WO2012147283A1 - 水素生成装置および燃料電池システム - Google Patents
水素生成装置および燃料電池システム Download PDFInfo
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- WO2012147283A1 WO2012147283A1 PCT/JP2012/002366 JP2012002366W WO2012147283A1 WO 2012147283 A1 WO2012147283 A1 WO 2012147283A1 JP 2012002366 W JP2012002366 W JP 2012002366W WO 2012147283 A1 WO2012147283 A1 WO 2012147283A1
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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
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—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
- 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
- C01B3/38—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 using catalysts
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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
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
- C01B3/32—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
- 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
- C01B3/38—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 using catalysts
- C01B3/382—Multi-step processes
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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
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/0438—Pressure; Ambient pressure; Flow
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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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
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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
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0662—Treatment of gaseous reactants or gaseous residues, e.g. cleaning
- H01M8/0675—Removal of sulfur
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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
- C01B2203/02—Processes for making hydrogen or synthesis gas
- C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
- C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
- C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
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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
- C01B2203/10—Catalysts for performing the hydrogen forming reactions
- C01B2203/1041—Composition of the catalyst
- C01B2203/1047—Group VIII metal catalysts
- C01B2203/1064—Platinum group metal catalysts
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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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1258—Pre-treatment of the feed
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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
- C01B2203/12—Feeding the process for making hydrogen or synthesis gas
- C01B2203/1258—Pre-treatment of the feed
- C01B2203/1264—Catalytic pre-treatment of the feed
- C01B2203/127—Catalytic desulfurisation
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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
Definitions
- the present invention relates to a hydrogen generator and a fuel cell system. More specifically, the present invention relates to a hydrogen generator equipped with a desulfurizer and a fuel cell system.
- a fuel cell system supplies a hydrogen-containing gas and an oxygen-containing gas to a fuel cell stack (hereinafter simply referred to as a “fuel cell”), which is a main body of a power generation unit, to advance an electrochemical reaction between hydrogen and oxygen.
- the generated chemical energy is extracted as electrical energy to generate electricity.
- the fuel cell system is capable of high-efficiency power generation and can easily use the thermal energy generated during power generation operation, so it has been developed as a distributed power generation system that can achieve high energy use efficiency. Is underway.
- the hydrogen generator includes a reforming unit.
- the reforming unit uses a natural gas (fuel gas) mainly composed of natural gas supplied from an existing infrastructure or a raw material such as LPG at a temperature of 600 to 700 ° C. using a Ru catalyst or Ni catalyst. Reforming reaction with steam.
- a odorant containing sulfur such as DMS, TBM, and THT is added to raw materials such as city gas or LPG supplied from the infrastructure in order to facilitate detection of raw material leakage.
- sulfur compound derived from a raw material is also contained.
- sulfur compounds poison catalysts such as Ru catalysts or Ni catalysts used in the reforming section and inhibit the reforming reaction. .
- the hydrogen generator is generally equipped with a desulfurizer that removes sulfur compounds in the raw material before being introduced into the reforming section.
- a desulfurizer there is a hydrodesulfurizer in which hydrogen is added to a sulfur compound at a high temperature by a hydrogenation catalyst (hereinafter referred to as a hydrogenation catalyst) to form hydrogen sulfide, and the hydrogen sulfide is removed by chemical adsorption (for example, patent literature). 1).
- the hydrodesulfurizer has the feature that the desulfurization capacity is increased because the sulfur compound is converted to hydrogen sulfide and removed, and the desulfurizer can be downsized.
- the present invention solves such a problem, and the concentration of the sulfur compound in the raw material supplied to the reformer is higher than that in the case of desulfurization using a hydrodesulfurizer in a state where the oxygen concentration in the raw material is high.
- An object of the present invention is to provide a hydrogen generator and a fuel cell system in which the possibility of increase is reduced.
- the present inventors have intensively studied the cause of the decrease in the reactivity of the hydrogenation reaction in the hydrodesulfurizer when the oxygen concentration in the raw material is high. As a result, the following knowledge was obtained.
- a hydrogen generator of the present invention includes a reformer that reforms a raw material to generate a hydrogen-containing gas, and a hydrodesulfurizer that removes a sulfur compound in the raw material.
- An adsorbent desulfurizer that removes sulfur compounds in the raw material, and a first raw material flow path through which the raw material supplied to the reformer passes through the hydrodesulfurizer without passing through the adsorbent desulfurizer A second raw material flow path through which the raw material supplied to the reformer via the adsorptive desulfurizer flows, and a flow path through which the raw material flows are the first raw material flow path and the second raw material flow path.
- the switch causes the raw material to be
- the second flow path is the first raw material flow path, and the oxygen concentration in the raw material is relatively high. If a state, and a control unit to the second material flow path a flow path in which the material flows by the switch.
- the fuel cell system of the present invention includes the hydrogen generator and a fuel cell that generates power using a hydrogen-containing gas supplied from the hydrogen generator.
- the sulfur compound in the raw material supplied to the reformer is reduced.
- the possibility of increasing the concentration is reduced.
- FIG. 1 is a conceptual diagram illustrating an example of a schematic configuration of the hydrogen generator in the first embodiment.
- FIG. 2 is a flowchart showing an example of an operation method of the hydrogen generator in the first embodiment.
- FIG. 3 is a conceptual diagram showing an example of a schematic configuration of the hydrogen generator in the example of the first embodiment.
