Abrégé

The invention relates to an ion exchange resin treatment system (10) for treating radioactively polluted ion exchange resin waste, where a supercritical water oxidation reactor (12) is connected on the inlet side to an air supply means, to a waste supply means, to a fuel supply means and to a water supply means (28), and an ion exchange resin comminution system (24) is connected upstream of the waste supply means, said system comminuting an ion exchange resin substrate until the ion exchange resin for comminution has a particle size below a specified ion exchange resin particle size, and the comminuted ion exchange resin is supplied to the waste supply means, and the supercritical water oxidation reactor (12) is connected on the outlet side to a separator device (38), where the separator device (38) separates the gas-liquid mixture obtained from the supercritical water oxidation reactor (12) into the respective phase, and a segregated gas is provided at a gas exit element and a segregated liquid at a liquid exit element, and where a control means regulates at least the supercritical water oxidation reactor (12), the air supply means, the waste supply means, the fuel supply means and the water supply means. The invention also relates to a method for treating radioactively polluted ion exchange resin waste.

Classes IPC  ?

• G21F 9/14 - Traitements par incinérationTraitements par calcination, p. ex. dessiccation
• G21F 9/12 - Traitements par absorptionTraitements par adsorptionTraitements par échange d'ions
• G21F 9/00 - Traitement des matériaux contaminés par la radioactivitéDispositions à cet effet pour la décontamination
• G21F 9/30 - Traitements
• G21F 9/32 - Traitements par incinération
• B01F 27/90 - Mélangeurs à agitateurs tournant dans des récipients fixesPétrins avec des agitateurs tournant autour d'un axe sensiblement vertical avec des palettes ou des bras
• C02F 11/08 - Oxydation par air humide

Abrégé

A steam boiler liquid separator having a plurality of liquid separator segments connected together to form a shaft disposed inside a pipe section, with swirl vanes disposed around the shaft. The liquid separator segments each include a shaft segment connected to a pipe segment by a swirl vane such that the shaft segment is disposed radially inward from the pipe segment.

Classes IPC  ?

• F22B 37/32 - Dispositifs séparateurs de vapeur employant la force centrifuge
• B01D 45/16 - Séparation de particules dispersées dans des gaz ou des vapeurs par gravité, inertie ou force centrifuge en utilisant la force centrifuge produite par le mouvement hélicoïdal du courant gazeux
• B04C 3/00 - Appareils dans lesquels la direction axiale du tourbillon ne change pas
• F22B 1/16 - Méthodes de production de vapeur caractérisées par le genre de chauffage par exploitation de l'énergie thermique contenue dans une source chaude la source chaude étant un liquide chaud ou une vapeur chaude, p. ex. un liquide résiduel, une vapeur résiduelle
• F22B 37/26 - Dispositifs séparateurs de vapeur

Abrégé

The invention relates to a steam boiler liquid separator (10) for a steam boiler (60) through which steam flows vertically, wherein a number of swirl vanes (26) are arranged around a shaft in a pipe section. Each swirl vane (26) is connected to the pipe section, the swirl vanes (26) being shaped such that a steam flow through the pipe section, in addition to its longitudinal motion, is set into rotational motion through the pipe section. The pipe section also has a plurality of pipe segments (30). A shaft also has a plurality of shaft segments (28), and each swirl vane (26) is connected to one pipe segment (30) and to one shaft segment (28) to form a liquid separator segment (12, 14, 16, 18). Finally, the shaft segments (28) are connected to a shaft segment holder (20) in a releasable and form-fitting manner, and the shaft segments (28) are held by the form-fitting connection in their position as envisaged by the design. The invention also relates to a method for producing the steam boiler liquid separator.

Classes IPC  ?

• F22B 37/26 - Dispositifs séparateurs de vapeur
• F22B 37/32 - Dispositifs séparateurs de vapeur employant la force centrifuge

Abrégé

The invention relates to a reactor pressure vessel cooling system (10, 50, 60, 70) of a nuclear plant having a closed safety vessel (12), wherein a reactor pressure vessel (14) is arranged within the safety vessel (12). In addition, a cooling medium collection region (20) for receiving a cooling medium is arranged within the safety vessel (12), and there is so much cooling medium between the safety vessel (12) and the reactor pressure vessel (14) that the reactor pressure vessel (14) is surrounded at least in part by cooling medium. Furthermore, a pump apparatus (24) is arranged in the safety vessel (12), which pump apparatus is completely immersed in the cooling medium, and cooling medium is supplied to a nozzle apparatus by the pump apparatus (24). The nozzle apparatus has a number of cooling medium nozzles and the cooling medium nozzles are arranged such that a forced flow of cooling medium is produced in the cooling medium of the cooling medium collection region by the cooling medium flowing through the cooling medium nozzles, which forced flow of cooling medium flows against a surface region of the reactor pressure vessel.

