CN109217370A - A kind of power generation that wind/light is complementary with biomass and chemicals energy-storage system and control method - Google Patents
A kind of power generation that wind/light is complementary with biomass and chemicals energy-storage system and control method Download PDFInfo
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- 239000002028 Biomass Substances 0.000 title claims abstract description 63
- 239000000126 substance Substances 0.000 title claims abstract description 63
- 238000004146 energy storage Methods 0.000 title claims abstract description 52
- 238000010248 power generation Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000000295 complement effect Effects 0.000 title claims description 12
- 239000001301 oxygen Substances 0.000 claims abstract description 82
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 82
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 74
- 230000033228 biological regulation Effects 0.000 claims abstract description 62
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 60
- 239000001257 hydrogen Substances 0.000 claims abstract description 59
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 44
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 37
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 230000005611 electricity Effects 0.000 claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 30
- 150000002431 hydrogen Chemical class 0.000 claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 239000000446 fuel Substances 0.000 claims abstract description 11
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 33
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 27
- 238000002309 gasification Methods 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 235000019441 ethanol Nutrition 0.000 claims description 3
- 239000003350 kerosene Substances 0.000 claims description 3
- 239000003502 gasoline Substances 0.000 claims description 2
- 230000006641 stabilisation Effects 0.000 claims 3
- 238000011105 stabilization Methods 0.000 claims 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 4
- 239000006227 byproduct Substances 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 9
- 239000000047 product Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000219000 Populus Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000010815 organic waste Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
Classifications
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- H02J3/383—
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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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H02J3/386—
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
-
- 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
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/20—Climate change mitigation technologies for sector-wide applications using renewable energy
Abstract
The present invention relates to a kind of wind/light or organisms matter complementation power generation and chemicals energy-storage system and control method, the energy-storage system includes: wind/light generator unit, power regulation unit, electrolysis water unit, hydrogen oxygen storage element, biomass economy unit, chemicals synthesis unit and peaking generation unit.The control method includes operational mode of generating electricity by way of merging two or more grid systems, and surplus operation power mode abandons electricity operation mode and four kinds of peaking generation operational mode.Energy-storage system according to the present invention is on the basis of traditional wind/light complemental power-generation and synthetic fuel energy storage, it introduces biomass among system, both wind/light power generation fluctuation was adjusted using the stability of biomass power generation, again can efficient local use abandon the by-product oxygen of electric hydrogen manufacturing and realize the conversion of biomass, and carbonaceous gas is provided for subsequent chemicals synthesis unit, the comprehensive high-efficiency for realizing energy and material utilizes, and improves the anti-fluctuation ability and output benefit of renewable energy system.
Description
Technical field
The present invention relates to a kind of power generation of multi-energy complementation and energy-storage system, specially a kind of wind/light or organisms matter is complementary
Power generation and chemicals energy-storage system, belong to the energy, electric power and chemical technology field.
Background technique
With Chinese society expanding economy, energy supply day is becoming tight.Brought by traditional fossil energy development and utilization
The problems such as environmental pollution, climate change, also gets worse.Greatly developing efficient, clean renewable energy system is to guarantee
Chinese energy safety reduces the important measure of environmental pollution.But renewable energy especially wind energy, solar energy is unstable, power generation
Inferior quality, direct grid-connected are larger to power grid impact, and western high-quality wind-powered electricity generation, photoelectricity resource are difficult to digest on the spot, cause to abandon
Wind, abandoning optical issue are serious, need to research and solve.
The energy storage technology of large capacity is to solve wind, light to generate electricity one of unstable important channel.Compared to traditional energy storage skill
Art, Power to Gas (P2G) technology convert hydrogen for the renewable sources of energy electric power that power grid can not dissolve using electrolysis water technology,
Or synthetic natural gas or liquid fuel etc. are further produced by methanation technology, realize the conversion from electric power to chemicals,
That is chemicals energy storage.P2G technology stored energy capacitance is big, the period is long, can dissolve the fluctuation of extensive long-time wind, light power generation, be one
The energy storage new way of kind great potential.Based on P2G technology, scholar proposes various energy resources conversion and energy-storage system.Such as patent
(CN201610597945.5) a kind of scene-hydrogen energy storage and coal chemical industry hybrid power electricity generation system are disclosed, realizes energy storage and coal
The coupling of chemical industry.Patent (CN201510481776) disclose a kind of wind-hydrogen-water-electricity energy mix system topology and its
Control method realizes wind-powered electricity generation, energy storage and the efficient combination of fuel cell power generation.
