JPH04126199U - Container for radioactive material storage - Google Patents
Container for radioactive material storageInfo
- Publication number
- JPH04126199U JPH04126199U JP4016591U JP4016591U JPH04126199U JP H04126199 U JPH04126199 U JP H04126199U JP 4016591 U JP4016591 U JP 4016591U JP 4016591 U JP4016591 U JP 4016591U JP H04126199 U JPH04126199 U JP H04126199U
- Authority
- JP
- Japan
- Prior art keywords
- container
- radioactive material
- inner flange
- lid member
- storage
- 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- Withdrawn
Links
- 239000012857 radioactive material Substances 0.000 title claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 9
- 239000000941 radioactive substance Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000002915 spent fuel radioactive waste Substances 0.000 description 12
- 230000037431 insertion Effects 0.000 description 9
- 238000003780 insertion Methods 0.000 description 9
- 230000000712 assembly Effects 0.000 description 4
- 238000000429 assembly Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 102000001999 Transcription Factor Pit-1 Human genes 0.000 description 3
- 108010040742 Transcription Factor Pit-1 Proteins 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000001307 helium Substances 0.000 description 2
- 229910052734 helium Inorganic materials 0.000 description 2
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000282994 Cervidae Species 0.000 description 1
- 101150054854 POU1F1 gene Proteins 0.000 description 1
- 229910052778 Plutonium Inorganic materials 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- JFALSRSLKYAFGM-UHFFFAOYSA-N uranium(0) Chemical compound [U] JFALSRSLKYAFGM-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
(57)【要約】
【構成】 有底円筒形状の胴体部１０の上部の内周面１
０ａに、放射性物質１１投入後に蓋部材２３を周溶接す
るための内フランジ部１３が設けられていて、この内フ
ランジ部１３より上方位置における胴体部１０の上端部
内周面１０ａに、吊具２０により内側から係止される係
止部１５が半径方向内方に突出して設けられている。
【効果】 容器９の吊り上げ移動時等に放射性物質１１
の収納部分内部を密閉する溶接部分にクラック等生じる
ことがなく、また優れた徐熱性能を得ることができる。
(57) [Summary] [Configuration] Upper inner peripheral surface 1 of bottomed cylindrical body portion 10
0a is provided with an inner flange portion 13 for circumferentially welding the lid member 23 after the radioactive material 11 is inserted, and a hanging tool 20 is attached to the inner circumferential surface 10a of the upper end of the body portion 10 at a position above the inner flange portion 13. A locking portion 15 that is locked from the inside is provided to protrude radially inward. [Effect] Radioactive materials 11 are released when lifting and moving containers 9, etc.
No cracks occur in the welded part that seals the inside of the housing part, and excellent heat reduction performance can be obtained.
Description
【０００１】0001
本考案は放射性物質貯蔵装置に用いられる容器に関する。 The present invention relates to a container used in a radioactive material storage device.
【０００２】0002
一般に、原子炉で使用された使用済核燃料集合体等は、解体処理するとともに 、プルトニウム等の有用物質を取り出す再処理を行なうようになっている。しか し、軽水型原子炉において使用されるウラン燃料が供給過剰で価格が低下してい る場合や高速増殖炉の実用化が遅れる場合等であると、経済性の点で使用済核燃 料を直ちに再処理することが不利になることも考えられるため、このような状況 の際等には使用済核燃料集合体を必要に応じて適宜貯蔵することが必要であると 考えられている。また、安全上有用物質を取り出した後の放射性廃棄物もガラス 固化体として貯蔵する等の必要があると考えられている。 Generally, spent nuclear fuel assemblies used in nuclear reactors are disassembled and disposed of. , reprocessing to extract useful materials such as plutonium is now underway. deer However, the price of uranium fuel used in light water reactors is falling due to an oversupply. If the commercialization of fast breeder reactors is delayed or if the practical application of fast breeder reactors is delayed, it is economically In such situations, it may be disadvantageous to reprocess the material immediately. When necessary, it is necessary to store spent nuclear fuel assemblies as necessary. It is considered. In addition, radioactive waste after removing substances useful for safety is also made of glass. It is thought that it is necessary to store it as a solidified substance.
