JPS62249100A - Vessel for transporting nuclear fuel pellet - Google Patents
Vessel for transporting nuclear fuel pelletInfo
- Publication number
- JPS62249100A JPS62249100A JP61092667A JP9266786A JPS62249100A JP S62249100 A JPS62249100 A JP S62249100A JP 61092667 A JP61092667 A JP 61092667A JP 9266786 A JP9266786 A JP 9266786A JP S62249100 A JPS62249100 A JP S62249100A
- Authority
- JP
- Japan
- Prior art keywords
- nuclear fuel
- pellet
- fuel pellets
- container
- main body
- 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.)
- Granted
Links
- 239000008188 pellet Substances 0.000 title claims description 89
- 239000003758 nuclear fuel Substances 0.000 title claims description 40
- 239000000463 material Substances 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 235000000177 Indigofera tinctoria Nutrition 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229940097275 indigo Drugs 0.000 description 1
- COHYTHOBJLSHDF-UHFFFAOYSA-N indigo powder Natural products N1C2=CC=CC=C2C(=O)C1=C1C(=O)C2=CC=CC=C2N1 COHYTHOBJLSHDF-UHFFFAOYSA-N 0.000 description 1
- OOAWCECZEHPMBX-UHFFFAOYSA-N oxygen(2-);uranium(4+) Chemical compound [O-2].[O-2].[U+4] OOAWCECZEHPMBX-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- FCTBKIHDJGHPPO-UHFFFAOYSA-N uranium dioxide Inorganic materials O=[U]=O FCTBKIHDJGHPPO-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Solid Fuels And Fuel-Associated Substances (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Buffer Packaging (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔発明の目的〕
（産業上の利用分野）
本発明は核燃料ペレット輸送用容器に係り、特に核燃料
ペレットの品質を保持しながら輸送することができるよ
うにした核燃料ペレット輸送用容器に関する。[Detailed Description of the Invention] [Object of the Invention] (Industrial Application Field) The present invention relates to a container for transporting nuclear fuel pellets, and in particular, to a container for transporting nuclear fuel pellets that can be transported while maintaining the quality of the nuclear fuel pellets. Concerning containers for use.
（従来の技術）
従来、一般的なセラミック製品を輸送する場合において
は、輸送用容器内に収納されるセラミック製品を緩衝材
等の使用により支持し、輸送中に発生した振動・１１等
を吸収して、セラミック製品が破損しないようにしてい
た。(Prior art) Conventionally, when transporting general ceramic products, the ceramic products stored in the transport container were supported using cushioning materials, etc., to absorb vibrations and 11 etc. generated during transport. to prevent the ceramic products from being damaged.
（発明が解決しようとする問題点）
ところが、核燃料ペレットは、品質の保持上から水素あ
るいはハロゲン等を含む一般的な！！衝材と接触するこ
とが禁止されているので、緩衝材を使用しても品質が低
下しないで輸送することができる核燃料ペレット輸送用
容器の開発が要望、されている。(Problem to be solved by the invention) However, nuclear fuel pellets generally contain hydrogen or halogen to maintain quality! ! Since contact with cushioning material is prohibited, there is a desire to develop a container for transporting nuclear fuel pellets that can be transported without degrading quality even if cushioning material is used.
また、核燃料ペレットを、輸送元または輸送先で出入れ
作業を行なう場合においては、被ばくの低減および作業
効率の向上を図るために作業性の良い構造の容器が必要
である。Furthermore, when nuclear fuel pellets are to be taken in and out at the transport source or destination, a container with a structure that allows for easy workability is required in order to reduce radiation exposure and improve work efficiency.
本発明は以上のような問題点を解決するためになされた
ものであり、ペレッ収納部に核燃料ペレットを収納して
緩衝材に接触しないようにして、品質を保持しながら輸
送を可能にし、かつ作業性の良い等の核燃料ベレッ（−
輸送用言３を提供することを目的とする。The present invention has been made to solve the above-mentioned problems, and it is possible to store nuclear fuel pellets in a pellet storage part so that they do not come into contact with the cushioning material, and to enable transportation while maintaining quality. Nuclear fuel bellet with good workability (-
The purpose is to provide transportation terminology 3.
