WO1995002115A1 - Procede d'exploitation d'energie thermique residuelle dans des centrales electriques - Google Patents

Procede d'exploitation d'energie thermique residuelle dans des centrales electriques Download PDF

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Publication number
WO1995002115A1
WO1995002115A1 PCT/FI1994/000311 FI9400311W WO9502115A1 WO 1995002115 A1 WO1995002115 A1 WO 1995002115A1 FI 9400311 W FI9400311 W FI 9400311W WO 9502115 A1 WO9502115 A1 WO 9502115A1
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WO
WIPO (PCT)
Prior art keywords
heat
medium
pressure
turbine
thermal energy
Prior art date
Application number
PCT/FI1994/000311
Other languages
English (en)
Inventor
Ari Veli Olavi LÖYTTY
Original Assignee
Loeytty Ari Veli Olavi
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
Priority claimed from FI933077A external-priority patent/FI101412B/fi
Application filed by Loeytty Ari Veli Olavi filed Critical Loeytty Ari Veli Olavi
Priority to JP7503842A priority Critical patent/JPH09501750A/ja
Priority to DE4494861T priority patent/DE4494861T1/de
Publication of WO1995002115A1 publication Critical patent/WO1995002115A1/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
    • F01K25/08—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
    • F01K25/103—Carbon dioxide
    • 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
    • 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
    • F01K23/103—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 with afterburner in exhaust boiler
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use
    • F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas- turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/14—Combined heat and power generation [CHP]
    • 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
    • Y02E20/00—Combustion technologies with mitigation potential
    • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

