CN105582782A - Solar photovoltaic driven electrical swing adsorption air carbon pump system and control method - Google Patents
Solar photovoltaic driven electrical swing adsorption air carbon pump system and control method Download PDFInfo
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- CN105582782A CN105582782A CN201511020054.5A CN201511020054A CN105582782A CN 105582782 A CN105582782 A CN 105582782A CN 201511020054 A CN201511020054 A CN 201511020054A CN 105582782 A CN105582782 A CN 105582782A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- 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
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- 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
- B01D2259/40083—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption
- B01D2259/40088—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating
- B01D2259/40096—Regeneration of adsorbents in processes other than pressure or temperature swing adsorption by heating by using electrical resistance heating
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- 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
- B01D2259/402—Further details for adsorption processes and devices using two beds
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- 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
Abstract
The invention discloses a solar photovoltaic driven electrical swing adsorption air carbon pump system. The system comprises an air compressor, a vacuum pump, a plurality of adsorption beds, resistance wires, an electronic control valve and a four-way reversing valve, wherein adsorbent filler and the resistance wires are contained in adsorption cavities of the adsorption beds; luminous energy is converted into direct current through a solar photovoltaic cell panel to be output and stored in a storage battery, direct current sent by the storage battery is converted into alternating current through an inverter to be supplied to the air compressor, the vacuum pump, the resistance wires and the electronic control valve, and the plurality of adsorption beds perform CO2 adsorption and desorption processes in turn. Resistance wire heating adsorbents accelerate the CO2 desorption process. The solar photovoltaic cell panel supplies power and consumption of fossil fuel and secondary emission of CO2 are reduced; the multi-cavity adsorption carbon pump separates CO2 from the air continuously; the storage battery can increase the continuity of power supply for the carbon pump. The system is exquisite, flexible and quite suitable for the requirement of distributed carbon pump operation in areas with rich solar energy.
Description
Technical field
The present invention relates to the auxiliary carbon pump technical field of solar energy, relate in particular to a kind of photovoltaic auxiliary air and carry out power transformation suctionThe carbon pumping system of attached method.
Background technology
The aggravation of the in short supply and greenhouse effects of global fossil energy has brought many negative effects to environment and social development.According to the target of International Energy Agency, before the year two thousand fifty, Global Temperature heats up and should be strict controlled within 2 DEG C, realize targetKey is to control the discharge capacity of greenhouse gases. Under global scale, carrying out at present air operation carbon pumping system is to reduce greenhouse gasThe effective measures of body discharge. Because the carbon dioxide concentration in air (approximately 385ppm) is lower, cause catching from airCatch carbon dioxide and there is special challenge. Air carbon pump both can catch in CO2 emission seedbed, can distribute far againFrom the seizure air carbon dioxide of emission source, there is the advantage of distributed operation. The carbon dioxide being captured can be in conjunction with can be againThe raw energy is for the synthesis of hydrocarbon fuel etc.
The comparatively feasibility of attention location system of conventional carbon pump technology, does not consider energy consumption, causes the exploitation of correlation technique to face commercializationPredicament. The solution absorption method that for example commercialization is more ripe, it is higher that it catches energy consumption, conventionally catches carbon dioxide power consumption per ton largeAbout 3-4MJ/ton. Absorption method carbon pump has advantage at aspects such as unit capturing ability, energy requirements than absorption process. Absorption method carbonPump has pressure-variable adsorption, Temp .-changing adsorption and three kinds of modes of power transformation absorption, and wherein power transformation adsorption process is simple, adopts Resistant heatingAdsorbent has been accelerated the process of carbon dioxide desorption, is applicable to distributed system on a small scale. The power transformation process of power transformation absorption is by electricityResistance silk and vavuum pump operation realize, and its power consumption is supplied by the external world.