It is published at present based on energy resource system a part of P2G technology using hydrogen as chemical products, but the more difficult storage of hydrogen
Fortune is not suitable for large-scale promotion application.Another part is using methane or liquid fuel as chemical products, but chemicals synthesis process institute
The utilization in the carbonaceous gas source and electrolysis water by-product oxygen that need is still to combine with traditional fossil energy, and being unable to satisfy can be again
Raw energy system requirement.Therefore, there is an urgent need to develop a kind of more cleanings, efficient P2G energy comprehensive utilization system, to solve
The above problem.
Summary of the invention
It is an object of the invention to by introducing biomass, construct the power generation of a kind of wind, light or organisms mass-energy complementation and
Chemicals energy-storage system realizes that the clean conversion of electrolysis water by-product oxygen utilizes to reduce the fluctuation of wind, light power generation, and
Green carbonaceous gas is provided for the synthesis of energy storage chemicals, solves current P2G energy resource system problems faced.
The technical solution adopted by the present invention is summarized as follows: wind hair electrically or optically generates electricity to be controlled through electric adjustment, and stable power is simultaneously
Enter power grid.The electric power that power grid can not dissolve is used for water electrolysis hydrogen production gas and oxygen.Oxygen can be used for biomass oxygen-rich gasification or
Oxygen-enriched combusting, the carbonaceous gas after biomass economy enter chemicals synthesis unit, the hydrogen synthesis of natural generated with electrolysis water
The fuel such as gas or methanol.When wind/light power generation is unable to satisfy power grid demand, peak regulation is carried out using the hydrogen or chemicals of storage
Power generation.To sum up, whole system is achieved that wind/light/biomass complemental power-generation, while excrescent electric power can be converted to chemicals
(chemicals energy storage), the final Efficient Conversion for realizing renewable energy and storage utilize.Specific technical solution is as follows:
A kind of power generation that wind/light is complementary with biomass and chemicals energy-storage system, the system comprises:
Wind/light generator unit 1, for generating electric power by wind/light power generation；
Power regulation unit 2, the power regulation unit 2 respectively with the wind light generation unit 1 and with external electrical network electricity
Connection, for controlling electric power output；
Electrolysis water unit 3 is electrically connected with the power regulation unit 2, receives the electricity from the power regulation unit 2
Power generates hydrogen and oxygen for electrolysis water；
Hydrogen oxygen storage element 4 is connect, for being stored in the electrolysis water unit 3 with 3 pipeline of electrolysis water unit
The hydrogen and oxygen that middle electrolysis water generates；
Biomass economy unit 5 is connect with 4 pipeline of hydrogen oxygen storage element, comes from the hydrogen oxygen for receiving
The oxygen of storage element 4, the physical-chemical reaction for biomass；
Chemicals synthesis unit 6, with the hydrogen oxygen storage element 4, the biomass economy unit 5 and exterior tube
Network management line connection, for receiving respectively from the hydrogen of the hydrogen oxygen storage element 4 and from the biomass economy unit 5
Carbonaceous gas, synthesis of chemicals simultaneously by the chemicals of synthesis to outside network export；
Peaking generation unit 7, connect with the hydrogen oxygen storage element 4,6 pipeline of chemicals synthesis unit and with institute
The electrical connection of power regulation unit 2 is stated, for described in the peak regulation electric power input according to system power status peaking generation and by generation
Power regulation unit 2.
Preferably, described in wind/light according to the present invention power generation complementary with biomass and chemicals energy-storage system
Biomass economy unit 5 can be electrically connected with the power regulation unit 2, for that will be generated by the biomass economy unit 5
Electric power input described in power regulation unit 2.
Preferably, the hydrogen oxygen storage element 4 includes hydrogen storage tank and oxygen storage tank.
Preferably, the biomass economy unit 5 includes but are not limited to oxygen-enriched combusting and oxygen-rich gasification device.
Preferably, the biomass economy unit 5 further includes power generator, and the power generator is used for the oxygen-enriched combustion
The energy of burning process is converted into electric power 502 and is delivered to the power regulation unit 2.
