US20180340452A1 - Method of generating power using a combined cycle - Google Patents

Method of generating power using a combined cycle Download PDF

Info

Publication number
US20180340452A1
US20180340452A1 US15/775,196 US201615775196A US2018340452A1 US 20180340452 A1 US20180340452 A1 US 20180340452A1 US 201615775196 A US201615775196 A US 201615775196A US 2018340452 A1 US2018340452 A1 US 2018340452A1
Authority
US
United States
Prior art keywords
waste heat
heat recovery
fluid
flue gas
recovery fluid
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.)
Abandoned
Application number
US15/775,196
Other languages
English (en)
Inventor
Yogesh Chandrakant HASABNIS
Sreenivas RAGHAVENDRAN
Shekhar JAIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shell USA Inc
Original Assignee
Shell Oil Co
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 Shell Oil Co filed Critical Shell Oil Co
Publication of US20180340452A1 publication Critical patent/US20180340452A1/en
Assigned to SHELL OIL COMPANY reassignment SHELL OIL COMPANY ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: Hasabnis, Yogesh Chandrakant, RAGHAVENDRAN, Sreenivas, JAIN, Shekhar
Abandoned legal-status Critical Current

Links

Images

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
    • 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
    • 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

Definitions

  • the present invention relates to method and system for generating power using a combined cycle, in particular a combined cycle in which an organic Rankine cycle is used as second power system.
  • Power plants such as gas turbines, produce power by combusting fuel.
  • the power is usually produced in the form of electricity. This is usually referred to as the first (power) system.
  • waste heat recovery system (the second (power) system) to generate additional power from the hot flue gasses produced by the first system.
  • the combination of the first and second system is usually referred to as a combined cycle.
  • the first system is a gas turbine operated by a Brayton cycle and the second system is a Rankine cycle, such as an organic Rankine cycle (ORC).
  • ORC organic Rankine cycle
  • the flue gasses produced by a gas turbine may typically have a temperature greater than 450° C., e.g. in the range of 450° C.-650° C.
  • US2013/0133868 describes a system for power generation using an organic Rankine cycle.
  • ORC fluids comprising pentane, propane, cyclohexane, cyclopentane, butane, fluorohydrocarbon, a ketone such as aceton or an aromatic such as toluene or thiophene.
  • EP1764487 disclose the use of organic working fluids for use in an organic Rankine cycle for energy recovery, especially for utilization of heat sources having a temperature up to approx. 200° C., preferably up to approx. 180° C.
  • US2011/0100009 describes a system and method including heat exchangers using Organic Rankine Cycle (ORC) fluids in power generation systems.
  • the system includes a heat exchanger configured to be mounted inside an exhaust stack that guides hot flue gases.
  • the heat exchanger is configured to receive a liquid stream of a first fluid and to generate a vapor stream of the first fluid.
  • the heat exchanger is configured to include a double walled pipe, where the first fluid is disposed within an inner wall of the double walled pipe and a second fluid is disposed between the inner wall and an outer wall of the double walled pipe.
  • the double walled pipe is used to shield the working fluid from direct exposure to the high temperature of the flue gasses and suggests to keep the temperature of the working fluid below 300° C.
  • the method further comprising:
  • waste heat recovery fluid consists of fluorinated ketones
  • system for generating power comprises:
  • waste heat recovery heat exchanger comprises a first fluid path arranged to receive and convey at least part of the flue gas stream, and a second fluid path arranged to receive and convey the waste heat recovery fluid
  • the heat exchange wall being suitable to to be exposed to the flue gas stream at a flue gas temperature in the range of 450° C.-650° C., and the heat exchange wall being suitable to to be exposed to the waste heat recovery fluid at a temperature in the range of 350° C.-500° C.,
