WO2021244131A1 - 一种基于海上废弃油气平台的综合发电制氢储氢系统 - Google Patents

一种基于海上废弃油气平台的综合发电制氢储氢系统 Download PDF

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WO2021244131A1
WO2021244131A1 PCT/CN2021/085761 CN2021085761W WO2021244131A1 WO 2021244131 A1 WO2021244131 A1 WO 2021244131A1 CN 2021085761 W CN2021085761 W CN 2021085761W WO 2021244131 A1 WO2021244131 A1 WO 2021244131A1
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hydrogen
power generation
hydrogen storage
hydrogen production
storage system
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PCT/CN2021/085761
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English (en)
French (fr)
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孙庆强
单小雪
袁雪振
江海
刘海韵
覃勇
任绍洋
许波
邹有鑫
张艺
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江苏海洋大学
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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
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • F03B13/1855—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem where the connection between wom and conversion system takes tension and compression
    • F03B13/186—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem where the connection between wom and conversion system takes tension and compression the connection being of the rack-and-pinion type
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C28/00—Alloys based on a metal not provided for in groups C22C5/00 - C22C27/00
    • 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
    • C25B1/04—Hydrogen or oxygen by electrolysis of water
    • 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
    • C25B1/50—Processes
    • C25B1/55—Photoelectrolysis
    • 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
    • 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
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1845—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom slides relative to the rem
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/19—Combinations of wind motors with apparatus storing energy storing chemical energy, e.g. using electrolysis
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
    • H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
    • H02S10/12—Hybrid wind-PV energy systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/61—Application for hydrogen and/or oxygen production
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/705—Application in combination with the other apparatus being a wind turbine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2220/00—Application
    • F05B2220/70—Application in combination with
    • F05B2220/708—Photoelectric means, i.e. photovoltaic or solar cells
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/911—Mounting on supporting structures or systems on a stationary structure already existing for a prior purpose
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/95—Mounting on supporting structures or systems offshore
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/40—Transmission of power
    • F05B2260/403—Transmission of power through the shape of the drive components
    • F05B2260/4031—Transmission of power through the shape of the drive components as in toothed gearing
    • F05B2260/40312—Ratchet wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/42—Storage of energy
    • 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
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • 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
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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    • 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
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    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

Definitions

  • the invention relates to the technical field of new energy comprehensive power generation and utilization and energy storage, in particular to a comprehensive power generation and hydrogen storage system based on abandoned offshore oil and gas platforms.
  • the ocean energy content is huge, mainly including offshore wind energy, ocean light energy, ocean wave energy, ocean current energy, ocean temperature difference energy, ocean salt difference energy, etc.
  • the current status of ocean energy utilization is: in addition to offshore wave energy power generation technologies, power generation technologies for various energy sources such as offshore wind energy, offshore solar energy, nearshore wave energy, ocean current energy, ocean temperature difference energy, and ocean salt difference energy. Both have been successfully developed, but due to high equipment costs and low energy conversion efficiency, there are fewer practical applications.
  • a marine energy utilization system can be established based on abandoned offshore oil and gas platforms, it will undoubtedly be able to realize the reuse of abandoned offshore oil and gas platforms. At the same time, it can also solve many problems in the current ocean energy utilization such as no platform carriers and large initial investment, and promote the development of ocean energy. use efficiently.
  • the purpose of the present invention is to provide a comprehensive power generation and hydrogen storage system based on abandoned offshore oil and gas platforms, which combines offshore energy comprehensive power generation and offshore hydrogen production and hydrogen storage to achieve the purpose of offshore multiple energy development and utilization.
  • the present invention provides a comprehensive power generation and hydrogen storage system based on abandoned offshore oil and gas platforms, including a comprehensive power generation part, a hydrogen production part, and a hydrogen storage part built on the abandoned offshore oil and gas platform;
  • the integrated power generation part utilizes various ocean energy for integrated power generation, and transmits the electric power to the hydrogen production and storage part;
  • the hydrogen production part is a water electrolysis hydrogen production device, the water source in the electrolytic cell of the water electrolysis hydrogen production device is seawater, and the electric power is provided by the integrated power generation part;
  • the hydrogen storage part includes a hydrogen collection device and a rare earth alloy hydrogen storage device, the hydrogen collection device is respectively connected with the water electrolysis hydrogen production device and the rare earth alloy hydrogen storage device, the hydrogen collection device is powered by the
  • the comprehensive power generation part provides that the hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and under normal pressure, and then stored in the rare earth alloy hydrogen storage device in a bound state.
