EP2045441A1 - Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci - Google Patents

Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci Download PDF

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Publication number
EP2045441A1
EP2045441A1 EP07019475A EP07019475A EP2045441A1 EP 2045441 A1 EP2045441 A1 EP 2045441A1 EP 07019475 A EP07019475 A EP 07019475A EP 07019475 A EP07019475 A EP 07019475A EP 2045441 A1 EP2045441 A1 EP 2045441A1
Authority
EP
European Patent Office
Prior art keywords
generator
steam turbine
steam
turbocompressor
train
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
Application number
EP07019475A
Other languages
German (de)
English (en)
Other versions
EP2045441B1 (fr
Inventor
Oliver Berendt
Jens Dr. Hampel
Olaf Schmidt
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
Original Assignee
Siemens AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority to PL07019475T priority Critical patent/PL2045441T3/pl
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP07019475A priority patent/EP2045441B1/fr
Priority to ES07019475T priority patent/ES2343336T3/es
Priority to DE502007004025T priority patent/DE502007004025D1/de
Priority to AT07019475T priority patent/ATE470049T1/de
Priority to KR1020107009661A priority patent/KR101531831B1/ko
Priority to RU2010117378/06A priority patent/RU2478795C2/ru
Priority to MX2010003515A priority patent/MX2010003515A/es
Priority to JP2010527443A priority patent/JP4940352B2/ja
Priority to CN200880109922A priority patent/CN101815845A/zh
Priority to BRPI0817803A priority patent/BRPI0817803A2/pt
Priority to PCT/EP2008/063149 priority patent/WO2009043875A1/fr
Priority to US12/680,973 priority patent/US8575774B2/en
Publication of EP2045441A1 publication Critical patent/EP2045441A1/fr
Application granted granted Critical
Publication of EP2045441B1 publication Critical patent/EP2045441B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • 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
    • F01D1/00—Non-positive-displacement machines or engines, e.g. steam turbines
    • 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
    • F01D15/08—Adaptations for driving, or combinations with, pumps
    • 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
    • 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
    • F05D2220/00—Application
    • F05D2220/70—Application in combination with
    • F05D2220/72—Application in combination with a steam turbine
    • 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
    • F05D2260/00—Function
    • F05D2260/40—Transmission of power
    • F05D2260/402—Transmission of power through friction drives
    • F05D2260/4023—Transmission of power through friction drives through a friction clutch
    • 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
    • F05D2260/00—Function
    • F05D2260/85—Starting
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/02—Purpose of the control system to control rotational speed (n)
    • 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
    • F05D2270/00—Control
    • F05D2270/01—Purpose of the control system
    • F05D2270/06—Purpose of the control system to match engine to driven device
    • F05D2270/061—Purpose of the control system to match engine to driven device in particular the electrical frequency of driven generator

