WO2015159817A1 - 水素ガス発生システム - Google Patents

水素ガス発生システム Download PDF

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Publication number
WO2015159817A1
WO2015159817A1 PCT/JP2015/061234 JP2015061234W WO2015159817A1 WO 2015159817 A1 WO2015159817 A1 WO 2015159817A1 JP 2015061234 W JP2015061234 W JP 2015061234W WO 2015159817 A1 WO2015159817 A1 WO 2015159817A1
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WO
WIPO (PCT)
Prior art keywords
seawater
hydrogen gas
tank
chlorine gas
high pressure
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.)
Ceased
Application number
PCT/JP2015/061234
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English (en)
French (fr)
Japanese (ja)
Inventor
信義 三島
永渕　尚之
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Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Priority to AU2015247080A priority Critical patent/AU2015247080B2/en
Priority to CA2944428A priority patent/CA2944428C/en
Publication of WO2015159817A1 publication Critical patent/WO2015159817A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/06—Devices for producing mechanical power from solar energy with solar energy concentrating means
    • F03G6/065—Devices for producing mechanical power from solar energy with solar energy concentrating means having a Rankine cycle
    • F03G6/067—Binary cycle plants where the fluid from the solar collector heats the working fluid via a heat exchanger
    • 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
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/02—Hydrogen or oxygen
    • 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
    • C25B1/00—Electrolytic production of inorganic compounds or non-metals
    • C25B1/01—Products
    • C25B1/24—Halogens or compounds thereof
    • C25B1/26—Chlorine; Compounds thereof
    • 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
    • C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
    • F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
    • F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03G—SPRING, WEIGHT, INERTIA OR LIKE MOTORS; MECHANICAL-POWER PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
    • F03G6/00—Devices for producing mechanical power from solar energy
    • F03G6/071—Devices for producing mechanical power from solar energy with energy storage devices
    • F03G6/074—Devices for producing mechanical power from solar energy with energy storage devices of the non-thermal type, e.g. springs or batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/40—Solar thermal energy, e.g. solar towers
    • Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30—Hydrogen technology
    • Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
    • 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
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
    • 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

Definitions

  • the present invention relates to a hydrogen gas generation system for producing hydrogen gas.
  • Hydrogen gas is used, for example, as fuel for fuel cell vehicles.
  • fuel cell vehicle production is expected to increase, and the demand for hydrogen gas is also expected to increase.
  • a technology that can produce and supply high-pressure hydrogen gas in large quantities, inexpensively, and stably is desired.
  • Hydrogen gas can be produced by electrolyzing seawater.
  • Patent Document 1 describes a hydrogen storage device that uses sunlight to generate direct current electricity and electrolyzes seawater using this power to produce hydrogen gas.
  • This hydrogen storage device is equipped with a panel-like solar cell floating in the sea by floating and a cassette as a weight incorporating a hydrogen storage alloy electrode, and electrolysis of seawater is performed using direct current electricity generated using sunlight.
  • the hydrogen storage alloy electrode is electrically connected to the negative electrode of the solar cell via the negative electrode, and the positive electrode electrically connected to the positive electrode of the solar cell and the hydrogen storage alloy electrode are used to electrolyze seawater.
  • Hydrogen generated by the electrolysis is stored in the hydrogen storage alloy electrode.
  • a cassette containing a hydrogen storage alloy electrode is removable from the device, and hydrogen can be taken out by removing the cassette and heating it.
  • the method of floating the hydrogen storage device on the sea surface is susceptible to the movement of the sea surface by waves and the influence of ocean currents, and also susceptible to the large waves from typhoons etc. It is feared that it is difficult to produce hydrogen gas stably and in large quantities because it is difficult to immobilize the storage device.
  • An object of the present invention is to provide a hydrogen gas generation system capable of producing and supplying high-pressure hydrogen gas in a large amount, inexpensively, and stably.
  • the hydrogen gas generation system has the following features.
  • a hydrogen gas generation system generates a hydrogen gas by electrolyzing seawater using a solar power generation apparatus including a solar cell and generating direct current electricity and the direct current electricity generated by the solar power generation apparatus.
  • a hydrogen gas compressor for compressing the hydrogen gas.
  • the figure which shows the whole structure of the hydrogen gas generation system by the Example of this invention The figure which shows the structure of the seawater electrolyzer of the hydrogen gas generation system by a present Example.
