EP2201222A2 - Dispositif de conversion d'énergie, couplage force-chaleur comprenant un tel dispositif et procédé pour faire fonctionner une installation orc - Google Patents

Dispositif de conversion d'énergie, couplage force-chaleur comprenant un tel dispositif et procédé pour faire fonctionner une installation orc

Info

Publication number
EP2201222A2
EP2201222A2 EP08801824A EP08801824A EP2201222A2 EP 2201222 A2 EP2201222 A2 EP 2201222A2 EP 08801824 A EP08801824 A EP 08801824A EP 08801824 A EP08801824 A EP 08801824A EP 2201222 A2 EP2201222 A2 EP 2201222A2
Authority
EP
European Patent Office
Prior art keywords
lubricant
circuit
engine
working fluid
heat
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Withdrawn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
EP08801824A
Other languages
German (de)
English (en)
Inventor
Aldo Piacentini-Timm
René NIESNER
Ulli Drescher
Thomas Vossberg
Manfred Kremp
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.)
GMK Gesellschaft fuer Motoren und Kraftanlagen mbH
Original Assignee
GMK Gesellschaft fuer Motoren und Kraftanlagen mbH
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 GMK Gesellschaft fuer Motoren und Kraftanlagen mbH filed Critical GMK Gesellschaft fuer Motoren und Kraftanlagen mbH
Publication of EP2201222A2 publication Critical patent/EP2201222A2/fr
Withdrawn legal-status Critical Current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
    • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
    • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
    • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
    • F01K23/065—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle the combustion taking place in an internal combustion piston engine, e.g. a diesel engine
    • 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
    • F01K21/005—Steam engine plants not otherwise provided for using mixtures of liquid and steam or evaporation of a liquid by expansion
    • 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
    • F01K25/04—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 fluid being in different phases, e.g. foamed
    • 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
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F01K27/02—Plants modified to use their waste heat, other than that of exhaust, e.g. engine-friction heat

