JPS5780182A - Minimum-flow control system for condensate system - Google Patents
Minimum-flow control system for condensate systemInfo
- Publication number
- JPS5780182A JPS5780182A JP15588880A JP15588880A JPS5780182A JP S5780182 A JPS5780182 A JP S5780182A JP 15588880 A JP15588880 A JP 15588880A JP 15588880 A JP15588880 A JP 15588880A JP S5780182 A JPS5780182 A JP S5780182A
- Authority
- JP
- Japan
- Prior art keywords
- condensate
- control valve
- flow
- minimum
- valve
- 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.)
- Granted
Links
Landscapes
- Flow Control (AREA)
Abstract
PURPOSE: To prevent the trouble that a flow control valve is opened at the time when some fault is caused with an electric power source, air source, etc. in a condensate-flow controlling system, by employing an arrangement capable of forcing a condensate minimum-flow control valve to close fully during high-load operation of a nuclear power plant or the like.
CONSTITUTION: A solenoid valve 30 is excited by a control signal 32 given from a feed water flow monitoring switch 29 and feeds air 33 to an actuator 23c of a condensate minimum-flow control valve 23 for fully closing the valve 23 by cancelling operation of a control signal 27 given from a condensate minimum- flow regulator 25. Therefore, during high-load operation of the plant, the control valve 23 is forced to close fully through combined operation of a feed water flow transmitter 22, switch 29 and solenoid valve 30. Resultantly, if some trouble is caused with either of a condensate flow transmitter 21, regulator 25 or a positioner 23b of the control valve 23, the control valve 23 can be fully closed, so that condensate is not passed through the condensate recirculating system.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15588880A JPS5780182A (en) | 1980-11-07 | 1980-11-07 | Minimum-flow control system for condensate system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15588880A JPS5780182A (en) | 1980-11-07 | 1980-11-07 | Minimum-flow control system for condensate system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5780182A true JPS5780182A (en) | 1982-05-19 |
JPS6235592B2 JPS6235592B2 (en) | 1987-08-03 |
Family
ID=15615690
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15588880A Granted JPS5780182A (en) | 1980-11-07 | 1980-11-07 | Minimum-flow control system for condensate system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5780182A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2535834A (en) * | 2015-01-08 | 2016-08-31 | China Nuclear Power Eng Co Ltd | Method for segmental control of auxillary feedwater flow |
-
1980
- 1980-11-07 JP JP15588880A patent/JPS5780182A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2535834A (en) * | 2015-01-08 | 2016-08-31 | China Nuclear Power Eng Co Ltd | Method for segmental control of auxillary feedwater flow |
GB2535834B (en) * | 2015-01-08 | 2019-04-10 | China Nuclear Power Eng Co Ltd | Method for segmental control of auxillary feedwater flow |
Also Published As
Publication number | Publication date |
---|---|
JPS6235592B2 (en) | 1987-08-03 |
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