EP1026369B1 - Dampfturbine - Google Patents
Dampfturbine Download PDFInfo
- Publication number
- EP1026369B1 EP1026369B1 EP99810092A EP99810092A EP1026369B1 EP 1026369 B1 EP1026369 B1 EP 1026369B1 EP 99810092 A EP99810092 A EP 99810092A EP 99810092 A EP99810092 A EP 99810092A EP 1026369 B1 EP1026369 B1 EP 1026369B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steam turbine
- control
- design
- control stage
- outer casing
- 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.)
- Expired - Lifetime
Links
Images
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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods
- F05D2230/61—Assembly methods using limited numbers of standard modules which can be adapted by machining
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
- Y10S415/915—Pump or portion thereof by casting or molding
Definitions
- the invention relates to a steam turbine Regulation of live steam inflow.
- Steam turbines with nozzle group control are known, at which the first turbine stage, too Called stage, the steam turbine with a plurality of pressurized sectors, their steam inflow adjustable by a special control valve is. In the case of such steam turbines, at least three or more control valves available.
- Steam turbines without nozzle group control are also known or without control level. Such steam turbines are up to 180 MW with min. a control valve until 600 MW with two control valves and over 600 MW with four Control valves built.
- the turbine housing of steam turbines with Control stages are constructed differently than the turbine housings of steam turbines without control stage.
- US Pat. No. 4,642,025 discloses a steam turbine with a double housing, that is to say with an inner and outer housing, each of these housing an upper and Has lower part.
- the control valves for regulating the fresh steam inflow directly and horizontally attached to the upper part of the turbine housing are according to the figures on the one hand in steam turbines with two inlet spirals and two control valves and without control stage and on the other hand with four inlet spirals and four control valves with control stage applicable.
- the invention is based on the object a reduction of the cast models and the modules, in particular for the turbine housing and thereby lower To achieve set-up times and lower costs.
- the high pressure steam turbines shown in Figs. 1 and 2 consist of two housings, the outer housing 1 and the inner casing 2.
- the turbine runner is not shown.
- the outer housing 1 consists in each case from an upper housing part 3 and a lower one Housing part 4, the horizontal flange connection are interconnected.
- the one stored in the outer housing Inner housing is also separated horizontally and has an upper housing part 5 and a lower housing part 6th
- valve body block 7 8 is over the body of the Control valve 8 by means of a flange connection on the side upper outer housing part 3 attached.
- One with the outlet of the control valve 8 connected connecting pipe 11 extends into the upper part of the outer housing and opens laterally into the interior of the inner housing 2.
- the outlet of the control valve 9 is with the one leg of a downward and U-shaped bent connecting line 12 connected to her another leg on one on the lower outer housing part 4 flanged intermediate piece 13 is welded.
- the Connection line 12 opens into a with the intermediate piece 13 connected connecting pipe 14.
- the connecting pipe 14 extends into the lower housing part 4 of the outer housing and flows into the interior of the Inner housing 2.
- the quick-action valve 10 has the task in the event of a rapid fire, the steam supply to the control valves 8 and 9 and thus to interrupt the turbine. It is as Security body designed and is not by one shown servo motor operated.
- the two control valves 8 and 9 are used for Regulation of the steam flow. They are not represented by hydraulic actuators actuated.
- the steam turbines according to the Fig. 1 and 2 differ in that the steam turbine according to Fig. 1 has a control stage and the steam turbine according to Fig. 2 is designed without a control stage.
- the same valve housing block 7 is present, which also in the same way on the turbine outer casing is flanged. Thanks in particular to the fact that for both types, i.e. Type with or without control stage, the same number of control valves is present and their connection arrangement and connection with respect to the Outer housing 1 and the inner housing 2 designed the same is a reduction of cast models and a reduction achieved by modules. This enables, in particular the outer housing 1 and also the valve housing block with the connections for both types of steam turbine structurally the same.
- Fig. 1 With the steam turbine with control stage according to Fig. 1 are the inlet channels or nozzle boxes 15, 16 in Inner housing 2 integrated. The nozzle boxes 15, 16 in Steam flow downstream control wheel is not shown.
- the inlet channels or nozzle boxes 15, 16 are separated from each other by two partitions 17, 18, that the nozzle box 15 has a larger sector and thus a larger passage area for the live steam forms as the nozzle box 16.
