CN106837439A - The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary - Google Patents
The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary Download PDFInfo
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- CN106837439A CN106837439A CN201710057061.5A CN201710057061A CN106837439A CN 106837439 A CN106837439 A CN 106837439A CN 201710057061 A CN201710057061 A CN 201710057061A CN 106837439 A CN106837439 A CN 106837439A
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 108
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 57
- 230000008878 coupling Effects 0.000 title claims abstract description 19
- 238000010168 coupling process Methods 0.000 title claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 99
- 238000000034 method Methods 0.000 claims abstract description 40
- 238000010521 absorption reaction Methods 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 31
- 238000003795 desorption Methods 0.000 claims abstract description 24
- 230000008569 process Effects 0.000 claims abstract description 19
- 238000012546 transfer Methods 0.000 claims abstract description 9
- 238000003860 storage Methods 0.000 claims abstract description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 74
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 34
- 239000001569 carbon dioxide Substances 0.000 claims description 31
- 230000008676 import Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Natural products CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 125000003944 tolyl group Chemical group 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims 1
- 239000010457 zeolite Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 229960004424 carbon dioxide Drugs 0.000 description 37
- 239000007789 gas Substances 0.000 description 35
- 238000005265 energy consumption Methods 0.000 description 13
- 235000011089 carbon dioxide Nutrition 0.000 description 8
- 238000009833 condensation Methods 0.000 description 6
- 230000005494 condensation Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000006096 absorbing agent Substances 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 239000008246 gaseous mixture Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000011358 absorbing material Substances 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005261 decarburization Methods 0.000 description 3
- 239000005431 greenhouse gas Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000000274 adsorptive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002090 carbon oxide Inorganic materials 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 201000004569 Blindness Diseases 0.000 description 1
- RRSCTVNXMNXSHR-UHFFFAOYSA-N C(O)CN.[C] Chemical compound C(O)CN.[C] RRSCTVNXMNXSHR-UHFFFAOYSA-N 0.000 description 1
- GCNLQHANGFOQKY-UHFFFAOYSA-N [C+4].[O-2].[O-2].[Ti+4] Chemical compound [C+4].[O-2].[O-2].[Ti+4] GCNLQHANGFOQKY-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- -1 amine carbon dioxide Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- GUJOJGAPFQRJSV-UHFFFAOYSA-N dialuminum;dioxosilane;oxygen(2-);hydrate Chemical compound O.[O-2].[O-2].[O-2].[Al+3].[Al+3].O=[Si]=O.O=[Si]=O.O=[Si]=O.O=[Si]=O GUJOJGAPFQRJSV-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002808 molecular sieve Substances 0.000 description 1
- 229910052901 montmorillonite Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 238000002336 sorption--desorption measurement Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Classifications
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- 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
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0462—Temperature swing adsorption
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
- B01D53/04—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 by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/0476—Vacuum pressure swing adsorption
-
- 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
- F03G6/00—Devices for producing mechanical power from solar energy
- F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
- F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
- F03G6/067—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
- B01D2253/108—Zeolites
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/40—Further details for adsorption processes and devices
- B01D2259/40011—Methods relating to the process cycle in pressure or temperature swing adsorption
- B01D2259/4002—Production
- B01D2259/40022—Production with two sub-steps
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
-
- 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
Abstract
The invention discloses a kind of vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary, including solar energy heating unit, organic Rankine bottoming cycle generator unit and absorption carbon capture unit.The solar energy heating unit is including solar thermal collector, oil storage tank and Heat-transfer Oil Pump etc.；Organic Rankine bottoming cycle generator unit is including evaporator, condenser, working medium pump A and steam turbine etc.；Absorption carbon capture unit includes gas boosting pump, electrically-controlled valve, four-way reversing valve, vavuum pump, working medium pump B and at least one set of double suction reaction enclosure tower structure.Solar energy heating unit can provide working medium evaporation institute calorific requirement for organic Rankine bottoming cycle generator unit；Organic Rankine bottoming cycle generator unit electric power for needed for the major impetus part of whole system is provided, and the desorption process of adsorbing and trapping unit is aided in by the heat of condenser；Vacuum Pressure Swing desorption is carried out under heat temperature raising subsidiary conditions, it is ensured that while trapping effect, considerably reduce the power consumption of vavuum pump.
