JPH044297U - - Google Patents
Info
- Publication number
- JPH044297U JPH044297U JP1990044577U JP4457790U JPH044297U JP H044297 U JPH044297 U JP H044297U JP 1990044577 U JP1990044577 U JP 1990044577U JP 4457790 U JP4457790 U JP 4457790U JP H044297 U JPH044297 U JP H044297U
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- rod guide
- support grid
- guide tube
- guide tubes
- 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 4
- 239000000446 fuel Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method 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第１の実
施例であり、支持格子と制御棒案内管との間のス
リーブを拡大して示す側面図、第２図は第１図の
Ａ−Ａ線に沿つての断面図、第３図は本考案の第
２の実施例を示す第１図と同様な拡大側面図、第
４図は第３図のＢ−Ｂ線に沿つての断面図、第５
図及び第６図は第３図のスリーブのベーンを形成
する手順を示す説明図、第７図は一般的な核燃料
集合体の正面図、第８図は従来一般の支持格子、
制御棒案内管及びスリーブを示す側面図、第９図
は第８図のＣ−Ｃ線に沿つての断面図である。図
中、
１……燃料棒、２……支持格子、３……制御棒
案内管、７……制御棒案内管用セル、９……スリ
ーブ、２０……拡管部、２１……ベーン。
FIG. 1 shows a first embodiment of a nuclear fuel assembly according to the present invention, and is an enlarged side view showing a sleeve between a support grid and a control rod guide tube, and FIG. 2 is an A-A in FIG. 1. 3 is an enlarged side view similar to FIG. 1 showing a second embodiment of the present invention, and FIG. 4 is a sectional view taken along line B-B in FIG. 3. , 5th
6 and 6 are explanatory diagrams showing the procedure for forming the vanes of the sleeve shown in FIG. 3, FIG. 7 is a front view of a general nuclear fuel assembly, and FIG. 8 is a conventional general support grid,
FIG. 9 is a side view showing the control rod guide tube and sleeve, and FIG. 9 is a sectional view taken along the line CC in FIG. 8. In the figure, 1... fuel rod, 2... support grid, 3... control rod guide tube, 7... cell for control rod guide tube, 9... sleeve, 20... tube expansion section, 21... vane.
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複数の支持格子と
、該支持格子の各燃料棒用セルに挿通支持され相
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、中間部の前記支持格子の制
御棒案内管用セルと該制御棒案内管用セルに挿通
される前記制御棒案内管との間に介設され両者を
結合しているスリーブに、冷却水混合促進手段を
設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 a plurality of control rod guide tubes fixed to the control rod guide tubes at appropriate intervals in the longitudinal direction thereof. A nuclear fuel assembly comprising a support grid, and a plurality of fuel rods inserted through and supported by each fuel rod cell of the support grid and arranged in parallel to each other, wherein the control rod guide tube cell of the support grid in an intermediate part and A nuclear fuel assembly characterized in that cooling water mixing promoting means is provided on a sleeve interposed between the control rod guide tube inserted into the control rod guide tube cell and connecting the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044577U JPH044297U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990044577U JPH044297U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH044297U true JPH044297U (en) | 1992-01-16 |
Family
ID=31558004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990044577U Pending JPH044297U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517889Y1 (en) * | 1970-12-29 | 1976-03-02 |
-
1990
- 1990-04-27 JP JP1990044577U patent/JPH044297U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS517889Y1 (en) * | 1970-12-29 | 1976-03-02 |