- Control valve 8 opens opens into the nozzle box 15 and control valve 9 from above from below in the nozzle box 16.
- the two control valves can be different large through openings adapted to the nozzle segments be provided. Each control valve is independent in Opening and closing directions can be actuated.
- the live steam becomes the valve housing block 7 supplied, it flows through the quick-action valve 10 and reaches the control valves arranged one behind the other 8, 9. After the control valves 8, 9, the steam is the Nozzle box 15, 16 and the nozzles, not shown Control stage fed.
- the inner housing has no nozzle boxes. It there is also no control wheel. Are accordingly in the inlet section of the inner housing 2 also no partition walls 17, 18 present, so that a single annulus 19 is formed, the live steam over the two Control valves 8, 9 is supplied. Otherwise correspond the components of the steam turbine without control stage according to Fig. 2, the components of the steam turbine shown in Fig. 1 with control level. Accordingly, the same components have the same reference numbers and it will in this regard, reference is made to the above description.
- the high pressure steam turbines shown in FIGS. 3 and 4 differ in type and Way of construction and connection of the valve housing block. Otherwise, there are those shown in FIGS. 3 and 4 Steam turbines also from two housings, the outer casing 101 and the inner case 102.
- the outer case consists of an upper housing part 103 and a lower housing part, not shown, the with flange connection, not shown, with each other are connected.
- the inner housing stored in the outer housing is also separated horizontally and has one upper housing part 105.
- the lower part of the inner casing is also not shown.
- the steam turbines shown in FIGS. 3 and 4 each have a valve housing block 107, in which two Control valves 108, 109 and a quick-action valve 110 are installed.
- the valve housing block 107 is on the Outer housing upper part 103 put on and by means of double Flange connection connected to this.
- One with each connecting pipe connected to the outlets of the control valves 108, 109 111, 114 extends into the upper part 101 of the outer housing and opens into the Interior of inner housing 102.
- the task and function of the quick-action valve 110 and the control valves 108, 109 is the same as in the steam turbines according to FIGS. 1 and 2. Die Differences and similarities of the steam turbines according to 3 and 4 are also the same as regarding Steam turbines according to FIGS. 1 and 2. It is therefore in this relationship to the above statements.
- the two types are different of the steam turbines with control stage according to FIG. 3 and without Control stage according to FIG. 4 in turn only a partial area of the inner case, due to the presence or the absence of the control level.
- At the steam turbine 1 are in the inner housing 102 integrated nozzle boxes 115, 116 in turn through partitions, of which only those in the upper part of the inner housing partition 117 located is shown, separated from each other so that the one nozzle box one larger sector and thus a larger passage area forms for the live steam than the other nozzle box.
- load points and training and mode of operation of the control valves and the live steam supply the statements already made for Fig. 1.
- the turbine outer casing, the valve assembly and Parts of the inner casing for both a steam turbine certain types with, as well as without control level used be, because they are structurally identical and in Size and shape match.
- control valves of the valve assembly have passage openings of generally the same size. In special cases However, they can also have differently sized passage openings exhibit.
- the same cast model can be used for the outer case for turbines, with and without control stage become.
- valves and valve dispositions can be used for turbines with and without control stage be used.
