CN107587942A - A kind of light decomposes CO2The technology of afterburning dynamical system - Google Patents

A kind of light decomposes CO2The technology of afterburning dynamical system Download PDF

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Publication number
CN107587942A
CN107587942A CN201610533032.7A CN201610533032A CN107587942A CN 107587942 A CN107587942 A CN 107587942A CN 201610533032 A CN201610533032 A CN 201610533032A CN 107587942 A CN107587942 A CN 107587942A
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China
Prior art keywords
light
gas
dynamical system
membrane separation
separation device
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CN201610533032.7A
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Chinese (zh)
Inventor
谢英柏
陈天
仲凯
侯轶
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North China Electric Power University
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North China Electric Power University
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Priority to CN201610533032.7A priority Critical patent/CN107587942A/en
Publication of CN107587942A publication Critical patent/CN107587942A/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02CCAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
    • Y02C20/00Capture or disposal of greenhouse gases
    • Y02C20/40Capture or disposal of greenhouse gases of CO2
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/129Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/151Reduction of greenhouse gas [GHG] emissions, e.g. CO2

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  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

A kind of light decomposes CO2The technology of afterburning dynamical system, CO is mainly decomposed by dynamical system and light2System forms.Dynamical system:The present invention is transformed conventional gas turbine, and combustion gas becomes flue gas after being done work in gas turbine, using the waste heat of the flue gas respectively to water and CO2Heated, UF membrane is carried out to flue gas again after heating, obtains CO2、O2With residual gas (mainly N2), the CO isolated2By the flue gas in regenerator, O2Send back to after compressor is compressed and participate in second-time burning, N2Collected as product.Light decomposes CO2System:By the water of flue gas and isolate CO2Mixed, be then heated in groove type solar and be decomposed into O2And hydrocarbon, then enter membrane separation device together and separate, the CO isolated2It is again introduced into trough type solar heat-collector and is decomposed, O2Send back to and burning is participated in compressor compresses, hydrocarbon is sent into gas turbine and carries out afterburning.It is contemplated that expanding the purposes of solar energy, almost CO again is realized while energy rationally utilizes2Zero-emission, and possess stronger expansion, every profession and trade can be widely used in.

