WO2005021935A1 - Dampfkraftwerk - Google Patents
Dampfkraftwerk Download PDFInfo
- Publication number
- WO2005021935A1 WO2005021935A1 PCT/EP2004/008348 EP2004008348W WO2005021935A1 WO 2005021935 A1 WO2005021935 A1 WO 2005021935A1 EP 2004008348 W EP2004008348 W EP 2004008348W WO 2005021935 A1 WO2005021935 A1 WO 2005021935A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steam
- power plant
- combustion chamber
- turbine
- combustion
- Prior art date
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
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/005—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for the working fluid being steam, created by combustion of hydrogen with oxygen
-
- 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
- F01K21/00—Steam engine plants not otherwise provided for
- F01K21/04—Steam engine plants not otherwise provided for using mixtures of steam and gas; Plants generating or heating steam by bringing water or steam into direct contact with hot gas
-
- 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
- F01K21/00—Steam engine plants not otherwise provided for
-
- 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
-
- 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
- F01K7/06—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 of multiple-inlet-pressure type
-
- 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
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Definitions
- the invention relates to a steam power plant with at least one steam turbine and a fired steam generator.
- operating steam for a steam turbine is usually generated in a fired steam generator, the energy contained in a hot gas being released to one or more heat exchangers which are fed with water, so that operating steam can be generated by heating this water, or steam are fed so that an overheating of the steam can be achieved by means of a last-mentioned heat exchanger; such a
- overheating takes place, for example, between a high pressure stage and a medium pressure stage of the steam turbine, the steam leaving the high pressure stage being overheated by means of an intermediate superheater heating surface arranged in the steam generator and being fed to the medium pressure stage.
- Such intermediate superheating of the steam contributes, for example, to a higher efficiency of the steam turbine.
- the supply of thermal energy for generating and / or reheating steam takes place by means of heat exchanger surfaces which are arranged in the fired steam generator, for example a coal or oil-fired or biomass-fired or generally fossil or nuclear-fired steam boiler, and with one guided in the steam generator Hot gas come into contact.
- the heated heat exchanger surfaces in turn give off their thermal energy to water and / or steam, which are guided within the body formed by a heat exchanger surface.
- the heating takes place by means of a heat transfer from the hot gas to the heat exchanger. shear surface and from the heat exchanger surface to the medium to be heated.
- the energy of a hot gas is transferred to the medium to be heated by means of a material of the heat exchanger surface heated by the hot gas, the amount of energy which is transferred to the Medium to be heated, for example water and / or steam, can be transferred, limited by the material properties of the heat exchanger surface.
- the heat transfer from hot gas to the medium to be heated is delayed, essentially due to the heating-up time required for the heat exchanger surface.
- the invention is therefore based on the object of specifying a steam power plant with at least one steam turbine and a steam generator which can be used flexibly and overcomes the disadvantages mentioned in the prior art.
- a steam power plant comprising at least one steam turbine and a fired steam generator, in which a combustion chamber is arranged in the direction of the steam flow after a first turbine stage and before a second turbine stage of the steam turbine, and the steam flow in the combustion chamber by mixing with an in the hot gas that can be generated in the combustion chamber is heated.
- the invention is based on the consideration that the heat transfer from a hot gas to a medium to be heated is less restricted compared to the prior art if the energy transfer to the medium to be heated does not use a heat exchanger surface.
- this is achieved in that the steam stream to be heated is introduced directly into a combustion chamber and is mixed there directly with the hot gas.
- This internal additional firing according to the invention can be used in the steam flow direction after the steam generator and before the steam turbine, i.e. already for overheating fresh steam, or also for overheating steam, which already releases part of its energy in a turbine stage and, after overheating according to the invention, is fed to a further turbine stage becomes.
- the steam power plant can continue to be operated like a known steam power plant.
- Hydrogen and / or a hydrocarbon, in particular methane, can advantageously be supplied to the combustion chamber as fuel.