  • the working fluid comprised by the second power system consists of fluorinated ketones.
  • the waste heat recovery fluid is temperature stable up to a temperature of 500° C.
  • the term temperature stable is used to indicate that the molecules don't decompose under the influence of the temperature.
  • the waste heat recovery fluid substantially consists of fluorinated ketones, preferably consists of fluorinated ketones with 4-6 carbon atoms of which 4-6 are fluorinated carbon atoms.
  • the waste heat recovery fluid substantially consists of dodecafluoro-2-methylpentan-3-one.
  • the waste heat recovery fluid comprises more than 90 mol % dodecafluoro-2-methylpentan-3-one, preferably more than 95 mol % dodecafluoro-2-methylpentan-3-one, more preferably more than 98 mol % dodecafluoro-2-methylpentan-3-one and most preferably 100 mol % dodecafluoro-2-methylpentan-3-one.
  • the waste heat recovery fluid may be essentially pure dodecafluoro-2-methylpentan-3-one, where the skilled person will understand that the term pure is used to indicate a level of purity that is practically achievable, e.g. a purity of more than 99 mol %.
  • the waste heat recovery fluid essentially consisting of pure dodecafluoro-2-methylpentan-3-one may be obtained from 3M at a purity of more than 99 mol %.
  • Fluorinated ketones in particular dodecafluoro-2-methylpentan-3-one, can advantageous be used as waste heat recovery fluid, for instance in a Rankine cycle, as it can be exposed to temperatures above 450° C.
  • an intermediate working fluid such as an intermediate hot oil loop
  • direct heat exchange between the flue gasses and the working fluid is made possible. This reduces cost and increases the efficiency of the cycle.
  • fluorinated ketones in particular dodecafluoro-2-methylpentan-3-one, may also be used in an intermediate loop.
  • direct heat exchange is used in this text to indicate that the exchange of heat takes place without intermediate fluid or cycles.
  • direct heat exchange is not used to indicate that the fluids exchanging heat are mixed or brought into contact as is done in a direct heat exchanger (in which the fluids to exchange heat are mixed).
  • Heat exchange between the waste heat recovery fluid and the flue gas stream is typically done by an indirect heat exchanger in which the fluids are kept separated by a heat exchange wall through which the heat is transmitted.
  • a waste heat recovery fluid as defined above in particular consisting of dodecafluoro-2-methylpentan-3-one, is stable at relatively high temperatures, i.e. in the range of 350-500° C. This avoids degradation of circulating fluids.
  • waste heat exchange fluid produces power (mechanical work) in a relatively efficient way, i.e. at a 9-11% efficiency from a flue gas stream in the indicated temperature range (compared to 6-9% when using water).
  • the suggested waste heat recovery fluid is non-corrosive to all metals and hard polymers.
  • the Global Warming Potential (GWP) of the waste heat recovery fluid is low, compared to known waste heat recovery fluids, such as chlorofluorocarbon (CFC, also known as Freon), due to the ozone depletion potential.
  • CFC chlorofluorocarbon
  • FIG. 1 schematically shows a system according to an embodiment
  • FIG. 2 schematically shows an system according to an alternative embodiment.
  • a method and system in which a first and second power system are operated, wherein the second power system is powered by the heat of the flue gas stream of the first power system.
  • the second power system comprises a waste heat recovery heat exchanger through which a pressurized waste heat recovery fluid is circulated, wherein the waste heat recovery fluid comprises fluorinated ketones, in particular dodecafluoro-2-methylpentan-3-one.
  • the first power system comprises a gas turbine operated by a Brayton cycle.
  • the flue gass stream produced by such a first power system typically have a temperature greater than 450° C., typically in the range of 450° C.-650° C.
  • operating the second power system comprises circulating a working fluid through a heat engine cycle, in particular a Rankine cycle.
  • Rankine cycles are an efficient way to transform heat into power.
  • the waste heat recovery fluid may be circulated through the waste heat recovery heat exchanger as part of an intermediate heat transfer cycle. This embodiment will be described in more detail below with reference to FIG. 2 .