- FIG. 4 is a conceptual diagram showing an example of a schematic configuration of a hydrogen generator in a modification of the first embodiment.
- FIG. 5 is a flowchart showing an example of an operation method of the hydrogen generator in the second embodiment.
- FIG. 6 is a flowchart illustrating an example of an operation method of the hydrogen generator in the third embodiment.
- FIG. 7 is a flowchart showing an example of an operation method of the hydrogen generator in the fourth embodiment.
- FIG. 8 is a conceptual diagram showing an example of a schematic configuration of a fuel cell system according to the fifth embodiment.
- the hydrogen generator of the first embodiment removes sulfur compounds in a raw material, a reformer that generates a hydrogen-containing gas by reforming the raw materials, a hydrodesulfurizer that removes sulfur compounds in the raw materials, and the like.
- Adsorption desulfurizer first raw material flow path through which the raw material supplied to the reformer passes through the hydrodesulfurizer without passing through the adsorptive desulfurizer, and is supplied to the reformer via the adsorptive desulfurizer
- the controller includes a controller that changes the flow path through which the raw material flows by the switch to the second raw material flow path.
- Such a configuration reduces the possibility of an increase in the concentration of sulfur compounds in the raw material supplied to the reformer compared to the case where desulfurization is performed using a hydrodesulfurizer in a state where the oxygen concentration in the raw material is high. .
- the first raw material flow path and the second raw material flow path may be completely independent, or a part of the flow paths may be common.
- the switch may be in any form as long as the flow path through which the raw material flows can be switched between the first raw material flow path and the second raw material flow path.
- the switch may be configured by an on-off valve provided in each of the first raw material flow path and the second raw material flow path, and among the first raw material flow path and the second raw material flow path Further, it may be configured by an on-off valve provided on one side and a fixed orifice provided on the other side.
- the hydrogen generator of this embodiment includes a first detector that detects the temperature of the hydrodesulfurizer, and if the detected value of the first detector is less than the first threshold, the controller causes the switch to supply the raw material.
- the flow path is the first raw material flow path and the detection value of the first detector is equal to or higher than the second threshold value, which is a value equal to or higher than the first threshold value, the flow path through which the raw material flows by the switch is the second raw material flow path. You may be comprised so that it may become.
- the second raw material flow path may be connected to a hydrodesulfurizer.
- the reformer may include a reforming catalyst having at least one of Pt and Rh as a constituent element.
- FIG. 1 is a conceptual diagram showing an example of a schematic configuration of a hydrogen generator in the first embodiment.
- the hydrogen generator 100 of the present embodiment includes a reformer 1, an adsorptive desulfurizer 3, a hydrodesulfurizer 4, a first raw material channel 15, and a second raw material channel. 16, a first valve 17, a second valve 18, and a controller 12.
- the reformer 1 generates a hydrogen content by reforming the raw material.
- the raw material includes at least an organic compound having carbon and hydrogen as constituent elements, and specific examples include natural gas, hydrocarbons such as LPG and LNG, and alcohols such as methanol and ethanol.
- the reforming reaction may be any reforming reaction, and specific examples include a steam reforming reaction, an autothermal reaction, and a partial oxidation reaction.
- the adsorptive desulfurizer 3 removes sulfur compounds in the raw material by physical adsorption.
- a normal temperature adsorptive desulfurizer capable of adsorbing and removing sulfur compounds at normal temperature is preferably used.
- the hydrodesulfurizer 4 converts sulfur compounds in the raw material into hydrogen sulfide by a hydrogenation reaction and chemisorbs hydrogen sulfide.
- a sulfur compound in the raw material that is disposed on the first raw material flow channel 15 and flows through the inside of the first raw material flow channel 15 is removed.
- the first raw material flow path 15 branches from the second raw material flow path 16 on the upstream side of the adsorptive desulfurizer 3 and joins the second raw material flow path 16 on the downstream side of the adsorptive desulfurizer 3 via the hydrodesulfurizer 4. .
- the first valve 17 is a valve that opens and closes the second raw material flow path 16.
- the first valve 17 is provided in the second raw material flow path 16 from the time when it branches from the first raw material flow path 15 until it merges with the first raw material flow path 15.
- the first valve 17 is provided upstream of the adsorptive desulfurizer 3.
- the first valve 17 can be provided at any location as long as it is the second raw material flow path 16 from the time it branches from the first raw material flow path 15 until it merges with the first raw material flow path 15, For example, it may be provided downstream of the adsorptive desulfurizer 3.
- the second valve 18 is a valve that opens and closes the first raw material flow path 15.
- the second valve 18 is provided in the first raw material flow path 15 from when it branches from the second raw material flow path 16 to when it merges with the second raw material flow path 16.
- the second valve 18 is provided upstream of the hydrodesulfurizer 4.
- the second valve 18 can be provided at any location as long as it is the first raw material flow path 15 from the time it branches from the second raw material flow path 16 until it merges with the second raw material flow path 16.
- it may be provided downstream of the hydrodesulfurizer 4.
- first valve 17 and the second valve 18 for example, an electromagnetic valve or the like can be used.
- first valve 17 and the second valve 18 constitute a switch.
- the hydrogen-containing gas discharged from the reformer 1 is supplied to a hydrogen utilization device (not shown) through the hydrogen supply path 10.
- a return path 11 branches from the hydrogen supply path 10.
