EP3167454A1 - Conteneur blindé pour le transport et/ou le stockage de matières radioactives - Google Patents

Conteneur blindé pour le transport et/ou le stockage de matières radioactives

Info

Publication number
EP3167454A1
EP3167454A1 EP15733451.7A EP15733451A EP3167454A1 EP 3167454 A1 EP3167454 A1 EP 3167454A1 EP 15733451 A EP15733451 A EP 15733451A EP 3167454 A1 EP3167454 A1 EP 3167454A1
Authority
EP
European Patent Office
Prior art keywords
container
peripheral wall
sheet
shielding container
flange
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.)
Withdrawn
Application number
EP15733451.7A
Other languages
German (de)
English (en)
Inventor
Franz Hilbert
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.)
Daher Nuclear Technologies GmbH
Original Assignee
Daher Nuclear Technologies 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 Daher Nuclear Technologies GmbH filed Critical Daher Nuclear Technologies GmbH
Publication of EP3167454A1 publication Critical patent/EP3167454A1/fr
Withdrawn legal-status Critical Current

Links

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
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/02—Selection of uniform shielding materials
    • G21F1/08—Metals; Alloys; Cermets, i.e. sintered mixtures of ceramics and metals
    • G21F1/085—Heavy metals or alloys
    • 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
    • G21F1/00—Shielding characterised by the composition of the materials
    • G21F1/12—Laminated shielding materials
    • G21F1/125—Laminated shielding materials comprising metals
    • 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
    • G21F3/00—Shielding characterised by its physical form, e.g. granules, or shape of the material
    • 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
    • G21F5/002—Containers for fluid radioactive wastes
    • 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
    • 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 shielding container for the transport and / or storage of radioactive materials, in particular of non-heat-generating substances, with Be fiscaler endeavorswandung, container bottom and container interior final container lid, wherein at least the Be fiscalerschreibswandung is surrounded by a shield which surrounds the Be fiscalerschreibswandung wound sheet metal strip is and extends between a closing element which projects radially from the peripheral wall in the bottom region, and a flange member which projects radially from the lid-side region of the peripheral wall.
  • EP 2 693 442 A1 discloses a container system for the final disposal of radioactive non-heat-generating waste.
  • the waste receiving container is made of heavy concrete and is surrounded by a receptacle, which in turn is made of normal concrete.
  • the receptacle is closed by a first lid on which a receptacle occlusive second lid is arranged.
  • a shield transport and storage container according to DE 41 35 066 C1 has a particular consisting of spheroidal graphite container shell with lid receptacle and bottom wall.
  • US 4,663,533 A is a storage and transport container for radioactive materials, which has a peripheral wall which consists of coaxially arranged cylindrical elements of different materials.
  • a container for radioactive substances according to DE 30 08 992 Al a container casing is wrapped with a metal winding, which has ⁇ - shielding function.
  • the metal winding may consist of wire, cable or metal strip.
  • the width of the metal strip is smaller by a multiple than the height of the container wall.
  • a variety of container types have been developed for the transport and storage - be it temporary storage or final disposal - of non-heat-generating radioactive materials. These include tanks made of steel materials and sandwich containers.
  • Containers made of steel materials with wall thicknesses in the range between 120 mm and 300 mm are quite expensive to manufacture.
  • Kugelgraphitgus s existing container which must be post-processed mechanically after casting.
  • the quality assurance of the cast monolithic container body by a required non-destructive testing method is particularly costly.
  • the container in sandwich construction ie consisting of an inner and outer shell made of steel with an intervening shielding layer, although due to the cost-effective materials are cheaper to produce than the previously described container made of steel.
  • the shielding layers which may consist of lead granules or concrete, have material-specific disadvantages: While the use of lead granules, while the density of steel can be achieved, so that the total wall thickness is equivalent to a steel container.
  • there are disadvantages due to the low melting point of lead so that additional fire protection measures are required because the containers must withstand accident fire over a period of 1 hour and a temperature of 800 ° C.
  • the wall thickness of a sandwich container When using concrete - even heavy concrete - densities are far below the density of steel, so that to achieve the same shielding the wall thickness of a sandwich container must be much larger than the wall thickness of a steel container. Thus, with the same outer dimensions, the usable inner volume drops significantly, ie. h., The ratio of volume of the radioactive content to the total volume of the container is much less favorable than the steel container. By maintaining the wall thickness of a steel container for the sandwich container, however, its shielding effect is lower and thus reduces the capacity for radioactive inventory.
