EP1404948B1 - Systeme d'elements d'expansion gazeuse et procede d'utilisation - Google Patents

Systeme d'elements d'expansion gazeuse et procede d'utilisation Download PDF

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Publication number
EP1404948B1
EP1404948B1 EP02754307A EP02754307A EP1404948B1 EP 1404948 B1 EP1404948 B1 EP 1404948B1 EP 02754307 A EP02754307 A EP 02754307A EP 02754307 A EP02754307 A EP 02754307A EP 1404948 B1 EP1404948 B1 EP 1404948B1
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EP
European Patent Office
Prior art keywords
gas
pressure
gas mixture
short
pressure vessel
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Expired - Lifetime
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EP02754307A
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German (de)
English (en)
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EP1404948A1 (fr
Inventor
Gerhard Stock
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    • 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
    • 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
    • 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

Definitions

  • the invention relates to an arrangement of gas expansion elements for a device for converting thermal into motor energy, in particular for a hot water engine, comprising two filled with a gas or gas mixture closed pressure vessel, which are operatively connected to the device and an upper injection port for warm - And have cold water, and a method for operating the arrangement.
  • an expansion element which expands and contracts as a function of the temperature of the medium is arranged, the temperature-induced expansions and contractions of which are fed to the working circuit via a buffer reservoir.
  • Each spring is associated with the piston of a pressure cylinder whose working space is connected in each case via controllable valves via suction and pressure lines with a working oil circuit, which has a turbine with each heat exchanger for storing a force drives a generator.
  • This arrangement has a relatively complex structure, in particular by the designed as springs buffer memory, and comprises the previously discussed disadvantages of a heat exchanger.
  • 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 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 drain opening.
  • a 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, a warm, expanding gas or gas mixture is present in the first pressure vessel 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 pressure vessel is heated by injecting hot water, so that the gas volumes change accordingly.
  • 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.
  • the object is achieved in that between the two pressure vessels a short-circuit pipe is provided with at least one controllable valve for pressure equalization between the pressure vessels after performing the work of the gas or gas mixture.
  • each to be heated pressure vessel located in each to be heated pressure vessel, a larger amount of the gas mixture, which ultimately performs the work to drive the hot water engine through its expansion, and at the same time the amount of the cooled gas mixture in the other pressure vessel is lower and the lowering of the outlet pressure over a conventional Arrangement larger, resulting in a shift of a corresponding pV diagram in the desired direction.
  • the short-circuit pipe is arranged in the upper region of the pressure vessel.
  • this area of the pressure vessel in which a flange or a lid is located, neither hot nor cold water is present, so that the gas mixture can pass undisturbed through the open valve in the short-circuit pipe.
  • the gas mixture with the highest temperature is approximately in this range.
  • a controllable valve is preferably arranged in the region adjoining the associated pressure vessel in the short-circuit pipeline.
  • the short-circuit piping with the valves is expediently thermally insulated.
  • the object is achieved in a method for operating an arrangement according to claim 1, wherein in the pressure vessel alternately hot and cold water is injected, achieved in that after the transfer of the work of the gas or gas mixture of the pressure vessel, the gas or gas mixture by opening of the controllable valve is passed via the short-circuit pipe in the other pressure vessel.
  • the valve is opened in the short-circuit piping for pressure equalization between the two pressure vessels and by the prevailing convection of the warm Gas mixture sets a compensation temperature between the two pressure vessels.
  • a part of the gas or gas mixture is passed into the other pressure vessel after the transfer of the usable expansion work of the gas or gas mixture of a pressure vessel. Since an economically meaningful working phase of the gas mixture does not correspond to the entire expansion period of the gas mixture is by opening the valve, the working phase, ie the usable expansion work of the gas mixture, finished and used its residual energy to increase the pressure and to heat the gas mixture of the other pressure vessel.
  • the arrangement comprises a reservoir 1 for water with a level indicator 2, which via pipes 3 with a Cooling 4 and a heater 5 is connected. From the cooling 4 and the heating device 5, a pipe 6 leads to a controlled injection opening 7, 8 of a pressure vessel 9, 10.
  • the closed pressure vessels 9, 10 are filled with a gas mixture.
  • a short-circuit pipe 11 is arranged, which has a controllable valve 12, 13 in the region of each pressure vessel 9, 10.
  • an outlet opening 14, 15 is provided, which is coupled to a working circuit 16, which comprises two liquid piston pumps 17, 18 of a hot water engine and a turbine 19 with generator.
  • a pump 21 is inserted into the working circuit 16 connected to the storage container 1 via a line 20.
  • hot water is treated in the heating device 5, which passes via the first injection opening 7 into the first pressure vessel 9.
  • the gas mixture expands and performs work via a displaceable piston 22 of the first liquid piston pump 17, which is supplied via the working circuit 16 to the turbine 19 for the conversion of thermal energy.
  • the water which is discharged via the associated outlet opening 14 drops out.
  • cold water is treated in the cooling device 4, which passes via the second injection opening 8 into the second pressure vessel 10.
  • the gas mixture contracts and also performs the displaceable Piston 22 of the second liquid piston pump 18 work.
  • the two valves 12, 13 of the short-circuit pipe 11 are opened and due to the pressure compensation, a temperature compensation is effected up to a compensation temperature between the first pressure vessel 9 and the second pressure vessel 10.
  • Hot water is then injected into the second pressure vessel 10 and cold water is sprayed into the first pressure vessel 9. Due to the fact that the gas mixtures of both pressure vessels 9, 10 are at the balancing temperature, unnecessary heating or cooling of the particular gas mixture is not required, as a result of which the arrangement has a relatively high output.
  • the pressure-time diagram (pt) initially shows a conventional course of the process in which the pressure p ' max of the first pressure vessel 8 drops to the pressure p' min , wherein at the time t e cold water is injected and the gas mixture in the period .DELTA.t a performed work.
  • the pressure of the second pressure vessel 10 increases from the pressure p ' min to the pressure p' max , wherein at time t e hot water is injected into the second pressure vessel 10 and the gas mixture in the period .DELTA.t a work also done to drive the liquid piston pump 14.
  • no work is done and the residual pressure in the pressure vessels 9, 10 is lost to the system.
  • the valves 12, 13 are opened at time t k and a pressure equalization takes place between the first pressure vessel 9 and the second pressure vessel 10. Sonach is in the first pressure vessel 9 with the now expanding gas mixture, a relatively large amount of the gas mixture and in the second pressure vessel 10, a reduced amount of the gas mixture. At the same time, an equilibrium temperature arises approximately in the pressure vessels 9, 10 due to the heat flow.