- the return path 11 is connected to the first raw material flow path 15 upstream of the hydrodesulfurizer 4, and the hydrogen-containing gas generated in the reformer 1 is converted into the first raw material flow upstream of the hydrodesulfurizer 4. Supply to path 15.
- Such a hydrogen-containing gas is mixed with the raw material before flowing into the hydrodesulfurizer 4, supplied to the hydrodesulfurizer 4, and used for the hydrogenation reaction.
- the return path 11 is configured to be connected to the first raw material flow path 15 upstream from the portion branched from the second raw material flow path 16. You may provide in the 1st raw material flow path 15 upstream from the addition desulfurizer 4.
- the reformer 1 may include a reforming catalyst containing at least one of Pt and Rh as a constituent element.
- the controller 12 only needs to have a control function, and includes an arithmetic processing unit (not shown) and a storage unit (not shown) for storing a control program.
- Examples of the arithmetic processing unit include an MPU and a CPU.
- An example of the storage unit is a memory.
- the controller may be composed of a single controller that performs centralized control, or may be composed of a plurality of controllers that perform distributed control in cooperation with each other (in other embodiments and modifications thereof). The same applies to the controller).
- the controller 12 is communicably connected to the combustor 2, the first valve 17, and the second valve 18.
- the hydrogen generator 100 further includes a raw material supplier (not shown) in the first raw material flow path 15 downstream from the portion where the return path 11 is connected to the first raw material flow path 15 and upstream from the hydrodesulfurizer 4.
- the raw material supplier is constituted by, for example, at least one of a booster and a flow rate adjustment valve.
- the raw material supply device (not shown) is downstream of the portion connected to the return path 11 and the second raw material flow path. 16 may be provided on the first raw material flow path 15 upstream from the portion branched from the 16.
- the hydrogen generator 100 further includes an oxygen concentration state detector (not shown) that detects the state of the oxygen concentration contained in the raw material.
- the oxygen concentration state detector may be any detector as long as it can detect the state of the oxygen concentration contained in the raw material.
- the state of oxygen concentration is defined as meaning at least one of an oxygen concentration value in the raw material and a relative high or low state of the oxygen concentration in the raw material.
- the oxygen concentration state detector is at least one of a detector that directly detects the state of oxygen concentration contained in the raw material and a detector that indirectly detects the state of oxygen concentration contained in the raw material. Used.
- a detector that directly detects the state of oxygen concentration contained in the raw material an oxygen concentration detector provided in the raw material flow path, information acquisition that acquires oxygen concentration information from an external information holding body that holds oxygen concentration information
- An example is a container. Examples of the information holding body include a server that holds oxygen concentration information, a distributor that holds oxygen concentration information, and the like.
- the detector that indirectly detects the state of the oxygen concentration contained in the raw material is a detector that detects a physical quantity that correlates with the state of the oxygen concentration in the raw material.
- a detector for indirectly detecting the state of the oxygen concentration contained in the raw material in addition to the first detector for detecting the temperature of the hydrodesulfurizer, the second detector for detecting the temperature of the reformer, the raw material
- Examples of the raw material composition information correlated with the oxygen concentration state include information indicating that peak shaving is being performed.
- the oxygen concentration state detector is communicably connected to the controller 12, and transmits information on the oxygen concentration state (for example, the temperature of the hydrodesulfurizer, the temperature of the reformer, or the oxygen concentration) to the controller 12. And send.
- the oxygen concentration state for example, the temperature of the hydrodesulfurizer, the temperature of the reformer, or the oxygen concentration
- the first detector detects the magnitude of heat generation when the oxygen in the raw material and the hydrogen in the hydrogen-containing gas supplied to the hydrodesulfurizer undergo an oxidation reaction as the temperature of the hydrodesulfurizer. And the controller 12 can determine the relative high / low state of oxygen concentration based on the value acquired from the 1st detector.
- the first detector may be any detector as long as the temperature of the hydrodesulfurizer can be detected. Specifically, at least one of a detector that directly detects the temperature of the hydrodesulfurizer and a detector that indirectly detects the temperature of the hydrodesulfurizer is used as the first detector.
- the detector that directly detects the temperature of the hydrodesulfurizer may be provided at any location as long as the temperature of the hydrodesulfurizer can be detected. Specifically, a detector that detects the temperature of the outer shell of the hydrodesulfurizer, the gas temperature in the hydrodesulfurizer, the gas temperature that has passed through the hydrodesulfurizer, the catalyst temperature in the hydrodesulfurizer, etc. Is done.
- the detector that indirectly detects the temperature of the hydrodesulfurizer is a detector that detects a physical quantity correlated with the temperature of the hydrodesulfurizer.
- Detectors that indirectly detect the temperature of the hydrodesulfurizer include detectors that detect the concentration of sulfur compounds in the raw material that has passed through the hydrodesulfurizer, and the concentration of carbon monoxide in the raw material that has passed through the hydrodesulfurizer. Examples include a detector that detects the temperature, an ambient temperature of the hydrodesulfurizer, and a detector that detects an indirect temperature correlated with the temperature of the hydrodesulfurizer.
- the methanation reaction of carbon monoxide proceeds and hydrogen is consumed in the methanation reaction. .
- the hydrogenation reaction amount of the sulfur compound decreases, and the concentration of the sulfur compound contained in the raw material passing through the hydrodesulfurizer increases.
- the detector that detects the sulfur compound concentration in the raw material that has passed through the hydrodesulfurizer can detect the increase in the temperature of the hydrodesulfurizer indirectly by detecting the increase in the sulfur compound concentration in the raw material. become.
