CN117967512A - Off-grid modularized hydrogen-storage offshore wind power platform - Google Patents
Off-grid modularized hydrogen-storage offshore wind power platform Download PDFInfo
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- CN117967512A CN117967512A CN202410382314.6A CN202410382314A CN117967512A CN 117967512 A CN117967512 A CN 117967512A CN 202410382314 A CN202410382314 A CN 202410382314A CN 117967512 A CN117967512 A CN 117967512A
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- 238000003860 storage Methods 0.000 title claims abstract description 133
- 239000001257 hydrogen Substances 0.000 claims abstract description 314
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 314
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 309
- 238000004519 manufacturing process Methods 0.000 claims abstract description 111
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000004880 explosion Methods 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims description 31
- 239000013535 sea water Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 14
- 238000007906 compression Methods 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 14
- 238000010612 desalination reaction Methods 0.000 claims description 11
- 238000009826 distribution Methods 0.000 claims description 9
- 238000010248 power generation Methods 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 9
- 150000002431 hydrogen Chemical class 0.000 claims description 8
- 239000012535 impurity Substances 0.000 claims description 6
- 230000006837 decompression Effects 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 239000008367 deionised water Substances 0.000 description 8
- 229910021641 deionized water Inorganic materials 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 7
- 238000004146 energy storage Methods 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance 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
- 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
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Abstract
The invention provides an off-grid modularized hydrogen storage offshore wind power platform which comprises a platform body, a hydrogen production module, a hydrogen storage module, a power module, a water supply module and an emergency module, wherein the platform body, the hydrogen production module, the hydrogen storage module, the power module, the water supply module and the emergency module are fixedly arranged on a seabed; the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the power module; the hydrogen production module is connected with the hydrogen storage module through a pipeline; the water supply module flows through the hydrogen production module, the hydrogen storage module and the power module through the circulating water pipe; the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the emergency module. The invention can realize the independent construction, installation, upgrading and reconstruction of each module and operation, maintenance and overhaul, thereby greatly reducing the operation cost; the hazard of unexpected explosion is effectively reduced, and when the wind energy is stopped from being supplied by the fan, the energy utilization rate is improved.
Description
Technical Field
The invention relates to the technical field of offshore wind power hydrogen production and storage, in particular to an off-grid modularized hydrogen production and storage offshore wind power platform.
Background
Offshore wind power is used as a strategic emerging industry in China to develop rapidly, and the wide development prospect plays a vital role in promoting energy structure transformation. With the rapid increase of the wind power installation quantity, the problem of wind power development is gradually developed, and the uncontrollable wind energy enables wind power generation to have larger fluctuation. On one hand, when the wind power generation capacity is excessive, the condition of wind power abandoning and electricity abandoning is easy to occur, so that resource waste is caused; on the other hand, when the wind power capacity does not reach the standard, the power grid dispatching difficulty is easy to cause. For offshore wind power platforms, the operation and maintenance difficulty and the electric energy loss are greatly increased along with the increase of offshore distance, and meanwhile, the offshore wind power platform also needs to face the limitation of cable routing and the sea use of a cable landing place. Therefore, in order to make the offshore wind power platform better use of offshore wind energy resources, the energy storage mode or the energy conversion mode needs to be changed. The traditional chemical energy storage capacity is small, and the energy storage equipment needs to carry out a large amount of maintenance work so as to ensure the normal operation of the energy storage equipment. Compared with other energy storage modes, the wind power hydrogen production energy storage technology has the advantages of high capacity, easiness in transportation, no pollution and the like.
