EP1404948A1 - Anordnung von gasausdehnungselementen und verfahren zum betreiben der anordnung - Google Patents
Anordnung von gasausdehnungselementen und verfahren zum betreiben der anordnungInfo
- Publication number
- EP1404948A1 EP1404948A1 EP02754307A EP02754307A EP1404948A1 EP 1404948 A1 EP1404948 A1 EP 1404948A1 EP 02754307 A EP02754307 A EP 02754307A EP 02754307 A EP02754307 A EP 02754307A EP 1404948 A1 EP1404948 A1 EP 1404948A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- pressure
- gas mixture
- pressure vessel
- short
- 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.)
- Granted
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
-
- 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, which comprises two closed pressure vessels filled with a gas or gas mixture, which are effectively connected to the device and an upper injection opening for warm - And have cold water, and a method for operating the arrangement.
- DE 197 19 190 C2 discloses an arrangement for converting thermal into electrical energy, which consists of a working circuit with a working fluid for driving a flow machine and a multiplicity of heat exchangers alternately flowed through by a cold and warm medium.
- an expansion element which expands and contracts depending on the temperature of the medium, the temperature-related expansions and contractions of which are fed to the working circuit via a buffer store.
- each heat exchanger is assigned a buffer memory designed as a spring, with each spring being connected to the piston of a pressure cylinder, the work space of which is connected to a working oil circuit via controllable valves via suction and pressure lines, the e ne turbine with a generator.
- This arrangement has and comprises a relatively complex structure, in particular due to the buffer stores designed as springs the disadvantages of a heat exchanger explained above.
- WO 00/53898 describes a gas expansion element for an arrangement for converting thermal energy into motor energy, in particular for a hot water engine, consisting of a closed pressure container filled with a gas or gas mixture, which is effectively connected to the arrangement via a displaceable piston , known.
- the pressure vessel has an upper injection opening for hot and cold water and a lower water drain opening.
- a hot water engine comprises two groups of pressure vessels with associated liquid piston pumps, which act on a working cycle of a water turbine. During a first cycle, a warm, expanding gas or gas mixture is present in the first pressure container and the second pressure container 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 gas mixture still containing hot water is rinsed out with cold water in the first pressure vessel until the temperature in this pressure vessel is reduced to an initial level. The remaining thermal energy is lost.
- the object is achieved in such a way that a short-circuit pipeline with at least one controllable valve for pressure equalization between the pressure vessels after the work of the gas or gas mixture has been provided between the two pressure vessels.
- the valve is opened by appropriate expansion or contracting and the associated driving of a displaceable piston of the hot water engine, the piston being able to be designed as a liquid piston pump. Since the gas mixture heated in a first cycle is cooled in a subsequent second cycle, it is necessary (to lower the temperature of the gas mixture of this container below the equilibrium temperature, the remaining heat of the gas mixture being used to heat the cooled and now to heating gas mixture is used. The residual heat is therefore not lost unused, which is why a relatively large output is achieved with a relatively low technical outlay. The residual heat also does not get into the working circuit of the hot water motor, from which it had to be extracted.
- the short-circuit pipeline is arranged in the upper region of the pressure vessel.
- this area of the pressure vessel in which there is a flange or a cover, there is neither hot nor cold water, which is why the gas mixture can get into the short-circuit pipeline undisturbed through the open valve.
- the gas mixture with the highest temperature is approximately in this range.
- a controllable valve is preferably arranged in the area in the short-circuit pipeline directly adjacent to the associated pressure vessel.
- the short-circuit pipeline with the valves is expediently thermally insulated.
- the object is achieved according to the invention in a method for operating an arrangement according to claim 1, in which hot and cold water is alternately injected into the pressure vessels, in that after the transfer of the work of the gas or gas mixture one of the pressure vessels has opened the gas or gas mixture of the controllable valve via the short-circuit pipeline into the other pressure vessel.
- the valve in the short-circuit pipeline is opened for pressure equalization between the two pressure vessels and by the prevailing one Convection of the warm gas mixture creates an equalizing temperature between the two pressure vessels.
- part of the gas or gas mixture is passed into the other pressure vessel. Since an economically sensible working phase of the gas mixture does not correspond to the entire expansion time of the gas mixture, by opening the valve, the work phase, i.e. the usable expansion work of the gas mixture, is ended and its residual energy is used to increase the pressure and to heat the gas mixture of the other pressure vessel.
- Two controllable valves of the short-circuit pipeline are expediently opened and closed almost simultaneously.
- the pressure equalization which results in a heat flow from one to the other pressure vessel, can thus be controlled in a targeted manner and the dead space in the short-circuit pipeline is minimized.
- Fig.3 e ne representation of a pressure-time diagram to represent the cycle of the arrangement.
- the arrangement comprises a storage container 1 for water with a full level indicator 2, which is connected to a pipe 3 Cooling 4 and a heating device 5 is connected.
- a pipe 6 leads from the cooling device 4 and the heating device 5 to a controlled injection opening 7, 8 of a pressure container 9, 10.
- the closed pressure containers 9, 10 are filled with a gas mixture.
- a short-circuit pipeline 11 is arranged between the two pressure vessels 9, 10 and has a controllable valve 12, 13 in the region of each pressure vessel 9, 10.