Solar energy is inexhaustible, nexhaustible regenerative resource, and clean nontoxic and non-environmental-pollution is subject to the world alwaysThe extensive concern of various countries. Solar energy power generating has obtained extensive application in the electric power system of isolated user from far-off regions, asMain clean energy resource, the benefit of solar energy power generating is apparent. But, independent solar energy photovoltaic system, due toThe constraint of time and region, is difficult to the round-the-clock solar energy resources that utilizes, and need to come with large capacity and long-life energy-storage batteryRealize abundant storage and the stable output of electric power. Wherein lithium ion battery has environmental protection, safety, specific energy is high, the life-span is long andThe feature such as non-maintaining, has far-reaching significance as the energy-storage battery of photovoltaic generation unit.
Therefore,, with the starting point of brand-new reduction energy consumption, exploitation is a kind of, and by utilizing, solar energy power generating is auxiliary to be realized from skyThe system of catching carbon dioxide in gas is a desired technical effectively alleviating greenhouse gas emission.
About absorption carbon pump, existing invention mainly presents following characteristics:
1. taking operational feasibility as starting point, some inventors grope at Material Field, attempt at carbon dioxide absorbing material angleDegree is innovated. For example, a kind of New Solid amine carbon dioxide absorber has been proposed, head in CN103861557A patent documentationThe method of inferior interpolation surfactant reduces the diffusional resistance of carbon dioxide in solid amine absorption agent, improves the utilization rate of amine,And then the absorption property of the carbon dioxide of raising material. Absorption method that this new adsorbent is integrated and absorption process effect to carbon pump,There is high power capacity, the feature of high selectivity, two-forty and low regeneration energy consumption. In CN103203220A patent documentation, propose a kind ofUtilize aniline and Y zeolite to carry out polymerisation, obtain solid particle; Solid particle is carried out to carburizing reagent, obtain twoCarbonoxide adsorbent, this material is synthetic simple, and performance is better than active carbon. A kind of cage is proposed in CN103120931A patent documentationShape carbon dioxide absorbing material and preparation method thereof, the method comprises the acidified modified of montmorillonite and the absorption of cage type carbon dioxideSynthesizing of material, in this composite, organic amine pay(useful) load amount, between 10～60%, has good adsorption and desorption ability,And have good stability. A kind of modified montmorillonite used carbon dioxide absorbing material and system thereof are disclosed in CN104492370A patent documentationPreparation Method, the method adopts inorganic intercalated dose of intercalation processing, inorganic matter is inserted in the crystal layer of montmorillonite, improves montmorilloniteSpecific area. In CN104056598A patent documentation, disclose a kind of MOFs group carbonic anhydride adsorption agent, comprised MOFs,Be carried in the duct of MOFs and surperficial organic amine, the mass ratio of described MOFs and organic amine is 0.1～10:1.The adsorption material of a kind of modified activated carbon for carbon dioxide pump proposed in WO2013US66281 and US09144770 patent documentationMaterial, this material is injected into magnesia in active carbon, and wherein content of magnesia accounts for 15% of material gross mass.In EP20080772173 patent documentation, propose a kind of doughnut sorbing material, this material is taking polymer as matrix, can be forThe seizure of flue gas carbon dioxide. Similarly the domestic and international patent documentation of absorption synthetic material comprises: WO2013US60721,The patent documentations such as WO2008US84237, US07288136, CN104437383A and CN102500324A. But, withThe technical scheme disclosing in upper patent documentation is just in the innovation of the synthetic angle of material, in concrete carbon dioxide adsorption process, followRing and system do not relate to. This type of technical scheme still can face practical predicament, because the blindness to low energy consumption materialPursue, easily cause the error understanding to technique, material capture Energy Intensity Reduction, process energy consumption rises.
2. also have some patents to rest on device monomer aspect, lack the overall situation and consider. Such as some inventors attempt in titanium dioxideIn carbon adsorption tower structure, innovate. For example notification number is in CN203990246U patent documentation, to have proposed a kind of carbon dioxidePressure-swing absorber, has adopted the gas absorption passage of rectangular configuration, and had used deflection plate to separate, and forms the fixing absorption of deflector typeTower. The advantages such as this structure has that gas uniform is good, gas long flow path, adsorbent utilization rate are high and bed is stable.A kind of adsorption tower and stripper of stand-alone configuration are proposed in AU20070902503 (CN101795750A) patent documentation, itsBe suitable for catching carbon dioxide from the waste gas streams in the power station of combustion of fossil fuels. These patents are innovated in adsorption tower structure,Not in energy consumption and the aspect proposition corrective measure such as auxiliary. Such patent still can face practical predicament, too much pursuesThe optimization of adsorbing and trapping apparatus structure, but actual market product is difficult to accomplish desirable optimizing machining technology requirement, such inventionApplication feature is difficult to haveing breakthrough aspect trapping Energy Intensity Reduction.
