CN110513193A - A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system - Google Patents

A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system Download PDF

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Publication number
CN110513193A
CN110513193A CN201910613954.2A CN201910613954A CN110513193A CN 110513193 A CN110513193 A CN 110513193A CN 201910613954 A CN201910613954 A CN 201910613954A CN 110513193 A CN110513193 A CN 110513193A
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gas turbine
power generation
fuel
methanol
combustion gas
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侯秦龙
赵洪滨
秦江阳
张秀成
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Shanghai Zhongfu New Energy Technology Co Ltd
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Shanghai Zhongfu New Energy Technology Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/46—Removing components of defined structure
    • B01D53/62—Carbon oxides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/81—Solid phase processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34—Chemical or biological purification of waste gases
    • B01D53/96—Regeneration, reactivation or recycling of reactants
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/08—Adaptations for driving, or combinations with, pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
    • F01D15/10—Adaptations for driving, or combinations with, electric generators
    • 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
    • F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • F02C3/22—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products the fuel or oxidant being gaseous at standard temperature and pressure
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M8/00—Fuel cells; Manufacture thereof
    • H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
    • H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
    • H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
    • H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0266—Processes for making hydrogen or synthesis gas containing a decomposition step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/06—Integration with other chemical processes
    • C01B2203/066—Integration with other chemical processes with fuel cells
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1217—Alcohols
    • C01B2203/1223—Methanol
    • 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
    • Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00—Capture or disposal of greenhouse gases
    • Y02C20/40—Capture or disposal of greenhouse gases of CO2
    • 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
    • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/50—Fuel cells
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight
    • 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
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2

Abstract

The present invention relates to heat power equipment and its systems technology fields, and disclose a kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system, specifically include: methanol in preparing hydrogen by reforming methanol-SOFC power generation sub-system is decomposed into low-grade hydrocarbon fuel by low-temperature solar in absorbing, and further the hydrocarbon fuel passes through CO2Absorb the reformation, separation and recycling CO therein of subsystem2Etc. a series of processing, carry out the H of high-purity2As the anode fuel of solid oxide fuel cell, CO at the same time2Absorb the CO of subsystem recycling2It is passed through CO2The CO of gas turbine power generation subsystem2Combustion gas turbine generates electricity, and the complete anode fuel of unreacted in solid oxide fuel cell is further passed through steam-injected gas turbine cycle power generation sub-system, carries out supplement fuel to afterburner.The present invention solve it is traditional divide production mode that energy power system is made to be difficult to the comprehensive various energy of cascade utilization, cause to occur cannot it is scientific and reasonable with can the technical issues of.