Definitions

  • the invention relates to a device for energy conversion according to the preamble of patent claim 1, a combined heat and power plant with such a device and a method for operating an ORC system.
  • a device of the type mentioned is known from DE 10 2005 048 795.
  • DE 10 2005 048 795 discloses a combined heat and power plant comprising a combined heat and power plant with an internal combustion engine, which is subordinated to an organic Rankine cycle (ORC).
  • ORC organic Rankine cycle
  • the waste heat in the exhaust gas and in the cooling ⁇ water of the internal combustion engine is used to heat the organic working fluid of the ORC process in known devices. This is particularly possible because plants built according to the principle of ORC can be operated at lower process temperatures than plants that are operated with water vapor.
  • an organic fluid or fluid mixture such as silicone oils, partially or fully fluorinated hydrogens, alkanes, alkylbenzenes or other organics in the liquid state are pumped to an upper process pressure. After preheating and evaporation, the fluid in an engine is decompressed while doing work. The fluid is then condensed and returned to the pump.
  • an ORC process includes a working fluid circuit including a preheater, a steam generator, an engine, and a condenser.
  • the waste heat of the internal combustion engine from the combined heat and power plant is used to heat the working fluid through the preheater and the steam generator.
  • a turbocharger is provided, which is operated by the exhaust gas flow of the internal combustion engine. The turbocharger serves to compress the gas / air mixture conducted to the internal combustion engine, thereby increasing the efficiency of the internal combustion engine.
  • the gas / air mixture heats up. This heat is also transferred to the ORC process via a heating circuit to preheat the working fluid of the ORC process.
  • the energy stored in the working fluid is converted into mechanical energy.
  • DE 10 2005 048 795 discloses a combined heat and power plant for a small power range, wherein a screw motor is used as the engine.
  • the heated and vaporized working fluid is directed into the steam screw motor, where it expands to release rotational energy.
  • the rotational energy is converted into electricity in a generator.
  • Known steam screw motors are operated either as so-called dry runners or by adding a lubricating oil in the working space. Dry runners have the disadvantage that they have a lower efficiency, since the two counter-rotating screws are not sealed against each other. To increase the efficiency, therefore steam screw motors are used, which have an oil lubrication.
  • the lubricating oil is introduced into the working space and serves not only as a lubricant between the screws, but also as a blocking agent. By contact with the hot working fluid in the working space, the lubricating oil is heated, whereby heat energy is absorbed. The energy absorbed by the oil is not available for conversion in the engine.
  • the invention is therefore based on the object to provide a device for energy conversion by an ORC process, in which the efficiency is improved. Furthermore, the invention has for its object to provide a combined heat and power plant with such a device and a method for operating an ORC system.
  • this object is achieved with regard to the device by the subject-matter of claim 1, with regard to the combined heat and power plant by the subject-matter of claim 19 and with regard to the method by the subject-matter of claim 20.
  • the invention is based on the idea to provide an apparatus for energy conversion by an ORC process, which comprises a working medium circuit with an organic working medium having an engine, in particular a screw motor, wherein the engine is coupled to a lubricant circuit, which is a lubricant such that the lubricant is conducted together with the working fluid in a working chamber of the engine, wherein the lubricant circuit has a means for transmitting heat energy, which is upstream of the engine and adapted such that heated lubricant of the engine can be fed.
  • the invention has the advantage that by the heating of the lubricant, the temperature difference between the lubricant and the working fluid in the working space is reduced, so that the energy available for the energy conversion in the engine is increased. In this way, the efficiency of the engine is increased.
  • the energy conversion device comprises a control means for controlling the lubricant temperature, which is adapted to heat the lubricant to a temperature corresponding to the input temperature of the working fluid to the engine. In this way it is prevented that thermal energy passes from the working fluid to the lubricant, so that the necessary for the production of mechanical work heat energy is maintained.
  • the device for transmitting heat energy is coupled to a coolant circuit of an internal combustion engine such that the waste heat of the internal combustion engine can be transferred to the lubricant by a coolant, wherein the internal combustion engine is arranged upstream of the device for energy conversion.
  • the coolant is cooled by the heat transfer from the coolant circuit into the lubricant circuit, so that an efficient cooling of the internal combustion engine is ensured.
  • the coolant circuit has an engine cooling circuit, which is integrated in the internal combustion engine.
  • the coolant circuit may have an intermediate Schenniklauf coupled with an integrated into the engine engine cooling circuit.
  • the engine cooling circuit is coupled directly to the device for transmitting heat energy of the lubricant circuit.
  • the waste heat of the internal combustion engine is transmitted directly to the lubricant circuit.
  • the intermediate circuit is coupled to the device for transmitting heat energy of the lubricant circuit.