Description
Technical field
The present invention relates to solar energy auxiliary carbon trapping technique field, and in particular to auxiliary to a kind of solar energy organic Rankine bottoming cycle
The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system for helping.With solar energy organic Rankine bottoming cycle generation technology and vacuum pressure and temperature varying
Coupling Adsorption carbon trapping technique is core, meets the demand of trapping carbon dioxide under low energy consumption.
Background technology
The 5th assessment report of Intergovernmental Panel on Climate Change (IPCC) shows carbon dioxide in air
In concentration than being higher by 40% before industrialization, as topmost greenhouse gases, the excessive emissions meeting of carbon dioxide
Greenhouse effects and climate change are caused, therefore controls the titanium dioxide in large-scale CO2 emission source such as power plant, cement plant and chemical plant
Carbon emission is most important.Current major measure is to be trapped and sealed up for safekeeping (CCS) technology using carbon to carry out flue gas decarburization, existing
Carbon trapping technique can be divided into the trapping of post-combustion capture, pre-combustion capture and oxygen-enriched combusting, wherein widely used is burning
After trap, i.e., using the methods such as chemical absorbing or physical absorption to burning generation flue gas carry out collecting carbonic anhydride.
On the one hand, conventional carbon trapping technique more pays close attention to the feasibility of trapping technique or system, causes correlation technique
Exploitation faces commercial applications predicament.For example many research focuses on the chemical absorption method of comparative maturity, but its desorption process
Latent heat, sensible heat and hot three portion of energy of absorption is needed to complete chemical desorption, therefore trapping energy consumption is higher, about 3-4GJ/ton.Phase
Than under, absorption method carbon is captured in the aspects such as unit capturing ability, solid desorption energy requirement more has advantage than absorption process.
The trapping of absorption method carbon has temp.-changing adsorption, three kinds of basic modes of pressure-variable adsorption and Electrical swing absorption, and various Coupling Adsorption modes.
On the other hand, solar energy is inexhaustible, nexhaustible regenerative resource, is constantly subjected to the extensive of countries in the world
Concern.Used as main clean energy resource, the development of solar energy heat utilization technology is swift and violent, and conventional solar thermal collector includes flat board
Heat collector, groove type heat collector, dish-style heat collector, compound parabolic heat collector, tower-type heat collector etc..Meanwhile, organic working medium due to
Its low boiling dot characteristics, can obtain steam pressure higher under cryogenic, promote turbine acting, be suitable for low-temperature heat source
Acting generates electricity.Therefore, solar irradiation low energy current density, be easily converted into the physical characteristic and organic Rankine bottoming cycle of low-temperature heat source
(ORC) there is potential contact between, both is organically combined, the solar low-temperature electricity generation system based on ORC can be formed.Should
Solar irradiation is converted to low temperature heat energy by system by oligomeric coke ratio heat collector, and low temperature heat energy is converted to machinery by ORC
Energy and electric energy.Additionally, a large amount of condensation heats of condenser can be utilized as low temperature exhaust heat in solar energy organic Rankine bottoming cycle.
If carrying out electric power to absorption type carbon trapping system using solar energy organic Rankine bottoming cycle and heat energy being supplied, can be most
Big degree ground effectively utilizes regenerative resource, and can meet the requirement that carbon dioxide discharge-reduction is carried out to large-scale emission source.Therefore, from
The starting point of brand-new reducing energy consumption, develops a kind of effective utilization solar energy and traps the relatively low carbon trapping system of energy consumption, is
Effectively alleviate a desired technical of CO2 emission.
At present, Patents documents have following report：
On the one hand, innovated in terms of carbon dioxide absorbing material.For example, the China of Publication No. CN103861557A
A kind of New Solid amine carbon dioxide absorber is proposed in application for a patent for invention, the method for surfactant is added first to drop
Diffusional resistance of the low carbon dioxide in solid amine absorption agent, the utilization rate of raising amine, and then improve the carbon dioxide of material
Absorption property.The Chinese invention patent application of Publication No. CN103203220A discloses a kind of preparation of carbon dioxide absorber
Method, mainly uses aniline to carry out polymerisation with Y type molecular sieve, obtains solid particle；Solid particle is carried out to be carbonized instead
Should, carbon dioxide absorber is obtained, the materials synthesis are simple, and performance is better than activated carbon.In Publication No. CN103120931A
State's patent application proposes a kind of cage type carbon dioxide absorbing material and preparation method thereof, and the method includes the acidified modified of montmorillonite
And the synthesis of cage type carbon dioxide absorbing material, organic amine pay(useful) load amount has between 10~60% in the composite
There is good absorption and desorption ability, and have good stability.But, above patent is the innovation in new material angle, and
Without reference to specific collecting carbonic anhydride process and circulation；Additionally, pursuing the blindness of low energy consumption material, it is easily caused to catching
Collect the error understanding of process energy consumption, the reduction of material energy consumption, the situation that process energy consumption but rises occur.