Definitions

  • the invention relates to a generator-steam turbine-turbocompressor train and a method for operating the generator-steam turbine-turbocompressor train.
  • a turbocompressor is used, for example, in a plant of the chemical industry. Conventionally, there is a supply of thermal energy in the form of process steam in the plant.
  • the process steam is provided in a process steam system from which the process steam for driving a steam turbine can be taken.
  • the steam turbine is conventionally used to drive the turbocompressor.
  • the turbo-compressor is operated at different operating conditions, which may be associated with different speeds of the turbo-compressor.
  • the speed of the turbocompressor affects the drive power received by the turbocompressor, and the thermal power provided by the process steam system is conventionally greater than the power required to drive the turbocompressor. This power surplus increases with decreasing power consumption of the turbocompressor.
  • this power surplus is not used or converted into a steam turbine set consisting of a steam turbine and a generator that is additionally installed in the system.
  • a steam turbine kit comprising a generator 101 and a steam turbine 102 is shown.
  • the steam turbine 102 drives the generator 101 via a first clutch 104.
  • To drive the steam turbine 102 is from a live steam line 106 of the steam turbine 102 is supplied live steam.
  • the electric power generated by the generator 101 is output to an electric network 107.
  • a further steam turbine 108 is driven, which in turn is coupled via a clutch 105 with a turbo compressor 103 to its drive.
  • the rotational speed of the turbocompressor 103 is regulated by means of a rotational speed feedback device 109 which controls a live steam valve 108a.
  • the main steam valve 108a is controlled such that the supplied from the main steam line 106 of the steam turbine 108 steam amount is set such that the turbocompressor 103 is adjusted to the predetermined speed.
  • the steam turbine 108 is designed to drive the turbocompressor 103 oversized.
  • the steam turbine 108 has to provide a maximum required drive power of the turbocompressor 103 with minimal parameters of the live steam line 106.
  • the steam turbine 108 has to allow the start of the turbocompressor 103 even with reduced live steam parameters. In rated operation, the steam turbine 108 is therefore acted upon only about 70% of the maximum steam flow rate. This has the consequence that the steam turbine 108 is driven throttled in the majority of the operating time with the main steam valve 108a. As a result, the efficiency of the steam turbine 108 is far below its maximum efficiency.
  • the excess live steam which is available in the main steam line 106, is converted into electricity.
  • the additional provision of the steam turbine 102 and generator 106 in the plant is expensive and expensive.
  • a conventional train including a generator 101, a steam turbine 102, and a turbocompressor 103 is shown.
  • the steam turbine 102 is supplied with live steam from a live steam line 106 and is coupled by means of a clutch 104 to the generator 101 and by means of a clutch 105 to the turbo-compressor 103 for driving.
  • the electric power generated in the generator 101 is output to an electric network 107.
  • the turbocompressor 103 is operated at a constant speed.
  • the steam turbine 102 is driven throttled at rated load and partial load for the reasons mentioned above, so that the efficiency of the steam turbine 102 is also below its optimum efficiency. Furthermore, there is no possibility to regulate the turbocompressor 103 via the rotational speed, which leads to a loss of efficiency of the overall process.
  • the object of the invention is to provide a generator-steam turbine-turbocompressor train and a method for operating the same, wherein the generator-steam turbine-turbocompressor train has a high efficiency, good controllability and low investment costs.
  • the generator-steam turbine-turbocompressor train comprises a frequency-variable generator, a steam turbine and a turbo-compressor driven by the generator and / or the steam turbine, which are coupled together to form a shaft train, wherein the generator is electrically coupled to an electrical grid for feeding in the grid and the steam turbine can be connected to a live steam supply line for supplying live steam to the steam turbine, so that the generator-steam turbine-turbocompressor train can be speed-controlled via a variation of the mains supply and / or via the live steam supply.
  • the method according to the invention for operating the generator / steam turbine / turbocompressor train has the steps: Providing the generator-steam turbine-turbocompressor string; Vary the grid feed of the generator and / or vary the live steam supply to the steam turbine for speed control of the generator-steam turbine-turbocompressor train.
  • the turbocompressor In the generator-steam turbine-turbocompressor train, the turbocompressor is drivable from the steam turbine, completely converting the process energy provided to the train. Because the steam turbine drives the generator, an additional generator drive is not provided, so that the investment costs for the generator / steam turbine / turbocompressor train are low.
  • the steam turbine in the generator-steam turbine-turbocompressor train is mobile with a fully controlled steam control valve. This leads to a high efficiency of the steam turbine, so that the yield of the process energy is high.
  • the power of the turbocompressor in the generator-steam turbine-turbocompressor train is controllable by the variable speed, whereby the power control of the turbocompressor is effective.
  • the generator When starting the turbocompressor, the generator can be operated as a motor, whereby an additional drive power is provided when starting the turbocompressor by the generator.
  • the steam turbine need not be designed so that the start of the turbocompressor can be accomplished at any high steam power requirements of the turbocompressor in case of low steam parameters.
  • the steam turbine is inexpensive to carry out, whereby the investment costs for the steam turbine are low.
  • the steam turbine in normal operation is not or only slightly throttled mobile, whereby the efficiency of the steam turbine is high.
  • the steam turbine preferably has a live steam valve for supplying the live steam from the live steam supply device to the steam turbine, wherein the live steam feed can be regulated with the live steam valve, so that the generator steam turbine turbo compressor train can be speed controlled by means of the live steam valve.
  • the generator-steam turbine-turbocompressor train comprises a frequency converter, with which the generator is electrically coupled to the electrical network for feeding in the grid and the power of the generator is controllable, so that the generator-steam turbine-turbocompressor train by means of the frequency converter is speed controllable.
  • the power output of the generator is variable in the grid feed, so that the power requirement of the generator is adaptable to the power requirement of the turbocompressor.
  • the drive power of the steam turbine can be predetermined and thus adapted to the power supply of the live steam supply device.
  • the complete steam supply of the live steam supply device in the steam turbine can be expanded, the turbo compressor being operable at a desired operating state.
  • the generator is operable both in the generator mode and in the drive motor mode.
  • an additional drive power is provided by the generator.
  • This additional drive power can, for example be required when starting the turbocompressor, for example, if the steam supply of the live steam supply device is too low to start the turbo compressor. This makes it possible to start the turbocompressor yet, although the drive power of the steam turbine alone would not be enough.
  • the generator draws power from the grid.
  • the generator is a high-speed generator.
  • the steps are further preferred: providing the steam turbine with the live steam valve; Varying the position of the live steam valve to control the speed of the generator-steam turbine-turbocompressor train; In normal operation: operating the steam turbine with fully controlled live steam valve.
  • the steam turbine is operated at nominal load and not at partial load in normal operation, so that the efficiency of the steam turbine is high.
  • the steps of: providing the generator as operable in generator mode as well as in drive motor mode are preferred; During start-up operation: Operation of the generator in drive motor operation.
  • FIG. 1 has a generator-steam turbine-turbocompressor train 1 a generator 2, a steam turbine 3 and a turbocompressor 4, which form a shaft 5 strand.
  • the steam turbine 3 is coupled to drive the generator 2 with this means of a first clutch 5a and coupled to drive the turbocompressor 4 by means of a second clutch 5b.
  • the steam turbine 3 is operated with steam from a live steam supply device 7, the steam flow to the steam turbine 3 being controllable by a live steam valve 8.
  • the main steam valve 8 is coupled by means of a speed feedback device 10 with the rotational speed of the shaft train 5. By means of the speed feedback device 10, the main steam valve 8 can be controlled such that the shaft train 5 is speed-controlled.
  • the generator 2 is coupled via a frequency converter 9 to an electrical network 6 for feeding in the grid.
  • the frequency converter 9 is coupled by means of a speed feedback device 11 with the rotational speed of the shaft train 5.
  • the steam turbine 3 is set up by means of the live steam valve 8 and the speed feedback device 10 for speed-controlled drive of the turbocompressor 4. Furthermore, the steam turbine 3 is combined to drive the generator 2 on a shaft train 5.
  • the generator 2 and the frequency converter 9 can, if the boundary conditions require starting the turbocompressor 4 an additional power supply, also be operated by motor.
  • the steam turbine 3 is driven in normal operation with the fully controlled live steam valve 8, so that the steam turbine can be operated in nominal operation at high efficiency.
  • the frequency converter 9 is generated by the generator 2 three-phase current with the respective network frequency of the network 6, which can be fed into the network 6. If necessary, the generator 3 can provide an additional mechanical power for starting the turbocompressor 4 during engine operation.
  • the speed control of the shaft train 5 is carried out either via the adjustment of the grid feed power or at constant power of the generator 2 via the main steam valve 8 of the steam turbine 2.
  • the power control of the generator 2 takes place in the frequency converter.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)
  • Control Of Eletrric Generators (AREA)
  • Supercharger (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP07019475A 2007-10-04 2007-10-04 Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci Not-in-force EP2045441B1 (fr)