  • the working fluid circulated through the heat engine cycle is the waste heat recovery fluid.
  • the waste heat recovery heat exchanger is part of the heat engine cycle.
  • the above identified waste heat recovery fluid is suitable for being cycled through a waste heat recovery heat exchanger which is exposed to a flue gas stream at a flue gas temperature greater than 450° C.
  • the pressurized vaporous waste heat recovery fluid as obtained from the waste heat recovery heat exchanger has a temperature in the range of 350° C.-500° C., preferably in the range of 450° C.-500° C.
  • the waste heat recovery fluid is stable up to temperatures in the range of 400° C.-500° C. and can therefor advantageous be used in an organic Rankine cycle.
  • the heat engine cycle comprises a condenser in which the waste heat recovery fluid is condensed against an ambient cooling stream, the ambient cooling stream being an ambient air stream or an ambient (sea) water stream.
  • the working fluid may be cooled to a temperature in the range 15° C.-80° C. in the condenser.
  • the waste heat recovery fluid can be used in a cycle in which it experiences a temperature difference of more than 320° C., even more than 400° C. or even more than 450° C. This allows cooling the waste heat recovery fluid against the ambient and heating the waste heat recovery fluid against a flue gas stream having a temperature greater than 450° C.
  • operating the second power system comprises circulating the waste heat recovery fluid as working fluid through a heat engine, such as a Rankine cycle.
  • a heat engine such as a Rankine cycle.
  • the Rankine cycle comprises the following steps, which are performed simultaneously:
  • the pressurized vaporous waste heat recovery fluid may have a temperature in the range of 350° C.-500° C. and pressure of more than 40 bar, e.g. 50 bar.
  • the expanded lower pressure vaporous waste heat recovery fluid may have a pressure of less than 3 bar, e.g. 1 bar and the temperature between 50° C.-150° C., e.g. 100° C.
  • the liquid waste heat recovery fluid may have a pressure of less than 3 bar, e.g. 1 bar and a temperature between 15° C.-100° C., e.g. 50° C.
  • the pressurized liquid waste heat recovery fluid may have a pressure of more than 40 bar, e.g. 50 bar and temperature in the range of 15° C.-100° C.
  • FIG. 1 schematically shows a system for generating power.
  • the system comprises a first power system 1 and a second power system 2 .
  • the first power system 1 comprises a fuel burning stage, here schematically depicted as a gas turbine.
  • the gas turbine comprises a compressor 11 , a fuel chamber 12 and an turbine 13 .
  • the turbine 13 drives the compressor 11 and excess power is used to drive shaft 14 which is coupled to a generator 15 , such as an electric generator, to generate primary power.
  • a generator 15 such as an electric generator
  • a flue gas stream 16 leaves the turbine 13 via an exhaust 17 at a flue gas temperature greater than 450° C.
  • FIG. 1 shows a schematic view of an exemplary primary power system and that many variations are known to the skilled person.
  • FIG. 1 further schematically shows a second power system 2 .
  • the second power system 2 is arranged to generate secondary power from the heat of the flue gas stream 16 .
  • the second power system 2 comprises a waste heat recovery heat exchanger 21 .
  • the waste heat recovery heat exchanger 21 is positioned in the exhaust 17 .
  • the waste heat recovery heat exchanger 17 comprises a first fluid path arranged to receive and convey at least part of the flue gas stream 16 .
  • the waste heat recovery heat exchanger 17 comprises a second fluid path arranged to receive and convey the waste heat recovery fluid.
  • the waste heat recovery heat exchanger 17 may be any suitable type, including a plate heat exchanger.
  • the waste heat recovery heat exchanger 17 is a shell and tube heat exchanger, wherein the first fluid path is at the shell side and the second fluid path is at the tube side.
  • the first and second fluid paths are separated by a heat exchange wall, e.g. the walls forming the tubes of the shell and tube heat exchanger.