On the other hand, innovated on carbon dioxide adsorption tower structure.Such as notification number is in CN203990246U
State's utility model patent proposes a kind of carbon dioxide pressure-swing absorber, employs the gas absorption passage of rectangular configuration, is used in combination
Cross deflection plate to separate, form deflector type and fix adsorption tower.The structure has good gas homogeneity, gas long flow path, adsorbent profit
With rate is high and the advantage such as bed stabilization.The Chinese invention patent application of Publication No. CN105749696A proposes a kind of based on low
The carbon dioxide alternating temperature adsorption desorption system of grade heat energy, its new absorption tower structure is using the low grade heat energy in flue gas as energy
Amount source, and trap the carbon dioxide in flue gas.A kind of stand alone type is proposed in the patent document of Publication No. CN101795750A
The adsorption tower and stripper of structure, it is suitable to capture carbon dioxide from the waste gas stream in the power station of combustion of fossil fuels.But,
These patents are innovated on absorption tower structure, the excessive optimization for pursuing adsorbing and trapping apparatus structure, but actual market
The product of change is difficult to accomplish preferably to optimize processing request, at the same such invention feature be difficult reduce trapping energy consumption in terms of have
Broken through.
Additionally, some inventors are studied from the angle of solar energy auxiliary carbon trapping technique.For example：Application No.
Propose that the heat collected using solar thermal collector is directly fed coal-burning power plant and inhaled in the patent document of US2010/0005966A1
The reboiler of receipts method (monoethanolamine) carbon trapping system, draws gas instead of steam turbine low-temp low-pressure.Publication No. CN103752142A's
A kind of integrated system of solar energy auxiliary carbon dioxide trapping is proposed in patent document, by solar energy heating subsystem and generating
Between subsystem and collecting carbonic anhydride subsystem the height of the energy requirement grade of associated components carried out it is rational distribution and
It is integrated, realize the cascade utilization of energy.A kind of solar energy auxiliary is proposed in the patent document of Publication No. CN103372371A
The system of coal-burning power plant's carbon trapping, the heat energy collected using solar thermal collector first drives organic Rankine bottoming cycle to generate electricity, generated energy
Pump, compressor of carbon trapping system etc. are supplied, the heat of condensation of condenser is recycled for the reboiler energy supply of carbon trapping system.It is open
Number a kind of process system of utilization photovoltaic auxiliary coal unit decarburization is proposed for the patent document of CN104307308A, by photovoltaic system
System heating absorbs carbon trapping system and reduces extracted steam from turbine.The patent document of Publication No. CN105435581A proposes a kind of sun
Energy photovoltaic drives pressure swing adsorption air carbon trapping system and control method, and the electric energy that photovoltaic is produced is used for carbon trapping system
Power-consuming component.But, above patent is how most of for the trapping of solar energy assist absorption method carbon, but the trapping of absorption process carbon is originally
The regeneration energy consumption of body is higher, limits the development of carbon trapping technique；Additionally, photovoltaic auxiliary carbon trapping technique can face light
The cost and life problems of cell panel are lied prostrate, and the production process of photovoltaic battery panel can consume substantial amounts of energy.
In summary as can be seen that existing Patents can not well reach reduction carbon trapping energy consumption mentioned above
And effectively alleviate the dreamboat of greenhouse gas emission, need that exploitation is a kind of to be aided in by solar energy organic Rankine bottoming cycle badly at present
Vacuum pressure and temperature varying Coupling Adsorption carbon trapping system.
The content of the invention
The purpose of the present invention is to overcome the deficiencies in the prior art, and vacuum pressure and temperature varying is provided by solar energy organic Rankine bottoming cycle
Electric power and heat required for the trapping of Coupling Adsorption carbon, while ensuring the purity of carbon dioxide product gas, the rate of recovery and yield.