Description

A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system
Technical field
The present invention relates to heat power equipment and its systems technology field, specially a kind of solar energy methanol recapitalization recycles CO2's SOFC-STIG combined cycle process system.
Background technique
Since Hydrogen Energy is that most have secondary pollution-free, the efficient renewable energy of utility value, by increasingly extensive concern. For the higher hydrogen yield of preparing hydrogen by reforming methanol, further combined with the reasonable of methanol absorption low-temperature solar energy heat utilization hydrogen making Using theory, development by the novel way for becoming hydrogen utilization and can be grasped by the fuel cell system of fuel of methanol recapitalization hydrogen The strong cutting edge technology of the property made.
It is compared with conventional combustion and steam circulation, steam-injected gas turbine system does not have to be equipped with steam turbine generator group, Investment can be reduced under identical generating capacity.In addition, comparing with gas turbine, steam-injected gas turbine is due to being filled with Steam reduces chamber temperature, and the requirement to equipment reduces, and due to the input of steam, also adds turbine import flue gas Flow increases accordingly output work also, and generated energy increases.
Using CO2Trapping technique traps CO2It is current reduction CO2One of effective ways of discharge amount.CO2Trapping skill Art can be divided into three kinds of main Types: after burning, oxygenated fuel, before burning；Wherein, post-combustion capture technology is cigarette after combustion CO is separated in road gas2, CO2 is separated by the methods of physical absorption or chemical absorbing, this technology flue gas volume is big, discharges pressure It is low, CO2Divide it is small, investment and operating cost it is relatively high；Oxygenated fuel trapping technique is by fossil fuel in pure oxygen or oxygen-enriched Middle burning, containing only CO in flue gas2And steam, steam is condensed, just only remaining has CO2, can absolutely separate CO2, generally need Ignition temperature is reduced to the flue gas after burning again re-injection combustion furnace, improve CO2Volume fraction, this technology needs Special air-seperation system provides oxygen；Pre-combustion capture is by CO2It is separated before combustion of fossil fuel, first by fuel Gasification is produced into coal gas, then coal gas is reformed, and produces CO2And H2, isolate CO2, then the H that burns2。
CO2Trapping, using with seal up for safekeeping, for control CO2Discharge realizes that sustainable development plays a crucial role. CO2As the inevitable outcome of industrial activity, compared to merely being trapped and sealed up for safekeeping to it, CO2Resource utilization is available can The environmental benefit and economic well-being of workers and staff of sight.
However, it is above-mentioned it is traditional divide production mode that energy power system is made to be difficult to the comprehensive various energy of cascade utilization, cause It now cannot scientific and reasonable the technical issues of using energy.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of solar energy methanol recapitalizations to recycle CO2SOFC-STIG connection Close circulation technology system, solve it is traditional divide production mode that energy power system is made to be difficult to the comprehensive various energy of cascade utilization, lead Cause appearance cannot scientific and reasonable the technical issues of using energy.
(2) technical solution
To achieve the above object, the invention provides the following technical scheme:
A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system, including methanol recapitalization system Hydrogen-SOFC power generation sub-system, steam-injected gas turbine cycle power generation sub-system, CO2Gas turbine power generation subsystem and CO2It absorbs Subsystem；
Preparing hydrogen by reforming methanol-SOFC power generation sub-system include solar energy Methanol Decomposition device, solid oxide fuel cell, Air compressor, afterburner and power generator；
Steam-injected gas turbine cycle power generation sub-system includes waste heat boiler, combustion gas turbine, afterburner and power generator；
CO2Gas turbine power generation subsystem includes CO2Compressor, CO2Combustion gas turbine and power generator；
CO2Absorbing subsystem includes reforming reactor, separator one, CaCO3Calcining compartment and separator two；
