DE251699C - - Google Patents
Info
- Publication number
- DE251699C DE251699C DENDAT251699D DE251699DA DE251699C DE 251699 C DE251699 C DE 251699C DE NDAT251699 D DENDAT251699 D DE NDAT251699D DE 251699D A DE251699D A DE 251699DA DE 251699 C DE251699 C DE 251699C
- Authority
- DE
- Germany
- Prior art keywords
- valve
- control valve
- steam
- closed
- relieved
- 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.)
- Active
Links
- 238000009825 accumulation Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D19/00—Starting of machines or engines; Regulating, controlling, or safety means in connection therewith
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
Description
KAISERLICHESIMPERIAL
PATENTAMT.PATENT OFFICE.
Der Gegenstand der Erfindung bezieht sich auf eine Anlaßvorrichtung für Dampfturbinen, die in der Zeichnung schematisch veranschaulicht ist.The object of the invention relates to a starting device for steam turbines, which is illustrated schematically in the drawing.
Die Anlaßvorrichtung besteht aus dem Hauptabsperrventile α und aus dem Regelventile c, beide durch Druckkolben bewegt. Das Hauptabsperrventil wird im Falle des Überschreitens der zulässigen Drehzahl vomThe starting device consists of the main shut-off valve α and the control valve c, both moved by pressure pistons. The main shut-off valve is switched off in the event that the permissible speed is exceeded
ίο Sicherheitsregler aus oder zwecks plötzlichen Abstellens von Hand aus mittels Druckflüssigkeit geschlossen. Zum Anlassen dient das Regelventil.ίο Safety regulator off or for the purpose of sudden Closed by hand by means of hydraulic fluid. This is used for starting Control valve.
Die Erfindung besteht darin, daß das Hauptabsperrventil nicht geöffnet werden kann, bevor das Regelventil c geschlossen ist, zu dem Zwecke, um die Turbine vor jedem plötzlichen Dampf stoße zu bewahren. Gemäß der Erfindung ist das Hauptabsperrventil a als nicht entlastetes Ventil ausgeführt und mit einem kleinen Hilfsventile b ausgestattet.The invention consists in that the main shut-off valve cannot be opened before the control valve c is closed, for the purpose of protecting the turbine from any sudden steam bursts. According to the invention, the main control valve is designed as a non-balanced valve and equipped with a small auxiliary valves b.
Ist das Regelventil nicht geschlossen, so wird der durch das Hilfsventil strömende Dampf durch das Regelventil strömen und in die Turbine gelangen. Das durch den Dampf belastete Ventil α kann durch den Öldruck nicht geöffnet werden. Erst wenn das Regelventil geschlossen ist, wird der durch das Hilfsventil strömende Dampf im Räume d gestaut und dadurch ein Druckausgleich auf beiden Seiten des Ventiles α erzielt. Letzteres kann sich nunmehr öffnen, und die Turbine kann vom Regelventile aus angelassen werden.If the control valve is not closed, the steam flowing through the auxiliary valve will flow through the control valve and enter the turbine. The valve α loaded by the steam cannot be opened by the oil pressure. It is only when the control valve is closed that the steam flowing through the auxiliary valve is dammed up in space d, thereby achieving pressure equalization on both sides of the valve α . The latter can now open and the turbine can be started from the control valve.
Statt des Ventiles α kann sinngemäß jedes andere nicht entlastete Absperrorgan angeordnet werden.Instead of the valve α , any other non-relieved shut-off device can be arranged.
Durch diese Anordnung wird auch erreicht, daß die Turbine nicht angelassen werden kann, bevor Öldruck vorhanden ist, d. h. bevor öl auf die Lager gepumpt ist.This arrangement also ensures that the turbine cannot be started, before oil pressure is available, d. H. before oil is pumped onto the bearings.
Claims (1)
Publications (1)
Publication Number | Publication Date |
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DE251699C true DE251699C (en) |
Family
ID=510122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DENDAT251699D Active DE251699C (en) |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE251699C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2515251A1 (en) * | 1981-10-22 | 1983-04-29 | Edison Int Inc | TURBINE REGULATOR CONTROL TRACERIES PROTECTING THEM AGAINST ROTATION PACKAGES |
DE10219948A1 (en) * | 2002-05-03 | 2003-11-13 | Alstom Switzerland Ltd | steam turbine |
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0
- DE DENDAT251699D patent/DE251699C/de active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2515251A1 (en) * | 1981-10-22 | 1983-04-29 | Edison Int Inc | TURBINE REGULATOR CONTROL TRACERIES PROTECTING THEM AGAINST ROTATION PACKAGES |
DE10219948A1 (en) * | 2002-05-03 | 2003-11-13 | Alstom Switzerland Ltd | steam turbine |
US7223065B2 (en) | 2002-05-03 | 2007-05-29 | Alstom Technology Ltd | Steam turbine |
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