In order to solve the above-mentioned technical problem, the present invention proposes a kind of Vacuum Pressure Swing of solar energy organic Rankine bottoming cycle auxiliary
Alternating temperature Coupling Adsorption carbon trapping system, including solar energy heating unit, organic Rankine bottoming cycle generator unit and absorption carbon trapping are single
Unit, the solar energy heating unit includes the evaporator that is connected with solar thermal collector, the evaporator pass through pipeline successively with
One oil storage tank and a Heat-transfer Oil Pump are connected；The organic Rankine bottoming cycle generator unit includes the steam turbine being connected with evaporator, institute
Steam turbine is stated to be connected with a condenser and working medium pump A successively by pipeline；The absorption carbon capture unit include gas boosting pump,
Vavuum pump A, vavuum pump B, four-way reversing valve, working medium pump B and multigroup double reaction tower structure, the air inlet of the gas boosting pump with
Entrance by the carbonated gaseous mixture for pre-processing is connected, and it is total that the exhaust outlet of the gas boosting pump is connected with gas transmission
Pipeline；A plurality of bye-pass is parallel with by pipe fitting on the gas transmission main road；The structure of multigroup pair of reaction tower is identical, and every group double anti-
Tower structure is answered to be arranged between the end of every bye-pass and the four-way reversing valve；Double reaction tower structures include and every
Bye-pass end two gas pipelines in parallel, two gas pipelines are connected to adsorption reaction tower A and adsorption reaction tower B；
In every group of double reaction tower structures, the upper outlet of the adsorption reaction tower A and adsorption reaction tower B is respectively by vavuum pump A and true
Empty pump B is connected to two imports of the four-way reversing valve；The one outlet of the four-way reversing valve leads to air, the four-way
High concentration carbon dioxide pipe outlet is led in another outlet of reversal valve；The outlet of the condenser is anti-with the absorption respectively
Tower A is answered to be connected with the heating working medium import of adsorption reaction tower B；The heating working medium of the adsorption reaction tower A and adsorption reaction tower B goes out
Mouth is connected to working medium pump B, the working medium pump B and is connected to the import of condenser；The adsorption reaction tower A and adsorption reaction tower B
Air inlet and gas outlet, heating working medium inlet and outlet be respectively provided with electrically-controlled valve；The electric power of steam turbine production is
Heat-transfer Oil Pump, working medium pump A, gas boosting pump, vavuum pump A, vavuum pump B and working medium pump B provide power.
Further, in the present invention, the working medium of the organic Rankine bottoming cycle generator unit is toluene；The adsorption reaction tower
The heating working medium of A and adsorption reaction tower B is water；The sorbing material filled in the adsorption reaction tower A and adsorption reaction tower B is boiling
Stone 13X.
The solar thermal collector is groove type heat collector, and heat-collecting temperature is more than 250 DEG C.
The condenser provides the solution of 100 DEG C -130 DEG C of Low pressure steam auxiliary adsorption reaction tower A and adsorption reaction tower B
It is drawn through journey.
Adsorption temp in the adsorption reaction tower A and adsorption reaction tower B is 10 DEG C -50 DEG C, and adsorptive pressure is 1atm-
5atm；Desorption temperature is 80 DEG C -130 DEG C, and desorption pressures are 1kPa-10kPa.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) organic Rankine bottoming cycle generator unit can effectively using the Low Temperature Thermal of solar energy heating unit, to solar energy
Using with universality meaning；
(2) organic Rankine bottoming cycle generator unit can provide electric power for the major impetus part of whole system, and condense
The condenser heat of device can aid in the desorption process of adsorption reaction tower, realize the efficient utilization of energy.
(3) Vacuum Pressure Swing desorption is carried out under conditions of heat temperature raising auxiliary, has both can guarantee that trapping effect such as product gas are dense
Degree, the rate of recovery and yield, can be greatly lowered the power consumption of vavuum pump again.
Brief description of the drawings
Fig. 1 is that the vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary of the present invention is illustrated
Figure.
