JPH01126595U - - Google Patents
Info
- Publication number
- JPH01126595U JPH01126595U JP1988022405U JP2240588U JPH01126595U JP H01126595 U JPH01126595 U JP H01126595U JP 1988022405 U JP1988022405 U JP 1988022405U JP 2240588 U JP2240588 U JP 2240588U JP H01126595 U JPH01126595 U JP H01126595U
- Authority
- JP
- Japan
- Prior art keywords
- fuel assembly
- nuclear fuel
- control rod
- rod guide
- arranged parallel
- 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 6
- 239000000446 fuel Substances 0.000 claims description 2
- 239000002826 coolant Substances 0.000 claims 1
- 238000010586 diagram Methods 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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図は本考案による核燃料集合体の一実施例
を示す概略説明図、第２図は本考案の核燃料集合
体に用いられる異物捕獲スクリーンの部分斜視図
、第３図は異物捕獲スクリーンの格子枠内を示す
平面図、第４図は第３図のＡ―Ａ線に沿つての断
面図、第５図は他の実施例の異物捕獲スクリーン
を示す第３図と同様な平面図、第６図は第５図の
Ｂ―Ｂ線に沿つての断面図、第７図は一般的な核
燃料集合体の正面図、第８図は第７図のＰ―Ｐ線
に沿つての断面図、第９図は従来の核燃料集合体
の下部を示す拡大図である。図中、
１……燃料棒、２……支持グリツド、３……制
御棒案内管、４……上部ノズル、５……下部ノズ
ル、１０……異物捕獲スクリーン、１１……取付
部材、１２……薄板、１３……格子枠、Ｇ１，Ｇ
２……異物。
FIG. 1 is a schematic explanatory diagram showing an embodiment of the nuclear fuel assembly according to the present invention, FIG. 2 is a partial perspective view of a foreign matter trapping screen used in the nuclear fuel assembly of the present invention, and FIG. 3 is a lattice of the foreign matter trapping screen. 4 is a sectional view taken along line AA in FIG. 3; FIG. 5 is a plan view similar to FIG. 3 showing a foreign matter capture screen of another embodiment; FIG. Figure 6 is a cross-sectional view taken along the line B-B in Figure 5, Figure 7 is a front view of a typical nuclear fuel assembly, and Figure 8 is a cross-sectional view taken along the line P-P in Figure 7. , FIG. 9 is an enlarged view showing the lower part of a conventional nuclear fuel assembly. In the figure, 1...Fuel rod, 2...Support grid, 3...Control rod guide tube, 4...Upper nozzle, 5...Lower nozzle, 10...Foreign object capture screen, 11...Mounting member, 12... ... Thin plate, 13... Lattice frame, G 1 , G
2 ...Foreign object.
Claims (1)
を連絡すると共に相互に平行に配置された複数の
制御棒案内管と、該制御棒案内管にその長手方向
に適宜間隔を置いて固定された支持グリツドと、
該支持グリツドの各開口に挿通支持され相互に平
行に配置された複数の燃料棒とを備える核燃料集
合体において、前記下部ノズル内に冷却材流れ孔
を横切つて異物捕獲スクリーンを取り付けたこと
を特徴とする核燃料集合体。 A lower nozzle, an upper nozzle, a plurality of control rod guide tubes communicating between the two nozzles and arranged parallel to each other, and supports fixed to the control rod guide tubes at appropriate intervals in the longitudinal direction thereof. Grid and
In a nuclear fuel assembly comprising a plurality of fuel rods inserted and supported through each opening of the support grid and arranged parallel to each other, a foreign matter trapping screen is installed in the lower nozzle across the coolant flow hole. Characteristic nuclear fuel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988022405U JPH01126595U (en) | 1988-02-24 | 1988-02-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988022405U JPH01126595U (en) | 1988-02-24 | 1988-02-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01126595U true JPH01126595U (en) | 1989-08-29 |
Family
ID=31240495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988022405U Pending JPH01126595U (en) | 1988-02-24 | 1988-02-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01126595U (en) |
-
1988
- 1988-02-24 JP JP1988022405U patent/JPH01126595U/ja active Pending
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