WO2011000062A1 - Procédé et dispositif pour moteur thermohydraulique pour convertir l'énergie thermique en énergie mécanique - Google Patents

Procédé et dispositif pour moteur thermohydraulique pour convertir l'énergie thermique en énergie mécanique Download PDF

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Publication number
WO2011000062A1
WO2011000062A1 PCT/BG2010/000011 BG2010000011W WO2011000062A1 WO 2011000062 A1 WO2011000062 A1 WO 2011000062A1 BG 2010000011 W BG2010000011 W BG 2010000011W WO 2011000062 A1 WO2011000062 A1 WO 2011000062A1
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WO
WIPO (PCT)
Prior art keywords
heat exchangers
heat
carbon dioxide
energy
heat exchanger
Prior art date
Application number
PCT/BG2010/000011
Other languages
English (en)
Russian (ru)
Inventor
Никола Петров ЦЕКОВ
Original Assignee
Tsekov Nikola Petrov
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 Tsekov Nikola Petrov filed Critical Tsekov Nikola Petrov
Publication of WO2011000062A1 publication Critical patent/WO2011000062A1/fr

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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
    • F01K25/02—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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00—Climate change mitigation technologies for sector-wide applications
    • Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy

Definitions

  • the invention relates to a method and device for a thermal hydraulic motor for converting thermal energy into mechanical energy, which finds application in industry, energy, transport, agriculture, everyday life, etc., for converting thermal and solar energy into mechanical work or into another type of energy.
  • a known method for converting thermal energy into mechanical energy in which a one-component working fluid is used as a heat carrier, which is carbon dioxide in a two-phase state, liquid and gaseous, the working fluid moves in a closed heat exchanger system, and carbon dioxide heats an external heat source, in As a result, the volume of carbon dioxide increases many times with a slight increase in its pressure, and the pressure of the coolant is converted through the working body in m mechanical work of the kinematic type.
  • a device for a thermal volumetric engine, which is constructed of at least five receiving heat exchangers in which a working fluid from liquefied carbon dioxide in the gas and liquid phases is supplied. Heat exchangers are interconnected by pipelines, valves are mounted to them. In addition, a heat pump system is provided, which changes the functioning of heat exchangers, dynamically changing their functions from the condenser module to the evaporation module and vice versa, thereby closing the energy cycle of the engine. (one)
  • the disadvantage of the method for converting thermal energy into mechanical energy is that its implementation requires the use of devices with large dimensions to ensure multiple expansion of the volume of the working fluid used as a coolant.
  • the disadvantages of the device of a thermal volumetric engine for converting thermal energy into mechanical energy are that they have a complicated mechanical structure that functions with significant heat losses due to the use of only reversible heat exchangers, generating additional heat losses resulting from the expansion of the use of dioxide carbon simultaneously in the gas and liquid phase in the liquid and gas phase, as well as low efficiency, due to the fact that a piston engine is used as a mechanical energy generator, working with significant energy losses caused by inevitable mechanical friction and direct thermal losses.
  • the objective of the invention is to create a method for converting thermal energy into mechanical energy, whose technical implementation would require the use of a small-sized device, in which it is effective to increase the pressure of the used heat carrier with a slight increase in its volume, as well as create a thermal hydraulic motor device for implementing a method that would have a device a simplified mechanical design that will function with significantly reduced heat consumption, as well as with increased efficiency, the use of a hydraulic motor as a generator for converting thermal energy into mechanical energy.
  • this task can be solved by a method for converting thermal energy into mechanical energy, in which carbon dioxide in a two-phase liquid and gaseous state is used as a heat carrier heated by an external heat source. As a result of the absorbed heat, carbon dioxide increases its pressure.
  • the working fluid is two-component and includes, in addition to carbon dioxide, and oily liquid as the second component. It moves in a closed system of heat exchangers, with which the pressure of carbon dioxide is transmitted to the oil fluid, and it affects the working an organ in which pressure is converted into kinematic type mechanical work.
  • the working fluid may be ammonia and oil, or any other refrigerant and oil.
  • thermal hydraulic motor device for converting thermal energy into mechanical energy, consisting of reservoir heat exchangers interconnected, like heat sources and a mechanical energy generator, through pipelines with valves mounted.
  • the mechanical energy generator is designed as a hydraulic motor, and the heat exchangers - at least four - two permanent tank heat exchangers and two reversible heat exchangers, isolated in the evaporative module and condenser module, respectively.
  • Each of these modules consists of one reversible and one tank heat exchanger.
  • One permanent tank heat exchanger is filled with engine oil, and the other constant tank heat exchanger and both reversible heat exchangers are filled with carbon dioxide gas, whose pressure is directly proportional to its temperature.