In figure：
1- solar thermal collector 2- evaporator 3- oil storage tanks
4- Heat-transfer Oil Pump 5- steam turbine 6- condensers
7- working medium pump A 8- gas boosting pump 9- adsorption reaction towers A
10- adsorption reaction tower B 11- vavuum pump A 12- vavuum pumps B
13- four-way reversing valve 14- working medium pump B 15- electrically-controlled valves
16- electrically-controlled valve 17- electrically-controlled valve 18- electrically-controlled valves
19- electrically-controlled valve 20- electrically-controlled valve 21- electrically-controlled valves
22- electrically-controlled valve 23- air 24- high concentration carbon dioxides are exported
Specific embodiment
Technical solution of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, described is specific
Embodiment is only explained to the present invention, is not intended to limit the invention.
The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary of the present invention is with the sun
Energy organic Rankine bottoming cycle technology and vacuum pressure and temperature varying Coupling Adsorption carbon trapping technique are core, and meet trapping carbon dioxide
Demand.The vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary includes solar energy heating list
Unit, organic Rankine bottoming cycle generator unit and absorption carbon capture unit.
As shown in figure 1, the vacuum pressure and temperature varying Coupling Adsorption carbon of solar energy organic Rankine bottoming cycle auxiliary proposed by the present invention
Trapping system, including solar energy heating unit, organic Rankine bottoming cycle generator unit and absorption carbon capture unit.
The solar energy heating unit includes the evaporator 2 being connected with solar thermal collector 1, and the evaporator 2 is by pipe
Road is connected with an oil storage tank 3 and a Heat-transfer Oil Pump 4 successively.The solar thermal collector 1 is groove type heat collector, and ensures thermal-arrest temperature
Degree is more than 250 DEG C.
The organic Rankine bottoming cycle generator unit includes the steam turbine 5 being connected with evaporator 2, and the steam turbine 5 is by pipe
Road is connected with a condenser 6 and working medium pump A7 successively.The working medium of the organic Rankine bottoming cycle generator unit is toluene, the condensation
The condensation temperature of device 6 is 152 DEG C, and condenser may insure that the Low pressure steam for providing 100 DEG C -130 DEG C is used for adsorption reaction tower
Heat energy supply.
The absorption carbon capture unit includes gas boosting pump 8, vavuum pump A11, vavuum pump B12, four-way reversing valve 13, work
Matter pump B14 and multigroup double reaction tower structures, the air inlet of the gas boosting pump 8 mix with by the carbonated of pretreatment
The entrance of gas is connected, and the exhaust outlet of the gas boosting pump 8 is connected with gas transmission main road；Pass through on the gas transmission main road
Pipe fitting is parallel with a plurality of bye-pass；The structure of multigroup pair of reaction tower is identical, and every group of double reaction tower structure settings are in every bye-pass
End and the four-way reversing valve 13 between；Double reaction tower structure includes that two in parallel with every bye-pass end are defeated
Feed channel, two gas pipelines are connected to adsorption reaction tower A9 and adsorption reaction tower B10, the adsorption reaction tower A9 and suction
The heating working medium of reaction enclosure tower B10 is water；The sorbing material filled in the adsorption reaction tower A9 and adsorption reaction tower B10 is boiling
Stone 13X.Adsorption temp in the adsorption reaction tower A9 and adsorption reaction tower B10 is 10 DEG C -50 DEG C, and adsorptive pressure is 1atm-
5atm；Desorption temperature is 80 DEG C -130 DEG C, and desorption pressures are 1kPa-10kPa.
In every group of double reaction tower structures, the upper outlet of the adsorption reaction tower A9 and adsorption reaction tower B10 passes through respectively
Vavuum pump A11 and vavuum pump B12 are connected to two imports of the four-way reversing valve 13；One of the four-way reversing valve 13 goes out
Mouth leads to air 23, and high concentration carbon dioxide pipe outlet 24 is led in another outlet of the four-way reversing valve 13；
The condenser 6 outlet respectively with the heating working medium import of the adsorption reaction tower A9 and adsorption reaction tower B10
It is connected, the condenser 6 provides 100 DEG C -130 DEG C of Low pressure steam auxiliary adsorption reaction tower A9's and adsorption reaction tower B10
Desorption process.The heating working medium outlet of the adsorption reaction tower A9 and adsorption reaction tower B10 is connected to working medium pump B14, described
Working medium pump B14 is connected to the import of condenser 6.