Claims (7)

  1. Agencement d'éléments permettant la dilatation de gaz et composant un équipement destiné à convertir de l'énergie thermique en énergie motrice, notamment pour un moteur à eau chaude, équipement qui comprend deux réservoirs sous pression (9, 10) fermés et remplis d'un gaz ou mélange gazeux, qui sont reliés avec l'équipement de façon productrice d'effet et présentent un orifice supérieur d'injection (7, 8) pour l'eau chaude et l'eau froide, caractérisé en ce qu'entre les deux réservoirs sous pression (9, 10) se trouve une conduite de court-circuit (11) équipée d'au minimum une vanne pilotable (12, 13) servant à équilibrer la pression entre les réservoirs sous pression (9, 10) après que le gaz ou le mélange gazeux a accompli son travail.
  2. Agencement selon la revendication 1, caractérisé en ce que la conduite de court-circuit (11) est agencée dans la partie supérieure du réservoir sous pression (9, 10).
  3. Agencement selon la revendication 1, caractérisé en ce qu'une vanne pilotable respective (12, 13) est agencée sur la conduite de court-circuit (11) dans la zone jouxtant immédiatement le réservoir sous pression (9, 10) affecté à ladite vanne.
  4. Agencement selon l'une des revendications 1 à 3, caractérisé en ce que la conduite de court circuit (11) et les vannes (12 et 13) sont thermo-isolées.
  5. Procédé servant à exploiter un agencement selon la revendication 1, agencement dans lequel l'on injecte en alternance de l'eau chaude et de l'eau froide dans les réservoirs sous pression (9, 10), caractérisé en ce qu'après avoir transmis l'énergie développée par le gaz ou le mélange gazeux présent dans l'un des réservoirs sous pression (9, 10), le gaz ou le mélange gazeux est conduit - après ouverture de la vanne pilotable (12, 13) montée sur la conduite de court-circuit (11) - vers l'autre réservoir sous pression (9, 10).
  6. Procédé selon la revendication 5, caractérisé en ce qu'après transmission de l'énergie exploitable développée par l'expansion du gaz ou du mélange gazeux présent dans l'un des réservoirs (9, 10), une partie du gaz ou du mélange gazeux est conduite vers l'autre réservoir sous pression (9, 10).
  7. Agencement selon les revendications 5 ou 6, caractérisé en ce que deux vannes pilotables (12 13) montées sur la conduite de court-circuit (11) s'ouvrent et se ferment approximativement en même temps.
EP02754307A 2001-07-07 2002-07-03 Systeme d'elements d'expansion gazeuse et procede d'utilisation Expired - Lifetime EP1404948B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10133153 2001-07-07
DE10133153A DE10133153C1 (de) 2001-07-07 2001-07-07 Anordnung von Gasausdehnungselementen und Verfahren zum Betreiben der Anordnung
PCT/DE2002/002416 WO2003004835A1 (fr) 2001-07-07 2002-07-03 Systeme d'elements d'expansion gazeuse et procede d'utilisation