3. taking operational feasibility as starting point, some inventors attempt adsorbing carbon pump and other carbon emission system integrations. For exampleIn CN104437060A patent documentation, propose a kind of sugar refinery carbon dioxide recovery activation utilization method and apparatus, will adsorb carbon pump fortuneUse in the carbon emission system of sugar refinery, realized the integrated of system and reduced carbon emission. In US09023244 patent documentationPropose the carbon dioxide in a kind of flue gas that adopts Temp .-changing adsorption trapping hydrogen plant, the method absorbs compared to traditional MDEAMethod has higher carbon dioxide purity. A kind of pressure-variable adsorption is proposed for steam methane weight in US08496908 patent documentationThe reformed gas of whole method hydrogen plant separates, and adsorbed gas is hydrogen, tail gas carbon dioxide and steam. These patents are absorptionThe carbon emission origin systems such as carbon pump and sugar refinery and hydrogen plant are integrated, solved the object that reduces carbon emission, but in energy consumption and auxiliaryEtc. aspect corrective measure is not proposed. Therefore, these patents also can face practical predicament.
4. on the other hand, numerous researchers combine solar energy with carbon pump technology, make solar thermal utilization for absorption process carbonDuring the hear rate of pump is assisted. For example, US2010/0005966A1 (WO2007AU00994), CN103372371A andThe integrated system of solar thermal utilization and absorption process carbon pump is all proposed in CN103990372A patent documentation. It is different,In US2010/0005966A1 patent documentation, propose solar energy heat-collection field generation heat energy and be directly used in coal-burning power plant's absorption process (ethanolAmine) carbon pump. In CN103372371A patent documentation, propose a kind of heat energy that utilizes solar thermal collector to produce, first drive organicRankine cycle generating, then be the system of coal-burning power plant's absorption process (monoethanolamine) carbon pump energy supply, thereby realize the step of energyUtilize, reduced again carbon pump energy consumption. The auxiliary combustion of a kind of solar energy flash evaporation seawater desalting is proposed in CN103990372A patent documentationCoal power generation carries out the system of ammonia process carbon pump. The patent documentation of similar solar energy utilization technique and absorption process carbon pump also hasThe patent documentations such as CN104154521A, CN104607001A and CN103752142A. CN104307308A patent documentationA kind of process system that utilizes the decarburization of photovoltaic assistant coal unit of middle proposition, is reduced by photovoltaic system heating absorption method carbon pumping systemExtracted steam from turbine. The feature of these patents is by the multiple solution of the various ways of solar thermal utilization and absorption process carbon pump aboveType combines, but the regeneration energy consumption of absorption process carbon pump is high, becomes the significant obstacle of restriction carbon pump technical development.
5. about carbon pump concept, what study at biological field is the Carbon balance in biosphere, for example WO2007/014349 patent literary compositionOffer the method that the carbon dioxide in isolation aqueous environments is provided, the PM that the method produces is with apparently higher than by biological carbon pumpThe rate sedimentation of the PM that produces of other composition. In addition, chemical field has a kind of concept of decarburization pump, is a kind of pump, exampleAs a kind of decarburization pump leakage-resisting technology is provided in CN101560991 patent documentation, be applied to the contact-making surface between sealed object,Prevent unnecessary leakage. In CN201988310U patent documentation, relate to a kind of synthetic ammonia decarbonizing flash steam recovery device, compriseDecarburization pump, high pressure flash gas absorption tower, washer and separator etc., this device fully reclaimed the hydrogen in decarbonizing flash steam,Nitrogen available gas, has increased synthetic ammonia output, has also reclaimed carbon dioxide simultaneously to increase urea production. This patent instituteThe carbon pump of carrying refers to the low energy consumption carbon trapping system in a kind of thermodynamics, and abiotic and concept chemical field.