- the detector that detects the concentration of carbon monoxide in the raw material that has passed through the hydrodesulfurizer indirectly detects the increase in the temperature of the hydrodesulfurizer by detecting the increase in the concentration of carbon monoxide. Is possible.
- the second detector detects, as the temperature of the reformer, the magnitude of heat generated when the oxygen in the raw material supplied to the reformer and the hydrogen generated in the reformer undergo an oxidation reaction. And the controller 12 can determine the relative high and low state of oxygen concentration based on the temperature acquired from the 2nd detector.
- the second detector may be any detector as long as the temperature of the reformer can be detected. Specifically, at least one of a detector that directly detects the temperature of the reformer and a detector that indirectly detects the temperature of the reformer is used as the second detector.
- the detector that directly detects the temperature of the reformer may be provided at any location as long as the temperature of the reformer can be detected. Specifically, a detector that detects the temperature of the outer shell of the reformer, the temperature of the reforming catalyst, the gas temperature in the reformer, the gas temperature that has passed through the reformer, and the like is exemplified.
- the detector that indirectly detects the temperature of the reformer is a detector that detects a physical quantity correlated with the temperature of the reformer.
- a detector that indirectly detects the temperature of the reformer a hydrogen concentration detector that detects the hydrogen concentration in the hydrogen-containing gas that has passed through the reformer, a device that receives heat transfer from the reformer (for example, Hydrodesulfurization temperature), temperature detectors that detect the temperature of equipment (for example, transformers) through which hydrogen-containing gas that has passed through the reformer, ambient temperature of the reformer, etc. Examples thereof include a temperature detector that detects an indirect temperature correlated with the temperature of the mass device.
- the controller 12 can determine that the oxygen concentration in the raw material is high by peak shaving.
- the oxygen concentration detector can detect the oxygen concentration value itself.
- the ammonia concentration detector detects the ammonia concentration in the hydrogen-containing gas.
- oxygen is mixed into the raw material
- air is usually mixed into the raw material, so that not only oxygen but also nitrogen is mixed into the raw material.
- Nitrogen mixed in the raw material reacts with hydrogen generated in the reformer 1 to generate ammonia. Therefore, based on the concentration acquired from the ammonia concentration detector, it is possible to determine the relative level of the oxygen concentration.
- a carbon monoxide reducer for reducing the carbon monoxide concentration in the hydrogen-containing gas may be provided in the flow path on the downstream side of the reformer 1.
- the carbon monoxide reducer for example, at least one of a transformer and a carbon monoxide remover is used.
- the transformer reduces carbon monoxide by a shift reaction.
- the carbon monoxide remover reduces carbon monoxide in at least one of an oxidation reaction and a methanation reaction.
- FIG. 2 is a flowchart showing an example of an operation method of the hydrogen generator in the first embodiment.
- the operation method of the hydrogen generator 100 will be described with reference to FIG.
- the controller 12 determines whether or not the oxygen concentration state is the first state based on the information received from the oxygen concentration state detector. Is determined (step S101).
- the first state refers to a state in which the oxygen concentration in the raw material is relatively lower than that in the second state.
- the second state refers to a state in which the oxygen concentration in the raw material is relatively higher than that in the first state.
- step S101 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S101 is Yes, and the controller 12 closes the first valve 17 and opens the second valve 18 so that the raw material is The flow path is switched to the first raw material flow path 15 (step S102), and the determination operation is ended (end). As a result, the raw material passes through the first raw material flow path 15 and the hydrodesulfurizer 4 and is supplied to the reformer 1. At this time, in the configuration of FIG. 1, the raw material does not pass through the adsorptive desulfurizer 3.
- step S102 When the state of the oxygen concentration in the raw material is the second state, the determination result in step S102 is No, and the controller 12 opens the first valve 17 and closes the second valve 18 so that the raw material is The flowing channel is switched to the second raw material channel 16 (step S103), and the determination operation is ended (end). Thereby, the raw material passes through the second raw material flow path 16 and the adsorptive desulfurizer 3 and is supplied to the reformer 1. At this time, in the configuration of FIG. 1, the raw material does not pass through the hydrodesulfurizer 4.
- the hydrogen generator of the present embodiment includes a first detector that detects the temperature of the hydrodesulfurizer as an oxygen concentration state detector.
- the configuration other than the above can be configured in the same manner as the hydrogen generator of the first embodiment.
- FIG. 3 is a conceptual diagram showing an example of a schematic configuration of the hydrogen generator in the example of the first embodiment.
- the hydrogen generator 100A of this example illustrated in FIG. 3 further detects the temperature of the hydrodesulfurizer as the oxygen concentration state detector in the hydrogen generator of the first embodiment illustrated in FIG. A first detector 5 is provided. Since other components can be the same as those of the hydrogen generator 100 shown in FIG. 1, the same reference numerals and names are used for the same components in FIGS. 1 and 3, and the description thereof is omitted. .
- the first detector 5 for example, a temperature detector such as a thermocouple can be used.
- the first detector 5 is disposed, for example, on the outer wall or inside of the hydrodesulfurizer 4, is connected to the controller 12 so as to be communicable, and sends the temperature of the hydrodesulfurizer 4 to the controller 12.
