EP1145990B1 - Device comprising a transport container and a protective container receiving it - Google Patents

Device comprising a transport container and a protective container receiving it Download PDF

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Publication number
EP1145990B1
EP1145990B1 EP01108313A EP01108313A EP1145990B1 EP 1145990 B1 EP1145990 B1 EP 1145990B1 EP 01108313 A EP01108313 A EP 01108313A EP 01108313 A EP01108313 A EP 01108313A EP 1145990 B1 EP1145990 B1 EP 1145990B1
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EP
European Patent Office
Prior art keywords
container
transport container
protective
hoist
protective container
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 - Lifetime
Application number
EP01108313A
Other languages
German (de)
French (fr)
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EP1145990A3 (en
EP1145990A2 (en
Inventor
Heinz Maas
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.)
Areva GmbH
Original Assignee
Framatome ANP GmbH
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 Framatome ANP GmbH filed Critical Framatome ANP GmbH
Publication of EP1145990A2 publication Critical patent/EP1145990A2/en
Publication of EP1145990A3 publication Critical patent/EP1145990A3/en
Application granted granted Critical
Publication of EP1145990B1 publication Critical patent/EP1145990B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/62—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled
    • B66C1/66—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means comprising article-engaging members of a shape complementary to that of the articles to be handled for engaging holes, recesses, or abutments on articles specially provided for facilitating handling thereof
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers

Definitions

  • the invention relates to a device with a transport container and this receiving protective container, wherein stop pins on the transport container by tabs of a hoist are available.
  • Such a transport container can be used to transport fuel assemblies of a nuclear reactor. It is filled directly into a fuel pool underwater, which may contain radioactive particles. So that such particles can not permanently adhere to the outer surface of the transport container, the transport container is located in a protective container. After loading the transport container, the space between the transport container and protective container is rinsed with clean water. Then, when the transport container is removed from the protective container outside the storage pool, the outer surface of the transport container is cleaned.
  • the invention has for its object to provide a device in which on the one hand, the stop pins of the transport container are protected from contamination and on the other hand, no expensive and expensive protective container is required to which a hoist attacks.
  • stop parts are connected to the protective container, which are mechanically firmly connected to the hoist above the tabs, and that between the transport container and the hoist, and between the hoist and the protective container and, where possible is, directly between the transport container and the protective container sealing elements can be arranged.
  • the advantage is achieved that the protective container can be attached to the same hoist, which should raise the transport container.
  • the stop parts are only so stable perform that they carry the weight of the protective container and the liquid, which is located between the two containers. The hoist continues to attack directly on the heavy transport container.
  • sealing elements are provided. They seal the gap between the two containers in the upper area.
  • sealing elements are provided which on the one hand cover a gap between the transport container and hoist and on the other hand a gap between hoist and protective container.
  • the advantage is achieved that the transport container can be enclosed above the stop pin for the hoist through the protective container, and that nevertheless the protective container does not have to be designed so that a hoist attack him and loaded him with the transport container can lift.
  • the sealing elements which are connectable to the protective container, for example, have sealing lips, for application to the upper edge of the protective container.
  • sealing lips are advantageously positioned quickly and reliably.
  • the space between the protective container and the transport container is connected to, for example, a port for deionized water.
  • the gap can be rinsed and freed of radioactive particles before the two containers are lifted together from a storage pool and then the transport container is lifted out of the protective container. The transport container is then free from contamination.
  • the transport container 1 shows the upper part of a transport container 1 for fuel elements, on which a flange 2 is formed upwards, which carries at least two stop pins 3 at other positions.
  • the transport container 1 is located in a protective container 4, which protects it from radioactive contamination.
  • the protective container 4 is constructed of relatively thin sheet metal, since he does not have to carry the transport container 1.
  • a first sealing element 5 is present, which is fastened on the one hand to the flange 2, for example, screwed and on the other hand with a sealing lip 5a at the top of the protective container 4 is tight.
  • the protective container 4 may be composed of several, for example, three parts together.
  • the device 2 shows the device in the region of a stop pin 3, which is fastened to the flange 2 of the transport container 1.
  • the stop pin 3 engages around a tab 6 of a hoist 7.
  • the protective container 4 is a stop member 8 is connected, which in turn is above the tab 6 fixed to the hoist 7 in conjunction.
  • suitable means are provided.
  • the hoist 7 may e.g. Have screw thread for screws 8a, which are part of the stop member 8.
  • a second and a third sealing member 9, 10 For sealing the transport container 1 against the protective container 4 are located on the hoist 7 above or on the tab 6 but below the location where the stop member 8 is fixed, a second and a third sealing member 9, 10.
  • the second sealing member 9 extends into Direction to the flange 2 of the transport container 1 and can be fastened there, the third sealing member 10 extends to the upper edge of the protective container 4 and is there with a sealing lip 10a.
  • the protective container 4 has at least one connection 11 for deionized.
  • deionized water can reach the intermediate space between the two containers and push out the potentially contaminated water located there, through an outlet (not shown). If in this way the surface of the transport container 1 is cleaned, it can be lifted out of the protective container 4 outside of the storage pool.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Mechanical Engineering (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
  • Refuse Collection And Transfer (AREA)
  • Packages (AREA)