（問題点を解決するための手段）
本発明は、核燃料ペレットの直径より僅かに大きな寸法
を有する複数の筒状のペレット収納部を互いに並列に設
けたペレットホルダ一本体の両端に、上記各ペレット収
納部の各端部に嵌挿される弾性プラグが設けられた蓋体
を着脱可能に装着し、上記ホルダ一本体を耐熱、耐衝撃
性を有する容器内に収納するようにしたことを特徴とす
る。(Means for Solving the Problems) The present invention provides a pellet holder in which a plurality of cylindrical pellet storage portions having dimensions slightly larger than the diameter of nuclear fuel pellets are provided in parallel with each other. A lid body provided with an elastic plug to be fitted into each end of the storage portion is removably attached, and the holder main body is housed in a heat-resistant and shock-resistant container. .
（作 用）
ペレットホルダーの一端にホルダー蓋を装着した状態で
、ペレット収納部に押込み装置等により核燃料ペレット
を収納した後にペレットホルダ一本体の他端にホルダー
蓋を装着し、その後上記ペレットホルダ一本体を耐熱、
耐衝撃性を有する容器内に収納して核燃料ペレットの搬
送を行なう。(Function) With the holder lid attached to one end of the pellet holder, nuclear fuel pellets are stored in the pellet storage section using a pushing device, etc., and then the holder lid is attached to the other end of the pellet holder main body. Heat resistant body
Nuclear fuel pellets are transported by storing them in impact-resistant containers.
しかして、この場合上記核燃料ペレットの列は、各ペレ
ット収納部内において両端が弾性プラグによって弾圧さ
れているので、各核燃料ペレットの軸線方向の移動が確
実に防止され、さらにペレット収納部によフて半径方向
の移動も防止される。In this case, the rows of nuclear fuel pellets are compressed at both ends by elastic plugs in each pellet storage section, so that movement of each nuclear fuel pellet in the axial direction is reliably prevented, and furthermore, the rows of nuclear fuel pellets are prevented from moving in the axial direction. Radial movement is also prevented.
しかも、上記各核燃料ペレットを収納したベレッ１−ホ
ルダ一本体を緩衝部材を内蔵する輸送用容器内に収納Ｊ
るので、核燃料ペレットが直接に緩衝部材に接触するこ
とがなく、その品質低下が防止される。Moreover, the bellet 1-holder body containing each of the nuclear fuel pellets mentioned above is stored in a transport container with a built-in buffer member.
Therefore, the nuclear fuel pellets do not come into direct contact with the buffer member, and deterioration of the quality of the nuclear fuel pellets is prevented.
（実施例）
第１図ペレットホルダーは一部切欠の側面図、第２図は
ペレットホルダ一本体の正面図であって、ベレッ１−ホ
ルダー木休１には、核燃料ペレット（図示省略）の直径
より僅かに大きな寸法を有する複数の筒状部のペレット
収納部２が亙いに並列に設けられている。またペレット
ホルダ一本体１の両端には、各ペレット収納部２にそれ
ぞれ嵌挿される多数のスプリング構造等からなる弾性プ
ラグ４が設けられたボルダ−蓋３が着脱可能に装着され
ている。(Example) Fig. 1 is a partially cutaway side view of the pellet holder, and Fig. 2 is a front view of the main body of the pellet holder. A plurality of cylindrical pellet storage sections 2 having slightly larger dimensions are provided in parallel. Further, at both ends of the pellet holder main body 1, a boulder lid 3 is removably attached, and the boulder lid 3 is provided with an elastic plug 4 made of a plurality of spring structures, etc., which is fitted into each pellet storage section 2, respectively.