【０００３】 上記のような放射性物質を貯蔵する装置に用いられる貯蔵用容器としては、有 底円筒形状をなす胴体部を有するもので、胴体部の内部に放射性物質を入れた後 、上端部にディスク状の蓋部材を搭載し、該蓋部材の外周と胴体部の上端部とを 周溶接して放射性物質の収納部分内部を密閉し、該蓋部材の上部に設けられた吊 持部を吊具で引っ掛け上方に吊り上げて移動等を行なう構造のものが考えられて いる。0003 As storage containers used in equipment for storing radioactive materials such as those mentioned above, It has a body with a cylindrical bottom, and after putting radioactive material inside the body. , a disc-shaped lid member is mounted on the upper end, and the outer periphery of the lid member and the upper end of the body are connected. The inside of the storage area for radioactive materials is sealed by circumferential welding, and a suspension provided at the top of the lid member is attached. A structure in which the holding part is hooked onto a hanging device and lifted upwards for movement, etc. has been considered. There is.
【０００４】0004
しかしながら、上記構造の放射性物質貯蔵用容器においては、蓋部材に吊持部 を設けているため、吊り上げ移動時等に、放射性物質の収納部分内部を密閉する ための溶接部分に負荷がかかってこの部分にクラックを生じてしまうという問題 が危惧されており、また、該内部を密閉するための溶接部分が容器外周方向に突 出していると、この容器を収納管内に収納して貯蔵する場合に、該収納管と容器 との間に不要な隙間が生じ、除熱性能が低下することが予想されている。 However, in the radioactive material storage container with the above structure, the lid member has a hanging part. Because of this, the inside of the storage area for radioactive materials is sealed when lifting and moving. The problem is that the load is applied to the welded part for the purpose, causing cracks in this part. There are also concerns that the welded part used to seal the inside may protrude toward the outer circumference of the container. If the container is stored inside the storage tube, the storage tube and container will be removed. It is expected that an unnecessary gap will be created between the two and the heat removal performance will deteriorate.
【０００５】 したがって、本考案の目的は、容器の吊り上げ移動時等に、放射性物質の収納 部分内部を密閉するための溶接部分に負荷がかかることなく、且つ徐熱性能に優 れた放射性物質貯蔵用容器を提供することである。[0005] Therefore, the purpose of this invention is to prevent the storage of radioactive materials when lifting and moving containers, etc. No load is placed on the welded part for sealing the inside of the part, and it has excellent heat reduction performance. The purpose of the present invention is to provide a container for storing radioactive materials.
【０００６】[0006]
上記目的を達成するために、本考案の放射性物質貯蔵用容器は、有底円筒形状 の胴体部の上部内周面に、放射性物質投入後に蓋部材を周溶接するための内フラ ンジ部が設けられ、該内フランジ部より上方位置における胴体部の上端部内周面 に、吊具により内側から係止される係止部が半径方向内方に突出し設けられてい ることを特徴としている。 In order to achieve the above purpose, the radioactive material storage container of the present invention has a cylindrical shape with a bottom. An inner flap is installed on the upper inner circumferential surface of the fuselage for circumferentially welding the lid member after the radioactive material is injected. the inner peripheral surface of the upper end of the body at a position above the inner flange; A locking part that is locked from the inside by a hanging device is provided and protrudes radially inward. It is characterized by
【０００７】[0007]
本考案の放射性物質貯蔵用容器によれば、有底円筒形状の胴体部に放射性物質 を投入した後に、該胴体部の上部内周面に設けられた内フランジ部に蓋部材を全 周にわたって溶接する。そして、この状態で、内フランジ部より上方位置の係止 部に内側から吊具を係止して吊り上げ、移動等を行なうことになる。したがって 、容器は放射性物質の収納部分内部を密閉するために溶接した蓋部材とは別の部 分により吊り上げ移動等されるため、該内部を密閉するための溶接部分に負荷が かかることがない。さらに、吊具は胴体部から内方に突出した係止部を内側から 係止し、また蓋部材の溶接は胴体部内部で行なわれるため、胴体部外周に突出す る部分がない。 According to the radioactive material storage container of the present invention, the radioactive material is stored in the bottomed cylindrical body. After inserting the lid, completely attach the lid member to the inner flange provided on the upper inner peripheral surface of the body. Weld around the circumference. In this state, the locking position above the inner flange part is A hanging tool is attached to the section from the inside to lift and move it. therefore , the container is a separate part from the welded lid member to seal the inside of the storage area for radioactive materials. Because it is lifted and moved over time, a load is placed on the welded parts used to seal the interior. It never takes. Furthermore, the hanging tool has a locking part that protrudes inward from the body from the inside. Since the welding of the lid member is done inside the body, it protrudes to the outer periphery of the body. There is no part to be used.
