EP2526281A2 - Dispositif pour convertir de l'énergie thermique en énergie motrice - Google Patents

Dispositif pour convertir de l'énergie thermique en énergie motrice

Info

Publication number
EP2526281A2
EP2526281A2 EP11708687A EP11708687A EP2526281A2 EP 2526281 A2 EP2526281 A2 EP 2526281A2 EP 11708687 A EP11708687 A EP 11708687A EP 11708687 A EP11708687 A EP 11708687A EP 2526281 A2 EP2526281 A2 EP 2526281A2
Authority
EP
European Patent Office
Prior art keywords
piston
arrangement according
cylinder
fluid
double
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Withdrawn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
EP11708687A
Other languages
German (de)
English (en)
Inventor
Gerhard Stock
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP2526281A2 publication Critical patent/EP2526281A2/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Withdrawn legal-status Critical Current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
    • F01K27/00—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for
    • F01K27/005—Plants for converting heat or fluid energy into mechanical energy, not otherwise provided for by means of hydraulic motors
    • 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
    • F01K25/02—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 remaining in the liquid phase
    • 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

Definitions

  • the invention relates to an arrangement for converting thermal into motor energy with at least two pressure vessels, each having at least one upper injection opening for a hot and / or cold fluid, and each having a coupled with a working cycle liquid piston pump within the pressure vessel.
  • DE 197 19 190 A1 discloses an arrangement for converting thermal into electrical energy, which consists of a working cycle with a working fluid for driving a turbomachine and a plurality of alternately flowed through by a cold and warm medium heat exchangers.
  • a working cycle with a working fluid for driving a turbomachine and a plurality of alternately flowed through by a cold and warm medium heat exchangers.
  • an expansion element which expands and contracts as a function of the temperature of the medium is arranged, the temperature-related expansions and contractions of which are fed to the working cycle via a buffer reservoir.
  • a heat exchanger designed as a buffer memory is associated with each heat exchanger, wherein each spring is connected to the piston of a pressure cylinder, whose working space is connected via controllable valves via suction and pressure lines with a working oil circuit that drives a turbine with a generator.
  • a gas expansion element for an arrangement for converting thermal into motor energy in particular for a hot water engine, consisting of a filled with a gas or gas mixture closed pressure vessel, which is operatively connected via a displaceable piston with the arrangement , known.
  • the pressure vessel has an upper injection opening for hot and cold water and a lower water drainage opening.
  • the hot water engine each comprises groups of two pressure vessels with associated liquid piston pumps, which act on a working cycle of a water turbine. During a first cycle process is in the first
  • Pressure vessel a warm, expanding gas or gas mixture is present and the second pressure vessel contains a cold, contracting gas or gas mixture.
  • the gas or gas mixture of the first pressure vessel is cooled by injecting cold water and the gas or gas mixture of the second
  • the entire still containing hot water gas mixture is rinsed in the first pressure vessel with cold water until the temperature in this pressure vessel is returned to an initial level.
  • the remaining heat energy is lost.
  • DE 102 09 998 A1 discloses a gas expansion An element for an arrangement for converting thermal into motor energy, consisting of a filled with a gas mixture closed pressure vessel, which is operatively connected via a liquid piston with the arrangement and respectively an upper injection port for hot water and cold water and a lower connected to a working circuit Wasserablaüf ⁇ réelle having.
  • the liquid piston is provided within the pressure vessel and floats on the pressurized surface of the liquid piston acted upon by the gas or gas mixture pressure-resistant separation layer.
  • a gas expansion element is also known from US 3,608,311 AI.
  • the liquid piston is in each case via an opening with a flow and a return of a working circuit and with the injection openings for hot and cold water in combination.
  • the object is achieved in that the working cycle via a separation device with the Liquid piston pump is in flow communication, so that both a thermal and a material separation is given. Due to this measure, it is possible to select the optimal medium for the working cycle and the liquid piston pump.
  • the working cycle is a motor which is particularly suitable for driving a generator via a gear and whose essential property is to convert the hydraulic energy of the liquid piston pump into mechanical work.
  • the material separation and the selection of different fluids With the material separation and the selection of different fluids, the increase in the efficiency of the entire arrangement is accompanied, the efficiency is further increased by the fact that a thermal separation is realized by the separation device.
  • the separation device can be configured as desired, wherein only the transmission of the movement of the liquid piston of the liquid piston pump has to be realized on the corresponding circulating work cycle.
  • the separation device may for example also be realized by an impermeable vibration membrane.
  • ORC working media which are adapted to the temperature and pressure characteristics of the Organic Rankine Cycle cycle.
  • ORC working media are well known to those skilled in the art and are continuously enriched by new developments.
  • the separation device is designed as a double piston cylinder downstream of each pressure vessel on the outlet side.
  • the piston rod are the fluids separated and the fluid on the side of the liquid piston pump is spaced from the working circuit, which is associated with a significant thermal separation.
  • the heat transfer through the cylinder wall is left unconsidered in this case, since it is relatively small and assumes a stable state after a short time. Heat transfer to the environment can be minimized by simply insulating the cylinder.
  • Due to the two pistons guided in the double-piston cylinder, a material separation of the fluids used is accomplished by simple means. For example, water can be used in the area of the pressure vessel and thus of the liquid piston pump and oil in the working cycle.
  • a valve is arranged between the pressure vessel and the double piston cylinder.
  • the valve ensures that in the open state, a pressure of the liquid piston propagates into the double piston cylinder and moves the piston to create a flow in the working circuit. With a closed valve, the duck transfer from the working circuit to the liquid piston is prevented, which may be necessary, for example, during maintenance work.
