JPS58169587U - Main steam isolation valve - Google Patents

Main steam isolation valve

Info

Publication number
JPS58169587U
JPS58169587U JP1982065656U JP6565682U JPS58169587U JP S58169587 U JPS58169587 U JP S58169587U JP 1982065656 U JP1982065656 U JP 1982065656U JP 6565682 U JP6565682 U JP 6565682U JP S58169587 U JPS58169587 U JP S58169587U
Authority
JP
Japan
Prior art keywords
main steam
valve
steam isolation
isolation valve
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
JP1982065656U
Other languages
Japanese (ja)
Inventor
大倉　稔
菊男 竹島
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP1982065656U priority Critical patent/JPS58169587U/en
Publication of JPS58169587U publication Critical patent/JPS58169587U/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
    • 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

  • Fluid-Driven Valves (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 drawings]

第１図は、従来の外部駆動源説明図、第２図は、　　゛
来者案による外部駆動源説明図である。 １・・・高圧配管、２・・・ダブルチェック弁、３，４
・・・電磁弁、５・・・上部ピストン室、６・・・下部
ピストン、？、８．１０・・・隔離弁、９・・・漏洩処
理系への配管、１１・・・自圧式主蒸気隔離弁、１２・
・・原子炉格納容器。FIG. 1 is an explanatory diagram of a conventional external driving source, and FIG. 2 is an explanatory diagram of an external driving source proposed by a visitor. 1...High pressure piping, 2...Double check valve, 3, 4
... Solenoid valve, 5... Upper piston chamber, 6... Lower piston, ? , 8.10... Isolation valve, 9... Piping to leakage treatment system, 11... Self-pressure main steam isolation valve, 12.
...Reactor containment vessel.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 沸騰水型原子力発電所及び加圧木型原子力発電所に使用
される主蒸気管を隔離するために原子炉格納容器の内側
と外側に設置する主蒸気隔離弁のうち、主蒸気圧力によ
り弁を開閉する自圧式主蒸気隔離弁において、原子炉圧
力低下時に弁の開閉に使用する外部駆動操作源と主蒸気
圧力源との漏洩を防止する系統を設けたことを特徴とし
た主蒸気隔離弁。Among the main steam isolation valves installed inside and outside the reactor containment vessel to isolate the main steam pipes used in boiling water nuclear power plants and pressurized wooden nuclear power plants, the valve is activated by main steam pressure. A self-pressure type main steam isolation valve that opens and closes, characterized by having a system for preventing leakage between an external drive operation source used to open and close the valve and the main steam pressure source when reactor pressure drops.
JP1982065656U 1982-05-07 1982-05-07 Main steam isolation valve Pending JPS58169587U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982065656U JPS58169587U (en) 1982-05-07 1982-05-07 Main steam isolation valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982065656U JPS58169587U (en) 1982-05-07 1982-05-07 Main steam isolation valve

Publications (1)

Publication Number Publication Date
JPS58169587U true JPS58169587U (en) 1983-11-12

Family

ID=30075603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982065656U Pending JPS58169587U (en) 1982-05-07 1982-05-07 Main steam isolation valve

Country Status (1)

Country Link
JP (1) JPS58169587U (en)

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