Abstract

A transport container (1) and a surrounding protective container (4) comprises contact members (3) onto which a lifting member can locate. The protective container has stops (8) attached to it, which can be mechanically connected to the lifting unit (7). Sealing elements are located between the transport container and the lifting unit, as well as between the lifting unit and the protective container.

Description

Die Erfindung betrifft eine Vorrichtung mit einem Transportbehälter und einem diesen aufnehmenden Schutzbehälter, wobei Anschlagzapfen am Transportbehälter durch Laschen eines Hebezeugs greifbar sind.The invention relates to a device with a transport container and this receiving protective container, wherein stop pins on the transport container by tabs of a hoist are available.

Ein solcher Transportbehälter kann zum Transport von Brennelementen eines Kernreaktors dienen. Er wird direkt in einem Lagerbecken für Brennelemente unter Wasser gefüllt, das radioaktive Partikel enthalten kann. Damit solche Partikel auf der äußeren Oberfläche des Transportbehälters nicht dauerhaft anhaften können, befindet sich der Transportbehälter in einem Schutzbehälter. Nach dem Beladen des Transportbehälters wird der Raum zwischen Transportbehälter und Schutzbehälter mit sauberem Wasser gespült. Wenn dann der Transportbehälter au-βerhalb des Lagerbeckens aus dem Schutzbehälter herausgenommen wird, ist die äußere Oberfläche des Transportbehälters gereinigt.Such a transport container can be used to transport fuel assemblies of a nuclear reactor. It is filled directly into a fuel pool underwater, which may contain radioactive particles. So that such particles can not permanently adhere to the outer surface of the transport container, the transport container is located in a protective container. After loading the transport container, the space between the transport container and protective container is rinsed with clean water. Then, when the transport container is removed from the protective container outside the storage pool, the outer surface of the transport container is cleaned.

Ein derartiges Verfahren ist aus der US 3,917,953 bekannt. Dabei sind sowohl der Transportbehälter, als auch der Schutzbehälter als stabile tragbare Behälter ausgebildet, die beide Anschlagzapfen für ein Hebezeug aufweisen. Der Schutzbehälter muss sogar sehr stabil gebaut sein, da das Hebezeug an ihm angreift und er beim Herausheben aus dem Becken den gesamten beladenen Transportbehälter trägt.Such a method is known from US 3,917,953. Both the transport container, as well as the protective container are formed as a stable portable container, both having stop pins for a hoist. The protective container must even be built very stable, since the hoist attacks him and he carries the entire loaded transport container when lifting out of the basin.

Es ist auch schon vorgeschlagen worden, als Schutzbehälter ein sogenanntes Kontaminationsschutzhemd vorzusehen, das jedoch den Transportbehälter nur mit Ausnahme der Anschlagzapfen umgibt, da diese für das Hebezeug zugänglich sein müssen.It has also been proposed to provide a so-called Kontaminationsschutzhemd as a protective container, but surrounding the transport container only with the exception of the stop pin, as they must be accessible to the hoist.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung anzugeben, bei der einerseits auch die Anschlagzapfen des Transportbehälters vor Kontamination geschützt sind und andererseits kein aufwendiger und teurer Schutzbehälter erforderlich ist, an dem ein Hebezeug angreift.The invention has for its object to provide a device in which on the one hand, the stop pins of the transport container are protected from contamination and on the other hand, no expensive and expensive protective container is required to which a hoist attacks.

