WO2017083684A1 - Open thermodynamic cycle utilizing supercritical carbon dioxide without compressors - Google Patents
Open thermodynamic cycle utilizing supercritical carbon dioxide without compressors Download PDFInfo
- Publication number
- WO2017083684A1 WO2017083684A1 PCT/US2016/061582 US2016061582W WO2017083684A1 WO 2017083684 A1 WO2017083684 A1 WO 2017083684A1 US 2016061582 W US2016061582 W US 2016061582W WO 2017083684 A1 WO2017083684 A1 WO 2017083684A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- carbon dioxide
- power
- expanding
- supercritical carbon
- gas
- Prior art date
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 51
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 36
- 239000007789 gas Substances 0.000 claims abstract description 49
- 238000000034 method Methods 0.000 claims abstract description 22
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 8
- 239000001301 oxygen Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 230000032258 transport Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
-
- 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
-
- 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
- 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
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
- F02C1/08—Semi-closed cycles
-
- 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
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
- F02C1/10—Closed cycles
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/34—Gas-turbine plants characterised by the use of combustion products as the working fluid with recycling of part of the working fluid, i.e. semi-closed cycles with combustion products in the closed part of the cycle
-
- 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
- F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
- F02C3/36—Open cycles
-
- 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
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/12—Cooling of plants
- F02C7/14—Cooling of plants of fluids in the plant, e.g. lubricant or fuel
- F02C7/141—Cooling of plants of fluids in the plant, e.g. lubricant or fuel of working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
- F03G7/00—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for
- F03G7/06—Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/60—Fluid transfer
- F05D2260/61—Removal of CO2
Definitions
- the invention and its various embodiments relate to methods and systems for utilizing supercritical carbon dioxide (sC0 2 ) as a working fluid in an open thermodynamic cycle that produces mechanical power, electrical power, or both and a commercial grade sC0 2 product.
- sC0 2 supercritical carbon dioxide
- the invention and its various embodiments relate to the use of an open thermodynamic cycle using sC0 2 as a working fluid without the need for compressors, which provides the advantages of simplicity and thermal efficiency.
- thermodynamic cycle that utilizes sC0 2 as a working fluid, without compressors, and that provides power with improved simplicity and thermal efficiency is desirable.
- a method for utilizing sC0 2 includes combusting oxygen, fuel, and preheated recycled sC0 2 to produce a gas that is fed to a turbine to generate power; using the exhaust gas from the turbine to preheat the recycled supercritical carbon dioxide that is fed to the turbine; and passing the exhaust gas through a series of two sets of condensers and separators to provide a carbon dioxide stream from which the recycled supercritical carbon dioxide is generated using a pump that is powered by the turbine.
- the exhaust gas from the turbine provides a carbon dioxide stream, from which the recycled supercritical carbon dioxide is generated, that includes other exhaust gases from the turbine. These other exhaust gases are separated from the carbon dioxide and expanded in an expander that also provide power to the pump used to generate the sC0 2 .
- a single shaft is used that is common to the turbine, expander, and the pump used to generate the sC0 2 .
- excess sC0 2 may be removed from the system as a commercial grade sC0 2 product.
- Figure 1 is a process flow diagram of a process according to one embodiment of the invention.
- the present invention is directed towards methods and systems for utilizing supercritical carbon dioxide (sC0 2 ) in an open thermodynamic cycle without compressors.
- the methods and systems for utilizing sC0 2 as a working fluid include combusting oxygen, fuel, and preheated recycled sC0 2 to produce a gas that is fed to a turbine to generate power; using the exhaust gas from the turbine to preheat the recycled supercritical carbon dioxide that is fed to the turbine; and passing the exhaust gas through a series of condensers and separators to provide a carbon dioxide stream from which the recycled supercritical carbon dioxide is generated using a pump that is powered by the turbine.
- the thermodynamic cycle may produce mechanical power, electrical power, or both, and may produce commercial grade sC0 2 at a specific pressure and purity.
- the open thermodynamic cycle does not utilize compressors. Such a cycle therefore has inherent advantages of simplicity and thermal efficiency as compared to other configurations.