Comprehensive above can find out, existing Patents can not reach the target of exploitation idealized system mentioned above, at presentNeed exploitation badly a kind of by utilizing solar energy to assist the carbon pumping system of the air adsorption method of low energy consumption.
Summary of the invention
For above-mentioned prior art, the object of the invention is to overcome the deficiencies in the prior art, provide a kind of by utilizing the sunThe system of the air adsorption method carbon pump of low energy consumption can be assisted, the annual demand from air separation carbon dioxide can be met.
In order to solve the problems of the technologies described above, a kind of solar photovoltaic driving power transformation absorbed air carbon pumping system that the present invention proposes,Formed by solar energy power generating unit and power transformation absorption carbon pump unit; Described solar energy power generating unit comprises solar energyVolt cell panel, battery and inverter; Described power transformation absorption carbon pump unit comprise air compressor machine, vavuum pump, multiple adsorbent bed,Resistance wire, electrically-controlled valve and four-way change-over valve; Adsorbent filler and resistance wire are housed in the adsorbent chamber of described adsorbent bed; Too describedSun can photovoltaic battery panel be that direct current is exported and is stored in battery by light energy conversion, and the direct current that battery sends is through inversionDevice transfers alternating current to and is air compressor machine, vavuum pump, resistance wire and electrically-controlled valve power supply, and described power transformation absorption carbon pump unit adopts manyIndividual adsorbent bed carries out the adsorption and desorption process of carbon dioxide in turn, carries out continuously carbon dioxide and divides thereby realize in airFrom process.
The control method of a kind of solar photovoltaic driving power transformation of the present invention absorbed air carbon pump is to use above-mentioned photovoltaic to driveMoving power transformation absorbed air carbon pumping system, and comprise the following steps:
Step 1, outside air or the flue gas containing high concentration carbon dioxide are transported to described air compressor machine by entrance, pass throughGas after air compressor machine pressurization is disperseed to carry by many branch roads behind gas pipeline gas outlet; Every group of branch road comprise branch road A andBranch road B;
Step 2, state of setting two electrically-controlled valve of each group on branch road are: the electrically-controlled valve on branch road A is in open modeTime, the electrically-controlled valve on branch road B is in closed condition; Compressed air enters the adsorbent bed on branch road A by the electrically-controlled valve of openingAdsorbent chamber carry out carbon dioxide absorption, the gas not being adsorbed remaining in branch road A changes through the four-way on this group branch roadAn outlet to valve is discharged to atmosphere; Meanwhile, the resistance wire short time in the adsorbent chamber of the adsorbent bed on branch road B connectsAdsorbent filler in current flow heats adsorbent chamber, under the running of described vavuum pump in vacuum state, the dioxy in adsorbent chamberChange carbon and departed from adsorbent filler, another of the four-way change-over valve on this group branch road of carbon dioxide process of the high concentration dischargingAfter individual outlet, discharge by the pipe outlet being connected with vacuum pump outlet, the temperature in this adsorbent chamber drops to often gradually simultaneously againTemperature, has realized carbon dioxide from airborne separation;
Step 3, through operation after a while, the opening and closing state of two electrically-controlled valve on every group of branch road is switched,And the four-way change-over valve on this group branch road is turn 90 degrees clockwise, now, the adsorbent bed on branch road A carries out the dioxy of high concentrationChange carbon desorption process, the adsorbent bed on branch road B carries out the adsorption process of carbon dioxide;
Repeated execution of steps two and step 3, utilize the switching execution cycle property of two branch roads to adsorb and desorption, realized from skyContinuation separating carbon dioxide in gas.
Compared with prior art, the invention has the beneficial effects as follows:
(1) electric energy that photovoltaic produces, for the power consumption parts of air carbon pump, has reduced the consumption to fossil fuel, realShow the process of utilizing the auxiliary operation of regenerative resource air carbon pump.