Preferably, the product that the chemicals synthesis unit 6 synthesizes includes but are not limited to methane, methanol, ethyl alcohol, diformazan
Ether, gasoline, diesel oil and aviation kerosine.
Preferably, the peaking generation unit 7 only starting when the power regulation unit 2 operates in peaking generation mode
Operation, the chemicals of the hydrogen or the chemicals synthesis unit 6 that use the hydrogen-oxygen storage element 4 are incited somebody to action for fuel power generation function
Peak regulation electric power 701 inputs the power regulation unit 2.
A kind of controlling party of the power generation that wind/light according to the present invention is complementary with biomass and chemicals energy-storage system
Method, the control method include operational mode of generating electricity by way of merging two or more grid systems, and surplus operation power mode abandons electricity operation mode and peaking generation fortune
Four kinds of row mode, wherein the power regulation unit 2 according to the power program exported from the wind/light generator unit 1 or
Artificially one of above-mentioned four kinds of operational modes are taken in control.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 and meeting power grid demand, according to this hair
The bright energy-storage system takes operational mode of generating electricity by way of merging two or more grid systems, wherein the power regulation unit 2, which receives, comes from the wind/light
It the electric power 103 of generator unit 1 and exports first electric power 201 and no longer exports second electric power 202 to external electrical network.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 but being insufficient for power grid demand, root
Peaking generation operational mode is taken according to the energy-storage system of the invention, wherein the power regulation unit 2 is received from described
Wind/light generator unit 1 electric power 103, the electric power 502 from the biomass economy unit 5 and/or come from the peaking generation
It the electric power 701 of unit 7 and exports first electric power 201 and no longer exports second electric power 202 to external electrical network.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 but exceeding power grid demand, according to this hair
The bright energy-storage system takes surplus operation power mode, wherein the power regulation unit 2, which receives, comes from the wind/light
The electric power 103 of generator unit 1 simultaneously exports first electric power 201 to external electrical network simultaneously and exports to the electrolysis water unit 3
Second electric power 202.
Preferably, when unstable from the wind/light generator unit 1 electric power 103, when can not be incorporated to external electrical network, root
It is taken according to the energy-storage system of the invention and abandons electricity operation mode, wherein the power regulation unit 2 receives from the wind/
The electric power 103 of light generator unit 1 simultaneously only exports second electric power 202 without defeated to external electrical network to the electrolysis water unit 3
First electric power 201 out.
Advantages of the present invention are as follows: on the basis of traditional wind/light complemental power-generation and synthetic fuel energy storage, the present invention will be biological
Among matter introducing system, wind/light power generation fluctuation not only was adjusted using the stability of biomass power generation, but also can efficiently on the spot
The conversion of biomass is realized using the by-product oxygen for abandoning electric hydrogen manufacturing, and provides carbonaceous gas for subsequent chemicals synthesis unit,
The comprehensive high-efficiency for realizing energy and material utilizes, and improves the anti-fluctuation ability and output benefit of renewable energy system, is
It widelys popularize renewable energy utilization and provides solution in China.
Detailed description of the invention
Fig. 1 is wind/light according to the present invention power generation and chemicals energy-storage system block schematic illustration complementary with biomass.
Fig. 2 is system flow schematic diagram in embodiment 1.
Fig. 3 is system flow schematic diagram in embodiment 2.
Appended drawing reference:
1-wind light generation unit；2-power regulation units；3-electrolysis water units；4-hydrogen-oxygen storage elements；5-biomass benefit
Use unit；6-chemicals synthesis units；7-peaking generation units；101-wind energies；102-luminous energy；103-honourable electric power；201-the
One electric power；202-the second electric power；301-hydrogen and oxygen；401-oxygen；402-hydrogen；501-biomass；502-biomass electricity
Power；Tail gas after 503-biomass economies；601-chemicals；701-peak regulation electric power；504-oxygen-rich gasification devices；505-synthesis gas are net
Makeup is set；506-synthesis gas；602-Water gas shift/WGS devices；603-methanation synthesizers；604-methane purifying devices；605–
Methane；507-oxygen-enriched burning devices；508-steam electric power generators；509-oxygen-enriched combusting flue gases；606-Reversed Water-gas Shift devices；
607-methanol synthesizers；608-methanol purification devices；609-methanol.
