CN1543686A - Zero/low discharge and co-production type energy supply station - Google Patents
Zero/low discharge and co-production type energy supply station Download PDFInfo
- Publication number
- CN1543686A CN1543686A CNA018235433A CN01823543A CN1543686A CN 1543686 A CN1543686 A CN 1543686A CN A018235433 A CNA018235433 A CN A018235433A CN 01823543 A CN01823543 A CN 01823543A CN 1543686 A CN1543686 A CN 1543686A
- Authority
- CN
- China
- Prior art keywords
- hydrogen
- fuel
- fuel cell
- energy supply
- supply station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 142
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- 238000000926 separation method Methods 0.000 claims description 21
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
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- 238000000429 assembly Methods 0.000 description 3
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- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
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- 230000002045 lasting effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
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Classifications
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- H—ELECTRICITY
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- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
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- C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
- C01B3/48—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents followed by reaction of water vapour with carbon monoxide
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
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- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
- C01B2203/84—Energy production
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
- C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
- C01B2203/86—Carbon dioxide sequestration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/012—Hydrogen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/03—Mixtures
- F17C2221/032—Hydrocarbons
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/06—Fluid distribution
- F17C2265/065—Fluid distribution for refuelling vehicle fuel tanks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0134—Applications for fluid transport or storage placed above the ground
- F17C2270/0139—Fuel stations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0184—Fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
- H01M2008/1293—Fuel cells with solid oxide electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
- H01M8/04156—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying with product water removal
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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
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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
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- 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
- Y02E60/32—Hydrogen storage
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The trend in personal and light commercial transportation vehicle choices is heading toward electric or fuel cell vehicles capable of zero emission. Their demand for electricity to re-charge batteries or hydrogen to operate fuel cells can best be met by onsite production of electricity and hydrogen from conventional transportion fuel by an on-site energy supply system employing a conversion device. This approach can result in minimum changes in the present day infrastructure of the automobile and truck service station industry and can avoid any disturbances to the normal operation of the electric power industry. The onsite hydrogen/electricity hybrid conversion device is a reformer and/or a fuel cell. The output of the system can be varied to either meet the demand of hydrogen fuel for cell vehicles or to provide electricity for charging batteries used on the electrical vehicles. The onsite distributed energy supply system utilizing a high temperature solid oxide fuel cell system for electric generation and an integral steam reforming system for hydrogen production are the most desirable approaches. One such energy supply system allows the total CO2 capture for sequestration, while concomitantly providing for high system efficiency and full system utilization. The CO2 collection feature promotes the commercial realization of zero/low emission energy supply for onsite installations.
Description
Technical field and background technology
The present invention relates to energy supply system, particularly relate to a kind of use energy supply station production and to the user for example vehicle carry the energy supply system of hydrogen and/or electric power.
Energy supply station is known to existing.Traditional energy supply station is a kind of independently website, and it can be configured to provide consumable fuel, for example hydrocarbon fuel or hydrogen.The another kind of selection is that this website can be configured to generating.A shortcoming of the website of these types is that they only provide the simple function service, or is transfer the fuel, or is generating.In addition, they can not reduce the total amount of discharging along fuel and power supply chain in environment.
In addition, with tradition based on the energy system of burning and website such as internal combustion engine or any at the scene the relevant environment with central station and political paid close attention to be rising another kind is optionally cleaned the interest of the energy system of (as: green) type.Thus, there is a kind of demand in the high performance energy supply station to relative cleaning.Particularly, a kind of modified model low emission website that uses the chemical converter of one or more types will be represented a major progress in this field.In addition, a kind of can to the user for example vehicle carry the low emission energy supply station of hydrogen fuel and/or electric power also will represent a major progress in this field.
Summary of the invention
Use a kind of mixed type reformer/fuel cell system that is used to set up zero discharge/low emission service station according to website of the present invention, utilize existing fuel to carry infrastructure and can not increase the weight of the burden of existing power infrastructures, removed simultaneously or significantly reduced the CO that the greenhouse gives off
2Component keeps environmental balance.The fuel that tradition is carried for example gasoline, diesel oil, natural gas, methyl alcohol or biogas is converted to hydrogen and electric power, is used for zero discharge/low emission vehicle for example fuel-cell vehicle, battery power vehicle or mixed type power car.The electric power of the surplus that is produced by this website can utilize on the spot, nearby utilizes or be assigned in the power network.
This mixed type reformer/fuel cell system can be a two-in-one system that not only hydrogen was provided but also electric power is provided, and perhaps this mixed type reformer/fuel cell system can be configured to provide hydrogen or electric power.Owing to can be configured to primary clustering between shared reformer subsystem and fuel cell subsystem, the layout of this two-in-one system is favourable and the layout of this two-in-one system can provide diversified energy service in that basic load is in service.This just provides validity, cost effectiveness and the versatility of system's operation.The main noticeable part of this system is its environmental advantage-SO
x, NO
xOr CO
2Zero discharge, add the economy of system's capital and operation.
This hybrid system can be used a chemical converter.This chemical converter can be used as a reformer operation.When moving as steam reformer, the used heat energy of the steam reforming reaction of heat absorption is provided by radiation and/or convection type by external heat source.Produced the stream of hydrogen, carbon dioxide and steam by the transfer reaction of the molecular composition thing of hydrogen, carbon monoxide and steam.Make vapor condensation, can from transfer reaction stream, extract pure hydrogen and can collect carbon dioxide as isolating.By using energy-producing zero discharge/low emission website, this has just solved the global problem that warms.
When chemical converter as a kind of partial oxidation or automatically during the operation of heat type reformer, oxidation takes place in the sub-fraction natural gas under the situation that has combustion catalyst and reforming catalyst to exist, produce the mixture of hydrogen, carbon dioxide, steam and nitrogen.Owing to exist to come the spontaneous combustion heating to require the airborne nitrogen dilution agent of using, CO
2Separation and collect no longer easy.
Chemical converter also can be used as fuel cell and turns round.When turning round,, produce electric power along with fuel supply for example hydrogen or natural gas as fuel cell.When using high-temperature fuel cell, fuel stream is not converted to CO when having the diluting effect of airborne nitrogen
2And steam.After adopting condensation technology to isolate steam, carbon dioxide can be collected, separates or isolate removal at an easy rate.