  • the object of the invention is a method for the exploitation of waste thermal energy in power plants, whereby warm medium A from a gas turbine process and return medium B heat medium B in parallel heat-exchangers, the pressure of medium B being higher than the critical pressure of the process according to the invention. Subsequently, mediums B are combined and further heated by return medium B in the heat-exchanger. After this medium B is further heated in a boiler by medium A subsequent to the turbine or combustion chamber and is expanded in the turbine to lower pressure than the critical pressure and returns to the process to the above-mentioned heat-exchangers.
  • medium B is condensed into liquid in a condenser and pressurized to supercritical pressure by a pump, whereby the enthalpic difference corresponding to a certain temperature difference is higher than in the pressure subsequent to the turbine.
  • the enthalpic difference can be equalized by waste thermal energy.
  • Examples of the advantages include lower fuel consumption, risk of accident, waste and emissions.
  • an old plant is very easy to replace because it is easy to build a plant according to the invention to operate along with the old plant, utilizing the waste thermal energy.
  • the waste thermal energy of the steam power process can also be exploited by increasing the number of tappings whereby the mass flow rate through the condenser can be reset to zero when needed.
  • the invention is especially well adapted to utilizing natural gas because the condensing temperature of the water vapour generated in combustion can be exploited most effectively in a plant according to Fig. 8 because of the purity of natural gas.
  • the invention is based on the fact that a larger amount of energy is required - mostly in the low-temperature area - for heating medium B which is liquefied and compressed into supercritical pressure than what return medium B with lower pressure releases. This is a propery of real gases in the vicinity of the critical temperature. Thus the waste thermal energy of present thermal power stations can be exploited extremely effectively in parallel heat-exchangers.
  • the invention differs from the ORC-process (for instance, US A 3 769 789) in that the enthalpic increase corresponding to evaporation requiring a lot of energy is mainly effected in the parallel heat-exchangers subsequent to the pump (1) , because medium B is at a supercritical temperature after the parallel heat- exchangers (2, 3) .
  • a very suitable medium for the process carbon dioxide is harmless to the environment and there is plenty of it available.
  • the required maximum pressure does not set too high technical requirements because a corresponding pressure is already in use in the steam power process at the moment.
  • medium B the waste heat of the condenser can be exploited for district heating, for example, while the electricity production remains high at the same time.
  • the invention is also well- adapted for the degassing of solid fuel because the process according to the invention can be used to exploit low- temperature energy better than in present processes as a double substance process, for instance.
  • the waste heat generated in the cooling of the compressor can also be exploited very efficiently in the process according to the invention.
  • the invention is also well-adapted to be used in a plant employing two different sources of heat.
  • An advantage is also the lack of a compressor in the process according to the invention.
  • the economically profitable size class of the plant is very wide as well.
  • the small size due to the relatively high pressure of medium B of the plant is also significant.
  • the operating time of the invention in the future is long because the possible heat generated in the fusion is well- adapted to be used in the plant according to Fig. 4, because there is thus no preheating of air.
  • the renewable energy resources, the sun and biomass are also suitable for sources of heat in the process according to the invention.
  • the main object of the invention is to provide a novel and more efficient exploitation method of waste thermal energy for power plants than at present, which at the same time makes it possible to economically separate the carbon dioxide generated in combustion.
  • the method according to the invention is characterized in what is disclosed in the characterizing clause of Claim 1.
  • Fig. 1 is a flow diagram of the plant according to the invention (the gas turbine process as the source of waste thermal energy)
  • Fig. 2 is a flow diagram of the plant according to the invention (the steam power process as the source of waste thermal energy)
  • Fig. 3 is a flow diagram of the plant of the invention used for pressurizing natural gas
  • Fig. 4 is a process according to the invention (the heat generated in the pressurizing of medium B as the source of waste thermal energy)
  • Fig. 5 is a table of condition point values of Fig. 1
  • Fig. 6 is a h,T graph of the heat exchange of Fig. l
  • Fig. 7 is the flow diagram of a construction of the invention (the gas turbine process as the source of waste thermal energy)
  • Fig. 8 is a flow diagram of the plant in which the combustible matter is burned by oxygen in a closed carbon dioxide cycle.
  • Fig. 9 is a flow diagram of a plant according to Fig. 8 where the excess waste thermal energy is exploited by the process according to Fig. 1.
  • the plant according to Fig. 1 comprises a pump (1), heat- exchangers (2, 3, 4), a boiler (5), a turbine (6), a condenser (7) , a compressor (8) , a heat-exchanger (9) , combustion chambers (10, 12) and a turbine (11).
  • Medium B is carbon dioxide in this example.
  • Medium A corresponds to the open gas turbine process. In principle, however, mediums A and B can be selected, as desired, so that they best suit the situation.
  • the pressurized air from the compressor (8) enters the heat- exchanger (9) to be preheated by the exhaust gases of the gas turbine process. Then it enters the combustion chamber (10) and the turbine (11). After the exhaust gases have expanded in the turbine (11) they go to the second combustion chamber (12) and after that to the boiler (5) and to the heat-exchanger (9) which is used for preheating air. All this is already well-known in practice.
  • the novelty introduced by the invention is that the exhaust gases coming from the heat-exchanger (9) preheat, in the heat-exchanger (2), the carbon dioxide pressurized to supercritical pressure by the pump (1), while the return carbon dioxide heats the carbon dioxide also in the second parallel heat-exchanger (3) .
  • Fig. 2 represents the process according to the invention where waste thermal heat is obtained from the steam power process.
  • the carbon dioxide cycle corresponds to the above-mentioned cycle but the boiler (5) is provided with an air preheater.
  • the water from decompression valve (15) enters feed water tank (16) where it is heated as the water vapour from the turbine (14) is mixed with it.
  • the pump (17) pressurizes the water to the desired pressure, after which the water is heated in heat exchanger (18) by bleeding of the turbine (14), and further by the next bleeding in heat- exchanger (19).
  • the return liquid from the heat exchangers (19, 18) flows to the feed water tank (16).
  • the water cycle is devided while part of the water enters the boiler (5) where it is evaporated and superheated, and enters the turbine (14).
  • the rest of the water enters the heat- exchanger (2) to preheat the carbon dioxide, after which the water goes to the decompression valve (15).
  • the heating phase of carbon dioxide is also effected in the boiler (5).
  • Fig. 3 shows the flow diagram of a plant used for pressurizing natural gas.
  • the process which uses carbon dioxide as a medium is like the one in Fig. 1, only the boiler (5) is provided with an air preheater.
  • Natural gas is pressurized by compressor (20) with the aid of the energy produced by turbine (6) , after which the heated natural gas heats the carbon dioxide in heat- exchanger (2) and is cooled at the same time.
  • the process can be used, when desired, to produce electricity.
  • Fig. 4 shows a process consisting of a two-phase expansion.
