JPS60185299U - Check valve for cooling water in control rod drive hydraulic system - Google Patents

Check valve for cooling water in control rod drive hydraulic system

Info

Publication number
JPS60185299U
JPS60185299U JP1984074209U JP7420984U JPS60185299U JP S60185299 U JPS60185299 U JP S60185299U JP 1984074209 U JP1984074209 U JP 1984074209U JP 7420984 U JP7420984 U JP 7420984U JP S60185299 U JPS60185299 U JP S60185299U
Authority
JP
Japan
Prior art keywords
control rod
rod drive
cooling water
check valve
hydraulic system
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
JP1984074209U
Other languages
Japanese (ja)
Inventor
谷　善信
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 JP1984074209U priority Critical patent/JPS60185299U/en
Publication of JPS60185299U publication Critical patent/JPS60185299U/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

  • Check 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図および第２図は本考案の一実施例を示す図で、第
１図は冷却水用逆止弁の断面図、第２図は径比Ｄ２／Ｄ
□によるボールの不安定性を示す図、第３図乃至第６図
は従来例を示す図で、第３図は制御棒駆動水圧装置の一
部を示す図、第４図は冷却水用逆止弁の断面図、第５図
および第６図はボールの径と着座性との関係を説明する
ために示した冷却水用逆止弁の断面図である。 ２・・・・・・制御棒駆動機構、１４・・・・・・冷却
水配管、１５・・・・・・冷却水用逆止弁、２１・・・
・・・弁本体、２２・・・・・・ボール着座用穴、２３
・・・・・・ボール。Figures 1 and 2 are views showing one embodiment of the present invention, where Figure 1 is a sectional view of a cooling water check valve, and Figure 2 is a diameter ratio D2/D.
Figures 3 to 6 are diagrams showing conventional examples, Figure 3 is a diagram showing a part of the control rod drive hydraulic system, and Figure 4 is a diagram showing the instability of the ball due to □. 5 and 6 are cross-sectional views of a cooling water check valve shown for explaining the relationship between the diameter of the ball and the seating performance. 2...Control rod drive mechanism, 14...Cooling water piping, 15...Cooling water check valve, 21...
... Valve body, 22 ... Ball seating hole, 23
······ball.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 制御棒駆動機構に駆動水を選択的に供給することにより
制御棒駆動機構を駆動させ、制御棒を炉心内に挿入、引
抜させるとともに、冷却水用逆止弁を介挿した冷却水配
管を介して上記制御棒駆動機構に冷却水を供給する制御
棒駆動水圧装置において、上記逆止弁は、弁本体と、こ
の弁本体に形成されたボール着座用穴と、このボール着
座用穴に着座するボールとからなり、上段ボール着座用
穴の径をＤ□とし、上記ボールの径をＤ２とした場合、
Ｄ２／Ｄ□が１．２〜１．６７５の範囲内にあることを
特徴とする制御棒駆動水圧装置の冷却水用逆止弁。By selectively supplying drive water to the control rod drive mechanism, the control rod drive mechanism is driven, and the control rods are inserted into and withdrawn from the reactor core, and are also In the control rod drive hydraulic system that supplies cooling water to the control rod drive mechanism, the check valve includes a valve body, a ball seating hole formed in the valve body, and a ball seating hole that seats in the ball seating hole. If the diameter of the upper corrugated ball seating hole is D□ and the diameter of the ball is D2,
A check valve for cooling water of a control rod drive hydraulic system, characterized in that D2/D□ is within a range of 1.2 to 1.675.
JP1984074209U 1984-05-21 1984-05-21 Check valve for cooling water in control rod drive hydraulic system Pending JPS60185299U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984074209U JPS60185299U (en) 1984-05-21 1984-05-21 Check valve for cooling water in control rod drive hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984074209U JPS60185299U (en) 1984-05-21 1984-05-21 Check valve for cooling water in control rod drive hydraulic system

Publications (1)

Publication Number Publication Date
JPS60185299U true JPS60185299U (en) 1985-12-09

Family

ID=30614291

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984074209U Pending JPS60185299U (en) 1984-05-21 1984-05-21 Check valve for cooling water in control rod drive hydraulic system

Country Status (1)

Country Link
JP (1) JPS60185299U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309891A (en) * 1987-06-11 1988-12-16 Hitachi Ltd Hydraulic device for driving control rod

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58124873A (en) * 1982-01-20 1983-07-25 Hitachi Ltd Submarine check valve
JPS5947900B2 (en) * 1980-06-10 1984-11-22 ソニー株式会社 stereo demodulation circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947900B2 (en) * 1980-06-10 1984-11-22 ソニー株式会社 stereo demodulation circuit
JPS58124873A (en) * 1982-01-20 1983-07-25 Hitachi Ltd Submarine check valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63309891A (en) * 1987-06-11 1988-12-16 Hitachi Ltd Hydraulic device for driving control rod

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