EP0187557B1 - Übergabevorrichtung mit zweifacher dichter Barriere zwischen einem Behälter und einem Hüllengehäuse - Google Patents

Übergabevorrichtung mit zweifacher dichter Barriere zwischen einem Behälter und einem Hüllengehäuse Download PDF

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Publication number
EP0187557B1
EP0187557B1 EP85402251A EP85402251A EP0187557B1 EP 0187557 B1 EP0187557 B1 EP 0187557B1 EP 85402251 A EP85402251 A EP 85402251A EP 85402251 A EP85402251 A EP 85402251A EP 0187557 B1 EP0187557 B1 EP 0187557B1
Authority
EP
European Patent Office
Prior art keywords
chamber
container
door
enclosure
opening
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP85402251A
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English (en)
French (fr)
Other versions
EP0187557A1 (de
Inventor
Robert Lorenzelli
Pierre Dabernard
Christian Maire
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Orano Cycle SA
Original Assignee
Compagnie Generale des Matieres Nucleaires SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Compagnie Generale des Matieres Nucleaires SA filed Critical Compagnie Generale des Matieres Nucleaires SA
Publication of EP0187557A1 publication Critical patent/EP0187557A1/de
Application granted granted Critical
Publication of EP0187557B1 publication Critical patent/EP0187557B1/de
Expired legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/005—Shielded passages through walls; Locks; Transferring devices between rooms
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F7/00—Shielded cells or rooms
    • G21F7/04—Shielded glove-boxes
    • G21F7/047—Shielded passages; Closing or transferring means between glove-boxes