(2) adopt dual chamber or Multicarity absorption carbon pump to realize continuation separating carbon dioxide from air.
(3) interpolation battery in solar energy power generating unit can be realized the continuity of air carbon pump power supply.
(4) power transformation absorption adopts Resistant heating adsorbent to accelerate the process of carbon dioxide desorption, has shortened carbon dioxideThe separating cycle cycle.
Brief description of the drawings
Fig. 1 is solar photovoltaic driving power transformation absorbed air carbon pumping system schematic diagram of the present invention; In Fig. 1: 1-outside air pipelineEntrance, 2-air compressor machine, 3-the first electrically-controlled valve, 4-the second electrically-controlled valve, the adsorbent chamber of 5-the first adsorbent bed, 6-the second adsorbent bedAdsorbent chamber, 7-four-way change-over valve, 8-atmosphere, 9-vavuum pump, 10-pipe outlet, 11-solar photovoltaic cell panel; 12-electric power storagePond; 13-inverter, 14-resistance wire.
Fig. 2 is the workflow diagram of many air adsorption carbon pumps.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, technical solution of the present invention is described in further detail described concrete enforcementExample only explains the present invention, not in order to limit the present invention.
The mentality of designing of a kind of solar photovoltaic driving power transformation absorbed air carbon pumping system that the present invention proposes is annual in order to meetFrom the demand of air separation carbon dioxide, taking solar energy power generating and power transformation absorbed air carbon pump technology as core, this systemFormed by solar energy power generating unit and power transformation absorption carbon pump unit; Described solar energy power generating unit comprises solar energyVolt cell panel, battery and inverter; Described power transformation absorption carbon pump unit comprise air compressor machine, vavuum pump, multiple adsorbent bed,Resistance wire, electrically-controlled valve and four-way change-over valve; Adsorbent filler and resistance wire are housed in the adsorbent chamber of described adsorbent bed; Too describedSun can photovoltaic battery panel be that direct current is exported and is stored in battery by light energy conversion, and the direct current that battery sends is through inversionDevice transfers alternating current to and is air compressor machine, vavuum pump, resistance wire and electrically-controlled valve power supply, and described power transformation absorption carbon pump unit adopts manyIndividual adsorbent bed carries out the adsorption and desorption process of carbon dioxide in turn, carries out continuously carbon dioxide and divides thereby realize in airFrom process.
Embodiment, taking two adsorbent beds as example, solar photovoltaic driving power transformation absorbed air carbon pumping system of the present invention, as Fig. 1Shown in, this system solar energy power generating unit and power transformation absorption carbon pump unit.
Described power transformation absorption carbon pump unit comprises air compressor machine 2, vavuum pump 9, two adsorbent beds, in each adsorbent bed, includes suctionAttached chamber, is equipped with adsorbent filler and resistance wire 14 in adsorbent chamber. The import of described air compressor machine 2 and outside air (can be alsoContaining the flue gas of high concentration carbon dioxide) entrance 1 be connected, the outlet of described air compressor machine 2 is connected with a gas pipeline,Behind the gas outlet of described gas pipeline, be divided into many branch roads in parallel, the number of branch road is that even numbers multiple (wraps in the present embodimentDrawn together two branch roads, a road is branch road A, and another road is branch road B), two branch roads are one group, branch road A is upper from described gas transmissionOne end, gas outlet of pipeline is provided with the adsorbent chamber 5 of the first electrically-controlled valve 3 and the first adsorbent bed successively; Branch road B is upper from described appendixThe one end, gas outlet in road is provided with the absorption of adsorbent chamber 6 first, second adsorbent beds of the second electrically-controlled valve 4 and the second adsorbent bed successivelyThe lower part outlet in chamber 5 and 6 is connected to two imports of a four-way change-over valve 7 respectively, of described four-way change-over valve 7Atmosphere 8 is led in outlet, and another outlet of described four-way change-over valve is connected to described vavuum pump 9, the outlet of described vavuum pump 9Be connected with the pipe outlet 10 of discharging for the carbon dioxide of high concentration.