  • the integrated power generation part includes a variety of power generation devices such as wind power generation devices, solar power generation devices and wave energy power generation devices, and a storage battery that stores the power generation devices to generate electrical energy;
  • power generation devices such as wind power generation devices, solar power generation devices and wave energy power generation devices, and a storage battery that stores the power generation devices to generate electrical energy;
  • the storage battery is respectively connected with the water electrolysis hydrogen production device and the hydrogen collection device, and supplies power to the water electrolysis hydrogen production device and the hydrogen collection device.
  • the wind power generation device is a wind power generation device based on the Venturi effect.
  • the solar power generation device is a photovoltaic power generation array and its control circuit part.
  • the wave energy generating device includes a float, a rack, two transmission gears, two ratchet transmission components and a generator;
  • the float is driven by the waves to move up and down;
  • the rack is fixedly connected to the float and moves up and down synchronously with the float;
  • two transmission gears are respectively meshed on both sides of the rack, and one end of the two ratchet transmission components is respectively meshed with a transmission gear, The other end is connected to the input shaft of the generator;
  • the rising or falling of the rack drives the two transmission gears to rotate together, one of the transmission gears drives the corresponding ratchet transmission assembly to rotate, the ratchet transmission assembly drives the input shaft of the generator to rotate in the same direction, and the other transmission gear rotates idly.
  • the rare earth alloy hydrogen storage device is made of a rare earth alloy.
  • the rare earth alloy hydrogen storage device is a scandium alloy compound doped with 2% to 8% by weight of aluminum.
  • the aluminum doped in the rare earth alloy hydrogen storage device is 6% by weight
  • the present invention discloses the following technical effects:
  • the present invention makes full use of abandoned offshore oil and gas platforms, aims at the difficulty of deep-sea power transmission, makes full use of the abundant offshore energy sources according to local conditions, and uses the electricity generated on-site to electrolyze seawater to produce hydrogen and store hydrogen, turning the power transmission problem into hydrogen storage
  • the transportation problem reduces the difficulty and cost of energy transmission, and indirectly solves the problem of deep-sea power transmission.
  • hydrogen as a clean energy source, will not produce pollution during the preparation and use process.
  • the energy saving and emission reduction effect is very significant, which is very effective in reducing production. Cost-enhancing efficiency has important guiding significance;
  • the present invention uses abandoned offshore oil and gas platforms as carriers to build offshore wind generators, offshore photovoltaic modules and wave energy power generation devices, develop offshore energy in a three-dimensional manner, improve energy collection efficiency, and aim to organically combine various power generation systems to solve current problems.
  • the present invention performs comprehensive matching of offshore multi-energy power generation devices, and on this basis, realizes the conversion and storage of electric energy-hydrogen energy, and provides a complete set of offshore energy development-energy storage system.
  • This system is built based on the abandoned oil and gas platform.
  • Small and medium-sized venturi wind turbines are built around the platform for wind power generation, photovoltaic modules are installed on the top of the platform for photovoltaic power generation, and wave energy power generation devices are installed at the bottom.
  • Electrolyzed seawater is installed in the center of the platform to achieve Hydrogen storage can efficiently transform and utilize deep-sea energy that was difficult to develop in the past;
  • the present invention uses the deep-sea abandoned oil and gas platform to build this integrated power generation and conversion system, it greatly reduces the cost of offshore platform construction, while the safety factor is also guaranteed, and has a great low-cost advantage; the system has high power generation efficiency and safety It has strong performance, strong operation stability, convenient operation and strong feasibility. It is estimated that the cost of this system is 0.7-0.8 yuan per kilowatt-hour, which is close to the cost of onshore wind power. In addition, the system is simple to maintain, low in operating costs, and has a short payback period. The cost can be recovered in two to three years;
  • the hydrogen storage device of the present invention is a rare earth alloy compound.
  • the hydrogen storage alloy has a higher hydrogen storage capacity at a lower pressure (1 ⁇ 106Pa), which can reach more than 100kg/m 3 ; at the same time, the alloy undergoes frequent absorption. After the hydrogen is released, it will become powdered.
