WO2000052705A2 - Conteneurs de transport maintenus par un dispositif de retenue, pour des elements de combustible non irradie - Google Patents

Conteneurs de transport maintenus par un dispositif de retenue, pour des elements de combustible non irradie Download PDF

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Publication number
WO2000052705A2
WO2000052705A2 PCT/DE2000/000403 DE0000403W WO0052705A2 WO 2000052705 A2 WO2000052705 A2 WO 2000052705A2 DE 0000403 W DE0000403 W DE 0000403W WO 0052705 A2 WO0052705 A2 WO 0052705A2
Authority
WO
WIPO (PCT)
Prior art keywords
housing
transport container
container according
transport
container
Prior art date
Application number
PCT/DE2000/000403
Other languages
German (de)
English (en)
Other versions
WO2000052705A3 (fr
Inventor
Eduard Gehring
Werner Jahreiss
Wolfgang Paulinyi
Ulrich Philippczyk
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
Priority to JP2000603046A priority Critical patent/JP2002538473A/ja
Priority to EP00912364A priority patent/EP1155416A2/fr
Publication of WO2000052705A2 publication Critical patent/WO2000052705A2/fr
Publication of WO2000052705A3 publication Critical patent/WO2000052705A3/fr

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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
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • G21F5/008—Containers for fuel elements
    • 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 transport container for an unilluminated fuel element, in particular a boiling water reactor, with an at least two-shell housing, consisting of several housing parts.
  • the invention further relates to a container made of transport containers.
  • sheet metal containers are each tailored to the special requirements and dimensions of the fuel element type concerned.
  • sheet metal containers for fuel elements that are intended for use in a pressurized water reactor or in a boiling water reactor are used.
  • Each sheet container protects a stored fuel assembly from damage under various loads. The loads that the individual containers must withstand are checked and determined at regular intervals by the licensing authorities.
  • Such a container is said to meet sufficient radiation protection properties and criticality requirements with regard to loading, particularly when accommodating a highly enriched fuel element.
  • a fuel element stored inside the container must not be deformed inadmissibly, even when the container is subjected to high mechanical loads.
  • This concerns above all the transport of a fuel assembly that is used in a boiling water reactor is provided.
  • WAU fuel element reprocessed uranium
  • MOX fuel elements mixed oxide fuel element
  • Such a transport container should, if necessary, be usable as the inner container of another outer transport container surrounding the transport container.
  • an advantageous arrangement of transport containers for the transport process should be possible. Training on the transport container should allow a cheap and stable arrangement in a container.
  • a transport container for an unirradiated fuel element of a boiling water reactor with a watertight, multi-shell housing consisting of a plurality of housing parts detachably joined to one another is used for this purpose.
  • the housing parts mentioned each comprise at least two shells with an intermediate cavity formed by the two shells, which is filled with shock-absorbing material.
  • the housing parts mentioned which are joined to one another, are fitted to one another by a tongue-and-groove connection, and are thus practically interlocked.
  • the tongue-and-groove joint (2) exists between two parts (4A, 4B) joined together at their edges.
  • a strip (8) is formed on the edge of a part (4B) - ie a spring.
  • the other part has a recess (6) running along its edge - ie a groove.
  • the tongue (8) engages in this groove (6).
  • Groove (6) and tongue (8) advantageously have complementary shapes that fit one another.
  • the groove (6) and tongue (8) are designed det that the parts along a joining gap (10) are form-fitting and fit together.
  • a stiffener (12) is advantageously also inserted into such a tongue and groove connection.
  • the invention is based on the finding that, in the case of a strong mechanical load, it must in particular be prevented that detachably attached housing parts of a transport container break apart. Due to the precise, form-fitting joining of the housing parts in a tongue and groove connection, the housing parts are practically interlocked with one another. Thus, in particular in the case of an unfavorable, strong shear or tensile load on the container, a large part of the mechanical forces are intercepted by the housing and distributed in the housing via the tongue and groove connection, so that closures and / or hinges are relieved.
  • one housing part has a groove in which a molded bar of the other part engages.
  • the groove is, for example, an advantageously rectangular or rounded or conical groove or recess in a housing part.
  • a matching strip is provided on the other housing part, which is rectangular, rounded or conical, for example dovetail-like.
  • This, ie the spring, is molded onto the other housing part mentioned, as shown in FIG. 1.
  • the tongue and groove connection according to the invention is also formed when the edge or a corresponding end piece of one housing part engages in a groove in the other housing part. This end piece can be tapered, but does not need to carry any further profile.
  • the tongue and groove connection is additionally stiffened and the parts are cushioned against one another.
  • at least one metal strip is advantageously inserted between the groove and the strip.