  • the present invention is based on the object, a shielding container of the type mentioned in such a way that at low cost production, a sufficient shielding effect is ensured, so that the cost advantages of a sandwich container achieved, but their disadvantages avoided, while achieving the benefits of shielding steel tanks become.
  • the invention essentially provides that at least the outermost layer of the wound sheet-metal strip is sealed in a liquid-tight manner with respect to the closing element, the flange element and the layer running below the outermost layer.
  • the wound sheet metal strip forms the shield does not mean that the container itself or its peripheral wall is not already a Shielding function exercises. Rather, the strength of the peripheral wall can already be chosen so that a shield and thus a shielding container are present.
  • the shield extends between the closing element, which protrudes radially from the peripheral wall, ie transversely or perpendicular to the longitudinal axis of the container, and the flange element, which extends from the peripheral wall Lid-side region of the peripheral wall protrudes radially.
  • the flange element itself should be receptacle for the container lid.
  • the invention provides that the flange is connected to the outer surface of the peripheral wall, as welded.
  • bottom wall is connected to the inner surface of the peripheral wall, as welded, and protrudes beyond the end edge thereof.
  • the flange element and / or the bottom wall consists of a sheet metal such as steel or is a portion of such.
  • the container wall consists of a tube, in particular longitudinally welded tube, preferably made of sheet steel.
  • the invention proposes that on the peripheral wall immediately resting layer of the wound sheet metal strip at least partially connected to the peripheral wall, as welded, is.
  • the sheet-metal strip should be wound without tension or substantially without tension around the peripheral wall.
  • the width of the sheet metal strip substantially corresponds to the distance between the facing surfaces in the lid region extending flange element and extending in the bottom region end element, so that the metal strips basically only one above the other and not - as the prior art provides - both are arranged side by side and one above the other.
  • the invention is based on a self-inventive suggestion also by a shielding container for the transport and / or storage of radioactive materials, non-heat-generating substances, with Be disposer endeavorswandung, container bottom and container interior final container lid, wherein at least the Be fiscalerschreibswandung surrounded by a shield which is a sheet metal strip wound around the container peripheral wall and extends between a terminal member projecting radially from the peripheral wall in the bottom portion and a flange member projecting radially from the lid side portion of the peripheral wall, the width of the sheet metal band being the clearance between them facing surfaces of the flange and the end plate corresponds or substantially corresponds.
  • essentially corresponds means that between the edges of the sheet metal strip and the facing surface of the flange or the end element may optionally be a gap, which is filled by shielding material receiving elongations or required for welding.
  • a related container is of course combinable with the other features described.
  • the outermost layer can be sealed off from the layer covered by this by a longitudinal weld seam, or the outermost layer can be connected to the closure element and / or the flange element by a circumferential weld seam.
  • wall thickness D B of the sheet metal strip is 5 mm ⁇ D B ⁇ 10 mm and / or wall thickness D R of the peripheral wall formed from the tube is 20 mm ⁇ D R ⁇ 40 mm and / or the flange element and / or the end member consists of a portion of a sheet such as steel sheet, a thickness D s of 100 mm ⁇ D s ⁇ 300 mm, preferably 150 mm to 250 mm.
  • the fiction, contemporary steel container with wound steel shield thus avoids the disadvantages of the previously used or designed steel and sandwich container.
  • the steel container with wound shield consists of an inner container made of a preferably longitudinally welded tube made of sheet steel a wall thickness of z. B. 20 mm to 40 mm, the head side of a solid flange and the bottom side is welded to a solid floor.
  • Flange and bottom should each consist of a steel sheet or a portion of such a, which may have a thickness between 150 mm and 250 mm.
  • peripheral wall, the bottom and the existing of the wound sheet metal shield from each different, requirement-optimized materials can be produced.
  • the peripheral wall, so in particular the longitudinally welded pipe can be made of a Feinkornbaustahl with proven temperature properties to -40 ° C, the soil - as if.
  • the cover and the flange - can be made of a metal sheet or a forged part and the shield of relatively inexpensive Material exist.
  • the container is closed by a particular screwed lid, which can be sealed against the container body, and against the opening side extending flange, by a double seal system.
  • the lid closing may be provided a test opening for the tightness test of the seals.
  • further openings for example, to fillings, for draining the interior or for drying are available.
  • FIG. 1 is a schematic diagram of a shield, partially cut
  • FIG. 3 is a plan view of the shielding of FIG. 1,
  • Fig. 4 is a section along the line A-A in Fig. 1 in an enlarged
  • FIG. 5 shows a detail X of FIG. 1.
  • the figures to be taken from the invention shielding 10 for storage and transport of particular non-heat-generating radioactive substances consists of a peripheral wall 12, a container bottom 14 and a container lid 16 as basic elements.