Classes IPC  ?

• G21C 15/18 - Dispositions pour le refroidissement d'urgenceMise hors circuit de la chaleur

Abrégé

The invention relates to a pump device (50) for conveying a contaminated liquid by means of a pump which is driven by a hydraulic drive, said hydraulic drive being driven by a drive liquid and the pump and the hydraulic drive being connected mechanically. In addition, a pump shaft of the pump and a hydraulic drive shaft of the hydraulic drive are mounted by means of plain bearings (62, 64, 66, 100, 102). The drive liquid is a lubricating medium for the plain bearing (62, 64, 66). Drive liquid is thus carried to the plain bearings (62, 64, 66, 100, 102) by at least one lubricating medium conduit (78, 80) and the drive liquid, after flowing through the sliding bearings (62, 64, 66, 100, 102), can be conducted out of the pump device.

Classes IPC  ?

• F04D 13/04 - Ensembles comprenant les pompes et leurs moyens d'entraînement la pompe étant entraînée par un fluide
• F04D 7/08 - Pompes adaptées à la manipulation de liquides particuliers, p. ex. par choix de matériaux spéciaux pour les pompes ou pièces de pompe du type centrifuge les fluides étant radioactifs
• F04D 29/047 - Paliers hydrostatiquesPaliers hydrodynamiques
• F04D 29/06 - Lubrification
• F04D 29/10 - Joints d'étanchéité pour arbre

Abrégé

The present disclosure relates to a drilling instrument for machining tubes in tube sheets of heat exchangers in a radioactive environment, comprising a transport device having clamping elements and having a drilling device with clamping fingers, which are arranged in each case on a common first side. The transport device and the drilling device are connected to a support device having a support plate on which a resting plate of the drilling device rests. In addition, the support plate is connected to the resting plate by way of at least one movable connecting element, and the resting plate is connected to the support plate in a play-free manner in a first position of the connecting element, wherein the resting plate exhibits predefinable play with regard to the carrier plate in a second position of the connecting element.

Classes IPC  ?

• B23B 41/10 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser des trous dans des chaudières à vapeur
• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur
• G21C 19/02 - Détails des dispositions pour la manipulation

Abrégé

The present disclosure relates to a drilling device for machining tubes in tube sheets of heat exchangers in a radioactive environment. A retaining plate is clampable in the tubes with at least two retaining fingers on a first side and a first drive, which drives a tool shaft, is arranged on a second side. A tool chuck on a first end side of the tool shaft is connected detachably to the latter, wherein a forward feed of the tool shaft is brought about by a feed device. In addition, the tool chuck is unlockable from the tool shaft by way of an unlocking instrument and the unlocking instrument is controllable by a remote-control device.

Classes IPC  ?

• B23B 41/00 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet
• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur
• B23B 31/26 - Mandrins de serrage caractérisés par le système de commande à distance des moyens de serrage utilisant des transmissions mécaniques dans la broche de travail
• B23B 41/10 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser des trous dans des chaudières à vapeur

Abrégé

The invention relates to a drilling device (10) for the machining of tubes on tube bases of heat exchangers in a radioactive environment. A holding plate (12) can be clamped in the tubes on a first side with at least two retaining fingers (16), and a first drive (30) is arranged on a second side, which drives a tool shaft (57). A tool chuck on a first front side of the tool shaft (57) is detachably connected to said tool shaft, wherein an advance of the tool shaft (57) is caused by an advancing device (20, 24, 46, 48, 50, 26). In addition, an unlocking device (34, 36, 38) can unlock the tool chuck from the tool shaft (57), said unlocking device (34, 36, 38) being controllable with a remote control device.

Classes IPC  ?

• B23B 41/00 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet
• B23B 41/10 - Machines ou dispositifs à aléser ou à percer spécialement adaptés à un travail particulierAccessoires spécialement conçus à cet effet pour aléser des trous dans des chaudières à vapeur
• B23B 31/26 - Mandrins de serrage caractérisés par le système de commande à distance des moyens de serrage utilisant des transmissions mécaniques dans la broche de travail
• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur

Abrégé

The invention relates to a drilling apparatus (10) for working on tubes (66) on tube sheets (64) of heat exchangers in a radioactive environment, comprising a transport device (12) with clamping elements (18, 24), and a drilling device (16) with clamping fingers (30), the clamping elements and clamping fingers all being arranged on a common first side. For this purpose, the transport device (12) and the drilling device (16) are connected to a supporting device (14). The supporting device (14) includes a supporting plate (50) on which a supported plate (28) of the drilling device (16) rests. Furthermore, the supporting plate (50) is connected to the supported plate (28) by means of at least one movable connecting element (62), in a first position of which (62) the supported plate (28) is connected to the supporting plate (50) without play and in a second position of which (62) the supported plate (28) has a given play in relation to the support plate (59).

