CN109458258A - The zero-emission electricity generation system and method thermally decomposed using Driven by Solar Energy carbon dioxide - Google Patents
The zero-emission electricity generation system and method thermally decomposed using Driven by Solar Energy carbon dioxide Download PDFInfo
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- CN109458258A CN109458258A CN201811338470.3A CN201811338470A CN109458258A CN 109458258 A CN109458258 A CN 109458258A CN 201811338470 A CN201811338470 A CN 201811338470A CN 109458258 A CN109458258 A CN 109458258A
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- carbon dioxide
- regenerator
- solar energy
- high temperature
- oxygen
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- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 186
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 103
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 101
- 230000005611 electricity Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 12
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 42
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000002485 combustion reaction Methods 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 12
- 238000010248 power generation Methods 0.000 claims abstract description 12
- 230000005855 radiation Effects 0.000 claims abstract description 8
- -1 amido carbon dioxide Chemical compound 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 238000005979 thermal decomposition reaction Methods 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- 229910052799 carbon Inorganic materials 0.000 claims description 13
- 229910044991 metal oxide Inorganic materials 0.000 claims description 10
- 150000004706 metal oxides Chemical class 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 241000790917 Dioxys <bee> Species 0.000 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 229910000420 cerium oxide Inorganic materials 0.000 claims description 4
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical group [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 125000003368 amide group Chemical group 0.000 claims description 2
- 239000002737 fuel gas Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 230000003647 oxidation Effects 0.000 claims description 2
- 238000007254 oxidation reaction Methods 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 238000004146 energy storage Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 238000004220 aggregation Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 229960004424 carbon dioxide Drugs 0.000 description 74
- 239000000126 substance Substances 0.000 description 9
- 239000000047 product Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical class [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 235000010215 titanium dioxide Nutrition 0.000 description 2
- 229910003389 CeO2-δ Inorganic materials 0.000 description 1
- 229910003385 CeO2–δ Inorganic materials 0.000 description 1
- 229910003411 CeO2−δ Inorganic materials 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002090 carbon oxide Inorganic materials 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0203—Preparation of oxygen from inorganic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/40—Carbon monoxide
-
- 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
- F02C3/30—Adding water, steam or other fluids for influencing combustion, e.g. to obtain cleaner exhaust gases
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
Abstract
The invention discloses a kind of zero-emission electricity generation systems and method thermally decomposed using Driven by Solar Energy carbon dioxide for belonging to solar energy thermal-power-generating field.The system is mainly made of the part such as solar energy high temperature thermochemical reactor, regenerator, air storage chamber, combustion chamber, turbine, compressor, pump.Within the system, the high temperature solar of aggregation provides heat for carbon dioxide Thermochemical Decomposition, generates carbon monoxide and the pressurized feeding combustion chambers burn of oxygen directly heats driving carbon dioxide power cycle power generation；The extra carbon monoxide and oxygen storage that heat chemistry generates are in air storage chamber, to adapt to the variation of solar radiation intensity.The system carries out stablizing energy storage using solar energy high temperature thermal chemical reaction, carries out high-efficiency cleaning power generation by carbon dioxide power cycle；The two coupling can avoid influence of the solar energy fluctuation to generator unit, realize the output of solar energy thermal-power-generating efficient stable.
Description
Technical field
The invention belongs to solar energy thermal-power-generating field, in particular to it is a kind of using Driven by Solar Energy carbon dioxide thermal decomposition
Zero-emission electricity generation system and method；Specifically one kind is integrated in oxygen-enriched based on the thermochemical solar energy fuel of carbon dioxide high temperature
It burns direct-fired carbon dioxide electricity generation system.
Background technique
Solar energy is the most abundant renewable energy of reserves, and the solar energy for reaching earth surface per hour almost can satisfy
Energy requirement in mankind's mesh the previous year.But traditional photo-thermal, photovoltaic power generation are by solar radiation strength fluctuation, intermittence
Be affected, in order to guarantee electric power stablize output, generally require energy storage technology.Solar heat chemistry is considered a kind of non-
The normal potential energy storage mode that thermal energy is converted to chemical energy, wherein the solar heat chemical cycle based on metal oxide point
Solution carbon dioxide obtains carbon monoxide and has obtained more and more extensive research.This recycles the oxidationreduction of metal oxide
Reaction is realized by inversion of phases mutual between high-valence state metal oxide and its lower valency metal oxide or metallic state to dioxy
The decomposition for changing carbon, by taking two step of carbon dioxide based on cerium oxide is decomposed as an example, reactional equation is as follows:
Step 1:
Step 2: CeO2-δ+δCO2→CeO2+δCO
Net reaction:
It can be seen that the process can be by CO2Resolve into CO and O2, and due to being divided into two reactions, two kinds of reaction products can
To be collected in different outlets, without increasing separation equipment.