  • a part of the pressurizing of carbon dioxide is carried out by compressor (25), whereby the heat of the carbon dioxide heated in the compressor (25) can be exploited in heat-exchanger (2).
  • the carbon dioxide cycle is otherwise similar to the one in Fig. 1, but boiler (5) is, when necessary, provided with an air preheater. Carbon dioxide is heated in boiler (5) before turbine (6) and also after that because the carbon dioxide is also expanded in turbine (23). The carbon dioxide returns from turbine (23) to heat-exchangers (4, 3) and is further cooled in precooler (24). Because carbon dioxide is expanded in turbine (23) to a pressure lower than the pressure corresponding to the achievable condensing temperature, it enters compressor (25) after this.
  • Fig. 5 i ⁇ a table of the values of the condition points of Fig. 1.
  • plain air is used as medium A.
  • 90% was used as the isentropic breeding ratio of the turbine, 3 % as the pressure drop in the heat-exchangers, and 90% as the recuperation rate of the heat-exchangers.
  • Fig. 6 is an h,T graph of points A, B, C and D of Fig. 1. Heat exchangers (2, 3, 4) and boiler (5) are converted into one heat- exchanger for the sake of clarity.
  • Fig. 7 shows one of the numerous different forms of application of Fig. 1. It differs from the process of Fig. 1 in that the boiler (5) corresponds to the combustion chamber of the gas turbine process. Thus boiler (5) naturally replaces combustion chamber (10) and combustion chamber (12) is not required. The connection actually corresponds to the connection of a water- cooled PFBC combi heating power plant.
  • Fig. 8 shows a basic process which is perhaps the most competitive construction of the invention.
  • the oxygen required for the combustion is brought to a closed carbon dioxide cycle.
  • This is a very natural means to increase the maximum temperature of the process because the gas turbine process can be used to achieve a higher maximum temperature of a process than processes based on heat-exchangers. This is because of the durability of the materials.
  • the condensing heat of water vapour can be exploited in the process for power production and the advantages also include the lack of nitrogen oxides and a possibility to economically separate the carbon dioxide generated in the combustion.
  • the lost heat of the compressor is also exploited in the process for power production and a part of the pressurization of medium B, i.e. carbon dioxide, can be carried out by pump (1), whereby the energy requirement of the pressurization is decreased.
  • Present techniques can be used in the oxygen separation process. If the oxygen liquefied in the separation process is pressurized by the pump to the maximum pressure before the precooling phase of air i ⁇ effected, part of the liquid oxygen can be separated from the process because the enthalpy difference corresponding to a certain temperature difference is higher in the pressure subsequent to the pump.
  • the liquefied oxygen can be used in LNG- tankers, for instance, as combustion oxygen of a power source according to the invention (Fig. 8). This is partly associated with the so-called SNG-techniques (Substitute Natural Gas).
  • the carbon dioxide generated in the combustion is removed from the process through valve (26), after which the pump (1) pres ⁇ urize ⁇ the carbon dioxide to supercritical pressure.
  • the carbon dioxide cycle is branched and the pressurized oxygen is combined with the carbon dioxide cycle of heat-exchanger (2) . After this the carbon dioxide is heated in parallel heat-exchangers (2, 3).
  • the carbon dioxide cycles enter heat-exchanger (4). The oxygen brought to the cycle is burned in combustion chamber (10) by natural gas from compressor (28) while the rest of the carbon dioxide enters the cooling of combustion chamber (10).
  • the carbon dioxide generated in the process can be removed any where in the process.
  • the oxygen not combusted and separated in the condenser can also be pressurized by the compressor, treated by chemicals, or possibly dissolved in liquid carbon dioxide.
  • the incombustible hydrocarbons and carbon monoxide can also be separated in the condenser (7), after which they can be recycled by mixing them with the combustible matter.
  • Fig. 9 is an application of the basic process according to Fig. 8. Excess waste thermal energy is exploited in it by the process according to Fig. 1. Because many components are the same, it is natural that the same components can be used, i.e., the plant can be integrated with respect to the number of the components. The process per se does not include further special inventive characteristics. The waste thermal energy of the air separation process is exploited in heat-exchanger (2).
  • the embodiments of the invention include a process in which medium B is not heated in boiler (5) after heat-exchanger (4).
  • the heating of medium B to the maximum temperature is carried out in a natural way by the waste thermal energy of medium A in heat-exchanger (4) which is thus actually a boiler.
  • Some other components of the process can also be omitted, when necessary. Consequently, the carbon dioxide sides of heat- exchangers (2, 3, 4) can be combined, whereby the number of the heat-exchangers is decreased.
  • the expansion in turbine (6) can also be effected in several phases as well as the compression in pump (1), whereby cooling is effected between the compression phases.
  • the plant according to the invention also comprises, when necessary, components required for achieving a higher pressure level than the pressure of the surroundings of medium B.
  • the plant according to Fig. 8 produces its own proces ⁇ mediums.
  • the carbon dioxide of the process cycle is broken down at a sufficiently high temperature into carbon monoxide and oxygen which can be burned in a closed cycle before turbine (6) .
  • the breeding ratio is improved with the increase of the maximum temperature of the process.
  • Medium A or B can also consist of several substances whereby the desired heat-exchange properties can be accomplished by the mixture.
  • medium B can consist of carbon dioxide and water.
  • the ideal case would be a medium consisting of two substances in which one of the mediums would not be required to be compressed by the compressor and/or it could be at least partly evaporated by excess waste thermal energy.
  • the process according to the invention can also be connected to the present combined power plant using the method of Fig. 2, for instance, by increasing the number of bleedings of the steam turbine, whereby an extremely high power production efficiency can be accomplished, especially if the condensing heat of water vapour generated in combustion is exploited in the process.
  • the heat-exchanger (4) can also comprise a water vapour cycle in addition to the carbon dioxide cycle. In practice, such a case would be the most competitive if the maximum temperature of the combustion chamber increased faster than the maximum temperature of the heat-exchangers.
  • two parallel heat-exchangers (2, 3) are not necessarily required if the condensing temperature of the water vapour generated in combustion is sufficient, for instance, or the temperature difference of the medium releasing the heat is higher than that of the recipient medium.
  • the invention can naturally be used for other than power production purposes such as power sources for ships, for instance. In theory, the invention might be advantageous in the future as the power source for large propelling machines because the outside temperature is low.
  • connection of a cooling apparatus to a power machine has been disclosed in theory in literature. This can also be applied in the plant according to the invention.
  • the condenser (7) is replaced by the evaporator of the cooling process and possible waste thermal energy of the cooling process is exploited in heat-exchanger (2).
  • the adsorption process (ammonia) might be well-adapted to be connected to the process according to the invention.
  • the process according to Fig. 8 would require no compressor (25).
  • the possible so-called chemical combustion can be applied also to the plant according to the invention.
  • the cooling of the combustion chamber and the turbine can be implemented also by applying the present technique.

