RU2008152408A - METHOD AND DEVICE FOR TRANSFORMING THERMAL ENERGY INTO MECHANICAL WORK - Google Patents

METHOD AND DEVICE FOR TRANSFORMING THERMAL ENERGY INTO MECHANICAL WORK Download PDF

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Publication number
RU2008152408A
RU2008152408A RU2008152408/06A RU2008152408A RU2008152408A RU 2008152408 A RU2008152408 A RU 2008152408A RU 2008152408/06 A RU2008152408/06 A RU 2008152408/06A RU 2008152408 A RU2008152408 A RU 2008152408A RU 2008152408 A RU2008152408 A RU 2008152408A
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RU
Russia
Prior art keywords
working
hydraulic
pneumatic
medium
heat exchanger
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RU2008152408/06A
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Russian (ru)
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RU2429365C2 (en
Inventor
Михель МАЙЕР (AT)
Михель МАЙЕР
Бернд Петер ПФАЙФЕР (AT)
Бернд Петер ПФАЙФЕР
Франц Петер ЕГЕЛЬ (AT)
Франц Петер ЕГЕЛЬ
Стив ХАРГРИВЗ (AU)
Стив ХАРГРИВЗ
Original Assignee
Интернэшнл Инновейшнз Лимитед (Au)
Интернэшнл Инновейшнз Лимитед
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Publication of RU2008152408A publication Critical patent/RU2008152408A/en
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Publication of RU2429365C2 publication Critical patent/RU2429365C2/en

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Classifications

    • 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
    • F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
    • F02G5/02—Profiting from waste heat of exhaust gases
    • 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
    • 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
    • F01K23/10—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 with exhaust fluid of one cycle heating the fluid in another cycle
    • 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

Abstract

The invention relates to a method for converting thermal energy into mechanical work. Said method comprises the following steps which are performed as a cycle: A liquid work medium is fed from a supply reservoir (1) to a work container (3); the work medium in the work container (3) is heated by a first heat exchanger (5); a sub-amount of the work medium flows from the work container (3) to a pneumatic-hydraulic-converter (8), a hydraulic medium from the pneumatic-hydraulic-converter (8) is compressed in a work machine (9) in order to convert the hydraulic work of the hydraulic medium into mechanical work; the work medium from the pneumatic-hydraulic-converter (8) is fed back into the supply reservoir (1) and the hydraulic medium is returned into the pneumatic-hydraulic-converter (8). The invention also relates to a device for carrying out said method.

Claims (22)