Publications (2)

Publication Number Publication Date
EP1404948A1 EP1404948A1 (fr) 2004-04-07
EP1404948B1 true EP1404948B1 (fr) 2009-02-11

Family

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Application Number Title Priority Date Filing Date
EP02754307A Expired - Lifetime EP1404948B1 (fr) 2001-07-07 2002-07-03 Systeme d'elements d'expansion gazeuse et procede d'utilisation

Country Status (11)

Country Link
US (1) US20040237525A1 (fr)
EP (1) EP1404948B1 (fr)
JP (1) JP2004532953A (fr)
KR (1) KR20040018424A (fr)
AT (1) ATE422602T1 (fr)
BR (1) BR0211238A (fr)
CA (1) CA2453017A1 (fr)
DE (2) DE10133153C1 (fr)
MX (1) MXPA04000011A (fr)
NO (1) NO20040036L (fr)
WO (1) WO2003004835A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004003694A1 (de) * 2004-01-24 2005-11-24 Gerhard Stock Anordnung zum Umwandeln von thermischer in motorische Energie
US20060059912A1 (en) * 2004-09-17 2006-03-23 Pat Romanelli Vapor pump power system
SE537960C2 (sv) * 2012-09-20 2015-12-08 Isa Wachtmeister Förfarande och anläggning för lokal och småskalig produktionav elektricitet genom förbränning av förnyelsebart bränsle
US9341165B2 (en) 2012-12-20 2016-05-17 Howard G. Hoose, JR. Power generation system and method of use thereof
NO335230B1 (no) * 2013-02-19 2014-10-27 Viking Heat Engines As Anordning og framgangsmåte for drifts- og sikkerhetsregulering ved en varmekraftmaskin
CN105649699A (zh) 2014-11-19 2016-06-08 郭颂玮 一种超临界高效发电系统
CN113865909A (zh) * 2021-10-11 2021-12-31 江苏国富氢能技术装备股份有限公司 一种制冷膨胀机性能测试装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3100965A (en) * 1959-09-29 1963-08-20 Charles M Blackburn Hydraulic power supply
US3901033A (en) * 1972-02-28 1975-08-26 Roy E Mcalister Vapor pressurized hydrostatic drive
US3803847A (en) * 1972-03-10 1974-04-16 Alister R Mc Energy conversion system
US4063417A (en) * 1976-02-04 1977-12-20 Carrier Corporation Power generating system employing geothermally heated fluid
US4283915A (en) * 1976-04-14 1981-08-18 David P. McConnell Hydraulic fluid generator
GB9522231D0 (en) * 1995-10-31 1996-01-03 Dantec Services Ltd Method and apparatus for driving a rotor
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

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Publication number Publication date
ATE422602T1 (de) 2009-02-15
JP2004532953A (ja) 2004-10-28
NO20040036L (no) 2004-01-08
WO2003004835A1 (fr) 2003-01-16
CA2453017A1 (fr) 2003-01-16
DE50213273D1 (de) 2009-03-26
MXPA04000011A (es) 2005-06-06
US20040237525A1 (en) 2004-12-02
BR0211238A (pt) 2004-08-10
DE10133153C1 (de) 2002-07-11
EP1404948A1 (fr) 2004-04-07
KR20040018424A (ko) 2004-03-03

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