  • two metal strips for stiffening and for cushioning the housing parts against each other are inserted between the groove and the strip.
  • glue a metal strip to a housing part or to fasten it in another way for example by resistance spot welding.
  • the stiffening and spring action can be achieved particularly well if, for example, the strip inserted into the groove runs along the entire tongue-and-groove connection.
  • the inserted metal strip does not exactly follow the shape of the groove in cross section, but differs in parts from the shape of the tongue-and-groove connection, for example in that corners are rounded.
  • an elastic sealing element can also be inserted into the groove - advantageously between the metal strips. This is especially intended for waterproofing, but also for suspension.
  • the interior of the housing of the transport container is preferably divided into compartments for receiving one fuel element by at least one web.
  • only two compartments lying next to one another are provided for receiving fuel elements.
  • a favorable ratio of the weight of the payload to the total weight of the loaded container and its stability is achieved, particularly for boiling water fuel elements.
  • the web and a part of the housing are fitted to one another according to the invention by means of a tongue-and-groove connection - that is, they are toothed together.
  • the web is also inextricably connected to another housing part.
  • the web is formed by a shell of the other housing part mentioned.
  • the web according to the invention like the two-shell housing, contains a material with shock-absorbing material. rial filled cavity. According to the knowledge of the invention, a web formed in this way on the housing is less at risk of breakage than a web that would be attached to the housing as a separate component.
  • the housing advantageously carries a plurality of flanges on the outside, and the housing parts are screwed together on the flanges.
  • another releasable connection - for example a bolt or a staple - is also provided.
  • the housing has handles on the outside.
  • bolts or other elevations - or recesses - are also provided, which are used to attach a means for holding and lifting the transport container - for example a rope or a chain.
  • the handles are advantageously fitted into a recess on the outside of the housing via a pin.
  • the handles are advantageously welded on all sides on the outside of the housing. The handles are thus stably attached to the outside and any mechanical forces are passed on to the housing on all sides.
  • the housing is cuboid. This has advantages when arranging the containers in the form of a container. Alternatively, however, it is also favorable to manufacture the transport containers essentially with a round cross section, which contains a rectangular interior for receiving the fuel elements and which is surrounded by a rectangular border, which allows the transport containers to be advantageously arranged in a container.
  • the outer shell of the housing parts advantageously has inwardly curved grooves running parallel to the fuel assembly.
  • the channels serve on the one hand to stiffen the Housing, on the other hand, they allow a simple stable stacking of the containers within a container, as will be explained.
  • the channels like the tongue-and-groove connections, are preferably also designed with at least one metal strip for stiffening and forming a spring effect.
  • the cross section of the channels on its open side advantageously has at most the width of a fuel assembly, advantageously half the width of a fuel assembly.
  • a housing part surrounds the fuel assembly on at least three long sides. It proves to be advantageous if this concerns in particular the bottom side - that is to say the long side on which a fuel element placed in the container rests - and both side walls of the transport container.
  • this part of the housing has edges which engage as springs in corresponding grooves in another housing part.
  • this named other housing part covers the fourth long side of the fuel assembly. For example, this is modeled on a cover. If the one housing part comprises a web, then this likewise advantageously engages in a groove on the other housing part, which covers the fourth long side of the fuel assembly.
  • the housing has a joining gap running along the entire fuel assembly on two opposite sides of the fuel assembly O 00/52705 __
  • the joining gap at which two housing parts are joined together, runs at least partially obliquely to the longitudinal axis of the fuel assembly.
  • This has the advantage "in that along the longitudinal side of the fuel assembly the joined housing portions are interlocked with one another for example in a tooth-shaped or rectangular shape of the joint gap. This also applies to the course of the joining gaps in the end face of the housing. According to the knowledge of the inven- tion this prevents the joined housing parts from breaking apart.
  • the two housing parts mentioned surround the fuel assembly on its four long sides and on one end face — a third housing part can be attached to the two housing parts mentioned on the opposite end face.
  • the transport container can be loaded and unloaded from different sides.
  • the transport container can be loaded by inserting a fuel assembly in a direction transverse to its longitudinal axis.
  • the transport container can also be unloaded, for example, from its front side by lifting the third housing part and pulling out the fuel element in the direction of its longitudinal axis.
  • both end faces of the housing are formed by one of the two housing parts, which also form the long sides of the housing.
  • An elastic sealing element in particular for water sealing, is advantageously provided along the tongue-and-groove connection between joined housing parts.