The direct-fired supercritical carbon dioxide power cycle of oxygen-enriched combusting is considered a kind of very potential carbon-based
The technological means of fuel-efficient zero-emission power generation.In the power cycle, it is super to directly heat high pressure for carbon-containing fuel and oxygen combustion
Critical carbon dioxide, the high temperature and high pressure flue gas of generation enter turbine acting power generation.Since the operation working medium of the circulation and burning produce
Object is carbon dioxide, and the carbon dioxide that burning generates can be easily isolated from turbine exhaust, is set without complicated carbon of catching
It is standby；Simultaneously using supercritical carbon dioxide Near The Critical Point compression wasted work it is small and using backheat means, it can be achieved that efficiently hair
Electricity.But the conventional direct-fired supercritical carbon dioxide power cycle of oxygen-enriched combusting is using conventional fossil energy as fuel,
Oxygen needed for burning contains sulfide, nitrogen oxides often from power consumption huge air separation unit in combustion product
And the impurity such as moisture, need complicated purification separation device.If the solar heat chemical cycle based on metal oxide point
The carbon monoxide and oxygen for solving carbon dioxide acquisition are applied to the direct-fired supercritical carbon dioxide power cycle of oxygen-enriched combusting,
Can be to avoid the consumption of fossil energy, and save the equipment such as space division, purification separation device.
In view of this, the invention proposes a kind of zero-emission power generation systems using the thermal decomposition of Driven by Solar Energy carbon dioxide
System, by solar heat chemical cycle and the direct-fired supercritical carbon dioxide power cycle of oxygen-enriched combusting based on carbon dioxide
Rationally coupling can overcome solar energy fluctuation, the intermittent influence to generator unit, while realize that high-efficiency cleaning generates electricity,
Solar energy thermal-power-generating field has a good application prospect.
Summary of the invention
The purpose of the present invention is to propose to it is a kind of using Driven by Solar Energy carbon dioxide thermal decomposition zero-emission electricity generation system and
Method, which is characterized in that disk type solar collector connects high temperature thermochemical reactor, and high temperature thermochemical reactor and multithread are returned
Hot device connects and constitutes circuit；Wherein, the upper product heat cal rod of multithread regenerator connects oxygen storage room, and passes through oxygen compressor
It is connect with combustion chamber, heat pipe is flowed back in multithread regenerator and is connect with amido carbon dioxide separator；Amido carbon dioxide separation
Device connects the connecting node of Carbon monoxide storage tank and carbon monoxide compressor all the way；It is flowed back under another way and multithread regenerator
Heat pipe one end is connect with the connecting node of carbon dioxide storage room；It is anti-that the product heat cal rod other end that flows down returns again to connection high temperature heat chemistry
Answer device；Carbon monoxide compressor is connect with combustion chamber；Combustion chamber and high pressure turbine, No. 1 regenerator are connected into circuit；No. 1 backheat
Device and No. 2 regenerators, No. 1 cooler, compressor, No. 2 coolers, pump, No. 2 regenerators are connected in series to form circuit；Pump is again logical
It crosses bypass regenerator and connects No. 1 regenerator and No. 2 regenerator connecting nodes；High pressure turbine is connected with low pressure turbine, generator；It is low
Pressure turbine connects bypass regenerator；Bypass regenerator low side outlets connect dirty product heat cal rod one end and two of two multithread regenerators again
The connecting node of carbonoxide storage room.