  • the hydrogen gas generation system is installed on the ground and includes a solar power generation device, a seawater electrolyzer using direct current electricity generated by the solar power generation device, a solar thermal power generation device, and alternating current electricity generated by the solar thermal power generation device.
  • High-pressure gas compressor driven by a high-pressure gas compressor to generate hydrogen gas by electrolyzing seawater with a seawater electrolyzer, and compressing the generated low-pressure hydrogen gas using a high-pressure gas compressor.
  • a large amount of high pressure chlorine gas is produced and supplied stably at low cost by compressing the low pressure chlorine gas generated by the electrolysis of seawater with a high pressure gas compressor.
  • the low pressure hydrogen gas and chlorine gas generated by the electrolysis are temporarily stored in the low pressure gas tank, respectively, and then compressed by the high pressure gas compressor and stored in the high pressure gas tank.
  • direct current electricity generated by a solar power generation apparatus is used for electrolysis of seawater
  • alternating current electricity generated by a solar thermal power generation apparatus is used for compression of hydrogen gas and chlorine gas.
  • chlorine gas can be manufactured and supplied inexpensively. Since the hydrogen gas generation system according to the present invention is installed on the ground instead of the sea surface, it can be stably electrolyzed and compressed without being affected by waves, and therefore, high-pressure hydrogen gas and chlorine gas can be stably and mass produced. Can be supplied.
  • low-pressure hydrogen gas and chlorine gas generated by the electrolysis of seawater are compressed by a high-pressure gas compressor using AC electricity generated by a solar thermal power generator, so high-pressure hydrogen gas and high-pressure chlorine gas are produced in large quantities and inexpensively It can be manufactured.
  • the hydrogen gas generation system according to the present invention is installed on the ground and utilizes inexpensively available seawater, two types of solar energy: sunlight and solar heat, electrolysis of seawater using sunlight is performed. And the solar thermal power generation utilizing seawater synergistically, and it is possible to manufacture and supply high pressure hydrogen gas and high pressure chlorine gas in large quantities, inexpensively, and stably.
  • the seawater electrolyzer and the high-pressure gas compressor can be operated continuously during the day, and hydrogen gas and chlorine gas can be continuously produced inexpensively and in large quantities.
  • Seawater which is a source of hydrogen gas and chlorine gas, exists almost infinitely in the natural world, and there is no fear of shortage.
  • solar energy that can be used free of charge is used, a large amount of inexpensive high pressure hydrogen gas and high pressure chlorine gas can be produced and supplied in large quantities without burning fossil fuel to generate carbon dioxide gas.
  • the produced high pressure hydrogen gas can be supplied to, for example, a fuel cell vehicle that consumes a large amount of hydrogen gas.
  • Fuel cell vehicles are currently expensive, but mass production has progressed within the next few years, so prices will fall, and demand for hydrogen gas, which is fuel, is expected to increase in the future.
  • chlorine gas is in demand as a raw material for various disinfectants and chemical products.
  • the hydrogen gas and the chlorine gas generated by the seawater electrolysis apparatus are temporarily stored in the low pressure gas tank as low pressure gas without being compressed, and then compressed by the high pressure gas compressor. Therefore, the amount of total solar radiation from the sun fluctuates due to changes in the daytime weather, and the power generated by the solar power generation (solar cell) changes, and the amount or pressure of hydrogen gas and chlorine gas generated from the seawater electrolyzer Even if it fluctuates, in each low pressure gas tank, the pressure fluctuation of hydrogen gas and chlorine gas is controlled within a certain range determined by the volume of the low pressure gas tank.
  • the pressure fluctuation of hydrogen gas and chlorine gas is controlled within a certain range determined by the volume of the high pressure gas tank.
  • seawater used as cooling water for a solar thermal power generation apparatus can also be used as seawater that is electrolyzed by the seawater electrolysis apparatus.
  • the decomposition activity of the seawater electrolytic device is increased, and the electrolysis of hydrogen gas and chlorine gas Can reduce the amount of power needed for
  • FIG. 1 is a view showing the overall configuration of a hydrogen gas generation system 100 according to an embodiment of the present invention.
  • the hydrogen gas generation system 100 according to the present embodiment is installed on the ground, and the solar power generation device 3, the seawater electrolytic device 200, the solar thermal power generation device 300, the high pressure hydrogen gas compressor 101, and the high pressure chlorine gas compressor 102 As a main component, it can produce and supply high-pressure hydrogen gas and chlorine gas in large quantities, inexpensively, and stably.
  • the solar power generation device 3 includes a solar cell, and generates a DC power source by solar power generation by the solar cell.