  • the hydrogen storage alloy is doped with different concentrations of aluminum to increase the service life of the hydrogen storage alloy. After testing, the hydrogen storage rare earth alloy doped with 6% by weight of aluminum is the most suitable concentration. , Its working life will be extended to more than 2 times, and other working parameters have not deteriorated.
  • Fig. 1 is a schematic structural diagram of a hydrogen storage system for comprehensive power generation and hydrogen production based on abandoned offshore oil and gas platforms according to an embodiment of the present invention
  • Fig. 2 is a schematic diagram of energy conversion according to an embodiment of the present invention.
  • 1-Wind power generation device 2-Light energy power generation device, 3-Storage battery, 4-Water electrolysis hydrogen production device, 5-Rare-earth alloy hydrogen storage device.
  • the purpose of the present invention is to provide a comprehensive power generation and hydrogen storage system based on abandoned offshore oil and gas platforms, which combines offshore energy comprehensive power generation and offshore hydrogen production and hydrogen storage to achieve the purpose of offshore multiple energy development and utilization.
  • Embodiment An integrated power generation hydrogen production and hydrogen storage system based on abandoned offshore oil and gas platforms, including an integrated power generation part, hydrogen production part and hydrogen storage part built on the abandoned offshore oil and gas platform.
  • the integrated power generation part includes a wind power generation device 1, a photovoltaic power generation device 2 and a wave energy power generation device, and a storage battery 3 that stores the electrical energy generated by the power generation device.
  • the storage battery 3 is respectively connected with the water electrolysis hydrogen production device 4 and the hydrogen collection device, and supplies power to the water electrolysis hydrogen production device 4 and the hydrogen collection device.
  • the wind power generation device 1 is a Venturi wind power generation device.
  • Venturi wind power generation has practical applications. It can be used for breeze power generation. Wind energy from 3.2km/h to 90km/h can be used. It has high power generation efficiency, strong safety performance, strong operation stability, low cost, and easy installation. maintain.
  • the actual applications at this stage are all large-scale wind turbines. This system uses scaled down small and medium-sized wind turbines, which have a wide range of applications.
  • the enclosed turbine generator set also avoids the risk of accidental injury to birds and maintenance personnel.
  • the noise and vibration are also smaller, and its blades are as much as 84% smaller than traditional fan blades.
  • the photovoltaic power generation device 2 is a photovoltaic power generation array.
  • the installation of photovoltaic power generation components on the surface of the abandoned oil and gas platform uses solar energy to generate electricity without being obstructed by other structures. It adapts to local conditions and increases the production capacity per unit area, which is in line with the theme of vigorous development and utilization of ocean energy in today's society.
  • the wave energy generating device realizes the transmission of wave energy from reciprocating motion to unidirectional rotating motion through a transmission mechanism to drive a generator to generate electricity.
  • It includes a float, a rack, two transmission gears, two ratchet transmission components and a generator; the float moves up and down under the drive of the sea waves; the rack and the float are fixedly connected to the float and move up and down synchronously with the float; the two transmission gears respectively mesh in On both sides of the rack, one end of the two ratchet transmission components meshes with a transmission gear, and the other end is connected with the input shaft of the generator; the rising or falling of the rack drives the two transmission gears to rotate together, and one of the transmission gears drives the corresponding
  • the ratchet drive assembly rotates, the ratchet drive assembly drives the input shaft of the generator to rotate in the same direction, and the other drive gear rotates idly.
  • the hydrogen production part is the water electrolysis hydrogen production device 4, the water source in the electrolysis cell of the water electrolysis hydrogen production device 4 is seawater, and the electric power is provided by the integrated power generation part.
  • a variety of offshore energy sources are efficiently collected, and energy conversion is achieved through hydrogen production and storage. The energy conversion is shown in Figure 2.
  • the hydrogen storage part includes a hydrogen collection device and a number of hydrogen storage devices 5.
  • the hydrogen collection device is connected to the water electrolysis hydrogen production device 4 and the hydrogen storage device 5 respectively.
  • the power of the hydrogen collection device is provided by the integrated power generation part, and the water electrolysis hydrogen production device 4
  • the taken hydrogen is collected by the hydrogen collecting device and stored in the rare earth alloy hydrogen storage device 5 in a bound state.
