JPS636396U - - Google Patents
Info
- Publication number
- JPS636396U JPS636396U JP1986098028U JP9802886U JPS636396U JP S636396 U JPS636396 U JP S636396U JP 1986098028 U JP1986098028 U JP 1986098028U JP 9802886 U JP9802886 U JP 9802886U JP S636396 U JPS636396 U JP S636396U
- Authority
- JP
- Japan
- Prior art keywords
- lattice
- cell
- wall surfaces
- rod holding
- fuel
- 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 7
- 238000005192 partition Methods 0.000 claims description 2
- 239000003758 nuclear fuel Substances 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002184 metal 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
Description
第１図ないし第９図は本考案の一実施例を示す
図であつて、第１図はその斜視図、第２図はその
分解斜視図、第３図は上下の格子構成体Ａ１〜Ａ
４，Ｃ１〜Ｃ４の一部拡大平面図、第４図は中間
の格子構成体Ｂ１〜Ｂ４の一部拡大平面図、第５
図は組立前の平面図、第６図は組立前の一部側面
図、第７図はその平面図、第８図は組立後の一部
側面図、第９図はその平面図、第１０図および第
１１図は他の連結手段を示す斜視図、第１２図お
よび第１３図はそれらの縦断面図、第１４図ない
し第１６図は従来の技術を示す図であつて第１４
図はその斜視図、第１５図はその一部平面図、第
１６図はその斜視図である。
Ａ，Ｂ，Ｃ……格子、Ａ１〜Ａ４，Ｂ１〜Ｂ４
，Ｃ１〜Ｃ４……格子構成体、Ｏａ，Ｏｂ，Ｏｃ
……格子中心、ｌ……線分、１０，１１，１４，
１５……ストラツプ（仕切り）、１２，１６……
セル、１３……デインプル（燃料棒保持凸部）、
１７……スプリング（燃料棒保持凸部）、１８…
…金属バンド（連結手段）、１９……Ｔ字型クラ
ンプ（連結手段）、２０……平型クランプ（連結
手段）、２３……クランプ（連結手段）。
1 to 9 are views showing one embodiment of the present invention, in which FIG. 1 is a perspective view thereof, FIG. 2 is an exploded perspective view thereof, and FIG. 3 is a diagram showing upper and lower lattice structures A 1 - A
4 , a partially enlarged plan view of C 1 to C 4 , FIG. 4 is a partially enlarged plan view of intermediate lattice structures B 1 to B 4 , and FIG.
The figure is a plan view before assembly, Fig. 6 is a partial side view before assembly, Fig. 7 is a plan view thereof, Fig. 8 is a partial side view after assembly, Fig. 9 is a plan view thereof, and Fig. 10 is a partial side view before assembly. 11 and 11 are perspective views showing other coupling means, FIGS. 12 and 13 are longitudinal sectional views thereof, and FIGS. 14 to 16 are views showing conventional techniques.
The figure is a perspective view thereof, FIG. 15 is a partial plan view thereof, and FIG. 16 is a perspective view thereof. A, B, C... Lattice, A 1 to A 4 , B 1 to B 4
, C 1 to C 4 ... lattice structure, Oa, Ob, Oc
...Lattice center, l...Line segment, 10, 11, 14,
15...Strap (partition), 12, 16...
Cell, 13... dimple (fuel rod holding protrusion),
17...Spring (fuel rod holding protrusion), 18...
...metal band (connection means), 19...T-shaped clamp (connection means), 20...flat clamp (connection means), 23...clamp (connection means).
Claims (1)
り多数の同一サイズの正方形状のセルを形成して
なる３つの格子Ａ，Ｂ，Ｃが、各セルを互いに対
応させて上、中、下に層状に配され、これら３つ
の格子Ａ，Ｂ，Ｃのセルに燃料棒が貫通される３
層構造に原子炉用燃料集合体の支持格子であつて
、各格子Ａ，Ｂ，Ｃは、その格子中心Ｏａ，Ｏｂ
，Ｏｃを通る互いに直交する２本の線分により４
つの正方形の格子構成体Ａ１〜Ａ４，Ｂ１〜Ｂ４
，Ｃ１〜Ｃ４に等分割され、かつ連結手段により
一体に連結可能に構成されており、さらに、上層
の格子Ａおよび下層の格子Ｃの各格子構成体Ａ１
〜Ａ４，Ｃ１〜Ｃ４中の各セルを画成する４壁面
のうち、隣り合う２壁面には、セル中心に向けて
突出する燃料棒保持凸部が形成され、また中間の
格子の各格子構成体Ｂ１〜Ｂ４中の各セルを画成
する４壁面のうち、全格子Ａ，Ｂ，Ｃを組んだ際
、各格子構成体Ａ１〜Ａ４，Ｃ１〜Ｃ４の各セル
に形成された燃料棒保持凸部と対向する２壁面に
はセル中心に向けて突出する燃料棒保持凸部が形
成されていることを特徴とする支持格子。 Three grids A, B, and C are formed by arranging partitions vertically and horizontally within a square frame to form a large number of square cells of the same size. The fuel rods are arranged in layers, and the fuel rods penetrate the cells of these three grids A, B, and C.
A support lattice for a nuclear reactor fuel assembly has a layered structure, and each lattice A, B, and C has its lattice center Oa, Ob
, 4 by two mutually orthogonal line segments passing through Oc
square grid structures A 1 to A 4 , B 1 to B 4
.
Of the four wall surfaces defining each cell in ~A 4 , C 1 ~C 4 , fuel rod holding convex portions that protrude toward the cell center are formed on two adjacent wall surfaces, and the intermediate lattice When all the lattices A , B, and C are assembled among the four wall surfaces defining each cell in each lattice structure B 1 to B 4 , each of the lattice structures A 1 to A 4 , C 1 to C 4 A support grid characterized in that fuel rod holding protrusions projecting toward the cell center are formed on two wall surfaces facing the fuel rod holding protrusions formed in each cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986098028U JPH055516Y2 (en) | 1986-06-26 | 1986-06-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986098028U JPH055516Y2 (en) | 1986-06-26 | 1986-06-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS636396U true JPS636396U (en) | 1988-01-16 |
| JPH055516Y2 JPH055516Y2 (en) | 1993-02-12 |
Family
ID=30965581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986098028U Expired - Lifetime JPH055516Y2 (en) | 1986-06-26 | 1986-06-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055516Y2 (en) |
-
1986
- 1986-06-26 JP JP1986098028U patent/JPH055516Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055516Y2 (en) | 1993-02-12 |
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