The working principle of the zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide, the dish-style sun
Energy heat collector assembles high-temperature solar to the driving carbon dioxide high temperature Thermochemical Decomposition reaction of high temperature thermochemical reactor；High temperature
The oxygen that thermochemical reactor generates is cooling through multithread regenerator, then send through oxygen compressor pressurization to combustion chamber；High warm
The carbon monoxide that chemical reactor generates through multithread regenerator it is cooling enter amido carbon dioxide separator separation carbon monoxide and
Carbon dioxide, the carbon monoxide that amido carbon dioxide separator generates are sent through carbon monoxide compressor pressurization to combustion chamber, with
The high-pressure carbon dioxide from No. 1 regenerator, the high temperature and pressure of formation are directly heated from the high pressure oxygen burning of oxygen compressor
Combustion gas enters high pressure turbine acting；High pressure turbine generate a part of high-temperature exhaust air pass sequentially through No. 1 regenerator, No. 2 regenerators,
No. 1 cooler, carbon dioxide after cooling are pressurizeed by compressor, then enter pump boosting, pump discharge through No. 2 coolers are cooling
High-pressure carbon dioxide be divided into two strands and respectively enter bypass regenerator, the heating of No. 2 regenerators, two bursts of high temperature titanium dioxides after heating
Carbon converges further to be heated through No. 1 regenerator, is sent to combustion chamber and is adjusted ignition temperature；Remaining high-temperature exhaust air that high pressure turbine generates
It does work into low pressure turbine, the low pressure exhaust of driven generator power generation, generation is cooling through bypass regenerator and comes from amido dioxy
The carbon dioxide for changing carbon separation unit converges, and heats through multithread regenerator, eventually enters into high temperature thermochemical reactor and completes circulation.
The working principle of a kind of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide, when too
When sun energy radiation intensity is big, the carbon dioxide of carbon dioxide storage room need to import the carbon dioxide from bypass regenerator, together
Enter high temperature thermochemical reactor after the heating of multithread regenerator and carries out the reaction of high temperature Thermochemical Decomposition, the outlet of multithread regenerator
Extra oxygen enters the storage of oxygen storage room, and the extra carbon monoxide of amido carbon dioxide separator outlet enters carbon monoxide storage
Deposit room storage；When solar radiation intensity becomes smaller or when without solar energy, the oxygen of oxygen storage room and Carbon monoxide storage tank
Carbon monoxide is sent after passing through oxygen compressor, carbon monoxide compressor pressurization respectively to combustion chambers burn, guarantees that electric power is continuously put down
The extra low pressure CO 2 of steady output, the outlet of bypass regenerator enters the storage of carbon dioxide storage room.
A kind of working principle of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide, uses
Multithread regenerator preheats the carbon dioxide before high temperature thermochemical reactor entrance, is based in high temperature thermochemical reactor
Metal oxide is the two step Decomposition Cycle of carbon dioxide of cerium oxide, zinc oxide or iron oxide, and reaction temperature is about 1500 DEG C, pressure
Power is 1atm.
A kind of working principle of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide, pumps out
Mouth carbon dioxide belongs to supercriticality, and pressure is 30MPa or so, through bypassing regenerator, No. 2 regenerators, No. 1 regenerator pre-add
Heat enters back into combustion chamber；High pressure turbine pressure at expulsion is 3MPa or so, and a part enters low pressure turbine and does work, and quality is an oxidation
The amount that carbon burning generates, pressure at expulsion 1atm.
The present invention has the following advantages and beneficial effects: thermochemical cycles of the Driven by Solar Energy based on metal oxide and richness
Oxygen burning directly heats driving two-stage carbon dioxide power cycle coupling integration, can carry out stablizing chemical energy storage and efficiently output electricity
Power, while meeting material balance, it realizes solar energy stability and high efficiency clean electric power generation, has the following characteristics that
(1) carbon monoxide that Driven by Solar Energy carbon dioxide decomposition is produced can carry out stable chemical energy storage, overcome the sun
Energy fluctuation and intermittent influence, meet the needs of generation load immediately；The oxygen that solar heat chemical reaction simultaneously generates
It can be used for CO burning, without additional air separation equipment.
(2) carbon dioxide is as generating working medium, can segregated combustion generates directly from tail part exhaust carbon dioxide, be
Solar heat chemical cycle provides raw material, realizes that the material of whole power generation cycle is self-supporting；Meanwhile being faced using supercritical carbon dioxide
Boundary's point nearby compresses the feature that wasted work is small and backheat effect is good, realizes efficiency power generation.
