EP0852660A2 - Gas- und dampfturbinenanlage in einwellenanordnung - Google Patents
Gas- und dampfturbinenanlage in einwellenanordnungInfo
- Publication number
- EP0852660A2 EP0852660A2 EP96942253A EP96942253A EP0852660A2 EP 0852660 A2 EP0852660 A2 EP 0852660A2 EP 96942253 A EP96942253 A EP 96942253A EP 96942253 A EP96942253 A EP 96942253A EP 0852660 A2 EP0852660 A2 EP 0852660A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas turbine
- turbine
- gas
- shaft
- steam
- 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.)
- Granted
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
- F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
- F01K23/12—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engines being mechanically coupled
- F01K23/16—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engines being mechanically coupled all the engines being turbines
Definitions
- the invention relates to a gas and steam turbine system in a single-shaft arrangement with a shaft which is connected to a first gas turbine, a steam turbine and a generator, the first gas turbine being arranged at the first end of the shaft.
- a gas and steam turbine system in which the gas turbine is provided at the first end of the shaft and the generator is provided at the second end of the same shaft, is known from EP 0 407 132 AI.
- a high-pressure part and a low-pressure part steam turbine In between are a high-pressure part and a low-pressure part steam turbine, each of which is separably connected to the shaft by means of switching clutches.
- the shaft driving the generator is set in rotation by the gas and possibly also by the steam turbines.
- the steam required to drive the steam turbines is made available by supplying the hot exhaust gases from the gas turbine to a steam generator.
- This plant requires a large amount of space, since a majority of the above plants are usually required to achieve a total power plant capacity of up to more than 1000 MW of electrical capacity which is sufficient today.
- the aim of EP 0 407 132 A1 is to improve the relative thermal expansion between the turbine housing and the turbine shaft, which is to be achieved by a suitable choice of a fixed point.
- DE 33 16 070 AI describes a single gas turbine consisting of a high-pressure part turbine (HP turbine) and a low-pressure part turbine (LP turbine) ; described. These partial turbines are each coupled directly to one side of a common generator.
- the uniform gas turbine has a complex line routing for guiding the gas flows between the individual partial turbines.
- the formation of a single gas turbine realizes a gas flow which begins in an LP compressor via the HP compressor, the HP combustion chamber, the HP turbine, and the LP combustion chamber. leads into the LP turbine and from there, if necessary, into a waste heat boiler.
- the object of the invention is to provide a gas and steam turbine plant in a single-shaft arrangement which has a small space requirement and at the same time high electrical power output.
- the shaft is connected at its second end to a second gas turbine, in particular is coupled to it in a rigid or switchable manner.
- a second gas turbine in particular is coupled to it in a rigid or switchable manner.
- the directions of rotation of the first gas turbine and the second gas turbine are opposite.
- the direction of rotation of the first gas turbine and the second gas turbine can also be the same, a reversing gear being arranged between the first gas turbine or the second gas turbine, so that the latter has an opposite direction of rotation, i. in series connection, can be coupled to the shaft.
- two gas turbines with the same direction of rotation can be used in series connection, one gas turbine being coupled to the compressor train and the other gas turbine side to the shaft train.
- the hot exhaust gases of the first gas turbine or the second gas turbine flowing out in the direction of the opposite gas turbine are to be deflected by approximately 90 °.
- the hot exhaust gases preferably flow axially.
- a clutch is preferably provided between the first gas turbine and / or the second gas turbine and the shaft.
- a coupling is advantageously also provided between the steam turbine and the generator. Depending on the given technical requirements, the coupling can be a switchable or a rigid coupling.
- FIG. 1 is a block diagram of a first exemplary embodiment
- FIG. 3 shows a block diagram of a third exemplary embodiment
- FIG. 4 shows a block diagram of a fourth exemplary embodiment
- FIG. 5 is a block diagram of a fifth exemplary embodiment
- FIG. 6 shows a block diagram of a sixth exemplary embodiment
- FIG. 7 shows a block diagram of a seventh exemplary embodiment
- FIG. 8 shows a block diagram of an eighth exemplary embodiment.
- components having the same function are provided with the same reference numerals for the sake of clarity.
- a shaft 1 is successively connected to a first gas turbine 2, a generator 3 with a transformer block 3a, a low-pressure steam turbine 4, a high-pressure steam turbine 5 and a second gas turbine 6 via corresponding couplings 8, 9, 11.
- the first gas turbine 2 is connected at a first end 23 to the shaft 1 via a reversing gear 7 and a downstream first clutch 8.
- the generator 3 connected downstream is connected to the low-pressure and high-pressure steam turbines 4 and 5 via a rigid coupling 9.
- the second gas turbine 6 is connected to the shaft 1 via a transmission 10 by means of a second clutch 11 at a second end 24.
- the first gas turbine 2 and the second gas turbine 6 are each connected to a terminally arranged first waste heat boiler system 12 and a second waste heat boiler system 13. These waste heat boiler systems 12, 13 are connected to one another by means of a pipe line 14.
- First supply lines 15 for supplying the high-pressure part turbine 5 and a second supply line 16 for supplying the low-pressure part turbine 4 branch off from the pipeline route 14.
- Another supply line 16 leads from the high-pressure sub-turbine 5 to the low-pressure sub-turbine 5.
- the low-pressure sub-turbine 4 (with associated condenser, not shown) is connected to a cooling water supply 18 via overflow lines 17.