- At the lower end of each pressure vessel 9, 10 there is an outlet opening 14, 15 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 in the working circuit 16 connected to the storage container 1 via a line 20 m.
- hot water is prepared in the heating device 5, which reaches the first pressure vessel 9 via the first injection opening 7.
- the gas mixture expands and does work via a displaceable piston 22 of the first liquid piston pump 17, which is supplied to the turbine 19 for converting thermal energy via the working circuit 16.
- the water fails, which is drained off via the associated outlet opening 14.
- cold water is prepared in the cow device 4 and reaches the second pressure vessel 10 via the second injection opening 8.
- the gas mixture contracts and also performs via the displaceable one Piston 22 of the second liquid piston pump 18 work.
- the two valves 12, 13 of the short-circuit pipeline 11 are opened and, due to the pressure compensation, a temperature compensation up to a compensation temperature between the first pressure container 9 and the second pressure container 10 is effected.
- hot water is sprayed into the second pressure vessel 10 and cold water into the first pressure vessel 9. Because the gas mixtures of both pressure vessels 9, 10 are at the compensation temperature, unnecessary heating or cooling of the respective gas mixture is not necessary, as a result of which the arrangement has a relatively high output.
- the cycle of a conventional arrangement is schematically compared to that of an arrangement according to the invention, the pressure-temperature curves of a conventional arrangement being shown with solid lines and those of the arrangement according to the invention with dashed lines. Accordingly, the work W ⁇ performed by a conventional arrangement is smaller than the work W performed by an arrangement according to the invention.
- 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 'mm, cold water being injected at the time t e and the gas mixture does work in the period ⁇ t a .
- the pressure of the second pressure vessel 10 increases from the pressure p 'm m to the pressure p' ma ⁇ , with hot water at the time t e is injected into the second pressure vessel 10 and the gas mixture n for the time period ⁇ t a also does work for driving the liquid piston pump 14. No work is done during the time period ⁇ ti and the residual pressure in the pressure vessels 9, 10 is lost to the system.
Description
Claims
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 (de) | 2001-07-07 | 2002-07-03 | Anordnung von gasausdehnungselementen und verfahren zum betreiben der anordnung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1404948A1 true EP1404948A1 (de) | 2004-04-07 |
EP1404948B1 EP1404948B1 (de) | 2009-02-11 |
Family
ID=7691075
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02754307A Expired - Lifetime EP1404948B1 (de) | 2001-07-07 | 2002-07-03 | Anordnung von gasausdehnungselementen und verfahren zum betreiben der anordnung |
Country Status (11)
Country | Link |
---|---|
US (1) | US20040237525A1 (de) |
EP (1) | EP1404948B1 (de) |
JP (1) | JP2004532953A (de) |
KR (1) | KR20040018424A (de) |
AT (1) | ATE422602T1 (de) |
BR (1) | BR0211238A (de) |
CA (1) | CA2453017A1 (de) |
DE (2) | DE10133153C1 (de) |
MX (1) | MXPA04000011A (de) |
NO (1) | NO20040036L (de) |
WO (1) | WO2003004835A1 (de) |
Families Citing this family (7)
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)
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 |
-
2001
- 2001-07-07 DE DE10133153A patent/DE10133153C1/de not_active Expired - Fee Related
-
2002
- 2002-07-03 US US10/482,973 patent/US20040237525A1/en not_active Abandoned
- 2002-07-03 JP JP2003510578A patent/JP2004532953A/ja active Pending
- 2002-07-03 EP EP02754307A patent/EP1404948B1/de not_active Expired - Lifetime
- 2002-07-03 DE DE50213273T patent/DE50213273D1/de not_active Expired - Lifetime
- 2002-07-03 CA CA002453017A patent/CA2453017A1/en not_active Abandoned
- 2002-07-03 KR KR10-2004-7000000A patent/KR20040018424A/ko not_active Application Discontinuation
- 2002-07-03 MX MXPA04000011A patent/MXPA04000011A/es not_active Application Discontinuation
- 2002-07-03 AT AT02754307T patent/ATE422602T1/de active
- 2002-07-03 WO PCT/DE2002/002416 patent/WO2003004835A1/de active Application Filing
- 2002-07-03 BR BR0211238-8A patent/BR0211238A/pt not_active IP Right Cessation
-
2004
- 2004-01-06 NO NO20040036A patent/NO20040036L/no unknown
Non-Patent Citations (1)
Title |
---|
See references of WO03004835A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE422602T1 (de) | 2009-02-15 |
WO2003004835A1 (de) | 2003-01-16 |
JP2004532953A (ja) | 2004-10-28 |
MXPA04000011A (es) | 2005-06-06 |
US20040237525A1 (en) | 2004-12-02 |
BR0211238A (pt) | 2004-08-10 |
CA2453017A1 (en) | 2003-01-16 |
DE50213273D1 (de) | 2009-03-26 |
DE10133153C1 (de) | 2002-07-11 |
EP1404948B1 (de) | 2009-02-11 |
KR20040018424A (ko) | 2004-03-03 |
NO20040036L (no) | 2004-01-08 |
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