Wherein, the methanol in preparing hydrogen by reforming methanol-SOFC power generation sub-system is decomposed by low-temperature solar in absorbing Low-grade hydrocarbon fuel, further the hydrocarbon fuel passes through CO2Absorb the reformation, separation and recycling CO therein of subsystem2Deng A series of processing carry out the H of high-purity2As the anode fuel of solid oxide fuel cell, CO at the same time2Absorb son The CO of system recycling2It is passed through CO2The CO of gas turbine power generation subsystem2Combustion gas turbine generates electricity, further by solid oxidation The complete anode fuel of unreacted is passed through steam-injected gas turbine cycle power generation sub-system in object fuel cell, carries out to afterburner Supplement fuel.
Preferably, the combustion gas turbine and air compressor are coaxially arranged, and are connected with generating set, and the electric energy of generation can Directly to be used for industrial load.
Preferably, the CO2Compressor and CO2Combustion gas turbine is coaxially arranged, and is connected with generating set, CO2Combustion gas turbine Fuel gas inlet and two CO of separator2Outlet is connected, CO2Combustion gas turbine outlet carries out CO2Trapping.
Preferably, the combustion gas that the anode of the solid oxide fuel cell does not react completely is divided into two by current divider Part: a part is recycling combustion gas, is mixed in mixer with pre-heating fuel gas；Another part is afterburner import combustion Gas, the afterburner outlet gas entered after afterburner burning with cathode outlet air enter gas turbine power generation.
(3) beneficial technical effect
Compared with prior art, the present invention has following beneficial technical effect:
1. the present invention is using " methanol in preparing hydrogen by reforming methanol-SOFC power generation sub-system passes through low-temperature solar energy in absorbing Thermal decomposition is low-grade hydrocarbon fuel, and further the hydrocarbon fuel passes through CO2It absorbs the reformation of subsystem, separation and recycles it In CO2Etc. a series of processing, carry out the H of high-purity2As the anode fuel of solid oxide fuel cell, at the same time CO2Absorb the CO of subsystem recycling2It is passed through CO2The CO of gas turbine power generation subsystem2Combustion gas turbine generates electricity, further The complete anode fuel of unreacted in solid oxide fuel cell is passed through steam-injected gas turbine cycle power generation sub-system, it is right Afterburner carries out supplement fuel " technical solution, solve and traditional divide production mode that energy power system is made to be difficult to comprehensive step Using various energy, cause appearance cannot scientific and reasonable the technical issues of using energy.
2. CO of the present invention2Absorbing reforming reactor in subsystem uses CaO as absorbent, absorbs produced by reforming reaction CO2, generate CaCO3, reforming reaction product is CaCO3, H2And vapor, reforming reaction product are passed through separator one, gas produces Object enters SOFC anode as anode fuel, is stripped of CO2Fuel gas carry out electrode reaction can fundamentally solve due to The anode of fuel cell carbon distribution problem that carbon-containing fuel pyrolysis accumulation is formed, improves fuel energy density, and can effectively extend The electrode material service life；And solid CaCO3It is passed through CaCO3Calcining compartment generates CaO and CO2, calcining compartment reaction product is passed through separator Two, gaseous product enters CO2Gas turbine power generation, solid product CaO enter reforming reactor and recycle as absorbent.
3. CO of the present invention2Compressor and CO2Combustion gas turbine is coaxially arranged, and is connected with generating set, CO2Combustion gas turbine Fuel gas inlet and two CO of separator2Outlet is connected, CO2Combustion gas turbine outlet carries out CO2Trapping, CO2Combustion gas turbine outlet carries out CO2 Reduce greenhouse gas emission while trapping is as the utilization of resources.
Detailed description of the invention
Fig. 1 is that a kind of solar energy methanol recapitalization of the present invention recycles CO2SOFC-STIG combined cycle process system technique Flow chart.
It is indicated in figure: 101- methanol preheater, 102- solar energy Methanol Decomposition device；
201- fuel compressor, 202- preheater two, 203- air compressor, 204- combustion gas turbine；
301- mixer, 302- reforming reactor, 303- separator one, 304-CaCO3Calcining compartment, 305- separator two；
401- solid oxide fuel cell, 402- current divider, 403- afterburner；
501- waste heat boiler, 502- feed pump；
601- preheater one；
701-CO2Compressor, 702-CO2Combustion gas turbine；
