SU909415A1 - Feed water feeding automatic control system - Google Patents
Feed water feeding automatic control system Download PDFInfo
- Publication number
- SU909415A1 SU909415A1 SU802935319A SU2935319A SU909415A1 SU 909415 A1 SU909415 A1 SU 909415A1 SU 802935319 A SU802935319 A SU 802935319A SU 2935319 A SU2935319 A SU 2935319A SU 909415 A1 SU909415 A1 SU 909415A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- flow
- feed water
- control system
- automatic control
- water feeding
- Prior art date
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- Control Of Water Turbines (AREA)
Description
Изобретение относитс к автоматическому регулированию расхода воды по потокам двухпоточного парогенератора, работающего в блоке с турбогенератором. Известен способ автоматического регулировани подачи питательной воды а двухпоточнь$й п огенератор от общей магистрали с питательным насосом с установленным в каждом потоке питательным клапаном путем изменени положени каждого клапана по сигналам задани и расхода воды в своем потоке, измерени в каждом потоке командного сигнала вьще лени из измеренных сигналов экстремаль ного и .изменени по последнему 1фоизводительиости насоса. В качестве командного сигнала в способе испольауют выходной сигнал регул торов питательных клапанов i. Недостатком способа вл етс то, что выходной сигнал регул торов не совсем отражает услови работы клапанов, что может привести к снижению надежности их работьь Цель изобретени - повышение кадвж ностн . Поставленна цель достигаетс тем, что в качестве командного сигнала в каждом потоке используют давлени воды на своем питательном клапане. На чертеже щжведена схема реализации сгазсоба. Схема содержит датчики I и 2 перепада давлений на питательных клапанах 3 и 4, подключенные через блок 5 вьще« лени минимума совместно с задатчиком 6 к регул тору 7 гфоизводительности питательного насоса 8. К регул торам 9 и 10 расхода воды по потокам подключены датчики 11 и 12 расхода воды в своем потоке и задатчики 13 и 14. Выход каждого регул тора 9 и to подключен к своему питательному клапану 3 н 4. Схема р отает следующим офазом. Регул торы 9 и 1О расходов воды по потокам у|фавл ют подачей воды от насоса 8 каждый по своему потоку. СигиаThe invention relates to the automatic regulation of the flow of water through the flows of a double-flow steam generator operating in a unit with a turbo-generator. A known method of automatically regulating the feed water supply and a two-point generator from a common line with a feed pump with a feed valve installed in each flow by changing the position of each valve by reference signals and the flow of water in its flow, measuring in each flow a command signal from a lazy measured signals of extreme and change according to the latest pump performance. In the method, the output signal of the regulator control valves i is used as a command signal. The disadvantage of this method is that the output signal of the regulators does not quite reflect the operating conditions of the valves, which can lead to a decrease in the reliability of their operation. The purpose of the invention is to increase the efficiency. This goal is achieved by using water pressure at its feed valve as a command signal in each stream. In the drawing there is a schema for the implementation of the sgassob. The scheme contains sensors I and 2 pressure differences on the feed valves 3 and 4, connected through block 5 more than minimum minimum together with setpoint 6 to the controller 7 of the performance of the feed pump 8. Sensors 9 and 10 are connected to flow regulators 9 and 10 12 water flow in its flow and control devices 13 and 14. The output of each regulator 9 and to is connected to its feed valve 3 n 4. Scheme R is sent to the next of-phase. Regulators 9 and 1O of water flow along the flow y | are supplied with water supply from pump 8 each in its own flow. Sigia
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802935319A SU909415A1 (en) | 1980-06-05 | 1980-06-05 | Feed water feeding automatic control system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU802935319A SU909415A1 (en) | 1980-06-05 | 1980-06-05 | Feed water feeding automatic control system |
Publications (1)
Publication Number | Publication Date |
---|---|
SU909415A1 true SU909415A1 (en) | 1982-02-28 |
Family
ID=20899995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU802935319A SU909415A1 (en) | 1980-06-05 | 1980-06-05 | Feed water feeding automatic control system |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU909415A1 (en) |
-
1980
- 1980-06-05 SU SU802935319A patent/SU909415A1/en active
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