Abstract

Procédé d'exploitation d'énergie thermique résiduelle dans des centrales électriques, de façon à obtenir un meilleur rendement de production électrique par rapport à l'état actuel de la technique. L'énergie thermique résiduelle du milieu A et du milieu de retour B sert à réchauffer, dans les échangeurs thermiques parallèles (2, 3), le milieu B mis sous une pression supérieure à la pression critique au moyen de la pompe (1) du procédé de l'invention. Ensuite, les milieux B sont combinés et réchauffés dans un échangeur thermique (4) par le milieu de retour B. Puis le milieu B est réchauffé dans une chaudière (5) par le milieu A d'un autre cycle de traitement et détendu dans une turbine (6) à une pression inférieure à la pression critique et retourne vers les échangeurs thermiques (4, 3). Il est ensuite condensé en liquide dans le condenseur (7) et un nouveau cycle démarre, dans lequel il est mis sous pression surcritique au moyen de la pompe (1), de ce fait, une différence enthalpique correspondant à une certaine différence de température est plus importante que dans la pression après la turbine (6) et la différence peut être équilibrée par l'énergie thermique résiduelle du milieu A. Ce procédé permet de séparer économiquement le gaz de carbone produit dans la combustion lorsque brûle la matière combustible au moyen d'oxygène dans un cycle fermé de dioxyde de carbone.
PCT/FI1994/000311 1993-07-05 1994-07-05 Procede d'exploitation d'energie thermique residuelle dans des centrales electriques WO1995002115A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP7503842A JPH09501750A (ja) 1993-07-05 1994-07-05 動力装置における廃熱エネルギーの活用方法
DE4494861T DE4494861T1 (de) 1993-07-05 1994-07-05 Verfahren zur Nutzung von Abwärme-Energie in Kraftanlagen

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI933077A FI101412B (fi) 1993-07-05 1993-07-05 Jätelämmön hyödyntämismenetelmä esim. voimalaitoksissa
FI933077 1993-07-05
FI943200 1993-12-03
FI943200A FI101413B1 (fi) 1993-07-05 1994-07-04 Jätelämmön hyödyntämismenetelmä esim. voimalaitoksissa