  • shock-absorbing material which, according to a further development of the invention, is essentially metallic and has pores.
  • the pores can be present irregularly or in a regular arrangement in the metallic, shock-absorbing material.
  • metal foam, especially aluminum foam, with irregular pores is also provided as a shock-absorbing material.
  • the honeycombs can advantageously also be glued in. Materials that are heat-resistant up to at least 800 ° C. are particularly advantageous.
  • the porous, shock-absorbing material between the shells of the housing.
  • it is favorable to attach further massive metal sheets in the cavities formed by the shells of the housing parts.
  • the housing parts are additionally reinforced and stiffened.
  • the shock-absorbing material is advantageously connected to the shells, in particular glued, welded, screwed or firmly connected in some other useful way.
  • a shell made of soft material is arranged on the inside of the housing.
  • Foamed material for example foam or composite foam, is advantageously provided for this purpose.
  • the shell made of soft material is provided with a funnel-shaped opening for receiving a piece of pipe. Such a funnel-shaped or conical opening facilitates the loading of the transport container.
  • a shock-absorbing spacer for example one or more rubber blocks, is also provided on a web surface.
  • a fuel element protection box is also advantageously provided for this purpose.
  • the pipe section or the protective box is also advantageously made of boron-doped stainless steel.
  • the on-board doping enhances the radiation-protecting container properties.
  • a box with a closable lid is also provided for receiving the pipe section or the fuel assembly.
  • the lid is advantageously pivotally connected to the box.
  • the lid can also be removable.
  • the fuel assembly is complete (i.e. provided with a fuel assembly box) as required or essentially comprises only rods and a support structure. If necessary, the box is also provided for receiving a transport tube for fuel rods or another fuel rod container with fuel rods.
  • the box is also intended to accommodate a loose or held fuel bundle.
  • the transport container of the type described is also provided as the inner container of a further, enclosing outer transport container, for example for transporting MOX fuel elements.
  • parts of the transport container can be made of boron-doped steel for improved radiation shielding.
  • the surrounding outer transport container is advantageously made of boron-doped steel.
  • the invention provides a bundle of a plurality of transport containers arranged parallel to one another, which are stacked one above the other or next to one another. Up to five containers can be arranged one above the other and next to each other.
  • each transport container rests on at least two mutually parallel metal supports.
  • the metal carriers advantageously have a round cross section.
  • the above-mentioned container for stacking the transport containers thus has the advantage that the transport containers can be stacked one above the other in a self-aligning and stable manner, in that metal carriers with a round cross section advantageously lie in the essentially rectangular grooves mentioned on the outside of each transport container and serve as spacers .
  • metal carriers with a round cross section advantageously lie in the essentially rectangular grooves mentioned on the outside of each transport container and serve as spacers .
  • round gutters on the outside of each transport container and correspondingly rectangular metal supports are also possible.
  • metal supports are provided which extend over the entire length or only over a partial length of each transport container.
  • the metal supports are advantageously provided with an elastic outer shell on at least one side.
  • the elastic outer shell is preferably designed as a half shell, which is made, for example, of rubber or plastic for the purpose of suspension.
  • the metal strips that lie in the channels on the outside of each transport container serve the same purpose and also have a stiffening effect.
  • Metallic spacing elements are preferably arranged between transport containers lying next to one another. These serve to stabilize the container in the horizontal direction.
  • the spacer elements advantageously encompass elevations on the outside of the transport containers lying one above the other.
  • elevations provided on the outside of the transport containers are provided specifically for this purpose.
  • the handles already mentioned on the outside of a transport container are particularly suitable for this purpose.
  • the spacers are, for example, bow-shaped and are advantageously connected to one another along an entire stack height.
  • the container preferably rests on shock absorbers according to the invention. These are arranged on the lower clamping elements, for example.
  • the container can also be clamped in itself, for example with straps, but is also connected at least to the lower clamping element.
  • 1 shows the tongue and groove connection of two parts already described
  • 2 shows an advantageous embodiment of a transport container in a cross section transverse to its longitudinal axis
  • 3 shows a favorable embodiment of a transport container in cross section as a top view
  • 4 shows an advantageous embodiment of an end piece with
  • Front wall of a transport container in cross section as a top view shows an advantageous embodiment of a transport container which comprises two housing parts and a web; 6 shows a further advantageous embodiment of a transport container which comprises two housing parts and a web; 7 shows a further advantageous embodiment of a transport container which comprises two housing parts;