【０００８】[0008]
本考案の一実施例による放射性物質貯蔵用容器について図面を参照して以下に 説明する。なお、本実施例においては、放射性物質として使用済核燃料集合体を 貯蔵するものを例にとり説明するが、ガラス固化体等他の放射性物質貯蔵用とし ても適用可能であることは勿論である。 A radioactive material storage container according to an embodiment of the present invention will be described below with reference to the drawings. explain. In addition, in this example, spent nuclear fuel assemblies are used as radioactive materials. The explanation will be given using a storage device as an example, but other radioactive materials storage such as vitrified materials Of course, it is also applicable.
【０００９】 まず、本実施例の放射性物質貯蔵用容器（以下単に容器と称す）を貯蔵する放 射性物質貯蔵装置１について図５を参照して説明する。図５に示すように、該装 置１は中央に位置する貯蔵ピット２に容器収納用の収納管３が複数配設されてお り、これら収納管３の上方には必要に応じて該収納管３内に容器を挿入したりあ るいは収納管３内の容器を吊り上げて移動したりするためのクレーン４が設けら れている。貯蔵ピット２の下部には、外部からの冷却空気が導入される冷却空気 入口シャフト５と連通する入口側通路６が設けられており、また貯蔵ピット２の 上部には、容器から放出される崩壊熱を奪うことにより暖められ上昇する冷却空 気を外部に放出するための冷却空気出口シャフト７に連通する出口側通路８が設 けられている。[0009] First, the radioactive substance storage container of this example (hereinafter simply referred to as a container) is The radioactive substance storage device 1 will be explained with reference to FIG. As shown in Figure 5, the In the storage pit 1, a plurality of storage pipes 3 for storing containers are arranged in a storage pit 2 located in the center. Above these storage pipes 3, containers can be inserted into the storage pipes 3 as necessary. A crane 4 is provided for lifting and moving containers in the storage pipe 3. It is. At the bottom of the storage pit 2, cooling air is introduced into which cooling air is introduced from the outside. An inlet side passage 6 is provided which communicates with the inlet shaft 5, and is also connected to the storage pit 2. At the top, there is cooling air that is heated and rises by taking away the decay heat released from the container. An outlet side passage 8 communicating with the cooling air outlet shaft 7 for discharging air to the outside is provided. I'm being kicked.
【００１０】 次に、本実施例の容器について説明する。図中の符号９は本実施例の容器、符 号１０は該容器９の一部を構成する有底円筒形状の胴体部、符号１１は該容器９ 内に収納される使用済核燃料集合体をそれぞれ示している。0010 Next, the container of this example will be explained. Reference numeral 9 in the figure indicates the container of this example. Reference numeral 10 indicates a cylindrical body portion with a bottom that constitutes a part of the container 9, and reference numeral 11 indicates the container 9. The spent nuclear fuel assemblies housed in each are shown.
【００１１】 胴体部１０の使用済核燃料集合体１１が収納される収納部１２の上部位置の内 周面１０ａには内フランジ部１３が該内周面１０ａに図２にＡで示すように上下 面の外周をそれぞれ周溶接することにより固定されており、該内フランジ部１３ はその内周面が使用済核燃料集合体投入用の穴部１４を形成している。なお、こ の穴部１４は収納されるものの大きさおよび形状に応じて形成されるものである が、本実施例においては、使用済核燃料集合体１１の断面が略四角形状であるた め、穴部１４も略四角形状をなしている。またこの内フランジ部１３は胴体部１ ０と一体的に作製することも可能である。[0011] Inside the upper position of the storage section 12 in which the spent nuclear fuel assembly 11 of the fuselage section 10 is stored. An inner flange portion 13 is provided on the inner circumferential surface 10a, as shown by A in FIG. It is fixed by circumferentially welding the outer periphery of each surface, and the inner flange portion 13 The inner peripheral surface thereof forms a hole 14 for inserting the spent nuclear fuel assembly. In addition, this The hole 14 is formed according to the size and shape of the item to be stored. However, in this example, since the cross section of the spent nuclear fuel assembly 11 is approximately rectangular, The hole 14 also has a substantially rectangular shape. Moreover, this inner flange portion 13 is connected to the body portion 1. It is also possible to manufacture it integrally with 0.