- the gas turbines 2.6 are preferably in the power class of approximately 40 MW to 70 MW.
- the output of the steam turbine is approximately half of the total output of the gas turbines 2.6 together.
- FIG. 2 shows a second embodiment of the invention. This is essentially a System 22 according to FIG. 1, but both the reversing gear 7 and the gear 10 are not provided. Because of the axial and terminal arrangement of the first waste heat boiler system 12 and the second waste heat boiler system 12, the first gas turbine 2 and second gas turbine 6 shown in this exemplary embodiment have an opposite direction of rotation.
- FIG. 3 shows a third exemplary embodiment of the invention.
- This is a combined gas and steam turbine system 22 in a single-shaft arrangement, which is used in particular for smaller units for generating electricity.
- a third clutch 19 instead of the rigid clutch 9 is provided here between the generator 3 and the low-pressure partial turbine 4.
- the power of the gas turbines 2.6 is approximately up to approximately 30 MW each.
- FIG. 4 shows a fourth embodiment of the invention. It is a system 22 according to FIG. 1, although no gear 10 is provided, since in this case the gas turbines are operated at generator speed.
- FIG. 5 shows a fifth exemplary embodiment of the invention. This is essentially an arrangement according to FIG. 1, neither a gear 10 nor a reversing gear 7 being provided.
- the first heat recovery system 12 and the second heat recovery system 13 are not arranged axially, but at an angle of approximately 90 ° to the shaft 1.
- a first air intake 20 assigned to the first gas turbine 2 and a second air intake 21 assigned to the second gas turbine 6 are likewise arranged at an angle of approximately 90 ° with respect to the shaft 1.
- the gas turbines 2.6 are preferably in the power class above 100 MW electrical power.
- 6 shows a sixth embodiment of the invention. 5, but the rigid clutch 9 has been replaced by a third clutch 19.
- the gas turbines 2,6 also rotate at the generator speed and are preferably in the line class of up to about 60 MW.
- FIG. 7 shows a seventh exemplary embodiment of the invention, which differs from that shown in FIG. 6 in that a reversing gear 7 is provided between the first gas turbine 2 and the first clutch 8.
- FIG. 8 finally shows an eighth exemplary embodiment of the invention.
- This is essentially a plant 22 according to FIG. 7, although the waste heat boiler plant 12 assigned to the first gas turbine 2 is arranged axially to the shaft 1.
- the mode of operation of the device according to the invention is as follows.
- the hot exhaust gases of the first gas turbine 2 and the second gas turbine 6 arrive in the respectively assigned waste heat boiler system 12, 13 for generating steam.
- the steam generated therein is, depending on the steam state (temperature, pressure), via a pipeline line connecting the waste heat boiler systems 12, 13
- the low-pressure turbine section 4 is supplied with steam by a second supply line 14, which branches off from the pipeline route 14.
- High-pressure turbine section 5 is via first supply lines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19536488 | 1995-09-29 | ||
DE19536488 | 1995-09-29 | ||
PCT/DE1996/001862 WO1997012126A2 (de) | 1995-09-29 | 1996-09-27 | Gas- und dampfturbinenanlage in einwellenanordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0852660A2 true EP0852660A2 (de) | 1998-07-15 |
EP0852660B1 EP0852660B1 (de) | 2003-12-10 |
Family
ID=7773686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96942253A Expired - Lifetime EP0852660B1 (de) | 1995-09-29 | 1996-09-27 | Gas- und dampfturbinenanlage in einwellenanordnung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0852660B1 (de) |
DE (1) | DE59610865D1 (de) |
ES (1) | ES2211998T3 (de) |
WO (1) | WO1997012126A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19923210A1 (de) * | 1999-05-20 | 2000-11-23 | Abb Alstom Power Ch Ag | Kombikraftwerk |
EP2412951A1 (de) * | 2010-07-26 | 2012-02-01 | Siemens Aktiengesellschaft | Gasturbinenkraftwerk |
IT201600069753A1 (it) | 2016-07-05 | 2018-01-05 | Exergy Spa | Assieme di turbine e treno di turbine comprendente almeno uno di detti assiemi |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS58160503A (ja) * | 1982-03-19 | 1983-09-24 | Hitachi Ltd | コンバインド発電プラント |
JPH06288204A (ja) * | 1993-04-01 | 1994-10-11 | Hitachi Ltd | 一軸型コンバインド発電設備 |
JPH07102908A (ja) * | 1993-10-08 | 1995-04-18 | Toshiba Corp | 再燃形コンバインドサイクル発電プラント |
-
1996
- 1996-09-27 WO PCT/DE1996/001862 patent/WO1997012126A2/de active IP Right Grant
- 1996-09-27 DE DE59610865T patent/DE59610865D1/de not_active Expired - Fee Related
- 1996-09-27 EP EP96942253A patent/EP0852660B1/de not_active Expired - Lifetime
- 1996-09-27 ES ES96942253T patent/ES2211998T3/es not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9712126A2 * |
Also Published As
Publication number | Publication date |
---|---|
EP0852660B1 (de) | 2003-12-10 |
DE59610865D1 (de) | 2004-01-22 |
ES2211998T3 (es) | 2004-07-16 |
WO1997012126A2 (de) | 1997-04-03 |
WO1997012126A3 (de) | 1997-05-15 |
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