WO2020064419A1 - Système de turbomachine et procédé pour faire fonctionner un système de turbomachine - Google Patents

Système de turbomachine et procédé pour faire fonctionner un système de turbomachine Download PDF

Info

Publication number
WO2020064419A1
WO2020064419A1 PCT/EP2019/074814 EP2019074814W WO2020064419A1 WO 2020064419 A1 WO2020064419 A1 WO 2020064419A1 EP 2019074814 W EP2019074814 W EP 2019074814W WO 2020064419 A1 WO2020064419 A1 WO 2020064419A1
Authority
WO
WIPO (PCT)
Prior art keywords
area
heating unit
mass flow
turbine
turbomachine
Prior art date
Application number
PCT/EP2019/074814
Other languages
German (de)
English (en)
Inventor
Mario Koebe
Ralf Neuhäuser
Thorsten STRUNK
Michael Wechsung
Carsten Weiss
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to EP19778865.6A priority Critical patent/EP3810906A1/fr
Priority to CN201980063798.5A priority patent/CN112805454A/zh
Publication of WO2020064419A1 publication Critical patent/WO2020064419A1/fr

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
    • 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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
    • F01K7/34—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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of extraction or non-condensing type; Use of steam for feed-water heating
    • F01K7/40—Use of two or more feed-water heaters in series
    • 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