An electrically-controlled valve is respectively equipped with every gas pipeline, as shown in figure 1, at the air inlet of the adsorption reaction tower A9
Electrically-controlled valve 15 is provided with, electrically-controlled valve 16, the gas outlet of the adsorption reaction tower A9 are provided with the air inlet of the adsorption reaction tower B10
Place is provided with electrically-controlled valve 17, and electrically-controlled valve 18 is provided with the gas outlet of the adsorption reaction tower B10；It is every in every group of double reaction tower structures
The air inlet of individual reaction tower (adsorption reaction tower A9 and adsorption reaction tower B10) and gas outlet are all by electrically-controlled valve control；Each group is double anti-
In answering two reaction towers (adsorption reaction tower A9 and adsorption reaction tower B10) in parallel in tower structure, one of reaction tower goes out
Mouth parallel connection is concentrated into all the way, and the outlet parallel connection of another reaction tower is concentrated into another Lu Houzai and respectively enters four-way reversing valve 13
Two imports, as shown in figure 1, the upper outlet of the adsorption reaction tower A9 and adsorption reaction tower B10 be respectively connecting to it is described
Two imports of four-way reversing valve 13；The one outlet of the four-way reversing valve 13 leads to atmospheric outlet 23, the four-way commutation
High concentration carbon dioxide pipe outlet 24 is led in another outlet of valve 13.At the heating working medium import of the adsorption reaction tower A9
It is provided with electrically-controlled valve 21, exit and is provided with electrically-controlled valve 19, electrically-controlled valve is provided with the heating working medium import of the adsorption reaction tower B10
22nd, exit is provided with electrically-controlled valve 20.
The workflow of solar energy heating unit is in the present invention：When fine, solar thermal collector 1 is completed
Collection to solar heat, the conduction oil of intensification is transported to evaporator 2, and oil storage tank 3 is led in ensure that solar energy heating unit
The stability of Circulation and Hot Oil Spray, Heat-transfer Oil Pump 4 provides power for the operation that conduction oil is circulated.Heat in evaporator 2
Measure as the working medium evaporation in organic Rankine bottoming cycle generator unit provides heat.
The workflow of organic Rankine bottoming cycle generator unit is in the present invention：Cycle fluid in evaporator 2 with conduction oil
Heat exchange, absorption heat of vaporization, the acting of pushing turbine 5 generate electricity, and the exhaust steam after acting condenses in condenser 6, by working medium pump
A7 transports back evaporator 2.Working medium pump A7 provides power for the operation of organic Rankine bottoming cycle.Condensation heat in condenser 6 is suction
The desorption process of attached carbon capture unit provides heat.Steam turbine 5 provides electric power for power part main in whole system, including
Heat-transfer Oil Pump 4, working medium pump A7, gas boosting pump 8, vavuum pump A11, vavuum pump B12, working medium pump B14 etc..
The workflow of carbon capture unit is adsorbed in the present invention is：By the carbonated gaseous mixture that pre-processes from pipe
Road entrance increases pump 8 and is transported in system by gas.Carbonated gaseous mixture by gas boosting pump 8 is total by gas transmission
A plurality of bye-pass dispersion conveying on pipeline, now, is adsorbed by being located on the gas pipeline that is connected with every bye-pass end
Electrically-controlled valve 17 and 18 at electrically-controlled valve 15 and 16, gas outlet at reaction tower A 9 and adsorption reaction tower B10 air inlets sets, automatically controlled
Valve replaces opening, vavuum pump 11 and the same alternate run of vavuum pump 12, automatically controlled such as when electrically-controlled valve 15 and 17 is in open mode
Valve 16 is closed, and vavuum pump 11 stops, and vavuum pump 12 runs.Enter by the carbonated gaseous mixture being pressurized and inhale
Reaction enclosure tower A9 carries out collecting carbonic anhydride, and remaining decarburization gas is by four-way reversing valve 13 from the row of atmospheric outlet 23 of pipeline
It is put into air, now the state of four-way reversing valve 13 is as shown in the state 1 in Fig. 1.Assuming that adsorption reaction tower A9 is at upper one