  • the current hydrogen storage methods mainly include: compressed hydrogen storage, liquefaction hydrogen storage, and rare earth alloy hydrogen storage.
  • Pressurized and compressed hydrogen storage is the most common hydrogen storage technology, and bulky steel cylinders are usually used as containers. Due to its low hydrogen density, its hydrogen storage efficiency is very low and its energy density is low, making it unsuitable for large-scale applications. Since hydrogen liquefaction consumes a lot of cooling energy, liquefying 1 kg of hydrogen requires electricity consumption of 4kW ⁇ h ⁇ 10kW ⁇ h, which increases the cost of hydrogen storage and hydrogen use.
  • the liquid hydrogen storage container must use a special container for ultra-low temperature. Therefore, its storage cost is more expensive, and the safety technology is also more complicated.
  • Rare earth metals have higher hydrogen storage capacity at lower pressure (1 ⁇ 10 6 Pa), which can reach more than 100 kg/m 3. However, the hydrogen storage metal will gradually become powder after frequent absorption and desorption of hydrogen.
  • the alloying of the hydrogen storage metal will hinder the accelerated release of helium from the solid-phase hydride, that is, it can increase the critical concentration.
  • Using the method of changing the helium-3 release kinetics in solid metal hydrides can significantly increase the working life of an instrument using alloyed scandium hydride compared to an instrument using pure scandium hydride.
  • the service life of the hydrogen storage alloy can be increased by doping the hydrogen storage alloy with different concentrations of aluminum.
  • the rare earth scandium alloy hydrogen storage device 5 doped with 6% by weight of aluminum can extend the service life of the alloy. To 2 times. Fully meet the requirements of the system.

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Abstract

