WO2011124322A2 - Kraftwerksstrang mit einer drehzahlvariablen pumpe - Google Patents
Kraftwerksstrang mit einer drehzahlvariablen pumpe Download PDFInfo
- Publication number
- WO2011124322A2 WO2011124322A2 PCT/EP2011/001344 EP2011001344W WO2011124322A2 WO 2011124322 A2 WO2011124322 A2 WO 2011124322A2 EP 2011001344 W EP2011001344 W EP 2011001344W WO 2011124322 A2 WO2011124322 A2 WO 2011124322A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speed
- variable
- pump
- transmission
- branch
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K9/00—Plants characterised by condensers arranged or modified to co-operate with the engines
- F01K9/02—Arrangements or modifications of condensate or air pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
- F16H47/085—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion with at least two mechanical connections between the hydraulic device and the mechanical transmissions
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/12—Combinations with mechanical gearing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/06—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type
- F16H47/08—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the hydrokinetic type the mechanical gearing being of the type with members having orbital motion
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
Definitions
- the present invention relates to a power plant train with a rotating at a constant speed steam turbine and / or gas turbine for driving an electric generator and further comprising a variable-speed pump, which is driven by the steam turbine and / or the gas turbine.
- variable-speed pump is used to convey and / or compress a
- the pump is used for conveying and / or compressing an exhaust gas produced or conveyed in the process supply or in the gas turbine or a component thereof.
- variable speed pumps in power plants the pumps are driven by the power plant, boiler feed pumps are known, by means of which the feed water of the boiler of the steam generator for the steam turbine and thus the working medium of the steam turbine is promoted.
- Kesselpeisepumpen have according to an embodiment, as they
- the present invention relates to a power consumption of several megawatts, for example 15 or 20 MW or more.
- the turbine in particular steam turbine, usually rotates at a constant speed to drive an electric generator, which in turn serves to generate electricity at a constant frequency
- Boiler feed pumps operated at varying speeds, depending on the requirements of the live steam quantity. Conventionally, therefore, the drive is the
- Boiler feed pumps via an electric motor, which in turn receives its electrical energy from the generator.
- the conversion of the steam energy or generally the energy of the working medium of the turbine into electrical energy and in the subsequent conversion of the electrical Energy into mechanical energy (rotational energy) incurs losses, which is undesirable.
- variable-speed pump is driven by the steam turbine and / or the gas turbine, mechanically without the interim conversion of the drive energy into electrical energy, and the desired speed conversion between the steam turbine and / or the gas turbine and the variable speed pump to arrange a variable speed transmission, by means of which the drive power of the steam turbine is transmitted to the pump.
- a variable speed transmission by means of which the drive power of the steam turbine is transmitted to the pump.
- Transmission can be formed for example by a hydrodynamic control clutch or include such, the torus-shaped working space can be filled either more or less with working fluid to change the speed on the output side of the hydrodynamic coupling. Also comes into consideration, such a variable speed transmission with others
- variable speed pump which could then also be referred to as a compressor, by means of which exhaust gas or a component thereof, for example CO2, in an underground
- the present invention has for its object to provide a power plant line, which in terms of efficiency and the Design effort and construction costs for driving such a pump has an improved design.
- the power plant line according to the invention has a steam turbine and / or a gas turbine for driving an electric generator. Accordingly, the generator is driven in a so-called steam power plant only by one or more steam turbines or in a so-called gas power plant only by one or more gas turbines.
- so-called steam power plant only by one or more steam turbines or in a so-called gas power plant only by one or more gas turbines.
- Combined cycle power plants or gas and steam power plants into consideration in which one or more generators are driven both by at least one steam turbine and by at least one gas turbine, wherein the waste heat of the exhaust gas of the gas turbine is generally used to generate steam for the steam turbine.
- the steam turbine and / or the gas turbine run / run at a constant speed, so that by means of the electric generator electrical energy can be generated with a predetermined Hertz number.
- variable-speed pump is driven by means of the steam turbine and / or the gas turbine and is correspondingly in a mechanical
- variable-speed pump can be designed, for example, for conveying and / or compressing a working medium for driving the steam turbine and / or the gas turbine.
- the pump is a boiler feed pump, which promotes the working medium of the steam turbine in a steam generating device. It
- other variable speed pumps come into consideration, the
- Process supply of the steam turbine and / or the gas turbine are necessary, for example, oil pumps, air pumps or the like.
- the term pump refers not only to conveyors for conveying a non-compressible medium, but it should also include compressors, which serve to promote and / or compression of a compressible medium.