  • the seawater electrolyzer 200 electrolyzes seawater using the direct current electricity generated by the solar power generator 3 to generate hydrogen gas and chlorine gas.
  • the solar thermal power generation apparatus 300 generates alternating current electricity by rotating a turbine with steam generated using solar heat.
  • the high pressure hydrogen gas compressor 101 is AC power generated by the solar thermal power generation apparatus 300, and is driven by the high pressure hydrogen gas compressor motor 88 to compress the hydrogen gas generated by the seawater electrolysis apparatus 200.
  • the high pressure chlorine gas compressor 102 is AC power generated by the solar thermal power generation apparatus 300, and is driven by the high pressure chlorine gas compressor motor 89 to compress chlorine gas generated by the seawater electrolysis apparatus 200.
  • FIG. 2 is a view showing the configuration of a seawater electrolyzer 200 of the hydrogen gas generation system 100 according to the present embodiment.
  • the seawater electrolyzer 200 includes a seawater electrolyzer 4, a low pressure hydrogen gas tank 36, and a low pressure chlorine gas tank 46 as main components.
  • the seawater electrolytic cell 4 electrolyzes seawater using the direct current electricity generated by the solar power generation device 3 to generate hydrogen gas and chlorine gas.
  • the low pressure hydrogen gas tank 36 stores the hydrogen gas generated in the seawater electrolytic tank 4 without pressurization.
  • the low pressure chlorine gas tank 46 stores chlorine gas generated in the seawater electrolytic tank 4 without pressurization.
  • FIG. 3 is a view showing the configuration of a solar thermal power generation device 300 of the hydrogen gas generation system 100 according to the present embodiment.
  • the solar thermal power generation apparatus 300 includes the solar thermal receiver 52, the high pressure steam turbine 54, the medium and low pressure steam turbine 58, the generator 29, and the condenser 60 as main components, and is generated by the solar thermal receiver 52
  • the superheated steam rotates the high pressure steam turbine 54 and the medium and low pressure steam turbines 58 to generate alternating current electricity with the generator 29.
  • the superheated steam having the steam turbines 54 and 58 rotated is cooled with seawater in the condenser 60.
  • seawater that is electrolyzed by the seawater electrolysis apparatus 200 seawater that is used and heated in the condenser 60 of the solar thermal power generation apparatus 300 can be used. Furthermore, the seawater in the seawater intake tank 16 for taking in seawater used in the condenser 60, and the seawater in the seawater discharge tank 98 for discharging seawater after used in the condenser 60 can be used. . Thus, a large amount of seawater for electrolysis can be supplied to the seawater electrolyzer 4.
  • seawater electrolyzer 200 and the solar thermal power generation apparatus 300 of the hydrogen gas generation system 100 according to the present embodiment will be described in detail with reference to FIGS. 1 to 3.
  • seawater electrolysis apparatus 200 First, the seawater electrolysis apparatus 200 will be described.
  • the seawater electrolytic bath 4 of the seawater electrolysis apparatus 200 includes a cathode bath 9, an anode bath 10, a hydrogen gas generator 5, and a chlorine gas generator 6.
  • the cathode tank 9 and the anode tank 10 contain seawater and are connected to each other by a communication adjustment pipe 150.
  • the communication adjustment pipe 150 is provided with an anode-cathode tank flow rate balance valve 15 to circulate seawater between the cathode tank 9 and the anode tank 10.
  • the anode-cathode tank flow rate balance valve 15 can control the amount of seawater flowing through the communication adjustment pipe 150 to control the amount of seawater in the cathode tank 9 and the amount of seawater in the anode tank 10.
  • hydrogen gas is generated in the cathode tank 9 and chlorine gas is generated in the anode tank 10.
  • seawater decreases in the cathode tank 9 and the anode tank 10, but the amount of seawater in the cathode tank 9 and the anode tank 10 decreases, so the amount of seawater in the cathode tank 9 and the amount in the anode tank 10 decrease. There is a difference in the amount of seawater.
  • the anode-cathode tank flow rate balance valve 15 adjusts the amount of seawater flowing through the communication adjustment pipe 150 according to the decreased amount of seawater, and performs control to reduce the difference in the amount of seawater between the cathode tank 9 and the anode tank 10.
  • the hydrogen gas generator 5 includes a cathode 7 provided in seawater contained in the cathode tank 9 and a hydrogen gas recovery unit 27.
  • the chlorine gas generator 6 includes an anode 8 provided in seawater stored in the anode tank 10 and a chlorine gas recovery unit 28.
  • the hydrogen gas recovery unit 27 includes, for example, a cylindrical container in which one end of the upper portion is closed and the other end of the lower portion is opened, the upper portion is connected to the hydrogen gas recovery unit outlet pipe 31, and the lower portion is a cathode rod. It is sunk below 9 sea level.
  • the chlorine gas recovery unit 28 is constituted of, for example, a cylindrical container in which one end of the upper portion is closed and the other end of the lower portion is opened, the upper portion is connected to the chlorine gas recovery unit outlet pipe 41, and the lower portion is an anode tank. It is sunk below 10 sea level.
  • the solar power generation device 3 generates direct current electricity using the radiation energy of the sunlight 2 emitted from the sun 1.
  • the cathode of the solar power generation device 3 is connected to the cathode 7 of the seawater electrolytic bath 4 by a cathode wire 11.
  • the anode of the solar power generation device 3 is connected to the anode 8 of the seawater electrolytic bath 4 by an anode wire 12.
  • the hydrogen gas generated by the hydrogen gas generator 5 is recovered by the hydrogen gas recovery unit 27.
  • the hydrogen gas recovery unit 27 collects hydrogen gas generated by the electrolysis at the top of the sea level in the cylindrical container.
  • the collected hydrogen gas passes through the hydrogen gas recovery outlet pipe 31 and the hydrogen gas recovery outlet valve 32 and is collected in the hydrogen gas outlet main pipe 33.
  • the collected hydrogen gas passes through the low pressure hydrogen gas tank pressure control valve 34 and the low pressure hydrogen gas tank inlet pipe 35, and is temporarily stored in the low pressure hydrogen gas tank 36 as low pressure hydrogen gas without being pressurized.
  • the pressure of the low pressure hydrogen gas tank 36 is detected by a low pressure hydrogen gas tank pressure gauge 38.
  • the pressure of the low pressure hydrogen gas tank 36 is controlled so that the pressure of the low pressure hydrogen gas tank 36 falls within a predetermined range by opening and closing the low pressure hydrogen gas tank pressure adjusting valve 34 according to the amount of generated hydrogen gas.
  • the hydrogen gas is sent from the low pressure hydrogen gas tank 36 to the high pressure hydrogen gas compressor 101 through the hydrogen gas compressor inlet pipe 37.
  • the chlorine gas generated by the chlorine gas generator 6 is recovered by a chlorine gas recovery unit 28.
  • the chlorine gas recovery unit 28 collects chlorine gas generated by electrolysis at the upper part of the sea level in the cylindrical container.
  • the collected chlorine gas passes through the chlorine gas recovery outlet pipe 41 and the chlorine gas recovery outlet valve 42 and is collected in the chlorine gas outlet main pipe 43.
  • the collected chlorine gas passes through the low pressure chlorine gas tank pressure control valve 44 and the low pressure chlorine gas tank inlet pipe 45, and is temporarily stored in the low pressure chlorine gas tank 46 as low pressure chlorine gas without being pressurized.
  • the pressure of the low pressure chlorine gas tank 46 is detected by a low pressure chlorine gas tank pressure gauge 48.
  • the pressure of the low pressure chlorine gas tank 46 is controlled so that the pressure of the low pressure chlorine gas tank 46 falls within a predetermined range by opening and closing the low pressure chlorine gas tank pressure adjusting valve 44 according to the amount of generation of chlorine gas.
  • the chlorine gas is sent from the low pressure chlorine gas tank 46 to the high pressure chlorine gas compressor 102 through the chlorine gas compressor inlet pipe 47.
  • the seawater electrolyzed in the seawater electrolyzer 4 of the seawater electrolyzer 200 is one of the seawater intake tank 16, the seawater discharge tank 98, and the condenser 60 of the solar thermal power generation apparatus 300. It is supplied from at least one.
  • the seawater tank 16 is a facility that accommodates the seawater used in the condenser 60.
  • the seawater used in the condenser 60 is taken from the seawater intake tank 16.
  • the seawater release tank 98 is a facility that accommodates the seawater used in the condenser 60.
  • the seawater used in the condenser 60 is discharged to the seawater discharge tank 98.
  • the seawater in the seawater intake tank 16 flows through the seawater pump inlet pipe 21 and is sent to the seawater pump 18 through the seawater pump inlet valve 17 to be pressurized.
  • the pressurized seawater passes through the seawater pump outlet check valve 19 and the seawater pump outlet valve 20, and is sent to the seawater main pipe 26 through the seawater pump outlet piping 22.
  • the seawater in the seawater discharge tank 98 flows through the seawater pump inlet pipe 121, is sent to the seawater pump 118 through the seawater pump inlet valve 117, and is pressurized.
  • the pressurized seawater passes through the seawater pump outlet check valve 119 and the seawater pump outlet valve 120, and is sent to the seawater main pipe 26 through the seawater pump outlet piping 122.
  • the seawater supplied from the condenser 60 to the seawater electrolyzer 4 is seawater warmed by cooling the steam by the condenser 60.
  • the seawater (warm drainage) discharged from the condenser 60 flows through the condenser outlet circulating water pipe 94.
  • Most of the seawater flows through the seawater discharge tank side circulating water piping valve 96 and the seawater discharge tank inlet piping 97 to the seawater discharge tank 98 and is discharged to the sea.
  • the rest of the seawater is taken out from the condenser outlet circulating water pipe 94 by the seawater electrolyzer-side seawater takeout main valve 95, passes through the seawater pressure pump inlet valve 39, and is pressurized by the seawater pressure pump 99.
  • the pressurized seawater (warm drainage) passes through the seawater boost pump outlet check valve 49 and the seawater boost pump outlet valve 79, flows through the seawater boost pump outlet piping 25, and is sent to the seawater main pipe 26.
  • the seawater sent to the seawater main pipe 26 is divided into two systems, and flows through the cathode tank seawater flow control valve inlet pipe 23 and the anode tank seawater flow control valve inlet pipe 24.
  • the seawater flowing to the cathode tank seawater flow control valve inlet pipe 23 passes through the cathode tank seawater flow control valve 13 and is sent to the cathode tank 9.
  • the seawater that has flowed to the anode tank seawater flow control valve inlet pipe 24 passes through the anode tank seawater flow control valve 14 and is sent to the anode tank 10.
  • FIG. 3 shows a solar thermal power generation apparatus 300 adopting a tower system as a solar heat collection system.
  • any heat collecting system for example, a trough system, a Fresnel system, and a heat collecting system combining a plurality of systems
  • any heat collecting system for example, a trough system, a Fresnel system, and a heat collecting system combining a plurality of systems
  • the solar thermal power generation apparatus 300 solar thermal energy carried by the solar radiation 2 from the sun 1 is reflected by the heliostats 51 arranged in large numbers around the tower 74, and the solar thermal receiver 52 Collected.
  • the tower 74 is supplied with feed water which is heated by the high pressure heater 56 by steam and flows through the solar heat collector feed pipe 50.
  • the steam extracted from the high pressure steam turbine 54 flows into the high pressure heater 56 through the high pressure heater extraction pipe 55. By the steam, the feed water flowing into the high pressure heater 56 is heated by the feed water pump 64.
  • the feed water supplied to the tower 74 is heated by solar heat energy in the solar heat receiver 52 to become superheated steam.
  • the superheated steam flows through the solar heat collector outlet main pipe 53 to rotate the high pressure steam turbine 54, and then flows through the connection pipe 57 to rotate the medium and low pressure steam turbine 58.
  • These steam turbines rotate a generator 29 directly connected to the steam turbine to produce alternating current electricity.
  • the alternating current electricity is transmitted to the high voltage system bus 82 via the main transformer 80 and the main breaker 81.
  • the steam exhausted from the medium and low pressure steam turbine 58 flows through the low pressure steam turbine exhaust pipe 59 into the condenser 60.
  • the steam that has flowed into the condenser 60 is cooled by the seawater that has flowed through the condenser inlet circulating water pipe 93, and is converted to condensed water.
  • the condensate flows through the condensate piping 67, flows into the condensate pump 68, is pressurized by the condensate pump 68, is heated by the low pressure heater 69, and flows through the deaerator inlet piping 70 and is removed It enters into the air container 63 and is heated and deaerated by the deaerator 63.
  • the steam extracted from the medium and low pressure steam turbine 58 flows through the low pressure extraction pipe 62 to heat the condensed water.
  • the steam extracted from the high pressure steam turbine 54 flows into the deaerator 63 through the deaerator extraction pipe 61 in order to heat and deaerate the condensed water.
  • the condensed water deaerated by the deaerator 63 is pressurized by the feed water pump 64, passes through the feed water flow control valve 65, flows through the feed water pump outlet pipe 66, flows to the high pressure heater 56, and is supplied to the tower 74. It will be water supply.
  • the water flowing from the deaerator 63 to the high pressure heater 56 is heated by the steam extracted from the high pressure steam turbine 54, flows through the solar heat collector water supply pipe 50, is sent to the tower 74, and is heated by the solar thermal energy. It becomes.
  • Sea water (cooling water) flowing into the condenser 60 through the condenser inlet circulating water pipe 93 is taken out from the sea water tank 16.
  • the seawater in the seawater intake tank 16 is taken out by the circulating water pump inlet pipe 90, pressurized by the circulating water pump 91, passes through the circulating water pump outlet valve 92, and flows through the condenser inlet circulating water piping 93, It flows into the water tank 60.
  • the seawater (cooling water) flowing into the condenser 60 cools the steam flowing into the condenser 60.
  • the cooling water (warm drainage) cooled and heated through the steam passes through the condenser outlet circulating water pipe 94, and a part thereof is the seawater drainage tank side circulating water piping valve 96 and the seawater drainage tank inlet It is discharged into the seawater discharge tank 98 through the pipe 97, and the remaining part passes through the seawater electrolyzer-side seawater extraction source valve 95 and the seawater boost pump inlet valve 39, and is boosted by the seawater boost pump 99, and the seawater boost pump outlet It flows through the check valve 49, the seawater boost pump outlet valve 79, and the seawater boost pump outlet piping 25 and is supplied to the seawater electrolyzer 4 and utilized as seawater electrolyzed in the seawater electrolyzer 4.
  • the hydrogen gas generation system 100 further includes a high pressure hydrogen gas tank 103 and a high pressure chlorine gas tank 104 as described later.
  • the AC electricity generated by the generator 29 of the solar thermal power generation apparatus 300 is raised in voltage by the main transformer 80, and then passes through the main breaker 81 to be transmitted to the high voltage system bus 82. A portion of this AC electricity passes through the indoor circuit breaker 83 and the voltage drops in the indoor transformer 84. Part of the AC voltage whose voltage has been reduced passes through the high-pressure hydrogen gas compressor breaker 85 and is distributed to the high-pressure hydrogen gas compressor motor 88, and part passes through the high-pressure chlorine gas compressor breaker 86. Then, the electricity is distributed to the high pressure chlorine gas compressor motor 89, and a part thereof is distributed to the seawater electrolyzer 200 and the motors of the various accessories of the solar thermal power generator 300 through the accessory breaker 87.
  • the high pressure hydrogen gas compressor motor 88 drives the high pressure hydrogen gas compressor 101.
  • the high pressure hydrogen gas compressor 101 is connected to the low pressure hydrogen gas tank 36 and the high pressure hydrogen gas tank 103, compresses the hydrogen gas stored in the low pressure hydrogen gas tank 36, and stores the compressed hydrogen gas in the high pressure hydrogen gas tank 103.
  • the hydrogen gas is compressed to a pressure depending on the application, for example, to a high pressure of about 7 to 70 MPa.
  • the high pressure chlorine gas compressor motor 89 drives the high pressure chlorine gas compressor 102.
  • the high pressure chlorine gas compressor 102 is connected to the low pressure chlorine gas tank 46 and the high pressure chlorine gas tank 104, compresses the chlorine gas stored in the low pressure chlorine gas tank 46, and stores the compressed chlorine gas in the high pressure chlorine gas tank 104. Chlorine gas is compressed to a pressure depending on the application.
  • the compression of hydrogen gas and chlorine gas requires a large amount of electric power on the order of megawatts.
  • the generation of carbon dioxide gas is significantly reduced, and inexpensive high pressure hydrogen gas and high pressure chlorine gas are obtained. Can be manufactured in large quantities.
  • the high pressure hydrogen gas leaving the high pressure hydrogen gas compressor 101 passes through the high pressure hydrogen gas tank pressure regulating valve 105 and is stored in the high pressure hydrogen gas tank 103.
  • the pressure of the high pressure hydrogen gas tank 103 is detected by the high pressure hydrogen gas tank pressure gauge 107.
  • the pressure of the high pressure hydrogen gas tank 103 is controlled so that the pressure of the high pressure hydrogen gas tank 103 falls within a predetermined range by opening and closing the high pressure hydrogen gas tank pressure regulating valve 105 to change the flow rate of hydrogen gas flowing into the high pressure hydrogen gas tank 103. Control. Further, by taking out hydrogen gas from the intermediate stage of the high pressure hydrogen gas compressor 101 and cooling the taken out hydrogen gas with a refrigerant such as seawater, a further high pressure hydrogen gas can be obtained.
  • the high pressure hydrogen gas stored in the high pressure hydrogen gas tank 103 is taken out using the high pressure hydrogen gas takeout control valve 109 and stored in the high pressure hydrogen gas cylinder 75.
  • the high pressure hydrogen gas cylinder 75 is carried out by the high pressure hydrogen gas carrier vehicle 77. In the hydrogen gas generation system according to the present invention, high-pressure hydrogen gas can thus be supplied to the consumer.
  • the high pressure chlorine gas leaving the high pressure chlorine gas compressor 102 passes through the high pressure chlorine gas tank pressure regulating valve 106 and is stored in the high pressure chlorine gas tank 104.
  • the pressure of the high pressure chlorine gas tank 104 is detected by a high pressure chlorine gas tank pressure gauge 108.
  • the pressure of the high pressure chlorine gas tank 104 is kept within a predetermined range. Control. Further, by taking out chlorine gas from the middle stage of the high pressure chlorine gas compressor 102 and cooling the taken out chlorine gas with a refrigerant such as seawater, a further high pressure chlorine gas can be obtained.
  • the high pressure chlorine gas stored in the high pressure chlorine gas tank 104 is taken out using the high pressure chlorine gas takeout control valve 110 and stored in the high pressure chlorine gas cylinder 76.
  • the high pressure chlorine gas cylinder 76 is carried out by the high pressure chlorine gas carrier 78. In the hydrogen gas generation system according to the present invention, high pressure chlorine gas can thus be supplied to the consumer.
  • AC power generated by solar thermal energy without burning fossil fuel is used as a power supply for driving the high pressure hydrogen gas compressor 101 and the high pressure chlorine gas compressor 102.
  • it can be used as an alternative, it can produce alternating current electricity without burning carbon dioxide gas generated by burning fossil fuel into the atmosphere.
  • seawater electrolysis a portion of seawater (warm drainage) cooled by heating the steam by the condenser 60 is subjected to seawater electrolysis. It can also be used as seawater electrolyzed in the tank 4. By utilizing the heated seawater as the seawater to be electrolyzed, there is an advantage that energy consumed by the electrolysis can be reduced.
  • seawater In general, natural seawater can be used free of charge. Seawater itself exists in large quantities on the earth, and it can be said that it exists infinitely on the earth to the extent of being used as a raw material for electrolysis. Therefore, in the hydrogen gas generation system 100 according to the present embodiment, as shown in FIGS. 1 to 3, the seawater taken out from the seawater intake tank 16 is not directly used as cooling water for the solar thermal power generation apparatus 300, but seawater electrolysis directly. It can also be sent to tank 4.
  • the method of directly sending the seawater extracted from the seawater tank 16 to the seawater electrolytic tank 4 has an advantage that a large amount of seawater can be used for electrolysis and a large amount of hydrogen gas and chlorine gas can be generated.
  • seawater pump outlet valve 21 ... seawater pump inlet piping, 22 ... seawater pump outlet piping, 23 ... cathode Tank seawater flow control valve inlet piping, 24 ... anode tank seawater flow control valve inlet piping, 25 ... seawater boost pump outlet piping, 26 ... seawater main pipe, 27 ... hydrogen gas recovery device, 28 ... chlorine gas recovery device, 29 ... power generation Machine, 30 ... bubbles of hydrogen gas, 31 ... water Gas recovery unit outlet piping, 32 ... hydrogen gas recovery unit outlet valve, 33 ... hydrogen gas outlet main pipe, 34 ... low pressure hydrogen gas tank pressure regulating valve, 35 ... low pressure hydrogen gas tank inlet piping, 36 ... low pressure hydrogen gas tank, 37 ...
  • hydrogen gas Compressor inlet piping 38 Low pressure hydrogen gas tank pressure gauge 39: Seawater boost pump inlet valve 40: Chlorine gas bubble 41: Chlorine gas recovery outlet piping 42: Chlorine gas recovery outlet valve 43: Chlorine gas Outlet main pipe 44: low pressure chlorine gas tank pressure regulating valve 45: low pressure chlorine gas tank inlet piping 46: low pressure chlorine gas tank 47: chlorine gas compressor inlet piping 48: low pressure chlorine gas tank pressure gauge 49: seawater boost pump outlet
  • 50 solar heat collector water supply piping, 51: heliostat, 52: solar heat receiver, 53: solar heat collector outlet main pipe, 54: high pressure steam -Bin, 55: high pressure heater extraction pipe, 56: high pressure heater, 57: connection piping, 58: medium and low pressure steam turbine, 59: low pressure steam turbine exhaust pipe, 60: condenser, 61: deaerator extraction pipe, 62 ...
  • Low pressure extraction pipe 63: Deaerator, 64: Water supply pump, 65: Water supply flow control valve, 66: Water supply pump outlet pipe, 67: Condensate piping, 68: Condensate pump, 69: Low pressure heater, 70: Degassing Inlet piping, 74: Tower, 75: high pressure hydrogen gas cylinder, 76: high pressure chlorine gas cylinder, 77: high pressure hydrogen gas carrier, 78: high pressure chlorine gas carrier, 79: seawater boost pump outlet valve, 80: main transformer, 81: main circuit breaker, 82: high voltage system bus bar, 83: internal circuit breaker, 84: internal transformer, 85: high pressure hydrogen gas compressor circuit breaker, 86: high pressure chlorine gas compressor circuit breaker, 87: interruption for auxiliary machine , 88 ...
  • Hydrogen gas generation system 101 high pressure hydrogen gas compressor 102 high pressure chlorine gas compressor 103 high pressure hydrogen gas tank 104 high pressure chlorine gas tank 105 high pressure hydrogen gas tank pressure control valve 106 high pressure chlorine gas tank pressure control valve 107: high pressure hydrogen gas tank pressure gauge, 108: high pressure chlorine gas tank pressure gauge, 109: high pressure hydrogen gas outlet regulating valve, 110: high pressure chlorine gas outlet regulating valve 117 ... seawater pump inlet valve, 118 ... seawater pump, 119 ... seawater pump outlet check valve, 120 ... seawater pump outlet valve, 121 ... seawater pump inlet piping, 122 ... seawater pump outlet piping, 150 ... communication adjustment piping, 200 ... Sea water electrolysis device, 300 ... solar thermal power generation device.

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  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
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CN108678823A (zh) * 2018-06-29 2018-10-19 华北电力大学 蓄能orc制氢系统
EP3739714A1 (de) * 2019-05-16 2020-11-18 Linde GmbH Verfahren zum betreiben einer industrieanlage und entsprechende industrieanlage
CN114017993A (zh) * 2022-01-06 2022-02-08 杭州制氧机集团股份有限公司 一种利用绿电电解水制氢副产氧气的装置及方法
WO2023026768A1 (ja) 2021-08-24 2023-03-02 三菱重工業株式会社 水素製造システム
CN116114168A (zh) * 2020-08-14 2023-05-12 伍德赛德能源技术私人有限公司 分布式制氢设施

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JP6637318B2 (ja) * 2016-02-02 2020-01-29 株式会社神戸製鋼所 ガス供給装置
JP2021059748A (ja) * 2019-10-04 2021-04-15 日立造船株式会社 水電解装置および水電解装置の制御方法
CN113439071A (zh) * 2020-01-22 2021-09-24 反町健司 二氧化碳的固定方法、固定化二氧化碳的制造方法、以及二氧化碳的固定装置
KR102451685B1 (ko) * 2020-11-02 2022-10-05 한국수력원자력 주식회사 복수개의 발전소의 수소 생산 시스템
KR102600608B1 (ko) * 2021-09-13 2023-11-10 한화오션 주식회사 선박용 재생에너지 및 sofc의 상보 시스템

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CN108678823A (zh) * 2018-06-29 2018-10-19 华北电力大学 蓄能orc制氢系统
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EP3739714A1 (de) * 2019-05-16 2020-11-18 Linde GmbH Verfahren zum betreiben einer industrieanlage und entsprechende industrieanlage
CN116114168A (zh) * 2020-08-14 2023-05-12 伍德赛德能源技术私人有限公司 分布式制氢设施
WO2023026768A1 (ja) 2021-08-24 2023-03-02 三菱重工業株式会社 水素製造システム
CN114017993A (zh) * 2022-01-06 2022-02-08 杭州制氧机集团股份有限公司 一种利用绿电电解水制氢副产氧气的装置及方法
CN114017993B (zh) * 2022-01-06 2022-06-07 杭氧集团股份有限公司 一种利用绿电电解水制氢副产氧气的装置及方法

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JP2015206060A (ja) 2015-11-19
AU2015247080A1 (en) 2016-10-27

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