- the fuel comprises carbon and / or hydrogen.
- the main advantage of using hydrogen as a fuel is that if the hydrogen is produced from a hydrocarbon, as is often the case by reforming or gasifying, carbon dioxide is retained during the production of the hydrogen when reforming or gasifying a hydrocarbon with comparatively little energy expenditure can and so the formation of an acidic steam mixture within the steam turbine and / or other components of the steam power plant is avoided from the outset.
- the firing device can advantageously be supplied with an oxygen-containing gas, in particular pure oxygen and / or air, in order to generate a combustion atmosphere.
- an oxygen-containing gas in particular pure oxygen and / or air
- This embodiment of the invention takes into account the requirement that combustion of a fuel is only possible in a suitable combustion atmosphere.
- a particularly efficient combustion is possible by supplying pure oxygen, since compared to air this contains no further components which are more of a hindrance to the combustion and which may would have to be separated before the combustion, for example in an air separation device, in order to create a suitable combustion atmosphere.
- the resulting combustion products can be removed from the steam flow by means of a condenser connected downstream of the steam turbine.
- combustion products are created, which are mostly to be discharged, since they can accumulate in the combustion chamber or other components, especially after a long period of operation, and restrict their function.
- hydrocarbon is burned as fuel in an atmosphere of pure oxygen in a steam power plant according to the invention, at least the combustion products water and carbon dioxide are produced.
- These combustion products are carried along by the steam flow and fed to the condenser.
- a condenser is usually present anyway, so that in connection with the invention it is not absolutely necessary to provide a separate condenser suitable for removing the combustion products.
- the internal additional firing realized by means of the combustion chamber of a steam power plant according to the invention can be made available very quickly during the operation of the steam turbine. All that is required is the ignition of fuel introduced into the combustion chamber; in particular, the heating-up times of known heat exchanger surfaces are eliminated.
- a steam power plant according to the invention has the advantage that combustion products and / or exhaust gas do not necessarily have to be removed from the combustion chamber by means of a separate discharge device, since they are carried along and can be coupled out at another point in the steam cycle, for example the condenser mentioned.
- a higher steam temperature can be achieved by the invention without having to change the design of the steam generator.
- a steam power plant according to the invention can in particular also be used to provide energy during peak load times or to support the network frequency of an electrical energy supply network;
- a steam power plant according to the invention offers the possibility of rapid power control and can be used very flexibly.
- FIG an inventive steam power plant.
- a steam power plant 1 which comprises a steam turbine 3 coupled to a generator 21 and a fired steam generator 5.
- the steam turbine 3 is constructed in three stages and has a first turbine stage 11, a second turbine stage 13 and a third turbine stage 15, which are designed as a high pressure stage, medium pressure stage or low pressure stage.
- the steam generator 5 is a boiler fired by coal 27, to which combustion air 29 is fed in order to maintain the coal furnace.
- a heating surface 37 is arranged in the steam generator 5 in the region of its hot end and an intermediate superheater heating surface 35 is arranged in a region of lower temperature.
- the heating surface 37 serves to heat feed water 24 from a feed water tank 23 in the steam generator 5 in such a way that operating steam can be supplied to the first turbine stage 11.
- the steam is reheated by means of the reheater heating surface 35.
- a steam flow 17 emerges in the direction 9 from the reheater heating surface 35 and is fed to a firing device.
- the steam flow 17 is heated in a combustion chamber 19 by means of a fuel 33 and the addition of oxygen 31, the steam flow 17 in the combustion chamber 19 mixing with the hot gas which arises in the combustion chamber 19 during the combustion of the fuel 33.
- the heat transfer from the hot gas to the steam flow 17 thus takes place directly by mixing, without a material, for example a heat exchanger surface, being provided for the heat transfer.
- oxygen 31 it is also possible to use air to generate a suitable combustion atmosphere, the air possibly being split into oxygen and residual gas by means of an air separation device before being introduced into the combustion chamber.
