EP2561276A2 - Procédé à cycle de rankine (rc) ou à cycle de rankine organique (orc) pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse et dispositif correspondant - Google Patents

Procédé à cycle de rankine (rc) ou à cycle de rankine organique (orc) pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse et dispositif correspondant

Info

Publication number
EP2561276A2
EP2561276A2 EP10771334A EP10771334A EP2561276A2 EP 2561276 A2 EP2561276 A2 EP 2561276A2 EP 10771334 A EP10771334 A EP 10771334A EP 10771334 A EP10771334 A EP 10771334A EP 2561276 A2 EP2561276 A2 EP 2561276A2
Authority
EP
European Patent Office
Prior art keywords
orc
evaporator
heat exchanger
medium
turbine
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Withdrawn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
EP10771334A
Other languages
German (de)
English (en)
Inventor
Franz Wimmer
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.)
Conpower Energieanlagen GmbH and Co KG
Original Assignee
Conpower Energieanlagen GmbH and 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 Conpower Energieanlagen GmbH and Co KG filed Critical Conpower Energieanlagen GmbH and Co KG
Publication of EP2561276A2 publication Critical patent/EP2561276A2/fr
Withdrawn legal-status Critical Current

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
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • F02C3/26—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
    • 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
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B1/00—Methods of steam generation characterised by form of heating method
    • F22B1/02—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers
    • F22B1/18—Methods of steam generation characterised by form of heating method by exploitation of the heat content of hot heat carriers the heat carrier being a hot gas, e.g. waste gas such as exhaust gas of internal-combustion engines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00—Control systems for steam boilers
    • F22B35/007—Control systems for waste heat boilers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22D—PREHEATING, OR ACCUMULATING PREHEATED, FEED-WATER FOR STEAM GENERATION; FEED-WATER SUPPLY FOR STEAM GENERATION; CONTROLLING WATER LEVEL FOR STEAM GENERATION; AUXILIARY DEVICES FOR PROMOTING WATER CIRCULATION WITHIN STEAM BOILERS
    • F22D1/00—Feed-water heaters, i.e. economisers or like preheaters
    • F22D1/02—Feed-water heaters, i.e. economisers or like preheaters with water tubes arranged in the boiler furnaces, fire tubes or flue ways
    • F22D1/12—Control devices, e.g. for regulating steam temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22G—SUPERHEATING OF STEAM
    • F22G5/00—Controlling superheat temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
    • F02G2260/00—Recuperating heat from exhaust gases of combustion engines and heat from cooling circuits
    • 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
    • F05D2220/70—Application in combination with
    • F05D2220/75—Application in combination with equipment using fuel having a low calorific value, e.g. low BTU fuel, waste end, syngas, biomass fuel or flare gas

Definitions

  • the invention relates to a (O) RC method for the waste heat aftercurrent
  • ORC plants for the use of low-temperature waste heat known to work with ORC media whose boiling point is well below 100 ° C.
  • waste heat can be used, as this arises, for example, in combustion engines.
  • the invention is therefore based on the object to further develop a method and a device of the generic type such that the overall energy efficiency is improved so that the efficiency of biomass utilization increases significantly overall.
  • the object is in a method of the generic type according to the invention by the
  • Core of the inventive method is that of
  • Circulation medium between the pump and entry into the boiling point of the evaporator is controlled. This has the consequence that by the no longer necessary structural design of the evaporator, the device
  • the process is also optimized overall efficiency.
  • the accumulating waste heat from the additional cooling can, depending on the size of the
  • High-temperature ORC plant and low-temperature ORC plant is used 2-stage. This means that this waste heat according to the invention can be used by cooling, which occurs in the high-temperature process, if necessary even as additional preheat for the combined low-temperature process.
  • this can also be advantageously applied to the condenser by providing after the expansion of the ORC medium after a turbine or expansion machine before entering the condenser, a further heat exchanger, which the enthalpy difference between outlet turbine / expansion machine and cools down to the saturated steam point on the condensation line.
  • a further heat exchanger which the enthalpy difference between outlet turbine / expansion machine and cools down to the saturated steam point on the condensation line.
  • the power of the controllable heat exchanger is controlled so that only the enthalpy difference over the heat exchanger
  • the cooling can be done against outside air, or alternatively against a
  • Heat reservoir In the latter case, this relates to the appropriate recycling of heat described above in a complex process.
  • the essence of the invention is that the evaporator structurally accurate is designed for the desired enthalpy difference on the boiling line before and after evaporation, by providing a controllable heat exchanger to the evaporator
  • Evaporator is controlled.
  • Saturated steam is cooled down on the condensation line.
  • the heat exchanger is a cooler or is connected to a cooler which cools against outside air or against a heat reservoir.
  • the heat exchanger / recuperator thermally lifts the condensed ORC medium and is connected to the preheater.
  • Figure 1 shows the process vividly based on a diagram pressure over enthalpy.
  • the left line is the said boiling line S.
  • the line on the right is the tau line T.
  • FIG. 2 shows the individual components of the invention in an ORC system.
  • the plant is of a
  • Low temperature heat source fed which in this example is water at a temperature of 85 ° C.
  • This can be, for example, cooling water of an internal combustion engine.
  • heat is thus supplied to an ORC medium and evaporated.
  • the boiling line is set to 70 ° C at a pressure of 2.9 bar. In order to approach this boiling line according to the invention is about an additional, working as a preheater
  • the vaporized in the evaporator ORC medium is passed to a turbine of a turbine-generator assembly and at the outlet, the medium is cooled to 52 ° C and relaxed to 0.83 bar.
  • Said recuperator continues to remove heat and reduce the temperature level of the ORC medium to 31 ° C at a pressure of 0.8 bar, before finally being condensed again in a condenser. This is targeted to air or a virtually infinite
  • the recuperator now uses the heat coming from the exhaust area of the turbine at a temperature level of 52 ° C and heats the return of the ORC medium from the evaporator back to a temperature level of 47 ° C at a pressure of 3, 13 bar. It then runs over the preheater, is raised to 70 ° C and then fed back to the evaporator at 3.0 B ⁇ pressure. The cycle i closed again.
  • organic ORC evaporation agent can instead of an organic
  • Steam cycle method is a component used for overheating, which is designed to increase the internal energy in the required amount at the desired overheating of the steam after the
  • Evaporator is designed or is controllable. reference numeral

