CN212177326U - Comprehensive power generation hydrogen production and storage system based on offshore waste oil-gas platform - Google Patents
Comprehensive power generation hydrogen production and storage system based on offshore waste oil-gas platform Download PDFInfo
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- CN212177326U CN212177326U CN202020983887.1U CN202020983887U CN212177326U CN 212177326 U CN212177326 U CN 212177326U CN 202020983887 U CN202020983887 U CN 202020983887U CN 212177326 U CN212177326 U CN 212177326U
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 139
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 139
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 132
- 238000010248 power generation Methods 0.000 title claims abstract description 90
- 238000003860 storage Methods 0.000 title claims abstract description 70
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- 239000007789 gas Substances 0.000 title claims abstract description 30
- 239000002699 waste material Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 24
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 22
- 239000000956 alloy Substances 0.000 claims abstract description 22
- 229910052761 rare earth metal Inorganic materials 0.000 claims abstract description 17
- 150000002910 rare earth metals Chemical class 0.000 claims abstract description 17
- 239000013535 sea water Substances 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims description 41
- 230000001174 ascending effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 12
- 230000008901 benefit Effects 0.000 abstract description 5
- 150000002431 hydrogen Chemical class 0.000 abstract description 5
- 239000007787 solid Substances 0.000 abstract description 2
- 238000006243 chemical reaction Methods 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000011161 development Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 229910000542 Sc alloy Inorganic materials 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- -1 scandium hydride Chemical compound 0.000 description 2
- 229910000046 scandium hydride Inorganic materials 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000005275 alloying Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- SWQJXJOGLNCZEY-BJUDXGSMSA-N helium-3 atom Chemical compound [3He] SWQJXJOGLNCZEY-BJUDXGSMSA-N 0.000 description 1
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- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
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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
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—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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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
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Abstract
The utility model discloses a comprehensive power generation hydrogen production and storage system based on a marine waste oil-gas platform, which comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are built depending on the marine waste oil-gas platform; the comprehensive power generation part utilizes various ocean energies to carry out comprehensive power generation; the hydrogen production part is a water electrolysis hydrogen production device, a water source in an electrolytic bath of the water electrolysis hydrogen production device is seawater, and 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 from normal temperature and normal pressure and then stored in the solid rare earth alloy device in a bound state. The utility model makes full use of abundant energy sources at sea according to local conditions, utilizes the generated electricity to electrolyze seawater to produce hydrogen and store hydrogen, and has important guiding significance for reducing production cost and improving benefit.
Description
Technical Field
The utility model belongs to the technical field of new forms of energy are synthesized and are generated electricity and utilize and the energy storage, specifically relate to a synthesize device that generates electricity and hydrogen manufacturing store up hydrogen.
Background
The ocean energy has huge content, and mainly comprises offshore wind energy, offshore light energy, sea wave energy, ocean current energy, ocean temperature difference energy, ocean salt difference energy and the like.
The current situation of ocean energy utilization is as follows: besides offshore wave energy power generation technology, power generation technologies of various energy sources such as offshore wind energy, offshore light energy, offshore wave energy, ocean current energy, ocean temperature difference energy, ocean salt difference energy and the like are developed successfully, but the practical application is less due to higher equipment cost, low energy conversion efficiency and the like.
In fact, it is not very difficult to generate electricity by using these energy sources. However, the abundant energy is not utilized at present, and the main reason for the difficulty in development is that the cost of power generation by single deep sea ocean energy is too high, and the difficulty of platform carrier and power transmission is two other technical bottlenecks which limit the development of the power generation.
On the other hand, as the oil and gas industry shrinks, oil and gas companies around the world are continually seeking alternatives to address one of the most costly problems in the industry, namely the disposal of the abandoned oil platform. At present, most offshore abandoned oil and gas platforms still adopt a completely-dismantled treatment mode, but the mode is huge in cost and wastes resources, so that many oil and gas companies begin to research the mode of reusing the offshore abandoned oil and gas platforms, but most of the offshore abandoned oil and gas platforms are still in an assumed stage and lack of technical feasibility.
If can be based on marine abandonment oil gas platform and establish ocean energy utilization system, can realize the reuse of marine abandonment oil gas platform undoubtedly, also can solve the platform-free carrier that exists in the current ocean energy utilization simultaneously, throw into a lot of problems such as big earlier stage simultaneously, promote the effective utilization of ocean energy.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims to provide a hydrogen system is stored up in comprehensive electricity generation hydrogen manufacturing based on marine abandonment oil gas platform to the not enough of prior art, combine the marine energy to synthesize electricity generation and open sea hydrogen manufacturing hydrogen storage, reach the purpose of marine multiple energy development utilization.
