JPS63174096U - - Google Patents
Info
- Publication number
- JPS63174096U JPS63174096U JP1987015484U JP1548487U JPS63174096U JP S63174096 U JPS63174096 U JP S63174096U JP 1987015484 U JP1987015484 U JP 1987015484U JP 1548487 U JP1548487 U JP 1548487U JP S63174096 U JPS63174096 U JP S63174096U
- Authority
- JP
- Japan
- Prior art keywords
- hollow guide
- sleeve
- guide tube
- nuclear fuel
- frictional force
- 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.)
- Pending
Links
- 239000003758 nuclear fuel Substances 0.000 claims description 7
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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図は本考案を適用できる核燃料集合体を示
す側面概略図、第２図は第１図の―線に沿つ
た概略断面図、第３図は本考案の核燃料集合体の
下端部を詳細に示す部分側面図、第４図は本考案
のスリーブと制御棒案内管との関係を示す断面図
、第５図は第４図の―線に沿つた断面図、第
６図は従来の核燃料集合体の下端部の構造を示す
第３図と同様の部分側面図である。
１…中空案内管（制御棒案内管）、２…上部ノ
ズル板、３…下部ノズル板、４…支持格子、５…
開口、６…核燃料棒、１４…スリーブ、１５…最
下部支持格子。
Figure 1 is a schematic side view showing a nuclear fuel assembly to which the present invention can be applied, Figure 2 is a schematic sectional view taken along the - line in Figure 1, and Figure 3 is a detailed view of the lower end of the nuclear fuel assembly of the present invention. FIG. 4 is a cross-sectional view showing the relationship between the sleeve of the present invention and the control rod guide tube, FIG. 5 is a cross-sectional view taken along the line - in FIG. FIG. 4 is a partial side view similar to FIG. 3 showing the structure of the lower end of the assembly. 1...Hollow guide tube (control rod guide tube), 2...Upper nozzle plate, 3...Lower nozzle plate, 4...Support grid, 5...
Opening, 6... Nuclear fuel rod, 14... Sleeve, 15... Lowermost support grid.
Claims (1)
記中空案内管の両端にそれぞれ固定された上部ノ
ズル板および下部ノズル板、前記中空案内管の長
手方向に間隔を置いて配置されて支持され、それ
ぞれ多数の開口を有する複数の支持格子、及び前
記支持格子の開口に挿通されて、前記支持格子と
の間の摩擦力により支持された多数の核燃料棒を
有する核燃料集合体に於いて、 前記支持格子のうち最下部の支持格子に固着さ
れて、前記中空案内管が挿通されるスリーブを有
し、前記スリーブは、前記中空案内管に摩擦接触
して前記スリーブと前記中空案内管との間の摩擦
力により前記中空案内管を支持し、前記支持格子
と前記核燃料棒との間の摩擦力は、前記スリーブ
と前記中空案内管との間の摩擦力よりも大きいも
のであることを特徴とする核燃料集合体。[Claims for Utility Model Registration] A plurality of hollow guide tubes arranged parallel to each other, an upper nozzle plate and a lower nozzle plate respectively fixed to both ends of the hollow guide tubes, spaced apart from each other in the longitudinal direction of the hollow guide tubes. A nuclear fuel assembly comprising a plurality of support grids arranged and supported, each having a number of openings, and a number of nuclear fuel rods inserted through the openings of the support grid and supported by a frictional force between them and the support grid. The body includes a sleeve that is fixed to the lowermost support grid among the support grids and through which the hollow guide tube is inserted, and the sleeve is in frictional contact with the hollow guide tube so that the sleeve and the The hollow guide tube is supported by a frictional force between the support grid and the nuclear fuel rod, and the frictional force between the sleeve and the hollow guide tube is greater than the frictional force between the sleeve and the hollow guide tube. A nuclear fuel assembly characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015484U JPS63174096U (en) | 1987-02-06 | 1987-02-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987015484U JPS63174096U (en) | 1987-02-06 | 1987-02-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63174096U true JPS63174096U (en) | 1988-11-11 |
Family
ID=30806462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987015484U Pending JPS63174096U (en) | 1987-02-06 | 1987-02-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63174096U (en) |
-
1987
- 1987-02-06 JP JP1987015484U patent/JPS63174096U/ja active Pending