Definitions

  • the present invention relates to a turbomachine system, which enables improved use at part-load operation. Furthermore, the present invention relates to a turbomachine control system for controlling the turbomachine system according to the invention. In addition, the present invention relates to a method for improved use of a turbomachine system in part-load operation. Furthermore, the present invention relates to the use of a part of the mass flow to improve the operation of a flow machine system at part load.
  • Turbomachinery systems such as steam turbine systems are an important part of energy generation. They are operated individually as well as used in conjunction with, for example, a gas turbine to increase the efficiency of power generation in power plants.
  • a gas turbine to increase the efficiency of power generation in power plants.
  • renewable electricity generators feed fluctuating energy outputs into the grid. This requires the remaining power generators to compensate for corresponding fluctuations in the network.
  • corresponding energy generators such as turbomachinery systems mostly ran permanently under full load, nowadays they sometimes have to be operated outside of their optimal load and in particular frequently at part load in order to quickly compensate for a significant drop in the regeneratively fed power in the power grid as a reserve.
  • the present invention relates to a turbomachine system comprising a turbine, a blade area as part of the turbine, an initial area of the blade area, a heating unit, an area in front of the heating unit and a mass flow through the heating unit and the turbine, the turbo machine system being suitable
  • the starting area of the blade area empire extends over the first 44%, more preferably the first 39%, even more preferably the first 37%, of the shovel empire, based on the direction of flow of the mass flow and the distance between the beginning of the first row of blades and the end of the last row of blades.
  • the part of the mass flow is taken from the area behind the heating unit and before the end of the overload introduction area. Surprisingly, it was found that a particularly significant improvement can be achieved when the part of the mass flow is withdrawn in the aforementioned range. At the same time, for example, the effort involved in retrofitting is relatively low, which enables simple adaptation of existing systems.
  • preheater in the sense of the present invention refers to a device which increases the temperature of the mass flow in front of the heating unit. This enables, for example, higher temperatures of the mass flow in the heating unit to be reached Heating or, for example, by an external heat source in addition to a decoupled mass flow from the fluid flow.For example, this also enables the turbomachine system to achieve greater efficiency if the mass flow emerging from the turbine is used for heating in the preheater This enables particularly efficient operation of the turbomachine system.
  • the present invention relates to a turbomachine system comprising a turbine, a Field area in the area of the turbine, an overload introduction area as part of the turbine, a heating unit, an area in front of the heating unit, and a mass flow through the heating unit and the turbine, the turbomachine system being suitable, part of the mass flow behind the heating unit and before the end of the overload introduction area and lead to the heating unit and / or to the area in front of the heating unit.
  • the present invention relates to a turbomachine system control for turbomachine system control for controlling a turbomachine system according to the invention, the turbomachine system control being suitable at a predefined limit value, part of the mass flow from the area between the heating unit and the end of the initial area of the blade area of the turbine to the heating unit and / or redirect to the area in front of the heating unit.
  • the present invention relates to a turbomachine control system for controlling a turbomachine system according to the invention, the turbomachine control system being suitable at a predefined limit value, a part of the mass flow from the area between the heating unit and the end of the overload introduction area of the turbine to the heating unit and / or to the area redirect in front of the heating unit.
  • the present invention relates to a method for providing operation of a turbomachine system which is optimized for partial load, the turbomachine system comprising a turbine, a blade area as part of the turbine, an initial area of the turbines, a heating unit, an area in front of the heating unit, to include, for example, at least one preheater, and one Mass flow through the heating unit and the turbine has, wherein a connection between the area behind the heating unit and before the end of the starting area of the turbine and the heating unit and / or the area in front of the heating unit is provided or repaired, the connection being suitable at partial load to conduct a part of the mass flow from the area behind the heating unit and before the end of the initial area of the blade area of the turbine into the heating unit and / or the area in front of the heating unit, the initial area of the blade area being over the first 44%, more preferably the The first 39%, still more preferably the first 37%, of the blade area extends in relation to the direction of flow of the mass flow and the distance between
  • the phrase “completely guided through the turbine” means that the mass flow intended by the heating unit for the respective turbine flows completely through the turbine. This does not include, in particular, unplanned losses, for example as a result of leakages, which means that a small loss of the mass flow can occur and the total amount of mass flow directed from the heating unit to the turbine is reduced. - If several heating units are connected in parallel to provide the required mass flow, this naturally occurs on the entire resulting mass flow of the heating units. If several turbines are connected to a heating unit, then the corresponding mass flow of the respective turbine is the part of the mass flow resulting from the heating unit for the respective turbine. The combination of several heating units with several turbines is the same.