  • the peripheral wall 12 is in particular a longitudinally-welded tube made of sheet steel with a wall thickness between 20 mm and 40 mm.
  • a flange 18 is attached to the peripheral wall 12, in particular by welding, which has an L-geometry in section, as a comparison of FIGS. 1 and 5 illustrates.
  • the flange 18 consists of a perpendicular to the container longitudinal axis 20 extending portion 21 and a perpendicular thereto and parallel to the longitudinal axis 20 extending upper portion 22, the radial extent, ie transversely or perpendicular to Longitudinal axis 20, less than that of the section 22 is.
  • a step 24, on which the container lid 16 rests as Fig. 5 illustrates.
  • the container lid 16 which in the exemplary embodiment on the outside extends in an aligned manner to the outer edge of the upper portion 22 of the flange 18, by a plurality of particular hexagon socket screws 28 with the flange 18, d. H. the lower portion 21, connected, as is apparent from Figs. 3 and 6.
  • the container lid 16 is sealed off from the flange 18 welded to the container circumferential wall 12 via a double seal 28, 30.
  • a test opening 34 in order to check the tightness can.
  • the main seal is the inner seal 30 because it seals against the interior of the container.
  • the seal 30 acts radially between the inner container, ie, the longitudinally welded tube 12 and the cover 16.
  • the outer seal also to be designated as an auxiliary seal 28 becomes Required test purposes, continues to act axially, but is moved inwards, so that more space for the screws 27 remains.
  • peripheral wall 12 of the container bottom 14 With the inside of the peripheral wall 12 of the container bottom 14 is connected, which is in particular made of a steel sheet of a thickness between 150 mm and 250 mm.
  • the container bottom 14 is welded to the peripheral wall 12, as the welds illustrate.
  • a radially projecting end plate 36 which has an annular geometry and runs perpendicular or substantially perpendicular to the container longitudinal axis 20, extends from the bottom-side edge region of the peripheral wall 12.
  • the end plate 36 is welded to the peripheral wall 12.
  • a sheet metal strip 38 is wound around the peripheral wall 12, which may preferably have a thickness between 5 mm and 10 mm.
  • the sheet metal strip 38 can be pulled off a sheet metal coil, wherein the width of the sheet metal strip 38 should be the clearance between the facing surfaces of the flange 18 and the end plate 36.
  • a plurality of plies are wrapped about the peripheral wall 12 to achieve the desired shielding effect.
  • the layers of the metal strip 38 thus form the peripheral shielding of the container 10 according to the invention. The more layers are wrapped, the greater the shielding effect.
  • the first layer ie the directly on the peripheral wall 12, ie the outer surface, resting position connected to this as is welded. This can be done by a longitudinal weld between the longitudinal end edge of the sheet metal strip 38 and the peripheral wall 12.
  • the thickness of the layers is selected such that their radial extent corresponds to that of the end plate 36 and the lower portion 20 of the flange 18, so that the outer surface of the outermost layer 40 is substantially flush with the end face of the flange 18 and end face of the End plate 36 runs.
  • the outermost ply 40 should then be connected to the underlying layer 42 by a longitudinal seam 44 by welding.
  • the outermost layer 40 should also be connected to the end plate 36 and the lower portion 20 of the flange 18 by a circumferential weld 46, 48, so that not only a fixation of the layers relative to the flange 18 and the end plate 36 takes place, but at the same time it is ensured that liquid or moisture can not penetrate between the layers.
  • the shield which is determined by the number of wound layers of the metal strip 38, constant over the entire height, so by changing the width of the metal strip 38, the radial extent, ie the thickness of the shield over the height of the container 10th vary, wherein in the area in which inside the container 10 inventory of particularly high radioactivity is located, a higher shield than in other areas can be reached.
  • the sheet-metal strip 38 come sheets of structural steels with lower material properties than for other components of the container 10 in question.
  • the peripheral wall 12 may consist of a sheet of fine grain steels with specified properties at low temperatures (- 40 ° C). Austenitic materials are possible.
  • the flange 18 and the lid 16 are also a sheet or a forging of fine grain steels with specified properties at low temperatures (- 40 ° C), in particular austenitic materials in question.
  • inner container peripheral wall 12 the components that define the interior of the container 10, ie in particular referred to as inner container peripheral wall 12, bottom 14, flange 18 and cover 16 of high quality fine grain structural steel with guaranteed toughness properties at - 40 ° C.
  • inner container peripheral wall 12 the components that define the interior of the container 10
  • bottom 14, flange 18 and cover 16 of high quality fine grain structural steel with guaranteed toughness properties at - 40 ° C.
  • the wound shielding a less valuable and thus cheaper structural steel or forged steel can be used. If the materials listed above are non-stainless steels, it goes without saying that it is also possible to produce the peripheral wall 12 forming the inner container, the base 14, the flange 18 and / or the cover 16 from stainless steel. In contrast, the wound shield should still consist of inexpensive structural steel.
  • Preferred dimensions of the container 10 are:

