JPH03117797U - - Google Patents
Info
- Publication number
- JPH03117797U JPH03117797U JP1990026088U JP2608890U JPH03117797U JP H03117797 U JPH03117797 U JP H03117797U JP 1990026088 U JP1990026088 U JP 1990026088U JP 2608890 U JP2608890 U JP 2608890U JP H03117797 U JPH03117797 U JP H03117797U
- Authority
- JP
- Japan
- Prior art keywords
- pin
- fixing pin
- inlet nozzle
- coolant inlet
- receiving part
- 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
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
- Fuel-Injection Apparatus (AREA)
Description
第１図は本考案の一実施例の原子炉用燃料集合
体を一部断面で示す図。第２図は第１図において
示されている燃料要素の断面図、第３図は第１図
の原子炉用燃料集合体のチヤンネルボツクスと冷
却材入口ノズルとの連結部分を示す平面図、第４
図は従来の分解可能な原子炉用燃料集合体の一部
断面図である。
１……チヤンネルボツクス、２……冷却材入口
ノズル、３……燃料要素、４……ノツクバー、５
……受け部、６……固定ピン、７……廻り止メピ
ン、８……さらネジ、９……ネジ孔、１０……溶
接部。
FIG. 1 is a partial cross-sectional view of a nuclear reactor fuel assembly according to an embodiment of the present invention. FIG. 2 is a sectional view of the fuel element shown in FIG. 4
The figure is a partial cross-sectional view of a conventional disassembleable nuclear reactor fuel assembly. DESCRIPTION OF SYMBOLS 1...Channel box, 2...Coolant inlet nozzle, 3...Fuel element, 4...Knock bar, 5
... Receiving part, 6 ... Fixing pin, 7 ... Rotating stopper pin, 8 ... Countersunk screw, 9 ... Screw hole, 10 ... Welding part.
Claims (1)
と、該核燃料要素の一端を貫通しこれを保持する
ノツクバーと、該ノツクバーのための支持部を有
し前記チヤンネルボツクスに嵌合された冷却材入
口ノズルとからなる原子炉用燃料集合体において
、チヤンネルボツクスと冷却材入口ノズルとの嵌
合部に両者に共通して固定ピンおよび廻り止めピ
ンのための受入部を設け、該受入部に固定ピンお
よび廻り止めピンを挿入し、固定ピンにさらネジ
を挿入して固定ピンを冷却材入口ノズルに固定し
、さらネジの頭部を固定ピンに溶接してなること
を特徴とする原子炉用燃料集合体。 A channel box surrounding a number of nuclear fuel elements, a knock bar penetrating one end of the nuclear fuel element to hold it, and a coolant inlet nozzle having a support for the knock bar and fitted into the channel box. In a nuclear reactor fuel assembly, a receiving part for a fixing pin and a rotation stopper pin is provided in common at the fitting part of the channel box and a coolant inlet nozzle, and a receiving part for a fixing pin and a rotation stopper pin is provided in the receiving part. A nuclear reactor fuel assembly characterized by inserting a pin, inserting a countersunk screw into the fixing pin, fixing the fixing pin to a coolant inlet nozzle, and welding the head of the countersunk screw to the fixing pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990026088U JPH03117797U (en) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990026088U JPH03117797U (en) | 1990-03-16 | 1990-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03117797U true JPH03117797U (en) | 1991-12-05 |
Family
ID=31528999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990026088U Pending JPH03117797U (en) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03117797U (en) |
-
1990
- 1990-03-16 JP JP1990026088U patent/JPH03117797U/ja active Pending