Definitions

  • the present invention due to the collaboration of Messrs. Dabernard and Mayor of the company USSI and of Mr. Lorenzelli of COGEMA, relates to a device making it possible to carry out the transfer of a product or any material, in one direction or in the other, between a container used for example for transporting or storing the product in a so-called clean zone and a containment enclosure constituting a work zone, this device permanently providing a double waterproof barrier between these zones in order to avoid any contamination of the clean area.
  • Transfer devices of this type can be used in all cases where an enclosure is used to confine an area contaminated by material divided in the microscopic state.
  • this zone can be a radioactive zone.
  • it can contain toxic products.
  • the invention applies equally to these different fields of activity.
  • Such a device is however insufficient in certain applications, because it constitutes a simple waterproof barrier which does not always provide sufficient security. In addition, it is not suitable for systematic handling and it does not allow monitoring of the maintenance of containment.
  • the present invention specifically relates to a transfer device between a container and a containment providing a double waterproof barrier while being designed in a particularly simple and easy to implement.
  • the movable wall comprises a skirt, one end of which defines the first opening of the airlock, the first and second openings of the airlock being arranged opposite one another along a common axis, the skirt being movable parallel to this axis and connected to the walls of the airlock and the enclosure by sealing means constituted in particular by a bellows.
  • handling means can be provided respectively inside the airlock and the containment.
  • a ventilation / filtration circuit communicates with the airlock and comprises means for controlling the internal atmosphere of the airlock and, consequently, the seal between the zones.
  • FIG. 1 There is shown at the top of FIG. 1 a part of a confinement enclosure 10 delimited by a metallic internal wall 12 lined with a concrete biological protection envelope 14.
  • the enclosure 10 can in particular be an enclosure in which one or more operations are carried out on a radioactive product.
  • these operations may constitute stages in the manufacture of nuclear fuels intended to supply nuclear reactors.
  • the radioactive product to be introduced into the enclosure 10 is contained in a jar 16, itself contaminated.
  • This jar 16 is placed in a container 18 which is in a storage and distribution cell 20 placed below the part of the enclosure 10 shown in the figure and constituting a clean, uncontaminated area.
  • the cell 20 has the form of a gallery which can communicate via transfer devices 28 with double sealed barrier in accordance with the invention with several confinement enclosures such as speaker 10. These speakers do not then try no communication between them and are used to perform different stages of fuel fabrication.
  • the storage and handling of the container 18 inside the cell 20 are carried out in the embodiment shown in Figure 1 using a device commonly called stacker crane 22 comprising trays 24 on which the containers are stored 18.
  • This device 22 can move on rails 26 to bring any of the containers 18 opposite a transfer device with a double sealed barrier 28 according to the invention, in order to transfer this container into the enclosure 10 which overhangs the cell 20 at this location.
  • this transfer device 28 mainly comprises a transfer lock 30, the metal wall 32 of which constitutes a protrusion from the wall 12 of the enclosure 10 which projects downwards as far as the top of the cell 20, crossing a passage 34 formed in the concrete floor 14a completing the envelope 14 of the confinement enclosure 10.
  • the horizontal lower part of the wall 32 of the airlock 30 comprises a flange 36 defining a circular opening 38 normally closed by a door 40.
  • the part of the wall 32 of the airlock 30 passing through the passage 34 is substantially cylindrical and disposed vertically above the opening 38. It supports, by means of a guide bearing 42, a cylindrical skirt 44 movable according to its vertical axis which coincides with the axis of the opening 38.
  • the upper end of the skirt 44 which is inside the confinement enclosure 10, is tightly connected to the lower wall 12 of the latter by a sealing bellows 46.
  • the skirt 44 defines an opening 47 normally closed by a door 48.
  • a first sealing barrier is established between the enclosure 10 and the airlock 30 by the skirt 44, the bellows 46 and the door 48, while a second sealing barrier is formed between the airlock 30 and the cell 20 by the door 40.
  • the container 18 also constitutes an element of the transfer device according to the invention. To this end, the container 18 comprises an envelope 50, the upper end of which comprises an opening 52 normally closed by an external door 54 and by an internal door 56.
  • locking means (not shown) unlockable from a distance prevent any accidental opening of one any of the doors.
  • the container 18 is brought from the tray 24 to below the door 40 of the airlock, so that its vertical axis is coincident with that of the door 40.
  • This operation is accomplished for example by means of a fork such as 58 belonging to the stacker crane device 22.
  • the container 18 is located above a lifting mechanism 60 controlled by a motor 62.
  • the implementation of the lifting mechanism 60 has the effect of coming to dock the upper edge of the envelope 50 of the container against the lower edge of the flange 36 and, simultaneously, the outer door 54 of the container against the cap 40 of the airlock.
  • this displacement of the skirt 44 has the effect of bringing the lower rim of the latter to bear on the upper edge of the envelope 50 of the container.
  • the door 48 which closes the lower end of the skirt is approached on the inner door 56 of the container.
  • this operation is accomplished, in the embodiment shown, using a vertical pole 66 disposed along the vertical axis of the skirt 44. The end bottom of this pole 66 is secured to the skirt 44 for example using latches 68.
  • locking means are used both to secure these two parts and to simultaneously secure the doors 48 and 56.
  • These locking means which are also controlled by the pole 66, can in particular be produced in accordance with the teachings of the French patent application entitled “Device for the sealed connection of two speakers” filed by the applicant on the same day as this application.
  • the lower end of the pole is then disconnected of the skirt 44 and the double door 67 constituted by the assembled doors 48 and 56 is raised up to the confinement enclosure 10.
  • a horizontal manipulator 70 placed inside the confinement enclosure 10 then grasps the double door to place it on a suitable support 72 arranged laterally with respect to the vertical passage formed by the skirt 44.
  • the jar 16 is then brought into the enclosure 10 by a new rise of the pole 66 followed by a new implementation of the horizontal manipulator 70 which comes to deposit the contaminated jar 16 on a support 74 provided for this purpose inside the enclosure 10.
  • a ventilation / filtration circuit 76 communicating with the airlock 30 makes it possible to constantly renew the atmosphere contained inside of it by means of a pump. 78 and, where appropriate, to filter this atmosphere by means of a battery of filters 80.
  • a device 82 for controlling contamination is placed in circuit 76. This device makes it possible to control the evolution of possible contamination of the airlock 30 resulting from a failure of the watertight barrier formed between it and the confinement enclosure 10.
  • Cascade depressions are provided from cell 20 (at atmospheric pressure) to the confinement enclosure 10.
  • the enclosure 10 is in depression relative to the airlock 30, which is itself in slight depression by compared to cell 20.
  • the invention is not limited to the embodiment which has just been described by way of example, but covers all its variants.
  • the skirt 44 carrying the door 48 separating the airlock from the confinement enclosure can be replaced by any movable member making it possible to move this door 48 between a position in which it is spaced from the door 40 and a position in which it comes to dock the door 56 of the container, while maintaining the seal between the airlock and the enclosure.
  • the handling means making it possible to lock and unlock the two sealed double door transfer systems used in the device according to the invention can be constituted by any known means capable of being handled remotely.
  • this manipulation can be done either by mechanisms arranged inside the airlock and the enclosure and controlled from the outside, as in the variant described, or by gloves or equivalent systems invaginated in the walls of the airlock and the enclosure and making it possible to directly manipulate the locking systems of the double doors without breaking the seal.
  • This remark also applies to the device making it possible to move the skirt 44 (or the movable member which corresponds to it) between its two extreme positions.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Closures For Containers (AREA)
  • Warehouses Or Storage Devices (AREA)
  • Ventilation (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)
  • Manipulator (AREA)