  • All heat exchangers have a pipe structure and, together with pipelines, are made of pipes for high pressure.
  • the advantages of the thermal method and device for converting thermal energy into mechanical energy are that the conversion of thermal energy into mechanical work is carried out at low temperatures up to 150 0 C with significantly increased efficiency, due to the use of a closed system, insulated with thermal insulation, without heat is lost for cooling the oily liquid from the working fluid and carbon dioxide in the evaporation module; as well as the use of a hydraulic motor with increased efficiency; the hydraulic motor allows stationary and mobile installation on any surface, like water, as well as in different vehicles. There is also the opportunity to obtain mechanical work from different types of thermal energy - solar, waste, from cooling plants in industry, energy and other energy sources.
  • thermal insulation is performed by glass or polymer transparent planes - two-layer type “greenhouse”.
  • thermal hydraulic motor device for converting thermal energy into mechanical energy, shown in the figure by its mechanical structure, where the volume of the heat exchangers is filled with a two-component working fluid.
  • the method for converting thermal energy into mechanical energy is that carbon dioxide in a two-phase - liquid and gaseous state and oil liquid, which move in a closed system of heat exchangers and form a two-component working fluid, are used as a heat carrier heated from an external source.
  • carbon dioxide in a two-phase - liquid and gaseous state and oil liquid which move in a closed system of heat exchangers and form a two-component working fluid, are used as a heat carrier heated from an external source.
  • the pressure of carbon dioxide increases, which pressure acts on the oil fluid and it sets in motion the working body, which, approximately, can be performed as a hydraulic motor, turbine, etc., converting thermal energy into mechanical work of the kinematic type.
  • the working body transfers its energy to various actuators, depending on their purpose.
  • carbon dioxide can be used, which is cooled to a temperature below its critical point or above its critical point, as well as ammonia or other refrigerants.
  • the proposed device which is designed as a thermal hydraulic motor, converts thermal energy into mechanical work with increased efficiency, and the thermal hydraulic motor operates in a closed system that is thermally insulated.
  • the working fluid is a two-component, composed of an oily liquid of carbon dioxide in a two-phase state - gaseous and liquid.
  • Carbon dioxide after heating creates pressure, which is transmitted to the oil fluid and it works to set in motion a thermal hydraulic motor, designed as a hydraulic motor, which turns it into a kinematic mechanical work.
  • the design of the thermal hydraulic motor is insulated with thermal insulation 11, so that the working fluid did not cool when operating at temperatures up to 150 0 C, and it does not get lost into thermal energy in the environment.
  • the design of the thermal hydraulic motor is insulated with insulating planes made of glass, polycarbonate or other similar transparent coatings.
  • the thermal hydraulic motor is constructed of two reversible heat exchangers 1, 3 and of two permanent tank heat exchangers 2, 4, which form, respectively, the evaporation module of the 5-reversible heat exchanger 1 and the tank heat exchanger 2 and the condenser module 6 of the reversible heat exchanger 3, and a tank heat exchanger 4, from pipelines 7 to which a valve 71, a valve 72, a valve 73 and a valve 74 are mounted, as well as from a hydraulic motor 8 connected through a gear 9 to an electric energy generator 10.
  • the working fluid is a two-component, composed of an oily liquid of carbon dioxide in a two-phase state - gaseous and liquid.
  • carbon dioxide or another refrigerant is used, located in the upper reversible heat exchangers 1 and 3, as well as an oily liquid, which is an organic or inorganic machine oil, located in the lower tank heat exchangers 2 and 4.
  • the pressure equalizes in the evaporation module 5 and the condenser module 6, and their purpose changes.
  • a gearbox 9 and an electric energy generator 10 can be connected to the hydraulic motor 8, through which the received mechanical energy finds various applications.
  • a thermal hydraulic motor can convert solar thermal energy into mechanical work, and its design is insulated with two-layer transparent planes of glass or of transparent high-molecular compounds such as a greenhouse installation.
  • the working fluid is located in the volume of at least four heat exchangers with a pipe structure, interconnected two by two in modules.
  • One module consists of two interconnected heat exchangers, in which carbon dioxide is placed in the upper reversible heat exchanger 1, 3, and oil liquid is placed in the lower permanent tank heat exchanger 2, 4.
  • the working body can be performed, in addition to a hydraulic motor and in other versions, such as a turbine, a tooth pump, etc.
  • thermal hydraulic motor allows several other modular heat exchangers to be connected to one hydraulic motor. It is also possible to couple several thermal hydraulic motors that will work in parallel.
  • a thermal hydraulic motor can be used to produce mechanical and electrical energy from thermal energy, which it is obtained from solar energy, from the combustion of various energy sources, flue gases, waste heat from cooling plants in industry, as well as from steam turbines in thermal power plants and nuclear power plants.
  • thermal hydraulic motor allows the inclusion of a system for a mechanical drive into motion or an electric energy generator, for water and land transport, for the use of waste and cooling thermal energy from industry, energy, etc.

