EP2496796A2 - Centrale électrique à combustible fossile comportant un dispositif de séparation de dioxyde de carbone et procédé pour faire fonctionner une centrale électrique à combustible fossile - Google Patents

Centrale électrique à combustible fossile comportant un dispositif de séparation de dioxyde de carbone et procédé pour faire fonctionner une centrale électrique à combustible fossile

Info

Publication number
EP2496796A2
EP2496796A2 EP10775787A EP10775787A EP2496796A2 EP 2496796 A2 EP2496796 A2 EP 2496796A2 EP 10775787 A EP10775787 A EP 10775787A EP 10775787 A EP10775787 A EP 10775787A EP 2496796 A2 EP2496796 A2 EP 2496796A2
Authority
EP
European Patent Office
Prior art keywords
steam
carbon dioxide
fossil
separation device
power plant
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Withdrawn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
EP10775787A
Other languages
German (de)
English (en)
Inventor
Ulrich Grumann
Jens Keyser
Ulrich Much
Andreas Pickard
Mike Rost
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
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP2496796A2 publication Critical patent/EP2496796A2/fr
Withdrawn legal-status Critical Current

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
    • F01K17/00—Using steam or condensate extracted or exhausted from steam engine plant
    • F01K17/04—Using steam or condensate extracted or exhausted from steam engine plant for specific purposes other than heating
    • 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
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
    • 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
    • F01K23/14—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 including at least one combustion engine
    • 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
    • F01K7/22—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 turbines having inter-stage steam heating
    • 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]
    • 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
    • Y02E20/32—Direct CO2 mitigation

Definitions

  • the object of the invention is therefore to specify a device and a method in a fossil-fired power plant, low-pressure steam from a source other than the
  • the object of the invention directed to a device is solved by the features of claim 1.
  • the invention is based on a steam turbine, which has a kom despreusige middle and low pressure stage.
  • steam turbine also still includes a high-pressure stage in a separate case.
  • the live steam for the high-pressure stage after leaving the high-pressure stage, is returned to the boiler for reheating (reheating) via a vapor return line (cold reheat line).
  • a process steam line which is connected to the carbon dioxide separation device, is connected to the vapor recirculation line, wherein a counterpressure steam turbine is connected in the process steam line. Due to the back pressure steam turbine, the extracted process steam is at the process steam condition (saturated steam) brought.
  • the boiler must be designed accordingly ⁇ .
  • the extracted process steam is converted into electrical energy by a generator connected to the counterpressure steam turbine. Characterized the überschüssi ge ⁇ energy of the process steam for electric power generation is available.
  • the carbon dioxide separation process consists of an absorption unit and a desorption unit.
  • the process steam line is connected to a heat exchanger desorption unit feeding.
  • the desorption unit is connected to a condensate return line.
  • the process steam is removed from the vapor return line in the method according to the invention.
  • the process steam is thereby released in a relaxation process, whereby a relaxed steam (saturated steam) is formed.
  • the expanded vapor is then fed to the carbon dioxide separation device.
  • the relaxation process is used to generate electrical energy.
  • the expanded steam is then ⁇ preferably used in order to heat the desorption of the carbon dioxide deposition process.
  • the preparation measures for "Capture Ready" are limited by the invention to a corresponding Kesselausle ⁇ tion and a connection point outside the plant-critical machine house .
  • the steam turbine can retrofit a carbon dioxide separation device thermodynamically on the then used for the separation process. Connecting the backpressure turbine before reheating results in lower steam temperatures, which can be easily relieved by standard industrial turbines.
  • the fossil fuel-fired power plant 1 shows essentially a fossil-fired power plant ⁇ system 1 with a device connected to a carbon dioxide separating heat exchanger 21.
  • the fossil fuel-fired power plant 1 is here as a gas and steam power station
  • GUID designed.
  • the gas and steam turbine plant is ver ⁇ simplified shown and consists essentially of a gas turbine 13, a steam turbine 2, a generator 20 and a switched into the exhaust duct of the gas turbine steam generator 4, designed as a heat recovery steam generator 15th Die
  • Steam turbine 2 comprises a high pressure stage 24 and a medium- and low-pressure stage 25.
  • the gas turbine 13, the genes ⁇ rator 20 and the steam turbine 2 are located on a ge ⁇ common shaft 8.
  • the high-pressure stage 24 is connected to the steam generator 4 by supplying fresh steam via a main steam line 23 and steam-returning via a cold intermediate superheat line 16.
  • a process steam line 6 is connected to the tapping of a process steam 17.
  • the middle and low pressure stage 25 is connected to the steam generator 4 via a hot intermediate superheat conduit 31.
  • the extracted steam from the cold intermediate superheat line has a temperature of approx. 160 ° C.
  • a back-pressure steam turbine 7 is provided, which is connected to the process steam supply line 6 connected to the process steam.
  • the backpressure steam turbine 7 fin ⁇ det a relaxation of the process steam 17 to a saturated steam 26 instead.
  • the process steam 17 is thereby converted by a connected to the back pressure steam turbine 7 generator 9 into electrical energy.
  • the back pressure steam turbine 7 is connected to a heat exchanger 21 of a carbon dioxide separation device.
  • the carbon dioxide separation device is not shown here in detail.
  • the counterpressure steam turbine 7 is connected to the desorption unit 11 of the carbon dioxide separation device via a saturated steam line 28.
  • the saturated steam 26 in desorption unit 11 assists the boiling out of a solvent for the release of carbon dioxide.
  • a condensate is discharged into the condenser 22 via a condensate return line 29.
  • the condensate return line 29 is connected to the capacitor 22 accordingly.
  • a Kondensatlei ⁇ tung 30 is provided which connects the condenser 22 to the steam generator 4 to the feed water circuit to close ⁇ SEN.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Treating Waste Gases (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

