LU500725B1 - Comprehensive power generation hydrogen production and storage system based on offshore abandoned oil and gas platform - Google Patents

Comprehensive power generation hydrogen production and storage system based on offshore abandoned oil and gas platform Download PDF

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Publication number
LU500725B1
LU500725B1 LU500725A LU500725A LU500725B1 LU 500725 B1 LU500725 B1 LU 500725B1 LU 500725 A LU500725 A LU 500725A LU 500725 A LU500725 A LU 500725A LU 500725 B1 LU500725 B1 LU 500725B1
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LU
Luxembourg
Prior art keywords
power generation
hydrogen
hydrogen production
offshore
comprehensive power
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LU500725A
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German (de)
Inventor
Qingqiang Sun
Yong Qin
Youxin Zou
Shaoyang Ren
Bo Xu
Xuezhen Yuan
Yi Zhang
Xiaoxue Shan
Hai Jiang
Haiyun Liu
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Univ Jiangsu Ocean
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Publication of LU500725B1 publication Critical patent/LU500725B1/en

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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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • 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
    • Y02E10/50—Photovoltaic [PV] 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind 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
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Wind Motors (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)

Abstract

The present disclosure discloses a comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform, which comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are attached to the offshore abandoned oil and gas platform. The comprehensive power generation part uses various ocean energy to carry out comprehensive power generation; the hydrogen production part is a water electrolysis hydrogen production device, the water source in an electrolytic cell of the water electrolysis hydrogen production device is seawater, and the electric energy is provided by the comprehensive power generation part; the hydrogen storage part comprises a hydrogen collection device and a rare earth alloy hydrogen storage device, and hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and under normal pressure, and then stored in a solid rare earth alloy device in a bound state. According to local conditions, the present disclosure makes full use of various abundant energy sources at sea, and uses the generated electric energy to electrolyze seawater to produce hydrogen and store hydrogen locally, which has important guiding significance for reducing production cost and improving benefit.