Die Aufgabe wird gemäß der Erfindung dadurch gelöst, dass mit dem Schutzbehälter Anschlagteile verbunden sind, die mit dem Hebezeug oberhalb der Laschen mechanisch fest verbindbar sind, und dass zwischen dem Transportbehälter und dem Hebezeug, sowie zwischen dem Hebezeug und dem Schutzbehälter und, wo es möglich ist, direkt zwischen dem Transportbehälter und dem Schutzbehälter Abdichtelemente anordenbar sind.The object is achieved according to the invention in that stop parts are connected to the protective container, which are mechanically firmly connected to the hoist above the tabs, and that between the transport container and the hoist, and between the hoist and the protective container and, where possible is, directly between the transport container and the protective container sealing elements can be arranged.

Mit den Anschlagteilen wird der Vorteil erzielt, dass der Schutzbehälter an das gleiche Hebezeug angehängt werden kann, das schon den Transportbehälter anheben soll. Die Anschlagteile sind dabei nur so stabil auszuführen, dass sie das Gewicht des Schutzbehälters und der Flüssigkeit, die sich zwischen den beiden Behältern befindet, tragen. Das Hebezeug greift weiterhin direkt an dem schweren Transportbehälter an.With the stop parts the advantage is achieved that the protective container can be attached to the same hoist, which should raise the transport container. The stop parts are only so stable perform that they carry the weight of the protective container and the liquid, which is located between the two containers. The hoist continues to attack directly on the heavy transport container.

Damit der Zwischenraum zwischen dem Transportbehälter und dem Schutzbehälter trotzdem abgedichtet werden kann, sind die genannten Abdichtelemente vorgesehen. Sie dichten den Spalt zwischen den beiden Behältern im oberen Bereich ab. Im Bereich des Hebezeuges sind Abdichtelemente vorgesehen, die einerseits einen Spalt zwischen Transportbehälter und Hebezeug und andererseits einen Spalt zwischen Hebezeug und Schutzbehälter überdecken.So that the space between the transport container and the protective container can still be sealed, said sealing elements are provided. They seal the gap between the two containers in the upper area. In the area of the hoist, sealing elements are provided which on the one hand cover a gap between the transport container and hoist and on the other hand a gap between hoist and protective container.

Mit der Vorrichtung nach der Erfindung wird der Vorteil erzielt, dass der Transportbehälter bis oberhalb der Anschlagzapfen für das Hebezeug durch den Schutzbehälter umschließbar ist, und dass trotzdem der Schutzbehälter nicht so ausgelegt sein muss, dass ein Hebezeug an ihn angreifen und ihn beladen mit dem Transportbehälter anheben kann. Man erzielt mit einfachen Mitteln einen weitgehenden Schutz des Transportbehälters vor einer Kontamination seiner äußeren Oberfläche.With the device according to the invention, the advantage is achieved that the transport container can be enclosed above the stop pin for the hoist through the protective container, and that nevertheless the protective container does not have to be designed so that a hoist attack him and loaded him with the transport container can lift. You achieve with simple Means a substantial protection of the transport container from contamination of its outer surface.

Die Abdichtelemente, die mit dem Schutzbehälter verbindbar sind, weisen beispielsweise Dichtlippen auf, zum Anlegen auf dem oberen Rand des Schutzbehälters. Solche Dichtlippen sind vorteilhafter Weise schnell und zuverlässig positionierbar.The sealing elements, which are connectable to the protective container, for example, have sealing lips, for application to the upper edge of the protective container. Such sealing lips are advantageously positioned quickly and reliably.

Der Raum zwischen dem Schutzbehälter und dem Transportbehälter ist beispielsweise mit einem Anschluss für Deionat verbunden. Dadurch kann der Zwischenraum gespült und von radioaktiven Partikeln befreit werden, bevor die beiden Behälter gemeinsam aus einem Lagerbecken herausgehoben werden und anschließend der Transportbehälter aus dem Schutzbehälter gehoben wird. Der Transportbehälter ist dann frei von Kontaminationen.The space between the protective container and the transport container is connected to, for example, a port for deionized water. Thereby, the gap can be rinsed and freed of radioactive particles before the two containers are lifted together from a storage pool and then the transport container is lifted out of the protective container. The transport container is then free from contamination.