  • the present invention relates to a method for operating a flow machine system according to the invention, the flow machine system having an overload introduction area as part of the turbine, the method having at least two operating modes, the mass flow from the boiler being completely through the in a first operating mode Turbine is directed, in a second operating mode, a part of the mass flow after the heating unit and before the end of the overload range to the heating unit and / or to the area in front of the heating unit, preferably to the area in front of the heating unit, is passed.
  • the overload introduction area is preferably located in the initial area of the blade area of the turbine.
  • the present invention relates to a method for providing or repairing a turbomachine system according to the invention, a connection between the area behind the heating unit and before the end of the overload introduction area and the heating unit and / or the area in front of the heating unit, preferably to the area in front of the heating unit is provided, the connection being suitable at partial load, part of the mass flow from the overload introduction area into the heating unit and / or the area in front of the heating unit, preferably to the area in front of the heating unit, more preferably in at least one Preheater to conduct.
  • the present invention relates to the use of a part of the mass flow behind the Heating unit of a turbomachine system according to the invention for increasing the inlet temperature in the heating unit, where the part of the mass flow from the area between the heating unit and the end of the initial region of the blade area of the turbine is removed.
  • Figure 1 shows a schematic drawing of a turbomachine system according to a first variant of the present invention, wherein the turbomachine system is not operated in partial load.
  • FIG 2 shows a schematic drawing of a turbomachine system according to the variant of the present invention shown in Figure one, wherein the turbomachine system is operated at partial load.
  • Figure 3 shows a schematic drawing of a flow machine system according to a second variant of the present invention, the flow machine system being operated in partial load.
  • Figure 4 shows a schematic drawing of a turbomachine system according to a third variant of the present invention, the turbomachine system being operated at part load.
  • the present invention allows existing turbomachinery to be operated even at very low partial loads, for example the emission values can be drastically reduced. Only minor adjustments are against existing turbomachinery systems, which can be done not only with low costs, but also with very short changeover times. This not only enables the existing turbomachinery to continue to operate in an economically viable manner, but also represents a significant step in order to enable the desired, growing share of renewable energies in the electricity industry.
  • Corresponding flow machine systems are selected, for example, from flow systems based on a water-steam fluid stream, a fluid stream based on organic liquids or a fluid stream based on carbon dioxide.
  • Fluid streams based on organic liquids are known, for example, as organic ranking cycle systems.
  • a carbon dioxide-based fluid stream preferably uses carbon dioxide in the supercritical state, whereby very high temperatures and pressures are used.
  • the turbomachine system is a steam turbine machine system. Particularly strong improvements, particularly with regard to emissions, were observed.
  • the heating unit is a steam generator.
  • the present invention surprisingly allows operation of the turbomachine, in particular steam turbine plants, under operating conditions which would otherwise be below the minimum operating point for providing stable operating conditions such as evaporation conditions.
  • excellent results are achieved, for example in terms of efficiency, despite the slight changes in relation to known systems.
  • the turbomachine system is suitable for directing part of the mass flow from the overload introduction area to the heating unit and / or to the area in front of the heating unit.
  • the improved operation can be achieved with a lower partial load, while at the same time a higher efficiency can be achieved than with the removal of the part of the mass flow upstream of the overload introduction area.
  • This location also proved to be particularly easy to retrofit, since the overload introduction area is typically characterized by a gap between the blades in the blading area. Even smaller blades, for example, should be used in the overload introduction area in order to enable a better introduction in the event of overload operation, so a tapping according to the invention for the derivation of the part of the mass flow also benefits here.
  • the turbomachine system is suitable for supplying part of the mass flow from the area between the heating unit and the turbine and for directing it to the heating unit and / or to the area in front of the heating unit.
  • the turbomachine system is typically only a low degree of efficiency can be achieved with this, this permits the particularly simple retrofitting of a corresponding turbomachine system.
  • the turbomachine system has an overload introduction. Even if, for example, additionally or alternatively, the derivation of the part of the mass flow from the intermediate area between
  • Heating unit or turbine takes place, such an overload initiation allows, for example, a later quick adjustment to later requirements or fine-tuning, whereby the existing overload initiation can be used.
  • the turbomachine system has an overload introduction in the overload introduction area, the flow machine system being suitable for routing a part of the mass flow through the overload introduction from the overload introduction area to the heating unit and / or to the area in front of the heating unit.
  • the flow machine system being suitable for routing a part of the mass flow through the overload introduction from the overload introduction area to the heating unit and / or to the area in front of the heating unit.
  • at least 60% by weight, more preferably at least 80% by weight, even more preferably at least 95% by weight, of the part of the conduit directed according to the invention to the heating unit and / or to the area in front of the heating unit Mass flow is led through the overload initiation.
  • the complete part of the mass flow which is led to the heating unit and / or the area in front of the heating unit is passed through the overload introduction.