- the operation method of the hydrogen generator in this embodiment can be the same as that shown in FIG. That is, in step S101 of FIG. 2, the controller 12 in the present embodiment determines the state of the oxygen concentration in the raw material based on the detection value of the first detector 5. When the detection value of the first detector 5 is less than the first threshold, it is determined that the oxygen concentration in the raw material is in the first state, and when the detection value of the first detector 5 is greater than or equal to the first threshold, It is determined that the oxygen concentration in the raw material is in the second state.
- the other operations are the same as those in FIG.
- the raw material does not pass through the hydrodesulfurizer 4.
- the temperature of the hydrodesulfurizer 4 is not affected by the oxygen concentration in the raw material, and the first detector 5 cannot detect the oxygen concentration state. Therefore, another oxygen concentration state detector (for example, the second detector) different from the first detector 5 is further provided in the reformer 1 or the like, and detects that the oxygen concentration state has become the first state. Then, you may make it return to a 1st raw material flow path.
- the controller 12 indicates that the oxygen concentration in the raw material is the first state when the detection value of the second detector is less than the second threshold, and the oxygen concentration in the raw material is greater than or equal to the second threshold. Is configured to determine that the state is a second state.
- the second raw material flow path is connected to the hydrodesulfurizer.
- the configuration other than the above may be configured similarly to the hydrogen generator of the first embodiment.
- FIG. 4 is a conceptual diagram showing an example of a schematic configuration of the hydrogen generator in the modified example of the first embodiment.
- the hydrogen generator 100B of the present modification illustrated in FIG. 4 is the same as the hydrogen generator of the first embodiment illustrated in FIG. 1 except that the second raw material flow path 16 is a first upstream of the hydrodesulfurizer 4. It is configured to branch from the raw material flow path 15 and merge with the first raw material flow path 15 of the hydrodesulfurizer 4.
- the hydrogen generator 100B is provided with a first detector 5 that detects the temperature of the hydrodesulfurizer 4.
- the other components are the same as those of the hydrogen generator 100 shown in FIG. 1, and the components common to FIGS. 1 and 4 are given the same reference numerals and names, and description thereof is omitted.
- the operation method of the hydrogen generator in this modification can be the same as in FIG. However, in this modification, when it is determined that the oxygen concentration in the raw material is in the second state, the raw material passes through the adsorption desulfurizer 3 and then passes through the hydrodesulfurizer 4 to be supplied to the reformer 1. Is done.
- the controller performs the operation of suppressing the temperature rise of the reformer after the flow path through which the raw material flows is changed to the second raw material flow path by the switch.
- Such a configuration can suppress overheating of the reformer accompanying an increase in the oxygen concentration in the raw material.
- the hydrogen generator of the present embodiment may be configured in the same manner as the hydrogen generator of at least any one of the first embodiment, its examples, and its modifications except for those described above.
- the hardware configuration of the present embodiment can be the same as that shown in FIG.
- the “operation for suppressing the temperature rise of the reformer” is, for example, control for reducing the fuel supply amount to the combustor 2, increasing the combustion air supply amount to the combustor 2, and increasing the air ratio ( ⁇ ).
- This is at least one of the control and the control to increase the S / C by increasing the amount of steam supplied to the reformer 1.
- the air ratio is an actual air amount with respect to a theoretical air amount necessary for complete combustion.
- S / C is the ratio of the number of moles of water molecules in the steam supplied to the reformer to the number of moles of carbon atoms in the raw material fed to the reformer.
- FIG. 5 is a flowchart showing an example of an operation method of the hydrogen generator in the second embodiment.
- the operation method of the hydrogen generator in the second embodiment will be described with reference to FIG.
- the controller 12 determines whether the oxygen concentration state is the first state based on the information received from the oxygen concentration state detector. Determination is made (step S201).
- step S201 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S201 becomes Yes, and the controller 12 closes the first valve 17 and opens the second valve 18 so that the raw material is The flowing channel is switched to the first raw material channel 15 (step S202), and the determination operation is ended (end). As a result, the raw material passes through the first raw material flow path 15 and the hydrodesulfurizer 4 and is supplied to the reformer 1.
- step S202 When the state of the oxygen concentration in the raw material is the second state, the determination result in step S202 is No, and the controller 12 opens the first valve 17 and closes the second valve 18 so that the raw material is The flowing channel is switched to the second raw material channel 16 (step S203). And the operation
- the controller modifies the flow when the raw material flows through the first raw material flow path when the flow path through which the raw material flows is the second raw material flow path.
- the temperature of the reformer is controlled so as to be higher than the temperature of the mass device.
- the configuration other than the above may be configured in the same manner as that of at least one of the hydrogen generators of the first embodiment, the second embodiment, examples thereof, and modifications thereof. Good.
- the hardware configuration of the present embodiment can be the same as that shown in FIG.
- controlling the temperature of the reformer so as to be higher than the temperature of the reformer when the flow path for the raw material is the first raw material flow path is, for example,
- the control target temperature of the mass device is set higher than the control target temperature of the reformer in the second state.
- the operation of controlling the temperature of the reformer can be performed by controlling the amount of heating by the combustor 2 or the like.
- FIG. 6 is a flowchart showing an example of an operation method of the hydrogen generator in the third embodiment.
- the operation method of the hydrogen generator in the third embodiment will be described with reference to FIG.
- the controller 12 determines whether the oxygen concentration state is the first state based on the information received from the oxygen concentration state detector. Determination is made (step S301).