The present invention constitutes a kind of zero discharge website that uses steam reformer and high-temperature fuel cell that mixes, and each self-capacity of reformer and fuel cell depends on the heat energy coupling of the two, wherein reforming reaction be heat absorption and fuel cell reaction be heat release.The result is, compares with the chemistry coupling demand of fuel cell, and this reformer has bigger capacity.Thus, the fuel of excessive reformation can be used to other website assembly, maybe can be transported to vehicle.Steam reformation combines with the high-temperature fuel cell operation and also is easy to CO
2Collection.
The present invention also chemical converter with running efficiency of system that is configured to improve whole websites and versatility is relevant.This chemical converter can be disposed in and be used for collecting the hot waste gas that converter produces so that the low-level device (bottoming device) that the is transported to common production container tank of gas turbine for example.This low-level device is obtained energy from the used heat that converter produces, improved the efficient of energy system.Low-level device also can comprise for example a kind of heating, ventilation or cooling (HVAC) system.
The present invention has adapted to the current needs to the cleaning energy production, simultaneous adaptation for providing the zero discharge/low emission vehicle of power to produce the needs of employed energy by one of battery, hydrogen fuel cell or the two combination.Before the present invention, can in remote center's production facility, produce hydrogen with existing automobile or the on-the-spot reforming process that uses of truck services sites.Hydrogen can be used as zero discharge/low emission vehicle is for example provided vehicle powered by hydrogen fuel cell fuel.Also can carry out the production that hydrogen is carried out in electrolysis by the electrification net.This power network also can be used for the battery charge of motor vehicle.Cause like this and expend too highly, and also can increase the weight of the burden of power infrastructures.In addition, the legacy system that is used to produce hydrogen can produce unwanted CO
2Discharging.CO at fuel production and place, power station
2The obtained benefit of use zero discharge/low emission vehicle has been offset in the lasting discharging of greenhouse gas.More than expend with corresponding discharging and by using the obtained saving of zero discharge/low emission vehicle to run counter to.
Traditional reforming process comprise that steam reformation, partial oxidation are reformed or automatic thermal reforming in, oxidation takes place having under the burning gases situation that for example air exists in the sub-fraction natural gas, utilizes thermal source to provide heat for the reforming process of heat absorption.Therefore, be discharged into the mixture that emission in the atmosphere always contains carbon dioxide, steam and nitrogen.Carbon dioxide separated with nitrogen be not to be easy to, can not isolate economically thus.The above is real for the existing traditional power plant that uses coal, natural gas or oil.
Flow to the user for example hydrogen of vehicle and/or the energy supply station of electric power subsequently by being provided for hydrocarbon fuel changed into, the present invention has realized aforementioned target and has had some advantages.This website comprises that one is used for handling separation level, one that fuel is used for the chemical converter that forms carbonated output medium, one isolating chemical constituent from output medium and separates the collecting part that level forms fluid circuit, be used to collect carbon dioxide, with a vehicle interface that is used to be connected vehicle.This vehicle interface allows electric power and/or hydrogen to exchange between vehicle and website.This website also can be configured to hydrogen is delivered to another device, or with energy delivery in power network.
According to an aspect of the present invention, this energy supply station comprises that one is used for before fuel is imported chemical converter fuel being carried out pretreated fuel treatment element.This system also can comprise a vaporizer that is used for heating and gasifying liquid reformation agent before agent that liquid is reformed imports chemical converter, and/or comprises that one is used for heating before fuel is imported chemical converter and the evaporator of evaporated fuel.This vaporizer can comprise a steam boiler or a heat recovery steam generator.
According to a further aspect in the invention, this energy supply system can comprise that one is used for gasifying reforming agent and evaporated fuel, and/or is used for the blender of fuel combination and reformation agent.
According to a further aspect in the invention, this energy supply system can further comprise second heater stages that is arranged between vaporizer and the blender, is used for heated reformate agent before the reformation agent is imported blender.
According to of the present invention in addition on the other hand, this chemical converter can comprise a reformer that is used under the situation that has the reformation agent to exist fuel reforming and is used to produce the output medium that contains hydrogen, water and carbon monoxide.This reformer converts the fuel into hydrogen and as the carbon monoxide of the product of the intermediate reaction that takes place therebetween.This reformation agent can comprise air, water or steam.This separation level in this layout can be suitable for separating separately hydrogen, water and the carbon dioxide in the output medium.
According to of the present invention in addition on the other hand, this energy supply station comprises that further one is used in the processing level that the reformation agent is imported reformer pre-treatment reformation agent.This processing level can comprise a deionizater or a vaporizer.This deionizater uses the deionization resin or adopts reverse osmosis technology that the reformation agent is handled.
According to of the present invention in addition on the other hand, when chemical converter was a reformer, vehicle interface was configured to carry hydrogen to vehicle.When chemical converter was a fuel cell, vehicle interface was configured to transmit electric power to vehicle.
This energy supply station can comprise a generator in addition on the other hand according to of the present invention, and this generator can comprise a fuel cell or a Gas Turbine Modules.This generator can be connected with vehicle interface selectively, is used for transmitting electric power to vehicle.
According to of the present invention in addition on the other hand, this energy supply station can comprise that a desulfurizer that is used for removing desulfuration from the fuel or the output medium of input, one are used for carbon monoxide with output medium and become the low temperature of carbon dioxide and hydrogen and/or high temperature shift reactor and/or one to be used for the hydrogen processor that the hydrogen of output medium is handled with steam-reforming.
Description of drawings
By following explanation and in conjunction with the accompanying drawings aforementioned and other purpose, feature and advantage of the present invention are described in detail, wherein identical reference number is applicable to the same components in the different views.The following drawings has illustrated principle of the present invention:
Fig. 1 is the schematic diagram of instructing described low emission or zero discharge energy supply station according to the present invention;
Fig. 2 is the schematic block diagram of explanation technological process of reactant and emission in the low emission energy supply station; And
Fig. 3 is that explanation is at the schematic block diagram according to fluid in the low emission energy supply station of the present invention and energy stream.
Embodiment
The invention provides a kind of zero discharge/low emission energy supply station (ZES), hydrogen and/or electric power that it is suitable for that main production flows to thereafter or is used by zero emissions vehicle (ZEV), and are meanwhile eliminated or are reduced CO greatly
2, SO
xAnd NO
xDischarging.This kind approach utilizes existing energy industry infrastructure, and its work seldom or is not changed.Energy supply station 302 can be fit to comprise the assembly that energy system one or more and illustrated in figures 1 and 2 300 is relevant.