Specific embodiment
Hereinafter, will be described in detail the present invention.Before doing so, it should be appreciated that in this specification and appended
Claims used in term should not be construed as being limited to general sense and dictionary meanings, and inventor should allowed
On the basis of the appropriate principle for defining term to carry out best interpretations, according to meaning corresponding with technical aspect of the invention and generally
Thought explains.Therefore, description presented herein is not intended to limitation originally merely for the sake of the preferred embodiment for illustrating purpose
The range of invention, it will thus be appreciated that without departing from the spirit and scope of the present invention, it can be obtained by it
His equivalents or improved procedure.
Wind/light according to the present invention power generation complementary with biomass and chemicals energy-storage system include:
Wind/light generator unit 1, for generating electric power by wind/light power generation, the wind generator unit may include trunnion axis wind
Power generator, vertical axis aerogenerator and double-fed generator etc., the smooth generator unit may include that all utilizations are partly led
The photovoltaic effect of body interface and the device that luminous energy is directly translated into electric energy.
Power regulation unit 2, the power regulation unit 2 respectively with the wind light generation unit 1 and with external electrical network electricity
Connection, for controlling electric power output.The power regulation unit 2 may include power inverter, such as transformer, and electric power passes
Defeated device, such as cable further include control device, and the control device can or people automatic according to electrical distribution situation in system
Building site adjusts system running state.
Electrolysis water unit 3 is electrically connected with the power regulation unit 2, receives the electricity from the power regulation unit 2
Power generates hydrogen and oxygen for electrolysis water.The electrolysis water unit 3 is by obtaining the electricity from the power regulation unit 2
Water electrolysis is hydrogen and oxygen by conventional electrolytic water device by power 202, realizes the conversion of energy, and the hydrogen of acquisition can be with
Energy sources as power generator (such as fuel cell) in other generator units；The oxygen of acquisition can be used as other units
The raw material of (such as chemicals synthesis unit), or it is used for other industrial circles.
Hydrogen oxygen storage element 4 is connect, for being stored in the electrolysis water unit 3 with 3 pipeline of electrolysis water unit
The hydrogen and oxygen that middle electrolysis water generates.
Biomass economy unit 5 is connect with 4 pipeline of hydrogen oxygen storage element, comes from the hydrogen oxygen for receiving
The oxygen of storage element 4, the physical-chemical reaction for biomass.The biomass economy unit 5 is including but not limited to oxygen-enriched
Burning and oxygen-rich gasification device.The oxygen-containing gas that the oxygen-enriched combusting is higher than air oxygen content (20.947%) is fired
The energy-efficient combustion technology burnt.Oxygen-rich gasification process is using oxygen (oxygen-enriched or industrial pure oxygen) as gasifying agent, at high temperature
The combustible constituent in biomass is converted to by chemically reacting the technical process of imflammable gas.Resulting combustible gas when gasification
Commonly referred to as synthesis gas, the equipment to gasify is known as gasification furnace when body is used as industrial chemicals.
Preferably, the biomass economy unit 5 further includes power generator, and the power generator is used for the oxygen-enriched combustion
The energy of burning process is converted into electric power 502 and is delivered to the power regulation unit 2.
Preferably, the biomass 501 that can be used for the biomass economy unit 5 includes but is not limited to stalk, sawdust, flower
The raw agriculture and forestry organic waste materials such as shell and branch and its processing derived product.
Chemicals synthesis unit 6, with the hydrogen oxygen storage element 4, the biomass economy unit 5 and exterior tube
Network management line connection, for receiving respectively from the hydrogen of the hydrogen oxygen storage element 4 and from the biomass economy unit 5
Carbonaceous gas, synthesis of chemicals simultaneously by the chemicals of synthesis to outside network export.
The product that the chemicals synthesis unit 6 synthesizes includes but are not limited to methane, methanol, ethyl alcohol, dimethyl ether, vapour
Oil, diesel oil and aviation kerosine.According to the product of synthesis, such as by taking methane as an example, the chemicals synthesis unit 6 includes water-gas
Converting means, methanation synthesizer, methane purifying device etc..By in Water gas shift/WGS device input from the hydrogen/
The hydrogen of oxygen storage element 4 and carbonaceous gas from the biomass economy unit 5, to synthesize water-gas, synthesis is obtained
Water-gas using methanation synthesizer synthesizing methane gaseous mixture, obtained methane mixed gas is using methane purifying device
It obtains the methane of high-purity and outside network is delivered to by pipeline.