Claims (7)

1. Übergabevorrichtung mit zweifacher dichter Barriere zwischen einem Behälter (18) und einem Hüllengehäuse (10), gekennzeichnet durch folgende Merkmale:
- eine Übergabeschleuse (30), enthaltend eine erste Öffnung (47), die in das Hüllengehäuse mündet, und eine zweite Öffnung 38, die aus der genannten Umhüllung herausführt, wobei die erste Öffnung (47) und die zweite Öffnung (38) normalerweise durch eine erste Tür (48) bzw. eine zweite Tür (40) verschlossen sind;
- der genannte Behälter (18) enthält eine Öffnung (52), die durch eine äußere Tür (54) und durch eine innere Tür (56) verschlossen sind und er kann sich dicht auf die zweite Öffnung (38) der Schleuse auflegen, um die Öffnung mit dem Behälter in Verbindung zu bringen, nachdem eine erste Doppeltür (65) angehoben wird, die von der äußeren Tür (54) des Behälters und durch die zweite Tür (40) der Schleuse gebildet wird;
- eine bewegliche Wand (44), die mit der Schleuse und dem Hüllengehäuse gemeinsam ist, weist die erste Öffnung (47) der Schleuse auf und deren Bewegung erlaubt es, letztere dicht auf die Öffnung (52) des Behälters aufzulegen, nachdem die erste Doppeltür angehoben ist, um den Behälter mit dem Hüllengehäuse in Verbindung zu bringen, nachdem eine zweite Doppeltür (67), die von der inneren Tür (56) des Behälters und durch die erste Tür (48) der Schleuse gebildet ist, weggenommen ist.
2. Übergabevorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die genannte bewegliche Wand eine Hülse (44) ist, von der ein Ende die erste Öffnung (47) der Schleuse definiert, wobei die erste Öffnung (47) und die zweite Öffnung (38) der Schleuse einander auf gemeinsamer Achse gegenüberstehen, die genannte Hülse parallel zu dieser Achse beweglich ist und mit den Wänden der Schleuse und mit der Umhüllung durch Dichtungseinrichtungen (46) verbunden ist.
3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß die Dichtungseinrichtungen wenigstens einen Balg (46) enthalten, dessen Enden an der Hülse (44) bzw. an den Wänden der Schleuse und der Umhüllung befestigt sind.
4. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Handhabungsmittel (63) in der Schleuse vorgesehen sind, um die genannte erste Doppeltür (65) anzubringen und zu entfernen.
5. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß Handhabungsmittel (66) in dem Hüllengehäuse vorgesehen sind, um die zweite Doppeltür (67) anzubringen und wegzunehmen.
6. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß ein Ventilations-/Filtrationskreis (76) mit der Schleuse in Verbindung steht und Einrichtungen (82) zum Beeinflussen der Innenatmosphäre der Schleuse aufweist.
7. Vorrichtung nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen dem Hüllengehäuse (10) und der Außenumgebung (20) Druckabsenkungen beim Durchgang durch die Ubergabeschleuse (30) vorgesehen sind.
EP85402251A 1984-11-26 1985-11-20 Übergabevorrichtung mit zweifacher dichter Barriere zwischen einem Behälter und einem Hüllengehäuse Expired EP0187557B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8417966 1984-11-26
FR8417966A FR2573908B1 (fr) 1984-11-26 1984-11-26 Dispositif de transfert a double barriere etanche entre un conteneur et une enceinte de confinement

Publications (2)

Publication Number Publication Date
EP0187557A1 EP0187557A1 (de) 1986-07-16
EP0187557B1 true EP0187557B1 (de) 1989-02-01