(3) anti-higher than the carbon dioxide heat chemistry of Driven by Solar Energy since the pressure at expulsion of high pressure turbine is 3MPa or so
The pressure answered, this system are done work using two stage turbine, the carbon dioxide driving that the burning isolated from high pressure turbine exhaust generates
Low pressure turbine acting releases stress, and avoids the waste of pressure.
(4) multithread regenerator can effectively recycle the waste heat of high temperature heat chemistry product, and the energy for improving solar energy to fuel turns
Change efficiency；The heat of turbine exhaust can be recycled in No. 1 regenerator, No. 2 regenerators, No. 3 regenerators of generator unit, improves power generation effect
Rate.
Detailed description of the invention
Fig. 1 is the zero-emission electricity generation system schematic diagram thermally decomposed using Driven by Solar Energy carbon dioxide.
In figure: 1- disk type solar collector, 2- high temperature thermochemical reactor, 3- multithread regenerator, 4- oxygen storage room,
5- oxygen compressor, 6- amido carbon dioxide separator, 7- Carbon monoxide storage tank, 8- carbon monoxide compressor, the combustion chamber 9-,
10- high pressure turbine, 11- low pressure turbine, 12- generator, 13-1 regenerator, 14-2 regenerator, 15-1 cooler, 16-
Compressor, 17-2 cooler, 18- pump, 19- bypass regenerator, 20- carbon dioxide storage room.
Specific embodiment
The invention proposes the zero-emission electricity generation systems using the thermal decomposition of Driven by Solar Energy carbon dioxide, with reference to the accompanying drawing
It is explained.
The zero-emission electricity generation system thermally decomposed using Driven by Solar Energy carbon dioxide as shown in Figure 1, disc type solar energy collection
Hot device 1 connects high temperature thermochemical reactor 2, and high temperature thermochemical reactor 2 connect with multithread regenerator 3 and constitutes circuit；Multithread
Regenerator 3 connects oxygen storage room 4, and multithread regenerator 3 is connect by oxygen compressor 5 with combustion chamber 9, and multithread regenerator 3 is again
It is connect with amido carbon dioxide separator 6 and constitutes circuit；Amido carbon dioxide separator 6 connects Carbon monoxide storage tank 7, amine
Base carbon dioxide separator 6 is connect further through carbon monoxide compressor 8 with combustion chamber 9；Combustion chamber 9 is returned with high pressure turbine 10,1
Hot device 13 is connected into circuit；No. 1 regenerator 13 and No. 2 regenerator 14 connect and constitutes circuit；No. 2 regenerators again with No. 1 cooling
Device 15,16, No. 2 coolers 17 of compressor, 18 connection forming circuit of pump；Pump 18 connects No. 1 backheat further through bypass regenerator 19
Device 13；High pressure turbine 10 is connected with low pressure turbine 11, generator 12；The connection bypass regenerator 19 of low pressure turbine 11；Bypass backheat
19 low side outlets of device are separately connected two multithread regenerators 3 and carbon dioxide storage room 20 again.
Working principle of the present invention using the zero-emission electricity generation system of Driven by Solar Energy carbon dioxide thermal decomposition, the dish-style sun
Energy heat collector 1 assembles high-temperature solar and drives the reaction of carbon dioxide high temperature Thermochemical Decomposition to high temperature thermochemical reactor 2；It is high
Warm two step of carbon dioxide that the generation in chemical reactor 2 is based on metal oxide (such as cerium oxide, zinc oxide or iron oxide)
Decomposition Cycle, reaction temperature are about 1500 DEG C, pressure 1atm.The oxygen that high temperature thermochemical reactor 2 generates is through multithread backheat
Device 3 is cooling, then send through the pressurization of oxygen compressor 5 to combustion chamber 9；The carbon monoxide that high temperature thermochemical reactor 2 generates is through more
It flows the cooling amido carbon dioxide separator 6 that enters of regenerator 3 and separates carbon monoxide and carbon dioxide, amido carbon dioxide separator
6 carbon monoxide generated are sent through the pressurization of carbon monoxide compressor 8 to combustion chamber 9, are fired with the high pressure oxygen from oxygen compressor 5
Burning directly heats the high-pressure carbon dioxide from No. 1 regenerator 13, and the high-temperature high-pressure fuel gas of formation enters the acting of high pressure turbine 10；
