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WO2018050402A1 - Installation et procédé comprenant une centrale thermique et un compresseur de traitement - Google Patents

Installation et procédé comprenant une centrale thermique et un compresseur de traitement Download PDF

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Publication number
WO2018050402A1
WO2018050402A1 PCT/EP2017/071097 EP2017071097W WO2018050402A1 WO 2018050402 A1 WO2018050402 A1 WO 2018050402A1 EP 2017071097 W EP2017071097 W EP 2017071097W WO 2018050402 A1 WO2018050402 A1 WO 2018050402A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
fluid
compressor
process fluid
msc
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.)
Ceased
Application number
PCT/EP2017/071097
Other languages
German (de)
English (en)
Inventor
Marcel HUSMANN
Arne Herbert LIENAU
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
Siemens Corp
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
Priority to CN201780057566.XA priority Critical patent/CN109790760B/zh
Priority to RU2019110497A priority patent/RU2700115C1/ru
Priority to EP17761043.3A priority patent/EP3516178B1/fr
Publication of WO2018050402A1 publication Critical patent/WO2018050402A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating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
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/58—Cooling; Heating; Diminishing heat transfer
    • F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
    • F04D29/5826—Cooling at least part of the working fluid in a heat exchanger

Definitions

  • the invention relates to a system with a thermal power plant and a single-stage or multi-stage process compressor, the thermal power plant comprising:
  • a first process fluid circulates in the fluid-conductively connected elements pump, boiler, turbine, condenser, wherein the process compressor has a plurality of stages ⁇ in which a second process fluid is compressed, where provided ⁇ at least one cooling downstream of a process stage or between two process stages is, by means of which the second process fluid at least a first heat flow is withdrawn, wherein the process compressor has a drive shaft, wherein the output shaft is mechanically coupled to the on ⁇ drive shaft, so that the turbine drives the process ⁇ compressor.
  • the invention relates to a method for operating a system of the type defined above.
  • WO 2010/142574 arrangements are already known in which turbomachinery, including steam turbines, are used as a drive for compressors or compressor units or multi-stage compressor. In all of these arrangement designs, the efficiency of the entire arrangement is always of great importance.
  • the compression of a process fluid, such as the compression of air, natural gas or carbon dioxide is always lossy in the real process, with the minimization of these losses are the focus of efforts to increase the efficiency.
  • the invention has set itself the task of improving an arrangement of the type defined in the efficiency.
  • the decisive advantage of the invention over the conventional arrangements or methods for operating arrangements that provide the drive of a multi-stage process compressor by means of a thermal power plant is that the waste heat from the compression process of the thermal power plant is supplied as useful heat and accordingly for Be ⁇ the heat energy plant required energy can be reduced.
  • the direct mechanical coupling of the thermal power ⁇ system for transferring technical work on the compressor with the additional thermodynamic connection between the invention, intercoolers or the aftercooler of the compressor on the one hand and the preheaters before the boiler of the thermal power plant on the other hand the additional advantage that the compressor Increasing cruanforde ⁇ tion also generates increased waste heat in cooling, which there ⁇ also leads to an increased potential useful heat for the operation of the driving thermal power plant.
  • the process compressor according to the invention is generally an arbitrary single-stage or multi-stage compressor with corresponding cooling between the individual compression stages or an aftercooler.
  • the compacting stages can be understood to mean individual impellers or else several impellers arranged directly one behind the other.
  • the compressor may in principle be a radial compressor or an axial compressor or a mixed arrangement. act of radial compressor stages and axial compressor stages.
  • Particularly preferred is the embodiment of the multistage compressor ⁇ -stage transmission as compressor in which a central gear drives a plurality of compressor drive pinion shafts carrying the impellers of the compressor stages.
  • At a gearbox here is usually a plurality of Verêtrstu ⁇ fen, preferably provided radial compressor stages, preferably there also mechanically fastened or supported.
  • the thermal power plant is a cycle process known as the Clausius-Rankine cycle. Usually this is a so-called steam turbine as a turbine and the process fluid is usually water or water vapor. Alternatively, another, in particular an organic flues ⁇ stechnik can be used instead of water, so that the operating temperature ⁇ turfeld the process changes due to the changed process fluid.
  • Cooling of the process compressor and at least one preheater of the thermal power plant is preferably accompanied by a combination of this cooling with the preheater.
  • the combination has the particular advantage that no further process fluid must be used to transfer the heat energy between the preheater and the cooling.