- the pump (or the compressor) is used for conveying and / or compressing a in the
- Gas turbine resulting exhaust gas is produced.
- the exhaust gas or a component thereof, in particular C0 2 pump into an underground storage, in particular pressure accumulator to improve the C0 2 balance of the power plant, in which the power plant is provided.
- exhaust gas of the process supply is in particular the case of the combustion of a fossil fuel for steam generation or
- Hot gas generation meant exhaust gas.
- variable-speed transmission is arranged in the drive connection between the variable-speed pump and the steam turbine and / or gas turbine driving the same, comprising a power split with a mechanical, in particular exclusively mechanical, main branch and a hydrodynamic secondary branch.
- Secondary branch drive power is diverted via a hydrodynamic coupling and / or a hydrodynamic converter of the main branch and fed back to the main branch by means of a subsequent superposition gear transmission output side.
- a hydrodynamic coupling or the hydrodynamic converter By means of the hydrodynamic coupling or the hydrodynamic converter, a speed adaptation can be achieved, the gear output side by the superimposition on the main branch Speed adjustment of the present at the transmission input constant speed to the desired speed of the pump allows.
- Speed adjustment and transmits for example, a maximum of 30% or 35% of the total transmitted power with the variable speed gearbox
- the side branch power may be 20% to 35% of the total power, or the power, in relation to the rated power of the pump
- Side branch in the control range of the pump can be 0% to 35% of the total power.
- the superposition gear of the variable speed gear is designed as a planetary gear.
- the ring gear of the planetary gear may be mechanically connected to the input shaft, the planet carrier mechanically connected to the secondary side of the hydrodynamic machine, in particular the turbine of the hydrodynamic converter, and the sun gear be mechanically connected to the output shaft of the transmission.
- an embodiment of the variable speed gearbox comes into consideration, as in the international
- variable speed gearbox It is particularly favorable when the variable speed gearbox
- Reduction gear is connected upstream to suppress the speed of the steam turbine and / or the gas turbine, so that the input shaft of the
- variable speed gear rotates at a lower speed than the Steam turbine and / or the gas turbine.
- a reduction gear can be advantageous flanged from the outside to the variable speed gearbox.
- the reduction gear is a planetary stage or a
- Planetary gear includes, for example, the planet carrier from
- variable-speed transmission in particular of the housing, are worn.
- the reduction gear will usually have a fixed reduction ratio. According to an advantageous embodiment, however, that is
- the steam turbine and / or the gas turbine runs at 3000 or 3600 revolutions per minute, whereas the input shaft of the
- FIG. 1 shows a power plant train designed according to the invention with a steam turbine 1 which drives an electric generator 2. Furthermore, in the main line of the power plant drive train is a variable speed
- Kesselspeisepumpe 3 is arranged, which is driven by a variable speed gear 4 by means of the steam turbine 1.
- the variable-speed transmission 4 has a main mechanical branch 5 and a hydrodynamic
- Branch 6 on. About the main mechanical branch 5, the majority of the drive power is transmitted from the input of the variable speed gearbox on the output. About the hydrodynamic secondary branch 6 only a relatively smaller part for speed adjustment of the transmission output or the boiler feed pump 3 is transmitted. In addition, as indicated in the dashed lines, the
- Kesselspeisepumpe 3 be assigned a backing pump 7, which can be arranged either in the direction of the drive power flow behind the boiler feed pump 3 or at another location, in particular in front of the variable-speed transmission 4.
- the backing pump 7 is either, as shown, also as
- two boiler feed pumps 3 are driven via two speed-controllable gearboxes 4 by means of the steam turbine 1, and possibly two corresponding backing pumps 7.
- a power split transmission is provided with a transmission input and two transmission outputs, on which the power of the transmission input is divided, which is advantageous, but not mandatory, designed as a reduction gear 8.
- a reduction gear 8 is also provided. This is flanged on the input side to the variable-speed transmission 4 and forms with this a structural unit. Again, it is not absolutely necessary that the power split in one
- Power split transmission be provided whose input shaft rotates at the same speed as the output shafts or even with a relatively lower speed.
- the reduction gear 8 is separated from the speed-controllable gear 4 in the direction of
- FIG. 6 shows an exemplary embodiment of a speed-controllable transmission 4 with a flattened reduction gear 8.
- the main mechanical branch 5 of the variable-speed transmission 4 is formed by an input shaft 9 of the variable-speed transmission 4 and a subsequent planetary gear 10 and the output shaft 11.