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)

Abstract

L'invention concerne un procédé et un dispositif s'appliquant à un moteur thermohydraulique et permettant de convertir l'énergie thermique en énergie mécanique. Dans ce but, un générateur d'énergie mécanique se présente sous la forme d'un moteur hydraulique (8), au moins quatre échangeurs thermiques, c'est-à-dire deux échangeurs thermiques à réservoir permanent (2, 4) et deux échangeurs thermiques réversibles (1, 3) sont disposés respectivement dans un module de vaporisation (5) et dans un module de condensation (6). L'un des échangeurs thermiques à réservoir permanent (2) ou (4) est rempli d'huile de machine, tandis que l'autre échangeur thermique à réservoir permanent (4) ou (2) et les deux échangeurs thermiques réversibles (1, 3) sont remplis de dioxyde de carbone à une pression directement proportionnelle à leur température. Tous les échangeurs thermiques (1, 3) et (2, 4) ont une structure tubulaire et sont associés à des conduits tubulaires (7) sont formés par des conduits haute pression et sont disposés dans un espace isolé thermiquement. On obtient ainsi une structure simplifiée et extrêmement écologique présentant un meilleur coefficient de performance.
PCT/BG2010/000011 2009-07-02 2010-07-02 Procédé et dispositif pour moteur thermohydraulique pour convertir l'énergie thermique en énergie mécanique WO2011000062A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BG10110419A BG110419A (bg) 2009-07-02 2009-07-02 Метод и устройство за топлинен хидродвигател за преобразуване на топлинна енергия в механична
BG110419 2009-07-02

Publications (1)

Publication Number Publication Date
WO2011000062A1 true WO2011000062A1 (fr) 2011-01-06

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PCT/BG2010/000011 WO2011000062A1 (fr) 2009-07-02 2010-07-02 Procédé et dispositif pour moteur thermohydraulique pour convertir l'énergie thermique en énergie mécanique

Country Status (2)

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BG (1) BG110419A (fr)
WO (1) WO2011000062A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454329A (zh) * 2014-10-17 2015-03-25 孙小唐 外热式发动机及其实现方法
WO2017176316A1 (fr) * 2016-04-05 2017-10-12 Raytheon Company Cycle de co2 modifié pour véhicules sous-marins sans pilote à longue endurance et capacité de fluctuation acoustique résultante
US9834288B1 (en) 2016-06-03 2017-12-05 Raytheon Company Hydraulic drives for use in charging systems, ballast systems, or other systems of underwater vehicles
US10017060B2 (en) 2016-09-13 2018-07-10 Raytheon Company Systems and methods supporting periodic exchange of power supplies in underwater vehicles or other devices
US10036510B2 (en) 2016-06-03 2018-07-31 Raytheon Company Apparatus and method for periodically charging ocean vessel or other system using thermal energy conversion
US10472033B2 (en) 2016-10-28 2019-11-12 Raytheon Company Systems and methods for power generation based on surface air-to-water thermal differences
US10502099B2 (en) 2017-01-23 2019-12-10 Raytheon Company System and method for free-piston power generation based on thermal differences
US11001357B2 (en) 2019-07-02 2021-05-11 Raytheon Company Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance
US11052981B2 (en) 2016-10-28 2021-07-06 Raytheon Company Systems and methods for augmenting power generation based on thermal energy conversion using solar or radiated thermal energy
US11085425B2 (en) 2019-06-25 2021-08-10 Raytheon Company Power generation systems based on thermal differences using slow-motion high-force energy conversion