  • To be compressed second process fluid may be transmitted directly as the waste heat ⁇ useful heat to the first process fluid in the cooling system, which is combined with the heater of the thermal power plant.
  • the first process fluid is particularly well suited for absorbing the waste heat from the second process fluid in the cooling or the preheater.
  • the invention also finds advantageous application in a thermal power plant which already has several preheaters operated with taps of the turbine for the first process fluid or, in the case of the steam-driven turbine, the feedstock. Provides water for the boiler.
  • the Anzapfmenge of the first process fluid from the turbine can be reduced expedient ⁇ SSIG, because part of the preheating already been made with the waste heat from the cooling of the process compressor. Demenfeldend the turbine generates a higher technical
  • the system has a cooling line with a guided from the cooling line cooling fluid, wherein the cooling line is connected to at least one cooling of the process compressor. In this way can mitels the cooling part of the
  • This cooling fluid supply can be combined with the cooling fluid supply of the thermal power plant, which has a not inconsiderable cooling fluid consumption in the condenser, so that the corresponding supply of cooling fluid for cooling the process compressor can be connected there.
  • a control unit vorgese ⁇ hen which is associated with regulatory issues in the cooling fluid lines and in particular in the exchange lines between the heat engine and the process compressor.
  • ⁇ SSIG if the individual system components are not necessarily in terms of the cooling or preheating dependent on each other, but also function largely independently of one another.
  • Figures 1, 2 each show a schematic flow diagram of an inventive arrangement or a method according to the invention.
  • Figures 1, 2 each show schematically illustrated
  • a plant according to the invention A comprises a dressedkraftanla ⁇ ge WKA and a multi-stage process compressor MSC.
  • the thermal power plant WKA in turn comprises a pump PMP, a boiler BOI, a turbine TRB with an output shaft SD1 and a capacitor CND.
  • the turbine can advantageously also have two output ends - that is, a double output - have.
  • the boiler BOI is operated either with the waste heat from a process or walls ⁇ ren fired by a fossil fuels gers. This energy supply is designated FUL.
  • the boiler BOI vaporizes and overheats the first process fluid PF1, which circulates in the elements of the thermal power plant WKA connected to one another in a fluid-conducting manner.
  • the turbine ⁇ TRB is preferably a steam turbine and the first process fluid PF1 is preferably water or water vapor.
  • the superheated steam exiting boiler BOI is expanded in turbine TRB and then enters condenser CND, where the expanded steam is condensed to liquid and subsequently transported to the boiler pressure by pump PMP.
  • the capacitor CND is supplied by means of egg ⁇ ner cooling line COL with cooling fluid CLF.
  • han ⁇ delt it is preferably water that either taken from a natural heat sink and heated go there is returned or water which is taken from an at least partially artificial heat sink or supplied.
  • the process compressor MSC has one or more stages ST1, STn, in which a second process fluid PF2 compresses becomes.
  • a second process fluid PF2 compresses becomes.
  • three Stu ⁇ fen ST1, ST2, ST3 are provided.
  • the process compressor also has a plurality of cooling IC1, ICn or intermediate cooling or an aftercooler, wherein in the specific example, a first cooling IC1, a second cooling IC2 and a third cooling IC3 are provided.
  • the third cooling IC3 is also a "cooling", even if no further condensing stage ST1, In this case, waste heat from the compression process is removed by means of the cooling
  • the coolings IC1, ICn have connections to the cooling line COL in order to be supplied with cooling fluid CLF by the same COL for supplying the cooling IC1, ICn provided with cooling fluid CLF, as for the capacitor CND.
  • the process compressor MSC has a drive shaft SD2, which is coupled by means of a clutch CPL to an output shaft SD1 of the turbine TRB of the heat power plant WKA.
  • a clutch CPL can also be provided a transmission which causes a translation or reduction of the turbine speed to the process compressor MSC.
  • the thermal power plant WKA has in the flow of the first process fluid PF1 between the pump PMP and the boiler BOI a preheater PH1, PHn (see in particular FIG. 2) by means of which a preheating flow PRF is respectively supplied to the process fluid.
  • the turbine TRB has a first tap TB1 and a second tap TB2.
  • the two taps TB1, TB2 supply a third preheater PH3 or a second preheater PH2 corresponding amounts of heat, which have a higher inlet temperature in the boiler BOI of the first process fluid PF1 result.
  • the disadvantage here is that not all of the turbine TRB supplied first process fluid PF1 provides until the exit from the turbine TRB for the generation of ⁇ technical work.
  • the exchange line FCC already described is provided behind the pump PMP in the circuit of the first process fluid PF1, by means of which waste heat from the process compressor is supplied as useful heat to the thermal power plant WKA.
  • the systems A of Figures 1, 2, a control unit CON.
  • At least the triedlei ⁇ tung FCC or the cooling line COL are further equipped with control devices CV1, CV4, which are in communication with the integrated loop control settings CON.
  • the control elements CV1, CV4 adjusted.