Fig. 1 show instruct according to the present invention described help environment (for example: low emission) energy supply system 300.In this used term zero discharge or the low emission meaning is to comprise that carbon emission (comprises CO, CO
2And C
xH
yDeng) than lack 5 0% in the carbon content of the hydrocarbon fuel the placing of this station or consumption, be preferably in below 25%, approaching or equal the energy supply station of 0% the best.System 300 as shown in the figure comprises zero discharge/low emission vehicle 304 and zero discharge/low emission energy supply station 302.This energy supply station can be having of any size and produces institute's energy requirement or the ability of hydrogen or the energy supply station of capacity.Term " vehicle " refers to various forms of transport or mode as used herein, includes, but are not limited to for example automobile, truck, bus, train, seagoing vessel, aircraft, spaceship, conveying device or the like.According to a preferred implementation, vehicle as shown in the figure is a kind of fuel cell of consumption hydrogen and/or motor-driven fuel-cell vehicle of rechargeable battery of using.U.S. Patent No. 5858568 and U.S. Patent No. 5332630 disclose the example of the vehicle that is applicable to purposes of the present invention, and its content is cited as a reference at this.Particularly, U.S. Patent No. 5858568 discloses the performance of the motor-driven fuel cell energy system that is connected with the external energy supply station.Conveying device can be any equipment that is configured to store or carry hydrogen or electric power.Zero discharge/low emission vehicle 304 as shown in the figure can comprise a vehicle inlet panel 306.This vehicle inlet panel 306 directly is connected zero discharge/low emission energy supply station 302 with vehicle 304.
Zero discharge as shown in the figure/low emission energy supply station 302 can comprise multiple assembly.According to an embodiment, this energy supply station comprises an energy supply station vehicle interface 308 that is suitable for being communicated with vehicle inlet panel 306.This vehicle interface can be any permission, can make or promote energy supply station to be connected with vehicle 304 to carry the hydrogen and/or the machinery of electric power, electric, dynamo-electric or chemical assembly at this.This vehicle interface 308 can connect an optional wattmeter 310 and/or an optional fuel quantity ga(u)ge 312 selectively.Fuel quantity exchange capacity between the fuel tank that fuel quantity ga(u)ge 312 is as shown in the figure measured in energy supply station 302 and vehicle 304.The electric weight exchange capacity that wattmeter 310 is as shown in the figure measured between energy supply station and vehicle 304.According to another optional embodiment, the electric power that energy supply station 302 produces can be used for battery 315 chargings or static purposes such as on-the-spot purposes, be used in abutting connection with the residential area or commercial facility by wattmeter 310 or other any suitable members, or is provided for local electrical network.
Cleaning energy supply station 302 as shown in the figure can further comprise a generator 314 that is connected with wattmeter 310.This generator can comprise any equipment that is suitable for produce power or electric power, can comprise fuel cell, gas turbine, steam turbine, IC generator, low-level device and similar devices for instance.Term " low-level device " refers to and comprises and can connect to receive any one any suitable member among energy, electric power, emission or the heat energy from another energy supply station assembly as used herein.Generator is configured to produce can be by the electric power of vehicle interface 308 to vehicle 304 supplies.Energy supply station 302 also can comprise a converter 327 that is used for transforming any electric power that produces at energy supply station.For example: if chemical converter is a fuel cell, this converter can be converted into alternating current with consequent direct current so.
This energy supply station 302 further comprises a chemical converter 316.This chemical converter 316 or be a reformer, or be a fuel cell, or a kind ofly use a plurality of mixed type systems that are used to provide the converter of the two function.This chemical converter realizes that with separating level 318 fluid is connected, and this separates level 318 and realizes that with carbon dioxide collecting device 320 fluid is connected successively.This gathering-device can be anyly to be suitable for collecting and/or the device or the equipment of storing carbon dioxide.This separation level 318 is applicable to from the output medium that is produced by chemical converter 316 or some other system assemblies removes one or more components.Chemical converter as shown in the figure also can be arranged with the heat control device 325 that is used for system start-up and carries out calorifics control during quiet rum and realize that calorifics are communicated with.Function according to chemical converter can be with the chemical converter location in order to receive water, air or fuel.This heat control device realizes that with fuels sources and air source fluid is connected.
According to a kind of execution mode, chemical converter 316 as shown in the figure can be an apparatus for reforming of fuel.This reformer is suitable for receiving hydrocarbon fuel and reformation agent 324 for example water, air, steam, oxygen or carbon dioxide.Those those of ordinary skill will recognize that the form that water can steam supplies with reformer.This reformer uses a kind of catalyst material to reform to simpler reactant to promote hydrocarbon fuel.For example: hydrocarbon fuel can be become to have H by catalytic reforming
2O, H
2, CO and CO
2The output medium of mixture.Reformer as shown in the figure under the situation that has the reformation agent to exist fuel reforming to produce purer fuel reserve relatively.U.S. Patent No. 5858314 discloses an example of the reformer that uses in the energy supply system 300 that is adapted at as shown in the figure, and its content is cited as a reference at this.According to a kind of execution mode,,, include traditional reaction bed and cylindrical shape reformer although those those of ordinary skill will recognize that the reformer that also can use other type can in system, use tabular compact reformer.Reforming process institute calorific requirement can be supplied with internally or for example supply with from the outside by heat control device 325, fuel cell or other equipment that generates heat by thermal source by fuel such as hydrocarbon fuel generation partial oxidation.Can be by radiation, conduction or to flowing to the reformer heat supplied.
When reformer moved as steam reformer, this was a kind of preferred mode of operation, and it receives the reactant gas mixtures that contains hydrocarbon fuel and steam.The heat energy of heat absorption steam reforming reaction is provided from the outside by radiation and/or convection current.Hydrogen in fuel stream is separated from heat medium.This separation level can comprise one or more levels that is suitable for removal from output medium, separation or isolated water, hydrogen and carbon dioxide individually.As after using condensation technology, also can from steam, extract hydrogen, and remaining carbon dioxide can be collected, isolates or be stored in the carbon dioxide collecting device 320 at removal or separate vapour from the reformer output medium by separating level 318.The fuel of the reformation that generates by reformer or the output of hydrogen can supply to vehicle 304 by vehicle interface 308.The another kind of selection be, hydrogen can be stored in the fuel storage device 322 in the energy supply station 302.This fuel storage device 322 can be any suitable storage assembly and can be shaped by metal or glass fibre, or made by the composite material of band polymer linner, for example the IV class TriShield basin produced of scientific ﹠ technical corporation of U.S. Quantum.
When carrying out above-mentioned steam reformation,, in the converter output medium, there is not the accessory substance of the nitrogen that is difficult to remove thus not with air and fuel mix.This point is opposite fully with partial oxidation or automatic thermal reforming reformer, and wherein the sub-fraction natural gas under the situation that has burning and reforming catalyst to exist oxidation takes place.Therefore, reformer produces the mixture of hydrogen, carbon dioxide, steam and nitrogen.