At present, the authorized bulletin number is CN219637861U, the name of the modularized hydrogen production platform suitable for offshore wind power is specifically disclosed, the modularized hydrogen production platform comprises a hydrogen production platform body arranged on a seabed and hydrogen production equipment arranged at the top of the hydrogen production platform body, the hydrogen production platform body comprises steel pipe piles, a jacket, a conversion layer structure and prefabricated containers, the steel pipe is arranged in the seabed, the jacket is connected with the steel pipe piles of exposed seabed parts, the conversion layer structure is connected with the jacket, the prefabricated containers are arranged on a deck at the top of the conversion layer structure, a seawater extraction pipe and a cable protection pipe are arranged at the inner side of the jacket, the hydrogen production equipment comprises a power transformation control module, a hydrogen production module for preparing hydrogen by electrolyzing desalted seawater, a hydrogen purification module for hydrogen purification, a hydrogen compression module for hydrogen compression, a hydrogen cylinder group module for hydrogen bottling and a hydrogen transmission module for hydrogen transmission. Meanwhile, the utility model does not consider that part of wind energy is converted into hydrogen energy to be stored in emergency equipment, and when the wind energy is stopped and supplied due to the influence of the randomness and intermittence of the power generation of the fan, the energy utilization rate cannot be ensured, and the safety shutdown of each equipment in emergency can not be ensured.
Therefore, there is a need to provide an off-grid modularized hydrogen-storage offshore wind power platform, which effectively reduces the hazard of unexpected explosion of the wind power platform, and can ensure the energy utilization rate and ensure the safe shutdown of each device in emergency when the wind power is stopped for supplying wind energy.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, the present invention is to provide an off-grid modular hydrogen storage offshore wind power platform.
The invention provides an off-grid modularized hydrogen-producing and offshore wind power platform which comprises a platform body, a hydrogen production module, a hydrogen storage module, a power module, a water supply module and an emergency module, wherein the platform body, the hydrogen production module, the hydrogen storage module, the power module and the water supply module are fixedly arranged on a seabed, the platform body comprises at least three layers of decks, the water supply module and the emergency module are arranged on a bottom deck, the hydrogen production module and the power module are arranged on a middle deck, and the hydrogen storage module is arranged on a top deck; the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the power module; the water supply module is connected with the hydrogen production module through a pipeline, and the hydrogen production module is connected with the hydrogen storage module through a pipeline; circulating water pipes supplied by the water supply module flow through the hydrogen production module, the hydrogen storage module and the power module; the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the emergency module; the hydrogen storage module comprises a low-pressure hydrogen storage device, the emergency module comprises a plurality of hydrogen fuel cells, and the low-pressure hydrogen storage device is communicated with the hydrogen fuel cells through pipelines.
Preferably, the platform body comprises a fan, a tower and a plurality of piles, the root of the tower penetrates through the top deck along the vertical direction until being fixed on the middle deck, the body part of the tower is fixedly connected with the top deck, and the fan is mounted at the top of the tower; one end of each pile leg is fixedly connected with the bottom deck, and the other end of each pile leg is fixed on the seabed.
Preferably, explosion-proof walls are arranged between the water supply module and the emergency module, between the hydrogen production module and the power module and between the tower barrel and the hydrogen storage module for separation.
Preferably, the water supply module comprises water pump equipment for lifting seawater, seawater desalination and purification equipment for filtering seawater and removing impurities, cooling equipment for performing heat exchange treatment and fire fighting equipment for cooling, and the water pump equipment, the seawater desalination and purification equipment, the cooling equipment and the fire fighting equipment are arranged on the bottom deck in a concentrated mode in a shape of a Chinese character 'tian'.
Preferably, the emergency module further comprises a plurality of shelters, emergency power distribution equipment for supplying power to the hydrogen production module and the hydrogen storage module in an emergency mode and a storage battery for supplying power to a cooling device, wherein the shelters, the emergency power distribution equipment, the storage battery and the hydrogen fuel cells are arranged on the bottom deck in an array arrangement mode; the shelter is arranged in an area of the bottom deck close to the outer side.
Preferably, the hydrogen production module comprises a plurality of hydrogen production devices and hydrogen purification devices, wherein the hydrogen production devices are mutually connected in parallel and are arranged in an array form, and the hydrogen purification devices are mutually connected in parallel and are arranged on the adjacent side of the hydrogen production devices in an array form; the hydrogen production equipment is connected with the sea water desalination and purification equipment through a pipeline, and the hydrogen production equipment is connected with the hydrogen purification equipment through a pipeline.