- the exhaust gas from the turbine includes not only the carbon dioxide stream from which the recycled supercritical carbon dioxide is generated, but other exhaust gases from the turbine. These other exhaust gases are separated from the carbon dioxide downstream of the condensers and separators and expanded in an expander that also provides power to the pump used to generate the sCCh.
- a single shaft is used that is common to the turbine, expander, and the pump used to generate the sCCh.
- excess sCCh may be removed from the system as a commercial grade sCCh product.
- Figure 1 is a process flow diagram of a process according to one embodiment of the invention. Specifically, Figure 1 shows an open thermodynamic cycle 100 that utilizes sCCh as a working fluid but without the need for compressors.
- thermodynamic cycle 100 oxygen 102 and fuel 104 at high pressure are combined in a combustion reaction in a combustor 106.
- the oxygen 102 may originate from any kind of process that provides enriched or pure oxygen. In some embodiments, the enriched oxygen is at a purity of higher than 95% by volume.
- the fuel 104 may be gaseous, liquid, or a mixture of gaseous and liquid fuels, but should not contain solids.
- heated recycled sCCh 158 is also added to the combustor 106 to limit the combustion temperature of the thermodynamic cycle 100.
- the resulting or combusted gas 108 from the combustion or combustor exhaust gas exits the combustor 106 and enters a turbine 110, where it is expanded to produce an expanded gas 114 or turbine exhaust gas.
- the turbine 110 generates power, which can be used to power both an electric generator 112 to produce electricity and a pump 152 by a common shaft 160.
- the turbine 110 can produce mechanical power, electrical power, or both.
- the expanded gas 114 enters a recuperative heat exchanger 116 where recycled sCCh 156 is preheated and introduced to the combustor 106 as preheated recycled sCCh 158.
- the expanded gas 114 is cooled in the recuperative heat exchanger 116 and the cooled exhaust gas 118 from the recuperative heat exchanger 116 enters a water and condensables condenser 120 in which water and other condensibles in the cooled exhaust gas 118 are condensed and passed to a separator 128.
- the separator 128 removes most of the water and condensables as a stream 130 at temperatures above the liquefaction temperature of CO2.
- a heat rejection system 126 is used to provide a cooling media for use in the water and condensables condenser 120 and from the CO2 condenser 134.
- the heat rejection system 126 may be dry air, wet evaporative, chiller-based, waste cold energy source based, river once-thru, ocean water once-thru, or any combination thereof.
- the cooling media is recirculated to the water and condensables condenser 120 using cooling medium supply pipe 124 and return pipe 122 and transports heat from the water and condensables condenser 120 to the heat rejection system 126.
- the cooling media is recirculated to the CO2 condenser 134 using cooling medium supply pipe 136 and return pipe 138 and transports heat from the CO2 condenser 134 to the heat rejection system 126.
- the CO2 separator 142 separates the liquid CO2 150 from the exhaust gases 144.
- the liquid CO2 150 is passed to a pump 152 that pressurizes the liquid CO2 to provide recycled sCC 156 to the recuperative heat exchanger 116 where heat is passed from the expanded gas or turbine exhaust gas 114 to the recycled sCC 156 to provide the preheated sCC 158 for the combustor 106.
- the pump 152 uses an extraction stream 154 to remove excess CO2 from the sCC and, therefore, from the recycled sCC and from the thermodynamic cycle.
- the extraction stream 154 can provide saleable sCC and is intended to provide the sCC pressure and purity desired. It should be appreciated that no compressors are necessary in the process 100.
- the exhaust gases 140 from the CO2 separator 142 are expanded in an expander 146, and exhaust gases 148 from the expander 146 are discharged to the atmosphere.
- the expander 146 generates power to power the common shaft 160.
- the common shaft 160 is common to the turbine 110, the electric generator 112, and the pump 152. Therefore, it should be appreciated that the operating speeds of turbine 110, electric generator 112, expander 146, and pump 152 may be different in order to maximize their respective efficiencies.