Family

ID=9309928

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85402251A Expired EP0187557B1 (de) 1984-11-26 1985-11-20 Übergabevorrichtung mit zweifacher dichter Barriere zwischen einem Behälter und einem Hüllengehäuse

Country Status (8)

Country Link
US (1) US4619572A (de)
EP (1) EP0187557B1 (de)
JP (1) JPS61203295A (de)
CN (1) CN85108413B (de)
CA (1) CA1243698A (de)
DE (1) DE3568100D1 (de)
FR (1) FR2573908B1 (de)
ZA (1) ZA858847B (de)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3814938A1 (de) * 1988-05-03 1989-11-16 Wiederaufarbeitung Von Kernbre Andockvorrichtung zum anschliessen eines transport- und/oder lagerbehaelters an einen radioaktiv belasteten arbeitsraum
US5186594A (en) * 1990-04-19 1993-02-16 Applied Materials, Inc. Dual cassette load lock
DE4034719A1 (de) * 1990-11-01 1992-05-07 Nukem Gmbh Abschirmglocke
US5169272A (en) * 1990-11-01 1992-12-08 Asyst Technologies, Inc. Method and apparatus for transferring articles between two controlled environments
FR2674225B1 (fr) * 1991-03-20 1993-07-16 Euritech Procede et installation pour transferer des produits d'une enceinte contaminee dans une deuxieme enceinte, sans contaminer cette derniere.
US5984610A (en) * 1995-03-07 1999-11-16 Fortrend Engineering Corporation Pod loader interface
US5810537A (en) * 1995-10-18 1998-09-22 Bye/Oasis Engineering Inc. Isolation chamber transfer apparatus
US6142722A (en) * 1998-06-17 2000-11-07 Genmark Automation, Inc. Automated opening and closing of ultra clean storage containers
US8348583B2 (en) 1999-10-19 2013-01-08 Rorze Corporation Container and loader for substrate
FR2844258B1 (fr) * 2002-09-06 2005-06-03 Recif Sa Systeme de transport et stockage de conteneurs de plaques de semi-conducteur, et mecanisme de transfert
US8376172B2 (en) * 2008-02-26 2013-02-19 Savannah River Nuclear Solutions, Llc Container lid gasket protective strip for double door transfer system
FR2980831B1 (fr) * 2011-09-30 2015-06-26 Getinge La Calhene Mecanisme de commande d'un dispositif de connexion etanche entre deux volumes clos a manipulation simplifiee
FR2988205B1 (fr) * 2012-03-13 2014-05-09 Getinge La Calhene Dispositif de montage etanche d'un organe interchangeable sur une enceinte de confinement a securite renforcee
CN102848165B (zh) * 2012-09-11 2015-07-08 中国核电工程有限公司 阀门检修容器
CN102969036B (zh) * 2012-10-30 2015-07-08 中国核电工程有限公司 垂直对接式通用热室维修气闸

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1449887A (fr) * 1965-07-08 1966-05-06 Commissariat Energie Atomique Dispositif de décontamination d'une enceinte contaminée
FR2112082B1 (de) * 1970-09-29 1974-03-01 Commissariat Energie Atomique
CH544262A (fr) * 1970-11-17 1973-11-15 Wendel Sidelor Dispositif d'injection d'air et de combustible liquide ou gazeux dans un four à cuve
BE789861A (de) * 1971-10-11 1973-02-01 Arbed
FR2462769A1 (fr) * 1979-07-27 1981-02-13 Robatel Slpi Cellule amovible pour la manutention de pieces mecaniques irradiees et contaminees a l'interieur d'enceintes fixes de protection biologique
US4532970A (en) * 1983-09-28 1985-08-06 Hewlett-Packard Company Particle-free dockable interface for integrated circuit processing

Also Published As

Publication number Publication date
EP0187557A1 (de) 1986-07-16
CN85108413B (zh) 1988-04-13
CA1243698A (en) 1988-10-25
FR2573908A1 (fr) 1986-05-30
CN85108413A (zh) 1986-05-10
FR2573908B1 (fr) 1986-12-26
JPS61203295A (ja) 1986-09-09
US4619572A (en) 1986-10-28
ZA858847B (en) 1986-07-30
DE3568100D1 (en) 1989-03-09

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