Publications (1)

Publication Number Publication Date
WO1995002115A1 true WO1995002115A1 (fr) 1995-01-19

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Application Number Title Priority Date Filing Date
PCT/FI1994/000311 WO1995002115A1 (fr) 1993-07-05 1994-07-05 Procede d'exploitation d'energie thermique residuelle dans des centrales electriques

Country Status (4)

Country Link
JP (1) JPH09501750A (fr)
DE (1) DE4494861T1 (fr)
FI (1) FI101413B1 (fr)
WO (1) WO1995002115A1 (fr)

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EP0825398A3 (fr) * 1996-08-08 1999-03-17 Thomas Sturm Méthode pour faire fonctionner un système avec un moteur thermique
EP0939199A1 (fr) * 1998-02-25 1999-09-01 Asea Brown Boveri Ag Procédé de fonctionnement d'une centrale d'énergie avec un cycle de CO2
EP0953748A1 (fr) * 1998-04-28 1999-11-03 Asea Brown Boveri AG Procédé de fonctionnement d'une centrale d'énergie avec un cycle de CO2
US6156778A (en) * 1996-08-28 2000-12-05 Basf Aktiengesellschaft Agents for controlling harmful fungi
WO2012049259A1 (fr) * 2010-10-14 2012-04-19 Energreen Heat Recovery As Procédé et système d'utilisation d'une source d'énergie à température relativement basse
WO2013113714A1 (fr) * 2012-01-31 2013-08-08 Centre de Recherches Métallurgiques asbl - Centrum voor Research in de Metallurgie vzw Installation et procédé de récupération d'énergie à l'aide de co2 supercritique
WO2013079218A3 (fr) * 2011-12-02 2014-04-24 Mitri Mikhael Dispositif et procédé permettant de récupérer la chaleur dégagée par un moteur à combustion interne, en particulier de récupérer la chaleur dégagée par le moteur d'un véhicule
US8887503B2 (en) 2011-12-13 2014-11-18 Aerojet Rocketdyne of DE, Inc Recuperative supercritical carbon dioxide cycle
KR20160125443A (ko) * 2014-02-26 2016-10-31 페레그린 터빈 테크놀로지스, 엘엘씨 부분 복열 유동 경로를 갖는 동력 발생 시스템 및 방법
CN106837443A (zh) * 2017-01-25 2017-06-13 上海发电设备成套设计研究院 一种直接燃烧加热的超临界二氧化碳动力循环系统和方法
CN109595131A (zh) * 2019-01-17 2019-04-09 苏州良造能源科技有限公司 一种太阳能光热和天然气冷能联合动力机发电系统
AU2019203986B2 (en) * 2013-03-15 2021-01-07 8 Rivers Capital, Llc System and method for high efficiency power generation using a carbon dioxide circulating working fluid
US10975766B2 (en) 2009-02-26 2021-04-13 8 Rivers Capital, Llc System and method for high efficiency power generation using a carbon dioxide circulating working fluid
CN114234467A (zh) * 2021-12-03 2022-03-25 山西大学 二氧化碳热泵回收余热的超临界二氧化碳热电联产系统
US11674436B2 (en) 2009-02-26 2023-06-13 8 Rivers Capital, Llc System and method for high efficiency power generation using a carbon dioxide circulating working fluid
US20230366350A1 (en) * 2020-10-06 2023-11-16 King Abdullah University Of Science And Technology Waste heat recovery system

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US8063511B2 (en) * 2008-05-27 2011-11-22 Expansion Energy, Llc System and method for liquid air production, power storage and power release
KR101485020B1 (ko) * 2013-12-12 2015-01-29 연세대학교 산학협력단 초임계유체 냉각 가스터빈 장치

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0825398A3 (fr) * 1996-08-08 1999-03-17 Thomas Sturm Méthode pour faire fonctionner un système avec un moteur thermique
US6156778A (en) * 1996-08-28 2000-12-05 Basf Aktiengesellschaft Agents for controlling harmful fungi
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FI101413B (fi) 1998-06-15
FI943200A0 (fi) 1994-07-04
FI943200A (fi) 1995-06-04
DE4494861T1 (de) 1996-09-26
JPH09501750A (ja) 1997-02-18
FI101413B1 (fi) 1998-06-15

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