Those those of ordinary skill will be easy to recognize a processing unit as a deionizer or vaporizer, can be provided for before being directed to chemical converter 316 preliminary treatment is carried out in reformation agent 324.Can be according to the kind and/or the structure choice reformation agent processor of the kind or the chemical converter 316 of employed reformation agent.If the reformation agent is a water, this processor can use deionization resin device and reverse osmosis unit that the reformation agent is handled.
Separating level 318 can be any suitable level that is applicable to or is configured to separate one or more components from the output medium of chemical converter.This separation level can be configured to isolate hydrogen or carbon dioxide from output medium.According to a large amount of technology, include, but are not limited to chemistry or Physical Absorption, absorption, low temperature distillation method, high-pressure liquefaction, diaphragm process, enzyme and molecular sieve type isolation technics etc., this separation level can be configured to isolate hydrogen or carbon dioxide from output medium.One of them example is a technology of using enzyme in aqueous environment, and promptly it is with CO
2And H
2O changes into H
+And HCO
3 -Bicarbonate (HCO
3 -) have environmental safety, be suitable for controlled processing.
When the time spent of doing that chemical converter 316 plays reformer, the fuel of reforming can be stored in the fuel storage device 322 or storage device of vehicle 304.This storage device can comprise that suitable being suitable for stores or carry the storage medium of hydrogen.Storage medium also can refer to the state that mode that hydrogen is transferred or hydrogen are transferred in container in container.Can Compressed Gas state (H
2), solid-state (for example metal hydride), it is liquid that (for example the hydrogenated liquid thing includes NaBH
4, KBH
4And LiBH
4) or the form of liquid or freezing state (for example liquefying hydrogen) store or carry hydrogen.When hydrogen stores with liquid state or carries, can use any suitable chemical reaction, for example pass through NaBO
2With 4H
2React and generate NaBH
4And 2H
2O.Under the situation that has any suitable known catalysts to exist, the release of hydrogen occurs in the back reaction direction.Owing to can use the execution mode of existing gasoline storage or transport vehicles, so the aqueous solution is a kind of form that is particularly suitable for storing hydrogen.
The equipment that energy supply station 302 can also comprise the fuel that is used for further limiting fuel or reformed is desulfurizer, hydrogen transfer reactor, hydrogenous filter or be used for the hydrogen compressor of compressed hydrogen for example.Compressor reducer can be mechanical or electrochemical compressor reducer, for example phosphoric acid, alkalescence or proton exchange film device.
In operation process, hybrid energy supply station 302 can produce can be to the hydrogen and/or the electric power of vehicle 304 supplies.When chemical converter was a reformer, this energy supply station comprises supplied with to reformer that reformation agent such as air, water or the two all have and the device of fuel.The reformer output medium mainly contains hydrogen-rich gas.This output medium is then through separating level to isolate one or more components such as hydrogen or carbon dioxide.Hydrogen can be flowed to zero discharge/low emission vehicle 304 by vehicle interface 308 subsequently.Fuel quantity ga(u)ge 312 can be measured the fuel quantity that supplies to vehicle 304.Hydrogen fuel also can be provided to generator 314, and it produces electric power and emission successively.This electric power also can pass through vehicle interface 308 supply vehicles 304.
Chemical converter 316 also can be used as a kind of electrochemical appliance such as fuel cell turns round.When turning round as fuel cell, this device consume fuel and oxidant are to produce electric power and high temperature output medium.When using Solid Oxide Fuel Cell, this fuel stream output medium comprises carbon dioxide and not by the steam of nitrogen dilution.After for example adopting condensation technology to remove devaporation from output medium through separation level 318, remaining carbon dioxide can be collected and be stored in the gathering-device 320.In addition, this high temperature output medium also can be transported to generator, produces additional electric power successively.This electric power can pass through vehicle interface 306 and/or 308 supply vehicles 304.The term fuel cell means and comprises any suitable fuel cell as used herein, the tabular fuel cell of in U.S. Patent No. 5501781 and No.4853100, describing for example, its content is cited as a reference at this, or rectangle, square or tubular fuel cell.This fuel cell can be a kind of among molten carbonate fuel cell, phosphoric acid fuel cell, alkaline fuel cell or the Proton Exchange Membrane Fuel Cells, preferably Solid Oxide Fuel Cell.
According to another kind of execution mode, chemical converter can be disposed in and be used for collecting that converter produces is used to be transported to for example container tank of the hot waste gas of gas turbine of generator or low-level device.In the U.S. Patent No. 5501781 disclosure and description a kind of suitable container that is applicable to the chemical converter 316 of packing into, its content is cited as a reference at this.This low-level device is obtained energy from the used heat that converter produces, improved the efficient of energy system.Low-level device also can comprise for example a kind of heating, ventilation or cooling (HVAC) system.
Those those of ordinary skill will be easy to recognize chemical converter, heat control device, the generator that can use any right quantity and separate level.According to a preferred embodiment, energy supply station 302 comprises one or more fuel cells and one or more reformer that is used to produce hydrogen and electric power.
A considerable advantage of the present invention is that energy supply station can hybrid mode turn round, and produces thus and supplies with hydrogen and electric power to zero discharge/low emission vehicle 304.According to a kind of execution mode, the fuel quantity of the reformation that reformer produces is greater than the needed fuel quantity of fuel cell.Therefore, the fuel of excessive reformation can be used for the production of hydrogen.
Be that according to another considerable advantage of energy supply station 302 of the present invention its promotes or promoted the use of the electric or fuel-cell vehicle of zero discharge/low emission.Can supply with hydrogen and electric power to vehicle 304 by transforming traditional transfer the fuel on the spot according to this energy supply station 302 of the present invention.This approach allows this energy supply station to use or connects modern infrastructure, for example supply of electric power net, supply of fuel truck and pipeline.In addition, on the one hand, the energy supply system that the scene of energy supply station 302 is distributed utilizes the high-temperature fuel cell system generating and utilizes steam reforming system to produce hydrogen.Because it is relatively easy to have higher system efficient, high system availability and carbon dioxide sequestration, so these systems are desirable approach.By carbon dioxide sequestration is simplified, energy supply station has promoted the formation and the use of zero discharge/low emission device.