  • the turbomachine system has at least one preheater upstream of the heating unit, the part of the mass flow being introduced into the at least one preheater and / or between the at least one preheater and the heating unit, preferably into the at least one preheater. It was surprisingly found that the supply line can be retrofitted particularly easily at these points. For example, it can be particularly preferred that the part of the mass flow is conducted into the same preheater into which mass flow can also be introduced, which originates from a part of the turbine which is further back and / or an area behind the turbine.
  • the mass flow emerging from the turbine can be used behind the turbine area under normal conditions for heating the pre-heater.
  • mass flow from the initial area of the turbine is additionally or alternatively introduced into the identical preheater.
  • existing system components can be used for typical applications, as a result of which the system according to the invention can be provided quickly, inexpensively and reliably.
  • the turbomachine system has at least one preheater upstream of the heating unit, the part of the mass flow being at least partially, more preferably at least 50% by weight, even more preferably at least 80% by weight, even more preferably completely , into which at least one preheater is led.
  • This mass flow is preferably conducted to the last preheater before the heating unit. Should the fluid machine system only have one preheater in front of the heating unit, this is the last preheater.
  • the present invention relates to a fluid flow machine control system as explained above.
  • the predefined limit value represents a lower limit in relation to the power. It was observed, for example, that good control of the system could be achieved with this, since this represents a typically recorded and well-controlled variable in flow machine systems. At the same time, other parameters such as emissions can be predicted from this with typically sufficient accuracy.
  • the predefined limit value represents an upper limit of an emission.
  • optimization and improvement of the emission values can be achieved with the present invention, especially at lower power levels of the flow machine system.
  • the present invention has proven to be particularly advantageous to carry out a direct coupling of the control with an emission measurement.
  • the present invention has proven to be advantageous for the control and regulation of the NOx emissions.
  • a NOx limit value can thus be used.
  • the present invention relates to a method for operating a turbomachine system as set out above.
  • the first operating mode it is preferred that in the first operating mode no part of the mass flow is introduced directly into the overload initiation area of the turbine. This is preferred, for example, if the first operating mode is an operating mode optimized for the respective turbomachine system, which is designed for optimum efficiency in view of the respective turbomachine system. This is typically the most efficient mode of operation.
  • the turbomachine system has an overload introduction and the method has a third operating mode, wherein in the third operating mode a part of the mass flow from the heating unit is passed into the turbine via the overload introduction.
  • This is typically preferred if the turbomachine system is to be operated beyond the optimized range under increased load. In this way, for example, an increased energy requirement can be compensated for in the short term.
  • the part of the mass flow is led at least partially from the overload introduction area to the heating unit and / or to the area in front of the heating unit, preferably to the area in front of the heating unit. This typically allows a higher efficiency of the turbomachine to be achieved even at low partial loads.
  • the flow machine system has an overload introduction, the part of the mass flow being at least partially, preferably at least 50% by weight, more preferably at least
  • the overload initiation is directed to the heating unit and / or to the area in front of the heating unit.
  • the second operating mode represents a partial load operation of the turbomachine system.
  • Particularly good results were achieved here using the method according to the invention.
  • particularly good emission values such as, for example, NOx emissions were achieved despite the difficult conditions.
  • the partial load operation is in the range from 15% to 50%, more preferably in the range from 18% to 38%, even more preferably in the range from 20% to 33%, of the optimal load of the turbomachine system.
  • excellent emission values could be achieved even in these areas by means of the method according to the invention.
  • the improvement in the combination of optimized performance and emission was particularly pronounced in the aforementioned more preferred embodiments.
  • a connection between the area behind the heating unit and before the end of the overload introduction area and the heating unit and / or the area in front of the heating unit preferably between the area behind the heating unit and before the end of the overload introduction area and the area is provided in front of the heating unit, the connection being suitable at part load to direct part of the mass flow from the overload introduction area into the heating unit and / or the area in front of the heating unit.
  • the flow machine system has at least one preheater in the area in front of the heating unit, the part of the mass flow being partially, preferably at least 50% by weight, more preferably at least 80% by weight, more preferably completely dig, to which at least one preheater is routed.
  • the present invention relates to a use as set out above.
  • the present invention relates to a use according to the invention, the flow machine system having an overload introduction area and the part of the mass flow being removed from the area between the heating unit and the end of the overload introduction area.
  • the part of the mass flow is removed from the overload introduction area, and the part of the mass flow is led through the overload introduction to the area in front of the heating unit.
  • the flow machine system has at least one preheater and the part of the mass flow is at least partially, preferably at least 50% by weight, more preferably at least
  • FIG. 1 shows a schematic drawing of a turbomachine system according to a first variant of the present invention, wherein the turbomachine system is not operated in partial load.