A part of high-temperature exhaust air that high pressure turbine 10 generates passes sequentially through the cooler 15 of regenerator 14,1 of No. 1 regenerator 13,2, cold
But the carbon dioxide after is pressurizeed by compressor 16, then enters 18 boosting of pump, the height of 18 outlet of pump through No. 2 coolers 17 are cooling
Pressure carbon dioxide is divided into two strands and respectively enters 19, No. 2 heating of regenerators 14 of bypass regenerator, two bursts of high temperature titanium dioxides after heating
Carbon converges further to be heated through No. 1 13 regenerators, is sent to combustion chamber 9 and is adjusted ignition temperature；Its reinforcement that high pressure turbine 10 generates
Temperature exhaust enters low pressure turbine 11 and does work, and driven generator 12 generates electricity, wherein 18 outlet carbon dioxide of pump belongs to supercritical state
State, pressure are 30MPa or so, enter back into combustion chamber 9 through the bypass regenerator 13 of regenerator 14,1 of regenerator 19,2 preheating；
10 pressure at expulsion of high pressure turbine is 3MPa or so, and a part enters low pressure turbine 11 and does work, and quality is CO burning generation
Amount, pressure at expulsion 1atm.The low pressure exhaust of generation is cooling through bypass regenerator 19 and comes from amido carbon dioxide separator 6
Carbon dioxide converge, through multithread regenerator 3 heat, eventually enter into high temperature thermochemical reactor 2 complete circulation.
When solar radiation intensity is big, the carbon dioxide of carbon dioxide storage room 20 need to be imported from bypass regenerator 19
Carbon dioxide, together through multithread regenerator 3 heating after enter high temperature thermochemical reactor 2 carry out high temperature Thermochemical Decomposition it is anti-
It answers, the extra oxygen that multithread regenerator 3 exports enters the storage of oxygen storage room 4, and amido carbon dioxide separator 6 exports extra
Carbon monoxide enters the storage of Carbon monoxide storage tank 7；When solar radiation intensity becomes smaller or when without solar energy, oxygen storage room 4
Oxygen and Carbon monoxide storage tank 7 carbon monoxide pass through respectively oxygen compressor 5, carbon monoxide compressor 8 pressurize after give
It burns to combustion chamber 9, guarantees the output of electric power continuous and stable, the extra low pressure CO 2 that bypass regenerator 19 exports enters dioxy
Change Carbon stock room 20 to store.
Claims (6)
1. a kind of zero-emission electricity generation system thermally decomposed using Driven by Solar Energy carbon dioxide, which is characterized in that disc type solar energy
Heat collector (1) connects high temperature thermochemical reactor (2), and high temperature thermochemical reactor (2) connect and constitutes with multithread regenerator (3)
Circuit；Wherein, the upper product heat cal rod of multithread regenerator (3) connects oxygen storage room (4), and passes through oxygen compressor (5) and combustion
Room (9) connection is burnt, heat pipe is flowed back in multithread regenerator (3) and is connect with amido carbon dioxide separator (6)；Amido carbon dioxide
Separator (6) connects the connecting node of Carbon monoxide storage tank (7) and carbon monoxide compressor (8) all the way；Another way and multithread
Dirty product heat cal rod one end of regenerator (3) is connect with the connecting node of carbon dioxide storage room (20)；Flow down the product heat cal rod other end
Return again to connection high temperature thermochemical reactor (2)；Carbon monoxide compressor (8) is connect with combustion chamber (9)；Combustion chamber (9) and height
Pressure turbine (10), No. 1 regenerator (13) are connected into circuit；No. 1 regenerator (13) and No. 2 regenerators (14), No. 1 cooler
(15), compressor (16), No. 2 coolers (17), pump (18), No. 2 regenerators (14) are connected in series to form circuit；(18) are pumped to lead to again
It crosses bypass regenerator (19) and connects No. 1 regenerator (13) and No. 2 regenerator (14) connecting nodes；High pressure turbine (10) and low pressure are saturating
Flat (11), generator (12) series connection；Low pressure turbine (11) connection bypass regenerator (19)；Bypass regenerator (19) low side outlets
Dirty product heat cal rod one end of two multithread regenerators (3) and the connecting node of carbon dioxide storage room (20) are connected again.