Description

COMPREHENSIVE POWER GENERATION HYDROGEN PRODUCTION LUS00725
AND STORAGE SYSTEM BASED ON OFFSHORE ABANDONED OIL AND
GAS PLATFORM This patent application claims the benefit and priority of Chinese Patent Application No. 202010490916.5, filed on June 02, 2020, the disclosure of which is incorporated by reference herein in its entirety as part of the present application.
TECHNICAL FIELD
[01] The present disclosure relates to the technical field of comprehensive power generation utilization and energy storage of new energy resources, in particular to a comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform.
BACKGROUND ART
[02] Ocean energy is abundant, mainly including offshore wind energy, offshore light energy, sea wave energy, ocean current energy, ocean temperature difference energy, ocean salt difference energy, etc.
[03] At present, the current situation of ocean energy utilization is that besides offshore wave power generation technology, offshore wind energy, offshore light energy, nearshore wave energy, ocean current energy, ocean temperature difference energy, ocean salt difference energy and other energy power generation technologies have been successfully developed, but due to the high device cost and low energy conversion efficiency, the actual application is less.
[04] In fact, it is not very difficult to use these energy sources to generate power in the process. However, in the face of such abundant energy, it has not been utilized. The main reason why it is difficult to develop is that the cost of single deep-sea ocean power generation is too high, and the platform carrier and power transmission difficulties are the other two major technical bottlenecks that restrict its development.
[05] On the other hand, with the shrinking gross profit of oil and gas industry, oil and gas companies all over the world are constantly seeking alternatives to solve one of the problems with the highest cost in the industry, that is, the disposal of an abandoned oil platform. At present, most offshore abandoned oil and gas platforms are still completely dismantled, but this method not only costs a lot, but also wastes resources. Therefore, many oil and gas companies begin to study the methods of reusing offshore abandoned oil and gas platforms, but most of the methods are still in the tentative stage and lack of technical feasibility.
[06] If an ocean energy utilization system can be established based on an offshore abandoned oil and gas platform, it will undoubtedly realize the reuse of an offshore abandoned oil and gas platform, and at the same time, solve many problems existing in the current ocean energy utilization, such as no platform carrier, large initial investment and so on, and promote the effective utilization of ocean energy.
SUMMARY 1
[07] Based on this, the purpose of the present disclosure is to provide a LU500725 comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform, which combines offshore energy comprehensive power generation and offshore hydrogen production and storage to achieve the purpose of development and utilization of various offshore energy sources.
[08] In order to achieve the above purpose, the present disclosure provides a comprehensive power generation hydrogen storage system based on an offshore abandoned oil and gas platform, which comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are attached to the offshore abandoned oil and gas platform;
[09] wherein the comprehensive power generation part uses various ocean energy to carry out comprehensive power generation and transmits the power to the hydrogen production part and the hydrogen storage part;
[10] the hydrogen production part is a water electrolysis hydrogen production device, the water source in an electrolytic cell of the water electrolysis hydrogen production device is seawater, and the electric energy is provided by the comprehensive power generation part;
[11] the hydrogen storage part comprises a hydrogen collection device and a rare earth alloy hydrogen storage device, the hydrogen collection device is communicated with the water electrolysis hydrogen production device and the rare earth alloy hydrogen storage device, respectively, the power of the hydrogen collection device 1s provided by the comprehensive power generation part, and hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and under normal pressure, and then stored in a solid rare earth alloy device in a bound state.
[12] Preferably, the comprehensive power generation part comprises various power generation devices such as wind power generation devices, solar power generation devices and wave power generation devices, and a storage battery for storing electric energy generated by the power generation device;
[13] the storage battery is connected with the water electrolysis hydrogen production device and the hydrogen collection device, respectively, and supplies power to the water electrolysis hydrogen production device and the hydrogen collection device.
[14] Preferably, the wind power generation device is a wind power generation device based on Venturi effect.
[15] Preferably, the solar power generation device is a photovoltaic power generation array and its control circuit part.
[16] Preferably, the wave power generation device comprises a float, a rack, two transmission gears, two ratchet transmission components and a generator;
[17] the float rises and falls under the driving of sea waves; the rack is fixedly connected with the float and rises and falls synchronously with the float; two transmission gears are engaged with both sides of the rack, respectively, one end of the two ratchet transmission components is engaged with a transmission gear, respectively, and the other end is connected with the input shaft of the generator;
[18] the rising or falling of the rack drives two transmission gears to rotate together, one of the transmission gears drives the corresponding ratchet transmission component 2 to rotate, the ratchet transmission component drives the input shaft of the generator to LU500725 rotate in the same direction, and the other transmission gear idles.
[19] Preferably, the rare earth alloy hydrogen storage device is made of rare earth alloy.
[20] Preferably, the rare earth alloy hydrogen storage device is scandium alloy compound doped with 2%-8% by weight of aluminum.
[21] Preferably, the aluminum doped in the rare earth alloy hydrogen storage device is 6% by weight.
[22] According to the specific embodiment provided by the present disclosure, the present disclosure discloses the following technical effects:
[23] (1) The present disclosure makes full use of the offshore abandoned oil and gas platform, aiming at the problem of difficult deep-sea power transmission, makes full use of various abundant energy sources at sea according to local conditions, uses the generated electric energy to electrolyze seawater to produce hydrogen and store hydrogen locally, changes the power transmission problem into a hydrogen storage and transportation problem, reduces the difficulty and cost of energy transmission, and indirectly solves the problem of difficult deep-sea power transmission. At the same time, hydrogen, as a clean energy source, will not cause pollution in the preparation process and the use process, and has remarkable energy saving and emission reduction effects, which has important guiding significance for reducing production cost and improving benefit.
[24] (2) In the present disclosure, the offshore wind power generation device, the offshore photovoltaic module and the wave power generation device are built with the offshore abandoned oil and gas platform as the carrier, so as to develop the offshore energy in a three-dimensional way and improve the energy collection efficiency, aiming at organically combining various power generation systems and solving the matching problem existing in the existing offshore multi-energy comprehensive power generation technology.
[25] (3) The present disclosure comprehensively matches various offshore energy power generation devices, realizes the conversion and storage of electric energy and hydrogen energy on this basis, and provides a complete offshore energy development and storage system. The system is built on the basis of the existing offshore abandoned oil and gas platform. Small-and medium-Venturi wind turbines are built around the platform for wind power generation, photovoltaic modules are erected above the platform for photovoltaic power generation, wave power generation devices are installed at the bottom, and seawater electrolysis is arranged in the center of the platform to realize hydrogen production and hydrogen storage, which efficiently converts and utilizes deep-sea energy resources that were difficult to develop in the past.
[26] (4) Because the comprehensive power generation and conversion system is built by means of the deep-sea abandoned oil and gas platform, the construction cost of the offshore platform is greatly reduced, and the safety factor is also guaranteed, thus having a great low-cost advantage; the system has high power generation efficiency, strong safety performance, strong operation stability, convenient operation and strong feasibility. It is estimated that the cost per kilowatt-hour of this system is 0.7-0.8 yuan, 3 which is close to the cost of onshore wind power. Moreover, the system has simple LU500725 maintenance, low operating cost and short investment recovery period, and the cost can be recovered in two to three years.
[27] (5) The hydrogen storage device of the present disclosure is a rare earth alloy compound, and the hydrogen storage alloy has higher hydrogen storage capacity at lower pressure (1x10°Pa), which can reach more than 100kg/m*. At the same time, aiming at the problem that the alloy will be powdered after absorbing and releasing hydrogen frequently, different concentrations of aluminum are doped in the hydrogen storage alloy to prolong the service life of the hydrogen storage alloy. After tests, the hydrogen storage rare earth alloy doped with 6% by weight of aluminum is the most suitable concentration, its service life will be prolonged to more than 2 times, and other working parameters are not deteriorated.
BRIEF DESCRIPTION OF THE DRAWINGS
[28] In order to explain the embodiments of the present disclosure or the technical scheme in the prior art more clearly, the drawings needed in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present disclosure. For those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.
[29] FIG. 1 is a schematic structural diagram of a comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to an embodiment of the present disclosure.
[30] FIG. 2 is a schematic diagram of energy conversion according to an embodiment of the present disclosure.
[31] Reference signs in drawings: 1-wind power generation device, 2-light energy generation device, 3-storage battery, 4-water electrolysis hydrogen production device, S-rare earth alloy hydrogen storage device.
DETAILED DESCRIPTION OF THE EMBODIMENTS
[32] The technical scheme in the embodiments of the present disclosure will be described clearly and completely with reference to the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only some embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without paying creative labor belong to the scope of protection of the present disclosure.
[33] The purpose of the present disclosure is to provide a comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform, which combines offshore energy comprehensive power generation and offshore hydrogen production and storage to achieve the purpose of development and utilization of various offshore energy sources.
[34] In order to make the above objects, features and advantages of the present disclosure more obvious and understandable, the present disclosure will be further explained in detail hereinafter with reference to the drawings and specific embodiments. 4
[35] Embodiment: A comprehensive power generation hydrogen production and LU500725 storage system based on an offshore abandoned oil and gas platform comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are attached to the offshore abandoned oil and gas platform
[36] 1. Comprehensive power generation part
[37] By building the wind power generation device 1, the light energy generation device 2 and the wave power generation device 3 above the deep-sea abandoned oil and gas platform, omnibearing and three-dimensional offshore energy comprehensive power generation is realized, the productivity per unit area is improved, and the investment cost is saved. Moreover, the comprehensive power generation device has high safety factor, good stability and convenient overhaul and maintenance. Various offshore energy resources are efficiently collected, reducing power generation costs. At the same time, seawater is electrolyzed to produce hydrogen and store hydrogen locally, which solves the problem of difficult transmission of deep-sea electric energy. The schematic structural diagram of the system is as shown in FIG. 1.
[38] The comprehensive power generation part comprises a wind power generation device 1, a light energy generation device 2, a wave power generation device, and a storage battery 3 for storing electric energy generated by the power generation device. The storage battery 3 is connected with the water electrolysis hydrogen production device 4 and the hydrogen collection device, respectively, and supplies power to the water electrolysis hydrogen production device 4 and the hydrogen collection device.
[39] 1.1 wind power generation device
[40] The wind power generation device 1 is a Venturi wind power generation device. At present, Venturi wind power generation has been applied in practice, which can be used for breeze power generation which can utilize the wind energy from 3.2km/h to 90km/h, which has high power generation efficiency, strong safety performance, strong operation stability, low cost and convenient installation and maintenance. However, the practical applications at this stage are all large-scale wind turbines, and the system adopts small- and medium-sized wind turbines with equal scale reduction, which has a wide range of applications.