  • the turbomachine system is a steam turbine system.
  • the heating unit is a steam generator.
  • the steam turbine system knows a turbine, an overload initiation area as part of the turbine Heating unit, an overload introduction, several preheaters 5 in the area in front of the heating unit 1 and a mass flow through the heating unit 1 and the turbine 2.
  • the introduction of the mass flow into the turbine 2 takes place via the mass flow introduction 7.
  • the variant shown in FIG. 1 also has a connection 6 between the turbine outlet and preheater, so that the lower-quality mass flow obtained here for the preheater, for example when not operating at partial load 5 to be able to use.
  • the steam turbine system is also suitable for leading a part of the mass flow out of the turbine 2 via the overload introduction 3 in the overload introduction area.
  • This part of the mass flow is passed completely via the connection 4 between the overload introduction 3 and the preheater 5 to the last preheater 5.
  • This part of the mass flow is used to increase the inlet temperature in the heating unit, since the higher-quality steam from the transfer area of the turbine 2 is fed into the preheater 5, and thereby a higher-quality mass flow can be supplied to the heating unit 1.
  • the operating conditions of the heating unit can be optimized, in particular to drastically improve the emission values in part-load operation.
  • the steam turbine system is controlled by means of a steam turbine system which, at a predefined limit value, conducts part of the mass flow via the overload introduction 3 from the turbine 2 to the last preheater 5.
  • the load of the steam turbine system serves as the limit value. If, for example, the load falls below 45% as a result of the operation, part of the mass flow can be routed automatically to the preheater 5.
  • the amount of the mass flow withdrawn can be adapted to the respective load of the steam turbine system based on previous calculations or measured values.
  • regulation can alternatively and / or additionally take place based on the emission values.
  • emission values are preferably continuously Certainly during the operation of the steam turbine plant.
  • the emission values preferably comprise the NOx value. As soon as the corresponding emission values rise above a predefined numerical value when the load of the steam turbine system is reduced, the steam turbine system can automatically divert part of the mass flow in order to adapt the process conditions and reduce the emission values.
  • the state shown in this figure represents the third operating mode of the at least two operating modes, the mass flow from the heating unit 1 via the mass flow introduction 7 of the turbine 2 and the overload introduction 3 into the turbine 2.
  • the valve of the overload introduction 3 would be closed, so that the mass flow only via the mass flow introduction 7 of the turbine 2 into the turbine 2 would be headed.
  • FIG 2 shows a schematic drawing of a steam turbine system according to the variant of the present invention shown in Figure one, the steam turbine system being operated at partial load. This represents the second operating mode of the method according to the invention.
  • part of the mass flow is tion range of the steam turbine system via the overload line 3 and the connection 4 between the overload line 3 and preheater 5 to the preheater 5.
  • the higher-quality steam from the overload introduction area is used to generate a higher-quality mass flow in the last preheater 5, which in turn is fed into the heating unit 1.
  • Figure 3 shows a schematic drawing of a steam turbine system according to a second variant of the present invention, the steam turbine system being operated at partial load.
  • a construction of the steam turbine system is similar to that in the first variant.
  • the steam turbine system here has a turbine 2 ', an overload introduction area as part of the turbine 2', a heating unit, several preheaters 5 'in the loading area in front of the heating unit 1' and a mass flow through the heating unit 1 'and the turbine.
  • the mass flow is introduced into the turbines via a mass flow introduction 7 '.
  • the steam turbine system is suitable for deriving part of the mass flow from the area between the heating unit 1 'and the turbine.
  • This part of the mass flow is completely via the connection 8 ', which connects the intermediate area of the heating unit 1' and the turbine and the warmer 5 'connects, directed.
  • This part of the mass flow is used to increase the inlet temperature in the heating unit, since the higher-quality steam is fed from the transfer area of the turbine into the preheater 5 ', and as a result a higher-quality mass flow can be supplied to the heating unit 1'.
  • Figure 4 shows a schematic drawing of a steam turbine system according to a third variant of the present invention, the steam turbine system being operated at partial load.
  • the steam turbine system here knows a turbine 2 '', an overload introduction area as part of the turbine 2 '', a heating unit 1 '', several preheaters in the area in front of the heating unit 1 '' and a mass flow through the heating unit 1 '' and the turbine 2 '' on.
  • the mass flow is introduced into the turbine via a mass flow line 7 ′′.
  • a connection 6 ′′ between the turbine outlet and the preheater 5 ′′ is also present here.
  • the steam turbine system is suitable for extracting the part of the mass flow from the turbine 2 ′′.
  • this part of the mass flow is not extracted via an overload introduction 3 ′′, but via an additional extraction point, which is present after approx. 30% of the blade area.
  • the removed part of the mass flow is partially or completely passed through the connec tion 9 ′′, which connects the overload introduction area of the turbine 2 ′′ and the preheater to one another.
  • this part of the mass flow is used to increase the inlet temperature in the heating unit 1 '', since the higher-value steam from the transfer area of the turbine 2 '' is fed into the preheater and thereby a higher-value mass flow is supplied to the heating unit 1 '' can.
  • the present invention has been described in more detail with reference to exemplary embodiments for purposes of illustration. However, the inven tion is not intended to be limited to the specific configuration of these exemplary embodiments. Rather, the