Classes IPC  ?

• G21C 17/013 - Véhicules d'inspection
• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur

Abrégé

The disclosure relates to a clamping apparatus for fixing in a recess of a component and for holding a workpiece carrier against the component. The clamping apparatus includes a housing for attachment to the workpiece carrier and a clamping sleeve for insertion into the recess. A clamping mandrel is at least partially disposed inside the clamping sleeve. The clamping mandrel is movable relative to the clamping sleeve between a release position and a clamp position. When the clamping sleeve is inserted into the recess and the clamping mandrel is in the clamp position, the clamping sleeve is braced within the recess by a holding force so as to be in a clamped position. When the clamping sleeve is in the clamped position, the housing is movable relative to the clamping mandrel, which permits the housing to move the workpiece carrier into contact with the component and apply a bearing force thereagainst.

Classes IPC  ?

• B23B 31/40 - Mandrins extensibles
• B25B 5/06 - Dispositions pour transmettre le mouvement aux mâchoires
• B25B 5/08 - Dispositions pour transmettre le mouvement aux mâchoires utilisant des cames

Abrégé

The invention relates to a nuclear facility pool cleaning device having a floating platform, capable of floating in water, having buoyancy bodies; a drive device for displacing the floating platform on the surface of a water-filled nuclear facility pool to be cleaned; a winching device connected to the floating platform; a pump which is winchable vertically by the winching device and has a vacuum hose, connected thereto at its first end, for cleaning the bottom of the nuclear facility pool; a remote control device for remotely operating at least the drive device and the winching device; an optional stationary external storage tank; and wherein the second end of the vacuum hose preferably leads at least indirectly into the stationary external storage tank.

Classes IPC  ?

• G21C 17/01 - Inspection des surfaces internes des enceintes
• B01D 21/24 - Mécanismes d'alimentation ou d'évacuation pour bacs de décantation
• G21C 19/07 - Râteliers de stockagePiscines de stockage
• E02F 3/88 - DraguesEngins de terrassement entraînés mécaniquement avec des aménagements agissant par effet d'aspiration ou de refoulement, p. ex. dragues suceuses
• G21F 9/28 - Traitement des solides
• G21F 9/34 - Moyens de se débarrasser des résidus solides
• 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

Abrégé

The invention relates to a fuel element storage pool cooling module (10, 20, 48), comprising a column-like cooling element (12, 22) with a plurality of cooling tubes (28) provided preferably along the axial extent thereof, a cooling element head (14, 24) at the first axial end of the cooling element (12, 22) and a cooling element foot (16, 26) at the second axial end of the cooling element (12, 22), a first (30) and a second (32) joint connecting space, into which the first and second ends of the cooling tubes (28) open, and one connection element (34, 36) each for the first connecting space (30) and the second connecting space (32). The outer geometry of the fuel element storage pool cooling module (10, 20, 48) is at least substantially modelled on the outer geometry of a fuel element (46). The invention also relates to a fuel element storage pool cooling system (40), comprising at least one fuel element storage rack (42, 64, 66) with storage spaces (44, 68) for accommodating fuel elements (46), and at least one fuel element storage pool cooling module (10, 20, 48) according to the invention which is arranged in one of the storage spaces (44, 68) for accommodating fuel elements (46).

Classes IPC  ?

• G21C 19/07 - Râteliers de stockagePiscines de stockage
• G21C 19/08 - Moyens pour le chauffage des éléments combustibles avant leur introduction dans le cœurMoyens pour le chauffage ou le refroidissement des éléments combustibles après leur extraction du cœur
• G21C 19/40 - Dispositions pour prévenir l'apparition de conditions critiques, p. ex. pendant le stockage

Abrégé

The invention relates to an ion exchanger resin crushing apparatus (10), comprising a tank (12) for receiving an aqueous ion exchanger resin suspension (14), a stirring device (16), provided in the tank (12), a grinding device (20), provided outside the tank (12), and a pumping device (22), for transporting the aqueous ion exchanger resin suspension (14) from the tank (12) to the grinding device (20). Provided in the tank (12) is a pre-crushing device (24). The invention also relates to an ion exchanger resin crushing process that uses an ion exchanger resin crushing apparatus according to the invention.

Classes IPC  ?