一种基于海上废弃油气平台的综合发电制氢储氢系统，包括依附于海上废弃油气平台建立的综合发电部分、制氢部分和储氢部分；综合发电部分利用各种海洋能进行综合发电；制氢部分为水电解制氢装置（4），水电解制氢装置（4）的电解槽内水源为海水，电能由综合发电部分提供；储氢部分包括氢气收集装置和稀土合金储氢装置（5），水电解制氢装置（4）制取的氢气在常温从常压下收集，然后以束缚状态保存在固体稀土合金装置中。该制氢储氢系统因地制宜充分利用海上丰富的多种能源，就地利用发电电能进行电解海水制氢储氢，降低了生产成本提高了效益。

Description

一种基于海上废弃油气平台的综合发电制氢储氢系统
本申请要求于2020年06月02日提交中国专利局、申请号为202010490916.5、发明名称为“一种基于海上废弃油气平台的综合发电制氢储氢系统”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及新能源综合发电利用和储能技术领域，特别是涉及一种基于海上废弃油气平台的综合发电制氢储氢系统。
背景技术
海洋能蕴含量巨大，主要包括海上风能、海上光能、海浪能、海流能、海洋温差能、海洋盐差能等。
目前在海洋能利用上的现状是：除离岸的海浪能发电技术以外，海上风能、海上光能、近岸海浪能、海流能、海洋温差能、海洋盐差能等各种能源的发电技术都已研制成功，但由于设备成本较高，能量转化效率低等原因，导致实际应用较少。
其实利用这些能源发电，在工艺上并不是十分困难的。但是现在面对这么丰富的能源却并没有加以利用，其难以开发的主要的原因就是单一深海海洋能发电的成本太高，而且平台载体和输电困难也是制约其发展的另外两大技术瓶颈。
另一方面，随着油气行业毛利不断缩紧，世界各地的油气公司正不断寻求替代方案，以便解决行业中耗费最多成本的问题之一，即废弃石油平台的处理。目前来说，多数海上废弃油气平台仍然采取完全拆除的处理方式，但这种方式不仅耗资巨大，且浪费资源，因此，很多油气公司开始研究海上废弃油气平台再利用的方式，但大多还处于设想阶段，缺乏技术可行性。
如果能够基于海上废弃油气平台建立海洋能利用系统，无疑可以实现海上废弃油气平台的再利用，同时也能解决当前海洋能利用中存在的无平台载体、前期投入大等很多问题，推动海洋能的有效利用。
发明内容
基于此，本发明的目的是提供一种基于海上废弃油气平台的综合发电制氢储氢系统，结合海上能源综合发电和远海制氢储氢，达到海上多种能源开发利用的目的。
为实现上述目的，本发明提供了一种基于海上废弃油气平台的综合发电制氢储氢系统，包括依附于海上废弃油气平台建立的综合发电部分、制氢部分和储氢部分；
所述综合发电部分利用各种海洋能进行综合发电，并将电力输送至所述制氢储氢部分；
所述制氢部分为水电解制氢装置，所述水电解制氢装置的电解槽内水源为海水，电能由所述综合发电部分提供；
所述储氢部分包括氢气收集装置和稀土合金储氢装置，所述氢气收集装置分别与所述水电解制氢装置和所述稀土合金储氢装置连通，所述氢气收集装置的电力由所述综合发电部分提供，所述水电解制氢装置制取的氢气在常温从常压下收集，后以束缚状态保存在所述稀土合金储氢装置中。
优选地，所述综合发电部分包括风力发电装置、太阳能发电装置和波浪能发电装置的多种发电装置，以及储存发电装置产生电能的蓄电池；
所述蓄电池分别与所述水电解制氢装置和所述氢气收集装置相连接，向所述水电解制氢装置和所述氢气收集装置供电。
优选地，所述风力发电装置为基于文丘里效应的风力发电装置。
优选地，所述太阳能发电装置为光伏发电阵列及其控制电路部分。
优选地，所述波浪能发电装置包括浮子、齿条、两传动齿轮、两棘轮传动组件和发电机；
浮子在海浪的带动下，作升降运动；所述齿条与浮子固定连接，随浮子同步升降；两传动齿轮分别啮合在齿条的两侧，两棘轮传动组件的一端分别与一传动齿轮啮合，另一端与发电机的输入轴连接；
所述齿条的上升或下降带动两传动齿轮一起转动，其中一传动齿轮带动对应的棘轮传动组件转动，棘轮传动组件带动发电机的输入轴同方向转动，另一传动齿轮空转。
优选地，所述稀土合金储氢装置为稀土合金构成。
优选地，所述稀土合金储氢装置为掺杂2％～8％重量份铝的钪合金化合物。
优选地，所述稀土合金储氢装置掺杂的铝为6％重量份
根据本发明提供的具体实施例，本发明公开了以下技术效果：
(1)本发明充分利用海上废弃油气平台，针对深海输电困难的问题，因地制宜充分利用海上丰富的多种能源，就地利用发电电能进行电解海水制氢储氢，将电力传输问题变为氢气储存运输问题，降低能源传输难度和成本，间接解决了深海输送电困难的问题，同时氢气作为清洁能源，在制备过程中和使用过程中都不会产生污染，节能减排效果十分显著，对降低生产成本提高效益具有重要的指导意义；
(2)本发明以海上废弃油气平台为载体搭建海上风力发电机装置、海上光伏组件及波浪能发电装置，立体化开发海上能源，提高能量收集效率，旨在将各个发电系统有机结合，解决现有海上多种能源综合发电技术中存在的匹配问题；