Fig. 2 is the technological process of described reactant and output medium is instructed in explanation according to the present invention a schematic block diagram.The same components that identical reference number is used to indicate.System as shown in the figure or energy supply station 302 are to illustrate simply with the running and the correlation of work to some assembly of aforementioned system.Though a plurality of not at the same level and assemblies shown in the figure, system can have the assembly and the layout of arbitrarily selected quantity thus.Layout as shown in the figure only is illustrative, and should not be interpreted as restrictive.Below no longer repeat the explanation that carry out not at the same level and assembly the front.As shown in the figure, system has used two chemical converter, i.e. a fuel cell 112 and a reformer 110.
Reformation agent 88 is directed into as water and handles level 92, and is transported to vaporizer 94 places subsequently.This vaporizer is with the water heating and convert it into steam, and steam is transported in the blender 176 subsequently.This vaporizer can be steam boiler or heat recovery steam generator.According to an alternative, a secondary heater can be positioned between vaporizer 94 and the blender 176, further the gas reforming agent of discharging vaporizer before being introduced into blender 176 is heated.Fuel is imported processing level 96, and then it is imported in blender 176.Before being imported into reformer 110, reformation agent and fuel mix in blender 176.If use liquid fuel and use the thermal source of steam as this process, this blender is also as evaporator.This evaporator heating and evaporated fuel.Reformer 110 is preferably under the situation that reformation agent and catalyst exist fuel is reformed, and generates a kind of H that has
2O, H
2, CO, CO
2With one or more the output medium among the S.Other component in hydrogen and/or the output medium can be directed in the fuel cell 112.The fuel that fuel cell will be reformed with electrochemical means under the situation that has oxidant to exist changes into electric power, is accompanied by the generation output medium or mainly by H
2O and CO
2The emission of forming.Fuel cell output medium 75 can be to be transported to for example high-temperature medium in gas turbine 74 or the HVAC level of subordinate equipment.This subordinate equipment can produce for example nitrogen of emission, and electric power can be transported to other place or user.On the contrary, this subordinate equipment can receive for example air of input media, and produces the output stream that imports to fuel cell 112.This output stream can be a kind of medium that is compressed by subordinate equipment, or a kind of output effluent that is suitable for the fuel cell processing.Can come out by the power extraction that fuel cell produces therefrom, and use it for required purpose.For example, electric power can use or use, supply with electrical network 402 on the spot nearby and is used for the normal electricity purposes or can be used for as in employed batteries 404 chargings of motor vehicle 304.
So the output medium of reformer 110 can be transported to second and handle level 406.This processing level 406 can be the processing level that fuel was handled or limited in any suitable being used to, and its example comprises desulfurizer.This desulfurizer can use ZnO to absorb from output medium or remove sulphur.Handle level 412 so treated output medium can be imported another, for example it can be included in H
2Under the situation that O exists CO changed into and be mixed with CO
2H
2High temperature and low temperature shift reactor.The high temperature shift reactor can include the Fe with output medium generation chemical reaction
2O
3/ Cr
2O
3The reaction bed of material, and this low-temp reaction bed can include the reaction bed with the CuO/ZnO material of output medium generation chemical reaction.In position can provide heat exchanger, with the temperature of guaranteeing in processing step, to reach suitable.
The output medium of zero discharge/low emission mixed type supply station contains usually can be imported into the H that separates level
2And CO
2For example, the separation level 318 among Fig. 1 is with CO
2Or H
2From output medium, separate.According to a kind of execution mode, this separation level is separated hydrogen according to any above-mentioned known technology from output medium.Left in output medium have hydrogen-rich gas and not by excessive unwanted N
2The CO of dilution
2Can be isolated at an easy rate and be stored in the gathering-device 320.Because CO
2Be not discharged into or diffuse in the environment, just formed zero discharge/low emission energy supply station thus.Adopt the reformation of above steam assisted and can oversimplify CO by the technology of high-temperature fuel cell acquisition used heat
2Separation.The N that helps environment in the residual oxidizing agent stream of fuel cell operation
2By subordinate equipment for example gas turbine 74, HVAC level, and be discharged in the surrounding environment separately.
Invent described Zero discharging system and mix and use above steam reformer and high-temperature fuel cell, its each self-capacity to depend on the two heat energy coupling so that reforming reaction be heat absorption and fuel cell reaction be heat release.The result is, compares with the chemistry coupling demand of fuel cell, and this reformer has bigger capacity.Thus, the fuel of excessive reformation can be used to the production of hydrogen.Steam reformation combines to CO with the high-temperature fuel cell operation
2Collection fully consider to some extent.In addition, system of the present invention has been issued to the balance of total system energy in the situation of not carrying out the additional combustion heating.Help in the system of environment at this, the ratio of electric power of producing and hydrogen fuel energy is about 2: 1 altogether.The electrical efficiency that system 300 has be about 45% and the chemical production rate be about 25%, the efficient that causes system to produce altogether is about 70%.The electric power of necessity so just can be provided for the electric vehicle battery charging, for the operation of energy supply station at energy supply station; For commercial electric power demand on every side provides electric power; Simultaneously also can, fuel-cell vehicle provide hydrogen for refueling at energy supply station.This system can move exceeding under the condition of design specification, wherein generates sub-fraction hydroforming product and causes system effectiveness less than optimum value.On the other hand, the condition that exceeds design specification of energy supply station 302 can be used for producing a certain amount of electric power, and it requires to increase the additional combustion amount to support reforming process, produces the CO of relatively low grade thus
2Discharging.
Another considerable advantage according to energy supply station 302 of the present invention is that it has been issued to the balance of total system energy in the situation that does not require additional fuel and air burning component.This energy supply station can shared reformer system and the two assembly of fuel cell system, and can provide diversified energy service in that basic load is in service.The attraction of this system is the environmental advantage that it is had, for example zero discharge in economical energy supply station is arranged.
Isolated hydrogen also can be handled and/or store by the processing level 416 among Fig. 2 from the output medium of chemical converter.The hydrogen of collecting can be used for consuming on the spot or does not consume at the scene.For example, hydrogen can be provided for the fuel-cell vehicle that has the hydrogen storage tank, or hydrogen can be used to produce additional energy and electric power by the generator 314 at scene.