第３図は緩衝部材を内蔵する輸送用容器を示し、この容
器構造は二酸化ウラン粉末の輸送を使用されている容器
と基本的に同一であり、密封性、耐熱性および耐＠撃性
を確保する。第３図において、外部容器５と内部容器６
の間には、断熱材７が介挿され、内部容１６の上部には
ガスケット８を介して内部容ＥＭ９がボルト１０により
着脱可能に設けられている。また、上記内外両会器によ
って形成された容器の上部開口部には、内面に断熱材１
１がＩＶＡ着された外部容器蓋１２が装着され、さらに
内部容器６内には、前記ペレットホルダ一本体１を弾性
的に載置し得るスプリング構造等からなる！１衝部材１
３が設けられている。Figure 3 shows a transport container with a built-in buffer member, and this container structure is basically the same as the container used for transporting uranium dioxide powder, ensuring sealing, heat resistance, and impact resistance. do. In FIG. 3, an outer container 5 and an inner container 6 are shown.
A heat insulating material 7 is inserted between them, and an internal volume EM9 is provided on the upper part of the internal volume 16 via a gasket 8 so as to be detachable with a bolt 10. In addition, a heat insulating material is placed on the inner surface of the upper opening of the container formed by the above-mentioned inner and outer containers.
An external container lid 12 with a pellet holder 1 attached by IVA is attached, and the inner container 6 has a spring structure etc. that can elastically place the pellet holder main body 1! 1 impact member 1
3 is provided.
そこで、核燃料ベレン１−を輸送する場合には、まずペ
レットホルダ一本体１の一端にホルダー蓋３を装むした
状態で、ペレット収納部２に核燃料ペレットを押込み装
置又は押込み棒（図示省略）により収納した後に、ペレ
ットホルダ一本体１の他端にホルダー蓋３を装着する。Therefore, when transporting the nuclear fuel belen 1-, first place the holder lid 3 on one end of the pellet holder main body 1, and then push the nuclear fuel pellets into the pellet storage section 2 using a device or push rod (not shown). After storing, a holder lid 3 is attached to the other end of the pellet holder main body 1.
このようにして、ペレット収納部２に核燃料ペレットを
収納したペレットホルダ一本体１を、内部容器６の下部
に設けられている緩衝部材１３上に載置してから、ガス
ケット８、内部容２３Ｍ９および外部容器藍１２を装着
する。In this way, the pellet holder main body 1 with nuclear fuel pellets stored in the pellet storage part 2 is placed on the buffer member 13 provided at the lower part of the internal container 6, and then the gasket 8, the internal container 23M9 and The outer container indigo 12 is attached.
また、核燃料ペレットを核燃料ペレット輸送用容器から
取出す場合には、まず、外部容器蓋１２および内部容器
蓋９を開いてからペレットホルダ一本体１を内部容器６
から外部に取出す。つぎにペレットホルダ一本体１の両
端に装着されているホルダー蓋３を取外した状態で、押
込み装置又は押込み棒を使ルして核燃料ペレットをペレ
ットホルダ一本体１のペレット収納部２から押出すこと
ができる。In addition, when taking out nuclear fuel pellets from a container for transporting nuclear fuel pellets, first open the outer container lid 12 and the inner container lid 9, and then insert the pellet holder main body 1 into the inner container 6.
Take it out to the outside. Next, with the holder lids 3 attached to both ends of the pellet holder main body 1 removed, the nuclear fuel pellets are pushed out of the pellet storage section 2 of the pellet holder main body 1 using a pushing device or a pushing rod. Can be done.
上記のような核燃料ペレット輸送用容器のペレットボル
ダ一本体１のペレット収納部２に核燃料ベレン１〜を収
納することによって、ペレット収納部２の寸法が核燃料
ペレットの直径より僅かに大きくなっているので、核燃
料ペレットの半径方向の移動を防止することができる。By storing the nuclear fuel belen 1 in the pellet storage part 2 of the pellet boulder main body 1 of the container for transporting nuclear fuel pellets as described above, the dimensions of the pellet storage part 2 are slightly larger than the diameter of the nuclear fuel pellets. , the radial movement of nuclear fuel pellets can be prevented.