  • the waste heat of the internal combustion engine can be passed to the lubricant circuit in a particularly simple manner, since the motor cooling circuit existing in commercial internal combustion engines, in particular cogeneration plants, is only slightly modified by being coupled to the intermediate circuit.
  • the coupling of the heat in the lubricant circuit takes place through the intermediate circuit, which is preferably coupled to the engine cooling circuit by an internal heat exchanger.
  • an indirect transfer of the waste heat of the internal combustion engine is achieved on the lubricant circuit by means of the intermediate circuit.
  • the coolant circuit may be coupled to the working fluid circuit such that the heat energy of the coolant is at least partially transferable to the working fluid circuit.
  • the heat released to the coolant circuit waste heat of the engine is used particularly effectively and heats the working fluid.
  • the working medium circuit may have at least one heat exchanger, in particular a coolant heat exchanger, which is coupled to the coolant circuit such that the waste heat of the internal combustion engine can be transmitted at least partially to the working fluid circuit.
  • the heat exchanger of the working medium circuit can be coupled both directly through the engine cooling circuit and indirectly through the intermediate circuit with the engine.
  • the internal combustion engine has an exhaust pipe, which comprises an exhaust gas heat exchanger, which is connected to the lubricant circuit is coupled such that the exhaust heat is at least partially transferable to the lubricant ⁇ circulation.
  • the exhaust gas temperature is substantially higher than the temperature of the coolant, so that the lubricant is further heated.
  • the otherwise unused exhaust heat heat the lubricant so far that a lubricant temperature is reached, which corresponds approximately to the input temperature of the working fluid to the engine.
  • the exhaust gas heat exchanger may be coupled to the lubricant circuit by a transmission circuit, in particular a thermal oil circuit comprising a transmission means for transmitting heat energy.
  • a transmission circuit between the exhaust gas heat exchanger and the lubricant circuit has the advantage that the controllability of the heat transfer from the exhaust gas to the lubricant is improved. In this way, the temperature of the lubricant can be adjusted to a desired value.
  • the working medium circuit comprises at least one preheater and / or a steam generator, which is coupled to the transmission circuit such that exhaust heat energy can be transmitted by the transmission means to the working medium circuit.
  • the use of the exhaust heat energy for heating the working fluid is particularly efficient, since in this way the exhaust heat in the working fluid circuit is used to generate the mechanical energy in the engine. As a result, a total of more mechanical energy can be gained from the fuel burned in the internal combustion engine.
  • the lubricant circuit comprises a separating device for separating the lubricant from the working medium, which is arranged downstream of the engine.
  • the lubricant circuit has a branch, which is arranged upstream of the device for transmitting heat energy and coupled to a supply line such that a part of the lubricant of the shaft of the engine can be supplied as a coolant.
  • a part of the Coolant transported along the shaft. In this case, coolant can penetrate into the engine. Since the same lubricant is used for lubrication of the engine and for cooling the shaft, a further separation of the penetrating coolant from the lubricant is not necessary, so that can be dispensed with a costly and energy-intensive separator. In addition, can be dispensed with an additional shaft cooling.
  • the supply line comprises at least one lubricant heat exchanger, which is coupled to the working fluid circuit such that the heat energy of the lubricant is transferable to the working fluid.
  • the lubricant used as a coolant is cooled, whereby a particularly efficient shaft cooling is possible.
  • this heat energy is used to preheat the working fluid. The residual heat of the lubricant is thus used to generate mechanical energy in the engine.
  • a generator is provided to utilize the mechanical energy of the engine to generate electric power.
  • the generator may be connected to the shaft of the engine by a magnetic coupling.
  • the magnetic coupling allows the transmission of power from the engine to the shaft of the generator, wherein the magnetic coupling has the advantage that the coupling is fluid-tight. Further, the magnetic coupling is frictionless, whereby the power transmission from the engine to the generator is used efficiently.
  • the engine may include an electric and / or mechanical starting device, such as an electric motor. have a pneumatic or hydraulic starting device.
  • the invention is further based on the idea to provide a combined heat and power plant with a device for energy conversion by an ORC process, the device comprising a working medium circuit with an organic working medium having an engine, in particular a screw motor, wherein the Engine is coupled to a lubricant circuit having a lubricant, such that the lubricant together with the working fluid in the Ar- beitsraum the engine is passed, wherein the lubricant circuit has a means for the transmission of heat energy, which is upstream of the engine and adapted such that heated lubricant to the engine can be fed.
  • the invention is further based on the idea to provide a method for operating an ORC system comprising an engine, in particular a screw motor, a working fluid circuit with an organic working fluid and a lubricant circuit with a lubricant, wherein the lubricant heated and in a working space of the Engine is merged with the work equipment.