Fig. 3 shows another embodiment that instructs described energy supply station 302 according to the present invention, shows the energy and the fluid stream that take place therein simultaneously.Identical reference number is used to indicate same parts.Though a plurality of not at the same level and assemblies shown in the figure, this energy supply station can have the assembly and the layout of arbitrarily selected quantity thus.Layout as shown in the figure only is illustrative, and should not be interpreted as restrictive.Below no longer repeat the explanation that carry out not at the same level and assembly the front.Energy supply station 302 as shown in the figure shows a high efficiency co-production type system, and it comprises settling and is used for will importing the steam reformer that fuel reforming becomes the output medium of rich hydrogen under the situation that reformation agent and catalyst existence are arranged.The part of the fuel of reforming can be imported into fuel cell 112, with oxidant reactant such as air generation electrochemical reaction, generates output emission and electric power 428.This reformer can utilize fuel battery waste heat to carry out reforming reaction as process heat 422.The remainder of rich hydrogen output medium 424 can be used for other purpose.
The meaning at this used term hydrogen is fluid or the gas that comprises Fu Qing, and fluid, gas or the gaseous species that can comprise any amount of other kind, for example includes CO
2, CO, H
2O and unprocessed or without the residual gas of the fuel of reforming.
This shows, the present invention has realized the above-mentioned target that clearly demonstrates effectively in aforementioned specification, owing to can carry out some change to above structure not departing under the scope of the invention condition, this means above specification or shown in the full content that comprises in the accompanying drawing can be understood that illustrative, and nonrestrictive.
Also can be regarded as following claim and be used to cover the present invention's general features described herein and specific characteristic, with the whole statements that fall within the scope of the invention relevant therebetween with language issues.
Although invention has been described, desired new with need theing contents are as follows of patent protection:
Claims (79)
1, a kind of be used for hydrocarbon fuel changed into be used for flowing to subsequently the hydrogen of vehicle and at least a energy supply station of electric power, described station comprises:
One or morely be positioned to receive fuel and be used for fuel is handled the chemical converter that contains the output medium of carbon dioxide with generation,
A separation level that is used for isolating chemical constituent from output medium,
One with separate the collecting part that level forms fluid circuit, be used to collect carbon dioxide, and
A vehicle interface that is connected with vehicle.
2, a kind of co-production type energy supply station that is used for producing hydrogen and electric power from hydrocarbon fuel, described station comprises:
A plurality ofly be positioned to receive hydrocarbon fuel and be used for fuel is handled the chemical converter that contains the output medium of carbon dioxide with generation, described chemical converter also produces hydrogen and electric power,
A separation level that is used for isolating chemical constituent from output medium, and
One with separate level and form the reservoir part that is used for before distribution, storing hydrogen of fluid circuit.
3, energy supply station according to claim 1 and 2 is characterized in that, hydrocarbon fuel comprises a kind of among natural gas, coal gas, propane, naphtha, gasoline, diesel oil, methyl alcohol and the biogas.
4, energy supply station according to claim 1 and 2 is characterized in that, it comprises that also one is used for before fuel is imported at least one chemical converter fuel being carried out pretreated fuel treatment element.
5, energy supply station according to claim 1 and 2 is characterized in that, it also comprises one or more vaporizers that are used for before agent that liquid is reformed imports at least one chemical converter heating and gasifying liquid reformation agent.
6, energy supply station according to claim 1 and 2 is characterized in that, it also comprises one or more evaporators that are used for before fuel is imported at least one chemical converter heating and evaporated fuel.
7, energy supply station according to claim 5 is characterized in that, described vaporizer comprises a steam boiler or a heat recovery steam generator.
8, energy supply station according to claim 5, it is characterized in that, it comprises that also one forms fluid circuit with vaporizer and is applicable to the reformation agent that receives vaporization and the blender of fuel, and described blender is applicable to evaporated fuel and mixing reforming agent and fuel.
9, energy supply station according to claim 8 is characterized in that, it also comprises second heater stages that is arranged between vaporizer and the blender, is used for heated reformate agent before the reformation agent is imported blender.
10, energy supply station according to claim 1 and 2, it is characterized in that, this chemical converter comprises that a reformer and output medium comprise hydrogen, water and carbon dioxide, and wherein, this separation level is suitable for isolating separately at least a in hydrogen, water and the carbon dioxide from output medium.
11, energy supply station according to claim 10 is characterized in that, it also comprises the device that is used for supplying with to reformer the reformation agent, and this reformer is adapted to transform fuel into hydrogen and as the carbon monoxide of the product of the intermediate reaction that wherein takes place.
12, energy supply station according to claim 11 is characterized in that, this reformation agent is a kind of in air, water and the steam.
13, energy supply station according to claim 10 is characterized in that, it comprises that also one is used in the processing level that the reformation agent is imported reformer pre-treatment reformation agent.
14, energy supply station according to claim 13 is characterized in that, this processing level comprises a deionizater or a vaporizer.
15, energy supply station according to claim 14 is characterized in that, this deionizater utilizes deionization resin and mode of reverse osmosis, and one of them is handled the reformation agent.
16, energy supply station according to claim 1 is characterized in that, this chemical converter comprises that at least one reformer and output medium comprise hydrogen, water and carbon dioxide, and wherein, vehicle interface is configured to carry hydrogen to vehicle.
17, energy supply station according to claim 1 and 2 is characterized in that, described chemical converter comprises at least one fuel cell, and wherein, described fuel cell produces electric power.
18, energy supply station according to claim 1 is characterized in that, described chemical converter comprises at least one fuel cell, and wherein, described fuel cell produces electric power, and wherein, described vehicle interface is suitable for Change Power between vehicle and described station.
According to claim 17 described energy supply stations, it is characterized in that 19, this fuel cell is a kind of among Solid Oxide Fuel Cell, molten carbonate fuel cell, phosphoric acid fuel cell, alkaline fuel cell and the Proton Exchange Membrane Fuel Cells.
20, energy supply station according to claim 1 and 2 is characterized in that, it also comprises a generator that is used to produce electric power.
21, energy supply station according to claim 20 is characterized in that, this generator comprises at least a among fuel cell, gas turbine, internal combustion engine and the Stirling engine assembly.
22, energy supply station according to claim 20 is characterized in that, described generator comprises a fuel cell that is positioned to receive the hydrogen output of reformer, so that with electrochemical means hydrogen is changed into electric energy under the situation that has oxidant to exist.
23, energy supply station according to claim 20, it is characterized in that, this generator is a fuel cell, and described fuel cell is a kind of among Solid Oxide Fuel Cell, molten carbonate fuel cell, phosphoric acid fuel cell, alkaline fuel cell and the Proton Exchange Membrane Fuel Cells.
24, energy supply station according to claim 20 is characterized in that, described generator is connected with vehicle interface selectively, is used for transmitting electric power to vehicle.
25, energy supply station according to claim 1 and 2 is characterized in that, it comprises that also a direct current that is used for being produced by described chemical converter is converted into the converter of alternating current.