またペレットホルダ一本体１のペレット収納部２の両端
には、スプリング構造等の弾性プラグ４が嵌挿され、ペ
レット列の両端部が弾性プラグ４によって内方に弾圧さ
れているので、各核燃料ペレットの長さにばらつきがあ
っても軸線方向の移動が確実に防止される。またペレッ
トホルダ一本体１のペレット収納部２に核燃料ペレット
を収納し、ペレットホルダ一本体１を緩衝部材１３上に
載置しているので、核燃料ペレットが直接に緩衝部材１
３に接触することがなく品質の低下が生ずるようなこと
もない。In addition, elastic plugs 4 such as a spring structure are fitted into both ends of the pellet storage section 2 of the pellet holder main body 1, and both ends of the pellet row are pressed inward by the elastic plugs 4, so that each nuclear fuel pellet Even if there are variations in length, movement in the axial direction is reliably prevented. In addition, nuclear fuel pellets are stored in the pellet storage portion 2 of the pellet holder main body 1, and the pellet holder main body 1 is placed on the buffer member 13, so that the nuclear fuel pellets are directly stored in the buffer member 1.
3, and there is no possibility of quality deterioration.
またペレットホルダ一本体１を、スプリング構造等の！
！画部材１３上に＆を置しているので、ペレットホルダ
一本体１の取付保持が良好になるとともに、振動・衝撃
が吸収される。また内部容器６は、ガスケット８を介し
て内部容器蓋９をボルト１０で取（ｄけることにより密
封性を確保できる。さらにまた外部容器５と内部容器６
の間には、断熱材７を介挿されており外部容器蓋１２を
締めつける構造となっているので、耐熱性および耐衝撃
性等の法令上の輸送基準を満すことができる。In addition, the pellet holder main body 1 has a spring structure, etc.!
! Since the & is placed on the image member 13, the pellet holder main body 1 is well attached and held, and vibrations and shocks are absorbed. In addition, the inner container 6 can be secured with a gasket 8 by attaching the inner container lid 9 with a bolt 10 to ensure a tight seal.
Since a heat insulating material 7 is inserted between the outer container lid 12 and the outer container lid 12 is tightened, legal transport standards such as heat resistance and impact resistance can be met.
なお、本発明は上記実施例に限定されるものではなくた
とえばペレットホルダ一本体１のペレット収納部２とし
ては第２図に示すような形状に限定されるものではなく
格子状でもよく、さらにペレットホルダ一本体１の形状
も第１図および第２図に示１°ような円筒状に限定され
るものではなく直方体状等でもよい。また、外部容器５
および内部容器６についても、第３図に示すようにペレ
ットホルダ一本体１を縦形に収納する場合に限定される
ものではなくペレットホルダ一本体１を横向きに収納す
る構造でもよい。Note that the present invention is not limited to the above-mentioned embodiments, and for example, the shape of the pellet storage section 2 of the pellet holder main body 1 is not limited to the shape shown in FIG. The shape of the holder main body 1 is not limited to the 1° cylindrical shape shown in FIGS. 1 and 2, but may also be a rectangular parallelepiped shape or the like. In addition, the external container 5
The internal container 6 is also not limited to the case where the pellet holder and main body 1 are stored vertically as shown in FIG. 3, but may have a structure where the pellet holder and main body 1 are stored horizontally.
本発明によればペレットホルダ一本体１のペレット収納
部に核燃料ペレットを収納し、ペレットホルダ一本体を
耐熱性および耐衝撃性を有する容器内における弾発機構
等からなる緩衝部材上に載置しているので、緩衝材に直
接核燃料ペレットが接触することがなく、核燃料ペレッ
トの列が各ペレット収納部内で両端が弾性プラグによっ
て弾圧されているので、各核燃料ペレットの軸線方向の
移動が確実に防止され、しかもペレット収納部によって
半径方向の移動も防止されるので、振動・１１撃等によ
る核燃料ペレットの破損を防止することができる。また
適切な押込み装置等を用いることにより、核燃料ペレッ
トのペレット収納部への出入れ作業を容易に行なうこと
ができて、被ばくの低減および作業効率の向上を図るこ
とができる。According to the present invention, nuclear fuel pellets are stored in the pellet accommodating portion of the pellet holder body 1, and the pellet holder body is placed on a buffer member consisting of an elastic mechanism or the like in a container having heat resistance and impact resistance. This prevents the nuclear fuel pellets from coming into direct contact with the cushioning material, and the rows of nuclear fuel pellets are compressed at both ends by elastic plugs within each pellet housing, reliably preventing each nuclear fuel pellet from moving in the axial direction. Moreover, since the pellet storage section prevents the nuclear fuel pellets from moving in the radial direction, it is possible to prevent the nuclear fuel pellets from being damaged due to vibrations, 11 blows, etc. Furthermore, by using an appropriate pushing device or the like, nuclear fuel pellets can be easily taken in and out of the pellet storage section, thereby reducing radiation exposure and improving work efficiency.
