EP3128136A1 - Überlasteinleitung in eine dampfturbine - Google Patents

Überlasteinleitung in eine dampfturbine Download PDF

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Publication number
EP3128136A1
EP3128136A1 EP15180187.5A EP15180187A EP3128136A1 EP 3128136 A1 EP3128136 A1 EP 3128136A1 EP 15180187 A EP15180187 A EP 15180187A EP 3128136 A1 EP3128136 A1 EP 3128136A1
Authority
EP
European Patent Office
Prior art keywords
valve
steam turbine
steam
overload
arrangement
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.)
Withdrawn
Application number
EP15180187.5A
Other languages
German (de)
English (en)
French (fr)
Inventor
Martin Kuhn
Ralf Plaumann
Dominic Schlehuber
Aleksandar Stanisic
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
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP15180187.5A priority Critical patent/EP3128136A1/de
Priority to JP2018506253A priority patent/JP2018526566A/ja
Priority to US15/748,801 priority patent/US10301975B2/en
Priority to EP16738088.0A priority patent/EP3300509A1/de
Priority to RU2018107270A priority patent/RU2672221C1/ru
Priority to PCT/EP2016/065290 priority patent/WO2017025242A1/de
Priority to CN201680045825.2A priority patent/CN107849944A/zh
Priority to KR1020187006117A priority patent/KR20180030214A/ko
Publication of EP3128136A1 publication Critical patent/EP3128136A1/de
Withdrawn legal-status Critical Current

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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
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/18—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
    • 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
    • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/16—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type
    • F01K7/18—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being only of turbine type the turbine being of multiple-inlet-pressure type
    • F01K7/20—Control means specially adapted therefor
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/105—Final actuators by passing part of the fluid
    • 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for 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
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/18—Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for 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
    • 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
    • F01D25/26—Double casings; Measures against temperature strain in casings
    • 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
    • F01D25/28—Supporting or mounting arrangements, e.g. for turbine casing
    • F01D25/285—Temporary support structures, e.g. for testing, assembling, installing, repairing; Assembly methods using such structures
    • 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
    • F01K13/00—General layout or general methods of operation of complete plants
    • F01K13/02—Controlling, e.g. stopping or 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
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • 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
    • F05D2270/30—Control parameters, e.g. input parameters
    • F05D2270/306—Mass flow
    • F05D2270/3061—Mass flow of the working fluid