Preferably, the power module comprises a transformation rectifying device, station electric equipment, a switch cabinet device and station control equipment which are electrically connected with the fan, wherein the transformation rectifying device is electrically connected with the station electric equipment, the switch cabinet device and the station control equipment; the transformer rectifying equipment and the station electric equipment are arranged on one side of the middle deck, which is close to the tower, and the switch cabinet equipment and the station control equipment are arranged on the other side of the middle deck, which is far away from the tower.
Preferably, the hydrogen storage module further comprises a hydrogen compression device, a hydrogen decompression device, a connection device and a high-pressure hydrogen storage device, wherein the high-pressure hydrogen storage device, the connection device and the hydrogen compression device are sequentially connected through pipelines; the hydrogen pressure reducing device is arranged on the adjacent side of the low-pressure hydrogen storage device and is connected with the low-pressure hydrogen storage device through a pipeline; the hydrogen compression device and the hydrogen decompression device are respectively connected with the hydrogen purification device through pipelines.
Preferably, a hoisting device for hoisting the high-pressure hydrogen storage device is arranged close to the outer side of the top deck, and the hoisting device is arranged adjacent to the high-pressure hydrogen storage device.
As described above, the off-grid modularized hydrogen storage offshore wind power platform has the following technical effects:
The hydrogen production module, the hydrogen storage module, the power module, the water supply module and the emergency module are arranged in layers, the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the power module, the hydrogen production module is connected with the hydrogen storage module through pipelines, and the water supply module is communicated with the hydrogen production module, the hydrogen storage module and the power module through circulating water pipes, and the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the emergency module. The invention has the capability of completely off-grid hydrogen production and storage, each module can independently carry out construction, installation, upgrading and transformation and operation, maintenance and overhaul, and the operation cost can be greatly reduced; the system is not limited by factors such as sea area conditions, safe distance, power transmission route, cable login places and the like; meanwhile, the hazard of unexpected explosion is effectively reduced, and when the wind energy is stopped when the fan stops running, the energy utilization rate is improved, and each device is ensured to be safely stopped in emergency.
Drawings
FIG. 1 is an overall schematic diagram of an off-grid modularized hydrogen storage offshore wind power platform according to an embodiment of the present invention.
Fig. 2 is a schematic layout diagram of a platform body according to an embodiment of the invention.
Fig. 3 is a schematic plan layout view of a bottom deck according to an embodiment of the present invention.
Fig. 4 is a plan layout view of a middle deck according to an embodiment of the present invention.
Fig. 5 is a schematic plan layout view of a top deck according to an embodiment of the present invention.
Reference numerals illustrate:
100. A platform body; 110. a bottom deck; 120. a middle deck; 130. a top deck; 140. a blower; 150. a tower; 160. a pile leg; 170. an explosion-proof wall; 200. a hydrogen production module; 210. hydrogen production equipment; 220. a hydrogen purification device; 300. a hydrogen storage module; 310. a hydrogen compression device; 320. a hydrogen pressure reducing device; 330. a connection device; 340. a low pressure hydrogen storage device; 350. a high pressure hydrogen storage device; 400. a power module; 410. a variable-voltage rectifying device; 420. station electric equipment; 430. a switchgear apparatus; 440. a station control device; 500. a water supply module; 510. a water pump device; 520. sea water desalination and purification equipment; 530. a cooling device; 540. fire-fighting equipment; 600. an emergency module; 610. a shelter; 620. emergency power distribution equipment; 630. a storage battery; 640. a hydrogen fuel cell; 700. and (5) hoisting the device.
Detailed Description
Further advantages and effects of the present invention will become apparent to those skilled in the art from the disclosure of the present invention, which is described by the following specific examples.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the invention to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the invention, are not intended to be critical to the essential characteristics of the invention, but are intended to fall within the spirit and scope of the invention. Also, the terms such as "upper", "lower", "left", "right", "middle", and the like are used herein for descriptive purposes only and are not intended to limit the scope of the invention for which the invention may be practiced or for which the relative relationships may be altered or modified without materially altering the technical context.
As shown in fig. 1-5, an embodiment of an off-grid modular hydrogen-producing offshore wind power platform comprises a platform body 100, a hydrogen production module 200, a hydrogen storage module 300, a power module 400, a water supply module 500 and an emergency module 600 which are fixedly arranged on a seabed, wherein the platform body 100 comprises at least three layers of decks, the water supply module 500 and the emergency module 600 are arranged on a bottom deck 110, the hydrogen production module 200 and the power module 400 are arranged on a middle deck 120, and the hydrogen storage module 300 is arranged on a top deck 130; the hydrogen production module 200, the hydrogen storage module 300 and the water supply module 500 are all electrically connected with the power module 400; the water supply module 500 is connected with the hydrogen production module 200 through a pipeline; the hydrogen production module 200 is connected with the hydrogen storage module 300 through a pipeline; the circulating water pipe supplied with water from the water supply module 500 flows through the hydrogen production module 200, the hydrogen storage module 300, and the power module 400; the hydrogen production module 200, the hydrogen storage module 300 and the water supply module 500 are all electrically connected with the emergency module 600; the hydrogen storage module 300 includes a low pressure hydrogen storage device 340, the emergency module 600 includes a plurality of hydrogen fuel cells 640, and the low pressure hydrogen storage device 340 is in communication with the hydrogen fuel cells 640 through a pipe.
Specifically, the wind turbine generator is connected with the power module 400 through a cable, converts wind energy into electric energy, and transmits the electric energy to the hydrogen production module 200, the hydrogen storage module 300 and the water supply module 500 through the power module 400, so as to provide the required electric energy for each module. Wherein, the water supply module 500 can extract seawater and desalinate and purify it to form deionized water for the hydrogen production module 200 to produce hydrogen by electrolyzing the deionized water. Meanwhile, the deionized water can also be used as cooling water to flow through the hydrogen production module 200, the hydrogen storage module 300 and the power module 400 respectively through the circulating water pipe for heat exchange treatment. The power module 400 supplies electric power to the hydrogen production module 200 to prepare hydrogen by means of electrolysis of water, processes impurities in the hydrogen, and then transfers the processed hydrogen from the hydrogen production module 200 to the hydrogen storage module 300 for storage. The hydrogen in the hydrogen storage module 300 is divided into different purposes according to different pressure grades, most of the hydrogen in the hydrogen storage module 300 is transported to an application terminal (such as a hydrogen energy ship) through a ship, an off-grid offshore wind power hydrogen production and storage mode is formed, and a wind power platform forms an offshore fixed hydrogen station; the remaining small part of hydrogen enters the hydrogen fuel cell 640 through the low-pressure hydrogen storage device 340 for emergency power generation, the mode can improve the utilization rate of hydrogen energy, reduce the power sending cost and the sea limitation of cable routing, and reduce the waste condition of wind and electricity discarding. When wind power generation is random and intermittent, the emergency module 600 can ensure normal flow of cooling water and reduce the overheating frequency of each module. In an emergency situation, the hydrogen fuel cell 640 can provide power for the hydrogen production module 200 and the hydrogen storage module 300, so that equipment in the hydrogen production module 200 and the hydrogen storage module 300 can be safely stopped, meanwhile, the emergency module 600 supplies power for the water supply module 500, cooling water continuously flows through the hydrogen production module 200 and the hydrogen storage module 300 through the circulating water pipe, and the hydrogen production module 200 and the hydrogen storage module 300 are prevented from being overheated in the stopping process.
It should be noted that, the water supply module 500 is disposed on the bottom deck 110 and is closer to the seawater, so that the water supply module 500 can conveniently lift the seawater to the deck through the water pipe, and the emergency module 600 and the water supply module 500 are located on the same deck. The hydrogen production module 200 and the power module 400 are disposed in an adjacent positional relationship on the middle deck 120, and the hydrogen storage module 300 is disposed on the top deck 130. Because the hydrogen production module 200 and the hydrogen storage module 300 have the possibility of unexpected explosion in the operation process, the emergency module 600, the water supply module 500, the power module 400, the hydrogen production module 200 and the hydrogen storage module 300 are arranged in a layered manner according to the above, so that all the modules are prevented from being arranged on the same deck in a concentrated manner, the arrangement mode can effectively reduce the hazard of unexpected explosion, and the integral stop and swing of the fan power generation caused by equipment failure is prevented.
In addition, according to the offshore wind power situation, the hydrogen production and storage capacity of the wind power platform is improved, and the hydrogen production module 200 and the hydrogen storage module 300 can be additionally arranged on the increased deck by increasing the number of decks; or one skilled in the art may increase hydrogen production module 200 and hydrogen storage module 300 by expanding the area of top deck 130. The specific increase amount can be determined according to the actual working conditions.
As shown in fig. 2, the platform body 100 includes a blower 140, a tower 150 and a plurality of piles 160, the root of the tower 150 penetrates through the top deck 130 in the vertical direction until being fixed on the middle deck 120, the barrel part of the tower 150 is fixedly connected with the top deck 130, and the blower 140 is mounted on the top of the tower 150; one end of each pile leg 160 is fixedly connected with the bottom deck 110, and the other end of each pile leg 160 is fixed on the seabed.
Specifically, the fan is preferably a three-blade fan, the tower is preferably a steel tube fan tower, and the fan 140 is connected to the power module 400 along the cable inside the tower 150 by a cable.
As shown in fig. 2-5, the water supply module 500 and the emergency module 600, the hydrogen production module 200 and the power module 400, and the tower 150 and the hydrogen storage module 300 are separated by the blast wall 170.
It should be noted that, the explosion-proof walls 170 are all disposed on each deck, and the explosion-proof walls 170 of each deck are combined with each module in a layered arrangement manner, so that the hazard of accidental explosion of the hydrogen production module 200 and the hydrogen storage module 300 can be effectively reduced.
As shown in fig. 3, the water supply module 500 includes a water pump device 510 for lifting seawater, a seawater desalination and purification device 520 for filtering seawater and removing impurities, a cooling device 530 for performing heat exchange treatment, and a fire fighting device 540 for lowering temperature, and the water pump device 510, the seawater desalination and purification device 520, the cooling device 530, and the fire fighting device 540 are arranged in a concentrated manner in a field shape on the bottom deck 110.
Specifically, the water pumping device 510 is disposed near the edge of the bottom deck 110, so that the water pumping pipe of the water pumping device 510 extends into the seawater along the inner sides of the legs 160, lifting the seawater to the bottom deck 110. The extracted seawater is delivered to a seawater desalination purification plant 520 for filtration and impurity removal to form deionized water. The small amount of deionized water flows through the hydrogen production module 200, the hydrogen storage module 300 and the power module 400 in sequence after entering the circulating water pipe through the cooling device 530 as cooling water, and the deionized water circulates in the circulating water pipe under the action of the water pump device 510 and the cooling device 530 to realize heat exchange treatment. A portion of the remaining deionized water is delivered to hydrogen production module 200 for hydrogen production and another portion of the deionized water is delivered to and stored in fire fighting equipment 540 for spraying high temperature equipment or fires.
As shown in fig. 3, the emergency module 600 further includes a plurality of shelters 610, an emergency power distribution device 620 for emergency power supply of the hydrogen production module 200 and the hydrogen storage module 300, and a storage battery 630 for power supply of the cooling device, where the shelters 610, the emergency power distribution device 620, the storage battery 630, and the hydrogen fuel cells 640 are arranged in an array configuration and concentrated on the bottom deck 110; the shelter 610 is disposed in an area of the bottom deck 110 near the outside.
Specifically, the bottom deck 110 is provided with a plurality of containers, which are arranged in an array manner and are concentrated on the bottom deck 110, wherein the number of the containers is preferably 6, and the containers are arranged in an array manner of two rows and three columns. It should be noted that the number of containers can be adjusted according to the actual situation. The shelter 610 is disposed in the same column of containers adjacent to the outside of the bottom deck 110 for escape and rescue in case of emergency. The emergency power distribution device 620, the storage battery 630, and the 2 hydrogen fuel cells 640 may be arranged in the remaining 4 containers according to actual conditions. Emergency power distribution device 620 is electrically connected to hydrogen production module 200 and hydrogen storage module 300 to ensure safe shutdown of hydrogen production module 200 and hydrogen storage module 300 in an emergency. When the power module 400 fails or cannot supply power due to the random and intermittent influence of the fan power generation, the cooling device 530 can be supplied with power through the storage battery 630 and the hydrogen fuel cell 640, so as to ensure that cooling water flowing through the hydrogen production module 200, the hydrogen storage module 300 and the power module 400 continuously flows, and avoid overheating of the hydrogen production module 200, the hydrogen storage module 300 and the power module 400.
