EP0852660B1 - Installation de turbines a gaz et a vapeur dans une configuration a un arbre - Google Patents

Installation de turbines a gaz et a vapeur dans une configuration a un arbre Download PDF

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Publication number
EP0852660B1
EP0852660B1 EP96942253A EP96942253A EP0852660B1 EP 0852660 B1 EP0852660 B1 EP 0852660B1 EP 96942253 A EP96942253 A EP 96942253A EP 96942253 A EP96942253 A EP 96942253A EP 0852660 B1 EP0852660 B1 EP 0852660B1
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.)
Expired - Lifetime
Application number
EP96942253A
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German (de)
English (en)
Other versions
EP0852660A2 (fr
Inventor
Alfred Kessler
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens AG
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Siemens AG
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Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP0852660A2 publication Critical patent/EP0852660A2/fr
Application granted granted Critical
Publication of EP0852660B1 publication Critical patent/EP0852660B1/fr
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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 plant in Single-shaft arrangement with a shaft that with a first Gas turbine, a second gas turbine, a steam turbine and is connected to a generator, the first gas turbine is arranged at the first end of the shaft.
  • EP 0 407 132 A1 A gas and steam turbine plant where at the first end of the Shaft the gas turbine and at the second end of the same shaft the Generator provided, is known from EP 0 407 132 A1.
  • a high-pressure part and a low-pressure part steam turbine each by means of clutches are separably connected to the shaft.
  • the one driving the generator Wave is through the gas and possibly through the steam turbines are rotated.
  • the one to drive steam required for the steam turbines is provided, by transferring the hot exhaust gases from the gas turbine to a steam generator are fed.
  • This facility requires a high level Space requirements, as sufficient to achieve today's requirements Total power plant output of up to over 1000 MW electrical Usually performs a majority of the above investments necessary.
  • the aim of EP 0 407 132 A1 is in an improvement in the relative thermal expansion between the turbine housing and turbine shaft, what an appropriate choice a fixed point is to be reached.
  • DE 33 16 070 A1 has a single gas turbine consisting of a high pressure turbine (HD turbine) and a low pressure turbine (LP turbine). This Partial turbines are each directly on one side coupled to a common generator.
  • the uniform Gas turbine has a complex line routing for guidance of the gas flows between the individual sub-turbines.
  • JP 06288204 A is a gas and steam turbine system known in single-shaft arrangement, in which a two gas turbines comprehensive gas turbine part a steam turbine part on one common shaft is connected upstream.
  • the object of the invention is a gas and steam turbine system to indicate in a single-shaft arrangement that a low Space requirements with high electrical power output having.
  • the shaft its second end in connection with the second gas turbine stands, in particular rigidly or switchably coupled to it.
  • Direction of rotation of the first gas turbine and the second gas turbine opposed can be changed the first gas turbine and the second gas turbine too be the same, being between the first gas turbine or the second gas turbine a reverse gear is arranged so that these with the opposite direction of rotation, i.e. in mutual connection, can be coupled to the shaft.
  • FIG. 1 shows a first embodiment of a combined Gas and steam turbine system 22 in a single-shaft arrangement.
  • a shaft 1 has a first gas turbine in succession 2, a generator 3 with a transformer block 3a, a low pressure steam turbine 4, a high pressure steam turbine 5 and one second gas turbine 6 via corresponding clutches 8, 9, 11 in Connection.
  • the first gas turbine 2 is at a first end 23 with the shaft 1 via a reversing gear 7 and a downstream one first clutch 8 separably connected.
  • the downstream generator 3 is via a rigid coupling 9 connected to the low and high pressure part steam turbines 4 and 5.
  • the second gas turbine 6 is by means of a gear 10 a second clutch 11 at a second end 24 switched to shaft 1.