- the input shaft 9 drives the ring gear 12 of the planetary gear 10, which is mechanically connected via the planet 13 with the sun gear 14.
- the sun gear 14 is in mechanical communication with the output shaft 11 or is supported by this.
- the hydrodynamic secondary branch 6 is formed by a hydrodynamic converter 15, here as a variable-speed converter, and adjoining mechanical gear stages are formed. These mechanical gear stages are in turn connected to the planet gears 13 and the planet carrier 26 of the
- the hollow shaft 21 provided with an internal toothing. This can be achieved by an internally toothed spur gear on a
- Hollow shaft is connected or the hollow shaft is internally toothed.
- the hydrodynamic Wändler 15 also has an adjustable
- the reduction gear 8 is flanged with its gear housing 31 on the housing 32 of the variable-speed transmission 4, for example by
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Turbines (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180018231.XA CN103221644B (zh) | 2010-04-09 | 2011-03-18 | 具有变速泵的电站传动系 |
US13/639,477 US20130133335A1 (en) | 2010-04-09 | 2011-03-18 | Power Plant Line Having a Variable-Speed Pump |
EP11710697A EP2556217A2 (de) | 2010-04-09 | 2011-03-18 | Kraftwerksstrang mit einer drehzahlvariablen pumpe |
JP2013503025A JP5738398B2 (ja) | 2010-04-09 | 2011-03-18 | 可変速度ポンプを有する動力プラントライン |
KR1020127029080A KR20130093484A (ko) | 2010-04-09 | 2011-03-18 | 변속 펌프를 가진 파워 플랜트 라인 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010014588A DE102010014588A1 (de) | 2010-04-09 | 2010-04-09 | Kraftwerksstrang mit einer drehzahlvariablen Pumpe |
DE102010014588.2 | 2010-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2011124322A2 true WO2011124322A2 (de) | 2011-10-13 |
WO2011124322A3 WO2011124322A3 (de) | 2013-04-18 |
Family
ID=42979278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/001344 WO2011124322A2 (de) | 2010-04-09 | 2011-03-18 | Kraftwerksstrang mit einer drehzahlvariablen pumpe |
Country Status (7)
Country | Link |
---|---|
US (1) | US20130133335A1 (de) |
EP (1) | EP2556217A2 (de) |
JP (1) | JP5738398B2 (de) |
KR (1) | KR20130093484A (de) |
CN (1) | CN103221644B (de) |
DE (1) | DE102010014588A1 (de) |
WO (1) | WO2011124322A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015220618A1 (de) | 2015-10-22 | 2017-04-27 | Voith Patent Gmbh | Kraftwerksstrang |
CN110486094A (zh) * | 2019-08-08 | 2019-11-22 | 大唐郓城发电有限公司 | 一种带高效液力调速装置的抽汽背压式给水泵小汽轮机系统 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013092144A (ja) * | 2011-10-03 | 2013-05-16 | Kobe Steel Ltd | 補助動力発生装置 |
CN104373158B (zh) * | 2014-05-30 | 2017-01-04 | 门冉 | 一种锅炉驱动的汽轮机组的控制方法 |
DE102014216178A1 (de) * | 2014-07-25 | 2016-01-28 | Voith Patent Gmbh | Leistungsübertragungsvorrichtung |
CN108603413B (zh) * | 2016-02-12 | 2021-01-05 | 西门子股份公司 | 具有启动电机的燃气轮机线路 |
IT201600071644A1 (it) | 2016-07-08 | 2018-01-08 | Nuovo Pignone Tecnologie Srl | Trasmissione a velocita' variabile con azionatore ausiliario e sistema che la utilizza |
IT201600071646A1 (it) | 2016-07-08 | 2018-01-08 | Nuovo Pignone Tecnologie Srl | Trasmissione a velocita' variabile e sistema che la utilizza |
DE102018008183A1 (de) * | 2017-10-26 | 2019-05-02 | Peter Speck | Vorrichtung und Verfahren zum Betreiben von drehzahlvariablen Arbeitsmaschinen |
DE102018108432A1 (de) * | 2018-04-10 | 2019-10-10 | Voith Patent Gmbh | Fluidenergiemaschineneinheit, insbesondere Kompressor- oder Pumpeneinheit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010009836A1 (de) | 2008-07-25 | 2010-01-28 | Voith Patent Gmbh | Überlagerungsgetriebe mit kopplungswellen |