- common shaft 160 may also include speed-changing gears.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018544772A JP2018533696A (en) | 2015-11-13 | 2016-11-11 | Open thermodynamic cycle utilizing supercritical carbon dioxide without compressor |
US15/775,759 US20180340454A1 (en) | 2015-11-13 | 2016-11-11 | Open Thermodynamic Cycle Utilizing Supercritical Carbon Dioxide Without Compressors |
KR1020187016733A KR20180127307A (en) | 2015-11-13 | 2016-11-11 | Open thermodynamic cycle utilizing supercritical carbon dioxide without compressors |
GB1808002.8A GB2559080A (en) | 2015-11-13 | 2016-11-11 | Open thermodynamic cycle utilizing supercritical carbon dioxide without compressors |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201562255371P | 2015-11-13 | 2015-11-13 | |
US62/255,371 | 2015-11-13 | ||
US201562255382P | 2015-11-14 | 2015-11-14 | |
US62/255,382 | 2015-11-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017083684A1 true WO2017083684A1 (en) | 2017-05-18 |
Family
ID=58696133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2016/061582 WO2017083684A1 (en) | 2015-11-13 | 2016-11-11 | Open thermodynamic cycle utilizing supercritical carbon dioxide without compressors |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP2018533696A (en) |
KR (1) | KR20180127307A (en) |
GB (1) | GB2559080A (en) |
WO (1) | WO2017083684A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021058255A1 (en) * | 2019-09-26 | 2021-04-01 | Rolls-Royce Plc | Trans-critical thermodynamic system and method for removing solutes from fluid |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4498289A (en) * | 1982-12-27 | 1985-02-12 | Ian Osgerby | Carbon dioxide power cycle |
US20110226010A1 (en) * | 2007-11-28 | 2011-09-22 | Brigham Young University | Carbon dioxide capture from flue gas |
US20120090352A1 (en) * | 2010-10-13 | 2012-04-19 | Southwest Research Institute | Methods And Apparatus For An Oxy-Fuel Based Power Cycle |
US20160010551A1 (en) * | 2014-07-08 | 2016-01-14 | 8 Rivers Capital, Llc | Method and system for power production wtih improved efficiency |
-
2016
- 2016-11-11 GB GB1808002.8A patent/GB2559080A/en not_active Withdrawn
- 2016-11-11 WO PCT/US2016/061582 patent/WO2017083684A1/en active Application Filing
- 2016-11-11 JP JP2018544772A patent/JP2018533696A/en active Pending
- 2016-11-11 KR KR1020187016733A patent/KR20180127307A/en unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4498289A (en) * | 1982-12-27 | 1985-02-12 | Ian Osgerby | Carbon dioxide power cycle |
US20110226010A1 (en) * | 2007-11-28 | 2011-09-22 | Brigham Young University | Carbon dioxide capture from flue gas |
US20120090352A1 (en) * | 2010-10-13 | 2012-04-19 | Southwest Research Institute | Methods And Apparatus For An Oxy-Fuel Based Power Cycle |
US20160010551A1 (en) * | 2014-07-08 | 2016-01-14 | 8 Rivers Capital, Llc | Method and system for power production wtih improved efficiency |
Non-Patent Citations (2)
Title |
---|
ALLAM ET AL.: "High efficiency and low cost of electricity generation from fossil fuels while eliminating atmospheric emissions, including carbon dioxide", ENERGY PROCEDIA, vol. 37, 5 August 2013 (2013-08-05), pages 1135 - 1149, XP055380459 * |
RICHARD DENNIS: "US DOE FE Advanced Turbine Program: Suggested Next Steps for UTSR", 2014 UTSR WORKSHOP, October 2014 (2014-10-01), pages 13, Retrieved from the Internet <URL:https://www.netl.doe.gov/File%20Library/Events/2014/utsr-workshop/wed/Dennis-Final.pdf> [retrieved on 20170105] * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2021058255A1 (en) * | 2019-09-26 | 2021-04-01 | Rolls-Royce Plc | Trans-critical thermodynamic system and method for removing solutes from fluid |
Also Published As
Publication number | Publication date |
---|---|
GB2559080A (en) | 2018-07-25 |
JP2018533696A (en) | 2018-11-15 |
KR20180127307A (en) | 2018-11-28 |
GB201808002D0 (en) | 2018-07-04 |
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