- step S301 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S301 is Yes, and the controller 12 closes the first valve 17 and opens the second valve 18 so that the raw material is The flowing channel is switched to the first raw material channel 15 (step S302), and the determination operation ends (end). As a result, the raw material passes through the first raw material flow path 15 and the hydrodesulfurizer 4 and is supplied to the reformer 1.
- step S302 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S302 is No, and the controller 12 opens the first valve 17 and closes the second valve 18 so that the raw material is The flowing channel is switched to the second material channel 16 (step S303). Then, the control target temperature of the reformer is raised (step S304), and the determination operation is ended (end).
- the raw material passes through the second raw material flow path 16 and the adsorptive desulfurizer 3 and is supplied to the reformer 1, and is set higher than when the control target temperature of the reformer is in the first state.
- the temperature of the reformer 1 is controlled to be higher than the temperature of the reformer 1 when the flow path for the raw material is the first raw material flow path 15.
- the hydrogen generator of the fourth embodiment includes a second detector that detects the temperature of the reformer, and the controller uses the switch to change the flow path of the raw material to the second raw material flow path, and then performs the second detection. The operation is stopped when the detected value of the container becomes the third threshold value or more.
- the third threshold value can be defined as a value corresponding to a temperature higher than the control temperature of the reformer.
- the configuration of the hydrogen generator of the present embodiment is the same as that of at least one of the hydrogen generators of the first embodiment, the second embodiment, the third embodiment, examples thereof, and modifications thereof except for the above. You may comprise.
- the hardware configuration of the present embodiment can be the same as that shown in FIG. Illustration of the second detector is omitted.
- the second detector for example, a temperature detector such as a thermocouple can be used.
- the second detector is disposed, for example, on the outer wall or inside of the reformer 1, is communicably connected to the controller 12, and sends the temperature of the reformer 1 to the controller 12.
- the temperature control of the reformer 1 is performed after the flow path for the raw material is changed to the second raw material flow path 16, and the flow path for the raw material is changed to the first raw material flow path 15. Even if it is a form which changes from when it is, it may be a form which is not changed.
- the hydrogen generator may be operated to suppress the temperature rise of the reformer as in the second embodiment, for example.
- the hydrogen generator has a temperature higher than the temperature of the reformer when the flow path for the raw material is the first raw material flow path as in the third embodiment, for example.
- the temperature of the reformer may be controlled.
- FIG. 7 is a flowchart showing an example of an operation method of the hydrogen generator in the fourth embodiment.
- the operation method of the hydrogen generator in the fourth embodiment will be described with reference to FIG.
- the controller 12 determines whether the oxygen concentration state is the first state based on the information received from the oxygen concentration state detector. Determination is made (step S401).
- step S401 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S401 is Yes, and the controller 12 closes the first valve 17 and opens the second valve 18 so that the raw material is The flow path is switched to the first raw material flow path 15 (step S402), and the determination operation is ended (end). As a result, the raw material passes through the first raw material flow path 15 and the hydrodesulfurizer 4 and is supplied to the reformer 1.
- step S402 When the state of the oxygen concentration in the raw material is the first state, the determination result in step S402 is No, and the controller 12 opens the first valve 17 and closes the second valve 18 so that the raw material is The flowing channel is switched to the second raw material channel 16 (step S403). Thereby, the raw material passes through the second raw material flow path 16 and the adsorptive desulfurizer 3 and is supplied to the reformer 1.
- the controller 12 determines whether or not the temperature of the reformer 1 is equal to or higher than the upper limit temperature based on the detection result of the second detector (step S404). Specifically, for example, it is determined whether or not the detection value of the second detector is greater than or equal to a third threshold value.
- the third threshold value is defined as a value corresponding to a temperature higher than the control temperature of the reformer when the flow path for the raw material is the second raw material flow path.
- the second detector is a detector that directly detects the temperature of the reformer 1
- the third threshold is defined as a temperature higher than the control temperature of the reformer.
- the state of the oxygen concentration in the raw material can be indirectly detected by detecting the temperature of the reformer 1 with the second detector.
- step S404 If the determination result of step S404 is No, the determination of step S404 is executed again.
- step S404 If the determination result in step S404 is Yes, the controller 12 stops the operation of the hydrogen generator (step S405) and ends the determination operation (end).
- the fuel cell system of the fifth embodiment includes a hydrogen generator and a fuel cell that generates power using a hydrogen-containing gas supplied from the hydrogen generator.
- the hydrogen generator includes at least one of the first embodiment and its examples and modifications, the second embodiment and its modifications, the third embodiment and its modifications, the fourth embodiment and its modifications. One hydrogen generator may be applied.
- FIG. 8 is a conceptual diagram showing an example of a schematic configuration of a fuel cell system according to the fifth embodiment.
- a fuel cell system 200 of the present embodiment illustrated in FIG. 8 includes a fuel cell 20 in addition to the hydrogen generator 100 of the first embodiment illustrated in FIG. Since the other components can be the same as those of the hydrogen generator 100 shown in FIG. 1, the components common to FIGS. 1 and 8 are denoted by the same reference numerals and names, and the description thereof is omitted. .
- the fuel cell 20 is a fuel cell that generates power using the hydrogen-containing gas supplied from the hydrogen generator 100.
- the fuel cell 20 is a polymer electrolyte fuel cell (PEFC) or a solid oxide fuel cell (SOFC). And so on.
- PEFC polymer electrolyte fuel cell
- SOFC solid oxide fuel cell
- the hydrogen generator and the fuel cell system according to the present invention are useful as a hydrogen generator and a fuel cell system that can suppress a decrease in the reactivity of the hydrogenation reaction in the desulfurizer when oxygen is mixed into the raw material.
