JPS6148877B2 - - Google Patents
Info
- Publication number
- JPS6148877B2 JPS6148877B2 JP55079004A JP7900480A JPS6148877B2 JP S6148877 B2 JPS6148877 B2 JP S6148877B2 JP 55079004 A JP55079004 A JP 55079004A JP 7900480 A JP7900480 A JP 7900480A JP S6148877 B2 JPS6148877 B2 JP S6148877B2
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- width
- upper horizontal
- horizontal frame
- dimension
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000037431 insertion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005855 radiation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Warehouses Or Storage Devices (AREA)
Description
【発明の詳細な説明】
本発明は、水平移動式の制御棒貯蔵ラツクに係
り、特に放射性固体廃棄物貯蔵設備に使用するに
好適な水平移動式の制御棒貯蔵ラツクの構造に関
するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a horizontally movable control rod storage rack, and more particularly to the structure of a horizontally movable control rod storage rack suitable for use in a radioactive solid waste storage facility.
制御棒貯蔵ラツクには、制御棒を制御棒貯蔵ラ
ツクの真上から挿入する垂直挿入式と、制御棒貯
蔵ラツクの側面から挿入する水平移動式とがあ
り、水平移動式は垂直挿入式に比較して、貯蔵プ
ールの水深を浅くできる利点がある。 There are two types of control rod storage racks: vertical insertion type, in which control rods are inserted from directly above the control rod storage rack, and horizontal movement type, in which control rods are inserted from the side of the control rod storage rack.The horizontal movement type is compared to the vertical insertion type. This has the advantage that the water depth of the storage pool can be made shallow.
ところで、従来の水平移動式の制御棒貯蔵ラツ
クは、制御棒のうちで最も幅方向寸法の大きい下
部の駆動装置との結合部の寸法を基に制御棒貯蔵
ラツクのフレームの間隔が決められており、従つ
て貯蔵密度が小さい欠点があり、しかも誤操作に
より制御棒を垂直に引き抜いて貯蔵プール水面上
の放射線量を増大させてしまうおそれがある。 By the way, in conventional horizontally movable control rod storage racks, the spacing between the frames of the control rod storage rack is determined based on the dimension of the lower part of the control rods that connects to the drive device, which is the largest in the width direction. Therefore, the storage density is low, and there is a risk that the control rod may be pulled out vertically due to an erroneous operation, increasing the radiation dose on the water surface of the storage pool.
本発明の目的は、制御棒の貯蔵密度を大きくで
き、しかも誤操作時において制御棒を垂直方向に
引き抜き得ない制御棒貯蔵ラツクを提供すること
にある。 SUMMARY OF THE INVENTION An object of the present invention is to provide a control rod storage rack which can increase the storage density of control rods and prevent the control rods from being pulled out in the vertical direction in the event of an erroneous operation.
本発明は、制御棒形状における本体の断面形状
が十字形のブレード部分に比較して、下部の駆動
装置との結合部分の寸法が大きいことに着目し、
制御棒貯蔵ラツクの支柱の幅を、制御棒の挿入方
向より見て上部水平フレームの幅より小さくする
ことにより、制御棒のブレード部分の最小投影寸
法を基に制御棒貯蔵ラツクの上部水平フレーム間
の間隔を決められるようにすることによつて、制
御棒の貯蔵密度を大きくでき、しかも誤操作の場
合にも制御棒を垂直方向には引き抜き得ないよう
にしたものである。 The present invention focuses on the fact that the cross-sectional shape of the main body in the control rod shape is larger than that of the blade portion, which is connected to the lower driving device.
By making the width of the support of the control rod storage rack smaller than the width of the upper horizontal frame when viewed from the control rod insertion direction, the distance between the upper horizontal frames of the control rod storage rack is determined based on the minimum projected dimension of the control rod blade part. By making it possible to determine the spacing between the rods, the storage density of the control rods can be increased, and the control rods cannot be pulled out in the vertical direction even in the event of an erroneous operation.
以下、本発明を図面に基づいて説明する。 Hereinafter, the present invention will be explained based on the drawings.
第１図、第２図は、本発明の一実施例を示し、
制御棒貯蔵ラツクはベース１、支柱２、上部水平
フレーム３、これに取り付けられた止め金具４と
を有して構成されている。 1 and 2 show an embodiment of the present invention,
The control rod storage rack comprises a base 1, a column 2, an upper horizontal frame 3, and a fastener 4 attached thereto.
前記支柱２は、制御棒の挿入方向より見た幅ｌ
が上部水平フレーム３の幅l′よりも小さく設定さ
れている。 The support column 2 has a width l seen from the control rod insertion direction.
is set smaller than the width l' of the upper horizontal frame 3.