Peaking generation unit 7, connect with the hydrogen oxygen storage element 4,6 pipeline of chemicals synthesis unit and with institute
The electrical connection of power regulation unit 2 is stated, for described in the peak regulation electric power input according to system power status peaking generation and by generation
Power regulation unit 2.The peaking generation unit 7 may include a variety of power generator, such as fuel cell or thermal power generator
Deng, generate electric power 701 simultaneously be delivered to power regulation unit 2.
Preferably, the peaking generation unit 7 only starting when the power regulation unit 2 operates in peaking generation mode
Operation, the chemicals of the hydrogen or the chemicals synthesis unit 6 that use the hydrogen-oxygen storage element 4 are incited somebody to action for fuel power generation function
Peak regulation electric power 701 inputs the power regulation unit 2.
The control method of wind/light according to the present invention power generation complementary with biomass and chemicals energy-storage system includes
It generates electricity by way of merging two or more grid systems operational mode, surplus operation power mode abandons electricity operation mode and four kinds of peaking generation operational mode, wherein described
According to the power program exported from the wind/light generator unit 1 or artificially control takes above-mentioned four to power regulation unit 2
One of kind operational mode.
According to Changes in weather, wind/light power generation has uncertainty, and the electric power sometimes generated is very stable, sometimes generates
Electric power but fluctuate it is larger.If the electric power generated is very stable, external electrical network can be directly output to and generated electricity by way of merging two or more grid systems mode.When
When external electrical network electric power notch is larger, it is necessary to which peak regulation can run peaking generation mode, supplement other power generations.If generated
Electric power it is very stable, but measure too many, external electrical network is not received, and surplus power mode is just run, and shunts a part electricity for electric
Xie Shui.If wind/light power generation is unstable, fluctuation is too big, when power grid can not accommodate completely, exactly abandons electricity operation mode, electricity is all
For electrolysis water.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 and meeting power grid demand, according to this hair
The bright energy-storage system takes operational mode of generating electricity by way of merging two or more grid systems, wherein the power regulation unit 2, which receives, comes from the wind/light
It the electric power 103 of generator unit 1 and exports first electric power 201 and no longer exports second electric power 202 to external electrical network.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 but being insufficient for power grid demand, root
Peaking generation operational mode is taken according to the energy-storage system of the invention, wherein the power regulation unit 2 is received from described
Wind/light generator unit 1 electric power 103, the electric power 502 from the biomass economy unit 5 and/or come from the peaking generation
It the electric power 701 of unit 7 and exports first electric power 201 and no longer exports second electric power 202 to external electrical network.
Preferably, when stablizing from the wind/light generator unit 1 electric power 103 but exceeding power grid demand, according to this hair
The bright energy-storage system takes surplus operation power mode, wherein the power regulation unit 2, which receives, comes from the wind/light
The electric power 103 of generator unit 1 simultaneously exports first electric power 201 to external electrical network simultaneously and exports to the electrolysis water unit 3
Second electric power 202.
Preferably, when unstable from the wind/light generator unit 1 electric power 103, when can not be incorporated to external electrical network, root
It is taken according to the energy-storage system of the invention and abandons electricity operation mode, wherein the power regulation unit 2 receives from the wind/
The electric power 103 of light generator unit 1 simultaneously only exports second electric power 202 without defeated to external electrical network to the electrolysis water unit 3
First electric power 201 out.
The present invention is made below with reference to embodiment and further being illustrated, but the present invention is not limited to these implementations
Example.
Embodiment 1:
A kind of power generation that wind/light is complementary with biomass and chemicals energy-storage system, wherein biomass economy mode is using rich
Gasification, chemicals synthesis unit product is methane, and power regulation cell operation mode is to abandon electricity operation mode, peaking generation list
Member 7 does not work (not shown), and specific system flow is as shown in Fig. 2, be described below:
(1) wind energy 101 and luminous energy 102 are by the generation wind/photoelectromotive force 103 of wind light generation unit 1, and then input electric power regulates and controls
Unit 2.Abandon electricity operation mode under, 103 quality of wind/photoelectromotive force be unable to satisfy external electrical network requirement, wind/photoelectromotive force 103 all with
It abandons electric form and electrolysis water unit 3 is entered with the second electric power 202.