Priority Applications (13)

Application Number Priority Date Filing Date Title
EP07019475A EP2045441B1 (fr) 2007-10-04 2007-10-04 Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci
ES07019475T ES2343336T3 (es) 2007-10-04 2007-10-04 Conjunto alineado generador-turbina de vapor-turbocompresor y procedimiento para operar el mismo.
DE502007004025T DE502007004025D1 (de) 2007-10-04 2007-10-04 Generator-Dampfturbine-Turboverdichter-Strang und Verfahren zum Betreiben desselben
AT07019475T ATE470049T1 (de) 2007-10-04 2007-10-04 Generator-dampfturbine-turboverdichter-strang und verfahren zum betreiben desselben
PL07019475T PL2045441T3 (pl) 2007-10-04 2007-10-04 Ciąg obejmujący generator, turbinę parową i turbosprężarkę oraz sposób jego eksploatacji
RU2010117378/06A RU2478795C2 (ru) 2007-10-04 2008-10-01 Линия генератора - паровой турбины - турбокомпрессора и способ для ее эксплуатации
KR1020107009661A KR101531831B1 (ko) 2007-10-04 2008-10-01 발전기-증기 터빈-터보 압축기-라인 및 그 동작 방법
MX2010003515A MX2010003515A (es) 2007-10-04 2008-10-01 Linea de vapor generador-turbina-turbocompresor y procedimiento para operar la misma.
JP2010527443A JP4940352B2 (ja) 2007-10-04 2008-10-01 発電機・蒸気タービン・ターボ圧縮機ライン及び発電機・蒸気タービン・ターボ圧縮機ラインを運転する方法
CN200880109922A CN101815845A (zh) 2007-10-04 2008-10-01 发电机-蒸汽涡轮机-涡轮压缩机-线及其运行的方法
BRPI0817803A BRPI0817803A2 (pt) 2007-10-04 2008-10-01 linha de turbina - turbocompressor gerador de vapor e método para operação do mesmo
PCT/EP2008/063149 WO2009043875A1 (fr) 2007-10-04 2008-10-01 Ligne générateur-turbine à vapeur-turbocompresseur et procédé d'exploitation de cette ligne
US12/680,973 US8575774B2 (en) 2007-10-04 2008-10-01 Generator-stream turbine-turbocompressor string regulated by variation of a mains power supplied and by a live steam feed and method for operating the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07019475A EP2045441B1 (fr) 2007-10-04 2007-10-04 Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci

Publications (2)

Publication Number Publication Date
EP2045441A1 true EP2045441A1 (fr) 2009-04-08
EP2045441B1 EP2045441B1 (fr) 2010-06-02