Die Vorrichtung nach der Erfindung wird anhand der Zeichnung näher erläutert.

FIG 1
zeigt einen Schnitt durch den oberen Bereich der Vorrichtung außerhalb der Anschlagzapfen für das Hebezeug,
FIG 2
zeigt einen Teilschnitt durch die Vorrichtung im Bereich eines Anschlagzapfens.
The device according to the invention will be explained in more detail with reference to the drawing.
FIG. 1
shows a section through the upper portion of the device outside the lifting lugs for the hoist,
FIG. 2
shows a partial section through the device in the region of a stop pin.

FIG 1 zeigt den oberen Teil eines Transportbehälters 1 für Brennelemente, an dem nach oben ein Flansch 2 angeformt ist, der an anderen Positionen mindestens zwei Anschlagzapfen 3 trägt. Der Transportbehälter 1 befindet sich in einem Schutzbehälter 4, der ihn vor radioaktiver Kontamination schützt. Der Schutzbehälter 4 ist aus relativ dünnem Blech aufgebaut, da er den Transportbehälter 1 nicht tragen muss. Zur Abdichtung des Zwischenraumes zwischen den beiden Behältern ist ein erstes Abdichtelement 5 vorhanden, das einerseits am Flansch 2 befestigt, z.B. angeschraubt ist und andererseits mit einer Dichtlippe 5a am oberen Rand des Schutzbehälters 4 dicht anliegt. Der Schutzbehälter 4 kann aus mehreren, z.B. drei Teilen zusammen gesetzt sein.1 shows the upper part of a transport container 1 for fuel elements, on which a flange 2 is formed upwards, which carries at least two stop pins 3 at other positions. The transport container 1 is located in a protective container 4, which protects it from radioactive contamination. The protective container 4 is constructed of relatively thin sheet metal, since he does not have to carry the transport container 1. To seal the gap between the two containers, a first sealing element 5 is present, which is fastened on the one hand to the flange 2, for example, screwed and on the other hand with a sealing lip 5a at the top of the protective container 4 is tight. The protective container 4 may be composed of several, for example, three parts together.

FIG 2 zeigt die Vorrichtung im Bereich eines Anschlagzapfens 3, der am Flansch 2 des Transportbehälters 1 befestigt ist. Den Anschlagzapfen 3 umgreift eine Lasche 6 eines Hebezeugs 7. Mit dem Schutzbehälter 4 ist ein Anschlagteil 8 verbunden, das seinerseits oberhalb der Lasche 6 fest mit dem Hebezeug 7 in Verbindung steht. Zur Verbindung des Anschlagteils 8 mit dem Hebezeug 7 sind geeignete Mittel vorgesehen. Das Hebezeug 7 kann z.B. Schraubgewinde für Schrauben 8a aufweisen, die Bestandteil des Anschlagteils 8 sind.2 shows the device in the region of a stop pin 3, which is fastened to the flange 2 of the transport container 1. The stop pin 3 engages around a tab 6 of a hoist 7. The protective container 4 is a stop member 8 is connected, which in turn is above the tab 6 fixed to the hoist 7 in conjunction. To connect the stop member 8 with the hoist 7 suitable means are provided. The hoist 7 may e.g. Have screw thread for screws 8a, which are part of the stop member 8.

Zum Abdichten des Transportbehälters 1 gegen den Schutzbehälter 4 befinden sich am Hebezeug 7 oberhalb oder an der Lasche 6 aber unterhalb des Ortes, an dem das Anschlagsteil 8 befestigt ist, ein zweites und ein drittes Abdichtelement 9, 10. Das zweite Abdichtelement 9 erstreckt sich in Richtung auf den Flansch 2 des Transportbehälters 1 und ist dort befestigbar, Das dritte Abdichtelement 10 erstreckt sich zum oberen Rand des Schutzbehälters 4 und liegt dort mit einer Dichtlippe 10a an. Durch die Abdichtelemente 5, 9 und 10 ist der Spalt zwischen dem Transportbehälter 1 und dem Schutzbehälter 4 nach außen abgedichtet.For sealing the transport container 1 against the protective container 4 are located on the hoist 7 above or on the tab 6 but below the location where the stop member 8 is fixed, a second and a third sealing member 9, 10. The second sealing member 9 extends into Direction to the flange 2 of the transport container 1 and can be fastened there, the third sealing member 10 extends to the upper edge of the protective container 4 and is there with a sealing lip 10a. By the sealing elements 5, 9 and 10, the gap between the transport container 1 and the protective container 4 is sealed to the outside.

