JPS6187395U

JPS6187395U -

Info

Publication number: JPS6187395U
Application number: JP1984172405U
Authority: JP
Priority date: 1984-11-15
Filing date: 1984-11-15
Publication date: 1986-06-07
Also published as: JPH0249595Y2

Description

[Brief explanation of the drawing]

第１図は本考案による核燃料貯蔵ラツクの第１
実施例を示す部分側面図、第１Ａ図は第１図の平
面図、第１Ｂ図は第１図の１Ｂ−１Ｂ線における
断面図、第１Ｃ図は第１Ｂ図の１Ｃ−１Ｃ線にお
ける断面図、第１Ｄ図は第１図の１Ｄ−１Ｄ線に
おける断面図、第２図は第１図の貯蔵ラツクにお
ける１本のラツクセルを示す側面図、第２Ａ図は
第２図の２Ａ−２Ａ線に沿う断面図、第２Ｂ図は
第２図の２Ｂ部の拡大図、第３図は第２図のラツ
クセルの上端に取り付けられる燃料ガイドを示す
側面図、第３Ａ図は第３図の平面図、第４図は第
２図のラツクセルを構成する下側ラツクセル部分
の断面図、第４Ａ図はその平面図、第５図は第２
図のラツクセルを構成する上側ラツクセル部分の
断面図、第５Ａ図はその平面図、第６図は本考案
による核燃料貯蔵ラツクの第２実施例を示す部分
側面図、第６Ａ図は第６図の平面図、第７図は第
６図の貯蔵ラツクにおける１本のラツクセルを示
す側面図、第７Ａ図は第７図の７Ａ−７Ａ線に沿
う断面図、第８図は第７図のラツクセルを構成す
る下側ラツクセル部分の断面図、第８Ａはその平
面図、第８Ｂ図は第８図の８Ｂ−８Ｂ線に沿う断
面図、第９図は第７図のラツクセルを構成する上
側ラツクセル部分の断面図、第９Ａ図はその平面
図、第１０図は第７図のラツクセル下端の連結構
造を示す底面図、第１０Ａ図は第１０図の１０Ａ
−１０Ａ線に沿う断面図、第１１図は第７図のラ
ツクセル上端の連結構造を示す平面図、第１１Ａ
図は第１１図の１１Ａ−１１Ａ線に沿う断面図、
第１２図は第７図のラツクセル上端の別の連結構
造を示す平面図、第１２Ａ図は第１２図の１２Ａ
−１２Ａ線に沿う断面図、第１３図は従来の核燃
料貯蔵ラツクを示す側面図である。５，１０…下側ラツクセル部分、６，１１…上
側ラツクセル部分、ａ１…燃料集合体、ａ２…燃
料集合体。 Figure 1 shows the first nuclear fuel storage rack according to the present invention.
FIG. 1A is a plan view of FIG. 1, FIG. 1B is a sectional view taken along line 1B-1B of FIG. 1, and FIG. 1C is a sectional view taken along line 1C-1C of FIG. 1B. , FIG. 1D is a sectional view taken along line 1D-1D in FIG. 1, FIG. 2 is a side view showing one rack cell in the storage rack in FIG. 2B is an enlarged view of part 2B in FIG. 2, FIG. 3 is a side view showing the fuel guide attached to the upper end of the rack cell in FIG. 2, and FIG. 3A is a plan view in FIG. 3. FIG. 4 is a sectional view of the lower rack cell part of the rack cell shown in FIG. 2, FIG. 4A is a plan view thereof, and FIG.
5A is a plan view thereof, FIG. 6 is a partial side view showing a second embodiment of the nuclear fuel storage rack according to the present invention, and FIG. A plan view, FIG. 7 is a side view showing one rack cell in the storage rack of FIG. 6, FIG. 7A is a sectional view taken along line 7A-7A in FIG. 7, and FIG. 8A is a plan view thereof, FIG. 8B is a sectional view taken along the line 8B-8B in FIG. 8, and FIG. 9 is a cross-sectional view of the upper rack cell forming the rack cell in FIG. 7. 9A is a plan view thereof, FIG. 10 is a bottom view showing the connection structure of the lower end of the lux cell in FIG. 7, and FIG. 10A is a top view of FIG.
11 is a cross-sectional view taken along line -10A; FIG. 11 is a plan view showing the connection structure of the upper end of the lux cell in FIG. 7;
The figure is a sectional view taken along line 11A-11A in Figure 11,
FIG. 12 is a plan view showing another connection structure of the upper end of the lux cell in FIG. 7, and FIG.
A sectional view taken along the line -12A and FIG. 13 are side views showing a conventional nuclear fuel storage rack. 5, 10...lower rack cell portion, 6,11...upper rack cell portion, a1...fuel assembly, a2...fuel assembly.

Claims

[Scope of utility model registration request]

It has a large number of lux cells, and in the lax cells,
In a nuclear fuel storage rack that receives and stores nuclear fuel assemblies having a substantially rectangular cross section underwater in a fuel pit, the rack cells for receiving each nuclear fuel assembly are configured in multiple stages above and below, and the upper and lower rack cells are A nuclear fuel storage rack characterized in that the racks are arranged so as to be displaced around an axis with respect to each other.