Abstract:
Assembly including a first volume and a device for connection between the first volume and a second volume, the first volume including a first flange and a first door, and the second enclosed volume including a second flange and a second door, the connection device including a securing and disengaging mechanism intended to secure the first and second doors and to disengage the second door from its flange, the mechanism including a plate mounted on the first door. The assembly also including an immobilisation mechanism for immobilising the plate relative to the first door in a position in the absence of the second door and in another position in the presence of the second door in a state of securing the first and second doors, and unlocking the second door relative to the second flange.
Abstract:
A port assembly (100) is generally disclosed that has an annular port ring (110) configured for placement in a barrier wall (10). The annular port ring (110) defines a port opening (20) extending from a first end (22) to a second end (24) and an annular sealing surface (118) about the port opening (20) on the second end (24). A port cover (120) is mechanically coupleable to the annular port ring (110). The port cover (120) defines an annular mating surface (124) configured to couple to the annular sealing surface (118) of the annular port ring (110). A manually actuatable handle (130) is in mechanical communication with the port cover (120). The handle (130) extends from the first end (22) of the annular port ring (110) away from the second end (24).
Abstract:
Transfer system for sealed enclosure, said sealed enclosure defining a first closed volume and comprising at least one device for sealed connection to a second closed volume, said transfer system being intended to be arranged in said enclosure (E) and to be fixed to a wall thereof, said transfer system comprising at least one arm, a first rotating hinge between the arm intended to be arranged between the arm and said wall of the enclosure, said first rotating hinge comprising a first axis of rotation, a chute and a second rotating hinge between the arm and the chute, said second rotating hinge comprising a second axis of rotation, the chute comprising a docking edge configured to cooperate with the device for sealed connection.
Abstract:
An autonomous facility for storing spent nuclear fuel includes a building forming an enclosed interior space containing a water-filled spent fuel pool. The pool includes fuel racks containing spent fuel assemblies which heat the water via radioactive decay. A passive cooling system includes a submerged heat exchanger in the pool and an air cooled heat exchanger located in ambient air outside the building at a higher elevation than the pool heat exchanger. A heat transfer working fluid circulates in a closed flow loop between the heat exchangers via unpumped natural gravity driven flow to cool the fuel pool. The air cooled heat exchanger may be enclosed in a concrete reinforced silo adjoining the building for impact protection. The building may include a cask pit formed integrally with the pool to allow fuel assembles to be removed from a transport cask and loaded into the fuel rack underwater.
Abstract:
A method is described for providing selective communication between two enclosures. The first enclosure includes a first flange and a first door. The second enclosure includes a second flange and a second door. The method includes performing sequentially the steps of arranging the second flange on the first flange, axially maintaining the second flange on the first flange by snap-fitting, securing the first flange to the second flange, securing the first door to the second door, releasing the first door from the first flange, releasing the second door from the second flange, opening the first door relative to the first flange, closing the first door relative to the first flange, securing the first door to the first flange and securing the second door to the second flange, unlocking the first door from the second door, and separating the first door from the second door.
Abstract:
An assembly for transferring an element from or towards the inside of a closed contaminated enclosure having an opening. The transfer assembly includes a first door closing substantially sealingly the opening of the contaminated enclosure and a transfer box delimiting an enclosed space and having an opening closed by a second door configured to pivot towards the inside of the transfer box, the first door and the second door each having at least one coupling member configured to allow the coupling of the first door and of the second door and configured to allow the first door and the second door, coupled to one another, to pivot towards the inside of the transfer box.
Abstract:
A modularized system for processing, storing and/or disposing of a hazardous waste material is described. In one exemplary embodiment, the modularized system includes a container configured to sealingly contain hazardous waste material; a first cell, the first cell comprising a first area for manipulating the container; and a second cell, the second cell comprising a second area for manipulating the container. The second cell is isolated from the first cell. The first cell is held at a first pressure and the second cell held at a second pressure, the first pressure being less than the second pressure. An interlock couples the first cell to the second cell. The first cell, second cell and interlock are configured to allow the container to be transferred from the first cell to the second cell while maintaining at least one seal between the first cell and the second cell.
Abstract:
A pit gate 15 that is accommodated in a slot 14 and that seals service water retained in a first pit and a second pit in a watertight manner includes a gate main body 21; a sealing member 22 that is provided on a surface opposite to the slot 14 in a gate main body 21 and that seals between the gate main body 21 and the slot 14 in a watertight manner; and an upper pressing clamp 23, an intermediate pressing clamp 24, and a lower pressing clamp 25 that are provided in the gate main body 21 and that moves gate main body 21 toward the sealing member 22 side due to the weight of the gate main body 21 itself.
Abstract:
A containment device including a curtain that can be deployed from a first wound or folded position into a second unwound position, and a case for storing the curtain in the first position. The case is formed by a plurality of adjacent modules, the plurality of modules including active modules that are equipped with means for retaining and releasing the curtain and passive modules that are not equipped with means for retaining and releasing the curtain.
Abstract:
Mechanism for controlling a device for sealingly connecting an enclosure and a container, with the enclosure comprising a door (10) and the container comprising a door (14), with the door (10) of the enclosure containing the control mechanism (D), with that comprising a male element (34) cooperating with a recess of the door (14) of the container, with this male element (34) being rotatably movable about and translatably movable along a longitudinal axis (X) and is capable of being accommodated in the recess of the door (14), of locking the two doors (10, 14) together and of unlocking the door (14) of the container.