JPH0340599U - - Google Patents
Info
- Publication number
- JPH0340599U JPH0340599U JP1989101455U JP10145589U JPH0340599U JP H0340599 U JPH0340599 U JP H0340599U JP 1989101455 U JP1989101455 U JP 1989101455U JP 10145589 U JP10145589 U JP 10145589U JP H0340599 U JPH0340599 U JP H0340599U
- Authority
- JP
- Japan
- Prior art keywords
- main steam
- support ring
- steam line
- line plug
- plug
- 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
- 238000010586 diagram 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
- Pressure Vessels And Lids Thereof (AREA)
Description
第１図〜第８図は本考案の実施例を示す図であ
つて、第１図は原子炉圧力容器内に配置された主
蒸気ラインプラグの平面図、第２図は第１図の
矢視図、第３図はサポートリングの円弧状部を折
り曲げた状態を示す図、第４図は第１図の断面
視図、第５図は第１図の断面視図、第６図は主
蒸気ラインプラグを原子炉圧力容器内に吊り降ろ
している状態を示す図、第７図は原子炉圧力容器
の部分断面図、第８図は主蒸気ラインプラグを原
子路圧力容器内に挿入する状態を示す図である。
また、第９図〜第１１図は従来技術を示す図であ
つて、第９図は原子炉圧力容器内に配置された主
蒸気ラインプラグの平面図、第１０図は主蒸気ラ
インプラグを原子炉圧力容器内に吊り降ろしてい
る状態を示す図、第１１図は原子炉圧力容器の部
分断面図である。
３……主蒸気ノズル、３ａ……孔、４……プラ
グ本体、２１……主蒸気ラインプラグ、２２……
サポートリング、２２ｂ……円弧状部、２３……
ヒンジ、２４……駆動手段、４１……原子炉圧力
容器。
1 to 8 are views showing an embodiment of the present invention, in which FIG. 1 is a plan view of a main steam line plug arranged in a reactor pressure vessel, and FIG. 2 is an arrow shown in FIG. 1. Fig. 3 is a view showing the support ring in a bent state, Fig. 4 is a sectional view of Fig. 1, Fig. 5 is a sectional view of Fig. 1, and Fig. 6 is a main view. Figure 7 is a partial sectional view of the reactor pressure vessel, and Figure 8 is the main steam line plug inserted into the reactor pressure vessel. FIG.
9 to 11 are diagrams showing the prior art, in which FIG. 9 is a plan view of the main steam line plug arranged in the reactor pressure vessel, and FIG. FIG. 11 is a partial cross-sectional view of the reactor pressure vessel, showing the state in which it is suspended in the reactor pressure vessel. 3... Main steam nozzle, 3a... Hole, 4... Plug body, 21... Main steam line plug, 22...
Support ring, 22b... Arc-shaped portion, 23...
Hinge, 24... Drive means, 41... Reactor pressure vessel.
Claims (1)
状に配置されるサポートリングと、該サポートリ
ングの前記主蒸気ノズルの孔と対向する位置に装
着されて前記孔内に内側から挿入されるプラグ本
体とを備えた主蒸気ラインプラグにおいて、 前記サポートリングのプラグ本体左右の円弧状
部を分割するとともに、該円弧状部をヒンジを介
して回動させる駆動手段を設けたことを特徴とす
る主蒸気ラインプラグ。[Claims for Utility Model Registration] A support ring disposed concentrically at the position of the main steam nozzle in the reactor pressure vessel, and a support ring mounted at a position facing the hole of the main steam nozzle of the support ring, In the main steam line plug, the main steam line plug includes a plug body that is inserted from the inside, and a drive means that divides the arcuate portions of the support ring on the left and right sides of the plug body, and rotates the arcuate portions via a hinge. A main steam line plug characterized in that it is provided with a main steam line plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101455U JPH0340599U (en) | 1989-08-30 | 1989-08-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989101455U JPH0340599U (en) | 1989-08-30 | 1989-08-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0340599U true JPH0340599U (en) | 1991-04-18 |
Family
ID=31650408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989101455U Pending JPH0340599U (en) | 1989-08-30 | 1989-08-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0340599U (en) |
-
1989
- 1989-08-30 JP JP1989101455U patent/JPH0340599U/ja active Pending