position éloignée des parois de l'emballage ou des autres pièces du contenu
39.
ASSEMBLY COMPRISING A PACKAGE FOR TRANSPORTING RADIOACTIVE SUBSTANCES AND A CHASSIS FOR SUPPORTING THE PACKAGE
COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES (France)
Inventeur(s)
Kerr, Benjamin
Victorin, Arnaud
Abrégé
The invention relates to an assembly (100) comprising a package for transporting radioactive substances (1) and a chassis (3) for supporting the package, the chassis comprising: - a first part (14); - a second part (16) secured to the package, the package and this second part forming an entity (18), the first part and the second part of the chassis (14, 16) being connected to one another by one or more mechanically breakable elements (30) so as to ensure that one is held relative to the other in a first direction of superposition (12) of the package on its chassis. Also, the assembly is designed so that a dropping of the assembly in the direction (12) with the first part (14) of the chassis facing forward causes the breakable elements (30) to rupture , allowing the entity (18) to move relative to the first part (14) in the direction (12).
The invention relates to an assembly (100) comprising a package for transporting radioactive substances (1) and a chassis (3) for supporting the package, the chassis comprising: - a first part (14); - a second part (16) secured to the package, the package and this second part forming an entity (18), the first part and the second part of the chassis (14, 16) being connected to one another by one or more mechanically breakable elements (30) so as to ensure that one is held relative to the other in a first direction of superposition (12) of the package on its chassis. Also, the assembly is designed so that a dropping of the assembly in the direction (12) with the first part (14) of the chassis facing forward causes the breakable elements (30) to rupture , allowing the entity (18) to move relative to the first part (14) in the direction (12).
The invention concerns a package (100) comprising a storage container (1) and a containment case for irradiated fuel, the container comprising a lateral body (2) extending around a longitudinal axis (12) of the container and comprising an inner surface (22) delimiting a cavity for housing the case (3), the container further comprising at least one assembly (15) forming a guide rail for guiding the case in the cavity, mounted on the lateral body (2) and at least partially projecting into the housing cavity (4). According to the invention, the assembly forming the guide rail (15) comprises a shock absorbing member (28) designed to damp, via plastic deformation, a lateral impact between the container (1) and the containment case (3).
The invention relates to packaging (2) for transporting and/or storing radioactive substances, comprising thermal-protection means (12) arranged around an external surface of a structural part (10) comprising a closed internal surface (24) delimiting it on the inside. According to the invention, the external surface (14) has at least one thermally sensitive zone (50) that is not covered by the thermal-protection means, the structural part being fitted with heat-conducting means (60) in contact with the internal surface (24) thereof. In addition, the heat-conducting means have a part facing the sensitive zone (50), the thermal conductivity of the heat-conducting means (60) being higher than the thermal conductivity of the structural part (10) in contact with said heat-conducting means.
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
43.
PACKAGING FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS, INCLUDING IMPROVED MEANS FOR ATTACHING A SHOCK-ABSORBING COVER
The invention relates to packaging for transporting and/or storing radioactive materials, including a packaging body extending in a longitudinal direction, and further comprising at least one shock-absorbing cover mounted on one of the two longitudinally opposite ends of the packaging body, the absorbing cover including attachment portions (44) on said packaging body, each attachment portion defining a through-hole (58) through which an element (24) that is screwed into the packaging body passes. According to the invention, the attachment portion (44) has a deformable area (54) which is designed to plastically deform, in the event of exterior stress on the absorbing cover resulting in a contact force between the screwed element (24) and the through-hole (58).
the internal, external and intermediate parts being produced from copper and one of the alloys thereof.
According to the invention, the external part (34) is equipped, at each of its two opposite ends, with an area (36) for connection by welding to another thermal conduction element (20), each connection area (36) being produced from steel.
G21F 5/00 - Récipients blindés portatifs ou transportables
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
F28F 3/00 - Éléments en forme de plaques ou de laminésEnsembles d'éléments en forme de plaques ou de laminés
G21F 5/008 - Récipients pour éléments combustibles
45.