In the present embodiment, two adsorbent chamber 5 and 6 of first, second adsorbent bed can adopt multiple cavitys to compose in parallel; ItsIn, the air inlet of each cavity has electrically-controlled valve control; Adopt the cavity downstream tube of while adsorption and desorption in Multicarity parallel connectionRoad enters four-way change-over valve 7 after concentrating respectively again. According to actual needs, the number of cavity can be 2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19 or 20.
In the present invention, described adsorbent filler is any in active carbon, metal organic frame material, zeolite, silica gelAny (material modified can increasing carbon dioxide adsorption capacity) in material or above-mentioned material material modified.The operation of air compressor machine will ensure that the air adsorbing is in barotropic state, and pressure limit is 1.014bar-10bar, outside making like thisBeing transported to of boundary's air-stable adsorbed in cavity, thereby completes the carbon dioxide adsorption process of adsorption stuffing. Resistance wire is to absorptionThe heating and temperature control of the solid packing in cavity is between 75 DEG C-200 DEG C.
Described solar energy power generating unit comprises solar photovoltaic cell panel 11, battery 12 and inverter 13, too describedSun energy photovoltaic battery panel 11 is by being wired to described battery 12, and battery 12 can be lithium battery etc., battery 12Be connected by electrical wiring to described inverter 13; Described inverter 13 is connected respectively to described power transformation absorption carbon pump unit by electric wireIn vavuum pump 9, air compressor machine 2, each adsorbent chamber in resistance wire 14 and first, second electricity on branch road A and branch road BThe power consumption parts such as control valve 3 and 4. The size of solar energy photovoltaic panel and the capacity of battery depend in absorption carbon pump unit allThe general power of power consumption parts, local solar radiation resource and the requirement of corresponding operation strategy etc.
In the present invention, the workflow of solar energy power generating unit is: in fine, and solar photovoltaic cell panel11 utilize solar energy to realize the conversion of luminous energy to electric energy, and the direct current of generation such as leads to, in battery 12 (lithium battery etc.)Row electrical power storage. The battery 12 of store electrical energy can round-the-clock supply electric energy. The direct current that battery 12 produces is through leadingLine connects and leads to inverter 13, has realized the conversion of direct current to alternating current. Alternating current after inverter 13 conversion can be toThe parts (such as air compressor machine 2, vavuum pump 9, resistance wire 14 and electrically-controlled valve 3 etc.) that consume energy in absorbed air carbon pump unit power supply.
In the present invention, the workflow of power transformation absorption carbon pump unit is: outside air or logical containing the flue gas of high concentration carbon dioxidePiping entrance 1 is transported to described air compressor machine 2, is transported to be by the gas after air compressor machine 2 pressurizations through gas pipeline gas outletIn system, and disperse to carry by organizing branch road more; Every group of branch road comprises branch road A and branch road B; Now by setting each group branch roadOn the state of two electrically-controlled valve, when the first electrically-controlled valve 3 on branch road A is during in open mode, second on branch road BElectrically-controlled valve 4 is in closed condition; Compressed air enters the first adsorbent bed on branch road A by the first electrically-controlled valve 3 of openingAdsorbent chamber 5 is carried out carbon dioxide absorption, and the gas not being adsorbed remaining in branch road A changes through the four-way on this group branch roadAn outlet to valve 7 is discharged to atmosphere 8; Meanwhile, the resistance wire in the adsorbent chamber 6 of the second adsorbent bed on branch road B14 short time turn-on current heat the adsorbent filler in this adsorbent chamber, under the running of described vavuum pump 9 in vacuum state,Carbon dioxide in adsorbent chamber has departed from adsorbent filler, and the carbon dioxide of the high concentration discharging is through four on this group branch roadAfter another outlet of logical reversal valve 7, discharge by exporting with vavuum pump 9 pipe outlet 10 being connected again, simultaneously this first suctionTemperature in the adsorbent chamber 6 of attached bed drops to normal temperature gradually, has realized carbon dioxide from airborne separation;
Through operation after a while, the opening and closing state of first, second electrically-controlled valve 3 and 4 on every group of branch road is carried outSwitch, and the four-way change-over valve 7 on this group branch road is turn 90 degrees clockwise, now, the suction of the first adsorbent bed on branch road AIn attached chamber 5, carry out the carbon dioxide desorption process of high concentration, in the adsorbent chamber 6 of the second adsorbent bed on branch road B, carry out dioxyChange the adsorption process of carbon; Utilize the operation of the adsorption/desorption of the two adsorbent chamber of two branch roads to switch, the absorption of execution cycle property and desorption,Realize continuation separating carbon dioxide from air.