2. a kind of power generation side of the zero-emission electricity generation system described in claim 1 using the thermal decomposition of Driven by Solar Energy carbon dioxide
Method, which is characterized in that disk type solar collector (1) assembles high-temperature solar to high temperature thermochemical reactor (2) driving two
Aoxidize the reaction of carbon high-temp Thermochemical Decomposition；The oxygen that high temperature thermochemical reactor (2) generates is cooling through multithread regenerator (3), so
It send by oxygen compressor (5) pressurization to combustion chamber (9)；The carbon monoxide that high temperature thermochemical reactor (2) generates is returned through multithread
Hot device (3) is cooling to enter amido carbon dioxide separator (6) separation carbon monoxide and carbon dioxide, amido carbon dioxide separator
(6) carbon monoxide generated is sent through carbon monoxide compressor (8) pressurization to combustion chamber (9), with the height for coming from oxygen compressor (5)
Pressure oxygen combustion directly heats the high-pressure carbon dioxide from No. 1 regenerator (13), and the high-temperature high-pressure fuel gas of formation enters high pressure
Turbine (10) acting；A part of high-temperature exhaust air that high pressure turbine (10) generates passes sequentially through No. 1 regenerator (13), No. 2 regenerators
(14), No. 1 cooler (15), carbon dioxide after cooling are pressurizeed by compressor (16), then cooling through No. 2 coolers (17)
It boosts into pump (18), the high-pressure carbon dioxide of pump (18) outlet is divided into two strands and respectively enters bypass regenerator (19), No. 2 backheats
Device (14) heating, two strands of high temperature carbon dioxides after heating converge further to be heated through No. 1 regenerator (13), is sent to combustion chamber
(9) ignition temperature is adjusted；Remaining high-temperature exhaust air that high pressure turbine (10) generates enters low pressure turbine (11) acting, driven generator
(12) it generates electricity, the low pressure exhaust of generation is cooling through bypass regenerator (19) and comes from the dioxy of amido carbon dioxide separator (6)
Change carbon to converge, be heated through multithread regenerator (3), eventually enters into high temperature thermochemical reactor (2) and complete circulation.
3. a kind of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide according to claim 2
Electricity-generating method, which is characterized in that when solar radiation intensity is big, the carbon dioxide of carbon dioxide storage room (20), which need to import, to be come
From bypass regenerator (19) carbon dioxide, together through multithread regenerator (3) heating after enter high temperature thermochemical reactor (2) into
The reaction of row high temperature Thermochemical Decomposition, the extra oxygen of multithread regenerator (3) outlet enter oxygen storage room (4) storage, amido two
The extra carbon monoxide of oxidation carbon separation unit (6) outlet enters Carbon monoxide storage tank (7) storage；When solar radiation intensity becomes
Small or when without solar energy, the oxygen of oxygen storage room (4) and the carbon monoxide of Carbon monoxide storage tank (7) pass through oxygen pressure respectively
It send after contracting machine (5), carbon monoxide compressor (8) pressurization to combustion chamber (9) and burns, guarantee the output of electric power continuous and stable, bypass back
The extra low pressure CO 2 of hot device (19) outlet enters carbon dioxide storage room (20) storage.
4. a kind of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide according to claim 2
Electricity-generating method, which is characterized in that using the titanium dioxide before multithread regenerator (3) preheating high temperature thermochemical reactor (2) entrance
Carbon, carbon dioxide two step Decomposition Cycle of the generation based on metal oxide in high temperature thermochemical reactor (2), reaction temperature are
1500 DEG C, pressure 1atm.
5. a kind of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide according to claim 2
Electricity-generating method, which is characterized in that pump (18) outlet carbon dioxide belongs to supercriticality, and pressure is 30MPa or so, is bypassed back
Hot device (19), No. 2 regenerators (14), No. 1 regenerator (13) preheating enter back into combustion chamber (9)；High pressure turbine (10) exhaust pressure
Power is 3MPa, and a part enters low pressure turbine (11) and does work, and quality is the amount that CO burning generates, and pressure at expulsion is
1atm。
6. a kind of zero-emission electricity generation system using the thermal decomposition of Driven by Solar Energy carbon dioxide according to claim 4
Electricity-generating method, which is characterized in that the metal oxide is cerium oxide, zinc oxide or iron oxide.
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