SU1599616A1 - Arrangement for preventing failure of feedwater pump of power unit - Google Patents
Arrangement for preventing failure of feedwater pump of power unit Download PDFInfo
- Publication number
- SU1599616A1 SU1599616A1 SU874296733A SU4296733A SU1599616A1 SU 1599616 A1 SU1599616 A1 SU 1599616A1 SU 874296733 A SU874296733 A SU 874296733A SU 4296733 A SU4296733 A SU 4296733A SU 1599616 A1 SU1599616 A1 SU 1599616A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- input
- pump
- relay switch
- comparison unit
- reference voltage
- Prior art date
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- Medicines Containing Material From Animals Or Micro-Organisms (AREA)
Abstract
Изобретение относитс к теплоэнергетике и позвол ет повысить экономичность и надежность работы питательного насоса за счет регулировани кавитационного запаса, осуществл емого регул тором 17 по сигналу Δ=P-Pтр, формируемому в блоке 10, если Δ=P≥доп - предельно допустимое значение кавитационного запаса. Если ΔР≤Pдоп, то с помощью переключател 19 управлени клапаном 5, установленным на трубопроводе 4 подвода холодного конденсата, осуществл етс подачей командного сигнала на открытие от источника 18 опорного напр жени . При этом температура воды на входе насоса 1 снижаетс и увеличиваетс кавитационный запас. В момент, когда ΔР≥Pдоп, по команде компоратора 12 переключатель 19 подключает выход регул тора 17 к исполнительному механизму 20. 1 ил.The invention relates to a power system and improves the efficiency and reliability of the feed pump by adjusting the cavitation margin carried out by the regulator 17 by the signal Δ = PP tr generated in block 10 if Δ = P≥ dop is the maximum allowable value of the cavitation margin. If ΔP≤P dop , then using the switch 19 for controlling the valve 5 installed in the cold condensate supply pipe 4, it is carried out by sending a command signal to open from the source 18 of the reference voltage. At the same time, the water temperature at the inlet of pump 1 decreases and the cavitation margin increases. At the moment when ΔР≥P dop , at the command of the comporator 12, the switch 19 connects the output of the controller 17 to the actuator 20. 1 sludge.
Description
Составитель М. Лазутов Редактор М. Бандура Техред Л.Олийнык Корректор С. ЧерниCompiled by M. Lazutov. Editor M. Bandura Tehred L. Oliynyk Proofreader S. Cherni
Заказ 3132Order 3132
Тираж 355Circulation 355
ВШ-МШ Государственного комитета по изобретени м и открьг и м при ГКНТ СССР 113035, Москва, Ж-35, Раушска наб., д. 4/5VSH-MSH of the State Committee for Inventions and Treasures under the State Committee on Science and Technology of the USSR 113035, Moscow, Zh-35, 4/5 Raushsk nab.
Производственно-издательский комбинат Патент, г. Ужгород, ул. Гагарина, 101Production and Publishing Combine Patent, Uzhgorod, st. Gagarin, 101
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Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874296733A SU1599616A1 (en) | 1987-08-10 | 1987-08-10 | Arrangement for preventing failure of feedwater pump of power unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU874296733A SU1599616A1 (en) | 1987-08-10 | 1987-08-10 | Arrangement for preventing failure of feedwater pump of power unit |
Publications (1)
Publication Number | Publication Date |
---|---|
SU1599616A1 true SU1599616A1 (en) | 1990-10-15 |
Family
ID=21324156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU874296733A SU1599616A1 (en) | 1987-08-10 | 1987-08-10 | Arrangement for preventing failure of feedwater pump of power unit |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU1599616A1 (en) |
-
1987
- 1987-08-10 SU SU874296733A patent/SU1599616A1/en active
Non-Patent Citations (1)
Title |
---|
Авторское свидетельство СССР № 879139, кл. F 22 D 5/32, 1981. * |
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