そして、支柱２，２間の内のり寸法は、第２図
に矢印ａで示される水平方向より制御棒貯蔵ラツ
クへの制御棒の出入時に、制御棒下部１０を通過
させうる最小寸法に形成されている。 The inner dimension between the struts 2 and 2 is formed to be the minimum dimension that allows the control rod lower part 10 to pass through when the control rod is moved in and out of the control rod storage rack in the horizontal direction shown by arrow a in FIG. There is.
また、上部水平フレーム３，３間の内のり寸法
は、制御棒ブレード部１１の最小投影寸法と制御
棒の出入に必要な最小の隙間寸法を加えた値、す
なわち前記矢印ａで示される水平方向より制御棒
ラツクへの制御棒の出入時に、制御棒ブレード部
１１の最小投影寸法の形態で通過させうる最小寸
法に形成されていて、制御棒下部１０より小さい
寸法に設定されている。 In addition, the inner dimension between the upper horizontal frames 3, 3 is the sum of the minimum projected dimension of the control rod blade section 11 and the minimum gap dimension necessary for the control rod to enter and exit, that is, from the horizontal direction indicated by the arrow a. The control rod blade section 11 is formed to have a minimum dimension that allows the control rod to pass through when entering and leaving the control rod rack in the form of the minimum projected dimension of the control rod blade section 11, and is set to be smaller than the control rod lower part 10.
前記止め金具４は、上部水平フレーム３，３間
に跨設され、一端部は一方の上部水平フレーム３
にヒンジ５を介して結合され、他端部は制御棒の
挿入、貯蔵時に、他方の上部水平フレーム３にボ
ルト６で止着されるようになつている。 The stopper 4 is installed between the upper horizontal frames 3, 3, and one end is attached to one of the upper horizontal frames 3.
The control rod is connected to the control rod via a hinge 5, and the other end is fixed to the other upper horizontal frame 3 with a bolt 6 when the control rod is inserted or stored.
前述構成の制御棒貯蔵ラツクでは、制御棒の貯
蔵時には止め金具４をヒンジ５を介して開き、第
２図に矢印ａで示される水平方向から制御棒を挿
入し、ベース１上に制御棒下部１０の底面を載置
するとともに、支柱２，２間に制御棒下部１０
を、また上部水平フレーム３，３間に制御棒ブレ
ード部１１をそれぞれ収納する。 In the control rod storage rack configured as described above, when storing control rods, the stopper 4 is opened via the hinge 5, the control rods are inserted from the horizontal direction shown by arrow a in FIG. At the same time, the lower part of the control rod 10 is placed between the support columns 2 and 2.
, and the control rod blade portion 11 is housed between the upper horizontal frames 3, 3, respectively.
ついで、止め金具４を上部フレーム３，３間に
掛け渡し、該止め金具４をボルト６で固定し、第
１図、第２図に示されるように、制御棒貯蔵ラツ
クに制御棒を設置し、固定する。 Next, the stopper 4 is hung between the upper frames 3, 3, the stopper 4 is fixed with the bolt 6, and the control rod is installed in the control rod storage rack as shown in FIGS. 1 and 2. , fixed.
前述制御棒貯蔵ラツクにおいて、支柱２の幅ｌ
を上部水平フレーム３の幅l′よりも小さく設定し
ているので、制御棒１本当りの貯蔵に要する面積
を少なくでき、したがつて制御棒の貯蔵密度を大
きくなしうる。 In the control rod storage rack mentioned above, the width l of the support column 2
Since the width l' of the upper horizontal frame 3 is set smaller than the width l' of the upper horizontal frame 3, the area required for storing each control rod can be reduced, and therefore the storage density of control rods can be increased.
また、上部水平フレーム３の幅l′が支柱２の幅
ｌよりも大きくされ、上部水平３，３間の内のり
寸法が制御棒下部１０の寸法よりも小さく設定さ
れているので、制御棒の貯蔵中に誤まつて制御棒
を引き上げた場合であつても、上部水平フレーム
３，３間に制御棒下部１０が当接し、制止され
る。 In addition, the width l' of the upper horizontal frame 3 is made larger than the width l of the support column 2, and the inner dimension between the upper horizontal frames 3 and 3 is set smaller than the dimension of the control rod lower part 10, so that the control rods can be stored. Even if the control rod is pulled up by mistake, the lower control rod 10 will come into contact between the upper horizontal frames 3, 3 and be stopped.
つぎに、第３図は本発明の他の実施例を示す。
この実施例では、支柱２が下部部材２０と下部水
平フレーム２１と上部部材２２とを接続して構成
され、上部部材２２の上端部に上部水平フレーム
３が取り付けられる。また、前記下部部材２０に
おける制御棒の挿入方向から見た幅ｌは、上部水
平フレーム３の幅l′よりも小さくされ、下部水平
フレーム２１と上部部材２２は上部水平フレーム
３の幅l′と同じ幅に形成されている。 Next, FIG. 3 shows another embodiment of the present invention.