  • the double-piston cylinder has a drain for leakage.
  • a slight leakage of the piston or piston rings on an inner wall of the double-piston cylinder with a corresponding transfer of fluid into the region of the piston rod connecting the two pistons can not be completely prevented. This leakage is eliminated by a corresponding discharge from the double piston cylinder. directed and does not interfere with the operation of the double piston cylinder.
  • the object underlying the invention is in an arrangement for converting thermal into motor energy with at least two pressure vessels, each having at least one upper injection port for a hot and / or cold fluid, and each with a coupled to a working cycle liquid piston pump within the pressure vessel alternatively achieved in that the liquid piston pump cooperates with a double-acting piston in a first cylinder which is connected via a piston rod with a double-acting piston in a second cylinder.
  • Piston-cylinder assembly reduces the energy that must be supplied to the assembly from the outside and essentially intercepts pressure spikes within the assembly resulting from the feeding of hot water into the steam circuit impinging the pressure vessels and the liquid piston pumps.
  • the first cylinder is connected on one side of the piston via a compressed air line with a Windkessel and on the other side with the liquid piston pump and at least one reservoir for the fluid.
  • the compressed air which is required for the entire valve control and to increase the boost pressure of the arrangement, generated by a pressure transmission through the not used for operating the working cycle fluid.
  • the second cylinder is connected on one side of the piston with the heating device for the fluid and on the other side by a pressurized gas, in particular I nertgas, acted upon.
  • a pressurized gas in particular I nertgas
  • the sides of the pistons, which are charged with fluid correspond to each other.
  • the working circuit is filled with a working fluid, which in particular has a higher viscosity than the fluid.
  • the relatively high viscosity of the fluid in the working cycle has a favorable effect on the drive of an existing there motor.
  • a hydraulic motor connected to a generator is inserted in the working cycle.
  • the hydraulic motor is designed in particular as a geared motor and is rotated by the flow of the working circuit in order to drive the generator.
  • the fluid is water or a pentane, toluene or silicone oil-containing organic substance.
  • ORC Organic Rankine Cycle
  • the working fluid is oil.
  • a short-circuit pipeline with at least one controllable valve for pressure equalization between the pressure vessels after performing the work of the gas is provided according to an advantageous development of the inventive idea between two pressure vessels.
  • a pressure difference which is due to the hot gas of a pressure vessel and the cold gas of the other pressure vessel.
  • With the pressure equalization takes place a heat flow, whereby the remaining heat energy in the one pressure vessel for heating the gas of the other
  • Pressure vessel is used to an equilibrium temperature. At the same time, the amount of gas in the pressure vessel increases with the expanding gas, thus increasing the pressure
  • the arrangement comprises two pressure vessels 1, 2, each having an upper injection port 3 for hot water and an upper injection port 4 for cold water and at its lower ends a connecting piece 5 for connection to a working circuit 6.
  • the hot water injection port 4 communicates with a heater 8 via a pipe 7, and the cold water injection port 4 communicates with a cooler 10 via a pipe 9.
  • each pressure vessel 1, 2 has a bore 12 provided with a horizontal wall 13. Above the wall 13, the inert gas and below the wall 13, the liquid piston pump 11 is present. In the bore 12 of the wall 13, a float valve is used, which projects into the region of the liquid piston pump 11 in order to limit its level.
  • each pressure vessel 1, 2 is connected on the one hand with the interposition of a valve 14 and a downstream double-piston 15 with the working circuit 6 and the other with the interposition of check valves 16 with a double-acting piston 17 in a first cylinder 18 which is connected via a col - 19 is connected to a double-acting piston 20 in a second cylinder 21.
  • the first cylinder 18 is connected on the side of the piston 17, which is coupled to the connecting piece 5, via a check valve 22 with a first reservoir 23 for a fluid 29, which in the present case is formed as water, which via a compressed gas line 24 with a Gas tank 25 for an inert gas 26 is in communication.
  • the first storage tank 23 is coupled to a second storage tank 27 for the fluid 29, which is likewise acted upon by the inert gas 26 and which communicates via pipelines 28 with the connecting piece 5 and with the cooling device 10 in order to increase the boost pressure ,
  • the first cylinder 18 is connected to the connecting piece 5 opposite side of the piston 17 for generating compressed air for the pneumatic components of the assembly via a compressed air line 30 to a wind chamber 31, wherein the compressed air line 30 an inlet 32 for the supply of air from the environment.
  • the second cylinder 21 is valve-controlled on the side facing the first cylinder 18 side of the piston 20 via fluid id 33 connected to the heater 8 and acted on the opposite side of the piston 20 with the inert gas 26, to which the second cylinder 21 via the compressed gas line 24th is in communication with both the gas container 25 and the storage containers 23, 27.
  • the pressure vessels 1, 2 with the working circuit 6 coupling double piston 15 are components of a separation device 34, both a thermal as Also causes a material separation of the media of the working circuit 6 and the liquid piston pump 11 and yet transmits the work performed by the liquid piston pump 11 work on the working circuit 6, which is filled with in a tank 35 vorratetem oil.
  • a hydraulic motor 36 is used in the working circuit 6, a hydraulic motor 36.
  • a pressure equalization between the pressure vessels 1 and 2 takes place initially valve-controlled via a short-circuit pipeline 38.
  • Injecting warm fluid 29 into the pressure vessel 2 causes the inert gas 26 present in this pressure vessel 2 to expand, displacing the displaceable piston of the liquid piston pump 11.
  • a pressure whose utilization in the working circuit 6 is not sensible technically, is used to drive the pistons 17, 20 in the first Zy ⁇ linder 17 and the second cylinder 20 to produce on the one hand compressed air and on the other hand, the fluid 29 heated to the Effect of the inert gas 26 to relax.
  • the double piston cylinder 15 for the displacement of its double piston 39 is just ⁇ if pressurized. Due to the stroke of the double piston 39, the oil in the working circuit 6 is set in motion to drive the hydraulic motor 36 in order to perform rotational work.
  • fluid 29 is ejected, which is conducted via the bore 12 into the liquid piston pump 11.
  • Cooling device 37