  • FIG. 1 shows a single tube but it will be understood that more than one tube may be present, each tube wall forming a heat exchange wall.
  • the heat exchange wall is a single layer wall.
  • the heat exchange does not comprise internal cooling facilities, intermediate isolation layers, double walls and the like.
  • the system as described here and shown in FIG. 1 comprises a working fluid in a cycle ( 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ) comprised by the second power system 2 , the working fluid consisting of fluorinated ketones, in particular dodecafluoro-2-methylpentan-3-one.
  • the second power system comprises a heat engine comprising waste heat recovery heat exchanger 21 , (turbo-) expander 23 , condenser 25 and pump 27 , being in fluid communication with each other by conduits 22 , 24 , 26 , 28 .
  • a cycle is known as a Rankine cycle.
  • An outlet of the heat recovery heat exchanger 21 is in fluid communication with an inlet of expander 23 via first conduit 22 ; an outlet of the expander 23 is in fluid communication with an inlet of condenser 25 via second conduit 24 ; an outlet of the condenser 25 is in fluid communication with an inlet of pump 27 via third conduit 26 ; an outlet of the pump is in fluid communication with an inlet of the waste heat recovery heat exchanger 21 via fourth conduit 28 .
  • the condenser 25 comprises an ambient inlet to receive an ambient cooling stream 61 and an ambient outlet to discharge a warmed ambient cooling stream 62 .
  • the first power system 1 In use, the first power system 1 generates primary power and flue gas stream 16 , while the second power system 2 cycles the waste heat recovery fluid as working fluid through the above described Rankine cycle.
  • the expander 23 drives drive shaft 29 which is coupled to a secondary generator 30 , such as an electric generator, to generate secondary power.
  • FIG. 2 schematically shows an alternative embodiment wherein the waste heat recovery fluid is not used as working fluid in a heat engine, but is used in an intermediate loop 3 to transfer heat from the waste heat recovery heat exchanger 21 to a heat engine wherein a different fluid is circulated as working fluid, such as water/steam.
  • the second power system 2 comprises the heat engine and the intermediate loop 3 .
  • operating the second power system 2 comprises circulating the waste heat recovery fluid (consisting of fluorinated ketones, in particular consisting of dodecafluoro-2-methylpentan-3-one) through the intermediate loop 3 and circulating a working fluid through a heat engine, such as a Rankine cycle, to generate the secondary power, the heat engine comprising a heat source heat exchanger 42 and a heat sink heat exchanger 25 , wherein the method comprises
  • FIGS. 1 and 2 Same reference numbers in FIGS. 1 and 2 are used to refer to similar components.
  • FIG. 2 shows an intermediate loop 3 in which the waste heat recovery fluid is circulated.
  • the intermediate loop 3 comprises the waste heat recovery heat exchanger 21 , a condenser 42 (being the heat source heat exchanger of the heat engine) and a pump 44 , being connected by intermediate loop conduits 41 , 43 and 45 .
  • An outlet of the heat recovery heat exchanger 21 is in fluid communication with an inlet of condenser 42 via first intermediate loop conduit 41 ; an outlet of the condenser 25 is in fluid communication with an inlet of pump 44 via second intermediate loop conduit 26 ; an outlet of the pump 44 is in fluid communication with an inlet of the waste heat recovery heat exchanger 21 via intermediate loop third conduit 45 .
  • the first power system 1 generates primary power and flue gas stream 16
  • the second power system 2 cycles the waste heat recovery fluid through the above described intermediate loop 3 transferring heat from the flue gas stream 16 to the heat engine via the condenser (being the heat source heat exchanger 42 ) of the heat engine.
  • a working fluid is circulated, driving expander 23 , which drives drive shaft 29 coupled to a secondary generator 30 , such as an electric generator, to generate secondary power.
  • Efficiency ⁇ WHR of the second power system is computed as the ratio of net power generated to the total amount of heat available with the exhaust gas:
  • ⁇ WHR m f ( W TE ⁇ W pump )/( m exhaust C P exhaust ( T in exhaust ⁇ T ambient ),