L'invention concerne une centrale électrique à combustible fossile (1) comportant une turbine à vapeur (2), un générateur de vapeur (4) monté en aval de la turbine à vapeur (2) au moyen d'une conduite de recirculation de vapeur (3), et un dispositif de séparation de dioxyde de carbone (5). Selon l'invention, le dispositif de séparation de dioxyde de carbone (5) est relié à la conduite de recirculation de vapeur (3) au moyen d'une conduite de vapeur de processus (6), une turbine à vapeur à contre-pression (7) étant montée dans la conduite de vapeur de processus (6).
EP10775787A 2009-11-02 2010-10-29 Centrale électrique à combustible fossile comportant un dispositif de séparation de dioxyde de carbone et procédé pour faire fonctionner une centrale électrique à combustible fossile Withdrawn EP2496796A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009051608 2009-11-02
PCT/EP2010/066507 WO2011051468A2 (fr) 2009-11-02 2010-10-29 Centrale électrique à combustible fossile comportant un dispositif de séparation de dioxyde de carbone et procédé pour faire fonctionner une centrale électrique à combustible fossile

Publications (1)

Publication Number Publication Date
EP2496796A2 true EP2496796A2 (fr) 2012-09-12

Family

ID=43838168

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10775787A Withdrawn EP2496796A2 (fr) 2009-11-02 2010-10-29 Centrale électrique à combustible fossile comportant un dispositif de séparation de dioxyde de carbone et procédé pour faire fonctionner une centrale électrique à combustible fossile

Country Status (5)

Country Link
US (1) US8689564B2 (fr)
EP (1) EP2496796A2 (fr)
CN (1) CN102597430A (fr)
RU (1) RU2012122748A (fr)
WO (1) WO2011051468A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2722195C (fr) * 2009-11-25 2013-03-19 Hitachi, Ltd. Centrale thermique a combustion de combustible fossile comprenant une unite de separation et de capture du dioxyde de carbone
DE102010062623A1 (de) * 2010-12-08 2012-06-14 Siemens Aktiengesellschaft Verfahren zum Nachrüsten einer fossil befeuerten Kraftwerksanlage mit Heizdampfentnahme

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1473072A1 (fr) * 2003-04-30 2004-11-03 Mitsubishi Heavy Industries, Ltd. Procédé et dispositif de recupération de dioxyde de carbone
EP2305364A1 (fr) * 2009-09-29 2011-04-06 Alstom Technology Ltd Centrale électrique dotée pour capture de CO2

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4942734A (en) * 1989-03-20 1990-07-24 Kryos Energy Inc. Cogeneration of electricity and liquid carbon dioxide by combustion of methane-rich gas
JP2647582B2 (ja) * 1991-10-22 1997-08-27 三菱重工業株式会社 炭酸ガスとイナートガスを製造しながら発電する方法
NO990812L (no) 1999-02-19 2000-08-21 Norsk Hydro As Metode for Õ fjerne og gjenvinne CO2 fra eksosgass
NO321817B1 (no) 2003-11-06 2006-07-10 Sargas As Renseanlegg for varmekraftverk
US8061002B2 (en) * 2006-06-29 2011-11-22 Siemens Energy, Inc. Combined cycle power generation
US20080011161A1 (en) * 2006-07-17 2008-01-17 General Electric Company Carbon dioxide capture systems and methods
US20080011160A1 (en) * 2006-07-17 2008-01-17 General Electric Company Carbon dioxide capture systems and methods
US7827778B2 (en) * 2006-11-07 2010-11-09 General Electric Company Power plants that utilize gas turbines for power generation and processes for lowering CO2 emissions
WO2008090166A1 (fr) * 2007-01-25 2008-07-31 Shell Internationale Research Maatschappij B.V. Procédé pour obtenir une puissance de sortie constante dans une centrale électrique intégrée à une unité de capture de dioxyde de carbone
JP5317833B2 (ja) 2009-05-28 2013-10-16 株式会社東芝 蒸気タービン発電設備
JP2011047364A (ja) 2009-08-28 2011-03-10 Toshiba Corp 蒸気タービン発電設備およびその運転方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1473072A1 (fr) * 2003-04-30 2004-11-03 Mitsubishi Heavy Industries, Ltd. Procédé et dispositif de recupération de dioxyde de carbone
EP2305364A1 (fr) * 2009-09-29 2011-04-06 Alstom Technology Ltd Centrale électrique dotée pour capture de CO2

Also Published As

Publication number Publication date
WO2011051468A2 (fr) 2011-05-05
RU2012122748A (ru) 2013-12-10
CN102597430A (zh) 2012-07-18
US8689564B2 (en) 2014-04-08
US20120256421A1 (en) 2012-10-11
WO2011051468A3 (fr) 2012-03-15

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