JPS5921799U - Nozzle closure device - Google Patents

Nozzle closure device

Info

Publication number
JPS5921799U
JPS5921799U JP1983060203U JP6020383U JPS5921799U JP S5921799 U JPS5921799 U JP S5921799U JP 1983060203 U JP1983060203 U JP 1983060203U JP 6020383 U JP6020383 U JP 6020383U JP S5921799 U JPS5921799 U JP S5921799U
Authority
JP
Japan
Prior art keywords
sealing material
cylindrical support
pressure vessel
nozzle
reactor pressure
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
Application number
JP1983060203U
Other languages
Japanese (ja)
Inventor
和雄 酒巻
Original Assignee
株式会社東芝
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP1983060203U priority Critical patent/JPS5921799U/en
Publication of JPS5921799U publication Critical patent/JPS5921799U/en
Pending legal-status Critical Current

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

  • Pressure Vessels And Lids Thereof (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来例を示す断面図、第２図は本考案の一実施
例を示す断面図、第３図は第２図の部分破削拡大平面図
である。 １１・・・原子炉圧力容器、１２・・・主蒸気管、１５
・・・ノズル閉塞装置゛、１７・・・円筒支持体、１８
・・・シール材、１９・・・流体圧シリンダ、２０・・
・移送管。FIG. 1 is a sectional view showing a conventional example, FIG. 2 is a sectional view showing an embodiment of the present invention, and FIG. 3 is an enlarged partially broken plan view of FIG. 2. 11... Reactor pressure vessel, 12... Main steam pipe, 15
... Nozzle closing device, 17... Cylindrical support, 18
...Sealing material, 19...Fluid pressure cylinder, 20...
・Transfer pipe.

Claims (1)

【実用新案登録請求の範囲】 １　原子炉圧力容器内に゛リング状の円筒支持体を配置
し、この円筒支持体の各主蒸気ノズルに対応する位置に
、主蒸気ノズルを中心として同心状にシール材を配置し
、このシール材を原子炉圧力容器壁方向に押圧して円筒
支持体と原子炉圧力容器壁との間を格閉することを特徴
とするノズル閉塞装置。 ２　前記シール材を流体圧により押圧するようにした実
用新案登録請求の範囲第１項記載のノズル閉塞装置。[Scope of Claim for Utility Model Registration] 1. A ring-shaped cylindrical support is disposed within the reactor pressure vessel, and concentric rings are placed at positions corresponding to each main steam nozzle on this cylindrical support with the main steam nozzle as the center. A nozzle closing device characterized in that a sealing material is arranged and the sealing material is pressed toward the wall of the reactor pressure vessel to close the space between the cylindrical support and the wall of the reactor pressure vessel. 2. The nozzle closing device according to claim 1, wherein the sealing material is pressed by fluid pressure.
JP1983060203U 1983-04-21 1983-04-21 Nozzle closure device Pending JPS5921799U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1983060203U JPS5921799U (en) 1983-04-21 1983-04-21 Nozzle closure device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983060203U JPS5921799U (en) 1983-04-21 1983-04-21 Nozzle closure device

Publications (1)

Publication Number Publication Date
JPS5921799U true JPS5921799U (en) 1984-02-09

Family

ID=30190446

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983060203U Pending JPS5921799U (en) 1983-04-21 1983-04-21 Nozzle closure device

Country Status (1)

Country Link
JP (1) JPS5921799U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113793A (en) * 1978-02-24 1979-09-05 Toshiba Corp Block device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54113793A (en) * 1978-02-24 1979-09-05 Toshiba Corp Block device

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