The technical scheme is as follows: the comprehensive power generation hydrogen production and storage system based on the offshore waste oil and gas platform comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are built depending on the offshore waste oil and gas platform;
the comprehensive power generation part generates power by using various ocean energy sources 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, a water source in an electrolytic bath of the water electrolysis hydrogen production device is seawater, and electric energy is provided by the comprehensive power generation part;
the hydrogen storage part comprises a hydrogen collecting device and a rare earth alloy hydrogen storage device, the hydrogen collecting device is respectively communicated with the water electrolysis hydrogen production device and the rare earth alloy hydrogen storage device, the power of the hydrogen collecting device is provided by the comprehensive power generation part, and the hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and normal pressure and then stored in the rare earth alloy hydrogen storage device in a bound state.
The further optimized technical proposal of the utility model is that the comprehensive power generation part comprises one or more power generation devices of a wind power generation device, a light energy power generation device and a wave energy power generation device, and a storage battery for storing the electric energy generated by the power generation devices;
the storage battery is respectively connected with the water electrolysis hydrogen production device and the hydrogen collecting device and supplies power to the water electrolysis hydrogen production device and the hydrogen collecting device.
Preferably, the wind power generation device is a wind power generation device based on the venturi effect.
Preferably, the light energy generating device is a photovoltaic power generating array and a control circuit part thereof.
Preferably, the wave energy power generation device comprises a floater, a rack, two transmission gears, two ratchet wheel transmission assemblies and a generator;
the floater is driven by sea waves to do lifting motion; the rack is fixedly connected with the floater and synchronously ascends and descends along with the floater; two transmission gears are respectively meshed with two sides of the rack, one end of each ratchet transmission assembly is respectively meshed with one transmission gear, and the other end of each ratchet transmission assembly is connected with an input shaft of the generator;
the ascending or descending of the rack drives the 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.
Preferably, the hydrogen storage device is composed of a rare earth alloy.
Preferably, the hydrogen storage device is a scandium alloy compound doped with 2% -8% by weight of aluminum.
Preferably, the rare earth alloy hydrogen storage device is doped with 6% by weight of aluminum.
Has the advantages that: (1) the utility model discloses make full use of marine abandonment oil gas platform, to the problem of deep sea transmission of electricity difficulty, make full use of abundant multiple energy at sea according to local conditions, utilize the electricity generation electric energy to carry out electrolysis sea water hydrogen manufacturing and store up hydrogen on the spot, become the power transmission problem hydrogen storage transportation problem, reduce energy transmission degree of difficulty and cost, indirectly solved the problem of deep sea transmission of electricity difficulty, hydrogen is as clean energy simultaneously, can not produce the pollution in the preparation process and in the use, energy saving and emission reduction effect is very showing, have important guiding significance to reducing production cost and improving benefit;
(2) the utility model discloses use marine abandonment oil gas platform to build offshore wind power generation device, marine photovoltaic module and wave energy power generation facility as the carrier, the marine energy of three-dimensional development, improve energy collection efficiency aims at combining each power generation system organically, solves the matching problem that exists in the current marine multiple energy comprehensive power generation technique;
(3) the utility model discloses carry out comprehensive matching with marine multiple energy power generation facility, and realize electric energy-hydrogen energy's conversion and storage on this basis, a set of complete marine energy development-energy storage system is provided, set up this system with current marine abandonment oil gas platform as the basis, set up middle-size and small-size venturi wind motor around the platform and carry out wind power generation, set up photovoltaic module above the platform and carry out photovoltaic power generation, the wave energy power generation facility is installed to the bottom, set up the electrolysis sea water in the platform center, realize hydrogen production is stored up, the deep sea energy that was difficult to develop in the past is high-efficiently converted and utilized;
(4) the comprehensive power generation and conversion system is built by means of the deep sea waste oil-gas platform, so that the cost of offshore platform construction is greatly reduced, the safety factor is ensured, and the comprehensive power generation and conversion system has the advantage of extremely low cost; the system has the advantages of high power generation efficiency, strong safety performance, strong operation stability, convenient operation and strong feasibility. Through estimation, the cost of electricity per degree of the system is 0.7-0.8 yuan, which is close to the cost of land wind power. The system is simple to maintain, low in operation cost and short in investment recovery period, and the cost can be recovered in two to three years;
(5) the hydrogen storage device of the utility model is a rare earth alloy compound, and the hydrogen storage alloy has higher hydrogen storage capacity under lower pressure (1 multiplied by 106 Pa), which can reach more than 100kg/m 3; meanwhile, aiming at the problem that the alloy can be powdered after frequent hydrogen absorption and desorption, the hydrogen storage alloy is doped with aluminum with different concentrations, so that the service life of the hydrogen storage alloy is prolonged, and through tests, the hydrogen storage rare earth alloy doped with 6 weight percent of aluminum has the optimum concentration, the service life of the hydrogen storage rare earth alloy is prolonged to more than 2 times, and other working parameters are not deteriorated.