Definitions

  • the invention relates to an arrangement comprising a steam turbine with a double-shell housing, which comprises an outer housing and an inner housing arranged therein, and a terminal guided through the outer housing, wherein the terminal with a pair of terminal openings, formed by a first connection opening and a second connection opening is, which are formed on the inner housing, further comprising a first valve for supplying steam into the inner housing, wherein the first valve is fluidly connected to the first connection opening.
  • Steam turbines are used to generate electrical energy.
  • a steam is generated in the steam generator and fed to the steam turbine to an inflow.
  • the thermal energy of the steam is converted into mechanical rotational energy of the rotor.
  • This increase in steam mass flow is supplied to the steam turbine in a known manner via overflow inflow regions located downstream in the blading area.
  • a branch is realized by the main steam line, which is fluidly connected downstream with the Matterlasteinström Symposium.
  • an overload valve is arranged, which is normally closed.
  • a quick-closing and a control valve is arranged in the main steam line.
  • the overload valve is disposed below the steam turbine in some embodiments, resulting in unnecessary additional piping connections.
  • the overload valve and piping must be supported, which additional Expense represents.
  • the overload valve is positioned below the center of the turbine, making drainage of the overload valve an absolute low point, making a dewatering station mandatory.
  • the object of the invention is to provide a more cost-effective arrangement for overload operation.
  • a steam turbine with a clam shell housing, which comprises an outer housing and an inner housing disposed therein, and a terminal guided through the outer housing, the terminal having a pair of terminal openings, formed by a first connection opening and a second connection opening is configured, which are formed on the inner housing, further comprising a first valve for supplying steam into the inner housing, wherein the first valve is fluidly connected to the first port, further comprising a second valve for discharging steam, said second valve fluidly with the second connection opening is connected.
  • the invention is based on the aspect that a complicated piping of the second valve, which may be referred to as an overload valve, can be avoided. Likewise, can be dispensed with an additional dewatering station.
  • the first valve and the second valve are arranged comparatively at a small distance from each other on the steam turbine.
  • the steam turbine also has an overload inflow region, which is fluidically connected to the second valve.
  • the steam turbine is further developed in that this one designed for a flow direction Blade region and the Matterlasteinström Scheme opens into the blading area downstream of a downstream blade stage.
  • connection openings on the inner housing are formed opposite each other.
  • the FIG. 1 shows an arrangement 1 according to the prior art.
  • the arrangement 1 comprises a steam turbine 2 with a double-shell housing (not shown) which comprises an outer housing 3 and an inner housing (not shown) arranged therein.
  • the steam turbine 2 comprises a
  • the steam turbine 2 comprises a rotatably mounted rotor and an inflow region 5 for a live steam.
  • the inflow region 5 is fluidically connected to a main steam line 9.
  • a quick-closing valve 7 and a control valve 8 is arranged.
  • the arrangement 1 comprises a branch 9.
  • an overload line 10 is arranged and opens into a Studentslasteinström Scheme 11 in the steam turbine 2.
  • an overload valve 12 is arranged, which is arranged in the actual structure below the steam turbine 2 , which leads to disadvantages.
  • a live steam flows via the main steam line 6 and the quick-closing valve 7 and control valve 8 into the inflow region 5 of the steam turbine.
  • the thermal energy of the steam is converted into mechanical energy of the rotor.
  • the rotation of the rotor can finally be converted into electrical energy by means of a generator.
  • the overload valve 12 is opened and a portion of the steam is flowed via the overload line in the Kochlasteinström Society 11.
  • the overload valve 12 is closed. By opening the overload valve 12, the power of the steam turbine 2 can be increased.
  • the FIG. 2 shows an inventive arrangement 1.
  • the main steam line 6 is fluidically connected via the quick-closing valve 7 and control valve 8 with the inflow 5.
  • the terminal 4 is formed with a pair of terminal openings 4a, 4b formed by a first terminal opening 4a and a second terminal opening 4b, which are formed on the inner housing.
  • the arrangement 1 comprises a second valve 12, which may be referred to as an overload valve and is designed for discharging steam. This is done via a discharge line 13 and opens into an overload line 10 in the Matterlasteinström Society 11.
  • FIG. 3 shows an expanded embodiment of the arrangement according to FIG. 2
  • An overload steam is also conducted via the overload line 10 in a Studentslasteinström Scheme 11.
  • the difference of the arrangement according to FIG. 3 to the execution according to FIG. 2 is that the steam turbine 2 is designed as a double-flow steam turbine with a first flow 14 and a second flow 15.
  • a live steam flows via the live steam line 6 into the first flood 14 and from there out of the steam turbine 2 to a reheater (not shown).
  • steam flows via a medium-pressure steam line 16 and a medium-pressure quick-closing valve 17 and medium-pressure control valve 18 into a medium-pressure inflow region 19.
  • steam in the second flow 15 flows out of the steam turbine 2 through a flow channel.
  • the thermal energy of the steam is converted into mechanical energy of the rotor.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Control Of Turbines (AREA)
EP15180187.5A 2015-08-07 2015-08-07 Überlasteinleitung in eine dampfturbine Withdrawn EP3128136A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP15180187.5A EP3128136A1 (de) 2015-08-07 2015-08-07 Überlasteinleitung in eine dampfturbine
JP2018506253A JP2018526566A (ja) 2015-08-07 2016-06-30 蒸気タービンへの過負荷導入
US15/748,801 US10301975B2 (en) 2015-08-07 2016-06-30 Overload introduction into a steam turbine
EP16738088.0A EP3300509A1 (de) 2015-08-07 2016-06-30 Überlasteinleitung in eine dampfturbine
RU2018107270A RU2672221C1 (ru) 2015-08-07 2016-06-30 Ввод перегрузки в паровую турбину
PCT/EP2016/065290 WO2017025242A1 (de) 2015-08-07 2016-06-30 Überlasteinleitung in eine dampfturbine
CN201680045825.2A CN107849944A (zh) 2015-08-07 2016-06-30 到蒸汽轮机中的过载导入
KR1020187006117A KR20180030214A (ko) 2015-08-07 2016-06-30 증기 터빈 내로의 과부하 도입

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15180187.5A EP3128136A1 (de) 2015-08-07 2015-08-07 Überlasteinleitung in eine dampfturbine

Publications (1)