26, energy supply station according to claim 1 and 2 is characterized in that, it also comprises one or more with lower device:
Be used for removing the desulfurizer of desulfuration from fuel or output medium,
At least one is used for the carbon monoxide of output medium is become with steam-reforming the low temperature and the high temperature shift reactor of carbon dioxide and hydrogen, and
Be used for hydrogen processor that the hydrogen of output medium is handled.
27, energy supply station according to claim 26 is characterized in that, this hydrogen processor comprises a kind of in mechanical compress device and the electrochemical compression device.
28, energy supply station according to claim 27 is characterized in that, this electrochemical compression device comprises a kind of in phosphoric acid, alkalescence and the proton exchange film device.
29, energy supply station according to claim 1 and 2, it is characterized in that, the described output medium of described chemical converter comprises steam, wherein, the described level of separating comprises and is used for device that steam is condensed from output medium, hydrogen and carbon dioxide can be separated from output medium thus.
30, energy supply station according to claim 1 and 2 is characterized in that, described separation level is separated hydrogen from output medium.
31, energy supply station according to claim 30 is characterized in that, described separation level is by Physical Absorption, absorption, low temperature distillation method, high-pressure liquefaction, diaphragm process, enzyme and CO
2The molecular sieve type partition method in a kind of mode described hydrogen is isolated from described output medium.
32, energy supply station according to claim 1 and 2 is characterized in that, described separation level comprise one or more be used to form liquid or solid-state hydrogen compound with the device of hydrogen from wherein isolating; The output medium that is used to cool off chemical converter is with the device of hydrogen from wherein separating; Be used for to the pressurization of the output medium of chemical converter with the device of hydrogen from wherein separating; With the output medium that is used for the membrane filtration chemical converter with the device of hydrogen from wherein separating.
33, energy supply station according to claim 1 and 2 is characterized in that, it comprises that also is used for storing a storage device that separates level from the isolated hydrogen of output medium by described.
34, energy supply station according to claim 33 is characterized in that, it also comprises the device that is used for storing with one of Compressed Gas state, solid-state, liquid state and freezing state at described storage device described hydrogen.
35, energy supply station according to claim 34 is characterized in that, it also comprises and being used at described storage device with liquid state at compound N aBH
4, KBH
4And LiBH
4In at least a in store the device of described hydrogen, these compounds can discharge hydrogen under the situation that has selected catalyst to exist.
36, energy supply station according to claim 1 and 2, it is characterized in that, it also comprises two or more chemical converter, described chemical converter comprises a steam reformer and a high-temperature fuel cell, wherein, its each self-capacity depends on the heat energy matching characteristic of fuel cell and reformer, and do not need additional combustion to heat, wherein, reforming reaction that reformer absorbs heat and fuel cell carry out exothermic reaction, wherein, compare with the chemistry coupling demand of fuel cell, this reformer has bigger capacity, and thus, the fuel of the reformation that excessive reformer produces can be used to produce hydrogen.
37, energy supply station according to claim 1 and 2, it is characterized in that, it also comprises a plurality of chemical converter, wherein, described chemical converter comprises the reformer and the fuel cell that is used to generate electricity that are used for fuel reforming Cheng Qing, wherein, the electric energy of producing altogether is about 2: 1 with the ratio of Hydrogen Energy.
38, energy supply station according to claim 1 and 2, it is characterized in that, it also comprises a plurality of chemical converter, wherein, described chemical converter comprises the reformer and the fuel cell that is used to generate electricity that are used for fuel reforming Cheng Qing, wherein, can turn round under the first condition that uses described reformer with the less hydrogen of lower common production efficient generation in described station, perhaps can under the second condition that uses described fuel cell generation small electric power, turn round, thus need be from the heat energy of combustion process supporting the reforming process of reformer, and then reach low CO
2Emission level.
39, energy supply station according to claim 2 is characterized in that, it also comprises a gathering-device that is used for collecting the carbon dioxide of output medium before disposing.
40, energy supply station according to claim 2 is characterized in that, described reservoir part comprises the basin of a compound band polymer linner.
41, a kind of method of producing hydrogen and electric power altogether by hydrocarbon fuel at a station of being used for may further comprise the steps:
Use a plurality of chemical converter to produce hydrogen and electric power altogether by fuel being handled the output medium that contains carbon dioxide with formation,
From output medium, isolate chemical constituent, and
Before distribution, store hydrogen.
According to the described method of claim 41, it is characterized in that 42, this hydrocarbon fuel comprises a kind of among natural gas, coal gas, propane, naphtha, gasoline, diesel oil, methyl alcohol and the biogas.
According to the described method of claim 41, it is characterized in that 43, it carries out pretreated step to fuel before also being included in fuel being imported at least one chemical converter.
According to the described method of claim 41, it is characterized in that 44, it also is included in the liquid agent of reforming is imported the step of heating and gasifying liquid reformation agent before at least one chemical converter.
According to the described method of claim 41, it is characterized in that 45, it also is included in the step that fuel is imported heating and evaporated fuel before at least one chemical converter.
According to the described method of claim 41, it is characterized in that 46, it also is included in the liquid agent of reforming is imported the step of gasifying liquid reformation agent before the chemical converter, wherein, described vaporizer comprises a steam boiler or a heat recovery steam generator.
According to the described method of claim 41, it is characterized in that 47, it also comprises the step that the reformation agent is vaporized and mixed with fuel.
According to the described method of claim 47, it is characterized in that 48, it also comprises provides one to be used to vaporize and the blender of mixing reforming agent and fuel, and the step of heated reformate agent before the reformation agent is imported blender.
49, according to the described method of claim 41, it is characterized in that, one or more chemical converter are that reformer and consequent output medium comprise hydrogen, water and carbon dioxide, wherein, comprise at least a this step that from output medium, isolates separately in hydrogen, water and the carbon dioxide in this separation steps.
50, according to the described method of claim 41, it is characterized in that, one or more chemical converter are reformers, and this method also comprises to reformer supplies with the reformation agent so that convert the fuel into hydrogen and the step of the carbon monoxide of the product of the intermediate reaction that conduct wherein takes place.
According to the described method of claim 44, it is characterized in that 51, this reformation agent is a kind of in air, water and the steam.
According to the described method of claim 50, it is characterized in that 52, it also is included in the reformation agent is imported the step of utilizing a processing level that the reformation agent is handled before the reformer.
According to the described method of claim 52, it is characterized in that 53, this processing level comprises a deionizater or a vaporizer.