  • FIG. 8 shows a cheap embodiment of a transport container which comprises three housing parts and in which the web is fastened to the cover-like housing part; 9 shows an embodiment of a transport container with a round cross section, which comprises two housing parts;
  • 10 shows an advantageous embodiment of a bundle of transport containers; 11 shows a further advantageous embodiment of a transport container in a side view; 12 shows the design of a transport container according to FIG. 11 along the section BB with the lid closed; 13 shows the design of a transport container according to FIG. 11 along the section AA with the lid closed; 14 shows the design of a transport container according to FIG. 11 along the section AA with the lid open.
  • the container 1 comprises a two-shell housing 3, which in this embodiment comprises two housing parts 9 and 11. Both housing parts also comprise two shells 5 and 7 or 13 and 15, which are each inside and outside. The shells 5 and 7 and the shells 13 and 15 are welded at suitable points 49 to form a two-shell housing part 9 and 11.
  • a multi-shell housing also proves to be advantageous, for example a housing which has one or more shell-like layers between an outer and inner shell.
  • the cavities between the shells mentioned in the multi-shell housing of the further embodiment are also advantageously filled with shock-absorbing material.
  • a housing part 9 is cuboid-shaped as a box.
  • This housing part also includes a web 21 which divides the interior of the housing into two compartments 23 for receiving one fuel element each.
  • the further housing part 11 is also rectangular as a cover.
  • both housing parts 9 and 11 are between the shells 5 and 7 or 13 and 15 with a porous term, metallic material 25 filled, which is used for shock absorption.
  • the pores 27 are honeycomb-shaped and are regularly lined up to form honeycomb rows 29.
  • the honeycomb-shaped pores 27 are spaced about 1 mm apart and the honeycomb row has a height of about 23 mm. Pores with dimensions between 1 mm and 5 mm are also particularly advantageous.
  • the honeycomb rows 29 are stacked one above the other and separated by solid sheets 31. The sheets are advantageously 1 mm thick.
  • the cavity 17 formed by two shells 5, 7 and 13, 15 in a housing part 9, 11 is essentially filled with two or three honeycomb rows 29 stacked one on top of the other.
  • Aluminum is used as the honeycomb material in this version.
  • Stainless steel honeycombs, aluminum foam or heat-resistant plastic are also advantageously provided.
  • plate-shaped aluminum foam elements are particularly advantageously arranged between the shells 5 and 7 or 13 and 15 of the housing parts 9 and 11.
  • the webs 31 as well as the outer sheets of the housing shells 5, 7, 13 and 15 are made of steel or stainless steel sheet.
  • the components mentioned, shells 5, 7, 13 and 15, honeycomb-shaped pores 27, web plates 31 and honeycomb rows 29 are not detachably joined together, for example by gluing, welding (eg spot welding) or screwing.
  • the housing parts 9 and 11 of the transport container 1 are detachably joined together in this embodiment along a joining gap 37 which runs along the entire fuel assembly.
  • a joining gap 37 which runs along the entire fuel assembly.
  • the joined housing parts 9 and 11 are fitted to one another by a tongue and groove connection 33.
  • the tongue-and-groove connection 33 comprises grooves 39 in the cover-shaped housing part 11.
  • Three of these grooves 39 run essentially along the length of the fuel assembly and two others on the end face across the fuel element.
  • the side walls 43 of the housing engage in the grooves 39 running along the fuel element, and on the other hand an end piece (the edge) of the inner web 21.
  • the end walls 77, 79 (FIG. 3) of the vessel-like housing part 9 engage in corresponding transverse grooves in the lid-like housing part 11.
  • tongue and groove connections 33 namely side connections 45 and a web connection 47, are shown, in each case for a side wall or for an inner web.
  • a correspondingly tapered side wall at the upper end or a strip-like continued side wall at the upper end as a spring 8 (FIG. 1) in a correspondingly narrow groove 45 for receiving the end of the side wall 43.
  • this embodiment also shows that an inner web 21 formed from the inner shell 7 of the housing-like part 9 of the transport container 1 has the same width at the upper and at the lower end, and engages in a correspondingly wide groove 47 in the cover-like part 11 of the housing.
  • the respective tongue and groove connection 33 includes in addition to the
  • Groove 39 and the engaging part 43, 21 at least one metal strip for stiffening the tongue-and-groove connection and for springing the joined housing parts.
  • two metal strips 35A, 35B are provided.
  • the metal strips essentially follow the shape of the part against which they rest - that is, the metal strip 35A essentially the shape of the groove 39 for the side wall 43.
  • the metal strip 35B essentially follows the shape of the side wall 43 engaging in the groove.
  • the metal strip does not exactly follow the course of the part on which it lies, but in particular leaves gaps at the edges. If the two housing parts 9 and 11 hit each other strongly, they are not hit directly against each other, but the gaps mentioned provide a buffer for absorbing the impact movement.
  • the metal strips 35A, 35B inserted into the groove 39 absorb the shock.
  • the metal strips 35, 35A, 35B are either inserted into a groove 39 or placed on the end of an engaging part 43, 21, and glued or welded there.
  • the metal strips have a reinforcing effect and can advantageously also be carried out with a plastic coating for further suspension.