In this embodiment, the support column 2 is constructed by connecting a lower member 20, a lower horizontal frame 21, and an upper member 22, and the upper horizontal frame 3 is attached to the upper end of the upper member 22. Furthermore, the width l of the lower member 20 viewed from the control rod insertion direction is smaller than the width l' of the upper horizontal frame 3, and the width l' of the lower horizontal frame 21 and the upper member 22 is smaller than the width l' of the upper horizontal frame 3. are formed to the same width.
そして、下部部材２０，２０間の内のり寸法
は、制御棒下部１０を出入しうる最小寸法に設定
され、下部水平フレーム２１，２１間および上部
部材２２，２２間の内のり寸法は、制御棒ブレー
ド部１１を最小投影寸法の形態において出入しう
る最小寸法に設定されている。 The inner dimension between the lower members 20 and 20 is set to the minimum dimension that allows the control rod to move in and out of the lower part 10, and the inner dimension between the lower horizontal frames 21 and 21 and between the upper members 22 and 22 is set to the minimum dimension that allows the control rod to move in and out of the lower part 10. 11 is set as the minimum dimension that can be moved in and out in the form of the minimum projected dimension.
この第３図に示される実施例のものは、貯蔵中
の制御棒を誤操作により引き上げた場合、下部水
平フレーム２１，２１間に制御棒下部１０が当接
するので、制御棒の引き上げ高さを、より小さく
制限できるとともに、制御棒の挿入時に制御棒を
下部水平フレーム２１と上部水平フレーム３とで
案内しうるので、制御棒を円滑に挿入できる外
は、前述の第１図、第２図に示される実施例と同
様である。 In the embodiment shown in FIG. 3, if the control rod in storage is pulled up by mistake, the lower control rod 10 will come into contact between the lower horizontal frames 21, 21, so the height at which the control rod will be pulled up will be reduced. In addition to being able to limit the control rod to a smaller size, the control rod can be guided by the lower horizontal frame 21 and the upper horizontal frame 3 during insertion, so the control rod can be inserted smoothly. Similar to the example shown.
本発明は、以上説明した構成、作用のもので、
本発明によれば制御棒貯蔵ラツクの上部水平フレ
ームの間隔を、制御棒ブレード部の最小投影寸法
を基に決められるので、制御棒の貯蔵密度を大き
くできる効果を有するとともに、誤操作の場合も
制御棒を引き抜くことができないため、プール水
面上の放射能線量を増大させてしまうおそれを未
然に解消しうる効果がある。 The present invention has the configuration and operation described above,
According to the present invention, since the interval between the upper horizontal frames of the control rod storage rack can be determined based on the minimum projected dimension of the control rod blade section, it is possible to increase the storage density of control rods, and also to prevent errors in case of erroneous operation. Since the rod cannot be pulled out, it has the effect of eliminating the risk of increasing the radiation dose on the pool water surface.
第１図は本発明の一実施例を示す平面図、第２
図は同平面図、第３図は他の実施例を示す正面図
である。
１……ベース、２……支柱、３……上部水平フ
レーム、４……止め金具、１０……制御棒下部、
１１……制御棒ブレード部、ｌ……支柱の幅、
l′……上部水平フレームの幅。
FIG. 1 is a plan view showing one embodiment of the present invention, and FIG.
This figure is a plan view of the same, and FIG. 3 is a front view showing another embodiment. 1... Base, 2... Support, 3... Upper horizontal frame, 4... Stopper, 10... Lower control rod,
11...control rod blade part, l...width of support column,
l′……Width of the upper horizontal frame.
Claims (1)
御棒の挿入方向より見た支柱の幅を、上部水平フ
レームの幅より小さくしたことを特徴とする制御
棒貯蔵ラツクの構造。1. A structure of a horizontally movable control rod storage rack, characterized in that the width of the support column viewed from the control rod insertion direction is smaller than the width of the upper horizontal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7900480A JPS576393A (en) | 1980-06-13 | 1980-06-13 | Control rod strage rack structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7900480A JPS576393A (en) | 1980-06-13 | 1980-06-13 | Control rod strage rack structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS576393A JPS576393A (en) | 1982-01-13 |
| JPS6148877B2 true JPS6148877B2 (en) | 1986-10-27 |
Family
ID=13677800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7900480A Granted JPS576393A (en) | 1980-06-13 | 1980-06-13 | Control rod strage rack structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS576393A (en) |
-
1980
- 1980-06-13 JP JP7900480A patent/JPS576393A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS576393A (en) | 1982-01-13 |
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