- FIG. 5 shows the upper part of a cast model 120 from above, with inserted cores 121, 122 and 123, for the manufacture of the upper outer housing part a steam turbine according to FIG. 3 or FIG. 4 is used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Turbines (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
- 1
- Aussengehäuse
- 2
- Innengehäuse
- 3
- oberer Aussengehäuseteil
- 4
- unterem Aussengehäuseteil
- 5
- oberer Innengehäuseteil
- 6
- unserer Innengehäuseteil
- 7
- Ventilgehäuseblock
- 8,9
- Regelventile
- 10
- Schnellschussventil
- 11
- Verbindungsrohr
- 12
- Verbindungsleitung
- 13
- Zwischenstuck
- 14
- Verbindungsrohr
- 15,16
- Düsenkäste
- 17,18
- Zwischenwände
- 19
- Ringraum
- 101
- Aussengehäuse
- 102
- Innengehäuse
- 103
- oberer Aussengehäuseteil
- 105
- oberer Innengehäuseteil
- 107
- Ventilgehäuseblock
- 108,109
- Regelventile
- 110
- Schnellschussventil
- 111,114
- Verbindungsrohr
- 115,116
- Dusenkäste
- 117
- Zwischenwand
- 119
- Ringraum
- 120
- Gussmodell
- 121,122
- Kerne
- 123
- Kern
Claims (7)
- Dampfturbine, die mit einer Regelstufe ausgeführt ist, mit einem Aussengehäuse (1,101) und einem Innengehäuse (2,102), wobei das Aussengehäuse und das Innengehäuse je ein Gehäuseoberteil (3,103) und ein Gehäuseunterteil (4,104) aufweisen, und die Dampfturbine einen Ventilgehäuseblock (7,107) mitAnschlüssen an das Aussengehäuse (1,101) und mindestens zwei Regelventile (8,9,108,109) für die Regelung der Frischdampfzufuhr aufweist,
dadurch gekennzeichnet, dass
die Anzahl Regelventile (8,9,108,109) in der Dampfturbine in Ausführung mit Regelstufe gleich ist wie die Anzahl Regelventile (8,9,108,109) in einer Dampfturbine in einer Ausführung ohne Regelstufe,
und das Aussengehäuse (1,101) und der Ventilgehäuseblock (7,107) mit den Anschlüssen an das Aussengehäuse (1,101) der Dampfturbine in Ausführung mit Regelstufe konstruktiv gleich ausgestaltet ist wie das Aussengehäuse (1,101) und der Ventilgehäuseblock (7,107) mit den Anschlüssen an das Aussengehäuse (1,101) einer Dampfturbine in Ausführung ohne Regelstufe. - Dampfturbine nach Anspruch 1
dadurch gekennzeichnet, dass
die Dampfturbine in Ausführung mit Regelstufe und die Dampfturbine in Ausführung ohne Regelstufe jeweils zwei Regelventile (8,9,108,109) aufweisen. - Dampfturbine nach Anspruch 1
dadurch gekennzeichnet, dass
ein mit dem Auslass des Regelventils (8,9,108,109) verbundenes Verbindungsrohr (11,14,111,114), das in das Innengehäuse (2,102) der Dampfturbine in Ausführung mit Regelstufe mündet gleich gestaltet ist wie ein mit dem Auslass des Regelventils (8,9,108,109) verbundenes Verbindungsrohr (11,14,111,114), das in das Innengehäuse (2,102) in der Dampfturbine in Ausführung ohne Regelstufe mündet. - Dampfturbine nach Anspruch 1,
dadurch gekennzeichnet, dass
alle Regelventile (8,9,108,109) gleich grosse Durchlassöffnungen aufweisen. - Dampfturbine nach Anspruch 1,
dadurch gekennzeichnet, dass
die Dampfturbine in Ausführung mit Regelstufe Einlaufkanäle (15,16) aufweist, die durch Zwischenwände (17,18) voneinander getrennt sind, und die Einlaufkanäle unterschiedlich grosse Durchlassflächen aufweisen. - Verfahren zur Herstellung des Aussengehäuses einer Dampfturbine in Ausführung mit Regelstufe nach Anspruch 1,
dadurch gekennzeichnet, dass
das Gussmodell zur Herstellung des Aussengehäuses (1,101) und des Ventilgehäuseblocks (7,107) mit Anschlüssen an das Aussengehäuse (1,101) für eine Dampfturbine in Ausführung mit Regelstufe gleich gestaltet ist wie das Gussmodell zur Herstellung des Aussengehäuses (1,101) und des Ventilgehäuseblocks (7,107) mit Anschlüssen an das Aussengehäuse (1,101) für eine Dampfturbine in Ausführung ohne Regelstufe. - Gussmodell zur Herstellung des Aussengehäuses einer Dampfturbine in Ausführung mit Regelstufe nach Anspruch 1
dadurch gekennzeichnet, dass