1- methanol fuel, methanol after 2- preheating, 3-H2+CO2Fuel gas, 4- low temperature H2+CO2Fuel gas, 5- pressurized fuel Gas, 6- pre-heating fuel gas, 7- fuel combination gas, 8- reformed gas product, 9- anode export combustion gas, 10- recycle combustion gas, 11- Afterburner inlet gas, 12- afterburner outlet gas, 13- atmospheric ambient air, 14- pressure-air, 15- preheated air, 16- Cathode inlet air, 17- cathode outlet air, the exhaust of 18- combustion engine, the gas side import of 19- waste heat boiler, the smoke evacuation of 20- waste heat boiler, 21- entrance of water-supplying pump, 22- water supply pump discharge, 23- waste heat boiler water side outlet, 24- reforming reaction product, 25- separator one are solid Body outlet, 26-CaCO3Calcining compartment outlet, two solid outlet of 27- separator, two CO of 28- separator2Outlet, 29-CO2Combustion gas is saturating It clears mouth.
Specific embodiment
A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system, including methanol recapitalization system Hydrogen-SOFC power generation sub-system, steam-injected gas turbine cycle power generation sub-system, CO2Gas turbine power generation subsystem and CO2It absorbs Subsystem；Wherein, SOFC is solid oxide fuel cell, and STIG is steam-injected gas turbine；
As shown in Figure 1, preparing hydrogen by reforming methanol-SOFC power generation sub-system includes solar energy Methanol Decomposition device 102, solid oxygen Compound fuel cell 401, air compressor 203 and power generator；
Steam-injected gas turbine cycle power generation sub-system includes waste heat boiler 501, combustion gas turbine 204, afterburner 403 and hair Electric installation；
CO2Gas turbine power generation subsystem includes CO2Compressor 701, CO2Combustion gas turbine 702 and power generator；
CO2Absorbing subsystem includes reforming reactor 302, separator 1, CaCO3Calcining compartment 304, separator 2 305；
Preparing hydrogen by reforming methanol-SOFC power generation sub-system:
Methanol fuel 1 enters methanol preheater 101, and methanol 2 enters solar energy Methanol Decomposition device 102, H after preheating2+CO2 Fuel gas 3 enters methanol preheater 101, low temperature H2+CO2Fuel gas 4 enters fuel compressor 201, and pressurized fuel gas 5 enters pre- Hot device 2 202, pre-heating fuel gas 6 and recycling combustion gas 10 enter mixer 301, and fuel combination gas 7 enters reforming reactor 302 Middle completion inside reforming, reforming reaction product 24 are passed through separator 1, and reformed gas product 8 enters solid oxide fuel The anode of battery 401 is as anode fuel；
The anode export combustion gas 9 that the anode of solid oxide fuel cell 401 does not react completely divides by current divider 402 Two parts:
A part is recycling combustion gas 10, is mixed with pre-heating fuel gas 6, prevents from improving pre-reforming temperature while carbon distribution Degree, generates more H2；
Another part is afterburner inlet gas 11, after entering after afterburner 403 burns with cathode outlet air 17 It fires room outlet gas 12 and enters gas turbine power generation；
The entrance of air compressor 203 is connected with atmospheric ambient air 13, its outlet is connected with the entrance of pressure-air 14, The outlet of pressure-air 14 enters solid by preheater 2 202, preheated air 15, preheater 1, cathode inlet air 16 The cathode of oxide fuel cell 401；
Steam-injected gas turbine (STIG) circulating generation subsystem:
The combustion engine exhaust 18 of combustion gas turbine 204 enters preheater 1, and waste heat boiler gas side import 19 is passed through with waste heat The water side-entrance of the waste heat boiler 501 of boiler exhaust gas 20, waste heat boiler 501 is connected with the water outlet of feed pump 502, feed pump 502 water inlet is connected with entrance of water-supplying pump 21；
Waste heat boiler water side outlet 23 is passed through afterburner 403, mixed with cathode outlet air 17 and afterburner inlet gas 11 Combination burning, obtained afterburner outlet gas 12 enter the acting power generation of combustion gas turbine 204, combustion gas turbine 204 and air compressor 203 is coaxially arranged, and is connected with generating set, and the electric energy of generation can be used directly for industrial load；
CO2Gas turbine power generation subsystem:
CO2Compressor 701 and CO2Combustion gas turbine 702 is coaxially arranged, and is connected with generating set, CO2Combustion gas turbine 702 Fuel gas inlet and two CO of separator2Outlet 28 is connected, CO2Combustion gas turbine outlet 29 carries out CO2Trapping, as the utilization of resources Reduce greenhouse gas emission simultaneously；
CO2Absorb subsystem:
Reforming reactor 302, as absorbent, absorbs CO caused by reforming reaction using CaO2, generate CaCO3, reform Reaction product 24 is CaCO3, H2And vapor, reforming reaction product 24 are passed through separator 1, one solid outlet 25 of separator It is passed through CaCO3Calcining compartment 304 generates CaO and CO2, CaCO3Calcining compartment outlet 26 is passed through separator 2 305, and two solid of separator goes out Mouth 27 enters reforming reactor 302 and recycles as absorbent, two CO of separator2Outlet 28 enters CO2Combustion gas turbine 702 is sent out Electricity.