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Turbines (AREA)

Abstract

L'invention concerne un système de turbomachine modifié et une commande de système de turbomachine. La présente invention concerne également un procédé pour faire fonctionner un système de turbomachine de façon optimisée. La présente invention concerne en outre une utilisation du débit massique pour optimiser le fonctionnement d'un système de turbomachine.
PCT/EP2019/074814 2018-09-27 2019-09-17 Système de turbomachine et procédé pour faire fonctionner un système de turbomachine WO2020064419A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP19778865.6A EP3810906A1 (fr) 2018-09-27 2019-09-17 Système de turbomachine et procédé pour faire fonctionner un système de turbomachine
CN201980063798.5A CN112805454A (zh) 2018-09-27 2019-09-17 流体机械设备和用于运行流体机械设备的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018216566 2018-09-27
DE102018216566.1 2018-09-27

Publications (1)

Publication Number Publication Date
WO2020064419A1 true WO2020064419A1 (fr) 2020-04-02

Family

ID=68072329

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/074814 WO2020064419A1 (fr) 2018-09-27 2019-09-17 Système de turbomachine et procédé pour faire fonctionner un système de turbomachine

Country Status (3)

Country Link
EP (1) EP3810906A1 (fr)
CN (1) CN112805454A (fr)
WO (1) WO2020064419A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638779A (zh) * 2021-07-05 2021-11-12 西安热工研究院有限公司 一种联合循环调峰调频的直接空冷机组及其运行方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164848A (en) * 1976-12-21 1979-08-21 Paul Viktor Gilli Method and apparatus for peak-load coverage and stop-gap reserve in steam power plants
DE102011078193A1 (de) * 2011-06-28 2013-01-03 Siemens Aktiengesellschaft Zusätzliche Regelanzapfung für einen Vorwärmer zur Verbesserung der Anlagendynamik und Frequenzregelung bei einem Dampfkraftwerk
EP2546476A1 (fr) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Installation de turbines à vapeur et procédé pour opérer l'installation de turbines à vapeur

