WO2015007527A2 - Machine à expansion - Google Patents

Machine à expansion Download PDF

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Publication number
WO2015007527A2
WO2015007527A2 PCT/EP2014/064115 EP2014064115W WO2015007527A2 WO 2015007527 A2 WO2015007527 A2 WO 2015007527A2 EP 2014064115 W EP2014064115 W EP 2014064115W WO 2015007527 A2 WO2015007527 A2 WO 2015007527A2
Authority
WO
WIPO (PCT)
Prior art keywords
turbine
shaft
turbines
power
valve
Prior art date
Application number
PCT/EP2014/064115
Other languages
German (de)
English (en)
Other versions
WO2015007527A3 (fr
Inventor
Wolfgang Auinger
Christian Benatzky
Gerd Schlager
Original Assignee
Magna Powertrain Ag & Co Kg
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 Magna Powertrain Ag & Co Kg filed Critical Magna Powertrain Ag & Co Kg
Publication of WO2015007527A2 publication Critical patent/WO2015007527A2/fr
Publication of WO2015007527A3 publication Critical patent/WO2015007527A3/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/36—Power transmission arrangements between the different shafts of the gas turbine plant, or between the gas-turbine plant and the power user
    • 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
    • F01K5/00—Plants characterised by use of means for storing steam in an alkali to increase steam pressure, e.g. of Honigmann or Koenemann type
    • F01K5/02—Plants characterised by use of means for storing steam in an alkali to increase steam pressure, e.g. of Honigmann or Koenemann type used in regenerative installation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
    • F02C6/02—Plural gas-turbine plants having a common power output
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines

Definitions

  • the invention relates to an expansion machine of the type of claim 1.
  • steam turbines serve the direct generation of mechanical energy (eg direct injection into the crankshaft), the indirect supply of electrical energy (conversion into mechanical energy and via a generator into electrical energy) and the drive of ancillary units and compressors, which Charge the internal combustion engine.
  • EP 0 915 232 A1 describes a method for operating a power plant.
  • a heat engine with two expanders, a low-temperature expander and a Hochtemperaturexpander describes the DE 102 59 488 A1.
  • the two expander act on a common shaft - also for each expander its own shaft and / or a freewheel can be provided, which are connected via a clutch with fixed or variable ratio with each other and an output shaft.
  • a first and a second pump and a first and a second heat exchanger which are connected to an exhaust system of an internal combustion engine.
  • the expander according to the invention consists of two expander turbines, whose shafts are coupled together with a one-way clutch, wherein the smaller power associated first turbine is disposed on the shaft, the output power is removed, the shaft of the second turbine with the larger output power via the one-way clutch is connected to the first shaft, the two turbines on the input side of an inlet can be acted upon by steam, the outputs of the turbines act on a common output, the turbine with the larger power upstream of an adjustable valve.
  • the first lower power turbine is associated with a conduit connecting the inlet to the outlet. In this bypass line another controllable valve is arranged.
  • a further embodiment provides a bypass associated with the first turbine with the lower power, which connects the inlet of this turbine with the outlet.
  • a second controllable valve is arranged in this bypass line.
  • the branch of the bypass line is arranged downstream of the second turbine upstream valve.
  • the output of the first turbine is assigned a third valve, such that the current through the first turbine and that of the bypass can be set in total via this third valve.
  • a further embodiment supplements this variant by a fourth valve, which is arranged in a bypass assigned to the second turbine.
  • FIG. 1 shows a first circuit of an expander according to the invention.
  • the expansion machine consists of two expander turbines T1, T2 in a common housing EG.
  • the two turbines T1, T2 are mounted on a respective shaft W1, W2, which are coaxial with each other, aligned with each other.
  • the wave W1 is at the same time the output shaft of the expander, via which the output power can be tapped off.
  • the shaft W2 is connected to the shaft W1 by means of an overrunning clutch FW.
  • the turbine T2 is designed as an expander turbine for a high steam output / heat output.
  • the turbine T1 is designed for smaller steam and heat outputs.
  • the one-way clutch FW between the turbines T1, T2 and the waves W1, W2 causes the shaft W2 can drive the shaft W1, when the speed is greater. If the rotational speed of the shaft W2 is smaller than the rotational speed of the shaft W1, then the shaft W1 overtakes the shaft W2, the shaft W1 runs free.
  • the turbines T1, T2 have the same rotational speed, correspondingly the freewheeling clutch FW designed.
  • the turbines T1 and T2 are beausftschbar via an inlet I with steam.
  • the inlet I leads via a direct channel in the housing EG directly to the turbine T1.
  • About a branch with a first adjustable valve V1 is the over
  • Inlet I supplied steam turbine T2 can be fed.
  • the turbine T1 can be bridged with a valve V2 downstream of the valve V1.
  • the output of the turbine T1 is still controllable via a third adjustable valve V3.
  • the steam flowing through the turbine T1 and / or T2 leaves the housing EG via the outlet O.
  • Valve V1 is open, valves V2 and V3 are closed.
  • the steam supplied via the inlet I only flows through the turbine T2 and leaves the outlet O of the housing EG.
  • the turbine T2 drives in this mode, the shaft W1 via the one-way clutch FW.
  • the turbine T1 is idling, i. without steaming.
  • a serial use of the turbines T1 and T2 is possible when the valves V1 and V3 closed, valve V2 is open.
  • the steam supplied via the inlet I thus first flows through the turbine T1, then via the path opened by the valve V2, the turbine T2.
  • This mode of operation allows a high thermal efficiency due to a low condenser temperature.
  • the power supplied by the turbines T1 and T2 can be tapped off via the shaft W1.
  • a parallel mode of operation is possible if via the valves V1 and V3 - V2 closed - the vapor stream of the inlet I is fed to both turbines. In this mode the maximum power is available.
  • FIG. 2 shows a second circuit of an expander according to the invention.
  • V1 and V2 are provided.
  • Ausch a two-stage expansion - serial operation - is not possible.
  • An advantage over the embodiment according to FIG. 1 is that the dimensioning of the turbine T2 is independent of that of the turbine T1.
  • the circuit of Figure 3 supplements the circuit of Figure 1 by a valve V4.
  • the valve V4 in the branch surrounding the turbine T2, the turbines T1 and T2 can be dimensioned independently of one another, since the turbine T2 can be bridged in an adjustable manner by the controllable valve V4.