1. Способ для преобразования термической энергии в механическую работу со следующими этапами, которые выполняются в качестве кругового процесса:1. A method for converting thermal energy into mechanical work with the following steps, which are performed as a circular process: подводят жидкую рабочую среду от сборного аккумулятора (1) в рабочий резервуар (3);bring the liquid working medium from the collection battery (1) into the working tank (3); нагревают рабочую среду в рабочем резервуаре (3) с помощью первого теплообменника (5);heating the working medium in the working tank (3) using the first heat exchanger (5); перепускают частичное количество рабочей среды из рабочего резервуара (3) в пневматико-гидравлический преобразователь (8), в результате чего гидравлическая среда выжимается из пневматико-гидравлического преобразователя (8) в рабочую машину (9) для преобразования гидравлической работы гидравлической среды в механическую работу;a partial amount of the working medium is passed from the working reservoir (3) to the pneumatic-hydraulic converter (8), as a result of which the hydraulic medium is squeezed from the pneumatic-hydraulic converter (8) into the working machine (9) to convert the hydraulic work of the hydraulic medium into mechanical work; возвращают рабочую среду из пневматико-гидравлического преобразователя (8) в сборный аккумулятор (1), причем гидравлическую среду возвращают в пневматико-гидравлический преобразователь (8).the working medium is returned from the pneumatic-hydraulic converter (8) to the collection battery (1), and the hydraulic medium is returned to the pneumatic-hydraulic converter (8). 2. Способ по п.1, отличающийся тем, что рабочую среду сжимают с первого, более низкого давления в сборном аккумуляторе (1) до второго, более высокого давления в рабочем резервуаре (3).2. The method according to claim 1, characterized in that the working medium is compressed from the first, lower pressure in the collection battery (1) to the second, higher pressure in the working tank (3). 3. Способ по п.1, отличающийся тем, что рабочую среду переводят из сборного аккумулятора (1) в рабочий резервуар (3) в жидкой форме.3. The method according to claim 1, characterized in that the working medium is transferred from the collection battery (1) to the working tank (3) in liquid form. 4. Способ по п.1, отличающийся тем, что рабочую среду при нагревании в рабочем резервуаре (3) частично испаряют и в газообразном состоянии направляют из рабочего резервуара (3) в пневматико-гидравлический преобразователь (8).4. The method according to claim 1, characterized in that the working medium is partially evaporated when heated in the working tank (3) and sent in a gaseous state from the working tank (3) to a pneumatic-hydraulic converter (8). 5. Способ по п.1 или 4, отличающийся тем, что рабочую среду в рабочем резервуаре (3) нагревают изохорно.5. The method according to claim 1 or 4, characterized in that the working medium in the working tank (3) is heated isochorically. 6. Способ по п.1, отличающийся тем, что во время возврата рабочей среды из пневматико-гидравлического преобразователя (8) в сборный аккумулятор (1) соединение между рабочим резервуаром (3) и пневматико-гидравлическим преобразователем (8) прерывают с помощью вентиля (7а) или подобного устройства.6. The method according to claim 1, characterized in that during the return of the working medium from the pneumatic-hydraulic converter (8) to the collection battery (1), the connection between the working reservoir (3) and the pneumatic-hydraulic converter (8) is interrupted by a valve (7a) or the like. 7. Способ по п.1, отличающийся тем, что рабочую среду при подводе от сборного аккумулятора (1) в рабочий резервуар (3) охлаждают с помощью теплообменника (15).7. The method according to claim 1, characterized in that the working medium when supplied from a collection battery (1) into the working tank (3) is cooled using a heat exchanger (15). 8. Способ по п.1, отличающийся тем, что гидравлическую среду с помощью теплообменника поддерживают при температуре, которая соответствует средней температуре рабочей среды в пневматико-гидравлическом преобразователе (8).8. The method according to claim 1, characterized in that the hydraulic medium by means of a heat exchanger is maintained at a temperature that corresponds to the average temperature of the working medium in a pneumatic-hydraulic converter (8). 9. Способ по п.1, отличающийся тем, что рабочую среду проводят из пневматико-гидравлического преобразователя (8) через второй теплообменник (16).9. The method according to claim 1, characterized in that the working medium is carried out from a pneumatic-hydraulic converter (8) through a second heat exchanger (16). 10. Способ по п.1, отличающийся тем, что рабочая среда из пневматико-гидравлического преобразователя (8) расширяется до давления разрежения, которое лежит ниже первого давления в сборном аккумуляторе (1), и затем сжимается до первого давления.10. The method according to claim 1, characterized in that the working medium from the pneumatic-hydraulic Converter (8) expands to a vacuum pressure that lies below the first pressure in the collection battery (1), and then is compressed to the first pressure. 11. Устройство для преобразования термической энергии в механическую работу со сборным аккумулятором (1), рабочим резервуаром (3) и рабочей машиной для преобразования гидравлической работы в механическую работу, отличающееся тем, что рабочий резервуар (3) соединен с первым теплообменником (5) для нагревания рабочей среды, рабочий резервуар (3), кроме того, соединен с пневматико-гидравлическим преобразователем (8) для переноса давления рабочей среды на гидравлическую среду, и предусмотрена линия возврата рабочей среды из пневматико-гидравлического преобразователя (8) в сборный аккумулятор (1).11. A device for converting thermal energy into mechanical work with a collection battery (1), a working reservoir (3) and a working machine for converting hydraulic work into mechanical work, characterized in that the working reservoir (3) is connected to the first heat exchanger (5) for heating of the working medium, the working reservoir (3), in addition, is connected to a pneumatic-hydraulic converter (8) for transferring the pressure of the working medium to the hydraulic medium, and a line for returning the working medium from the pneumatic-hydraulic converter (8) to the collection battery (1). 12. Устройство по п.11, отличающееся тем, что предусмотрен питающий насос (2) для перекачивания рабочей среды из сборного аккумулятора (1) в рабочий резервуар (3).12. The device according to claim 11, characterized in that a feed pump (2) is provided for pumping the working medium from the collection battery (1) to the working tank (3). 13. Устройство по п.11 или 12, отличающееся тем, что первый теплообменник (5) встроен в рабочий резервуар (3).13. The device according to claim 11 or 12, characterized in that the first heat exchanger (5) is integrated into the working tank (3). 14. Устройство по п.11, отличающееся тем, что рабочая машина (9) выполнена в виде гидравлического двигателя.14. The device according to claim 11, characterized in that the working machine (9) is made in the form of a hydraulic motor. 15. Устройство по п.11, отличающееся тем, что пневматико-гидравлический преобразователь (8) выполнен в виде гидроаккумулятора.15. The device according to claim 11, characterized in that the pneumatic-hydraulic converter (8) is made in the form of a hydraulic accumulator. 16. Устройство по п.11, отличающееся тем, что между пневматико-гидравлическим преобразователем (8) и сборным аккумулятором (1) расположен второй теплообменник (16).16. The device according to claim 11, characterized in that a second heat exchanger (16) is located between the pneumatic-hydraulic converter (8) and the collection battery (1). 17. Устройство по п.16, отличающееся тем, что второй теплообменник (16) выполнен в виде конденсатора.17. The device according to clause 16, characterized in that the second heat exchanger (16) is made in the form of a condenser. 18. Устройство по п.16 или 17, отличающееся тем, что вниз по потоку от второго теплообменника (16) предусмотрен транспортирующий насос.18. The device according to item 16 or 17, characterized in that a transport pump is provided downstream of the second heat exchanger (16). 19. Устройство по п.11, отличающееся тем, что рабочий резервуар (3) выполнен в виде испарителя.19. The device according to claim 11, characterized in that the working reservoir (3) is made in the form of an evaporator. 20. Устройство по п.11, отличающееся тем, что в контуре гидравлической среды расположен третий теплообменник (11).20. The device according to claim 11, characterized in that a third heat exchanger (11) is located in the hydraulic medium circuit. 21. Устройство по п.11, отличающийся тем, что предусмотрен двигатель внутреннего сгорания, который содержит охлаждающее устройство, которое соединено с рабочим резервуаром (3).21. The device according to claim 11, characterized in that an internal combustion engine is provided, which comprises a cooling device that is connected to a working reservoir (3). 22. Устройство по п.11, отличающееся тем, что несколько рабочих резервуаров (3) и пневматико-гидравлический преобразователь (8) включены параллельно. 22. The device according to claim 11, characterized in that several working tanks (3) and a pneumatic-hydraulic converter (8) are connected in parallel.
RU2008152408/06A 2006-06-01 2007-05-24 Procedure and device for conversion of thermal energy into mechanical work RU2429365C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA950/2006 2006-06-01
AT0095006A AT503734B1 (en) 2006-06-01 2006-06-01 METHOD FOR CONVERTING THERMAL ENERGY TO MECHANICAL WORK