[41] Compared with the traditional wind turbine, the wind power generation device not only has higher utilization rate of wind energy, but also can improve its efficiency to more than 6000 hours per year, generating more than 10 million kWh of power per year. The cost of 1 kWh of power is equivalent to about 20 cents. At the same time, the closed turbo-motor unit avoids the risk of accidental injury to birds and maintenance personnel, the noise and vibration are also smaller, and its blades are smaller than those of traditional fans by 84%.
[42] 1.2 light energy power generation device
[43] The light energy power generation device 2 is a photovoltaic generating array. Photovoltaic power generation modules are erected on the surface of abandoned oil and gas platforms, using solar energy to generate power without shielding from other structures, adapting to local conditions, improving the productivity per unit area, and meeting the theme of vigorously developing and utilizing ocean energy in nowadays society.
[44] 1.3 wave power generation device LU500725
[45] The wave power generation device realizes the transmission of wave energy from reciprocating motion to unidirectional rotating motion through a transmission mechanism to drive a generator to generate power.
[46] The wave power generation device comprises a float, a rack, two transmission gears, two ratchet transmission components and a generator, the float rises and falls under the driving of sea waves; the rack is fixedly connected with the float and rises and falls synchronously with the float; two transmission gears are engaged with both sides of the rack, respectively, one end of the two ratchet transmission components is engaged with a transmission gear, respectively, and the other end is connected with the input shaft of the generator; the rising or falling of the rack drives two transmission gears to rotate together, one of the transmission gears drives the corresponding ratchet transmission component to rotate, the ratchet transmission component drives the input shaft of the generator to rotate in the same direction, and the other transmission gear idles.
[47] 2. Hydrogen production part and hydrogen storage part
[48] 2.1 hydrogen production part
[49] Because of the long distance between land users, it is unrealistic to use submarine cables to transmit power for offshore power generation. It is necessary to establish an independent "self-produced and self-sold" power generation system, which is the second problem that needs to be overcome in ocean energy development. If this problem is solved, unlimited ocean energy can be vigorously developed. The solution of this system is to use excess or all electric energy to electrolyze water to produce hydrogen for energy storage on the reformed oil and gas platform, and the products are high-energy products such as "hydrogen and oxygen". In this way, comprehensive power generation can be carried out in any sea area without worries. Only by solving this problem can the utilization of ocean energy be realized.
[50] The hydrogen production part is a water electrolysis hydrogen production device 4, the water source in an electrolytic cell of the water electrolysis hydrogen production device 4 is seawater, and the electric energy is provided by the comprehensive power generation part. The electric power generated by the comprehensive power generation device is effectively utilized to electrolyze seawater to produce hydrogen and store hydrogen locally. A complete comprehensive power generation-hydrogen production and storage system is provided. A variety of offshore energy sources are efficiently collected, and energy conversion is realized by hydrogen production and storage. The energy conversion is as shown in FIG. 2. [S1] 2.2 hydrogen storage part [S2] The hydrogen storage part comprises a hydrogen collection device and a plurality of hydrogen storage devices 5, the hydrogen collection device is communicated with 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 comprehensive power generation part, and hydrogen produced by the water electrolysis hydrogen production device 4 is collected and then stored in the rare earth alloy hydrogen storage device 5 in a bound state.
6
[S3] At present, hydrogen storage methods mainly include compression hydrogen LU500725 storage, liquefaction hydrogen storage and rare earth alloy hydrogen storage. Compression hydrogen storage is the most common hydrogen storage technology, which usually uses heavy steel cylinders as containers. Because of its low hydrogen density, its hydrogen storage efficiency is very low and its energy density is low, so that it is not suitable for large-scale application. Because the liquefaction of hydrogen consumes a lot of cooling energy, the liquefaction of 1kg of hydrogen consumes 4 kWh to 10 kW:h of power, which increases the cost of hydrogen storage and utilization. Liquid hydrogen storage containers must use special containers for ultra-low temperature. Therefore, its storage cost is high and its safety technology is complicated. Rare earth metals have higher hydrogen storage capacity at lower pressure (1x10°Pa), which can reach more than 100kg/m*. However, hydrogen storage metals will gradually become powdered after frequent absorption and release of hydrogen. [S4] The alloying of hydrogen storage metals will hinder the accelerated release of helium from solid hydride, that is, it can increase the critical concentration. By using the method of changing the release kinetics of helium-3 in solid metal hydride, the service life of the instrument using alloyed scandium hydride can be obviously prolonged compared with that using pure scandium hydride. [S5] In this embodiment, the service life of the hydrogen storage alloy can be prolonged by doping different concentrations of aluminum into the hydrogen storage alloy. After tests, the rare earth scandium alloy hydrogen storage device 5 doped with 6% by weight of aluminum can prolong the service life of the alloy to 2 times, which completely meets the use requirements of this system. [S6] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. It is sufficient to refer to the same and similar parts among various embodiments. [S7] In the present disclosure, a specific example is applied to illustrate the principle and implementation of the present disclosure, and the explanation of the above embodiments is only used to help understand the method and its core idea of the present disclosure. At the same time, according to the idea of the present disclosure, there will be some changes in the specific implementation and application scope for those skilled in the art. To sum up, the contents of this specification should not be construed as limiting the present disclosure.
7