- a hydrocarbon in particular methane, or hydrogen can be used as fuel 33.
- the steam stream 17 heated by means of the combustion chamber 19 is fed to the second turbine stage 13, where it converts at least part of the energy it contains into mechanical work.
- the steam, which has continued to relax, leaves the second Turbine stage 13 and is fed to the third turbine stage 15, where the energy still present in the steam is converted as well as possible into mechanical energy.
- the expanded steam leaves the third turbine stage 15 as a water-steam mixture and is fed to a condenser 25, where the steam portion still present is condensed to water.
- This water, which accumulates in the condenser 25, is fed as condensate 26 to the feed water tank 23.
- Combustion products 39 which arise during combustion in the combustion chamber 19, can be removed from the condenser 25.
- the combustion products 39 include water and carbon dioxide.
- This water-carbon dioxide mixture is carried along by the steam flow 17 and can be removed from the condenser 25, since when the water-carbon dioxide mixture cools, the water portion largely condenses and almost pure gaseous carbon dioxide remains as gas, which is then transported away and can be stored, for example.
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)
- Air Supply (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04763498A EP1658418A1 (de) | 2003-08-27 | 2004-07-26 | Dampfkraftwerk |
YUP-2006/0127A RS51511B (en) | 2003-08-27 | 2004-07-26 | THERMAL POWER PLANT |
US10/569,564 US20060266040A1 (en) | 2003-08-27 | 2004-07-26 | Steam power plant |
JP2006524246A JP2007503544A (ja) | 2003-08-27 | 2004-07-26 | 蒸気原動所 |
IL173778A IL173778A0 (en) | 2003-08-27 | 2006-02-16 | Steam power plant |
EGNA2006000177 EG24289A (en) | 2003-08-27 | 2006-02-20 | Steam power plant |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20313279.3 | 2003-08-27 | ||
DE20313279U DE20313279U1 (de) | 2003-08-27 | 2003-08-27 | Dampfkraftwerk |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005021935A1 true WO2005021935A1 (de) | 2005-03-10 |
Family
ID=29265806
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2004/008348 WO2005021935A1 (de) | 2003-08-27 | 2004-07-26 | Dampfkraftwerk |
Country Status (10)
Country | Link |
---|---|
US (1) | US20060266040A1 (de) |
EP (1) | EP1658418A1 (de) |
JP (1) | JP2007503544A (de) |
KR (1) | KR20060069852A (de) |
CN (1) | CN1842638A (de) |
DE (1) | DE20313279U1 (de) |
EG (1) | EG24289A (de) |
IL (1) | IL173778A0 (de) |
RS (1) | RS51511B (de) |
WO (1) | WO2005021935A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5075900B2 (ja) * | 2009-09-30 | 2012-11-21 | 株式会社日立製作所 | 水素含有燃料対応燃焼器および、その低NOx運転方法 |
DE102012012683A1 (de) * | 2012-06-27 | 2014-01-02 | RERUM COGNITIO Institut GmbH | Kombinierter Gas- und Dampfturbinenprozess mit erhöhter Leistung und verbesserter Effizienz durch zusätzliche Hochtemperatur-Zwischenüberhitzung für die Elektroenergieerzeugung im Kreisprozess |
JP6541050B2 (ja) * | 2014-04-28 | 2019-07-10 | 日本ファーネス株式会社 | 高温酸素燃焼装置及び高温酸素燃焼方法 |
CN104061028B (zh) * | 2014-06-24 | 2016-02-24 | 华北电力大学 | 氢氧与煤粉燃烧结合的二次再热联合循环发电系统及方法 |
CN115003958A (zh) * | 2020-01-29 | 2022-09-02 | 西门子能源环球有限责任两合公司 | 具有附加模块的设备 |