【図面の簡単な説明】
第１図はペレットホルダーの一部切欠側面図、第２図は
ペレットホルダ一本体の正面図、第３図は輸送用容器の
縦断面図である。
１・・・ペレットホルダ一本体、２・・・ペレット収納
部、３・・・ホルダー蓋、４・・・弾性プラグ、５・・
・外部容器、６・・・内部容器、７，１１・・・断熱材
。
出願人代理人 佐 藤 −雄
＄１図 第２図
第３図BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a partially cutaway side view of the pellet holder, FIG. 2 is a front view of the main body of the pellet holder, and FIG. 3 is a longitudinal sectional view of the transport container. DESCRIPTION OF SYMBOLS 1... Pellet holder main body, 2... Pellet storage section, 3... Holder lid, 4... Elastic plug, 5...
- External container, 6... Inner container, 7, 11... Insulating material. Applicant's agent Mr. Sato $1 Figure 2 Figure 3
Claims (1)
数の筒状のペレット収納部を互いに並列に設けたペレッ
トホルダー本体の両端に、上記各ペレット収納部の各端
部に嵌挿される弾性プラグが設けられた蓋体を着脱可能
に装着し、上記ペレットホルダー本体を耐熱、耐衝撃性
を有する容器内に収納するようにしたことを特徴とする
核燃料ペレット輸送用容器。Elastic plugs are provided at both ends of the pellet holder main body, in which a plurality of cylindrical pellet storage portions having dimensions slightly larger than the diameter of the nuclear fuel pellets are provided in parallel with each other, to be fitted into each end of each of the pellet storage portions. 1. A container for transporting nuclear fuel pellets, characterized in that a lid body is removably attached, and the pellet holder body is housed in a container having heat resistance and impact resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092667A JPS62249100A (en) | 1986-04-22 | 1986-04-22 | Vessel for transporting nuclear fuel pellet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61092667A JPS62249100A (en) | 1986-04-22 | 1986-04-22 | Vessel for transporting nuclear fuel pellet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62249100A true JPS62249100A (en) | 1987-10-30 |
| JPH0558517B2 JPH0558517B2 (en) | 1993-08-26 |
Family
ID=14060828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61092667A Granted JPS62249100A (en) | 1986-04-22 | 1986-04-22 | Vessel for transporting nuclear fuel pellet |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62249100A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997042636A1 (en) * | 1996-05-03 | 1997-11-13 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
| WO2002050847A1 (en) * | 2000-12-21 | 2002-06-27 | Cogéma Logistics | Packaging device for bulk transportation of uraniferous fissile materials |
| US6770897B2 (en) | 1996-05-03 | 2004-08-03 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
-
1986
- 1986-04-22 JP JP61092667A patent/JPS62249100A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997042636A1 (en) * | 1996-05-03 | 1997-11-13 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
| US6770897B2 (en) | 1996-05-03 | 2004-08-03 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
| US6825483B2 (en) | 1996-05-03 | 2004-11-30 | British Nuclear Fuels Plc | Container for nuclear fuel transportation |
| US8049194B2 (en) | 1996-05-03 | 2011-11-01 | Uranium Asset Management Limited | Container for nuclear fuel transportation |
| WO2002050847A1 (en) * | 2000-12-21 | 2002-06-27 | Cogéma Logistics | Packaging device for bulk transportation of uraniferous fissile materials |
| FR2818790A1 (en) * | 2000-12-21 | 2002-06-28 | Transnucleaire | PACKAGING DEVICE FOR THE BULK TRANSPORT OF URANIFER FISSIL MATERIAL |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0558517B2 (en) | 1993-08-26 |
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| Date | Code | Title | Description |
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| LAPS | Cancellation because of no payment of annual fees |