  • spring elements not shown here, such as, for example, coil springs or rubber parts, can also be inserted into a groove 39 for suspension, if required.
  • an elastic sealing element 41 is inserted into the groove for water sealing.
  • a shell made of soft material 51 is attached to the inside of the housing 3.
  • a composite foam for example a polyethylene or a polyurethane material, advantageously with a density of around 261 kg per m 3 ) is used in particular as the soft material 51. It may also be advantageous to have a damping element made of etahom at several points on the housing 3 - on the inside or outside - or even one
  • the shell 51 is designed such that, for example, the upper part 53 is fastened to the upper housing part 11 and the lower part 55 is fastened to the lower housing part 9.
  • the soft shell 51 has a conical opening 57.
  • This serves to receive a tube piece 59 which in this embodiment has a square inner cross section which is rounded at the corners.
  • the pipe section 59 is advantageously made of boron-doped stainless steel sheet.
  • a fuel element protective box 59 is advantageously also provided as a pipe section, which has a free space for receiving a boiling water reactor. Fuel assembly forms.
  • the pipe section 59 is also accommodated in a box 60 with a cover 62.
  • This box 60 can accommodate fuel assemblies with or without a protective box 59.
  • the box 60 is additionally cushioned against a spacer 58, here rubber blocks - against the inner web 21 and held with a screw connection.
  • the lid 62 is screwed to the box 60, but can also be detachably held in another way (for example via hinges).
  • flanges 61 are attached, on the one hand to the vessel-like housing part 9 and on the other hand each assigned to the cover-like housing part 11.
  • the flanges 61 serve to fasten the housing parts 9 and 11 to one another.
  • a screw 63 rotatably mounted in an eye 68 is used, which is fastened to the lower housing part 9 and is countered on the upper housing part 11 by a nut 65.
  • another suitable releasable connection can also be provided, for example a bolt or a split pin, which are not shown here.
  • the double-shell housing 3 has handles 67 on its outside, which are fitted with a pin connection 69 on the outside.
  • these handles 67 are cylindrical and are provided with a notch 73 for receiving, for example, a rope or a spacer device.
  • the handles 67 are embedded in the outer wall of the housing 3 with a pin 56 and are welded to their base 64 on the edge 69 of the pin connection on all sides on the outside of the housing 3.
  • a number of welds can also be carried out here (e.g. continuous or spot welds) or screwing the material. If necessary, soldering or other useful solid connection of the material can also be carried out so that the pin 56 is firmly attached to the outer wall of the housing 3.
  • transverse struts 82 are also advantageously attached for stiffening. In particular, they have the function of a load stop and have an opening 84 for a load suspension means, for example for lifting off the cover-like housing part 11.
  • the cross struts 82 on the lid-like housing part 11 are advantageously made so stable that only a lifting of the lid-like housing part 11 from the vessel-like housing part 9 is possible. Any accidental lifting of the entire container 1 - in particular when filled - using the cross struts 82 as a load stop can thus be avoided.
  • the cross struts 82 can advantageously be loaded with a maximum load which is sufficient to take up the weight of the cover-like housing part 11, but in no case the weight of the entire housing 3 with cover-like 3 and vessel-like housing part 9.
  • a safety bar or seat belt or other stable traverse can advantageously be tensioned over the open side.
  • a safety bar or safety belt prevents, for example, the inadvertent removal of a fuel element or fuel bundle from the open housing 3. If such a housing 3 - that is to say the vessel-like housing part 9 - stands upright - that is to say on one of its end faces - Rather, a safety bar or belt is a fuel element or fuel bundle, possibly still located in the vessel-like housing part 9, and thus prevents the fuel element or fuel bundle from falling out.
  • the safety bar or belt can be attached to the vessel-like housing part 9.
  • the safety bar or seat belt can advantageously be screwed on, clamped on or releasably fastened in another useful way.
  • the container 1 and its housing parts 9 and 11 advantageously have a center of gravity which is such that when the container is transported in a vertically hanging position, the container hangs "straight" and "not at an angle".
  • the container is advantageously constructed largely symmetrically with respect to a plane running through its longitudinal axis.
  • FIG. 3 shows the top view of the transport container 1 described in FIG. 2 in a section III-III of the lower part 9. All housing parts of the container 1 with a double-shell housing 3 already described in FIG. 2 are shown accordingly. In addition, the design of the two end faces of the container 1 is shown. In this embodiment, the container 1 has an end wall 77 that cannot be opened and an end wall 78 that can be opened. Alternatively, a container can also be designed with two end walls 77 that cannot be opened.
  • the inner web 21 is formed by the inner shell 7 of the lower housing part 9 analogously to the manner shown in FIG.
  • the front wall 78 of the container 1 that is to be opened is formed with three grooves 39 for receiving the end pieces 80 of the side walls 43 and the inner web 21 designed as a spring 6 (FIG. 1).
  • FIG. 4 shows a further advantageous embodiment of an end wall of a two-shell housing 3 of a transport container 1 in cross section as a top view.
