WO1999022189A1 - Moteur thermique a difference de temperature negative - Google Patents

Moteur thermique a difference de temperature negative Download PDF

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Publication number
WO1999022189A1
WO1999022189A1 PCT/CN1998/000256 CN9800256W WO9922189A1 WO 1999022189 A1 WO1999022189 A1 WO 1999022189A1 CN 9800256 W CN9800256 W CN 9800256W WO 9922189 A1 WO9922189 A1 WO 9922189A1
Authority
WO
WIPO (PCT)
Prior art keywords
stage
expansion unit
heat
evaporator
working fluid
Prior art date
Application number
PCT/CN1998/000256
Other languages
English (en)
Chinese (zh)
Inventor
Yuanming Yi
Original Assignee
Yuanming Yi
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 Yuanming Yi filed Critical Yuanming Yi
Priority to AU96194/98A priority Critical patent/AU9619498A/en
Publication of WO1999022189A1 publication Critical patent/WO1999022189A1/fr

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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
    • F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system

Definitions

  • the present invention relates to a heat engine, and more particularly, to a negative temperature difference heat engine that utilizes the energy of a negative temperature difference from low temperature to normal temperature to perform work. Background technique
  • the object of the present invention is to provide a new negative temperature difference thermal engine, which adopts pure phase change athermal refrigeration technology, utilizes the cooling capacity efficiently obtained by the pure phase change athermal refrigeration device, forms an artificial low temperature environment, and then uses the artificial low temperature environment.
  • the energy work of the negative temperature difference from the normal temperature environment provides a power device that can be widely used and can develop and utilize clean energy on a large scale.
  • a negative temperature difference heat engine Its basic components are similar to that of a heat steam engine using water as a working medium. It includes an evaporator that absorbs heat from a liquid working medium and vaporizes it into pressure steam. The pressure steam is made through pressure reduction and temperature reduction turbines.
  • a multi-stage refrigeration cycle using pure phase-change athermal refrigeration technology which includes a first-stage vapor compression refrigeration cycle device consisting of a refrigeration compressor, a condenser, a throttle, and an evaporator to provide the original refrigeration capacity, and a subcooled liquid working medium
  • the same thermal cycle is formed.
  • the thermal work cycle is composed of a working medium pump, an evaporator, a turbine expansion unit, a condensing space, a connecting pipe, and a liquid working medium having a boiling point of 4 degrees below the natural environment temperature.
  • the external cooling is provided;
  • One end of the working fluid pump is connected to the intermediate-stage thermal insulation pressure vessel through a liquid suction pipe, and the other end of the working fluid pump is connected to the inlet of the evaporator through a working fluid infusion pipe.
  • the pump enters the evaporator and absorbs heat from normal temperature and vaporizes into work pressure vapor;
  • the pressure steam outlet of the evaporator is connected to the inlet of the turbo expansion unit through a first heat insulation return pipe, and the tail gas outlet of the turbine expansion unit is connected to the intermediate-stage heat preservation pressure vessel through a second heat insulation return pipe, and the pressure steam enters the turbine.
  • the expansion unit works as a power turbine, which drives the turbine expansion unit to work.
  • the pressure steam is cooled and decompressed.
  • the working fluid's exhaust gas after work is discharged from the turbine expansion unit's exhaust gas outlet and returned to the intermediate stage refrigeration cycle through the second insulation return pipe. Space, re-liquefaction.
  • the invention adopts a pure phase-change athermal refrigeration technology, implements a multi-stage phase-change refrigeration cycle, and produces a large amount of cooling capacity at a high cooling rate, and a large amount of deep cooling capacity when needed.
  • the drawing is a schematic structural diagram of a negative temperature difference heat engine. Detailed description of the invention
  • a refrigeration compressor 1, a condenser 2, a throttle 4, and an evaporator 6 are installed in a first heat-preserving pressure vessel 8 to form a first-stage vapor compression refrigeration cycle to provide an original refrigeration capacity.