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

L'invention concerne une installation (A) comprenant une centrale thermique (WKA) et un compresseur de traitement (MSC) à plusieurs étages, la centrale thermique (WKA) comportant : - une pompe (PMP), - une chaudière (BOI), - une turbine (TRB) dotée d'une arbre de sortie (SD1) ou d'une double sortie, - un condenseur (CND), un premier fluide de traitement (PF1) circulant dans la centrale thermique (WKA), le compresseur de traitement (MSC) comprenant au moins un étage (ST1,..., STn) dans lequel un deuxième fluide de traitement (PF2) est comprimé, et comprend au moins un refroidissement (IC1,..., ICn) en aval d'un étage de traitement (ST1,..., STn), au moyen duquel au moins un premier flux de chaleur perdue (QF1,..., QFn) est prélevé du deuxième fluide de traitement, un arbre de sortie (SD1) du compresseur de traitement (MSC) étant accouplé mécaniquement à l'arbre d'entraînement (SD2), de telle sorte que la turbine (TRB) entraîne le compresseur de traitement (MSC). Selon l'invention, la centrale thermique (WKA) comprend au moins un préchauffeur (PH1,..., PHn) dans le flux du premier fluide de traitement (PF1) entre la pompe (PMP) et la chaudière (BOI), préchauffeur au moyen duquel un flux de préchauffage (PRF) est introduit dans le premier fluide de traitement (PF1), au moins un refroidissement (IC1,..., ICn) étant relié à la centrale thermique (WKA) au moyen d'au moins une conduite d'échange (FCC), de telle sorte qu'au moins une partie du flux de chaleur perdue (QF1) soit introduite dans le premier fluide de traitement (PF1) entre la pompe (PMP) et la chaudière (BOI) en tant que flux de préchauffage (PRF).
PCT/EP2017/071097 2016-09-19 2017-08-22 Installation et procédé comprenant une centrale thermique et un compresseur de traitement Ceased WO2018050402A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780057566.XA CN109790760B (zh) 2016-09-19 2017-08-22 具有热电厂和工艺压缩机的设施和方法
RU2019110497A RU2700115C1 (ru) 2016-09-19 2017-08-22 Агрегат и способ с теплосиловой установкой и технологическим компрессором
EP17761043.3A EP3516178B1 (fr) 2016-09-19 2017-08-22 Installation et procédé comprenant une centrale thermique et un compresseur de traitement

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016217886.5A DE102016217886A1 (de) 2016-09-19 2016-09-19 Anlage und Verfahren mit einer Wärmekraftanlage und einem Prozessverdichter
DE102016217886.5 2016-09-19

Publications (1)

Publication Number Publication Date
WO2018050402A1 true WO2018050402A1 (fr) 2018-03-22

Family

ID=59745892

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/071097 Ceased WO2018050402A1 (fr) 2016-09-19 2017-08-22 Installation et procédé comprenant une centrale thermique et un compresseur de traitement

Country Status (5)