【００１２】 また、胴体部１０の内フランジ部１３より上方位置である上端部の内周面１０ ａには、該内周面１０ａから内方に突出するように係止部１５が４ケ所設けられ ている。この係止部１５は円弧状の外周部１６と直線状の先端部１７とにより外 郭をなすもので、該外周部１６において胴体部１０の内周面１０ａに溶接されて 固定されている。そしてこの固定時に、各先端部１７はそれぞれ上記内フランジ 部１３の四角状穴部１４の対応する各辺部１８と略平行をなし且つ相対する先端 部１７間の距離が穴部１４の相対する辺部１８間の距離より所定量長くなるよう に設けられている。0012 Further, the inner circumferential surface 10 of the upper end portion located above the inner flange portion 13 of the body portion 10 a is provided with four locking portions 15 so as to protrude inward from the inner circumferential surface 10a. ing. This locking portion 15 has an arcuate outer peripheral portion 16 and a linear tip portion 17. It is welded to the inner peripheral surface 10a of the body part 10 at the outer peripheral part 16. Fixed. During this fixing, each tip 17 is connected to the inner flange. A tip that is substantially parallel to and faces each corresponding side portion 18 of the square hole portion 14 of the portion 13 The distance between the portions 17 is longer than the distance between the opposing sides 18 of the hole portion 14 by a predetermined amount. It is set in.
【００１３】 この係止部１５の先端部１７と胴体部１０の内周面１０ａとの連続部分で形成 される挿入穴１９には、例えば図３に示すような形状の吊具２０が上方から挿入 される。この吊具２０は、上述した図５に示すクレーン４の先端に設けられるも ので、十字形状をなす吊部２１と該吊部２１に垂直に設けられクレーン４の先端 に取り付けられる取付部２２とからなっており、吊部２１の各先端部２１ａは、 干渉することなく前記挿入穴１９に挿入され且つ挿入状態で約４５゜回転させて 吊り上げることにより係止部１５を下面で係止するようになっている。なお、吊 部２１の先端部２１ａは、同じ対角線上のもの同士の距離が、挿入穴１９の最大 となる対角線の長さより若干小さく且つ最小となる対角線の長さより大きくなる ように形成すること等で上記のように作用させることができる。[0013] Formed by a continuous portion between the tip 17 of this locking portion 15 and the inner circumferential surface 10a of the body portion 10 For example, a hanger 20 having a shape as shown in FIG. 3 is inserted into the insertion hole 19 from above. be done. This hanging tool 20 is provided at the tip of the crane 4 shown in FIG. 5 mentioned above. Therefore, the cross-shaped hanging part 21 and the tip of the crane 4 provided perpendicularly to the hanging part 21 It consists of a mounting part 22 that is attached to the It is inserted into the insertion hole 19 without interference and rotated about 45 degrees in the inserted state. By lifting it up, the locking portion 15 is locked on the lower surface. In addition, hanging The distal end portion 21a of the portion 21 is such that the distance between the two on the same diagonal line is the maximum of the insertion hole 19. Slightly smaller than the length of the diagonal that becomes and larger than the length of the minimum diagonal By forming it in this manner, the above-described effect can be achieved.
