JPH0310295U - - Google Patents
Info
- Publication number
- JPH0310295U JPH0310295U JP1989071247U JP7124789U JPH0310295U JP H0310295 U JPH0310295 U JP H0310295U JP 1989071247 U JP1989071247 U JP 1989071247U JP 7124789 U JP7124789 U JP 7124789U JP H0310295 U JPH0310295 U JP H0310295U
- Authority
- JP
- Japan
- Prior art keywords
- control rod
- guide
- rod cluster
- shroud
- openings
- 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.)
- Granted
Links
- 239000000446 fuel Substances 0.000 claims description 3
- 239000002826 coolant 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
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図は、本考案による制御棒クラスタ案内管
を部分的に破断して示す立面図、第２図は、本考
案による制御棒クラスタ案内管の要部を第１図の
−線に沿つて示す拡大断面図、第３図は、従
来の制御棒クラスタ案内管を有する原子炉容器内
の冷却材の流れを説明する原子炉断面図、第４図
は、制御棒クラスタ案内管内に挿入される制御棒
クラスタの斜視図、第５図は、第３図に示した従
来の制御棒クラスタ案内管全体の立面図、第６図
は、駆動軸に接続された制御棒クラスタを部分的
に示す、第３図は領域の拡大断面図、第７図は
、第５図の−線に沿つた断面図、第８図は、
第５図の−線に沿つた断面図、第９図は、第
５図の−線に沿つた断面図、第１０図は、第
５図の−線に沿つた断面図である。
３……燃料集合体、６……制御棒クラスタ、７
……制御棒クラスタ案内管、７ａ……上部案内管
（囲い板）、７ｂ……下部案内管（囲い板）、１
３……上部案内板（案内板）、１４……中間案内
板（案内板）、１５……開口部、１６……下部案
内板（最下方の案内板）、１７……底板、１８…
…案内筒、１９……鞘板、２０……流量制限部材
。
FIG. 1 is a partially cutaway elevational view of a control rod cluster guide tube according to the present invention, and FIG. FIG. 3 is a cross-sectional view of a nuclear reactor illustrating the flow of coolant in a reactor vessel with a conventional control rod cluster guide tube, and FIG. FIG. 5 is an elevational view of the entire conventional control rod cluster guide tube shown in FIG. 3, and FIG. 6 is a partial view of the control rod cluster connected to the drive shaft. 3 is an enlarged sectional view of the area, FIG. 7 is a sectional view taken along the line - in FIG. 5, and FIG. 8 is an enlarged sectional view of the area.
FIG. 9 is a cross-sectional view taken along the line - in FIG. 5, FIG. 9 is a cross-sectional view taken along the line - in FIG. 5, and FIG. 10 is a cross-sectional view taken along the line - in FIG. 3...Fuel assembly, 6...Control rod cluster, 7
...Control rod cluster guide tube, 7a... Upper guide tube (shroud plate), 7b... Lower guide tube (shroud plate), 1
3... Upper guide plate (guide plate), 14... Middle guide plate (guide plate), 15... Opening, 16... Lower guide plate (lowest guide plate), 17... Bottom plate, 18...
...Guide tube, 19...Sheath plate, 20...Flow rate restriction member.
Claims (1)
引き抜かれたりする制御棒クラスタを案内するた
め、前記燃料集合体の上方に整列して配置される
制御棒クラスタ案内管であつて、軸方向に離間し
た複数の開口部を下方部に有すると共に、底部に
底板を有する囲い板、該囲い板内において前記開
口部の上方に軸方向に離間して配設された複数の
案内板、及び前記底板と前記複数の案内板の最下
方のものとの間に延在する複数の案内筒及び鞘板
、を備える制御棒クラスタ案内管において、前記
囲い板内には、前記複数の開口部間に流量制限部
材が設けられていることを特徴とする制御棒クラ
スタ案内管。 Control rod cluster guide tubes arranged in alignment above the fuel assembly to guide the control rod clusters inserted into or withdrawn from the fuel assembly, the control rod cluster guide tubes being spaced apart in the axial direction. a shroud having a plurality of openings in its lower part and a bottom plate at the bottom; a plurality of guide plates disposed in the shroud above the openings in an axially spaced manner; and the bottom plate. A control rod cluster guide tube comprising a plurality of guide tubes and sheath plates extending between a lowermost one of the plurality of guide plates, wherein the shroud plate includes a flow restriction between the plurality of openings. A control rod cluster guide tube, comprising: a member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989071247U JPH088478Y2 (en) | 1989-06-20 | 1989-06-20 | Control rod cluster guide tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989071247U JPH088478Y2 (en) | 1989-06-20 | 1989-06-20 | Control rod cluster guide tube |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0310295U true JPH0310295U (en) | 1991-01-31 |
| JPH088478Y2 JPH088478Y2 (en) | 1996-03-06 |
Family
ID=31608106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989071247U Expired - Lifetime JPH088478Y2 (en) | 1989-06-20 | 1989-06-20 | Control rod cluster guide tube |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH088478Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63152599U (en) * | 1987-03-27 | 1988-10-06 |
-
1989
- 1989-06-20 JP JP1989071247U patent/JPH088478Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63152599U (en) * | 1987-03-27 | 1988-10-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH088478Y2 (en) | 1996-03-06 |
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