(2) in electrolysis water unit 3, the second electric power 202 is used for electrolysis water, generates oxygen and hydrogen 301, directly inputs hydrogen
Oxygen storage element 4 stores.Wherein, the oxygen 401 of storage enters biomass economy unit 5, and it is single that hydrogen 402 enters chemicals synthesis
Member 6.
(3) 5 in biomass economy unit, biomass 501 and oxygen 401 input oxygen-rich gasification device 504, carry out oxygen-enriched
Gasification reaction, after synthesizing air purifying apparatus 505, pure 506 (main component CO, H of synthesis gas2、CH4、CO2) entranceization
Product synthesis unit 6.
(4) in chemicals synthesis unit 6, synthesis gas 506 is adjusted after mixing with hydrogen 402 through Water gas shift/WGS device 602
Hydrogen-carbon ratio finally obtains pure methane 605 then through methane synthesis device 603 and methane purifying device 604, and input is external
Pipe network is utilized.
Through above system process, realizes from scene and abandon the conversion of electricity to methane, i.e. chemicals energy storage.
According to the system flow that embodiment 1 is proposed, preferably abandoning electric scale is 10MW, and electrolysis water efficiency is 70%, biology
Matter is poplar bits, system power dissipation 106.6kW/MWhLHVWhen SNG, the results are shown in Table 1 for system performance calculation.
After can be seen that the system flow proposed using the present embodiment by the calculated result of table 1, tradition P2G is compared
The exergy efficiencyX of energy-storage system, this system gets a promotion.And all renewable energy used in this system, not being related to
The stone energy can satisfy the demand that future source of energy system uses 100% renewable energy.
Table 1: 1 system performance calculation result of embodiment
| Energy | Fire is used | |
| Input/MW | 27.42 | 29.86 |
| Output/MW | 13.52 | 16.40 |
| System effectiveness/% | 49.30 | 54.91 |
Embodiment 2:
The power generation complementary with biomass of a kind of scene and chemicals energy-storage system, wherein biomass economy mode is using rich
Oxygen combustion power generation, chemicals synthesis unit product are methanol, and power regulation unit operational mode is surplus electric power hydrogen-producing mode, are adjusted
Peak generator unit 7 does not work (not shown), and flow diagram is as shown in figure 3, specific as follows:
(1) wind energy 101 and luminous energy 102 are by the generation wind/photoelectromotive force 103 of wind light generation unit 1, and then input electric power regulates and controls
Unit 2.Under surplus operation power mode, wind/light generated energy is higher, and a portion is output to outside by the first electric power 201
Power grid, more than the surplus electric power of external electrical network demand by abandon it is electric in the form of with the second electric power 202 enter electrolysis water unit 3.
(2) in electrolysis water unit 3, the second electric power 202 is used for electrolysis water, generates oxygen and hydrogen 301, directly inputs hydrogen
Oxygen storage element 4 stores.Wherein, the oxygen 401 of storage enters biomass economy unit 5, and it is single that hydrogen 402 enters chemicals synthesis
Member 6.
(3) 5 in biomass economy unit, biomass 501 and oxygen 401 enter oxygen-enriched burning device 507, carry out oxygen-enriched
It burns and passes through steam electric power generator 508 and generate electricity, the biomass electric power 502 of generation inputs the power regulation unit 2, oxygen-enriched combustion
(the main component CO of flue gas 509 after burning2And H2O the chemicals synthesis unit 6) is inputted.
(4) in chemicals synthesis unit 6, oxygen-enriched combusting flue gas 509 is filled after mixing with hydrogen 402 through Reversed Water-gas Shift
606 adjustment hydrogen-carbon ratios are set, then through 608 technique of methanol synthesizer 607 and methanol purification device, finally obtain pure methanol
609, input outside network is utilized.