  • the first gas turbine 2 and the second gas turbine 6 each have a terminal arranged first waste heat boiler system 12 or a second Waste heat boiler system 13 in connection. These waste heat boiler systems 12, 13 are connected to one another by means of a pipeline route 14 connected.
  • the first branches from Rohr effetstrasse 14 Supply lines 15 for supplying the high-pressure sub-turbine 5 and a second supply line 16 for supply the low-pressure turbine section 4.
  • Another supply line 16 leads from the high-pressure turbine section 5 to the low-pressure turbine section 5.
  • the low-pressure turbine section 4 (with associated condenser, not shown) is above overflow lines 17 with a cooling water supply 18 in connection.
  • the gas turbines 2.6 are preferably in the Power class from approx. 40 MW to 70 MW.
  • the performance of the Steam turbine is about half the total output of both Gas turbines 2.6 together.
  • FIG. 2 is a second embodiment shown. This is essentially a System 22 of FIG. 1, but both the reversing gear 7 and the transmission 10 are not provided. by virtue of the axial and terminal arrangement of the first waste heat boiler system 12 or the second waste heat boiler system 12 have the first shown in this embodiment Gas turbine 2 and second gas turbine 6 an opposite Direction of rotation.
  • Fig. 3 shows a third embodiment of the invention. It is a combined gas and steam turbine plant 22 in single shaft arrangement, which is particularly for use smaller units to generate electricity place.
  • a third clutch 19 instead of the rigid one Coupling 9 provided.
  • the performance of the gas turbines is 2.6 each up to approx. 30 MW.
  • Fig. 4 shows a fourth embodiment of the invention. It is a system 22 according to FIG. 1, wherein however, no gear 10 is provided, since in this case the gas turbines are operated at generator speed.
  • FIG. 5 is a fifth embodiment shown. This is essentially a Arrangement according to Fig. 1, wherein neither a transmission 10 nor a Reverse gear 7 is provided.
  • the first waste heat boiler system 12 and the second waste heat boiler system 13 are in contrast to the system 22 of FIG. 1 not axially, but at an angle 90 ° from the shaft 1.
  • One of the first gas turbine 2 assigned first air intake 20 and a second air intake assigned to the second gas turbine 6 21 are also opposite at an angle of approximately 90 ° the shaft 1 arranged.
  • the gas turbines 2.6 are preferably located in the power class over 100 MW electrical Power.
  • FIG. 6 shows a sixth embodiment of the invention. This is essentially a system 22 according to Fig. 5, but the rigid coupling 9 by a third clutch 19 has been replaced.
  • the gas turbines 2.6 also rotate here at generator speed and lie preferably in the line class of up to about 60 MW.
  • FIG. 7 is a seventh embodiment of the invention shown, which differs from that shown in Fig. 6 distinguishes that between the first gas turbine 2 and the first clutch 8, a reversing gear 7 is provided.
  • FIG. 8 finally shows an eighth embodiment of the Invention. This is essentially an installation 22 according to FIG. 7, although that of the first gas turbine 2 assigned waste heat boiler system 12 axially to shaft 1 is arranged.
  • the hot exhaust gases from the first gas turbine 2 and the second Gas turbine 6 get into the generation of steam in each assigned waste heat boiler system 12, 13.
  • the generated therein Depending on the steam condition (temperature, pressure), steam is released via a the pipeline route connecting the waste heat boiler systems 12, 13 14 of the low-pressure sub-turbine 4 or the high-pressure sub-turbine 5 fed to relax.
  • the low pressure turbine 4 is supplied with steam by a second supply line 14, which branches off from Rohr effetstrasse 14.
  • the High-pressure turbine section 5 is via first supply lines 15 supplied with steam, also from the Rohr effetstrasse 14 branch. That through the first gastrubine 2 or second gas turbine 6 and the high-pressure sub-turbine 4 and low-pressure sub-turbine 5 torque applied to shaft 1 serves to drive the generator 3.
  • the steam section and gas turbines can be used between the if necessary higher rotating gas turbines 2.6 and the shaft 1 reduction gear be provided.
  • a reversing gear 7 can also be provided instead of the gear 10 his.