PACKAGING FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIAL
The invention relates to packaging for transporting radioactive material (1), including a radiation protection structure (4) comprising a shielding portion (5) defining a cavity (2) for receiving the radioactive material and a portion (7) that has the effect of distancing the radioactive material from the outside of the packaging. The distancing-effect portion (7) directly encloses the shielding portion (5). The protection structure (4) has a thickness e associated with a segment (S) connecting a point (B) on the outer surface of the packaging to the center of gravity (G) of the cavity (2). Said thickness satisfies, for any point (B): e=e1+e2 and 0.05
The invention concerns a method of loading radioactive elements (8) into a package, comprising the following steps: (a) installing, in a pool, a plurality of radioactive elements (8) in a storage basket (30) provided with radiological protection means (32); (b) extracting, from the pool, the basket (30) loaded with the radioactive elements (8); and (c) loading the basket (30) loaded with the radioactive elements (8) into the package.
The invention relates to a long-term storage device (1) intended to receive a containment case (3) containing radioactive materials, where this device includes a main body (2) having an inner surface delimiting a housing (7).
According to the invention, in an unloaded configuration, in which the containment case containing radioactive materials is absent from the storage device, the latter includes a storage case (9) delimiting a cavity (4) to receive the containment case, where the storage device also includes ventilation means allowing air to circulate between the exterior of the storage device and a space delimited between the inner surface of the main body and the storage case (9).
G21C 19/06 - Moyens pour supporter ou emmagasiner des éléments combustibles ou des éléments de commande
G21F 5/00 - Récipients blindés portatifs ou transportables
G21F 5/12 - Dispositifs obturateurs pour récipientsDispositions pour leur étanchéité
G21F 9/00 - Traitement des matériaux contaminés par la radioactivitéDispositions à cet effet pour la décontamination
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
48.
CONTAINER FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS
The invention relates to a thermal conductor (16) for an inter-wall space (14) of a lateral body of a container (2) for transporting and/or storing radioactive materials, the conductor (16) comprising a member (30) crossing the inter-wall space (14) and a connecting member (32) that bears against one (20) of the internal and external walls of the lateral body, the member (32) having points (36) for fastening to the wall (20) spaced apart from each other along a longitudinal direction of the conductor. According to the invention, the member (32) is split into segments along the longitudinal direction so as to define sections (32a) separated from each other by slits (40) arranged between the fastening points (36), each slit (40) extending through the strut member (30) and defining a closed end of this slit.
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
49.
Container for transporting and/or storing radioactive materials
A removable storage device intended to be housed in a cavity of a form of packaging for transporting and/or storing radioactive materials, including several substructures movable relative to one another, positioned around a longitudinal axis, and defining multiple adjacent recesses for radioactive materials, together with means for deployment of the substructures including actuation means acting by shape collaboration on the substructures through a bearing surface having, in a section according to any plane passing through longitudinal axis, the shape of a segment inclined relative to this axis, such that displacement of actuation means in a first direction parallel to longitudinal axis causes a displacement of the substructures radially towards the exterior relative to longitudinal axis.
B65D 6/26 - Dispositifs pour maintenir dressés les réceptacles pliables
B65D 85/00 - Réceptacles, éléments d'emballage ou paquets spécialement adaptés à des objets ou à des matériaux particuliers
G21F 5/012 - Râteliers pour éléments combustibles dans le récipient
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
B65D 25/00 - Parties constitutives des autres genres ou types de réceptacles rigides ou semi-rigides
50.
THERMALLY CONDUCTIVE ELEMENT ENABLING AN IMPROVEMENT IN THE MANUFACTURE OF PACKAGING FOR THE TRANSPORT AND/OR STORAGE OF RADIOACTIVE MATERIAL
The invention relates to a thermally conductive element (20) for packaging for the transport and/or storage of radioactive materials, including: an inner portion (30) which is to contact a lateral body (14) of the packaging; an outer portion (34) which is to constitute a portion of an outer casing (24) of the packaging and retain radiological protection means (22); an intermediate portion (32) arranged between the inner and outer portions, the inner, outer, and intermediate portions being made of copper or of one of the alloys thereof. According to the invention, the outer portion (34) is provided, at each of the two opposite ends thereof, with an area (36) for connecting to another thermally conductive element (20) by welding, each connection area (36) being made of steel.
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
G21F 5/008 - Récipients pour éléments combustibles
51.