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Abstract
Description
硫器を使用して脱硫する場合に比べ、改質器に供給される原料中の硫黄化合物の濃度が増加する可能性が低減される水素生成装置および燃料電池システムを提供することを目的とする。
第1実施形態の水素生成装置は、原料を改質反応させて水素含有ガスを生成する改質器と、原料中の硫黄化合物を除去する水添脱硫器と、原料中の硫黄化合物を除去する吸着脱硫器と、吸着脱硫器を経由せず、水添脱硫器を経由して改質器に供給される原料が流れる第1原料流路と、吸着脱硫器を経由して改質器に供給される原料が流れる第2原料流路と、原料が流れる流路を第1原料流路と第2原料流路との間で切替える切替器と、改質器において水素含有ガスを生成しているときに、原料中の酸素濃度が相対的に低い第1の状態である場合は、切替器により原料が流れる流路を第1原料流路にし、原料中の酸素濃度が相対的に高い第2の状態である場合は、切替器により原料が流れる流路を第2原料流路にする制御器と、を備える。
本実施例の水素生成装置は、酸素濃度状態検知器として、水添脱硫器の温度を検出する第1検知器を備えている。本実施形態の水素生成装置において、上記以外の構成は、第1実施形態の水素生成装置と同様に構成することができる。
本変形例の水素生成装置では、第2原料流路が、水添脱硫器に接続されている。本変形例の水素生成装置において、上記以外の構成は、第1実施形態の水素生成装置と同様に構成してもよい。
第2実施形態の水素生成装置において、制御器は、切替器により原料が流れる流路を第2原料流路にした後、改質器の温度上昇を抑制する動作を実行する。
第3実施形態の水素生成装置において、制御器は、切替器により原料が流れる流路を第2原料流路にしているとき、原料が流れる流路を第1原料流路にしているときの改質器の温度よりも高い温度となるように改質器の温度を制御する。
第4実施形態の水素生成装置は、改質器の温度を検出する第2検知器を備え、制御器は、切替器により原料が流れる流路を第2原料流路にした後、第2検知器の検出値が第3閾値以上になると、運転を停止するように構成されている。
第5実施形態の燃料電池システムは、水素生成装置と、該水素生成装置より供給される水素含有ガスを用いて発電する燃料電池とを備える。
2 燃焼器
3 吸着脱硫器
4 水添脱硫器
5 第1検知器
10 水素供給路
11 リターン経路
12 制御器
15 第1原料流路
16 第2原料流路
17 第1弁
18 第2弁
20 燃料電池
100 水素生成装置
100A 水素生成装置
100B 水素生成装置
200 燃料電池システム
Claims (8)
- 原料を改質反応させて水素含有ガスを生成する改質器と、
前記原料中の硫黄化合物を除去する水添脱硫器と、
前記原料中の硫黄化合物を除去する吸着脱硫器と、
前記吸着脱硫器を経由せず、前記水添脱硫器を経由して前記改質器に供給される前記原料が流れる第1原料流路と、
前記吸着脱硫器を経由して前記改質器に供給される前記原料が流れる第2原料流路と、
前記原料が流れる流路を前記第1原料流路と前記第2原料流路との間で切替える切替器と、
前記改質器において水素含有ガスを生成しているときに、
原料中の酸素濃度が相対的に低い第1の状態である場合は、前記切替器により前記原料が流れる流路を前記第1原料流路にし、
原料中の酸素濃度が相対的に高い第2の状態である場合は、前記切替器により前記原料が流れる流路を前記第2原料流路にする制御器と、
を備える水素生成装置。 - 前記水添脱硫器の温度を検出する第1検知器を備え、前記制御器は、
前記第1検知器の検出値が第1閾値未満であると、前記切替器により前記原料が流れる流路を前記第1原料流路にし、
前記第1検知器の検出値が、前記第1閾値以上の値である第2閾値以上であると、前記切替器により前記原料が流れる流路を前記第2原料流路にするように構成されている、請求項1に記載の水素生成装置。 - 前記制御器は、前記切替器により前記原料が流れる流路を前記第2原料流路にした後、前記改質器の温度上昇を抑制する動作を実行する、請求項1または2に記載の水素生成装置。
- 前記制御器は、前記切替器により前記原料が流れる流路を前記第2原料流路にしているとき、前記原料が流れる流路を前記第1原料流路にしているときの前記改質器の温度よりも高い温度となるように前記改質器の温度を制御する、請求項1乃至3のいずれかに記載の水素生成装置。
- 前記改質器の温度を検出する第2検知器を備え、前記制御器は、前記切替器により前記原料が流れる流路を前記第2原料流路にした後、前記第2検知器の検出値が第3閾値以上になると、運転を停止するように構成されている、請求項1乃至4のいずれかに記載の水素生成装置。
- 前記第2原料流路は、前記水添脱硫器に接続されている、請求項1乃至5のいずれかに記載の水素生成装置。
- 前記改質器は、Pt及びRhの少なくともいずれか一方を構成元素とする改質触媒を備える、請求項1乃至6のいずれかに記載の水素生成装置。
- 請求項1乃至7のいずれかに記載の水素生成装置と、前記水素生成装置より供給される水素含有ガスを用いて発電する燃料電池とを備える、燃料電池システム。
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EP12775919.9A EP2703340B1 (en) | 2011-04-26 | 2012-04-04 | Hydrogen generation apparatus and fuel cell system |
US13/817,395 US9090464B2 (en) | 2011-04-26 | 2012-04-04 | Hydrogen generation apparatus and fuel cell system |
JP2012555247A JP5214076B1 (ja) | 2011-04-26 | 2012-04-04 | 水素生成装置および燃料電池システム |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014167864A1 (ja) * | 2013-04-11 | 2014-10-16 | パナソニック株式会社 | 水素生成装置及びこれを備える燃料電池システム |
JP2018096616A (ja) * | 2016-12-13 | 2018-06-21 | 三菱日立パワーシステムズ株式会社 | 火力発電プラント、ボイラ及びボイラの改造方法 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2837594B1 (en) * | 2012-04-10 | 2024-05-01 | Panasonic Intellectual Property Management Co., Ltd. | Method for operating hydrogen generation device and method for operating fuel cell system |