Publication Number Publication Date
EP3128136A1 true EP3128136A1 (de) 2017-02-08

Family

ID=53785552

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15180187.5A Withdrawn EP3128136A1 (de) 2015-08-07 2015-08-07 Überlasteinleitung in eine dampfturbine
EP16738088.0A Withdrawn EP3300509A1 (de) 2015-08-07 2016-06-30 Überlasteinleitung in eine dampfturbine

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP16738088.0A Withdrawn EP3300509A1 (de) 2015-08-07 2016-06-30 Überlasteinleitung in eine dampfturbine

Country Status (7)

Country Link
US (1) US10301975B2 (ru)
EP (2) EP3128136A1 (ru)
JP (1) JP2018526566A (ru)
KR (1) KR20180030214A (ru)
CN (1) CN107849944A (ru)
RU (1) RU2672221C1 (ru)
WO (1) WO2017025242A1 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6614502B2 (ja) * 2016-10-21 2019-12-04 三菱重工業株式会社 蒸気タービン

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006161698A (ja) * 2004-12-08 2006-06-22 Toshiba Corp 蒸気タービンの過負荷運転装置および蒸気タービンの過負荷運転方法
EP2299068A1 (de) * 2009-09-22 2011-03-23 Siemens Aktiengesellschaft Kraftwerksanlage mit Überlast-Regelventil
EP2546476A1 (de) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Dampfturbinenanlage und Verfahren zum Betreiben der Dampfturbinenanlage
US20140328673A1 (en) * 2012-01-17 2014-11-06 Kabushiki Kaisha Toshiba Steam turbine control device

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
CH211167A (de) 1939-06-15 1940-08-31 Escher Wyss Maschf Ag Mehrstufige Dampf- oder Gasturbine, deren erstes Stufengefälle unterkritisch ist, und welcher zur Erhöhung der Leistungsfähigkeit zusätzliches Arbeitsmittel zugeführt wird.
SE395930B (sv) * 1975-12-19 1977-08-29 Stal Laval Turbin Ab Reglersystem for angturbinanleggning
US4403476A (en) * 1981-11-02 1983-09-13 General Electric Company Method for operating a steam turbine with an overload valve
JPS63167001A (ja) 1986-12-26 1988-07-11 Fuji Electric Co Ltd 反動タ−ビン
JPS63134105U (ru) 1987-02-25 1988-09-02
CN1221471A (zh) 1996-04-26 1999-06-30 西门子公司 用于将过负荷蒸汽导入汽轮机中的控制装置和方法
EP1624155A1 (de) * 2004-08-02 2006-02-08 Siemens Aktiengesellschaft Dampfturbine und Verfahren zum Betrieb einer Dampfturbine
US8505299B2 (en) * 2010-07-14 2013-08-13 General Electric Company Steam turbine flow adjustment system
AU2012350392B2 (en) 2011-12-16 2017-11-23 Heron Energy Pte Ltd High speed turbine
EP2667027A1 (en) * 2012-05-24 2013-11-27 Alstom Technology Ltd Steam rankine cycle solar plant and method for operating such plants
US8863522B2 (en) * 2012-10-16 2014-10-21 General Electric Company Operating steam turbine reheat section with overload valve
JP6285692B2 (ja) * 2013-11-05 2018-02-28 三菱日立パワーシステムズ株式会社 蒸気タービン設備
EP3040525B1 (en) * 2015-01-05 2020-08-26 General Electric Technology GmbH Multi stage steam turbine for power generation

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006161698A (ja) * 2004-12-08 2006-06-22 Toshiba Corp 蒸気タービンの過負荷運転装置および蒸気タービンの過負荷運転方法
EP2299068A1 (de) * 2009-09-22 2011-03-23 Siemens Aktiengesellschaft Kraftwerksanlage mit Überlast-Regelventil
EP2546476A1 (de) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Dampfturbinenanlage und Verfahren zum Betreiben der Dampfturbinenanlage
US20140328673A1 (en) * 2012-01-17 2014-11-06 Kabushiki Kaisha Toshiba Steam turbine control device

Also Published As

Publication number Publication date
KR20180030214A (ko) 2018-03-21
WO2017025242A1 (de) 2017-02-16
US20190010831A1 (en) 2019-01-10
US10301975B2 (en) 2019-05-28
JP2018526566A (ja) 2018-09-13
CN107849944A (zh) 2018-03-27
RU2672221C1 (ru) 2018-11-12
EP3300509A1 (de) 2018-04-04

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