【００１４】 また、内フランジ部１３の上面には使用済核燃料集合体１１挿入後に穴部１４ を封止する蓋部材２３が設けられることになる。この蓋部材２３はディスク状を なし、その外径は係止部１５に引っ掛かることなく内フランジ部１３上面に搭載 され且つ穴部１４を完全に覆うことができるように適宜設定されるものである。 すなわち、例えば蓋部材２３の外径を係止部１５の内接円の径より小さく且つ穴 部１４の最大対角線長さより大きく形成する等である。そして蓋部材２３は、図 ２に示すように穴部１４を完全に覆った状態での位置ずれ防止のために前記穴部 １４に嵌合する凸部２４が下面に形成されており、該凸部２４を穴部１４に嵌合 した状態で内フランジ部１３上面に全周にわたって隙間なく溶接されることにな る（図２においては該溶接部分をＢで示している）。なお、収納部１２内に使用 済核燃料集合体１１を挿入した後、蓋部材２３を溶接する際に収納部１２内にヘ リウム、アルゴン等の不活性ガスを封入するのが好ましい（特にヘリウムが好ま しい）。これは、使用済核燃料集合体１１が発する崩壊熱を外部に良好に伝導す るため、および使用済核燃料集合体１１の酸化防止のためである。[0014] Further, a hole 14 is provided on the upper surface of the inner flange portion 13 after the spent nuclear fuel assembly 11 is inserted. A lid member 23 is provided for sealing. This lid member 23 has a disk shape. None, its outer diameter is mounted on the top surface of the inner flange part 13 without being caught by the locking part 15 It is set appropriately so that the hole portion 14 can be completely covered. That is, for example, the outer diameter of the lid member 23 is smaller than the diameter of the inscribed circle of the locking part 15, and the hole is For example, it is formed to be larger than the maximum diagonal length of the portion 14. The lid member 23 is 2, the hole 14 is completely covered to prevent the position from shifting. A convex portion 24 that fits into the hole 14 is formed on the lower surface, and the convex portion 24 fits into the hole 14. In this state, it will be welded to the upper surface of the inner flange portion 13 all around without any gaps. (The welded portion is indicated by B in FIG. 2). In addition, it is used in the storage section 12. After inserting the completed nuclear fuel assembly 11, when welding the lid member 23, a hole is inserted into the storage part 12. It is preferable to fill in an inert gas such as helium or argon (helium is particularly preferable). ). This effectively conducts the decay heat generated by the spent nuclear fuel assembly 11 to the outside. This is to prevent oxidation of the spent nuclear fuel assembly 11.
【００１５】 一方、胴体部１０の底部２５には、図４に示すように、積み重ね時において下 方に位置する容器９上に、これと同軸に搭載されるように上端部の挿入穴１９と 嵌合する突出部２６が溶接等により固定されている。すなわち、この突出部２６ は外周の一部あるいは全部が挿入穴１９と接触することにより上下容器９が同軸 上から位置ずれしないように両容器９の位置を決めるものである。例えば、その 形状としては、挿入穴１９と同形状あるいは挿入穴１９の各辺部１８に内接する 円形状等を適用することができる。[0015] On the other hand, as shown in FIG. 4, the bottom part 25 of the body part 10 has a The insertion hole 19 at the upper end and the insertion hole 19 at the upper end so that it is mounted coaxially with the container 9 located on the side. The fitting protrusion 26 is fixed by welding or the like. That is, this protrusion 26 The upper and lower containers 9 are coaxial when a part or all of the outer circumference contacts the insertion hole 19. The positions of both containers 9 are determined so that they do not shift from above. For example, that The shape is the same as the insertion hole 19 or inscribed in each side 18 of the insertion hole 19. A circular shape etc. can be applied.
【００１６】 以上のような構造の本実施例の容器９に使用済核燃料集合体１１を挿入した後 、蓋部材２３を内フランジ部１３に周溶接する。この状態で、上述したようにク レーン４を移動して上方から吊具２０を挿入穴１９に挿入し約４５゜回転させて 上方に移動すると係止部１５の下面に吊具２０が係止してこれを吊り上げて移動 し収納管３の中に適宜挿入、あるいは収納管３の中にある容器９を適宜取り出し 移動することになる。よって、容器９は内部を密閉するために溶接した蓋部材２ ３とは別の部分により吊り上げ移動等されるため、蓋部材２３と内フランジ部１ ３との溶接部分Ｂに負荷がかかることはない。勿論、内フランジ部１３と胴体部 １０との溶接部分Ａにも負荷はかからない。さらに、吊具２０は胴体部１０から 内方に突出した係止部１５を内側から係止し、また蓋部材２３の溶接は胴体部１ ０内部で行なわれるため、胴体部１０外周に突出する部分がなく図４に示すよう に胴体部１０の外周と収納管３の内周面との隙間２７を最小限にすることができ る。[0016] After inserting the spent nuclear fuel assembly 11 into the container 9 of this embodiment having the structure as described above, , the lid member 23 is circumferentially welded to the inner flange portion 13. In this state, click as described above. Move lane 4, insert the hanging tool 20 into the insertion hole 19 from above, and rotate it approximately 45 degrees. When moving upward, the hanging tool 20 locks on the lower surface of the locking part 15 and lifts it up. Insert the container 9 into the storage tube 3 or take out the container 9 from the storage tube 3 as appropriate. I will have to move. Therefore, the container 9 has a lid member 2 welded to seal the inside. Since the lid member 23 and the inner flange part 1 are lifted and moved by a part other than 3, No load is applied to the welded part B with 3. Of course, the inner flange part 13 and the body part No load is applied to the welded part A with 10. Furthermore, the hanging tool 20 is The locking portion 15 protruding inward is locked from the inside, and the lid member 23 is welded to the body portion 1. 4, there is no protruding part on the outer periphery of the body 10. The gap 27 between the outer periphery of the body portion 10 and the inner circumferential surface of the storage tube 3 can be minimized. Ru.