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)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)

Abstract

L'invention concerne un dispositif pour convertir de l'énergie thermique en énergie motrice qui comprend au moins deux récipients sous pression (1, 2) présentant chacun au moins une ouverture d'injection supérieure (3, 4) pour un fluide chaud et/ou froid (29), et chacun une pompe à piston liquide (11) couplée avec un circuit de travail (6) à l'intérieur des récipients sous pression (1, 2). Le circuit de travail (6) est en liaison d'écoulement par un dispositif de séparation (34) avec la pompe à piston liquide (11) pour que l'on ait aussi bien une séparation thermique qu'une séparation au niveau de la matière.
EP11708687A 2010-01-21 2011-01-19 Dispositif pour convertir de l'énergie thermique en énergie motrice Withdrawn EP2526281A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201010005232 DE102010005232A1 (de) 2010-01-21 2010-01-21 Anordnung zum Umwandeln von thermischer in motorische Energie
PCT/DE2011/000050 WO2011088821A2 (fr) 2010-01-21 2011-01-19 Dispositif pour convertir de l'énergie thermique en énergie motrice

Publications (1)

Publication Number Publication Date
EP2526281A2 true EP2526281A2 (fr) 2012-11-28

Family

ID=44307298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11708687A Withdrawn EP2526281A2 (fr) 2010-01-21 2011-01-19 Dispositif pour convertir de l'énergie thermique en énergie motrice