DEVICE FOR TRAPPING FLAMMABLE GASES PRODUCED BY RADIOLYSIS OR THERMOLYSIS IN A CONTAINMENT
A device for trapping flammable gases such as hydrogen comprises active means (3) inside a casing (1) which is closed except for openings which are plugged by filters (2) that normally allow only the gases that are to be trapped to pass through them. The trapping maintains a reduced pressure inside the casing, which continually draws in the gases produced outside. The trap can operate without any maintenance and for long periods of time, even in a completely enclosed environment.
G21C 9/06 - Moyens de prévention de l'accumulation de gaz explosifs, p. ex. recombinateurs
G21C 19/317 - Dispositifs de recombinaison pour produits de dissociation radiolytique
B01D 53/00 - Séparation de gaz ou de vapeursRécupération de vapeurs de solvants volatils dans les gazÉpuration chimique ou biologique des gaz résiduaires, p. ex. gaz d'échappement des moteurs à combustion, fumées, vapeurs, gaz de combustion ou aérosols
B01J 20/06 - Compositions absorbantes ou adsorbantes solides ou compositions facilitant la filtrationAbsorbants ou adsorbants pour la chromatographieProcédés pour leur préparation, régénération ou réactivation contenant une substance inorganique contenant des oxydes ou des hydroxydes des métaux non prévus dans le groupe
C01B 3/00 - HydrogèneMélanges gazeux contenant de l'hydrogèneSéparation de l'hydrogène à partir de mélanges en contenantPurification de l'hydrogène
52.
LONG-TERM STORAGE DEVICE INCLUDING A VENTILATED STORAGE CASE INTENDED TO HOUSE A CONTAINMENT CASE CONTAINING RADIOACTIVE SUBSTANCES
The invention relates to a long-term storage device (1) intended to house a containment case (3) containing radioactive substances, this device comprising a main body (2) having an interior surface delimiting a housing (7). According to the invention, in an unfilled configuration in which the containment case containing radioactive substances is absent from the storage device, the latter comprises a storage case (9) housed in the housing (7) and delimiting a cavity (4) to house the containment case, the storage device also comprising ventilation means allowing air to be circulated between the outside of the storage device and a space delimited between the interior surface of the main body and the storage case (9).
G21C 19/06 - Moyens pour supporter ou emmagasiner des éléments combustibles ou des éléments de commande
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
53.
CONTAINER FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS
The invention relates to a removable storage device (10) to be housed in a cavity of packaging (50) for transporting and/or storing radioactive materials, including a plurality of mutually movable substructures (12) that are arranged about a longitudinal axis (15) of the device and define a plurality of adjacent recesses (14) for said radioactive materials, as well as means (30, 32, 34, 44) for deploying said substructures (12) including actuation means (32, 34) the shapes of which match those of at least one of said substructures (12) of the device and thereby engage via a bearing surface (30, 42) having, along any plane through which said axis (15) passes, a cross-sectional shape of a segment which is inclined relative to said axis (15), such that a movement of said actuation means (32, 34) in a first direction (33, 35) parallel to said axis (15) results in a radial movement of said substructure (12) toward the outside relative to said axis (15).
G21F 5/012 - Râteliers pour éléments combustibles dans le récipient
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
54.
CANISTER FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS, INCLUDING IMPROVED THERMAL CONDUCTION MEANS
The invention relates to a canister (2) for transporting and/or storing radioactive materials, comprising a lateral body (10) defining a cavity (6) for housing the radioactive materials, said cavity extending along a longitudinal axis (8), the body (10) having an internal wall (20) and an external wall (22) between which is defined a space (14) that extends around the axis (8), this space housing radiological protection means (18) and thermal conduction means (16). According to the invention, the thermal conduction means comprise a plurality of thermal conduction elements (31) each defining, therebetween, a hollow (32) extending lengthwise in a conduction direction (36) going from the internal wall (20) to the external wall (22).
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
The invention relates to a pallet (1) for holding drums of radioactive materials (2), the pallet comprising a drum holder (4) having an overall square shape as well as means for nesting with another pallet which extend from the holder and which consist of a single hollow pillar (6) centered on the holder (4).
B65D 19/44 - Éléments ou dispositifs pour placer les objets sur les plates-formes
B65D 21/032 - Réceptacles de forme spéciale ou pourvus de garnitures ou de pièces de fixation, pour faciliter l'emboîtement, le gerbage ou l'assemblage pour empiler des réceptacles les uns au-dessus des autres en position normale ou renversée, p. ex. présentant des éléments verticaux en saillie ou des parties en creux
B65D 77/04 - Objets ou matériaux enfermés dans plusieurs réceptacles disposés les uns dans les autres
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
56.