Circulation completes the desorption process of carbon dioxide, and adsorption reaction tower A9 carries out carbon dioxide adsorption, and adsorption reaction tower B10 carries out two
The desorption of carbonoxide, the electrically-controlled valve 16 of adsorption reaction tower porch is closed, and the electrically-controlled valve 18 in exit is opened, positioned at adsorption reaction
The electrically-controlled valve 22 and electrically-controlled valve 20 at tower B10 heating working medium imports and exit are opened, cold in heating working medium absorptive condenser 6
Heated up after solidifying heat, auxiliary adsorption reaction tower B10 heats up, while start vavuum pump 12 vacuumizing, carry out vacuum pressure and temperature varying desorption,
Adsorption reaction tower B10 discharge high concentration carbon dioxide, the carbon dioxide of high concentration by four-way reversing valve 13, from high concentration two
Carbon oxide outlet 24 is discharged.Through operation after a while, by the external world's control electrically-controlled valve 15 and electrically-controlled valve 16, the and of electrically-controlled valve 17
Electrically-controlled valve 18, electrically-controlled valve 19 and electrically-controlled valve 20, electrically-controlled valve 21 and electrically-controlled valve 22 complete switching with four-way reversing valve 13, now, electricity
Control valve 15, electrically-controlled valve 20 and electrically-controlled valve 22 are changed into closed mode, and electrically-controlled valve 16, electrically-controlled valve 19 and electrically-controlled valve 21 are changed into open shape
State, vavuum pump 11 runs, and vavuum pump 12 stops, and four-way reversing valve 13 turn 90 degrees clockwise, four-way reversing valve as shown in Figure 1
13 state 2, adsorption reaction tower A9 proceeds by desorption process, discharges carbon dioxide, and adsorption reaction tower B10 then carries out titanium dioxide
Carbon adsorption process, realizes the operation switching of double tower absorption and desorption, it is ensured that continual and steady collecting carbonic anhydride.
In the present invention, organic Rankine bottoming cycle generating list is increased in the middle of solar energy heating unit and absorption carbon capture unit
Unit, the significantly more efficient renewable energy technologies that realize are integrated with carbon trapping technique, raw in organic Rankine bottoming cycle generator unit
The electric power e and condensation heat of product are both provided to system, realize the efficient utilization of the energy.Additionally, traditional temp.-changing adsorption carbon trapping by
It is more long in adsorption time, reduce production capacity；Pressure-variable adsorption can face the problem of electric power high energy consumption again.Inhaled by heating auxiliary
The vacuum desorption process of reaction enclosure tower A9 and B10 can be greatly lowered the electric power of power part vavuum pump A11 and vavuum pump B12
Consumption, and ensure purity, the rate of recovery and the yield of product gas.
In the present invention, by the utilization to solar energy, reduce and process is trapped to the consumption of fossil fuel and absorption carbon
Secondary carbon emission, realizes effectively using regenerative resource and reduces the target of carbon trapping system energy consumption, additionally it is possible to obtain
The carbon dioxide product of high concentration.The present invention can effectively alleviate the discharge of greenhouse gases, be especially suitable for solar energy resources and enrich
The collecting carbonic anhydride in area, with certain universality meaning.The floor space and organic Rankine bottoming cycle of solar thermal collector
Capacity depend on desorption process institute's calorific requirement and electric power and the requirement of corresponding operation reserve etc. in absorption carbon capture unit.
Although above in conjunction with accompanying drawing, invention has been described, the invention is not limited in above-mentioned specific implementation
Mode, above-mentioned specific embodiment is only schematical, and rather than restricted, one of ordinary skill in the art is at this
Under the enlightenment of invention, in the deformation that the situation for not departing from present inventive concept is made, belong within protection of the invention.