  • the bottom of the first heat-preserving pressure vessel 8 is filled with a liquid refrigerant 14, and the refrigeration compressor 1 and the condenser 2 in the first-stage vapor compression refrigeration cycle are immersed in the liquid refrigerant 14.
  • a subcooled liquid working medium condensing plate 17 is provided in the middle of the first heat preservation pressure vessel 8.
  • the working fluid pump 9 is connected to the first thermal insulation pressure vessel 8 through a suction pipe 18", and the other end of the working fluid pump 9 "is connected to the intermediate cooling refrigeration evaporator 24 in the intermediate heat insulation pressure vessel 22 through the working fluid infusion pipe 10". connection.
  • the bottom of the intermediate-stage thermal insulation pressure vessel 22 is filled with a liquid refrigerant 23.
  • the intermediate-stage refrigeration evaporator 24 and the subcooled liquid working medium condensing plate 17 ' are both installed in the intermediate-stage heat-preserving pressure vessel 22.
  • the intermediate-stage evaporator 24 is composed of a working fluid infusion pipe 10 ", a heat preservation return pipe 11", and a working fluid pump 9 "Communicates with the condensing space in the first heat-preserving pressure vessel 8 to form a phase change for a cold refrigeration cycle.
  • One end of the working fluid pump 9 ' is connected to the intermediate-stage heat-preserving pressure vessel 22 through a suction pipe 18', and the other end of the working fluid pump 9 ' It is connected to the final refrigeration evaporator 12 through the working fluid infusion pipe 10 ', that is, to the evaporator of the thermal steam engine.
  • the final-stage refrigerating evaporator 12 is installed in the terminal heat-preserving pressure vessel 13.
  • the refrigerant 19 is circulated in the terminal heat-preserving pressure vessel 13, and the refrigerant 19 flows in from the refrigerant inlet 20 and performs cold and heat exchange with the final-stage evaporator 12, so that the refrigerant 19 reaches the refrigerant outlet 21 Set the cooling temperature value to continuously supply cooling to the user.
  • the basic components of the negative temperature difference thermal engine described in the present invention are similar to those of a thermal steam engine using water as a working medium, and it includes an evaporator that absorbs and vaporizes liquid working medium to generate pressure steam, and allows the pressure steam to reduce the temperature and reduce the temperature of the turbine.
  • the thermal work cycle consists of a working fluid pump 9 ', an evaporator 12, a turbine expansion unit 31, a condensing space, a connecting pipe, and a liquid worker whose boiling point temperature is lower than the natural ambient temperature and which absorbs normal-temperature heat and vaporizes in the thermal work cycle. It is composed of mass 23, which provides external cooling while generating power.
  • the liquid working medium 23 enters the evaporator from the intermediate heat-preserving pressure vessel 1 through the working medium pump 9 ', and absorbs heat from normal temperature environment and vaporizes into pressure vapor.
  • the pressure steam outlet of the evaporator 12 is connected to the air inlet of the turbine expansion unit 31 through the first insulation return pipe 32, and the exhaust gas outlet of the turbine expansion unit 31 is connected to the intermediate-stage insulation pressure vessel 22 through the second insulation return pipe 33.
  • the pressure steam enters the turbine expansion unit 31 to work as a turbine, and drives the turbine expansion unit 31 to operate.
  • the pressure steam is cooled and decompressed.
  • the working medium exhaust gas after work is discharged from the exhaust gas outlet of the turbine expansion unit 31 through the second insulation.
  • the return air pipe 33 returns to the condensing space of the intermediate-stage refrigeration cycle and re-liquefies.
  • the turbine expansion unit 31 can be composed of a high-pressure steam turbine expansion unit on demand, or a medium-pressure steam turbine expansion unit on demand, or a low-pressure steam turbine expansion unit on demand.
  • the refrigeration compressor 1 is started to cool, and its heat is dissipated by the latent heat of vaporization of the liquid refrigerant working medium 14, and the vapor enters the condensing space composed of the over-liquid working medium plate 17 from the vent pipe 16 and condenses.
  • the invention can be made into a large and medium-sized refrigeration power station, and also can be made into a small-scale refrigeration engine station. It can also be used as a variety of vehicle engines to provide clean energy power for modern industrial production and civilian use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)