  • the method according to the invention has the advantage that less energy is extracted from the working fluid by the heated lubricant, so that the heat energy of the working fluid is used efficiently for operating the engine.
  • the lubricant is heated by the waste heat of an internal combustion engine, which is upstream of the ORC system.
  • the waste heat of the internal combustion engine can also be transmitted to the lubricant by a coolant of a coolant circuit. This can be done both directly and indirectly by an intermediate circuit.
  • the lubricant is heated by the exhaust heat flow of the internal combustion engine.
  • the heat energy of the exhaust gas heat flow is at least partially transmitted to the lubricant and / or working fluid by a transmission means of a transmission circuit, in particular a thermal oil circuit.
  • a part of the lubricant is branched off prior to heating and supplied as a coolant of a shaft of the engine.
  • the branched off part of the lubricant heats the working fluid before it is fed to the shaft.
  • 1 shows a process diagram of a device for energy conversion according to an embodiment of the invention
  • 2 shows a process diagram of a device for energy conversion according to a further embodiment of the invention.
  • FIG. 1 shows a process diagram of a device according to the invention with a working medium circuit 11, a lubricant circuit 13, a coolant circuit 15 and a transmission circuit 20.
  • the ORC process comprises a working fluid pump 31a, downstream of which are a preheater 21 and a steam generator 22.
  • the steam generator 22 are followed by an engine 12 and a capacitor 3D in the further course.
  • the working medium circuit 11 differs from conventional ORC processes in that a heat exchanger 17 is arranged between the working medium pump 31a and the preheater 21.
  • the heat exchanger 17 is preceded by a lubricant heat exchanger 26, wherein the lubricant heat exchanger 26 is parallel to the working fluid circuit 11 coupled.
  • a lubricant circuit 13 which has a lubricant pump 31b and is coupled to the engine 12.
  • the lubricant pump 31b downstream of a device for transmitting heat energy 14 in the flow direction.
  • the means for transmitting heat energy 14 is also a transmission medium heat exchanger 29 and downstream of the engine 12 downstream.
  • the lubricant pump 31 b upstream of a separator 23 which separates the lubricant / working fluid mixture, so that the lubricant to the lubricant circuit 13 and the working fluid to the working fluid circuit 11 is supplied.
  • a branch downstream of the lubricant pump 31 b which is coupled to a supply pipe 24.
  • the supply line 24 is coupled to the lubricant heat exchanger 26 and leads to the shaft 25 of the engine 12.
  • the shaft 25 connects the engine 12 to the generator 27, wherein between the shaft 25 and the generator 27, a magnetic coupling 28 is provided.
  • the exemplary embodiment of the device according to the invention comprises an internal combustion engine 16 with a coolant circuit 15.
  • the coolant circuit 15 comprises an engine cooling circuit 15a, in particular a cooling water circuit, which is integrated in the internal combustion engine 16, and an intermediate circuit 15b, which connects the engine cooling circuit 15a with the lubricant circuit 13 by a means for transmitting heat energy 14 and the working medium circuit 11 through a heat exchanger 17 (Fig. 2).
  • the engine cooling circuit 15a has an engine cooling pump 31e and an internal heat exchanger 33, which extracts heat energy from the cooling medium and supplies it to the intermediate circuit 15b.
  • Such an arrangement is preferred in practice, since so the heat is transmitted hydraulically decoupled and the cooling of the engine 16 can be guaranteed regardless of the heat use.
  • the coolant circuit 15 receives the waste heat of the internal combustion engine 16 directly, so that only one circuit for cooling the engine 16 is provided (Hg. 1).
  • coolant circuit 15 wherein both the direct coupling of the internal combustion engine 16 to the heat exchanger 17, in particular coolant heat exchanger (FIG. 1), or the device for transmitting heat energy 14 through the engine cooling circuit 15 a as well Indirect coupling of the internal combustion engine with the heat exchanger 17 and the means for transmitting heat energy 14 through the intermediate circuit 15b are included.
  • the embodiments shown in Figures 1 and 2 can be combined with each other, so that all resulting combination possibilities of coupling the engine 16 with the working fluid circuit 11 and the lubricant circuit 13 are disclosed.
  • the coolant circuit 15 has a coolant pump 31c, which is arranged downstream of the coolant heat exchanger or generally the heat exchanger 17.
  • the heat exchanger 17 couples the coolant circuit 15 to the working fluid circuit 11. Between the coolant pump 31 c and the heat exchanger 17, a branch is provided, so that the coolant is directed to the heat energy transfer device 14. From the means for transmitting heat energy 14, another line leads back to the internal combustion engine 16, wherein the combustion engine 16 is preceded by a connection point, at which the part of the coolant flowing through the heat exchanger 17 (FIG. 1) or the part of the intermediate circuit (15b) contained fluid, as well as the part of the coolant, which flows through the means for transmitting heat energy 14, is brought together.
  • the engine 16 is also coupled to an exhaust conduit 18 having an exhaust heat exchanger 19.
  • the exhaust gas heat exchanger 19 connects the exhaust gas line 18 with a transmission circuit 20.
  • the exhaust gas heat exchanger 19 is followed by a branch, so that a part of the transmission means to the transmission medium heat exchanger 29 is passed, which couples the transmission medium circuit 20 with the lubricant circuit 13.