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)
  • Treating Waste Gases (AREA)
US15/775,196 2015-11-13 2016-11-10 Method of generating power using a combined cycle Abandoned US20180340452A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
IN6121CH2015 2015-11-13
IN6121/CHE/2015 2015-11-13
EP16151232.2 2016-01-14
EP16151232 2016-01-14
PCT/EP2016/077225 WO2017081131A1 (fr) 2015-11-13 2016-11-10 Procédé de production d'énergie utilisant un cycle combiné

Publications (1)

Publication Number Publication Date
US20180340452A1 true US20180340452A1 (en) 2018-11-29

Family

ID=57256328

Family Applications (1)

Application Number Title Priority Date Filing Date
US15/775,196 Abandoned US20180340452A1 (en) 2015-11-13 2016-11-10 Method of generating power using a combined cycle

Country Status (7)

Country Link
US (1) US20180340452A1 (fr)
EP (1) EP3374605B1 (fr)
JP (1) JP6868022B2 (fr)
CN (1) CN108368751B (fr)
AU (2) AU2016353483A1 (fr)
RU (1) RU2720873C2 (fr)
WO (1) WO2017081131A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2723816C1 (ru) * 2019-03-26 2020-06-17 Михаил Алексеевич Калитеевский Установка для утилизации отходов и генерации энергии

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060010872A1 (en) * 2004-07-16 2006-01-19 Honeywell International Inc. Working fluids for thermal energy conversion of waste heat from fuel cells using rankine cycle systems
US20120000200A1 (en) * 2010-06-30 2012-01-05 General Electric Company Inert gas purging system for an orc heat recovery boiler
US20120186253A1 (en) * 2011-01-24 2012-07-26 General Electric Company Heat Recovery Steam Generator Boiler Tube Arrangement
WO2012157285A1 (fr) * 2011-05-19 2012-11-22 千代田化工建設株式会社 Système de génération d'énergie composite
US20130104548A1 (en) * 2011-11-02 2013-05-02 E I Du Pont De Nemours And Company Use of compositions comprising 1,1,1,2,3-pentafluoropropane and optionally z-1,1,1,4,4,4-hexafluoro-2-butene in power cycles
US20130152576A1 (en) * 2011-12-14 2013-06-20 Nuovo Pignone S.P.A. Closed Cycle System for Recovering Waste Heat
US20130160450A1 (en) * 2011-12-22 2013-06-27 Frederick J. Cogswell Hemetic motor cooling for high temperature organic rankine cycle system
US20150214701A1 (en) * 2012-10-05 2015-07-30 Thomas Alfred Paul Apparatus Containing A Dielectric Insulation Gas Comprising An Organofluorine Compound

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7100380B2 (en) * 2004-02-03 2006-09-05 United Technologies Corporation Organic rankine cycle fluid
US20050188697A1 (en) * 2004-03-01 2005-09-01 Honeywell Corporation Fluorinated ketone and fluorinated ethers as working fluids for thermal energy conversion
DE102004040730B3 (de) * 2004-08-20 2005-11-17 Ralf Richard Hildebrandt Verfahren und Vorrichtung zum Nutzen von Abwärme
US7225621B2 (en) 2005-03-01 2007-06-05 Ormat Technologies, Inc. Organic working fluids
EP1764487A1 (fr) 2005-09-19 2007-03-21 Solvay Fluor GmbH Fluide de travail pour un procédé de type cycle organique de Rankine
WO2010045341A2 (fr) * 2008-10-14 2010-04-22 George Erik Mcmillan Générateur électrique/moteur à vapeur
US20110100009A1 (en) 2009-10-30 2011-05-05 Nuovo Pignone S.P.A. Heat Exchanger for Direct Evaporation in Organic Rankine Cycle Systems and Method
IT1397145B1 (it) * 2009-11-30 2013-01-04 Nuovo Pignone Spa Sistema evaporatore diretto e metodo per sistemi a ciclo rankine organico.
KR20140031226A (ko) * 2011-03-25 2014-03-12 쓰리엠 이노베이티브 프로퍼티즈 컴파니 유기 랜킨 사이클 작동 유체로서의 플루오르화 옥시란 및 이의 사용 방법
WO2013103447A2 (fr) 2012-01-03 2013-07-11 Exxonmobil Upstream Research Company Production d'énergie en utilisant un solvant non aqueux
ITFI20120193A1 (it) * 2012-10-01 2014-04-02 Nuovo Pignone Srl "an organic rankine cycle for mechanical drive applications"