Claims (8)

WHAT IS CLAIMED IS: LUS00725
1. A comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform, which comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are attached to the offshore abandoned oil and gas platform; wherein the comprehensive power generation part uses various ocean energy to carry out comprehensive power generation and transmits the power to the hydrogen production part and the hydrogen storage part; the hydrogen production part is a water electrolysis hydrogen production device, the water source in an electrolytic cell of the water electrolysis hydrogen production device is seawater, and the electric energy is provided by the comprehensive power generation part; the hydrogen storage part comprises a hydrogen collection device and a rare earth alloy hydrogen storage device, the hydrogen collection device is communicated with the water electrolysis hydrogen production device and the rare earth alloy hydrogen storage device, respectively, the power of the hydrogen collection device is provided by the comprehensive power generation part, and hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and under normal pressure, and then stored in a solid rare earth alloy device in a bound state.
2. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 1, wherein the comprehensive power generation part comprises various power generation devices such as wind power generation devices, solar power generation devices and wave power generation devices, and a storage battery for storing electric energy generated by the power generation device; the storage battery is connected with the water electrolysis hydrogen production device and the hydrogen collection device, respectively, and supplies power to the water electrolysis hydrogen production device and the hydrogen collection device.
3. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 2, wherein the wind power generation device is a wind power generation device based on Venturi effect.
4. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 2, wherein the solar power generation device is a photovoltaic power generation array and its control circuit part.
5. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 2, wherein the wave power generation device comprises a float, a rack, two transmission gears, two ratchet transmission components and a generator; the float rises and falls under the driving of sea waves; the rack is fixedly connected with the float and rises and falls synchronously with the float; two transmission gears are engaged with both sides of the rack, respectively, one end of the 1 two ratchet transmission components is engaged with a transmission gear, respectively, LU500725 and the other end is connected with the input shaft of the generator; the rising or falling of the rack drives two transmission gears to rotate together, one of the transmission gears drives the corresponding ratchet transmission component to rotate, the ratchet transmission component drives the input shaft of the generator to rotate in the same direction, and the other transmission gear idles.
6. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 1, wherein the rare earth alloy hydrogen storage device is made of rare earth alloy.
7. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 6, wherein the rare earth alloy hydrogen storage device is scandium alloy compound doped with 2%-8% by weight of aluminum.
8. The comprehensive power generation hydrogen production and storage system based on an offshore abandoned oil and gas platform according to claim 7, wherein the aluminum doped in the rare earth alloy hydrogen storage device is 6% by weight.
2
LU500725A 2020-06-02 2021-04-07 Comprehensive power generation hydrogen production and storage system based on offshore abandoned oil and gas platform LU500725B1 (en)

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