Claims (8)
1. a kind of power generation that wind/light is complementary with biomass and chemicals energy-storage system, the energy-storage system include:
Wind/light generator unit, for generating electric power by wind/light power generation；
Power regulation unit, the power regulation unit are electrically connected with the wind light generation unit and with external electrical network respectively, are used
In control electric power output；
Electrolysis water unit is electrically connected with the power regulation unit, receives the electric power from the power regulation unit 2, is used
Hydrogen and oxygen are generated in electrolysis water；
Hydrogen oxygen storage element is connect with the electrolysis water unit pipeline, is electrolysed for being stored in the electrolysis water unit 3
The hydrogen and oxygen that water generates；
Biomass economy unit is connect with the hydrogen oxygen storage element pipeline, single from hydrogen oxygen storage for receiving
The oxygen of member, the physical-chemical reaction for biomass；
Chemicals synthesis unit connects with the hydrogen oxygen storage element, the biomass economy unit and outside network pipeline
It connects, for receiving respectively from the hydrogen of the hydrogen oxygen storage element 4 and the carbon containing gas from the biomass economy unit
Body, synthesis of chemicals simultaneously export the chemicals of synthesis to outside network.
2. energy-storage system according to claim 1, which is characterized in that the energy-storage system further include:
Peaking generation unit, connect with the hydrogen oxygen storage element, chemicals synthesis unit pipeline and with the electric power tune
Unit electrical connection is controlled, for power regulation list described in the peak regulation electric power input according to system power status peaking generation and by generation
Member.
3. energy-storage system according to claim 1, which is characterized in that the biomass economy unit can be with the electric power
Regulate and control unit electrical connection, power regulation unit 2 described in the electric power input for will be generated as the biomass economy unit；Or
It is not connect with the power regulation unit.
4. energy-storage system according to claim 1, which is characterized in that the hydrogen oxygen storage element 4 includes hydrogen storage tank
And oxygen storage tank.
5. energy-storage system according to claim 1, which is characterized in that the biomass economy unit includes but are not limited to
Oxygen-enriched combusting and oxygen-rich gasification device；
Preferably, the biomass economy unit further includes power generator, and the power generator is used for the oxygen-enriched combusting mistake
The energy of journey is converted into power Transmission to the power regulation unit.
6. energy-storage system according to claim 1, which is characterized in that the product of chemicals synthesis unit synthesis includes
But it is not limited only to methane, methanol, ethyl alcohol, dimethyl ether, gasoline, diesel oil and aviation kerosine.
7. energy-storage system according to claim 1, which is characterized in that the peaking generation unit is only in the power regulation
Starting operation when unit operates in peaking generation mode is synthesized single using the hydrogen of the hydrogen-oxygen storage element or the chemicals
The chemicals of member is fuel power generation function, and by power regulation unit described in peak regulation electric power input.
8. a kind of according to claim 1 to the control method of energy-storage system described in any one of 7, the control method includes simultaneously
Net generating operating mode, surplus operation power mode abandon electricity operation mode and four kinds of peaking generation operational mode, wherein the electricity
Power regulation unit, which according to the power program exported from the wind/light generator unit or artificially controls, takes above-mentioned four kinds of fortune
One of row mode；
Preferably, when from the wind/light generator unit electrical power stabilization and when meeting power grid demand, the energy-storage system is taken
It generates electricity by way of merging two or more grid systems operational mode, wherein the power regulation unit is received from the wind/light generator unit electric power and output
First electric power no longer exports second electric power to external electrical network；
Preferably, when from the wind/light generator unit electrical power stabilization but when being insufficient for power grid demand, according to the present invention
The energy-storage system take peaking generation operational mode, wherein the power regulation unit is received from the wind/light power generation
The electric power of unit, the electric power from the biomass economy unit and/or the electric power from the peaking generation unit and defeated
First electric power no longer exports second electric power to external electrical network out；
Preferably, when from the wind/light generator unit electrical power stabilization but exceed power grid demand when, it is according to the present invention
Energy-storage system takes surplus operation power mode, wherein the power regulation unit is received from the wind/light generator unit
Electric power simultaneously exports first electric power to external electrical network simultaneously and exports second electric power to the electrolysis water unit；
Preferably, when from the wind/light generator unit unstable power, when can not be incorporated to external electrical network, according to the present invention
The energy-storage system take and abandon electricity operation mode, wherein the power regulation unit, which receives, comes from the wind/light generator unit
Electric power and only export second electric power without exporting first electric power to external electrical network to the electrolysis water unit.
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| CN113497460A (en) * | 2021-09-08 | 2021-10-12 | 西南交通大学 | Distributed power generation system connected to traction substation and control method |
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