Claims (4)

1. a kind of solar energy methanol recapitalization recycles CO2SOFC-STIG combined cycle process system, which is characterized in that including methanol Reformation hydrogen production-SOFC power generation sub-system, steam-injected gas turbine cycle power generation sub-system, CO2Gas turbine power generation subsystem and CO2Absorb subsystem；
Preparing hydrogen by reforming methanol-SOFC power generation sub-system includes solar energy Methanol Decomposition device (102), solid oxide fuel cell (401), air compressor (203), afterburner (403) and power generator；
Steam-injected gas turbine cycle power generation sub-system include waste heat boiler (501), combustion gas turbine (204), afterburner (403) and Power generator；
CO2Gas turbine power generation subsystem includes CO2Compressor (701), CO2Combustion gas turbine (702) and power generator；
CO2Absorbing subsystem includes reforming reactor (302), separator one (303), CaCO3Calcining compartment (304) and separator two (305)；
Wherein, the methanol in preparing hydrogen by reforming methanol-SOFC power generation sub-system is decomposed into low product by low-temperature solar in absorbing The hydrocarbon fuel of position, further the hydrocarbon fuel passes through CO2Absorb the reformation, separation and recycling CO therein of subsystem2Deng a system Column processing carrys out the H of high-purity2As the anode fuel of solid oxide fuel cell (401), CO at the same time2Absorb son The CO of system recycling2It is passed through CO2The CO of gas turbine power generation subsystem2Combustion gas turbine (702) generates electricity, and will further consolidate The complete anode fuel of unreacted is passed through steam-injected gas turbine cycle power generation sub-system in oxide body fuel cell (401), Supplement fuel is carried out to afterburner (403).
2. solar energy methanol recapitalization according to claim 1 recycles CO2SOFC-STIG combined cycle process system, it is special Sign is that the combustion gas turbine (204) and air compressor (203) are coaxially arranged, and are connected with generating set, the electric energy of generation It can directly be used for industrial load.
3. solar energy methanol recapitalization according to claim 1 recycles CO2SOFC-STIG combined cycle process system, it is special Sign is, the CO2Compressor (701) and CO2Combustion gas turbine (702) is coaxially arranged, and is connected with generating set, CO2Combustion gas is saturating The fuel gas inlet and two CO of separator of flat (702)2It exports (28) to be connected, CO2Combustion gas turbine exports (29) and carries out CO2Trapping.
4. solar energy methanol recapitalization according to claim 1 recycles CO2SOFC-STIG combined cycle process system, it is special Sign is that the combustion gas that the anode of the solid oxide fuel cell (401) does not react completely is divided by current divider (402) Two parts: a part is recycling combustion gas (10), is mixed in mixer (301) with pre-heating fuel gas (6)；Another part is Afterburner inlet gas (11) enters the afterburner outlet gas after afterburner (403) burning with cathode outlet air (17) (12) enter gas turbine power generation.
CN201910613954.2A 2019-07-09 2019-07-09 A kind of solar energy methanol recapitalization recycling CO2SOFC-STIG combined cycle process system Pending CN110513193A (en)

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CN112922740A (en) * 2021-02-08 2021-06-08 山东大学 Cold, heat, electricity and hydrogen combined supply system driven by waste heat of engine and working method
CN114151152A (en) * 2021-11-30 2022-03-08 上海中弗新能源科技股份有限公司 SOFC-STIG combined cycle process system for recovering CO2 by reforming solar methanol
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CN109004244A (en) * 2018-07-09 2018-12-14 中国石油大学(北京) Solid oxide fuel cell association system based on solar energy preparing hydrogen by reforming methanol
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CN112922740A (en) * 2021-02-08 2021-06-08 山东大学 Cold, heat, electricity and hydrogen combined supply system driven by waste heat of engine and working method
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Application publication date: 20191129