• G21F 9/30 - Traitements
• B01F 7/18 - Mélangeurs à agitateurs tournant dans des récipients fixes; Pétrins avec agitateurs tournant autour d'un axe vertical à pales ou à bras
• B01F 13/10 - Installations pour effectuer des mélanges comprenant des combinaisons de mélangeurs de types différents
• G21F 9/12 - Traitements par absorptionTraitements par adsorptionTraitements par échange d'ions

Abrégé

The invention relates to a reactor pressure relief filter system (10), comprising an interior space (14) hermetically enclosed by a pressure-resistant reactor jacket (12), at least one pressure relief opening (16) through the reactor jacket (12), a dry filter (18) for a mass gas flow (20, 46, 48) which escapes from the pressure relief opening (16) in case of excess pressure in the interior (14), wherein the filter efficiency depends on both the mean dwell time of the mass gas flow (20, 46, 48) in the dry filter (18) and the temperature interval of the mass gas flow (20, 46, 48) at the respective dew point, and a flow channel (22, 44) for connecting the pressure relief opening (16) and the dry filter (18). In the flow channel (22, 44), a passive orifice (24, 42) is provided upstream of the dry filter (18) for fluidic reasons. The invention also relates to a corresponding method for dimensioning the orifice (24, 42) and the dry filter (18).

Classes IPC  ?

• G21C 9/004 - Suppression de la pression
• G21C 9/008 - Suppression de la pression par des disques ou des diaphragmes de rupture
• B01D 53/68 - Halogènes ou composés halogénés
• G21C 13/02 - Enceintes sous pressionEnceintes d'enveloppeEnveloppes en général Détails
• G21F 9/02 - Traitement des gaz

Abrégé

A steam generator heating tube repair sleeve has an encircling flange, conical region, and a straight region. The encircling flange merges into a conical region that tapers on the outside in the direction of the other sleeve end and which is adjoined to the straight region. A steam generator heating tube repair method is used to repair a steam generator heating tube that is installed in a steam generator having a defective tube end. The method includes conical milling out of the defective tube end, inserting a steam generator heating tube repair sleeve into the conically milled-out defective tube end, rolling in the steam generator heating tube repair sleeve, and welding the flange region.

Classes IPC  ?

• F16L 55/18 - Accessoires de réparation des tuyaux
• F16L 55/163 - Dispositifs pour aveugler les fuites dans les tuyaux ou manches à partir de l'intérieur du tuyau une bague, une bande ou un manchon étant pressés contre la surface intérieure du tuyau
• F16L 55/165 - Dispositifs pour aveugler les fuites dans les tuyaux ou manches à partir de l'intérieur du tuyau par introduction d'un tuyau dans la section endommagée
• F28F 11/02 - Dispositions pour étancher les fuites des tubes ou des canalisations utilisant des éléments d'obturation, p. ex. des rondelles, insérés et actionnés indépendamment l'un de l'autre
• F22B 37/10 - Tubes d'eauAccessoires à cet effet
• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur
• B21D 39/06 - Utilisation de procédés permettant d'assembler des objets ou des parties d'objets, p. ex. revêtement par des tôles, autrement que par placageDispositifs de mandrinage des tubes des tubes dans des ouvertures
• B23P 15/26 - Fabrication d'objets déterminés par des opérations non couvertes par une seule autre sous-classe ou un groupe de la présente sous-classe d'échangeurs de chaleur
• B23P 6/04 - Réparation de pièces ou de produits métalliques brisés ou fissurés, p. ex. de pièces de fonderie

Abrégé

A steam generator heating tube repair sleeve has an encircling flange, conical

region, and a straight region. The encircling flange merges into a conical
region
that tapers on the outside in the direction of the other sleeve end and which
is
adjoined to the straight region. A steam generator heating tube repair method
is
used to repair a steam generator heating tube that is installed in a steam
generator having a defective tube end. The method includes conical milling out
of
the defective tube end, inserting a steam generator heating tube repair sleeve

into the conically milled-out defective tube end, rolling in the steam
generator
heating tube repair sleeve, and welding the flange region.

Classes IPC  ?

• B23P 6/00 - Remise en état ou réparation des objets
• F22B 37/06 - Carneaux ou tubes de fuméesAccessoires à cet effet, p. ex. garnitures de fixation des tubes de fumées

Abrégé

The invention relates to a drilling instrument (10) for machining tubes (66)
in tube
sheets (64) of heat exchangers in a radioactive environment, having a
transport
device (12) having clamping elements (18, 24) and having a drilling device
(16)
having clamping fingers (30), which are arranged in each case on a common
first
side. The transport device and the drilling device are connected to a support
device
(14). The support device has a support plate (50) on which a resting plate
(28) of the
drilling device rests. The support plate is connected to the resting plate by
at least
one movable connecting element (62). The resting plate is connected to the
support
plate in a play-free manner in a first position of the connecting element,
wherein the
resting plate exhibits predefinable play with regard to the carrier plate in a
second
position of the connecting element.

Classes IPC  ?

• F22B 37/00 - Détails ou parties constitutives des chaudières à vapeur
• G21C 17/013 - Véhicules d'inspection