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060010872A1 (en) * 2004-07-16 2006-01-19 Honeywell International Inc. Working fluids for thermal energy conversion of waste heat from fuel cells using rankine cycle systems
US20120000200A1 (en) * 2010-06-30 2012-01-05 General Electric Company Inert gas purging system for an orc heat recovery boiler
US20120186253A1 (en) * 2011-01-24 2012-07-26 General Electric Company Heat Recovery Steam Generator Boiler Tube Arrangement
WO2012157285A1 (fr) * 2011-05-19 2012-11-22 千代田化工建設株式会社 Système de génération d'énergie composite
US20130104548A1 (en) * 2011-11-02 2013-05-02 E I Du Pont De Nemours And Company Use of compositions comprising 1,1,1,2,3-pentafluoropropane and optionally z-1,1,1,4,4,4-hexafluoro-2-butene in power cycles
US20130152576A1 (en) * 2011-12-14 2013-06-20 Nuovo Pignone S.P.A. Closed Cycle System for Recovering Waste Heat
US20130160450A1 (en) * 2011-12-22 2013-06-27 Frederick J. Cogswell Hemetic motor cooling for high temperature organic rankine cycle system
US20150214701A1 (en) * 2012-10-05 2015-07-30 Thomas Alfred Paul Apparatus Containing A Dielectric Insulation Gas Comprising An Organofluorine Compound

Also Published As

Publication number Publication date
CN108368751B (zh) 2020-09-15
RU2018120240A (ru) 2019-12-13
RU2720873C2 (ru) 2020-05-13
AU2019268076A1 (en) 2019-12-12
AU2016353483A1 (en) 2018-05-17
JP6868022B2 (ja) 2021-05-12
EP3374605B1 (fr) 2020-05-06
AU2019268076B2 (en) 2021-03-11
EP3374605A1 (fr) 2018-09-19
WO2017081131A1 (fr) 2017-05-18
RU2018120240A3 (fr) 2020-03-05
JP2018533688A (ja) 2018-11-15
CN108368751A (zh) 2018-08-03

Similar Documents

Publication Publication Date Title
JP2018200029A (ja) 発電システム
CN103195524A (zh) 用于朗肯循环系统的非共沸工作流体混合物
US20110100009A1 (en) Heat Exchanger for Direct Evaporation in Organic Rankine Cycle Systems and Method
US20060207255A1 (en) Method and device for carrying out a thermodynamic cycle
MX2014011444A (es) Sistema y metodo para recuperar calor residual de fuentes de calor dual.
US10844753B2 (en) Boiler, steam-generating plant provided with same, and method for operating boiler
JP2018123756A (ja) 熱サイクル設備
Pattanayak et al. Thermodynamic analysis of combined cycle power plant using regasification cold energy from LNG terminal
JP2015183597A (ja) 排熱回収システム、これを備えているガスタービンプラント、及び排熱回収方法
AU2019268076B2 (en) Method of generating power using a combined cycle
Vélez Selecting working fluids in an organic Rankine cycle for power generation from low temperature heat sources
Paixão et al. Thermoeconomic analysis of conventional and recuperative ORC for heat recovery of exothermic reactions
Yang et al. Optimum composition ratios of multicomponent mixtures of organic Rankine cycle for engine waste heat recovery
RU2560503C1 (ru) Способ работы тепловой электрической станции
KR20120070197A (ko) 변압기의 손실열을 이용하는 발전시스템
RU2560505C1 (ru) Способ работы тепловой электрической станции
RU2559655C1 (ru) Способ работы тепловой электрической станции
RU2560502C1 (ru) Способ работы тепловой электрической станции
RU2560504C1 (ru) Способ работы тепловой электрической станции
RU2564470C2 (ru) Способ работы тепловой электрической станции
RU2560500C1 (ru) Способ работы тепловой электрической станции
RU2569994C2 (ru) Способ работы тепловой электрической станции
RU2569993C2 (ru) Способ работы тепловой электрической станции
RU2560514C1 (ru) Способ работы тепловой электрической станции
RU2564748C1 (ru) Способ работы тепловой электрической станции

Legal Events

Date Code Title Description
STPP Information on status: patent application and granting procedure in general

Free format text: DOCKETED NEW CASE - READY FOR EXAMINATION

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: FINAL REJECTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: ADVISORY ACTION MAILED

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

AS Assignment

Owner name: SHELL OIL COMPANY, TEXAS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HASABNIS, YOGESH CHANDRAKANT;RAGHAVENDRAN, SREENIVAS;JAIN, SHEKHAR;SIGNING DATES FROM 20200728 TO 20200818;REEL/FRAME:053915/0149

STPP Information on status: patent application and granting procedure in general

Free format text: NON FINAL ACTION MAILED

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION