WO2021191962A1 - Système de fabrication - Google Patents

Système de fabrication Download PDF

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Publication number
WO2021191962A1
WO2021191962A1 PCT/JP2020/012703 JP2020012703W WO2021191962A1 WO 2021191962 A1 WO2021191962 A1 WO 2021191962A1 JP 2020012703 W JP2020012703 W JP 2020012703W WO 2021191962 A1 WO2021191962 A1 WO 2021191962A1
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WO
WIPO (PCT)
Prior art keywords
water
electric field
manufacturing system
reaction
reverse shift
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PCT/JP2020/012703
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English (en)
Japanese (ja)
Inventor
大郊 高松
早川　純
直人 深谷
晃平 吉川
明男 米山
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株式会社日立製作所
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Application filed by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to PCT/JP2020/012703 priority Critical patent/WO2021191962A1/fr
Priority to JP2022509776A priority patent/JP7373054B2/ja
Publication of WO2021191962A1 publication Critical patent/WO2021191962A1/fr

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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
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/40—Carbon monoxide
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
    • C25B15/00—Operating or servicing cells
    • C25B15/08—Supplying or removing reactants or electrolytes; Regeneration of electrolytes
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/133—Renewable energy sources, e.g. sunlight
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a technique for producing carbon monoxide gas by a reverse shift reaction.
  • Carbon monoxide is an important raw material for producing various chemical products such as resins. Although it is possible to produce chemical products from carbon dioxide, carbon monoxide is highly useful because the production cost is high at present. As a technique for producing carbon monoxide, a reverse shift reaction that converts carbon dioxide into carbon monoxide is known. However, the theoretical conversion efficiency of the inverse shift reaction is very low and has not been studied much so far.
  • Patent Document 1 describes a technique for promoting a carbon monoxide production reaction by applying an electric field to a catalyst.
  • the document states, "Reformation of steelworks by-product gas that can generate fuel gas by reforming by-product gas of steelworks while utilizing sensible heat and waste heat that are not used in steelworks.
  • An apparatus and a modification method are provided.
  • the above problem is an electric field application catalytic reaction that reacts a raw material gas consisting of methane contained in coke oven gas and carbon dioxide contained in a by-product gas of a steel mill to generate carbon monoxide and hydrogen. It has an apparatus and an exhaust heat supply apparatus that supplies exhaust heat generated from a steel mill to a heat application, and the heat application is at least one of an electric field application catalytic reaction device and a heat exchanger that heats a raw material gas.
  • This is solved by a steel mill by-product gas reforming device and a steel mill by-product gas reforming method using this device. ⁇ Disclosures the technology (see summary).
  • the present invention has been made in view of the above problems, and provides a manufacturing system capable of efficiently producing carbon monoxide, which is a raw material gas, from carbon dioxide in consideration of the environment.
  • the purpose is a manufacturing system capable of efficiently producing carbon monoxide, which is a raw material gas, from carbon dioxide in consideration of the environment.
  • the electric field application reverse shift reactor generates carbon monoxide gas using hydrogen gas generated by the water electrolyzer, and the water electrolyzer produces the electric field application reverse shift reactor.
  • Hydrogen gas is generated by using at least the water vapor generated from the generated water.
  • carbon monoxide gas can be generated using the hydrogen gas generated by the water electrolyzer by cooperating the water electrolyzer and the electric field application reverse shift reaction device.
  • the cost of hydrogen which is a raw material for the reverse shift reaction, can be suppressed.
  • thermoelectric conversion apparatus 143 It is a schematic diagram which shows the reaction process of the manufacturing system 100 which concerns on Embodiment 1. It is a block diagram which shows the detailed structure of the manufacturing system 100. It is a detailed block diagram of the electric field application reverse shift reaction apparatus 110. It is a detailed block diagram of the solid oxide fuel cell apparatus 130. It is a detailed block diagram of a water electrolyzer 120. It is a schematic diagram which shows the structural example of the thermoelectric conversion element part of the thermoelectric conversion apparatus 143. It is a block diagram which shows the structure of the manufacturing system 100 which concerns on Embodiment 2. It is a block diagram which shows the structure of the manufacturing system 100 which concerns on Embodiment 3.
  • the present invention provides decarbonization and highly efficient utilization of hydrogen by utilizing hydrogen generated from a water electrolyzer in a reverse shift reaction that produces carbon monoxide and water from carbon dioxide and hydrogen as raw materials. Provide a means to achieve both.
  • FIG. 1 is a schematic view showing a reaction process of the manufacturing system 100 according to the first embodiment of the present invention.
  • the manufacturing system 100 includes an electric field application reverse shift reaction device 110, a water electrolysis device 120, and a solid oxide fuel cell device 130.
  • the electric field application reverse shift reactor 110 uses carbon dioxide gas and hydrogen gas to generate carbon monoxide gas and water. This formation reaction is an endothermic reaction.
  • the electric field application reverse shift reactor 110 includes a catalyst that promotes a reaction that produces carbon monoxide gas. This catalytic reaction can be further promoted by the effect of NEMCA (Non-Faraday Electrochemical Modification of Catalytic Activity: non-Faraday electrochemical catalyst activation).
  • NEMCA Non-Faraday Electrochemical Modification of Catalytic Activity: non-Faraday electrochemical catalyst activation.
  • the NEMCA effect is generated by applying an electric field to a system composed of, for example, an anode and a cathode formed on an ionic conductor (solid electrolyte) and a redox catalyst formed on the electrodes.
  • the water electrolyzer 120 produces hydrogen gas and oxygen by electrolyzing water. This reaction is endothermic and requires electrical energy.
  • the water electrolyzer 120 includes a catalyst that promotes a reaction that produces hydrogen gas. This catalytic reaction can also be further promoted by the NEMCA effect.
  • the solid oxide fuel cell device 130 produces water using hydrogen gas and oxygen gas. This reaction is an exothermic reaction and produces electrical energy. Oxygen gas can also be replaced by air.
  • FIG. 2 is a block diagram showing a detailed configuration of the manufacturing system 100.
  • the manufacturing system 100 includes an exhaust heat supply device 141, a heat exchanger 142, a thermoelectric conversion device 143, a power supply 144, a combustor 145, and a decompressor 146. The cooperation between these devices will be described below.
  • the solid line in FIG. 2 represents the movement of matter, and the dotted line represents the movement of energy. The same applies to FIGS. 7 and 8 described later.
  • ⁇ Embodiment 1 Cooperation between devices>
  • the problem with hydrogen gas used in the reverse shift reaction is that the production cost is high. Therefore, in the first embodiment, the electric field application reverse shift reaction device 110 and the water electrolysis device 120 are installed at the same place and operated in cooperation with each other, and the electric field application reverse shift reaction device 110 is out of the hydrogen gas generated by the water electrolysis device 120. At least a part is used to generate carbon monoxide gas. As a result, the production cost of hydrogen gas can be suppressed.
  • the electric field application reverse shift reaction device 110 and the water electrolyzer 120 require heat.
  • the reaction temperature is 600 ° C. or higher, but an attempt is made to lower the reaction temperature to 400 ° C. or lower due to the NEMCA effect.
  • the heat at this temperature for example, sensible heat or exhaust heat that is not used in the chemical plant can be used.
  • the exhaust heat is supplied from the exhaust heat supply device 141 and the heat exchanger 142 to the electric field application reverse shift reaction device 110 and the water electrolysis device 120 through the heat insulating pipe.
  • the heat generated by the combustor 145 used as the heat source in the solid oxide fuel cell device 130 can be recovered by the exhaust heat supply device 141 and supplied from the exhaust heat supply device 141 and the heat exchanger 142 through the heat insulating pipe. That is, the exhaust heat can be used efficiently.
  • the solid oxide fuel cell device 130 requires heat. Normally, the reaction temperature is 700 ° C. to 1000 ° C., but there is a possibility that the reaction temperature can be lowered to about 600 ° C. by improving the catalyst.
  • the heat at this temperature utilizes, for example, the heat source of the combustor 145. At least a part of the oxygen gas generated by the water electrolyzer 120 can be charged into the combustor 145. As a result, the solid oxide fuel cell can be operated efficiently.
  • the water electrolysis device 120 can use the water as a raw material for electrolysis. Since the solid oxide fuel cell device 130 produces water, the water electrolysis device 120 can use the water as a raw material for electrolysis. As a result, the water electrolyzer 120 can be operated efficiently.
  • the heat source of the solid oxide fuel cell device 130 is thermoelectrically converted by the thermoelectric conversion device 143, and the electric energy is supplied to the power source 144.
  • the power supply 144 promotes the NEMCA reaction by applying an electric field to the electric field application reverse shift reactor 110. Since the catalytic reaction is promoted by the NEMCA reaction, the reverse shift reaction, which is an endothermic reaction, can proceed at a lower temperature.
  • the power supply 144 promotes the NEMCA reaction by similarly applying an electric field to the water electrolyzer 120. Since the catalytic reaction is promoted by the NEMCA reaction, the water electrolysis reaction, which is an endothermic reaction, can proceed at a lower temperature.
  • the water electrolyzer 120 can use the electric energy as the electric energy of the electrochemical reaction in the water electrolysis reaction.
  • the electrical energy generated by the solid oxide fuel cell device 130 can be supplied to the power source 144.
  • the NEMCA reaction can be promoted by applying an electric field from the power source 144 to the electric field application reverse shift reactor 110.
  • the hydrogen gas generated by the water electrolyzer 120 can be used as a fuel gas in the reaction in which the solid oxide fuel cell device 130 produces water. As a result, the water electrolyzer 120 can be operated more efficiently. Further, the production cost of the fuel gas of the solid oxide fuel cell device 130 can be suppressed.
  • Oxygen gas is generated when the water electrolyzer 120 electrolyzes water.
  • the combustor 145 can be operated efficiently and used as a heat source.
  • the combustor 145 can be used as a heat source for the solid oxide fuel cell apparatus 130.
  • the heat can be supplied to the endothermic step of the reverse shift reaction in the electric field application reverse shift reaction apparatus 110.
  • the heat can be supplied to the endothermic step of the water electrolysis reaction of the water electrolysis apparatus 120.
  • the water electrolyzer 120 can be operated more efficiently.
  • thermoelectric conversion device 143 can be cooled by decompressing the water generated by the electric field application reverse shift reaction device 110 by the decompressor 146 and supplying it to the thermoelectric conversion device 143. Further, the water vapor generated by the evaporation of the cooling water can be used as the raw material water in the water electrolysis reaction of the water electrolysis apparatus 120. As a result, the conversion efficiency of the thermoelectric conversion device 143 can be maintained well, and the electric field application reverse shift reaction device 110 can be operated more efficiently.
  • FIG. 3 is a detailed configuration diagram of the electric field application reverse shift reaction device 110.
  • the electric field application reverse shift reaction device 110 includes a flow rate control device 111, a raw material gas supply port 112, a catalyst 113, a heat source 114, an electric field application unit 115, and a reaction vessel 116.
  • the power supply 144 may be configured as a part of the electric field application reverse shift reaction device 110, or may be configured as a device shared by each device in the manufacturing system 100.
  • the flow rate control device 111 adjusts the flow rates of the carbon dioxide gas and the hydrogen gas supplied as raw materials, and then supplies the gas to the raw material gas supply port 112. It is efficient to use carbon dioxide gas recovered from, for example, a chemical plant. At least a part of the hydrogen gas is produced by the water electrolyzer 120.
  • the raw material gas is introduced into the reaction vessel 116 via the raw material gas supply port 112.
  • a catalyst 113 is arranged in the reaction vessel 116, and carbon monoxide gas and water are generated through the catalytic reaction. Since this reaction is an endothermic reaction, heat is supplied from the heat source 114.
  • the heat source 114 for example, heat supplied from the exhaust heat supply device 141 or the heat exchanger 142 can be used.
  • the electric field application unit 115 activates the catalytic reaction of the catalyst 113 by applying an electric field to the reaction vessel 116 using the electric energy supplied from the power source 144.
  • the power supply 144 can use the electric energy supplied from the thermoelectric conversion device 143.
  • Carbon monoxide gas and water generated using the raw material gas are output from the reaction vessel 116.
  • Carbon monoxide gas can be used as a raw material gas for various chemical products.
  • Water can be used as cooling water for the thermoelectric conversion device 143.
  • the high temperature steam can be used as a raw material gas for the water electrolyzer 120.
  • FIG. 4 is a detailed configuration diagram of the solid oxide fuel cell device 130.
  • the solid oxide fuel cell device 130 includes a flow control device 131, an air introduction port 132, a raw material gas supply port 133, a heat source 137, a pipe 138, and a solid fuel cell stack.
  • the solid fuel cell stack is composed of a cathode 134, an anode 135, and a solid electrolyte 136 (oxygen ion conductor).
  • the flow rate control device 131 adjusts the flow rates of hydrogen gas and oxygen gas supplied as raw materials, and then supplies the gas to the raw material gas supply port 133. At least a part of the hydrogen gas is produced by the water electrolyzer 120. At least a part of the oxygen gas is produced by the water electrolyzer 120. Oxygen contained in the air introduced from the air introduction port 132 may be used in combination.
  • the raw material gas is supplied to the solid fuel cell stack via the raw material gas supply port 133.
  • Solid oxide fuel cell stacks use fuel gas to generate water, heat, and electrical energy.
  • Water is supplied as a raw material for the water electrolyzer 120.
  • the electric energy is supplied as electric energy in the electrochemical reaction of the water electrolyzer 120.
  • the heat is supplied to the thermoelectric conversion device 143 via the heat source 137.
  • the electric energy output by the thermoelectric conversion device 143 is supplied to the NEMCA reaction of the electric field application reverse shift reaction device 110 and the water electrolysis device 120 via the power supply 144.
  • the reaction of the solid oxide fuel cell device 130 to generate water from hydrogen and oxygen proceeds at a temperature of, for example, about 600 ° C.
  • the heat source 137 provides heat for the reaction.
  • heat source 137 for example, heat from the exhaust heat supply device 141 or heat from the combustor 145 can be used.
  • the heat source 137 also has a role of supplying heat to the high temperature side of the thermoelectric conversion device 143.
  • the pipe 138 is a pipe that conveys the water generated by the electric field application reverse shift reaction device 110 to the cooling side of the thermoelectric conversion device 143.
  • the water cooling effect can be obtained by bringing the pipe 138 into contact with the cooling side of the thermoelectric conversion device 143.
  • the water in the pipe 138 and the cooling side of the thermoelectric conversion device 143 can exchange heat, the water cooling effect can be obtained, so that these members do not necessarily have to be in contact with each other in a strict sense.
  • an intermediary eg, fixing member, adhesive, air, etc.
  • FIG. 5 is a detailed configuration diagram of the water electrolyzer 120.
  • the water electrolyzer 120 includes a flow control device 121, a raw material gas supply port 122, a heat source 123, and a solid oxide fuel cell (SOEC) stack.
  • SOEC solid oxide fuel cell
  • the SOEC stack is composed of a cathode 124, an anode 125, and a solid electrolyte 126 (oxygen ion conductor).
  • the flow rate control device 121 adjusts the flow rate of water supplied as a raw material, and then supplies the water to the raw material gas supply port 122.
  • Water is supplied to the SOEC stack via the raw material gas supply port 122.
  • the SOEC stack uses raw water to generate hydrogen gas and oxygen gas.
  • Hydrogen gas is supplied to the electric field application reverse shift reactor 110 and the solid oxide fuel cell device 130.
  • the oxygen gas is supplied to the solid oxide fuel cell device 130 and also to the combustor 145.
  • the heat source 123 supplies heat to the endothermic process of the water electrolysis reaction.
  • heat source 123 for example, heat from the exhaust heat supply device 141 or heat from the combustor 145 can be used.
  • the role of the water electrolyzer 120 will be further considered below.
  • hydrogen used as a raw material for a reverse shift reaction has been synthesized by a steam reforming reaction of hydrocarbons or the like, but this has a problem that carbon dioxide gas is emitted in addition to inefficiency.
  • Alkaline water electrolysis and polyelectrolytes can produce hydrogen gas at low temperatures (about 60 ° C.), but on the other hand, the hydrogen conversion efficiency per input power is as low as 80% or less.
  • high-temperature steam electrolysis (SOEC) has advantages in that it does not emit carbon dioxide, has good hydrogen conversion efficiency per input power, and can reuse unused heat from peripheral devices.
  • the electrolysis of water is a reaction in which the number of molecules increases, and the higher the temperature, the lower the work required for the reaction.
  • the energy required for water electrolysis decreases around 100 ° C. as a boundary. Since the energy obtained by burning the hydrogen obtained by water electrolysis does not depend on the temperature, when the electrolysis of water is carried out at a high temperature, an endothermic reaction occurs, and hydrogen and oxygen having an energy amount equal to or higher than the input power can be obtained. In other words, it can be said that the exhaust heat can be recovered as hydrogen.
  • SOEC is a process of converting heat into fuel substances such as hydrogen gas, and is highly efficient as a hydrogen production method. At the same time, it can be expected as a new method for recovering exhaust heat. This is because the heat source of SOEC is sufficient even at a medium and low temperature of about 150 ° C. or higher, and can be used as a means for recovering solar heat and low temperature exhaust heat.
  • the water electrolysis reaction of SOEC requires electric energy, it is possible to convert the surplus electric power at night into hydrogen and store it. Further, in the daytime when the generated electric power peaks, the solid oxide fuel cell device 130 generates electric power, and the electric power can be obtained from the hydrogen. That is, there is an advantage that the power load can be smoothed by operating these devices in cooperation.
  • the energy used to generate hydrogen gas is electrical energy and about 25% is thermal energy. If this 25% of the heat energy can be supplemented from the exhaust heat, the exhaust heat can be recovered as hydrogen. Further, the efficiency of the combustor 145 can be improved by recirculating the oxygen produced as a by-product in the SOEC to the combustor 145.
  • FIG. 6 is a schematic view showing a configuration example of a thermoelectric conversion element unit of the thermoelectric conversion device 143.
  • the reaction temperature of the solid oxide fuel cell device 130 is about 700 ° C. to 1000 ° C., but there is a possibility that the temperature can be lowered to about 600 ° C. by improving the catalyst. Consider using the temperature of about 600 ° C. required for the reaction of the solid oxide fuel cell device 130 as the high temperature side of the thermoelectric conversion device 143.
  • the electric energy output is calculated from the resistance value of the solid oxide catalyst material to which the electric field is to be applied.
  • B Two trial calculation results could be obtained.
  • thermoelectric converter 143 can provide the electrical energy required for the NEMCA effect.
  • the hydrogen gas produced by the water electrolyzer 120 is used as the raw material hydrogen gas in the reverse shift reaction. Further, the heat used in the solid oxide fuel cell device 130 is recovered by the exhaust heat supply device 141 or the like and supplied to the endothermic step in the reverse shift reaction, and the electric field is supplied for the NECMA effect via the thermoelectric conversion device 143. Used as electrical energy for. As a result, the production cost and efficiency of carbon monoxide gas can be improved as compared with the conventional case, and carbon monoxide gas can be inexpensively supplied as a raw material for various chemical products.
  • FIG. 7 is a block diagram showing the configuration of the manufacturing system 100 according to the second embodiment of the present invention.
  • the power source 144 receives the electric energy generated by the solid oxide fuel cell device 130 directly from the solid oxide fuel cell device 130 without going through the thermoelectric conversion device 143, and uses the electric energy. , Supply an electric field for the NEMCA effect.
  • Other configurations are the same as those in the first embodiment.
  • thermoelectric conversion device 143 Even when the thermoelectric conversion device 143 is not provided as in the second embodiment, the same effect as that of the first embodiment can be exhibited.