Der Schutzbehälter 4 weist mindestens einen Anschluss 11 für Deionat auf. Durch diesen Anschluss 11 kann Deionat in den Zwischenraum zwischen den beiden Behältern gelangen und das dort befindliche, eventuell kontaminierte Wasser, durch einen nicht gezeigten Ausgang hinausdrücken. Wenn auf diese Weise die Oberfläche des Transportbehälters 1 gereinigt ist, kann dieser außerhalb des Lagerbeckens aus dem Schutzbehälter 4 herausgehoben werden. Dazu sind nur die Verbindungen des Anschlagteiles 8 mit dem Hebezeug 7 zu lösen.The protective container 4 has at least one connection 11 for deionized. By means of this connection 11, deionized water can reach the intermediate space between the two containers and push out the potentially contaminated water located there, through an outlet (not shown). If in this way the surface of the transport container 1 is cleaned, it can be lifted out of the protective container 4 outside of the storage pool. For this purpose, only the connections of the stop member 8 to be solved with the hoist 7.

Claims (3)

  1. Apparatus comprising a transport container (1) and a containment vessel (4) accommodating the latter, stop pins (3) on the transport container (1) being able to be gripped by side plates (6) of a lifting gear (7), characterized in that to the containment vessel (4) stop parts (8) are connected, which can be fixedly connected by mechanical means to the lifting gear (7) above the side plates (6), and in that sealing elements (9, 10, 5) can be disposed between the transport container (1) and the lifting device (7) and between the lifting device (7) and the containment vessel (4) and, where possible, directly between the transport container (1) and the containment vessel (4).
  2. Apparatus according to Claim 1, characterized in that the sealing elements (5, 10), which are connectable to the containment vessel (4), have sealing lips (5a, 10a) for fitting on the upper rim of the containment vessel (4).
  3. Apparatus according to one of Claims 1 or 2, characterized in that the space between the transport container (1) and the containment vessel (4) is connected to a connection (11) for deionized water.
EP01108313A 2000-04-13 2001-04-02 Device comprising a transport container and a protective container receiving it Expired - Lifetime EP1145990B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10018350 2000-04-13
DE10018350 2000-04-13

Publications (3)

Publication Number Publication Date
EP1145990A2 EP1145990A2 (en) 2001-10-17
EP1145990A3 EP1145990A3 (en) 2005-11-23
EP1145990B1 true EP1145990B1 (en) 2007-03-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01108313A Expired - Lifetime EP1145990B1 (en) 2000-04-13 2001-04-02 Device comprising a transport container and a protective container receiving it

Country Status (4)

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EP (1) EP1145990B1 (en)
AT (1) ATE356766T1 (en)
DE (1) DE50112178D1 (en)
ES (1) ES2283352T3 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3917953A (en) * 1974-04-03 1975-11-04 Atlantic Richfield Co Method for decreasing radiation hazard in transporting radioactive material
JPS599596A (en) * 1982-07-07 1984-01-18 動力炉・核燃料開発事業団 Cask handling method and double vessel used for it
US5133466A (en) * 1991-12-11 1992-07-28 Combustion Engineering, Inc. Wet lift rig
US5170899A (en) * 1992-01-15 1992-12-15 Combustion Engineering, Inc. Waterproof cover for crane hook
US5400374A (en) * 1993-12-29 1995-03-21 Combustion Engineering, Inc. Self-expanding waterproof cover for crane hook

Also Published As

Publication number Publication date
EP1145990A3 (en) 2005-11-23
ATE356766T1 (en) 2007-04-15
DE50112178D1 (en) 2007-04-26
ES2283352T3 (en) 2007-11-01
EP1145990A2 (en) 2001-10-17

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