Drawings
Fig. 1 is a schematic diagram of the system structure of the present invention;
FIG. 2 is a schematic diagram of the energy conversion of the present invention;
1-wind power generation device, 2-light energy power generation device, 3-storage battery, 4-water electrolysis hydrogen production device and 5-hydrogen storage device.
Detailed Description
The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the embodiments.
Example (b): a comprehensive power generation hydrogen production and storage system based on a marine waste oil and gas platform comprises a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are attached to the marine waste oil and gas platform.
1. Integrated power generation section
By building the wind power generation device 1, the light energy power generation device 2 and the wave energy power generation device 3 above the deep sea waste oil-gas platform, comprehensive and three-dimensional offshore energy comprehensive power generation is realized, the productivity per unit area is improved, and the investment cost is saved. And the comprehensive power generation device has high safety coefficient, good stability, convenient maintenance and the like. Various offshore energy sources are efficiently collected, and the power generation cost is reduced. Meanwhile, seawater is electrolyzed on site to produce hydrogen and store hydrogen, so that the problem of difficult deep sea electric energy transmission is solved. The system structure is schematically shown in figure 1.
The comprehensive power generation part comprises a wind power generation device 1, a light energy power generation device 2, a wave energy power generation device and a storage battery 3 for storing electric 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 collecting device and supplies power to the water electrolysis hydrogen production device 4 and the hydrogen collecting device.
1.1 wind power generation plant
The wind power generation device 1 is a venturi wind power generation device. At present, the Venturi wind power generation has practical application, can be used for breeze power generation from 3.2km/h to 90km/h, can be utilized, has high power generation efficiency and strong safety performance, has stronger operation stability, is low in cost and is convenient to install and maintain. However, the actual application at the present stage is a large-scale wind driven generator, and the system adopts a small and medium-scale wind driven generator with the same scale, so that the application range is very wide.
Compared with the traditional fan, the wind energy utilization rate is higher, the efficiency can be improved to more than 6000 hours per year, the electricity generation is more than 1000 ten thousand degrees per year, and the cost of 1 degree electricity is about 2 gross money. Meanwhile, the closed turbine motor set also avoids the risk of accidentally injuring birds and maintenance personnel, the noise and the vibration are smaller, and the blades of the turbine motor set are 84% smaller than those of the traditional fan blades.
1.2 light energy generating device
The light energy power generation device 2 is a photovoltaic power generation array. The photovoltaic power generation assembly is erected on the surface of the waste oil-gas platform, solar energy is utilized to generate power, the solar energy is not shielded from other structures, the unit area capacity is improved according to local conditions, and the theme of vigorously developing and utilizing ocean energy in the current society is met.
1.3 wave energy power generation device
The wave energy power generation device realizes the transmission of wave energy from reciprocating motion to unidirectional rotation motion through a transmission mechanism to drive a generator to generate power.
The device comprises a floater, a rack, two transmission gears, two ratchet wheel transmission assemblies and a generator; the floater is driven by sea waves to do lifting motion; the rack is fixedly connected with the floater and synchronously ascends and descends along with the floater; two transmission gears are respectively meshed with two sides of the rack, one end of each ratchet transmission assembly is respectively meshed with one transmission gear, and the other end of each ratchet transmission assembly is connected with an input shaft of the generator; the ascending or descending of the rack drives the 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.
2. Hydrogen production section and hydrogen storage section
2.1 Hydrogen production section
Offshore power generation is unrealistic to transmit power by submarine cables due to the fact that land users are far away, an independent 'self-generating and self-selling' type power generation system must be established, which is the second problem to be overcome in ocean energy development, and if the problem is solved, infinite ocean energy can be vigorously developed. The scheme of the system is that redundant or all electric energy is utilized to electrolyze water to produce hydrogen on a reformed oil-gas platform to store energy, and products are high-energy products such as hydrogen, oxygen and the like. Therefore, comprehensive power generation can be carried out in any sea area without worry, and the ocean energy can be utilized only by solving the problem.
The hydrogen production part is a water electrolysis hydrogen production device 4, a water source in an electrolytic bath of the water electrolysis hydrogen production device 4 is seawater, and electric energy is provided by the comprehensive power generation part. The power generated by the comprehensive power generation device is effectively utilized, the seawater is electrolyzed to produce hydrogen and store hydrogen, and a set of complete comprehensive power generation-hydrogen production and storage system is provided. Various offshore energy sources are efficiently collected, and energy conversion is realized by hydrogen production and storage, and the energy conversion is shown in figure 2.