  • Another part of the transmission means is fed to a steam generator 22 in the flow direction after the branching.
  • the steam generator 22 is followed by a preheater 21, wherein a part of the transmission means is passed through a bypass 32 on the preheater.
  • the steam generator 22 and the preheater 21 couple the transmission medium circuit
  • the preheater 21 is followed by a connection point at which the transmission means from the transfer medium heat exchanger 29 and the transfer means from the preheater 21 is brought together.
  • Modern stationary combustion engines 16 used as combined heat and power plants achieve efficiencies of 35% to 50%.
  • a large part of the energy, which is not available for power generation is discharged as waste heat in the exhaust gas at high temperature level (about 400 0 C) and in the cooling water at a lower temperature (about 90 0 C) to the environment.
  • systems based on the principle of the organic Rankine Cycle can be used in a particularly advantageous manner.
  • the advantage lies in the use of organic work equipment, which in contrast to water have a lower boiling point.
  • the organic working fluid is heated in four stages until it is in gaseous form as vapor.
  • the working fluid is pumped through the working fluid pump 31a through the working fluid circuit 11.
  • a part of the working fluid is supplied to the working fluid pump 31a a lubricant heat exchanger 26, which extracts heat energy from the lubricant and supplies the working fluid.
  • the further function of the lubricant heat exchanger 26 is explained in more detail in connection with the lubricant circuit 13.
  • the heat exchanger 17 has the task to transfer the heat energy, which is extracted from the internal combustion engine 16 by the coolant, to the working fluid, whereby the working fluid temperature is further increased.
  • a preheater 21 which transfers thermal energy from the exhaust gas of the internal combustion engine 16 to the working fluid through the transmission medium circuit 20, the working fluid is further heated.
  • the steam generator 22 which is downstream of the preheater 21
  • exhaust heat energy is transmitted to the working fluid, so that the boiling point of the working fluid is exceeded and the working fluid passes into the vaporous state.
  • the working medium vapor operates an engine 12.
  • the engine 12 is designed as Dampfschrauben ⁇ motor.
  • the working fluid is mixed with the lubricant.
  • the working medium / lubricant mixture is fed to a separating device 23, where the two components are separated from one another.
  • the working fluid is conducted to a condenser 30, which extracts heat energy from the working fluid, so that the working fluid returns to the liquid state.
  • the lubricant is conveyed through the lubricant circuit 13 by a lubricant pump 31b.
  • the lubricant fulfills two functions. On the one hand, the lubricant is supplied to the engine 12 as a lubricant and blocking agent, on the other hand, a portion of the lubricant via a supply line 24 of the shaft 25 of the engine 12 is supplied as a coolant.
  • the portion of the lubricant supplied to the engine 12 is heated by a heat energy transfer device 14 in one embodiment of the present invention, and the heat energy transferred to the lubricant is removed from the coolant circuit 15 of the engine 16.
  • the transfer medium heat exchanger 29 heat energy from the exhaust gas of the engine 16, which is withdrawn from the exhaust gas through the exhaust heat exchanger 19 and passed through the transmission medium circuit 20 to the transmission medium heat exchanger 29, delivered to the lubricant, so that the lubricant is heated to a temperature corresponding to the temperature corresponds to the working medium.
  • the lubricant is conducted together with the working fluid into the working space of the engine 12. Because the working fluid and the lubricant are at the same temperature exhibit no heat energy is removed from the working fluid by the lubricant. In this way, the amount of energy available to operate the engine 12 is increased and the efficiency of the engine 12 is increased.
  • the lubricant is returned to the lubricant pump 31b.
  • the other part of the lubricant, which is supplied to the shaft 25 as a coolant, is first passed through the supply line 24 to a lubricant heat exchanger 26.
  • the lubricant heat exchanger 26 extracts heat energy from the lubricant so that the temperature of the lubricant is lowered, whereby the lubricant can be efficiently used for cooling the bearings and the shaft 25.
  • the extracted from the lubricant heat energy is preferably used to heat the working fluid in the working fluid circuit 11.
  • a preheating of the working fluid through a lubricant heat exchanger 26 is not mandatory.
  • the lubricant is not used for cooling the shaft 25. Rather, the cooling of the shaft 25 can also be effected by a separate cooling circuit.
  • the coupling of the engine 12 with the generator 27 is preferably carried out by a magnetic coupling 28. Conceivable are also other types of coupling.
  • the engine 12 is started by means of a pneumatic starting device. It is also conceivable to use the engine 12 by an electric starting device or other starting devices in operation.
  • the heating of the lubricant in the lubricant circuit 13 to take place only by the device for transmitting heat energy 14. Further heating of the lubricant by a transfer medium heat exchanger 29 is not mandatory.
  • a recuperator is arranged in the working fluid circuit 11 between the separator 22 and the condenser 30, which removes the residual heat of the working fluid in front of the condenser 30 and transmits the working fluid to the condenser 30.
  • the engine 12 is preferably designed as a screw motor. It is also conceivable that the engine 12 comprises a turbine, a steam piston engine or other means for converting steam energy into mechanical energy. LIST OF REFERENCE NUMBERS