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un procédé à cycle (O)RC pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse, ainsi qu'un dispositif correspondant, conformément au préambule des revendications 1 et 6. L'invention vise à améliorer le rendement énergétique global de manière à accroître globalement l'efficacité de l'utilisation de la biomasse. A cet effet, on dimensionne structurellement l'évaporateur précisément pour la différence d'enthalpie visée sur la courbe d'ébullition avant et après l'évaporation en plaçant en amont de l'évaporateur un échangeur thermique commandable qui est régulé sur la différence d'enthalpie entre la pompe et l'entrée dans la courbe d'ébullition de l'évaporateur.
EP10771334A 2009-10-14 2010-10-13 Procédé à cycle de rankine (rc) ou à cycle de rankine organique (orc) pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse et dispositif correspondant Withdrawn EP2561276A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200910049338 DE102009049338A1 (de) 2009-10-14 2009-10-14 ORC-Verfahren für die Abwärmenachverstromung bei Biomasseverbrennung, sowie entsprechende Einrichtung
PCT/EP2010/006264 WO2011045047A2 (fr) 2009-10-14 2010-10-13 Procédé à cycle (o)rc pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse et dispositif correspondant

Publications (1)

Publication Number Publication Date
EP2561276A2 true EP2561276A2 (fr) 2013-02-27

Family

ID=43876627

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10771334A Withdrawn EP2561276A2 (fr) 2009-10-14 2010-10-13 Procédé à cycle de rankine (rc) ou à cycle de rankine organique (orc) pour la transformation en énergie électrique de la chaleur produite lors de la combustion de biomasse et dispositif correspondant

Country Status (3)

Country Link
EP (1) EP2561276A2 (fr)
DE (1) DE102009049338A1 (fr)
WO (1) WO2011045047A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012100645B4 (de) 2012-01-26 2016-07-14 Saxess Holding Gmbh ORC - Organischer Rankine Zyklus
DE202012006055U1 (de) 2012-06-25 2012-08-01 Monika Semmler Vorrichtung zum Erzeugen von elektrischer Energie mittels eines Organic-Rankine-Kreislaufs in Verbindung mit einem Turbinengenerator
DE102012210803A1 (de) 2012-06-26 2014-01-02 Energy Intelligence Lab Gmbh Vorrichtung zum Erzeugen elektrischer Energie mittels eines ORC-Kreislaufs
JP6132214B2 (ja) * 2012-12-06 2017-05-24 パナソニックＩｐマネジメント株式会社 ランキンサイクル装置、熱電併給システム及びランキンサイクル装置の運転方法
EP3366894B1 (fr) * 2017-02-24 2022-04-20 AgroNorm Vertriebs GmbH Dispositif de convertissement de l'énergie thermique

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3965675A (en) * 1974-08-08 1976-06-29 Westinghouse Electric Corporation Combined cycle electric power plant and a heat recovery steam generator having improved boiler feed pump flow control
US5531073A (en) * 1989-07-01 1996-07-02 Ormat Turbines (1965) Ltd Rankine cycle power plant utilizing organic working fluid
US5419285A (en) * 1994-04-25 1995-05-30 Henry Vogt Machine Co. Boiler economizer and control system
WO2008125827A2 (fr) * 2007-04-13 2008-10-23 City University Appareil et procédé à cycle de rankine organique
US20090126381A1 (en) * 2007-11-15 2009-05-21 The Regents Of The University Of California Trigeneration system and method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2011045047A2 *

Also Published As

Publication number Publication date
WO2011045047A2 (fr) 2011-04-21
WO2011045047A3 (fr) 2013-02-21
DE102009049338A1 (de) 2011-05-26

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