Country Link
EP (1) EP3516178B1 (fr)
CN (1) CN109790760B (fr)
DE (1) DE102016217886A1 (fr)
RU (1) RU2700115C1 (fr)
WO (1) WO2018050402A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ307962B6 (cs) * 2017-03-31 2019-09-18 Vysoká Škola Báňská-Technická Univerzita Ostrava Zařízení pro využití kompresního tepla
US20240310034A1 (en) * 2022-07-17 2024-09-19 Ge-Hitachi Nuclear Energy Americas Llc Heat pump integrated with a nuclear power plant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050235625A1 (en) * 2004-04-27 2005-10-27 Bernd Gericke Device for utilizing the waste heat of compressors
WO2008031810A2 (fr) 2006-09-15 2008-03-20 Siemens Aktiengesellschaft installation de compression
WO2010069759A1 (fr) 2008-12-18 2010-06-24 Siemens Aktiengesellschaft Train de turbocompresseur et procédé de fonctionnement de ce dernier, et installation de liquéfaction du gaz naturel équipée du train de turbocompresseur
WO2010142574A2 (fr) 2009-06-09 2010-12-16 Siemens Aktiengesellschaft Installation de liquéfaction de gaz naturel et procédé de mise en marche de ladite installation
EP2578817A2 (fr) * 2011-10-03 2013-04-10 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Appareil de production d'énergie

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CH495498A (de) 1968-08-28 1970-08-31 Sulzer Ag Dampfkraftanlage mit aufgeladenem Dampferzeuger
SU1740707A1 (ru) * 1990-06-18 1992-06-15 Ленинградское высшее военное инженерное строительное училище им.генерала армии А.Н.Комаровского Комбинированна теплосилова установка
DE19745272C2 (de) * 1997-10-15 1999-08-12 Siemens Ag Gas- und Dampfturbinenanlage und Verfahren zum Betreiben einer derartigen Anlage
DE19943782C5 (de) * 1999-09-13 2015-12-17 Siemens Aktiengesellschaft Gas- und Dampfturbinenanlage
JP4463105B2 (ja) 2002-09-30 2010-05-12 ビーピー・コーポレーション・ノース・アメリカ・インコーポレーテッド 二酸化炭素排出量を削減した、タービンへの冷却空気注入を使用する冷媒圧縮用の動力及び軽質炭化水素ガス液化プロセス用電力を提供するための方法及びシステム
WO2009059985A2 (fr) 2007-11-07 2009-05-14 Shell Internationale Research Maatschappij B.V. Procédé et appareil pour refroidir et liquéfier un courant d'hydrocarbure
US20100293967A1 (en) 2007-12-07 2010-11-25 Dresser-Rand Company Compressor system and method for gas liquefaction system
RU128901U1 (ru) * 2012-12-24 2013-06-10 Владимир Викторович Михайлов Комбинированная теплосиловая установка (варианты)

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050235625A1 (en) * 2004-04-27 2005-10-27 Bernd Gericke Device for utilizing the waste heat of compressors
WO2008031810A2 (fr) 2006-09-15 2008-03-20 Siemens Aktiengesellschaft installation de compression
WO2010069759A1 (fr) 2008-12-18 2010-06-24 Siemens Aktiengesellschaft Train de turbocompresseur et procédé de fonctionnement de ce dernier, et installation de liquéfaction du gaz naturel équipée du train de turbocompresseur
WO2010142574A2 (fr) 2009-06-09 2010-12-16 Siemens Aktiengesellschaft Installation de liquéfaction de gaz naturel et procédé de mise en marche de ladite installation
EP2578817A2 (fr) * 2011-10-03 2013-04-10 Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) Appareil de production d'énergie

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CZ307962B6 (cs) * 2017-03-31 2019-09-18 Vysoká Škola Báňská-Technická Univerzita Ostrava Zařízení pro využití kompresního tepla
US20240310034A1 (en) * 2022-07-17 2024-09-19 Ge-Hitachi Nuclear Energy Americas Llc Heat pump integrated with a nuclear power plant

Also Published As

Publication number Publication date
DE102016217886A1 (de) 2018-03-22
EP3516178A1 (fr) 2019-07-31
RU2700115C1 (ru) 2019-09-12
CN109790760B (zh) 2021-11-09
EP3516178B1 (fr) 2020-06-17
CN109790760A (zh) 2019-05-21

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