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)
  • Lubrication Of Internal Combustion Engines (AREA)

Abstract

La présente invention concerne un dispositif de conversion d'énergie par un processus ORC (cycle organique de Rankine), le dispositif comprenant un circuit de fluide de travail (11) contenant un fluide de travail organique et présentant une machine motrice (12), en particulier un moteur à vis. L'invention se caractérise en ce que la machine motrice (12) est couplée à un circuit de lubrifiant (13) qui présente un lubrifiant, de sorte que le lubrifiant est dirigé dans une chambre de travail de la machine motrice (12) conjointement avec le fluide de travail, le circuit de lubrifiant (13) présentant un dispositif de transmission d'énergie thermique (14) qui se trouve en amont de la machine motrice (12) et est adapté de sorte que le lubrifiant peut être chauffé et la machine motrice (12) peut être alimentée.
EP08801824A 2007-09-04 2008-09-03 Dispositif de conversion d'énergie, couplage force-chaleur comprenant un tel dispositif et procédé pour faire fonctionner une installation orc Withdrawn EP2201222A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200710041944 DE102007041944B3 (de) 2007-09-04 2007-09-04 Vorrichtung zur Energieumwandlung, Kraft-Wärme-Kopplungsanlage mit einer derartigen Vorrichtung und Verfahren zum Betreiben einer ORC-Anlage
PCT/EP2008/007198 WO2009030471A2 (fr) 2007-09-04 2008-09-03 Dispositif de conversion d'énergie, couplage force-chaleur comprenant un tel dispositif et procédé pour faire fonctionner une installation orc

Publications (1)

Publication Number Publication Date
EP2201222A2 true EP2201222A2 (fr) 2010-06-30

Family

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Family Applications (1)

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EP08801824A Withdrawn EP2201222A2 (fr) 2007-09-04 2008-09-03 Dispositif de conversion d'énergie, couplage force-chaleur comprenant un tel dispositif et procédé pour faire fonctionner une installation orc

Country Status (3)

Country Link
EP (1) EP2201222A2 (fr)
DE (1) DE102007041944B3 (fr)
WO (1) WO2009030471A2 (fr)

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FR3042216B1 (fr) * 2015-10-09 2019-06-28 IFP Energies Nouvelles Dispositif de lubrification d'un palier recevant un arbre rotatif d'un element d'un circuit ferme fonctionnant selon un cycle de rankine et procede utilisant un tel dispositif.
US10815929B2 (en) * 2017-07-05 2020-10-27 Cummins Inc. Systems and methods for waste heat recovery for internal combustion engines
CA3016521A1 (fr) 2017-09-06 2019-03-06 Joy Global Surface Mining Inc Systeme de lubrification destine a un compresseur
DK3530890T3 (da) * 2018-02-27 2023-01-16 Orcan Energy Ag Drev med integreret ORC
DE102019122087A1 (de) * 2019-08-16 2021-02-18 Anton Neukäufer Energierückgewinnungsanlage mit Koppelkreislauf
AU2021202410A1 (en) 2020-04-21 2021-11-11 Joy Global Surface Mining Inc Lubrication system for a compressor
CN116599231B (zh) * 2023-05-18 2024-02-20 中国电建集团河北省电力勘测设计研究院有限公司 一种无储热罐的耦合有机朗肯循环的压缩空气储能系统

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