(3)本发明将海上多种能源发电装置进行综合匹配，并在此基础上实现电能-氢能的转换和储存，提供了一套完整的海上能源开发-储能系统，以现有的海上废弃油气平台为基础来搭建本系统，在平台四周搭建中小型文丘里风电机进行风力发电，在平台上方架设光伏组件进行光伏发电，底部安装波浪能发电装置，在平台中央设置电解海水，实现制氢储氢，将以往难以开发的深海能源高效地转化利用起来；
(4)本发明由于借助深海废弃油气平台搭建此综合发电及转换系统，所以大大降低了海上平台建设的成本，同时安全系数也有保证，具有极大的低成本优势；本系统发电效率高，安全性能强，具有很强的运行稳定性，操作方便，可行性强。经估算，本系统每度电成本在0.7-0.8元，接近陆地风电成本。且本系统维护简单，运行成本低，投资回收期短，两至三年即可收回成本；
(5)本发明的储氢装置为稀土合金化合物，储氢合金在较低的压力(1×106Pa)下具有较高的储氢能力，可以达到100kg/m 3以上；同时针对合金经过频繁吸放氢后，会粉末化的问题，在储氢合金中掺杂不同浓度的铝，增加储氢合金的使用寿命，经过试验，掺杂6％重量份铝的储氢稀土合金 为最适宜的浓度，其工作寿命会延长到2倍以上，且其它工作参数并没有变坏。
说明书附图
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本发明实施例基于海上废弃油气平台的综合发电制氢储氢系统结构示意图；
图2为本发明实施例能量转化示意图；
1-风力发电装置、2-光能发电装置、3-蓄电池、4-水电解制氢装置、5-稀土合金储氢装置。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
本发明的目的是提供一种基于海上废弃油气平台的综合发电制氢储氢系统，结合海上能源综合发电和远海制氢储氢，达到海上多种能源开发利用的目的。
为使本发明的上述目的、特征和优点能够更加明显易懂，下面结合附图和具体实施方式对本发明作进一步详细的说明。
实施例：一种基于海上废弃油气平台的综合发电制氢储氢系统，包括依附于海上废弃油气平台建立的综合发电部分、制氢部分和储氢部分。
1、综合发电部分
通过在深海废弃油气平台上方搭建风力发电装置1、光能发电装置2和波浪能发电装置3，实现全方位、立体化海上能源综合发电，单位面积产能提高，节约了投资成本。且综合发电装置安全系数高，稳定性好，方便检修维护等。高效的收集海上多种能源，降低了发电成本。同时就地电 解海水制氢储氢，解决了深海电能输送困难的问题。系统结构示意图如图1。
综合发电部分包括风力发电装置1、光能发电装置2和波浪能发电装置，以及储存发电装置产生的电能的蓄电池3。蓄电池3分别与水电解制氢装置4和氢气收集装置相连接，向水电解制氢装置4和氢气收集装置供电。
1.1风力发电装置
风力发电装置1为文丘里风力发电装置。目前文丘里风力发电已经有实际应用，可用于微风发电从3.2km/h到90km/h的风能都可以利用，发电效率高，安全性能强，具有较强的运行稳定性且成本低、便于安装维护。但现阶段的实际应用都是大型的风力发电机，本系统采用等比例缩小的中小型风力发电机，应用面十分广泛。
相比于传统风机，不仅对风能的利用率更高，还可使其效率提高至年均6000小时以上，并且每年发电超过1000万度，其1度电的成本也就相当于2毛钱左右。同时，封闭式的涡轮电机组，也避免了意外伤害到飞禽和维修人员的风险，噪音和振动也更加微小，其叶片比传统风机叶片小84％之多。
1.2光能发电装置
光能发电装置2为光伏发电阵列。在废弃油气平台表面架设光伏发电组件，利用太阳能进行发电，不与其他结构发生遮挡，因地制宜，提高了单位面积产能，符合当今社会大力开发利用海洋能的主题。
1.3波浪能发电装置
波浪能发电装置通过传动机构实现波浪能从往复运动到单向旋转运动的传递来驱动发电机发电。
其包括浮子、齿条、两传动齿轮、两棘轮传动组件和发电机；浮子在海浪的带动下，作升降运动；所述齿条与浮子固定连接，随浮子同步升降；两传动齿轮分别啮合在齿条的两侧，两棘轮传动组件的一端分别与一传动齿轮啮合，另一端与发电机的输入轴连接；所述齿条的上升或下降带动两传动齿轮一起转动，其中一传动齿轮带动对应的棘轮传动组件转动，棘轮传动组件带动发电机的输入轴同方向转动，另一传动齿轮空转。
2、制氢部分和储氢部分
2.1制氢部分
海上发电由于陆地用户距离远，用海底电缆输电是不现实的，必须建立一个独立的“自产自销”式的发电系统，这就是海洋能开发需要克服的第二个问题，如果解决了这个问题，那么就可以大力开发无限的海洋能源。本系统解决的方案是在改造后的油气平台上利用多余或者全部的电能进行电解水制氢来进行蓄能，产品就是“氢、氧”等高能产品。这样就可以在任何海域进行综合发电而无后顾之忧，解决了这个问题才能实现海洋能的利用。
制氢部分为水电解制氢装置4，水电解制氢装置4的电解槽内水源为海水，电能由综合发电部分提供。将上述综合发电装置产生的电力有效利用，就地实现电解海水制氢储氢，提供了一套完整的综合发电-制氢储氢系统。将多种海上能源高效地收集，并通过制氢储氢实现能量的转换，能量转换如图2所示。