US9312555B2 (en) | 2012-12-27 | 2016-04-12 | Panasonic Intellectual Property Management Co., Ltd. | Hydrogen generator and fuel cell system |
US9966620B2 (en) * | 2014-11-25 | 2018-05-08 | Panasonic Intellectual Property Management Co., Ltd. | Hydrogen generator and fuel cell system |
US10056634B2 (en) | 2015-06-10 | 2018-08-21 | Honeywell International Inc. | Systems and methods for fuel desulfurization |
WO2018212214A1 (ja) * | 2017-05-18 | 2018-11-22 | 株式会社デンソー | 燃料電池システム |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01275697A (ja) * | 1988-04-27 | 1989-11-06 | Mitsubishi Electric Corp | 改質装置 |
JPH0757756A (ja) | 1993-08-06 | 1995-03-03 | Toshiba Corp | 燃料電池発電システム |
JP2001080907A (ja) | 1999-08-19 | 2001-03-27 | Haldor Topsoe As | 酸素含有ガスの予備改質方法 |
JP2003272691A (ja) * | 2002-03-20 | 2003-09-26 | Toshiba International Fuel Cells Corp | 燃料電池発電装置および燃料電池発電装置の運転方法 |
JP2008138153A (ja) * | 2006-11-09 | 2008-06-19 | Idemitsu Kosan Co Ltd | 脱硫方法、脱硫装置、燃料電池用改質ガスの製造装置および燃料電池システム |
WO2010041471A1 (ja) * | 2008-10-09 | 2010-04-15 | パナソニック株式会社 | 水素生成装置、燃料電池システム、及び水素生成装置の運転方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05114414A (ja) * | 1991-10-21 | 1993-05-07 | Mitsubishi Electric Corp | 燃料電池発電装置 |
JPH10214632A (ja) | 1997-01-31 | 1998-08-11 | Toshiba Corp | 燃料電池発電装置 |
JP3885521B2 (ja) * | 2001-06-15 | 2007-02-21 | 日産自動車株式会社 | 燃料電池システム |
US7131264B2 (en) * | 2003-01-29 | 2006-11-07 | Delphi Technologies, Inc. | Method of operating a reformer and a vehicle |
JP2007131462A (ja) | 2005-11-08 | 2007-05-31 | Toyota Motor Corp | 制御装置およびそれを備えた燃料改質システム |
JP2009249203A (ja) * | 2008-04-02 | 2009-10-29 | Tokyo Gas Co Ltd | 燃料電池の燃料水素製造用原燃料の脱硫システム |
JP5143663B2 (ja) | 2008-08-09 | 2013-02-13 | 東京瓦斯株式会社 | 燃料電池の燃料水素製造用原燃料の前処理システム |
-
2012
- 2012-04-04 EP EP12775919.9A patent/EP2703340B1/en not_active Not-in-force
- 2012-04-04 WO PCT/JP2012/002366 patent/WO2012147283A1/ja active Application Filing
- 2012-04-04 US US13/817,395 patent/US9090464B2/en not_active Expired - Fee Related
- 2012-04-04 JP JP2012555247A patent/JP5214076B1/ja active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01275697A (ja) * | 1988-04-27 | 1989-11-06 | Mitsubishi Electric Corp | 改質装置 |
JPH0757756A (ja) | 1993-08-06 | 1995-03-03 | Toshiba Corp | 燃料電池発電システム |
JP2001080907A (ja) | 1999-08-19 | 2001-03-27 | Haldor Topsoe As | 酸素含有ガスの予備改質方法 |
JP2003272691A (ja) * | 2002-03-20 | 2003-09-26 | Toshiba International Fuel Cells Corp | 燃料電池発電装置および燃料電池発電装置の運転方法 |
JP2008138153A (ja) * | 2006-11-09 | 2008-06-19 | Idemitsu Kosan Co Ltd | 脱硫方法、脱硫装置、燃料電池用改質ガスの製造装置および燃料電池システム |
WO2010041471A1 (ja) * | 2008-10-09 | 2010-04-15 | パナソニック株式会社 | 水素生成装置、燃料電池システム、及び水素生成装置の運転方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014167864A1 (ja) * | 2013-04-11 | 2014-10-16 | パナソニック株式会社 | 水素生成装置及びこれを備える燃料電池システム |
JP2018096616A (ja) * | 2016-12-13 | 2018-06-21 | 三菱日立パワーシステムズ株式会社 | 火力発電プラント、ボイラ及びボイラの改造方法 |
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