  • the front wall 78 of the housing 3 to be opened is made of Figure 3 replaced by a retractable end portion 85.
  • This carries a groove in the middle for receiving the inner web, which is held there with a tongue and groove connection 33.
  • the insertable end part 85 is held in grooves 87, which are located in the side walls 43 of the double-shell housing 3, by a tongue and groove connection 33.
  • Figure 5 shows an advantageous embodiment of a transport container 1, which comprises two housing parts 9 and 11 and an inner web 21.
  • a transport container 1 which comprises two housing parts 9 and 11 and an inner web 21.
  • the lower part 9 has two non-opening end walls 77, which protrude beyond the height of the inner web 21 and the side walls 43, and between which the cover part 11 is held.
  • the end walls are advantageously formed by a shell of one of the other housing parts, or else are fitted into the housing parts with a tongue and groove connection 2 (FIG. 1) and thus interlocked.
  • Figure 5 also shows that, for example, the inner web in this embodiment is attached to its face adjacent to the end face by an all-round weld 89.
  • Figure 6 shows an additional embodiment of a transport container 1, in which the lid-like part 11 also includes an opening 78 of the transport container 1 to be opened.
  • the opposite end face of the double-shell housing 3, on the other hand, has an end wall 77 that cannot be opened.
  • FIG. 7 shows an embodiment similar to that in FIG. 5, namely a two-shell housing for a transport container 1, in this case without an inner web 21 (FIG. 6).
  • a two-shell housing for a transport container 1 in this case without an inner web 21 (FIG. 6).
  • FIG. 6 one too open on the cover part 11 in FIG. End wall 78 available.
  • This is advantageously also formed from the shells of the cover part 11.
  • the non-opening end wall 77 of the transport container 1 is pulled out over the height of the side walls 43 of the container 1, so that the cover part 11 abuts this end wall 77.
  • the cover part 11 is advantageously fitted at the front end in a tongue-and-groove connection 33 into the end wall 77 which cannot be opened and is toothed with it.
  • FIG. 8 Another cheap embodiment of a transport container 1 is shown in FIG.
  • the housing 3 is in three parts and comprises a vessel-like part 9A with an open end face. An end wall 77 to be opened is attached to the latter, and a lid-like part 11A is placed on the vessel-like part 9A.
  • the three housing parts 9A, 11A and 77 are correspondingly held against one another with flanges 61 and a corresponding connection between the flanges and fitted and toothed to one another by tongue-and-groove connections 23.
  • the inner web 21 is not formed or held on the vessel-like housing part 9A, but is instead formed on the lid-like housing part 11A from a shell of this lid-like housing part 11A.
  • FIG. 9 shows an embodiment of a container 1 with a round cross section, the two-shell housing 3 of which is composed of a lower part 9 and an upper part 11. These are fitted and toothed with one another via the tongue and groove connections 33 already explained and are held against one another by flanges 61.
  • the two housing parts 9 and 11 are joined together along a joining gap 37 which, in contrast to the previous embodiments, does not run essentially parallel to the edges of the fuel assembly.
  • Such a tooth-shaped joining gap 37, on which the housing parts of the container housing 3 are joined together is also advantageous, for example, in the case of cuboidal containers, as have been shown in the previous exemplary embodiments.
  • a rectangular profile 91 which is attached to the round container, is advantageously provided for the two housing parts of the transport container 1 according to FIG. 9 with a non-cuboid, in this case round cross-section near its end face.
  • a rectangular profile can also develop from the cross section of a container 1 towards its end faces, in that the container has a rather round profile in the region of its center M, which merges into a rectangular shaped profile towards the end faces S of the container.
  • a joining gap 37 can, for example, also run in a wave shape, as shown in this embodiment.
  • a shipping container usually has one or more accelerometers. These are advantageously housed in protective bags on the container.
  • FIG. 10 shows, by way of example, the design of a container 101 comprising a plurality of transport containers 1 arranged parallel to one another.
  • the transport containers 1 are arranged vertically in the container as a stack 103 or horizontally as a row 105.
  • the transport containers 1 rest lengthwise on metal carriers 107.
  • At least these metal carriers 107 are intended to support the transport containers 1 at their front ends.
  • the metal supports preferably have an elastic outer shell 109 which is in particular attached to the underside of the metal supports. This can be, for example, plastic, rubber or PVC shock absorption.
  • the transport containers 1, the tongue-and-groove connections 33 between the housing parts 9 and 11 can be seen, rest with their grooves 79 on the outside on the top of the metal carrier.
  • each groove 79 causes further shock absorption and suspension of the trans port container 1 against each other and a stiffening of the individual transport containers.
  • the cross section 111 of the metal carrier 107 is round or at least rounded.
  • This arrangement achieves a self-aligning effect in the arrangement of the transport containers 1 in the stack.
  • the cuboid shape of the channel 79 causes the containers to be oriented in accordance with the rounded shape 111 of the metal carrier 107.
