JPS60185299U - Check valve for cooling water in control rod drive hydraulic system - Google Patents
Check valve for cooling water in control rod drive hydraulic systemInfo
- 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
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
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)
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.
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)
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)
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 |
-
1984
- 1984-05-21 JP JP1984074209U patent/JPS60185299U/en active Pending
Patent Citations (2)
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)
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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