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07019475A Not-in-force EP2045441B1 (fr) 2007-10-04 2007-10-04 Tronçon de générateur-turbine à gaz-turbocompresseur et procédé destiné au fonctionnement de celui-ci

Country Status (13)

Country Link
US (1) US8575774B2 (fr)
EP (1) EP2045441B1 (fr)
JP (1) JP4940352B2 (fr)
KR (1) KR101531831B1 (fr)
CN (1) CN101815845A (fr)
AT (1) ATE470049T1 (fr)
BR (1) BRPI0817803A2 (fr)
DE (1) DE502007004025D1 (fr)
ES (1) ES2343336T3 (fr)
MX (1) MX2010003515A (fr)
PL (1) PL2045441T3 (fr)
RU (1) RU2478795C2 (fr)
WO (1) WO2009043875A1 (fr)

Cited By (2)

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CN102330573A (zh) * 2010-10-22 2012-01-25 靳北彪 有压气体涡轮增压系统
EP3301267A1 (fr) * 2016-09-29 2018-04-04 Siemens Aktiengesellschaft Procédé de fonctionnement d'un turbo-générateur et le dispositif

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CN102570504B (zh) * 2012-01-10 2015-07-15 冯伟忠 一种用于火力发电厂的变频总电源系统
ITFI20120245A1 (it) 2012-11-08 2014-05-09 Nuovo Pignone Srl "gas turbine in mechanical drive applications and operating methods"
CN103398017B (zh) * 2013-08-13 2016-06-08 中国电力工程顾问集团华东电力设计院有限公司 变频发电机调速的纯凝式小汽机驱动风机系统及方法
CN103398005B (zh) * 2013-08-13 2016-08-10 中国电力工程顾问集团华东电力设计院有限公司 变频发电机调速的纯凝式小汽机驱动给水泵系统及方法
CN103397915B (zh) * 2013-08-13 2016-03-30 中国电力工程顾问集团华东电力设计院有限公司 工频发电机调速的纯凝式小汽机驱动风机系统及方法
CN103397916B (zh) * 2013-08-13 2016-03-30 中国电力工程顾问集团华东电力设计院有限公司 工频发电机调速的背压式小汽机驱动风机系统及方法
CN103397919B (zh) * 2013-08-13 2016-01-06 中国电力工程顾问集团华东电力设计院有限公司 工频发电机调速的纯凝式小汽轮机驱动给水泵系统及方法
CN103397918B (zh) * 2013-08-13 2016-03-16 中国电力工程顾问集团华东电力设计院有限公司 变频发电机调速的背压式小汽机驱动风机系统及方法
CN103397917B (zh) * 2013-08-13 2016-01-13 中国电力工程顾问集团华东电力设计院有限公司 变频发电机调速的背压式小汽机驱动给水泵系统及方法
JP6297343B2 (ja) * 2014-01-31 2018-03-20 メタウォーター株式会社 廃棄物処理設備
CN107171494B (zh) * 2017-06-15 2018-07-20 苏州达思灵新能源科技有限公司 一种压缩空气涡轮直流发电机系统
CN109519232B (zh) * 2018-09-30 2020-12-04 西安陕鼓动力股份有限公司 Shrt机组变频器与汽轮机转速同步自动调节控制方法
JP7373801B2 (ja) * 2019-06-17 2023-11-06 株式会社タクマ ごみ発電システム及びその運転方法
CN111075515A (zh) * 2019-12-23 2020-04-28 大唐郓城发电有限公司 一种主机同轴变频供电系统

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CN102330573A (zh) * 2010-10-22 2012-01-25 靳北彪 有压气体涡轮增压系统
EP3301267A1 (fr) * 2016-09-29 2018-04-04 Siemens Aktiengesellschaft Procédé de fonctionnement d'un turbo-générateur et le dispositif
WO2018059864A1 (fr) * 2016-09-29 2018-04-05 Siemens Aktiengesellschaft Procédé pour faire fonctionner un turbogénérateur

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US20100213709A1 (en) 2010-08-26
KR101531831B1 (ko) 2015-06-26
CN101815845A (zh) 2010-08-25
DE502007004025D1 (de) 2010-07-15
MX2010003515A (es) 2010-04-21
BRPI0817803A2 (pt) 2016-08-09
JP2010540829A (ja) 2010-12-24
PL2045441T3 (pl) 2010-11-30
KR20100065394A (ko) 2010-06-16
JP4940352B2 (ja) 2012-05-30
WO2009043875A1 (fr) 2009-04-09
EP2045441B1 (fr) 2010-06-02
ATE470049T1 (de) 2010-06-15
RU2010117378A (ru) 2011-11-10
ES2343336T3 (es) 2010-07-28
US8575774B2 (en) 2013-11-05

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