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT247375B (de) * 1963-12-03 1966-06-10 Simmering Graz Pauker Ag Kondensations-Dampfturbinenanlage mit gesteuertem Sekundär-Kreislauf
CH495498A (de) * 1968-08-28 1970-08-31 Sulzer Ag Dampfkraftanlage mit aufgeladenem Dampferzeuger
CN203756252U (zh) * 2014-03-20 2014-08-06 王振宇 超超临界机组汽轮机回热系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164848A (en) * 1976-12-21 1979-08-21 Paul Viktor Gilli Method and apparatus for peak-load coverage and stop-gap reserve in steam power plants
DE102011078193A1 (de) * 2011-06-28 2013-01-03 Siemens Aktiengesellschaft Zusätzliche Regelanzapfung für einen Vorwärmer zur Verbesserung der Anlagendynamik und Frequenzregelung bei einem Dampfkraftwerk
EP2546476A1 (fr) * 2011-07-14 2013-01-16 Siemens Aktiengesellschaft Installation de turbines à vapeur et procédé pour opérer l'installation de turbines à vapeur

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113638779A (zh) * 2021-07-05 2021-11-12 西安热工研究院有限公司 一种联合循环调峰调频的直接空冷机组及其运行方法
CN113638779B (zh) * 2021-07-05 2024-03-12 西安热工研究院有限公司 一种增设联合循环调峰调频的直接空冷机组及其运行方法

Also Published As

Publication number Publication date
EP3810906A1 (fr) 2021-04-28
CN112805454A (zh) 2021-05-14

Similar Documents

Publication Publication Date Title
DE10041413B4 (de) Verfahren zum Betrieb einer Kraftwerksanlage
DE60126721T2 (de) Kombiniertes Kreislaufsystem mit Gasturbine
DE2934340C2 (de) Verfahren zum Abschalten und Wiederanfahren einer kombinierten Gas - Dampfkraftanlage
EP2603672B1 (fr) Générateur de vapeur à récupération de chaleur
EP1407120B1 (fr) Procede pour faire fonctionner un bruleur d'une turbine a gaz et centrale pour la mise en oeuvre dudit procede
EP1288761B1 (fr) Procédé de régulation d'un système de bipasse basse pression
EP0591163B1 (fr) Installation combinee a turbines a gaz et a vapeur
EP2255076B1 (fr) Procédé de régulation d'un générateur de vapeur et circuit de régulation pour générateur de vapeur
DE112016003348B4 (de) Wasserversorgungssystem, wasserversorgungsverfahren, und dampf erzeugende anlage, die mit wasserversorgungssystem bereitgestellt wird
EP2212618B1 (fr) Procédé de fonctionnement d'un générateur de vapeurà passage unique, ainsi que générateur de vapeur à passage unique
DE102018123663A1 (de) Brennstoffvorwärmsystem für eine Verbrennungsgasturbine
EP2907980A1 (fr) Procédé de fonctionnement d'une installation de turbine à gaz et à vapeur pour le support de fréquence
EP1377730B1 (fr) Centrale thermique a vapeur avec complement d'equipement et procede de post-equipement d'une centrale thermique a vapeur
EP1957759A2 (fr) Procede pour faire demarrer une installation de turbine a vapeur
EP3810906A1 (fr) Système de turbomachine et procédé pour faire fonctionner un système de turbomachine
DE60115753T2 (de) Dampfkühlung für eine Turbine
WO2006024597A1 (fr) Turbine a vapeur
EP2556218B1 (fr) Procédé de raccordement rapide d'un générateur de vapeur
WO2012055703A1 (fr) Système de turbine à vapeur à alimentation en vapeur variable
EP2567151B1 (fr) Procédé de fonctionnement d'un générateur de vapeur
DE102010043683A1 (de) Fossil befeuerter Dampferzeuger
DE3808006C2 (fr)
DE2427923A1 (de) Steuereinrichtung fuer eine dampfturbinenanordnung mit umgehungsleitung
DE102009004173B4 (de) Dampfturbine und Verfahren zum Betrieb einer Dampfturbine
EP3280884A1 (fr) Procédé de refroidissement d'une turbine à vapeur

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19778865

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2019778865

Country of ref document: EP

Effective date: 20210122

NENP Non-entry into the national phase

Ref country code: DE