Description

A kind of light decomposes CO2The technology of afterburning dynamical system
Technical field
The present invention relates to a kind of light to decompose CO2Afterburning dynamical system, belongs to technical field of solar.
Background technology
Problem of environmental pollution became increasingly conspicuous in the last few years, and atmosphere pollution is even more urgently to be resolved hurrily, such as:Gas turbine is a kind of Gas continuously to flow needs to suck substantial amounts of fresh air at work, and arrange as the rotary power machinery of working medium Substantial amounts of waste gas is released, endangers environment;At the same time, the burning of a large amount of fossil energies it is also proposed sternness to global energy and examine Test, so research and development innovation and CO of each field by the utilization of new energy, new equipment2Energy-saving and emission-reduction as research weight Point.Solar energy is as a kind of clean reproducible energy, to reducing fossil energy use and CO2Important in inhibiting is discharged, simultaneously CO2Decomposition, using being also to realize CO2The new direction of emission reduction.
Light decomposes CO2Core be to utilize solar energy heating CO2And water vapour, pass through catalyst under illumination condition Ni0.49Cu024Zn0.24Fe2O4Convert it into O2And hydrocarbon.
CO is separated at normal temperatures with hollow fiber membrane device2、O2、N2Technology it is very ripe.
The content of the invention
It is an object of the invention to propose that a kind of light decomposes CO2The technology of afterburning dynamical system, the system can be by CO2Make For energy storage working medium, the storage to solar energy is realized, is utilization, the CO of solar energy2Enlargement provide new approaches.
To achieve the above object, the present invention, which adopts the following technical scheme that, is achieved:
A kind of light decomposes CO2The technology of afterburning dynamical system, CO is mainly decomposed by dynamical system and light2System forms.Power System:The present invention is transformed conventional gas turbine, and combustion gas becomes flue gas after being done work in gas turbine, utilizes the flue gas Waste heat is respectively to water and CO2Heating, UF membrane then is being carried out to flue gas again, is obtaining CO2、O2With residual gas (mainly N2), The CO isolated2By the flue gas in regenerator, O2Send back to after compressor is compressed and participate in second-time burning, N2As product Collect.Light decomposes CO2System:By the water of flue gas and isolate CO2Mixed, be then heated in groove type solar It is decomposed into O2And hydrocarbon, then enter membrane separation device together and separate, the CO isolated2It is again introduced into groove type solar Decomposed in heat collector, O2Send back to and burning is participated in compressor compresses, hydrocarbon is sent into gas turbine and carries out afterburning. It is contemplated that utilize CO2Solar energy is stored, generating of avoiding the peak hour is realized, both rationally make use of solar energy, reduce carbon emission again.
Dynamical system forms:Compressor (1), combustion chamber (2), gas turbine (3), air accumulator A (4), generator (5), return Hot device A (6), regenerator B (7), membrane separation device A (8) composition.Air and O2Compressed in compressor (1), into combustion chamber (2) generator (5) is driven to generate electricity with the simultaneously expansion work that burnt after combustion gas mixing in gas turbine (3), flue gas caused by burning It is divided into two strands, one enters regenerator A (6) heating CO2, another strand enters regenerator B (7) and water is heated to be into vapor, passes through Flue gas after regenerator A, B separates in membrane separation device A (8), isolates CO2、O2With residual gas (mainly N2), CO2 It is sent to light and decomposes CO2System is decomposed, and excess enthalpy section store is in air accumulator A (4), O2Two are participated in after sending compressor compresses back to Secondary burning, N2It is collected as product.
Light decomposes CO2System forms:Groove type solar (9), membrane separation device B (10), air accumulator B (11).The slot type sun The vacuum inside pipe wall attached catalyst Ni of energy (9)0.49Cu0.24Zn0.24Fe2O4, CO2Mixed gas with water vapour is in vacuum tube It is broken down into O2And hydrocarbon, then pass through membrane separation device B (10) isolated CO2、O2And hydrocarbon, CO2Return The entrance of groove type solar (9) participates in reaction, O again2Send back to and participate in burning after compressor compresses again, hydrocarbon is storing up Combustion chamber (2), which is transported to, after gas tank B (11) storages carries out afterburning.
In above-mentioned dynamical system, using regenerator (6) to CO2Heated, smoke evacuation temperature is reduced while controlling its temperature Degree;The softened water filled into using regenerator (7) to the external world is heated, and exhaust gas temperature is reduced while controlling its temperature.
Advantages of the present invention:
1st, realize and pass through CO2Solar energy is stored, converted.
2nd, the system will decompose CO2Part and vacuum tube be combined together, so as to will not destroy vacuum tube structure and The course of work.
3rd, light decomposes CO2System selects spinel ferrite MFe2O4(transition metal such as M=Ni, Cu, Zn) makees catalyst, CO is decomposed with preferable2Activity, wherein CuFe2O4Reduction temperature it is minimum, but structure is easily caved in, and Zn Fe2O4Structure It is the most stable, its reduction temperature highest, Ni Fe2O4Therebetween, and four metal ferrites have more preferable degrading activity, So selection Ni0.49Cu0.24Zn0.24Fe2O4As final catalyst.
4th, catalyst n i0.49Cu0.24Zn0.24Fe2O4Particle is attached to the vacuum inside pipe wall of groove type solar (9), catalyst Not appreciably affect the heat absorption of vacuum tube.
5th, the system uses twin-stage regenerator, heats CO respectively2With the good control of water and realization to its temperature.
6th, the system is realized to CO2Recycle.
7th, system remains to work on during no illumination, equivalent in general gas electricity generator, strong adaptability.
8th, the system expansibility is strong, can be widely applied to the fields such as industry, business.
Brief description of the drawings
Fig. 1 is present system figure.
Fig. 2 is groove type solar sketch of the present invention.
Description of symbols in accompanying drawing:1- compressors;2- combustion chambers;3- combustion gas wheels;4- air accumulators A;5- generators;6- regenerators A;7- regenerators B;8- membrane separation devices A;9- groove type solars;10- membrane separation devices B;11- air accumulators B.
Embodiment
Dynamical system and light are decomposed CO by the present invention2System combines, and realizes the purpose of the present invention, that is, uses up decomposition Obtained CO2Carry out afterburning generating and for manufacturing hydrocarbon.
Dynamical system forms:Compressor (1), combustion chamber (2), gas turbine (3), air accumulator A (4), generator (5), return Hot device A (6), regenerator B (7), membrane separation device A (8).Air and O2 enter after being compressed in compressor (1) combustion chamber (2) with Combustion gas mixing, burning and expansion work drive generator (5) generating in gas turbine (3) afterwards, and caused flue gas is divided into two Stock, one enters regenerator A (6) heating CO2, another strand enters regenerator B (7) heating water so that it becomes vapor, by returning Flue gas after hot device A, B is separated into CO in membrane separation device A (8)2、O2With residual gas (mainly N2), CO2It is sent to light Decompose CO2System is decomposed or is stored in air accumulator A (4), O2Send back to and participate in burning, N after compressor compresses again2As Product is collected.
Light decomposes CO2System forms:Groove type solar (9), membrane separation device B (10), air accumulator B (11).The slot type sun The vacuum inside pipe wall attached catalyst Ni of energy (9)0.49Cu0.24Zn0.24Fe2O4, CO2Mixed gas with water vapour is in vacuum tube It is broken down into O2And hydrocarbon, then pass through membrane separation device B (10) isolated CO2、O2And hydrocarbon, CO2Return The entrance of groove type solar (9) participates in reaction, O again2Send back to and participate in burning after compressor compresses again, hydrocarbon is storing up Combustion chamber (2), which is transported to, after gas tank B (11) storages carries out afterburning.
Further, the no light time decomposes CO2System stalls, the present invention just continue equivalent to general gas turbine Generated electricity.
Further, CO during no light2It is stored in air accumulator A (4).
CO2Light absorbing radiation when flowing through vacuum tube (1), a portion CO2In Ni0.49Cu0.24Zn0.24Fe2O4Surface Decompose.
Flue gas is separated CO by membrane separation device A (8)2、O2With residual gas (mainly N2).
Gas after light decomposes is separated CO in membrane separation device B (10)2、O2With residual gas (mainly hydrocarbonization Compound).