If dual chamber absorption carbon pump becomes Multicarity, the air inlet of each cavity is installed electrically-controlled valve, adopts Multicarity parallel connectionThe cavity downstream pipeline of middle while adsorption and desorption leads to four-way change-over valve 7 after concentrating respectively again. Its workflow as shown in Figure 2,Within the t time, the cavity of an electrically-controlled valve control part adsorbs at carbon dioxide, and the cavity of another part is at carbon dioxide desorption (electricityThe first heating adsorption filler of resistance silk, then vavuum pump extracts carbon dioxide). After the t time, four-way change-over valve 7 turns clockwise90 degree, the cavity of the original absorption of electrically-controlled valve control starts to carry out desorption process, and the cavity that originally carries out desorption starts to become absorptionProcess. After the t time, four-way change-over valve 7 turn 90 degrees clockwise again again, and the cavity of desorption was carried out in electrically-controlled valve control originallyStart to become adsorption process, originally the cavity of absorption starts to carry out desorption process. So periodically absorption can be real with desorptionMany continuation separating carbon dioxides from air are showed.
Adopt dual chamber (or Multicarity) absorption carbon pump to realize continuation in air with the measure of adding battery and separate dioxyChange the process of carbon. The electric energy that photovoltaic produces, for the power consumption parts of air carbon pump, has reduced the consumption to fossil fuelWith the secondary emission of carbon pump operation, realize the integrated of regenerative resource and air carbon pump. Power transformation absorption adopts Resistant heatingAdsorbent has been accelerated the process of carbon dioxide desorption, has shortened the cycle of separating cycle. The present invention is flexibly exquisite, very applicableSolar energy resources enriches the operation of regional distributed space gas carbon pumping system.
Although in conjunction with figure, invention has been described above, the present invention is not limited to above-mentioned detailed description of the invention,Above-mentioned detailed description of the invention is only schematically, instead of restrictive, and those of ordinary skill in the art is in the present inventionEnlightenment under, in the situation that not departing from aim of the present invention, can also make a lot of distortion, these all belong to guarantor of the present inventionWithin protecting.
Claims (7)
1. a solar photovoltaic driving power transformation absorbed air carbon pumping system, is characterized in that:
Formed by solar energy power generating unit and power transformation absorption carbon pump unit;
Described solar energy power generating unit comprises solar photovoltaic cell panel, battery and inverter;
Described power transformation absorption carbon pump unit comprises that air compressor machine, vavuum pump, multiple adsorbent bed, resistance wire, electrically-controlled valve and four-way changeTo valve; Adsorbent filler and resistance wire are housed in the adsorbent chamber of described adsorbent bed;
Described solar photovoltaic cell panel is that direct current is exported and is stored in battery by light energy conversion, and it is straight that battery sendsIt is also air compressor machine, vavuum pump, resistance wire and electrically-controlled valve power supply that stream electricity transfers alternating current to through inverter, described power transformation absorption carbon pumpUnit adopts multiple adsorbent beds to carry out in turn the adsorption and desorption process of carbon dioxide, carries out continuously in air thereby realizeCarbon dioxide separation process.