US11988114B2 (en) | 2022-04-21 | 2024-05-21 | Mitsubishi Power Americas, Inc. | H2 boiler for steam system |
JP2024027572A (ja) * | 2022-08-18 | 2024-03-01 | 株式会社東芝 | コンバインドサイクル発電設備 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956937A (en) * | 1994-08-25 | 1999-09-28 | Clean Energy Systems, Inc. | Reduced pollution power generation system having multiple turbines and reheater |
DE19936704A1 (de) * | 1999-08-04 | 2001-02-08 | Alexander Waberski | Hochtemperatur Kombi-System mit der nachgeschaltenen Dampfturbine |
US20030153216A1 (en) * | 2000-09-06 | 2003-08-14 | Van-Drentham-Susman Hector Filipus Alexander | Propulsion apparatus |
WO2003069132A1 (en) * | 2002-02-11 | 2003-08-21 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Integrated air separation and oxygen fired power generation system |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5038568A (en) * | 1989-11-20 | 1991-08-13 | Pyropower Corporation | System for reheat steam temperature control in circulating fluidized bed boilers |
SE502492C2 (sv) * | 1991-12-23 | 1995-10-30 | Abb Carbon Ab | Pannanläggning med gemensamt ångsystem |
EP0595009B1 (de) * | 1992-09-30 | 1996-01-10 | Siemens Aktiengesellschaft | Verfahren zum Betreiben einer Kraftwerksanlage sowie danach arbeitende Anlage |
JP3017937B2 (ja) * | 1996-06-18 | 2000-03-13 | 株式会社東芝 | 水素燃焼タービンプラント |
JP2002309908A (ja) * | 2001-04-11 | 2002-10-23 | Mitsubishi Heavy Ind Ltd | タービン設備及びタービン設備の運転方法 |
-
2003
- 2003-08-27 DE DE20313279U patent/DE20313279U1/de not_active Expired - Lifetime
-
2004
- 2004-07-26 EP EP04763498A patent/EP1658418A1/de not_active Withdrawn
- 2004-07-26 KR KR1020067003914A patent/KR20060069852A/ko not_active Application Discontinuation
- 2004-07-26 JP JP2006524246A patent/JP2007503544A/ja active Pending
- 2004-07-26 US US10/569,564 patent/US20060266040A1/en not_active Abandoned
- 2004-07-26 RS YUP-2006/0127A patent/RS51511B/en unknown
- 2004-07-26 CN CNA2004800246472A patent/CN1842638A/zh active Pending
- 2004-07-26 WO PCT/EP2004/008348 patent/WO2005021935A1/de active Application Filing
-
2006
- 2006-02-16 IL IL173778A patent/IL173778A0/en unknown
- 2006-02-20 EG EGNA2006000177 patent/EG24289A/xx active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5956937A (en) * | 1994-08-25 | 1999-09-28 | Clean Energy Systems, Inc. | Reduced pollution power generation system having multiple turbines and reheater |
DE19936704A1 (de) * | 1999-08-04 | 2001-02-08 | Alexander Waberski | Hochtemperatur Kombi-System mit der nachgeschaltenen Dampfturbine |
US20030153216A1 (en) * | 2000-09-06 | 2003-08-14 | Van-Drentham-Susman Hector Filipus Alexander | Propulsion apparatus |
WO2003069132A1 (en) * | 2002-02-11 | 2003-08-21 | L'air Liquide, Societe Anonyme A Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude | Integrated air separation and oxygen fired power generation system |
Also Published As
Publication number | Publication date |
---|---|
EP1658418A1 (de) | 2006-05-24 |
CN1842638A (zh) | 2006-10-04 |
EG24289A (en) | 2009-01-08 |
RS20060127A (en) | 2007-12-31 |
US20060266040A1 (en) | 2006-11-30 |
DE20313279U1 (de) | 2003-10-16 |
KR20060069852A (ko) | 2006-06-22 |
JP2007503544A (ja) | 2007-02-22 |
IL173778A0 (en) | 2006-07-05 |
RS51511B (en) | 2011-06-30 |
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