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Metallurgy (AREA)
  • Ceramic Engineering (AREA)
  • Packages (AREA)
  • Rigid Containers With Two Or More Constituent Elements (AREA)

Abstract

L'invention concerne un conteneur blindé (10) de matières radioactives comportant une paroi périphérique (12), un fond (14) et un couvercle (16) fermant un espace intérieur de conteneur, au moins la paroi périphérique étant entourée par un blindage (38). Selon l'invention, pour assurer un effet de blindage suffisant avec des coûts de fabrication faibles, le blindage (38) est une bande de tôle (12) enroulée autour de la paroi périphérique.
EP15733451.7A 2014-07-11 2015-07-01 Conteneur blindé pour le transport et/ou le stockage de matières radioactives Withdrawn EP3167454A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014109778.5A DE102014109778A1 (de) 2014-07-11 2014-07-11 Abschirmbehälter für den Transport und/oder Lagerung von radioaktiven Stoffen
PCT/EP2015/065036 WO2016005253A1 (fr) 2014-07-11 2015-07-01 Conteneur blindé pour le transport et/ou le stockage de matières radioactives

Publications (1)

Publication Number Publication Date
EP3167454A1 true EP3167454A1 (fr) 2017-05-17

Family

ID=53499010

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15733451.7A Withdrawn EP3167454A1 (fr) 2014-07-11 2015-07-01 Conteneur blindé pour le transport et/ou le stockage de matières radioactives

Country Status (3)

Country Link
EP (1) EP3167454A1 (fr)
DE (1) DE102014109778A1 (fr)
WO (1) WO2016005253A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7402407B2 (ja) 2019-04-18 2023-12-21 日亜化学工業株式会社 発光装置、照明装置及び光学部材
KR20220086684A (ko) * 2020-07-30 2022-06-23 퍼블리크노에 악트시오네르노에 옵스체스트보 "노보시비르스키 자보드 힘콘트센트라토브" (파오 엔제트에이치케이) 우라늄 함유 핵분열성 물질의 운송을 위한 운송 포장 세트

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3008992C2 (de) * 1980-03-08 1984-02-02 Transnuklear Gmbh, 6450 Hanau Behälter für den Transport- und/oder die Lagerung radioaktiver Stoffe
US4663533A (en) * 1983-12-27 1987-05-05 Battelle Memorial Institute Storage and shipping cask for spent nuclear fuel
DE4135066C1 (fr) 1991-10-24 1993-04-01 Gns Gesellschaft Fuer Nuklear-Service Mbh, 4300 Essen, De
DE4341338A1 (de) * 1993-12-04 1995-06-08 Schuetz Werke Gmbh Co Kg Metallbehälter für den Transport und die Lagerung von Flüssigkeiten
DE102006038713A1 (de) 2006-05-10 2007-11-29 Schunk Kohlenstofftechnik Gmbh Druckfester fluidbeaufschlagter Körper
JP5882078B2 (ja) * 2012-02-13 2016-03-09 株式会社サンメック 放射線遮蔽装着体および前記放射線遮蔽装着体を使用した放射線遮蔽容器
DE102012106921A1 (de) 2012-07-30 2014-01-30 Steag Energy Services Gmbh Behältersystem zur Endlagerung von radioaktiven nicht-wärmeentwickelnden Abfällen

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
None *
See also references of WO2016005253A1 *

Also Published As

Publication number Publication date
DE102014109778A1 (de) 2016-01-14
WO2016005253A1 (fr) 2016-01-14

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