【００１７】[0017]
以上詳述したように、本考案の放射性物質貯蔵用容器によれば、吊り上げ移動 等の際に放射性物質の収納部分内部を密閉するための溶接部分に負荷がかからず 、この部分にクラック等生じることがないため、安全性が著しく向上することに なる。また、胴体部から外周に突出する溶接部分等がないので、収納管と容器と の間の隙間を最小限にでき、徐熱性能を著しく向上することができる。 As detailed above, according to the radioactive material storage container of the present invention, the container can be lifted and moved. No load is applied to the welding part used to seal the inside of the storage area of radioactive materials during such cases. Since no cracks will occur in this part, safety will be significantly improved. Become. In addition, since there are no welded parts that protrude from the body to the outer periphery, the storage pipe and container The gap between the two can be minimized, and the heat reduction performance can be significantly improved.
【図１】本考案の一実施例による放射性物質貯蔵用容器
を示す斜視図である。FIG. 1 is a perspective view showing a radioactive material storage container according to an embodiment of the present invention.
【図２】本考案の一実施例による放射性物質貯蔵用容器
の内フランジ部付近を示す断面図である。FIG. 2 is a sectional view showing the vicinity of an inner flange of a radioactive material storage container according to an embodiment of the present invention.
【図３】本考案の一実施例による放射性物質貯蔵用容器
の上端部と吊具を示す斜視図である。FIG. 3 is a perspective view showing the upper end of a radioactive material storage container and a hanging device according to an embodiment of the present invention;
【図４】本考案の一実施例による放射性物質貯蔵用容器
を収納管内に複数積み重ねた状態を示す断面図である。FIG. 4 is a sectional view showing a state in which a plurality of radioactive material storage containers according to an embodiment of the present invention are stacked in a storage tube.
【図５】本考案の一実施例による放射性物質貯蔵用容器
を貯蔵する放射性物質貯蔵装置を示す断面斜視図であ
る。FIG. 5 is a cross-sectional perspective view of a radioactive material storage device for storing radioactive material storage containers according to an embodiment of the present invention.
９ 容器（放射性物質貯蔵用容器） １０ 胴体部 １０ａ 内周面 １１ 使用済核燃料集合体（放射性物質） １３ 内フランジ部 １５ 係止部 ２０ 吊具 ２３ 蓋部材 9 Container (container for radioactive material storage) 10 Body part 10a Inner peripheral surface 11 Spent nuclear fuel assembly (radioactive material) 13 Inner flange part 15 Locking part 20 Hanging equipment 23 Lid member
Claims (1)
放射性物質投入後に蓋部材を周溶接するための内フラン
ジ部が設けられ、該内フランジ部より上方位置における
胴体部の上端部内周面に、吊具により内側から係止され
る係止部が半径方向内方に突出し設けられていることを
特徴とする放射性物質貯蔵用容器。[Claim 1] On the upper inner peripheral surface of the bottomed cylindrical body part,
An inner flange part is provided for circumferentially welding the lid member after the radioactive material is injected, and a locking part that is locked from the inside by a hanging tool is attached to the inner peripheral surface of the upper end of the body at a position above the inner flange part. A radioactive substance storage container characterized by being provided so as to protrude inward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4016591U JPH04126199U (en) | 1991-05-01 | 1991-05-01 | Container for radioactive material storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4016591U JPH04126199U (en) | 1991-05-01 | 1991-05-01 | Container for radioactive material storage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04126199U true JPH04126199U (en) | 1992-11-17 |
Family
ID=31921279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4016591U Withdrawn JPH04126199U (en) | 1991-05-01 | 1991-05-01 | Container for radioactive material storage |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04126199U (en) |
-
1991
- 1991-05-01 JP JP4016591U patent/JPH04126199U/en not_active Withdrawn
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A300 | Application deemed to be withdrawn because no request for examination was validly filed |
Free format text: JAPANESE INTERMEDIATE CODE: A300 Effective date: 19950810 |