  • the thermoelectric conversion device 143 by using the hydrogen gas produced by the water electrolyzer 120 as the raw material hydrogen gas in the reverse shift reaction, the production cost of the hydrogen gas can be suppressed.
  • the NEMCA effect can improve the production cost and efficiency of carbon monoxide gas as compared with the conventional case.
  • FIG. 8 is a block diagram showing the configuration of the manufacturing system 100 according to the third embodiment of the present invention.
  • the water electrolyzer 120 generates hydrogen gas and oxygen gas by electrolyzing seawater.
  • the electric energy required for the water electrolysis reaction in addition to the electric energy obtained from the solid oxide fuel cell apparatus 130, the electric power generated by the ocean power generation facility 150 is used.
  • the marine power generation facility 150 may be configured as a part of the manufacturing system 100, or may be configured as a facility separate from the manufacturing system 100.
  • the marine power generation facility 150 is, for example, a facility installed in or near the ocean.
  • the offshore power generation facility 150 can be configured by a renewable energy system such as offshore wind power generation or marine current power generation. Since the water electrolyzer 120 uses seawater, it is desirable to install it near the ocean. In this case, the ocean power generation facility 150 can also be installed in the vicinity of the water electrolyzer 120. Therefore, the cooperation between the water electrolyzer 120 and the ocean power generation facility 150 can be easily secured.
  • the present invention is not limited to the above-described embodiment, and includes various modifications.
  • the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations.
  • each device can be operated efficiently as long as the circulation is carried out. For example, even if the oxygen gas generated by the water electrolyzer 120 is not supplied to the combustor 145, the effect of efficiently securing the hydrogen gas which is the raw material of the reverse shift reaction can be exhibited.
  • the electric field application reverse shift reaction device 110, the water electrolysis device 120, and the solid oxide fuel cell device 130 are installed at the same place from the viewpoint of circulating the products from each device. .. Specifically, (a) the electric field application reverse shift reaction device 110 and the water electrolyzer 120 are installed at places where the electric field application reverse shift reaction device 110 can receive the hydrogen gas generated by the water electrolysis device 120, respectively. (B) The electric field application reverse shift reaction device 110 and the solid oxide fuel cell device 130 are located in a place where the electric field application reverse shift reaction device 110 can receive the heat supply from the heat source of the solid oxide fuel cell device 130. It is desirable that each is installed.
  • each device is installed at a position where substances can be exchanged by its piping.
  • the heat source included in each device may supply the heat to each device by a pipe connecting the devices by recovering various heats in the manufacturing system 100. That is, the heat source is not limited to the heat generated by the combustor 145, and may be configured by recovering various other heat generated.
  • Manufacturing system 110 Electric field application reverse shift reactor 120: Water electrolyzer 130: Solid oxide fuel cell device 141: Exhaust heat supply device 142: Heat exchanger 143: Thermoelectric converter 144: Power supply 145: Combustor 146: Decompressor 150: Marine power generation equipment

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  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
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  • Inorganic Chemistry (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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Abstract

L'objectif de la présente invention est de fournir un système de fabrication qui permet, d'une manière respectueuse de l'environnement, une production efficace de gaz de matière première, c'est-à-dire du monoxyde de carbone à partir de dioxyde de carbone. Dans un système de fabrication selon la présente invention, un appareil de réaction de conversion inverse d'application de champ électrique génère du monoxyde de carbone gazeux à l'aide d'hydrogène gazeux généré par un appareil d'électrolyse de l'eau. L'appareil d'électrolyse de l'eau génère de l'hydrogène gazeux à l'aide d'au moins de la vapeur d'eau générée à partir de l'eau générée par l'appareil de réaction de conversion inverse d'application de champ électrique.
PCT/JP2020/012703 2020-03-23 2020-03-23 Système de fabrication WO2021191962A1 (fr)

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WO2000025380A2 (fr) * 1998-10-27 2000-05-04 Quadrise Limited Stockage d'energie electrique
JP2019035102A (ja) * 2017-08-10 2019-03-07 東京瓦斯株式会社 一酸化炭素製造システム

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