  • Another advantageous embodiment of a container takes into account metal carriers 107 with a cuboid cross section 111 and transport containers with one attached to the outside, according to the same principle Channel 79, which has a rather round cross-section.
  • the spacing elements 113 each encompass the handle 67 attached to the outside of a transport container 1. As shown here, they essentially encompass the base 63 of the handle and leave the notch 73 in the handle 67 free for loading purposes.
  • the spacer elements 113 for each stack 103 of transport containers 1 can be firmly and releasably connected to one another.
  • the stacks 103 and rows 105 of transport containers 1 are also arranged as a whole between two clamping elements 115.
  • the clamping elements 115 are connected to one another and press the rows 105 of the transport container 1 against one another.
  • the clamping elements 115 are essentially embodied by a plurality of profiled steel girders on which cuboidal fitting pieces 117 with a round recess for receiving a metal girder 107 with a round cross section 111 are attached.
  • the container 101 of transport containers 1 explained above rests as a whole on feet 120 which can be locked on a loading surface of a suitable means of transport.
  • a shock absorber 119 is advantageously integrated in a foot 120.
  • a shock absorber 119 is advantageously attached for a stack 103 of the container under the lower clamping element 115.
  • corresponding clamping elements 115 and feet 120 with shock absorbers 119 are attached three or four times along the longitudinal axis of the transport containers 1.
  • a different number of containers 1 is provided for a corresponding container. Twelve containers per container or else nine containers per thread are advantageous, as shown in FIG. Each container has an identifier, advantageously a barcode.
  • FIG. 11 shows a particularly advantageous embodiment of a transport container 1A with a double-shell housing
  • a locking screw connection 121 essentially comprises an eyebolt 63A, which is attached to a flange 61A is attached to the vessel-like housing part 9A and a lock nut 65A, with which the eyebolt 63A is attached to a flange 61B on the lid-like housing part 11A.
  • a box 60A is provided in the container and is provided for receiving a fuel assembly in a compartment 23A in box 60A.
  • the box 60A can be adjustable in length, for example to enable the acceptance of fuel elements of different dimensions from transport to transport and at the same time to ensure that a fuel element is securely stored in box 60A.
  • the length of the two-shell housing 3A can also be adjusted.
  • an adapter part for one of the end faces 131A and 131B or both can be provided, for example, in the case 60A and housing 3A.
  • handles 67A which serve as a load stop for lifting the container 1A.
  • the handles 67A rest on a base 64A and are fitted by a pin connection 69A in the outer wall of the vessel-like housing 9A.
  • cross struts 82A for forming a load stop for lifting are advantageously attached only to the cover-like housing part.
  • cross struts 83A are attached to the underside of the vessel-like housing part 9A, which advantageously form a load stop for lifting only the vessel-like housing part 9A.
  • the transverse struts 82A similarly as already described in connection with FIG. 2, can advantageously only be loaded up to a maximum load which does not allow the entire housing 3A to be lifted.
  • FIG. 12 shows the particularly advantageous embodiment of a transport container 1A in section BB of FIG. 11.
  • a handle 67A is particularly advantageously attached to the vessel-like housing part 9A in this embodiment. Similar to FIG. 2, the handle 67A is placed on a base 64A and fitted on the outside of the vessel-like housing 9A via a pin connection 69A.
  • the pin 56A is anchored in a block 70, the block 70 being welded in a groove 79A on the lateral outside of the vessel-like housing part 9A or in another advantageous way is firmly attached.
  • the base 64A is screwed to the block 70.
  • FIG. 1 shows the particularly advantageous embodiment of a transport container 1A in section BB of FIG. 11.
  • FIG. 13 shows the particularly advantageous embodiment of a transport container 1A in section AA of FIG. 11.
  • the damping elements 51A and spacers 58A are for soft and damping mounting of the box 60A in the interior of the double-shell housing 3A, in contrast to that in FIG Figure 2 shown embodiment varies.
  • a box 60A inserted in the vessel-like housing part 9A is designed differently than in FIG. 2 for receiving a fuel assembly.
  • the box 60A has in particular a pivotable cover 62A which is rotatably mounted on one side in a hinge 123 and on the other side by a Screw cap 125 is provided for firm but detachable closing of the box 60A.
  • the box lid 62A is also designed with two shells and has a cavity 129. Both the cavity 129 and the damping element 51A attached to the cover-like housing part 11A serve to dampen and to absorb formation energy to prevent damage to a fuel assembly during transport.
  • FIG. 14 shows the transport container 1A of FIG. 11 likewise along the section A-A in a state in which the lid-like housing part ILA is lifted off from the vessel-like housing part 9A.
  • a box 60A of the transport container 1A is still open - that is, the lid 62A of the box 60A is opened, but is still held on the hinge 123.
  • the box 60A has a conical opening 127, so that it can be inserted more easily when the box is loaded with a fuel assembly.
  • the eyebolts 63A on the vessel-like housing part 9A are folded down and held there firmly on a flange 61A.
  • a box lid 62A lying around or a screw plug 63A lying around is avoided during loading or unloading of the transport container 1A.