2.2 Hydrogen storage fraction
The hydrogen storage part comprises a hydrogen collecting device and a plurality of hydrogen storage devices 5, the hydrogen collecting device is respectively communicated with the water electrolysis hydrogen production device 4 and the hydrogen storage devices 5, the power of the hydrogen collecting device is provided by the comprehensive power generation part, and the hydrogen produced by the water electrolysis hydrogen production device 4 is stored in the rare earth alloy hydrogen storage devices 5 in a bound state after being collected by the hydrogen collecting device.
At present, the hydrogen storage methods mainly comprise: compressed hydrogen storage, liquefied hydrogen storage and rare earth alloy storageAnd (3) hydrogen. Pressurized compressed hydrogen storage is one of the most common hydrogen storage technologies, and typically employs a heavy cylinder as a container. Because of the low hydrogen density, the hydrogen storage efficiency is very low and the energy density is low, so the method is not suitable for large-scale application. As large cooling energy is consumed for liquefying hydrogen gas, 4-10 kW.h is consumed for liquefying 1kg of hydrogen, and the cost of hydrogen storage and hydrogen consumption is increased. The liquid hydrogen storage container must be a special container for ultra-low temperature. Therefore, the storage cost is expensive and the safety technology is complicated. Rare earth metals at lower pressures (1X 10)6Pa) has high hydrogen storage capacity up to 100kg/m3The above. However, the hydrogen storage metal is gradually powdered after frequent hydrogen absorption and desorption.
Alloying of the hydrogen storage metal can hinder the accelerated release of helium from the solid phase hydride, i.e., can increase the critical concentration. By changing the release kinetics of helium-3 in the solid metal hydride, the service life of the device using alloyed scandium hydride can be significantly increased compared to a device using pure scandium hydride.
In the embodiment, the service life of the hydrogen storage alloy can be prolonged by doping aluminum with different concentrations in the hydrogen storage alloy, and through tests, the service life of the alloy can be prolonged to 2 times by doping the rare earth scandium alloy hydrogen storage device 5 with 6% by weight of aluminum. Fully meets the use requirements of the system.
As mentioned above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limiting the invention itself. Changes may be made in form and detail without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A comprehensive power generation hydrogen production and storage system based on an offshore waste oil-gas platform is characterized by comprising a comprehensive power generation part, a hydrogen production part and a hydrogen storage part which are established depending on the offshore waste oil-gas platform;
the comprehensive power generation part utilizes various ocean energies to carry out comprehensive power generation and transmits the power to the hydrogen production and storage part;
the hydrogen production part is a water electrolysis hydrogen production device, a water source in an electrolytic bath of the water electrolysis hydrogen production device is seawater, and electric energy is provided by the comprehensive power generation part;
the hydrogen storage part comprises a hydrogen collecting device and a rare earth alloy hydrogen storage device, the hydrogen collecting device is respectively communicated with the water electrolysis hydrogen production device and the rare earth alloy hydrogen storage device, the power of the hydrogen collecting device is provided by the comprehensive power generation part, and the hydrogen produced by the water electrolysis hydrogen production device is collected at normal temperature and normal pressure and then stored in the rare earth alloy hydrogen storage device in a bound state.
2. The offshore waste oil and gas platform-based comprehensive power generation hydrogen production and storage system as claimed in claim 1, wherein the comprehensive power generation part comprises a plurality of power generation devices including a wind power generation device, a solar power generation device and a wave power generation device, and a storage battery for storing electric energy generated by the power generation devices;
the storage battery is respectively connected with the water electrolysis hydrogen production device and the hydrogen collecting device and supplies power to the water electrolysis hydrogen production device and the hydrogen collecting device.
3. The comprehensive power generation hydrogen production and storage system based on the offshore waste oil-gas platform as claimed in 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 the offshore waste oil and gas platform as claimed in claim 2, wherein the solar power generation device is a photovoltaic power generation array and a control circuit part thereof.
5. The comprehensive power generation hydrogen production and storage system based on the offshore waste oil and gas platform is characterized in that the wave power generation device comprises a floater, a rack, two transmission gears, two ratchet transmission assemblies and a power generator;
the floater is driven by sea waves to do lifting motion; the rack is fixedly connected with the floater and synchronously ascends and descends along with the floater; two transmission gears are respectively meshed with two sides of the rack, one end of each ratchet transmission assembly is respectively meshed with one transmission gear, and the other end of each ratchet transmission assembly is connected with an input shaft of the generator;
the ascending or descending of the rack drives the 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.
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| WO2021244131A1 (en) * | 2020-06-02 | 2021-12-09 | 江苏海洋大学 | Abandoned offshore oil and gas platform-based integrated power generation, hydrogen production, and hydrogen storage system |
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