das Gussmodell in Form und Grösse gleich ist wie das Gussmodell zur Herstellung des Aussengehäuses einer Dampfturbine in Ausführung ohne Regelstufe.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE59907932T DE59907932D1 (de) | 1999-02-04 | 1999-02-04 | Dampfturbine |
EP99810092A EP1026369B1 (de) | 1999-02-04 | 1999-02-04 | Dampfturbine |
US09/495,480 US6302644B1 (en) | 1999-02-04 | 2000-02-01 | Steam turbine |
JP2000028341A JP2000227007A (ja) | 1999-02-04 | 2000-02-04 | 蒸気タ―ビン |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99810092A EP1026369B1 (de) | 1999-02-04 | 1999-02-04 | Dampfturbine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1026369A1 EP1026369A1 (de) | 2000-08-09 |
EP1026369B1 true EP1026369B1 (de) | 2003-12-03 |
Family
ID=8242662
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99810092A Expired - Lifetime EP1026369B1 (de) | 1999-02-04 | 1999-02-04 | Dampfturbine |
Country Status (4)
Country | Link |
---|---|
US (1) | US6302644B1 (de) |
EP (1) | EP1026369B1 (de) |
JP (1) | JP2000227007A (de) |
DE (1) | DE59907932D1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6631858B1 (en) * | 2002-05-17 | 2003-10-14 | General Electric Company | Two-piece steam turbine nozzle box featuring a 360-degree discharge nozzle |
JP2005113721A (ja) * | 2003-10-06 | 2005-04-28 | Hitachi Ltd | 蒸気タービン |
US10178965B2 (en) * | 2007-06-22 | 2019-01-15 | Ipventure, Inc. | Activity monitoring system for pregnant women |
JP2010048216A (ja) * | 2008-08-25 | 2010-03-04 | Fuji Electric Systems Co Ltd | 蒸気タービンの主蒸気流入部 |
ITMI20091872A1 (it) | 2009-10-28 | 2011-04-29 | Alstom Technology Ltd | "sistema di involucri per una turbina a vapore" |
EP2466076A1 (de) | 2010-12-20 | 2012-06-20 | Alstom Technology Ltd | Hochtemperaturdampfventil |
EP2644844A1 (de) * | 2012-03-30 | 2013-10-02 | Alstom Technology Ltd | Gasturbine mit Innengehäuse und Aussengehäuse und Verfahren zum Demontieren der Gehäuse |
BE1023377B1 (fr) * | 2015-08-26 | 2017-02-28 | Safran Aero Boosters S.A. | Carter a bossages de compresseur de turbomachine axiale |
JP2020097894A (ja) * | 2018-12-17 | 2020-06-25 | 東芝エネルギーシステムズ株式会社 | タービン車室 |
EP3744952B1 (de) * | 2019-05-31 | 2022-12-14 | Siemens Energy Global GmbH & Co. KG | Gehäuseanordnung für fluidtechnische ausrüstung |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB478810A (en) * | 1936-10-31 | 1938-01-25 | Bbc Brown Boveri & Cie | Improvements in and relating to the guide apparatus for steam or gas turbines |
DE852247C (de) * | 1950-09-07 | 1952-10-13 | Siemens Ag | Dampfzufuehrung bei Dampfturbinen |
US3190612A (en) * | 1963-03-05 | 1965-06-22 | Westinghouse Electric Corp | Elastic fluid flow control apparatus |
CH428774A (de) * | 1964-04-15 | 1967-01-31 | Linde Ag | Leitschaufelkranz für Entspannungsturbinen |
CH665450A5 (de) * | 1983-06-09 | 1988-05-13 | Bbc Brown Boveri & Cie | Ventil fuer horizontale dampfzufuehrung an zweigehaeuseturbinen. |
JPS6338605A (ja) * | 1986-08-04 | 1988-02-19 | Toshiba Corp | 蒸気タ−ビンの調速段落構造 |
DE4425353C2 (de) * | 1994-07-18 | 2001-10-18 | Abb Patent Gmbh | Baukastensystem mit standarisierten Teilen zur Erstellung einer Dampfturbine |
DE4425352C2 (de) * | 1994-07-18 | 2001-10-11 | Abb Patent Gmbh | Dampfturbine mit einem im Gußverfahren hergestellten Turbinengehäuse |
DE19545669A1 (de) * | 1995-12-07 | 1997-06-12 | Asea Brown Boveri | Dampfturbine |
-
1999
- 1999-02-04 EP EP99810092A patent/EP1026369B1/de not_active Expired - Lifetime
- 1999-02-04 DE DE59907932T patent/DE59907932D1/de not_active Expired - Fee Related
-
2000
- 2000-02-01 US US09/495,480 patent/US6302644B1/en not_active Expired - Fee Related
- 2000-02-04 JP JP2000028341A patent/JP2000227007A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2000227007A (ja) | 2000-08-15 |
DE59907932D1 (de) | 2004-01-15 |
US6302644B1 (en) | 2001-10-16 |
EP1026369A1 (de) | 2000-08-09 |
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