Storage rack for fresh or spent nuclear fuel assemblies
A storage rack for nuclear fuel assemblies, comprising a rigid structure defining a plurality of adjacent cells, and comprising in each cell a sleeve defining a cavity intended to receive a nuclear fuel assembly, the sleeve having, in cross-sectional orthogonal to the longitudinal direction, a generally polygonal shape whereof the sides are produced using plates made from a neutron-absorbing material. According to the invention, the sleeve also includes: profiles each forming a corner piece, arranged on at least several angles of the generally polygonal cross-section, these profiles serving as a mounting bracket for the plates made of a neutron-absorbing material; and a structure for maintaining the profiles therebetween.
The invention relates to a packaging device (2) for transporting and/or warehousing radioactive products releasing inflammable and/or explosive gases by radiolysis, including canisters (8) for containing the radioactive products, each canister defining an inner storage space that can be accessed via a fill opening, and on which caps (14) are mounted. According to the invention, the device also comprises a structure (10) forming a chamber (12), as well as a communicating means enabling "fluid" communication to be established between the inner storage space and the chamber (12).
A storage space device for the transport and/or storage of nuclear materials, comprising a main structure defining at least one housing intended to contain the nuclear materials and includes a mobile heat conduction structure forming at least one portion of a side outer surface of the storage space device. The mobile structure has at least one mobile heat conduction component mounted on the main structure so as to be displaceable reversibly from a retracted position to a deployed position while moving away from the structure.
G21C 19/00 - Dispositions pour le traitement, pour la manipulation, ou pour faciliter la manipulation, du combustible ou d'autres matériaux utilisés à l'intérieur du réacteur, p. ex. à l'intérieur de l'enceinte sous pression
F26B 21/00 - Dispositions pour l'alimentation ou le réglage de l'air ou des gaz pour le séchage d'un matériau solide ou d'objets
F24F 13/06 - Bouches pour diriger ou distribuer l'air dans des pièces ou enceintes, p. ex. diffuseur d'air de plafond
G21F 5/008 - Récipients pour éléments combustibles
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
F24F 13/14 - Organes de réglage de l'écoulement d'air, p. ex. persiennes, grilles, volets ou plaques directrices mobiles, p. ex. registres à éléments basculants, p. ex. persiennes
59.
METHOD FOR MAKING A PACKAGING FOR TRANSPORTING AND / OR STORING NUCLEAR MATERIAL USING THE WELD SHRINKAGE PHENOMENON
The invention relates to a method for making a packaging (2) for transporting and/or storing nuclear material, said packaging including an inner ferrule (20), an outer ferrule, as well as heat conduction means (16), wherein said method includes: making a substantially circular envelope (22') having at least one longitudinal slot defined by two opposite longitudinal edges (42); welding the opposite longitudinal edges in order to form the outer ferrule, said step being carried out so that the weld shrinkage results in a compression strain of the heat conduction means in a radial direction, and so that each weld bead ensures only the attachment onto one another of the two edges connected by the same.
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
60.
STORAGE RACK FOR FRESH OR SPENT NUCLEAR FUEL ASSEMBLIES
The invention relates to a storage rack (1) for nuclear fuel assemblies, including a rigid structure (2) defining a plurality of adjacent cells (4) and including, in each cell, a sleeve (16) defining a cavity (18) for receiving a nuclear fuel assembly, the sleeve having, in a cross-section orthogonal to the longitudinal direction, a polygonal general form, the sides of which are provided by means of plates (30) made of neutron-absorbing material. According to the invention, the sleeve also comprises: - profiles (22), each forming a corner piece and arranged on at least a plurality of angles for said cross-section having a polygonal general form, said profiles acting as a mounting bracket for the plates made of neutron-absorbing material; and – a means (36) for maintaining the profiles therebetween.
The invention concerns a cask for a canister containing radioactive material, comprising a canister extraction assembly and designed so that it can bring the canister to an extraction position inside the cask housing in which this canister is free of any contact with the inner surface. Also, one of two elements from among a carriage and a support structure of the assembly is provided with a guide ramp cooperating with a ramp follower provided on the other of the two elements, the ramp being designed so that a relative translational movement between the carriage and the structure, in the longitudinal direction of the cask, causes the changeover of the two elements from a drawn-together position to a drawn-apart position, or conversely.
