JPH0461100U - - Google Patents
Info
- Publication number
- JPH0461100U JPH0461100U JP1990102246U JP10224690U JPH0461100U JP H0461100 U JPH0461100 U JP H0461100U JP 1990102246 U JP1990102246 U JP 1990102246U JP 10224690 U JP10224690 U JP 10224690U JP H0461100 U JPH0461100 U JP H0461100U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- fuel assembly
- nuclear fuel
- male thread
- lower nozzle
- 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 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction 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図は本考案による原子燃料集合体における
制御棒案内管と下部ノズルの結合部を示す一部断
面側面図、第２図は本考案による制御棒案内管と
下部端栓を詳細に示す側面図、第３図は原子燃料
集合体の全体図、第４図は従来の制御棒案内管と
下部ノズルの結合手段を示す断面図、第５図は、
第４図の下部ノズルを下方から見た場合の部分図
である。図中、
１……原子燃料集合体、４……制御棒案内管、
５……下部ノズル、２０……雄ねじ部、２１……
下部端栓、２３……雌ねじ部、２６……溝。
FIG. 1 is a partially sectional side view showing the joint between the control rod guide tube and the lower nozzle in the nuclear fuel assembly according to the present invention, and FIG. 2 is a side view showing details of the control rod guide tube and the lower end plug according to the present invention. 3 is an overall view of a nuclear fuel assembly, FIG. 4 is a cross-sectional view showing a conventional control rod guide tube and lower nozzle coupling means, and FIG. 5 is a general view of a nuclear fuel assembly.
FIG. 5 is a partial view of the lower nozzle of FIG. 4 when viewed from below; In the figure, 1...Nuclear fuel assembly, 4...Control rod guide tube,
5...Lower nozzle, 20...Male thread part, 21...
Lower end plug, 23... Female threaded portion, 26... Groove.
Claims (1)
部がそれぞれ前記上部ノズル及び前記下部ノズル
に結合され互いに平行に配置された複数の制御棒
案内管と、前記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、前
記支持格子の対応の各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ている原
子燃料集合体において、前記制御棒案内管の下端
部に、雄ねじ部を有する下部端栓を固着し、該雄
ねじ部を前記下部ノズルに設けた雌ねじ部に螺着
したことを特徴とする原子燃料集合体。 an upper nozzle, a lower nozzle, a plurality of control rod guide tubes whose upper and lower end portions are connected to the upper nozzle and the lower nozzle, respectively, and are arranged parallel to each other; In a nuclear fuel assembly comprising a plurality of support grids fixed at intervals, and a plurality of fuel rods inserted and supported through corresponding cells of the support grid and arranged in parallel to each other, the control rods A nuclear fuel assembly, characterized in that a lower end plug having a male thread is fixed to the lower end of the guide tube, and the male thread is screwed into a female thread provided in the lower nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990102246U JPH0461100U (en) | 1990-10-01 | 1990-10-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990102246U JPH0461100U (en) | 1990-10-01 | 1990-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0461100U true JPH0461100U (en) | 1992-05-26 |
Family
ID=31846319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990102246U Pending JPH0461100U (en) | 1990-10-01 | 1990-10-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0461100U (en) |
-
1990
- 1990-10-01 JP JP1990102246U patent/JPH0461100U/ja active Pending
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