Country Status (3)

Country Link
EP (1) EP2526281A2 (fr)
DE (1) DE102010005232A1 (fr)
WO (1) WO2011088821A2 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2711509A3 (fr) * 2012-09-20 2015-02-25 Richter, Berta Procédé et moteur à combustion interne permettant de rendre exploitable les rejets thermiques ou la chaleur géothermique
DE202013011700U1 (de) 2013-02-07 2014-04-08 En3 Gmbh Anordnung zur direkten thermopneumatischen oder thermohydraulischen Umwandlung von Dampfenergie in Nutz-Energie
DE102013112196A1 (de) * 2013-02-18 2014-01-23 Ed. Züblin Ag Angenähert isotherm arbeitendes Druckluftspeicherkraftwerk mit Möglichkeit zum teiladiabatischen Betrieb bei hohem Leistungsbedarf
WO2014187558A2 (fr) * 2013-05-21 2014-11-27 Richter, Berta Procédé et moteur thermique pour exploiter des dégagement de chaleur ou de l'énergie géothermique
WO2015165581A2 (fr) * 2014-04-27 2015-11-05 Richter, Berta Procédé et moteur thermique pour exploiter de la chaleur perdue ou de la chaleur géothermique pour produire de l'énergie électrique
CN104389694B (zh) * 2014-09-29 2016-03-02 湖南科技大学 一种冷热腔独立式动力活塞的斯特林发动机
FR3029907B1 (fr) * 2014-12-10 2019-10-11 Centre National De La Recherche Scientifique Procede de purification de l'eau par osmose inverse et installation mettant en oeuvre un tel procede.
JP6872804B2 (ja) * 2015-12-17 2021-05-19 サーモレクトリック インダストリアル ソリューションズ ゲーエムベーハー 等圧多室容器、熱力学的エネルギー変換器および作動方法
US11199114B2 (en) * 2019-08-21 2021-12-14 Taiwan Happy Energy Co., Ltd. Devices, systems, and methods for generating power
DE102020002897A1 (de) * 2020-05-14 2021-11-18 Volker Blaufuß Energiegewinnungsmaschine mit einem großen Arbeitstemperaturbereich (Wärmepumpe"XXX-Strom" - Modifizierung Stirlingmotor)
DE102022114719A1 (de) 2022-06-10 2023-12-21 Hochschule Koblenz, Körperschaft des öffentlichen Rechts Vorrichtung und Verfahren zur Umsetzung quasi-isothermer Zustandsänderungen in Wärmekraft oder Arbeitsmaschinenprozessen

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US3830065A (en) * 1970-07-28 1974-08-20 Alister R Mc Vapor pressurized hydrostatic drive
DE3246633A1 (de) * 1982-12-16 1984-06-20 Franz X. Prof. Dr.-Ing. 8000 München Eder Waermekraftmaschine
US5222466A (en) * 1992-05-18 1993-06-29 Itzchak Gratziani Internal combustion engine with flexible/piston cylinder
DE19719190C2 (de) 1997-05-08 1999-02-25 Gerhard Stock Warmwassermotor zur Wandlung von thermischer in elektrische Energie
DE19909611C1 (de) 1999-03-05 2000-04-06 Gerhard Stock Gasausdehnungselement für eine Anordnung zum Umwandeln von thermischer in motorische Energie, insbesondere für einen Warmwassermotor
CA2482336A1 (fr) * 2002-02-28 2003-09-12 Nikolay Shkolnik Systeme generateur a combustion interne et a piston a liquide
DE10209998B4 (de) 2002-03-07 2004-04-08 Gerhard Stock Gasausdehnungselement für eine Anordnung zum Umwandeln von thermischer in motorische Energie
AUPS138202A0 (en) * 2002-03-27 2002-05-09 Lewellin, Richard Laurance Engine
DE102004003694A1 (de) * 2004-01-24 2005-11-24 Gerhard Stock Anordnung zum Umwandeln von thermischer in motorische Energie
AT502402B1 (de) * 2006-01-10 2007-03-15 Int Innovations Ltd Verfahren zur umwandlung thermischer energie in mechanische arbeit

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Also Published As

Publication number Publication date
WO2011088821A3 (fr) 2012-11-15
DE102010005232A1 (de) 2011-09-08
WO2011088821A2 (fr) 2011-07-28

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