G21F 5/005 - Récipients pour déchets radioactifs solides, p. ex. pour le stockage final
G21C 19/02 - Détails des dispositions pour la manipulation
G21F 5/14 - Dispositifs spécialement adaptés à la manipulation de récipients ou de barils, p. ex. dispositifs de transport
G21F 5/00 - Récipients blindés portatifs ou transportables
G21C 19/00 - Dispositions pour le traitement, pour la manipulation, ou pour faciliter la manipulation, du combustible ou d'autres matériaux utilisés à l'intérieur du réacteur, p. ex. à l'intérieur de l'enceinte sous pression
62.
DEVICE FOR TRANSPORTING AND/OR STORING RADIOACTIVE MATERIALS AND FOR THE CONTROLLED RELEASE OF OXYGEN IN AN ENCLOSED HOUSING
The invention relates to a device (1) for transporting and/or storing radioactive materials (10), that comprises an enclosed housing (8) as well as a system (12, 16) for securing the enclosed housing, wherein said system includes a catalytic means (12) for recombining hydrogen and oxygen into water, provided inside said enclosed housing. According to the invention, the system for securing the enclosed housing further includes a device (16) for the controlled release of oxygen into the enclosed housing (8).
The invention relates overall to a container (1) for long-term storage intended to receive a case (3) containing radioactive material, the container comprising a side body (2) delimiting a cavity (4) to receive the case, the container body being closed at its top end (2a) and at its bottom end (2b) respectively by a removable top cover (6) and by a container base. According to the invention, the container base takes the form of a removable base cover (8), allowing the introduction of the case (3) through the bottom end (2b) of the body (2). The invention also relates to a process for transferring such a case.
The invention relates to a storage device (2) for transporting and/or storing nuclear material, including a main structure (5) defining at least one housing intended to house the nuclear material. According to the invention, the container also includes a mobile heat-conducting structure (8) forming at least part of an outer side surface (7) of the storage device, said mobile structure (8) including at least one mobile heat-conducting element (10) mounted on the main structure (5) such that it can be reversibly moved from a retracted position to a deployed positioned by separating same from the structure (5).
G21F 5/10 - Dispositifs d'évacuation de chaleur spécialement adaptés à ces récipients, p. ex. utilisant une circulation de fluide ou des ailettes de refroidissement
65.
CONTAINER FOR TRANSPORTING AND/OR STORING NUCLEAR MATERIALS, COMPRISING A RADIOLOGICAL SHIELD MADE OF LEAD CAST ONTO A METAL REINFORCEMENT
The invention relates to a container for transporting and/or storing nuclear materials, comprising a lateral body extending along a longitudinal direction (X), this body being equipped with a radiological shield. According to the invention, the radiological shield comprises at least one radiological shielding structure (26) comprising at least one metal reinforcement (30) extending along the direction (X) and married by a block (32) made of lead or one of its alloys, which block is cast onto the reinforcement, the latter being equipped with at least one element (34) for retaining the cast block, along the direction (X). Furthermore, the reinforcement (30) is embedded in the cast block (32) over at least part of its length along this direction (X).
b) further includes a tubular cross-section element (20) inside of which is located said at least one plate (22), this tubular cross-section element (20) being realized in a second material selected from steels and titanium and alloys thereof.
G21C 19/00 - Dispositions pour le traitement, pour la manipulation, ou pour faciliter la manipulation, du combustible ou d'autres matériaux utilisés à l'intérieur du réacteur, p. ex. à l'intérieur de l'enceinte sous pression
G21F 5/00 - Récipients blindés portatifs ou transportables
17 - Produits en caoutchouc ou en matières plastiques; matières à calfeutrer et à isoler
20 - Meubles et produits décoratifs
Produits et services
Transport containers and building materials of metal, steel, aluminum, copper, alloy, and lead, etc, for transport , transfer or storage of radioactive or otherwise hazardous products; metal containers and metal baskets for transport, transfer or storage of radioactive or other wise hazardous products [ Insulation Bags, pockets and covers for transport, transfer or storage of radioactive or otherwise hazardous products ] [ Non-metal containers, namely, non-metal insulated shipping containers and biotainers in the nature of plastic shipping containers for transport, transfer or storage of radioactive or otherwise hazardous products ]