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Stackable Containers (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)

Abstract

Lors de leur transport du site de production au site d'utilisation, des éléments de combustible non irradié sont placés dans des conteneurs de transport (1) à l'épreuve des accidents dotés de boîtiers (3) à deux coques. Les parties (9, 11) de boîtier sont encastrées et imbriquées les unes avec les autres à l'aide de liaisons (33) par languette et rainure. Lesdits conteneurs de transport sont maintenus ensemble à l'aide d'un dispositif de retenue (101) à attaches et à suspension se présentant sous formes d'entretoises (113), de supports métalliques (107) et d'éléments de serrage (115).
PCT/DE2000/000403 1999-02-26 2000-02-10 Conteneurs de transport maintenus par un dispositif de retenue, pour des elements de combustible non irradie WO2000052705A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000603046A JP2002538473A (ja) 1999-02-26 2000-02-10 未照射燃料集合体用の移送容器と移送容器の組み桁
EP00912364A EP1155416A2 (fr) 1999-02-26 2000-02-10 Conteneurs de transport maintenus par un dispositif de retenue, pour des elements de combustible non irradie

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1999108490 DE19908490A1 (de) 1999-02-26 1999-02-26 Transportbehälter mit Gebinde für ein unbestrahltes Brennelement
DE19908490.4 1999-02-26

Publications (2)

Publication Number Publication Date
WO2000052705A2 true WO2000052705A2 (fr) 2000-09-08
WO2000052705A3 WO2000052705A3 (fr) 2001-03-01

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PCT/DE2000/000403 WO2000052705A2 (fr) 1999-02-26 2000-02-10 Conteneurs de transport maintenus par un dispositif de retenue, pour des elements de combustible non irradie

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EP (1) EP1155416A2 (fr)
JP (1) JP2002538473A (fr)
DE (1) DE19908490A1 (fr)
TW (1) TW459246B (fr)
WO (1) WO2000052705A2 (fr)

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JP2006505780A (ja) * 2002-11-06 2006-02-16 コジェマ ロジスティックス 核燃料集合体のような未照射の放射性物質の貯蔵／運搬用容器

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US6748042B1 (en) * 2003-04-28 2004-06-08 Westinghouse Electric Company Llc Unirradiated nuclear fuel component transport system
FR2855311B1 (fr) * 2003-05-22 2006-02-03 Cogema Logistics Dispositif de rangement pour le transport/stockage d'assemblages de combustible nucleaire
FR2884347B1 (fr) * 2005-04-11 2008-01-11 Daher Lhoteelier Csi Soc Par A Dispositif de protection pour le transport de produits radioactifs
FR2905031B1 (fr) * 2006-08-21 2008-11-07 Areva Np Sas Conteneur de transport pour des assemblages de combustible nucleaire et utilisation de ce conteneur.
FR2925975B1 (fr) * 2007-12-26 2016-05-27 Areva Np Conteneur de transport pour assemblage de combustible nucleaire, et procede de transport d'un assemblage de combustible nucleaire
JP5781265B2 (ja) 2009-07-31 2015-09-16 三菱重工業株式会社 燃料集合体の輸送容器
FR2961623B1 (fr) * 2010-06-16 2013-08-30 Commissariat Energie Atomique Joint d'interface solide a porosite ouverte pour crayon de combustible nucleaire et pour barre de commande nucleaire
FR2961624B1 (fr) * 2010-06-16 2014-11-28 Commissariat Energie Atomique Joint d'interface solide a porosite ouverte pour crayon de combustible nucleaire et pour barre de commande nucleaire
JP5383635B2 (ja) * 2010-12-14 2014-01-08 原子燃料工業株式会社 燃料ホルダ、燃料固定用カバー、燃料固定用カバーの使用方法、燃料ホルダの使用方法、及び燃料集合体の待機時間解消方法
JP5383762B2 (ja) * 2011-09-16 2014-01-08 原子燃料工業株式会社 燃料ホルダ、燃料ホルダの使用方法、及び燃料集合体の輸送方法
JP2014048190A (ja) * 2012-08-31 2014-03-17 Mitsubishi Heavy Ind Ltd 緩衝装置及び緩衝装置の製造方法
FR3010226B1 (fr) * 2013-09-05 2017-12-29 Tn Int Colis comprenant des moyens ameliores d'amortissement de choc entre un ensemble renfermant des matieres radioactives et le couvercle de l'emballage
JP6411813B2 (ja) * 2014-08-15 2018-10-24 株式会社グローバル・ニュークリア・フュエル・ジャパン 燃料ホルダ、燃料ホルダの使用方法および燃料体の輸送方法
FR3074954B1 (fr) * 2017-12-07 2020-09-04 Commissariat Energie Atomique Panier de rangement pour stockage ou transport de matieres nucleaires
FR3074953B1 (fr) * 2017-12-07 2020-09-04 Commissariat A L Energie Atomique Panier de rangement pour stockage ou transport de matieres nucleaires
US11289228B2 (en) * 2019-04-24 2022-03-29 Nac International Inc. Nuclear fuel debris container with perforated columnizing insert

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DE2237137A1 (de) * 1972-07-28 1974-02-07 Transnuklear Gmbh Behaelter zum transport plutoniumhaltiger brennstoffelemente
DE2944260A1 (de) * 1979-11-02 1981-05-14 Ulrich 4224 Hünxe Böcke Langzeitbehaelter fuer den transport und/oder die lagerung von umweltgefaehrdenden stoffen
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Also Published As

Publication number Publication date
EP1155416A2 (fr) 2001-11-21
TW459246B (en) 2001-10-11
WO2000052705A3 (fr) 2001-03-01
DE19908490A1 (de) 2000-09-07
JP2002538473A (ja) 2002-11-12

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