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  • 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)

Claims (9)

  1. Installation (22) de turbine à gaz et de turbine à vapeur dans une configuration à un arbre comprenant un arbre (1) qui est en liaison avec une première turbine (2) à gaz, une deuxième turbine (6) à gaz, une turbine (4, 5) à vapeur et une génératrice (3), la première turbine (2) à gaz étant couplée au premier bout (23) de l'arbre (1), caractérisée en ce que la deuxième turbine (6) à gaz est reliée au deuxième bout (24) de l'arbre (1 ), la turbine (4, 5) à vapeur est disposée axialement entre la première turbine (2) à gaz et la deuxième turbine (6) à gaz, et il est prévu entre l'arbre (1) et la première turbine (2) à gaz ou la deuxième turbine (6) à gaz une transmission réversible (7).
  2. Installation (22) suivant la revendication 1,
       caractérisée en ce que les sens de rotation de la première turbine (2) à gaz et de la deuxième turbine (6) à gaz sont inverses.
  3. Installation (22) suivant la revendication 1,
       caractérisée en ce que les sens de rotation de la première turbine (2) à gaz et de la deuxième turbine (6) à gaz sont les mêmes.
  4. Installation (22) suivant l'une des revendications 1 à 3,
       caractérisée en ce que le courant de gaz qui sort de la première turbine (2) à gaz et/ou de la deuxième turbine (6) à gaz est dévié d'environ 90°.
  5. Installation (22) suivant l'une des revendications 1 à 4,
       caractérisée en ce qu'il est prévu entre la première turbine (2) à gaz et/ou la deuxième turbine (6) à gaz et l'arbre (1) un dispositif (8, 11) d'accouplement.
  6. Installation (22) suivant l'une des revendications 1 à 5,
       caractérisée en ce qu'il est prévu entre la turbine (4, 5) à vapeur et la génératrice (3) un dispositif (9, 19) d'accouplement.
  7. Installation (22) suivant la revendication 5 ou 6,
       caractérisée en ce que le dispositif (8, 9, 11, 19) d'accouplement est un accouplement rigide ou un accouplement embrayable.
  8. Installation (22) suivant l'une des revendications 1 à 7,
       caractérisée en ce que la turbine à vapeur comprend une sous-turbine (4) basse pression et une sous-turbine (5) haute pression.
  9. Installation (22) suivant l'une des revendications 1 à 8,
       caractérisée en ce qu'il est associé à la première turbine (2) à gaz un premier dispositif (12) de production de vapeur et à la deuxième turbine (6) à gaz un deuxième dispositif (13) de production de vapeur, ces dispositifs communiquant entre eux par au moins une canalisation (14).
EP96942253A 1995-09-29 1996-09-27 Installation de turbines a gaz et a vapeur dans une configuration a un arbre Expired - Lifetime EP0852660B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19536488 1995-09-29
DE19536488 1995-09-29
PCT/DE1996/001862 WO1997012126A2 (fr) 1995-09-29 1996-09-27 Installation de turbines a gaz et a vapeur dans une configuration a un arbre

Publications (2)

Publication Number Publication Date
EP0852660A2 EP0852660A2 (fr) 1998-07-15
EP0852660B1 true EP0852660B1 (fr) 2003-12-10

Family

ID=7773686

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96942253A Expired - Lifetime EP0852660B1 (fr) 1995-09-29 1996-09-27 Installation de turbines a gaz et a vapeur dans une configuration a un arbre

Country Status (4)

Country Link
EP (1) EP0852660B1 (fr)
DE (1) DE59610865D1 (fr)
ES (1) ES2211998T3 (fr)
WO (1) WO1997012126A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19923210A1 (de) * 1999-05-20 2000-11-23 Abb Alstom Power Ch Ag Kombikraftwerk
EP2412951A1 (fr) * 2010-07-26 2012-02-01 Siemens Aktiengesellschaft Centrale de turbines à gaz
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
DE59610865D1 (de) 2004-01-22
ES2211998T3 (es) 2004-07-16
WO1997012126A2 (fr) 1997-04-03
EP0852660A2 (fr) 1998-07-15
WO1997012126A3 (fr) 1997-05-15

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