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU31188A1 (ru) * 1930-10-21 1933-07-31 П.Е. Марьянов Силова установка
US4353212A (en) * 1979-04-23 1982-10-12 Adler Harold A Closed fluid loop solar thermodynamic system
RU2232949C2 (ru) * 2002-04-01 2004-07-20 Григорьев Алексей Алексеевич Устройство для преобразования солнечной энергии в механическую работу (варианты)
WO2006033879A2 (fr) * 2004-09-17 2006-03-30 Pat Romanelli Systeme de production d'energie a pompe a vapeur

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU31188A1 (ru) * 1930-10-21 1933-07-31 П.Е. Марьянов Силова установка
US4353212A (en) * 1979-04-23 1982-10-12 Adler Harold A Closed fluid loop solar thermodynamic system
RU2232949C2 (ru) * 2002-04-01 2004-07-20 Григорьев Алексей Алексеевич Устройство для преобразования солнечной энергии в механическую работу (варианты)
WO2006033879A2 (fr) * 2004-09-17 2006-03-30 Pat Romanelli Systeme de production d'energie a pompe a vapeur

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454329A (zh) * 2014-10-17 2015-03-25 孙小唐 外热式发动机及其实现方法
CN108884725B (zh) * 2016-04-05 2020-11-13 雷神公司 用于长航时无人水下交通工具的改进二氧化碳循环和所得到的线性调频声性能
CN108884725A (zh) * 2016-04-05 2018-11-23 雷神公司 用于长航时无人水下交通工具的改进二氧化碳循环和所得到的线性调频声性能
US10364006B2 (en) 2016-04-05 2019-07-30 Raytheon Company Modified CO2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
WO2017176316A1 (fr) * 2016-04-05 2017-10-12 Raytheon Company Cycle de co2 modifié pour véhicules sous-marins sans pilote à longue endurance et capacité de fluctuation acoustique résultante
US10946944B2 (en) 2016-04-05 2021-03-16 Raytheon Company Modified CO2 cycle for long endurance unmanned underwater vehicles and resultant chirp acoustic capability
US9834288B1 (en) 2016-06-03 2017-12-05 Raytheon Company Hydraulic drives for use in charging systems, ballast systems, or other systems of underwater vehicles
US10036510B2 (en) 2016-06-03 2018-07-31 Raytheon Company Apparatus and method for periodically charging ocean vessel or other system using thermal energy conversion
US10017060B2 (en) 2016-09-13 2018-07-10 Raytheon Company Systems and methods supporting periodic exchange of power supplies in underwater vehicles or other devices
US10472033B2 (en) 2016-10-28 2019-11-12 Raytheon Company Systems and methods for power generation based on surface air-to-water thermal differences
US11052981B2 (en) 2016-10-28 2021-07-06 Raytheon Company Systems and methods for augmenting power generation based on thermal energy conversion using solar or radiated thermal energy
US10502099B2 (en) 2017-01-23 2019-12-10 Raytheon Company System and method for free-piston power generation based on thermal differences
US11085425B2 (en) 2019-06-25 2021-08-10 Raytheon Company Power generation systems based on thermal differences using slow-motion high-force energy conversion
US11001357B2 (en) 2019-07-02 2021-05-11 Raytheon Company Tactical maneuvering ocean thermal energy conversion buoy for ocean activity surveillance

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Publication number Publication date
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