Abstract

L'invention concerne un moteur thermique à différence de température négative qui comprend un dispositif pour cycle de réfrigération à plusieurs étapes sans chauffage utilisant la technique de réfrigération à transformation de phase pure qui est semblable au fonctionnement d'un moteur à puissance utilisant de l'eau comme fluide opérationnel. Le cycle de réfrigération fournit une réfrigération vers l'extérieur par transformation de phase pure pendant la dernière étape et le cycle de puissance thermique fournit la puissance. Le fluide actif, dont le point d'ébullition est inférieur à la température ambiante, est évaporé et se transforme en vapeur sous pression par absorption de la chaleur de la température ambiante ordinaire. La vapeur sous pression ainsi obtenue entraîne la turbine de détente de manière à produire de l'énergie, le fluide évacué à partir de la turbine de détente est reliquéfié par réfrigération dans l'étape la plus proche de la dernière étape. L'invention concerne une source d'énergie faiblement polluante et peut être appliquée dans beaucoup de domaines.
PCT/CN1998/000256 1997-10-27 1998-10-23 Moteur thermique a difference de temperature negative WO1999022189A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU96194/98A AU9619498A (en) 1997-10-27 1998-10-23 Temperature difference heat engine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN97119921.3 1997-10-27
CN 97119921 CN1180790A (zh) 1997-10-27 1997-10-27 负温差热力发动机

Publications (1)

Publication Number Publication Date
WO1999022189A1 true WO1999022189A1 (fr) 1999-05-06

Family

ID=5175665

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN1998/000256 WO1999022189A1 (fr) 1997-10-27 1998-10-23 Moteur thermique a difference de temperature negative

Country Status (3)

Country Link
CN (1) CN1180790A (fr)
AU (1) AU9619498A (fr)
WO (1) WO1999022189A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114440490A (zh) * 2020-11-02 2022-05-06 中国科学院理化技术研究所 一种冷水机组

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT6635B (lt) 2017-09-06 2019-06-25 Vilniaus Gedimino technikos universitetas Atmosferinio slėgio šaltojo garo variklis ir jo veikimo būdas
CN114991899A (zh) * 2021-03-01 2022-09-02 易元明 交通工具相对运动动能收集利用方法及其装置
CN117627783A (zh) * 2022-08-29 2024-03-01 易元明 液态空气热力工质航空发动机
CN117628723A (zh) * 2022-08-29 2024-03-01 易元明 相变以冷制冷的工艺方法及其装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442682A (en) * 1981-09-30 1984-04-17 Tokyo Shibaura Denki Kabushiki Kaisha Turbine for use in refrigeration cycle
US5186013A (en) * 1989-02-10 1993-02-16 Thomas Durso Refrigerant power unit and method for refrigeration
US5507158A (en) * 1992-07-22 1996-04-16 Elf Aquitaine Device for indirect production of cold for refrigerating machine
CN1139182A (zh) * 1995-06-23 1997-01-01 霍占满 低温能源产生动力的方法及装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4442682A (en) * 1981-09-30 1984-04-17 Tokyo Shibaura Denki Kabushiki Kaisha Turbine for use in refrigeration cycle
US5186013A (en) * 1989-02-10 1993-02-16 Thomas Durso Refrigerant power unit and method for refrigeration
US5507158A (en) * 1992-07-22 1996-04-16 Elf Aquitaine Device for indirect production of cold for refrigerating machine
CN1139182A (zh) * 1995-06-23 1997-01-01 霍占满 低温能源产生动力的方法及装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114440490A (zh) * 2020-11-02 2022-05-06 中国科学院理化技术研究所 一种冷水机组
CN114440490B (zh) * 2020-11-02 2024-02-09 中国科学院理化技术研究所 一种冷水机组

Also Published As

Publication number Publication date
AU9619498A (en) 1999-05-17
CN1180790A (zh) 1998-05-06

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