Claims (4)

1. a kind of light decomposes CO2Afterburning dynamical system, it is characterised in that:CO is decomposed by dynamical system and light2System forms;
Described dynamical system is by compressor (1), combustion chamber (2), gas turbine (3), air accumulator A (4), generator (5), backheat Device A (6), regenerator B (7), membrane separation device A (8) compositions.Air and O2Compressed in compressor (1), into combustion chamber (2) Simultaneously expansion work drives generator (5) to generate electricity with being burnt after combustion gas mixing in gas turbine (3), and flue gas caused by burning is divided into Two strands, one enters regenerator A (6) heating CO2, another strand enters regenerator B (7) and water is heated to be into vapor, by backheat Flue gas after device A, B separates in membrane separation device A (8), isolates CO2、O2With residual gas (mainly N2), CO2It is sent to light Decompose CO2System is decomposed, and remainder is stored in air accumulator A (4), O2Second-time burning is participated in after sending compressor compresses back to, N2It is collected as product;Described light decomposes CO2System is by groove type solar (9), membrane separation device B (10), air accumulator B (11) form, the vacuum inside pipe wall attached catalyst Ni of groove type solar (9)0.49Cu0.24Zn0.24Fe2O4, CO2With water vapour Mixed gas is broken down into O in vacuum tube in the presence of catalyst2And hydrocarbon, then pass through membrane separation device B (10) CO is isolated2、O2And hydrocarbon, CO2The entrance for returning to groove type solar (9) continues to participate in reaction, O2Send compression back to Burning is participated in after machine compression again, hydrocarbon is transported in combustion chamber (2) after being stored in air accumulator B (11) and mended Combustion.
2. light according to claim 1 decomposes CO2System, it is characterised in that:From spinel ferrite Ni0.49Cu0.24Zn0.24Fe2O4Catalyst is made, and catalyst granules is attached to the vacuum inside pipe wall of groove type solar (9).
3. a kind of light according to claim 1 decomposes CO2Afterburning dynamical system, it is characterised in that:Membrane separation device A (8) is produced Raw CO2CO is decomposed as light2The reactant of system, product O2, gas turbine is returned after compression, as oxygen-enriched combusting Fuel.
4. according to the dynamical system described in claims 1, it is characterised in that:The CO2 that membrane separation device A (8) is isolated passes through Regenerator (6) is heated, to realize the control to its temperature;The softened water of external world's supplement is heated into water by heater (7) Steam, and realize the control to its temperature.
CN201610533032.7A 2016-07-08 2016-07-08 A kind of light decomposes CO2The technology of afterburning dynamical system Pending CN107587942A (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN112619349A (en) * 2020-11-30 2021-04-09 西安西热控制技术有限公司 Carbon emission reduction system of thermal power plant

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