Family Cites Families (17)
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GB1208831A (en) * | 1967-02-25 | 1970-10-14 | Voith Getriebe Kg | Superimposition gear |
US3626692A (en) * | 1970-04-15 | 1971-12-14 | Garrett Corp | Gas turbine power plant |
US4204401A (en) * | 1976-07-19 | 1980-05-27 | The Hydragon Corporation | Turbine engine with exhaust gas recirculation |
US4087860A (en) * | 1977-07-08 | 1978-05-02 | Westinghouse Electric Corp. | System for multi-mode control of a boiler feedpump turbine |
DE3137805A1 (de) * | 1981-09-23 | 1983-03-31 | Deere & Co., 61265 Moline, Ill. | Getriebe zum querstehenden einbau und motorfahrzeug mit eingebautem getriebe |
DE3441877A1 (de) * | 1984-11-16 | 1986-05-22 | Voith-Turbo Gmbh & Co Kg, 7180 Crailsheim | Kraftuebertragungsaggregat zum antrieb einer drehzahlvariablen arbeitsmaschine |
DE3823793A1 (de) * | 1988-07-14 | 1990-01-18 | Voith Turbo Kg | Kraftuebertragungsaggregat zum drehzahlvariablen antrieb einer arbeitsmaschine |
US5178039A (en) * | 1992-01-22 | 1993-01-12 | Deere & Company | Modular transmission |
WO1998015777A1 (en) * | 1996-10-08 | 1998-04-16 | Siemens Aktiengesellschaft | Steam power plant |
SE520272C2 (sv) * | 2001-04-06 | 2003-06-17 | Volvo Aero Corp | Motorbromssystem för en gasturbin samt förfarande för motorbromsning av en gasturbin |
DE10314757B3 (de) * | 2003-03-31 | 2004-11-11 | Voith Turbo Gmbh & Co. Kg | Antriebsstrang zum Übertragen einer variablen Leistung |
LV13216B (en) * | 2004-05-08 | 2005-02-20 | Egils Spalte | Air pumped storage power station (gaes) |
US7481062B2 (en) * | 2005-12-30 | 2009-01-27 | Honeywell International Inc. | More electric aircraft starter-generator multi-speed transmission system |
ITMI20062314A1 (it) * | 2006-11-30 | 2008-06-01 | Ansaldo Energia Spa | Impianto di generazione di energia elettrica a ciclo combinato |
JP4837127B2 (ja) * | 2007-05-09 | 2011-12-14 | コノコフイリツプス・カンパニー | 回転産業機器用の機械的ソフトスタートシステム |
US8028526B2 (en) * | 2007-12-06 | 2011-10-04 | Giberson Melbourne F | Geared boiler feed pump drive |
DE102010029597A1 (de) * | 2010-06-01 | 2011-12-01 | Deere & Company | Getriebeanordnung |
-
2010
- 2010-04-09 DE DE102010014588A patent/DE102010014588A1/de not_active Withdrawn
-
2011
- 2011-03-18 JP JP2013503025A patent/JP5738398B2/ja not_active Expired - Fee Related
- 2011-03-18 WO PCT/EP2011/001344 patent/WO2011124322A2/de active Application Filing
- 2011-03-18 US US13/639,477 patent/US20130133335A1/en not_active Abandoned
- 2011-03-18 EP EP11710697A patent/EP2556217A2/de not_active Withdrawn
- 2011-03-18 KR KR1020127029080A patent/KR20130093484A/ko not_active Application Discontinuation
- 2011-03-18 CN CN201180018231.XA patent/CN103221644B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010009836A1 (de) | 2008-07-25 | 2010-01-28 | Voith Patent Gmbh | Überlagerungsgetriebe mit kopplungswellen |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102015220618A1 (de) | 2015-10-22 | 2017-04-27 | Voith Patent Gmbh | Kraftwerksstrang |
CN110486094A (zh) * | 2019-08-08 | 2019-11-22 | 大唐郓城发电有限公司 | 一种带高效液力调速装置的抽汽背压式给水泵小汽轮机系统 |
Also Published As
Publication number | Publication date |
---|---|
JP2013527895A (ja) | 2013-07-04 |
EP2556217A2 (de) | 2013-02-13 |
DE102010014588A1 (de) | 2010-11-18 |
CN103221644B (zh) | 2016-03-16 |
JP5738398B2 (ja) | 2015-06-24 |
CN103221644A (zh) | 2013-07-24 |
US20130133335A1 (en) | 2013-05-30 |
KR20130093484A (ko) | 2013-08-22 |
WO2011124322A3 (de) | 2013-04-18 |
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