2. solar photovoltaic driving power transformation absorbed air carbon trapping system according to claim 1, is characterized in that:
The import of described air compressor machine is connected with the entrance of outside air, and the outlet of described air compressor machine is connected with a gas pipeline,Behind the gas outlet of described gas pipeline, be divided into many branch roads in parallel, the number of branch road is even numbers multiple;
Every two branch roads are one group, and the one end, gas outlet from described gas pipeline on every branch road is provided with electrically-controlled valve and absorption successivelyBed; The lower part outlet of two adsorbent chamber on same group of branch road is all connected to two imports of a four-way change-over valve, described four-wayAtmosphere is led in an outlet of reversal valve, and another outlet of described four-way change-over valve is connected to described vavuum pump, described vacuumDelivery side of pump is connected with the pipe outlet of discharging for the carbon dioxide of high concentration;
Described solar photovoltaic cell panel is connected to described battery and described inverter successively by electric wire;
Described inverter is connected with described vavuum pump, air compressor machine, resistance wire and electrically-controlled valve respectively by electric wire.
3. solar photovoltaic driving power transformation absorbed air carbon pumping system according to claim 2, is characterized in that: described absorptionChamber is composed in parallel by multiple cavitys.
4. solar photovoltaic driving power transformation absorbed air carbon pumping system according to claim 3, is characterized in that: described absorptionChamber is composed in parallel by 2-20 cavity.
5. a control method for solar photovoltaic driving power transformation absorbed air carbon pump, is characterized in that: use as claim 2Described solar photovoltaic driving power transformation absorbed air carbon pumping system, and comprise the following steps:
Step 1, outside air or the flue gas containing high concentration carbon dioxide are transported to described air compressor machine by entrance, pass throughGas after air compressor machine pressurization is disperseed to carry by many branch roads behind gas pipeline gas outlet; Every group of branch road comprise branch road A andBranch road B;
Step 2, state of setting two electrically-controlled valve of each group on branch road are: the electrically-controlled valve on branch road A is in open modeTime, the electrically-controlled valve on branch road B is in closed condition; Compressed air enters the adsorbent bed on branch road A by the electrically-controlled valve of openingAdsorbent chamber carry out carbon dioxide absorption, the gas not being adsorbed remaining in branch road A changes through the four-way on this group branch roadAn outlet to valve is discharged to atmosphere; Meanwhile, the resistance wire short time in the adsorbent chamber of the adsorbent bed on branch road B connectsAdsorbent filler in current flow heats adsorbent chamber, under the running of described vavuum pump in vacuum state, the dioxy in adsorbent chamberChange carbon and departed from adsorbent filler, another of the four-way change-over valve on this group branch road of carbon dioxide process of the high concentration dischargingAfter individual outlet, discharge by the pipe outlet being connected with vacuum pump outlet, the temperature in this adsorbent chamber drops to often gradually simultaneously againTemperature, has realized carbon dioxide from airborne separation;
Step 3, through operation after a while, the opening and closing state of two electrically-controlled valve on every group of branch road is switched,And the four-way change-over valve on this group branch road is turn 90 degrees clockwise, now, the adsorbent bed on branch road A carries out the dioxy of high concentrationChange carbon desorption process, the adsorbent bed on branch road B carries out the adsorption process of carbon dioxide;
Repeated execution of steps two and step 3, utilize the switching execution cycle property of two branch roads to adsorb and desorption, realized from skyContinuation separating carbon dioxide in gas.
6. solar photovoltaic driving power transformation absorbed air carbon method for controlling pump according to claim 5, is characterized in that: described inAdsorbent filler is any material or the above-mentioned material in active carbon, metal organic frame material, zeolite, silica gelMaterial modified in any.
7. solar photovoltaic driving power transformation absorbed air carbon method for controlling pump according to claim 5, is characterized in that: described inResistance wire to the heating and temperature control of the adsorbent filler in adsorbent chamber between 75 DEG C-200 DEG C; Described air compressor machine is in titanium dioxideIn carbon adsorption process, maintain pressure in adsorbent chamber in barotropic state, pressure limit is 1.014bar-10bar.
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| CN112293087A (en) * | 2019-07-31 | 2021-02-02 | 云南师范大学 | Circulating air source facility agriculture CO2Fertilizer application device |
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| WO2023173893A1 (en) * | 2022-11-29 | 2023-09-21 | 常州大学 | High-pressure air carbon capture and analysis integrated device for use in intelligent greenhouse |
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