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RU2008152408A true RU2008152408A (en) 2010-07-20
RU2429365C2 RU2429365C2 (en) 2011-09-20

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US (1) US20090229265A1 (en)
EP (1) EP2029878B1 (en)
JP (1) JP2009539005A (en)
KR (1) KR20090018619A (en)
CN (1) CN101484683B (en)
AT (2) AT503734B1 (en)
AU (1) AU2007266295A1 (en)
BR (1) BRPI0712746A2 (en)
CA (1) CA2652928A1 (en)
DE (1) DE502007005619D1 (en)
ES (1) ES2356091T3 (en)
MX (1) MX2008015306A (en)
RU (1) RU2429365C2 (en)
WO (1) WO2007137315A2 (en)
ZA (1) ZA200809859B (en)

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Publication number Publication date
CN101484683A (en) 2009-07-15
JP2009539005A (en) 2009-11-12
WO2007137315A3 (en) 2008-12-04
CA2652928A1 (en) 2007-12-06
RU2429365C2 (en) 2011-09-20
DE502007005619D1 (en) 2010-12-23
ZA200809859B (en) 2009-11-25
AT503734A1 (en) 2007-12-15
WO2007137315A2 (en) 2007-12-06
KR20090018619A (en) 2009-02-20
AU2007266295A1 (en) 2007-12-06
ATE487868T1 (en) 2010-11-15
MX2008015306A (en) 2009-03-06
US20090229265A1 (en) 2009-09-17
EP2029878A2 (en) 2009-03-04
EP2029878B1 (en) 2010-11-10
ES2356091T3 (en) 2011-04-04
CN101484683B (en) 2012-02-22
AT503734B1 (en) 2008-11-15
BRPI0712746A2 (en) 2012-09-11

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