According to the described method of claim 53, it is characterized in that 54, one of them handles this deionizater use deionization resin and mode of reverse osmosis the reformation agent.
According to the described method of claim 41, it is characterized in that 55, this chemical converter comprises that at least one reformer and output medium comprise hydrogen, water and carbon dioxide, this method also comprises the step of carrying hydrogen by vehicle interface to vehicle.
56, according to claim 41 or 49 described methods, it is characterized in that described chemical converter comprises at least one fuel cell, wherein, described fuel cell produces electric power.
According to the described method of claim 56, it is characterized in that 57, step that provides to be suitable for the vehicle interface of Change Power between vehicle and described station also is provided for it.
According to the described method of claim 56, it is characterized in that 58, this fuel cell is a kind of among Solid Oxide Fuel Cell, molten carbonate fuel cell, phosphoric acid fuel cell, alkaline fuel cell and the Proton Exchange Membrane Fuel Cells.
According to the described method of claim 41, it is characterized in that 59, step that provides to be used to produce the generator of electric power also is provided for it.
According to the described method of claim 59, it is characterized in that 60, this generator comprises at least a among fuel cell, gas turbine, internal combustion engine and the Stirling engine assembly.
According to the described method of claim 59, it is characterized in that 61, described generator comprises a fuel cell that is positioned to receive the hydrogen output of reformer, this reformer is used for electrochemical means hydrogen being changed into electric energy under the situation that has oxidant to exist.
62, according to the described method of claim 59, it is characterized in that, this generator is a fuel cell, and described fuel cell is a kind of among Solid Oxide Fuel Cell, molten carbonate fuel cell, phosphoric acid fuel cell, alkaline fuel cell and the Proton Exchange Membrane Fuel Cells.
According to the described method of claim 59, it is characterized in that 63, described generator is connected with vehicle interface selectively, be used for transmitting electric power to vehicle.
According to the described method of claim 41, it is characterized in that 64, it comprises that also the direct current that will be produced by described chemical converter is converted into the step of alternating current.
According to the described method of claim 41, it is characterized in that 65, it also comprises one or more
Be used for removing the desulfurizer of desulfuration from fuel or output medium,
At least one is used for the carbon monoxide of output medium is become with steam-reforming the low temperature and the high temperature shift reactor of carbon dioxide and hydrogen, and
Be used for hydrogen processor that the hydrogen of output medium is handled.
According to the described method of claim 65, it is characterized in that 66, this hydrogen processor comprises a kind of in mechanical compress device and the electrochemical compression device.
According to the described method of claim 66, it is characterized in that 67, this electrochemical compression device comprises a kind of in phosphoric acid, alkalescence and the proton exchange film device.
68, according to the described method of claim 41, it is characterized in that the described output medium of described chemical converter comprises steam, wherein, described separating step comprises the step that steam is condensed from output medium, hydrogen and carbon dioxide can be separated from output medium thus.
According to the described method of claim 41, it is characterized in that 69, described separating step comprises the step that hydrogen is separated from output medium.
According to the described method of claim 69, it is characterized in that 70, it also comprises by Physical Absorption, absorption, low temperature distillation method, high-pressure liquefaction, diaphragm process, enzyme and CO
2The molecular sieve type partition method in a kind of step that described hydrogen is isolated from described output medium.
71, according to the described method of claim 41, it is characterized in that, separate level by one and carry out described separating step, described separation level comprise one or more be used to form liquid or solid-state hydrogen compound with the device of hydrogen from wherein isolating; The output medium that is used to cool off chemical converter is with the device of hydrogen from wherein separating; Be used for to the pressurization of the output medium of chemical converter with the device of hydrogen from wherein separating; With the output medium that is used for the membrane filtration chemical converter with the device of hydrogen from wherein separating.
According to the described method of claim 41, it is characterized in that 72, it also comprises the step of storage isolated hydrogen from output medium.
According to the described method of claim 41, it is characterized in that 73, it also is included in the storage device step that stores isolated hydrogen from output medium with one of Compressed Gas state, solid-state, liquid state and freezing state.
According to the described method of claim 73, it is characterized in that 74, it also is included in the described storage device with liquid state at compound N aBH
4, KBH
4And LiBH
4In at least a in store the step of described hydrogen, these compounds can discharge hydrogen under the situation that has selected catalyst to exist.
75, according to the described method of claim 41, it is characterized in that, described chemical converter comprises a steam reformer and a high-temperature fuel cell, this method also comprises the capacity of being determined described fuel cell and described reformer by the heat energy matching characteristic of fuel cell and reformer, and the step that does not need additional combustion to heat, wherein, reforming reaction that reformer absorbs heat and fuel cell carry out exothermic reaction, wherein, compare with the chemistry coupling demand of fuel cell, this reformer has bigger capacity, and thus, the fuel of the reformation that excessive reformer produces can be used to produce hydrogen.
According to the described method of claim 41, it is characterized in that 76, described chemical converter comprises the reformer and the fuel cell that is used to generate electricity that are used for fuel reforming Cheng Qing, wherein, the electric energy of producing is about 2: 1 with the ratio of hydrogen altogether.
77, according to the described method of claim 41, it is characterized in that, described chemical converter comprises a reformer and fuel cell that is used to generate electricity that is used for fuel reforming Cheng Qing that is arranged in the described station, wherein, can turn round under the first condition that uses described reformer with the less hydrogen of lower common production efficient generation in described station, perhaps can under the second condition that uses described fuel cell generation small electric power, turn round, thus need be from the heat energy of combustion process supporting the reforming process of reformer, and then reach low CO
2Emission level.
78, according to the described method of claim 41, it is characterized in that the step of collecting carbon dioxide before it also is included in and disposes.
According to the described method of claim 41, it is characterized in that 79, described storing step is included in the step that stores hydrogen in the basin of a compound band polymer linner.
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PCT/US2001/019117 WO2002103833A1 (en) | 2001-06-15 | 2001-06-15 | Zero/low emission and co-production energy supply station |
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CN100449841C CN100449841C (en) | 2009-01-07 |
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EP (1) | EP1399984A1 (en) |
JP (1) | JP2004534186A (en) |
CN (1) | CN100449841C (en) |
CA (1) | CA2455350A1 (en) |
WO (1) | WO2002103833A1 (en) |
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Also Published As
Publication number | Publication date |
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CN100449841C (en) | 2009-01-07 |
JP2004534186A (en) | 2004-11-11 |
WO2002103833A1 (en) | 2002-12-27 |
CA2455350A1 (en) | 2002-12-27 |
EP1399984A1 (en) | 2004-03-24 |
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