Claims (5)
1. a kind of vacuum pressure and temperature varying Coupling Adsorption carbon trapping system of solar energy organic Rankine bottoming cycle auxiliary, including solar energy collection
Hot cell, organic Rankine bottoming cycle generator unit and absorption carbon capture unit, the solar energy heating unit include and solar energy collection
The connected evaporator (2) of hot device (1), the evaporator (2) by pipeline successively with an oil storage tank (3) and a Heat-transfer Oil Pump (4)
It is connected；It is characterized in that：
The organic Rankine bottoming cycle generator unit includes the steam turbine (5) being connected with evaporator (2), and the steam turbine (5) passes through
Pipeline is connected with a condenser (6) and working medium pump A (7) successively；
The absorption carbon capture unit includes gas boosting pump (8), vavuum pump A (11), vavuum pump B (12), four-way reversing valve
(13), working medium pump B (14) and multigroup double reaction tower structures, the air inlet of the gas boosting pump (8) and containing by pretreatment
The entrance of carbon dioxide mix gas is connected, and the exhaust outlet of the gas boosting pump (8) is connected with gas transmission main road；It is described defeated
A plurality of bye-pass is parallel with by pipe fitting on gas main pipe rail；The structure of multigroup pair of reaction tower is identical, and every group of double reaction tower structures set
Put between every end of bye-pass and the four-way reversing valve (13)；Double reaction tower structures include and every bye-pass
End two gas pipelines in parallel, two gas pipelines are connected to adsorption reaction tower A (9) and adsorption reaction tower B (10)；
In every group of double reaction tower structures, the upper outlet of the adsorption reaction tower A (9) and adsorption reaction tower B (10) passes through vacuum respectively
Pump A (11) and vavuum pump B (12) are connected to two imports of the four-way reversing valve (13)；The one of the four-way reversing valve (13)
Air (23) is led in individual outlet, and high concentration carbon dioxide pipe outlet is led in another outlet of the four-way reversing valve (13)
(24)；Heating working medium of the outlet of the condenser (6) respectively with the adsorption reaction tower A (9) and adsorption reaction tower B (10) enters
Mouth is connected；The heating working medium outlet of the adsorption reaction tower A (9) and adsorption reaction tower B (10) is connected to working medium pump B (14),
The working medium pump B (14) is connected to the import of condenser (6)；The adsorption reaction tower A (9) and adsorption reaction tower B (10) are entered
Gas port and gas outlet, heating working medium inlet and outlet are respectively provided with electrically-controlled valve；
The electric power of steam turbine (5) production is Heat-transfer Oil Pump (4), working medium pump A (7), gas boosting pump (8), vavuum pump A
(11), vavuum pump B (12) and working medium pump B (14) provides power.
2. the vacuum pressure and temperature varying Coupling Adsorption carbon of solar energy organic Rankine bottoming cycle auxiliary traps system according to claims 1
System, it is characterised in that the working medium of the organic Rankine bottoming cycle generator unit is toluene；The adsorption reaction tower A (9) and absorption are anti-
The heating working medium for answering tower B (10) is water；The sorbing material of filling is in the adsorption reaction tower A (9) and adsorption reaction tower B (10)
Zeolite 13X.
3. the vacuum pressure and temperature varying Coupling Adsorption carbon of solar energy organic Rankine bottoming cycle auxiliary traps system according to claims 1
System, it is characterised in that the solar thermal collector (1) is groove type heat collector, and heat-collecting temperature is more than 250 DEG C.
4. the vacuum pressure and temperature varying Coupling Adsorption carbon of solar energy organic Rankine bottoming cycle auxiliary traps system according to claims 1
System, it is characterised in that the Low pressure steam that the condenser (6) provides 100 DEG C -130 DEG C aids in adsorption reaction tower A (9) and inhales
The desorption process of reaction enclosure tower B (10).
5. the vacuum pressure and temperature varying Coupling Adsorption carbon trapping of the solar energy organic Rankine bottoming cycle auxiliary according to claims 1
System, it is characterised in that the adsorption temp in the adsorption reaction tower A (9) and adsorption reaction tower B (10) is 10 DEG C -50 DEG C, is inhaled
Enclosure pressure is 1atm-5atm；Desorption temperature is 80 DEG C -130 DEG C, and desorption pressures are 1kPa-10kPa.
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| CN112178672A (en) * | 2020-10-21 | 2021-01-05 | 西安交通大学 | Power station system and method for trapping coupling temperature-swing adsorption carbon |
| CN114345079A (en) * | 2022-02-25 | 2022-04-15 | 中国电力工程顾问集团西北电力设计院有限公司 | Temperature and pressure swing adsorption device and method for capturing carbon dioxide in flue gas |
| CN114522509A (en) * | 2022-02-25 | 2022-05-24 | 中国电力工程顾问集团西北电力设计院有限公司 | Carbon dioxide capture and adsorption system and method based on solar drive and energy storage |
| WO2023066924A1 (en) * | 2021-10-21 | 2023-04-27 | Shell Internationale Research Maatschappij B.V. | Systems and processes for maintaining continuous carbon dioxide capture |
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