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)
  • Control Of Turbines (AREA)

Abstract

La présente invention concerne une machine à expansion pour entraîner un groupe dans un véhicule automobile, présentant deux turbines d'expanseur (T1, T2) pouvant être sollicitées par de la vapeur, leurs arbres (W1, W2) étant accouplés l'un à l'autre via un embrayage à roue libre (FW), la première turbine (T1) associée à la plus petite puissance étant disposée sur l'arbre (W1) dont la puissance de sortie peut être prélevée, l'arbre (W2) de la deuxième turbine (T2) présentant la plus grande puissance de sortie étant relié via l'embrayage à roue libre (FW) au premier arbre (W1), les deux turbines (T1, T2) pouvant être sollicitées côté entrée d'une entrée (I) par de la vapeur, les sorties des turbines agissant sur une sortie commune (O), la turbine (T2) présentant la plus grande puissance étant précédée d'une soupape réglable (V1).
PCT/EP2014/064115 2013-07-15 2014-07-02 Machine à expansion WO2015007527A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013213836.9A DE102013213836A1 (de) 2013-07-15 2013-07-15 Expansionsmaschine
DE102013213836.9 2013-07-15

Publications (2)

Publication Number Publication Date
WO2015007527A2 true WO2015007527A2 (fr) 2015-01-22
WO2015007527A3 WO2015007527A3 (fr) 2015-04-09

Family

ID=51176357

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/064115 WO2015007527A2 (fr) 2013-07-15 2014-07-02 Machine à expansion

Country Status (2)

Country Link
DE (1) DE102013213836A1 (fr)
WO (1) WO2015007527A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6156410B2 (ja) * 2015-02-25 2017-07-05 トヨタ自動車株式会社 ランキンサイクルシステム
ITUA20163430A1 (it) * 2016-05-13 2017-11-13 Zuccato Energia Srl Macchina ORC con doppia turbina”
CN106014519B (zh) * 2016-05-20 2019-03-08 中国长江动力集团有限公司 蒸汽透平与有机朗肯循环工质透平双驱动系统

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915232A1 (fr) 1997-07-25 1999-05-12 Asea Brown Boveri AG Procédé de fonctionnement d'une centrale d'énergie
DE10259488A1 (de) 2002-12-19 2004-07-01 Bayerische Motoren Werke Ag Wärmekraftmaschine
DE102006028807A1 (de) 2006-06-23 2007-12-27 Initiativkreis Druckzellenmotor E.V. Wärmekraftmaschine, Membranpumpe, Dichtsystem und ein Verfahren zum Betreiben der Wärmekraftmaschine
EP2055912A2 (fr) 2007-10-30 2009-05-06 Voith Patent GmbH Conducteur de commande, en particulier conducteur de commande de véhicule

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4401283C2 (de) * 1993-01-19 1995-03-23 Dieter Wagner Verfahren und Vorrichtung zum Entleeren von Teilbereichen eines Gasrohrverbundnetzes
DE10231006B4 (de) * 2002-07-09 2007-10-31 Amovis Gmbh Vorrichtung zur Erzeugung von mechanischer Arbeit unter Verwendung von Expansions-Kraftmaschinen
US20100038917A1 (en) * 2008-08-15 2010-02-18 General Electric Company Steam turbine clutch and method for disengagement of steam turbine from generator
EP2305364A1 (fr) * 2009-09-29 2011-04-06 Alstom Technology Ltd Centrale électrique dotée pour capture de CO2
IT1402377B1 (it) * 2010-09-03 2013-09-04 Alstom Technology Ltd Impianto turbina a vapore
GB201106410D0 (en) * 2011-04-15 2011-06-01 Doosan Power Systems Ltd Turbine system
US8601814B2 (en) * 2011-04-18 2013-12-10 Ormat Technologies Inc. Geothermal binary cycle power plant with geothermal steam condensate recovery system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0915232A1 (fr) 1997-07-25 1999-05-12 Asea Brown Boveri AG Procédé de fonctionnement d'une centrale d'énergie
DE10259488A1 (de) 2002-12-19 2004-07-01 Bayerische Motoren Werke Ag Wärmekraftmaschine
DE102006028807A1 (de) 2006-06-23 2007-12-27 Initiativkreis Druckzellenmotor E.V. Wärmekraftmaschine, Membranpumpe, Dichtsystem und ein Verfahren zum Betreiben der Wärmekraftmaschine
EP2055912A2 (fr) 2007-10-30 2009-05-06 Voith Patent GmbH Conducteur de commande, en particulier conducteur de commande de véhicule

Also Published As

Publication number Publication date
DE102013213836A1 (de) 2015-01-15
WO2015007527A3 (fr) 2015-04-09

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