2.2储氢部分
储氢部分包括氢气收集装置和若干储氢装置5，氢气收集装置分别与水电解制氢装置4和储氢装置5连通，氢气收集装置的电力由综合发电部分提供，水电解制氢装置4制取的氢气被氢气收集装置收集后以束缚状态储存在稀土合金储氢装置5中。
目前氢气储存方法主要有：压缩储氢、液化储氢、稀土合金储氢。加压压缩储氢是最常见的一种储氢技术，通常采用笨重的钢瓶作为容器。由于氢密度小，故其储氢效率很低能量密度低，不适合大规模应用。由于氢气液化要消耗很大的冷却能量，液化1kg氢需耗电4kW·h～10kW·h，增加了储氢和用氢的成本。液氢储存容器必须使用超低温用的特殊容器。因而其储存成本较贵，安全技术也比较复杂。稀土金属在较低的压力(1×10 6Pa)下具有较高的储氢能力，可以达到100kg/m 3以上。不过储氢金属经过频繁吸放氢后，逐渐会粉末化。
储氢金属的合金化会阻碍氦从固相氢化物中的加速释放，也就是能增加临界浓度。采用改变固体金属氢化物中氦-3释放动力学的方法，能够使利用合金化钪氢化物的仪器，比起利用纯钪氢化物的仪器，其工作寿命 明显增加。
本实施例通过在储氢合金中掺杂不同浓度的铝可以增加储氢合金的使用寿命，经过试验，掺杂6％重量份铝的稀土钪合金储氢装置5，可以使合金的使用寿命延长到2倍。完全满足本系统的使用要求。
本说明书中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。
本文中应用了具体个例对本发明的原理及实施方式进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及其核心思想；同时，对于本领域的一般技术人员，依据本发明的思想，在具体实施方式及应用范围上均会有改变之处。综上所述，本说明书内容不应理解为对本发明的限制。

Claims (8)

  1. 一种基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，包括依附于海上废弃油气平台建立的综合发电部分、制氢部分和储氢部分；
    所述综合发电部分利用各种海洋能进行综合发电，并将电力输送至所述制氢储氢部分；
    所述制氢部分为水电解制氢装置，所述水电解制氢装置的电解槽内水源为海水，电能由所述综合发电部分提供；
    所述储氢部分包括氢气收集装置和稀土合金储氢装置，所述氢气收集装置分别与所述水电解制氢装置和所述稀土合金储氢装置连通，所述氢气收集装置的电力由所述综合发电部分提供，所述水电解制氢装置制取的氢气在常温从常压下收集，后以束缚状态保存在所述稀土合金储氢装置中。
  2. 根据权利要求1所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述综合发电部分包括风力发电装置、太阳能发电装置和波浪能发电装置的多种发电装置，以及储存发电装置产生电能的蓄电池；
    所述蓄电池分别与所述水电解制氢装置和所述氢气收集装置相连接，向所述水电解制氢装置和所述氢气收集装置供电。
  3. 根据权利要求2所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述风力发电装置为基于文丘里效应的风力发电装置。
  4. 根据权利要求2所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述太阳能发电装置为光伏发电阵列及其控制电路部分。
  5. 根据权利要求2所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述波浪能发电装置包括浮子、齿条、两传动齿轮、两棘轮传动组件和发电机；
    浮子在海浪的带动下，作升降运动；所述齿条与浮子固定连接，随浮子同步升降；两传动齿轮分别啮合在齿条的两侧，两棘轮传动组件的一端分别与一传动齿轮啮合，另一端与发电机的输入轴连接；
    所述齿条的上升或下降带动两传动齿轮一起转动，其中一传动齿轮带 动对应的棘轮传动组件转动，棘轮传动组件带动发电机的输入轴同方向转动，另一传动齿轮空转。
  6. 根据权利要求1所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述稀土合金储氢装置为稀土合金构成。
  7. 根据权利要求6所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述稀土合金储氢装置为掺杂2％～8％重量份铝的钪合金化合物。
  8. 根据权利要求7所述的基于海上废弃油气平台的综合发电制氢储氢系统，其特征在于，所述稀土合金储氢装置掺杂的铝为6％重量份。
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