As shown in fig. 4, the hydrogen production module 200 includes a plurality of hydrogen production devices 210 and hydrogen purification devices 220, the hydrogen production devices 210 are connected in parallel and arranged in an array form, and each hydrogen purification device 220 is connected in parallel and arranged on the adjacent side of the hydrogen production device 210; the hydrogen production device 210 is connected with the sea water desalination purification device 520 through a pipeline, and the hydrogen production device 210 is connected with the hydrogen purification device 220 through a pipeline.
Specifically, each hydrogen production device 210 is connected in parallel, and each hydrogen purification device 220 is also connected in parallel, so that the requirement that multiple devices are powered on and powered off as required under different power generation powers can be met, and the idle running loss of the devices is reduced. The hydrogen production equipment 210 and the hydrogen purification equipment 220 are arranged in a container structure, so that the device is convenient to hoist, mount, assemble, disassemble and maintain. The hydrogen produced by the hydrogen production apparatus 210 is transported to the hydrogen purification apparatus 220 through a pipe, and hydrogen impurities are removed. The hydrogen purification device 220 is arranged at the adjacent side of the hydrogen production device 210, so that the wiring distance of the pipeline can be reduced, and the pipeline laying cost is reduced.
As shown in fig. 4, the power module 400 includes a transformer rectifying device 410, a station electric device 420, a switch cabinet device 430 and a station control device 440 electrically connected to the fan, where the transformer rectifying device 410, the station electric device 420, the switch cabinet device 430 and the station control device 440 are electrically connected to each other, the transformer rectifying device 410 and the station electric device 420 are disposed on one side of the middle deck close to the tower 150, and the station electric device 420 and the station control device 440 are disposed on the other side of the middle deck close to the tower 150, so that the cable routing distance can be effectively reduced, and the cable cost and the power transmission loss are reduced.
Specifically, the electric energy generated by the fan is connected to the transformer rectifying device 410 for adjusting the voltage and current generated by the fan. The electric energy after transformation and rectification is transmitted to the station electric equipment 420 through a cable, and the station electric equipment 420 supplies power for the water supply module 500, the hydrogen production module 200 and the hydrogen storage module 300. The switchgear 430 is used to control the connection and disconnection of the electrical circuits to protect the electrical circuits (e.g., overload protection, short circuit protection, leakage protection, undervoltage and overvoltage protection, etc.) in which the feedwater module 500, hydrogen production module 200, and hydrogen storage module 300 are located. The station control equipment 440 is used as a total control cabinet and a communication cabinet of the whole wind power platform to realize the power transmission control of the water supply module 500, the hydrogen production module 200 and the hydrogen storage module 300, so that the parameters of a power transmission line can be monitored and regulated in real time, and meanwhile, the stable operation of a power system of the wind power platform is ensured.
As shown in fig. 5, the hydrogen storage module 300 further includes a hydrogen compression device 310, a hydrogen depressurization device 320, a connection device 330, and a high-pressure hydrogen storage device 350; the high-pressure hydrogen storage device 350, the connection device 330 and the hydrogen compression device 310 are sequentially connected through pipelines; the hydrogen pressure reducing device 320 is disposed adjacent to the low-pressure hydrogen storage 340 and connected thereto by a pipe; the hydrogen compression device 310 and the hydrogen depressurization device 320 are connected to the hydrogen purification device 220 through pipes, respectively.
Specifically, the hydrogen purified by the hydrogen purification device 220 enters the hydrogen compression device 310 and the hydrogen depressurization device 320, respectively, through pipes. After the hydrogen compression device 310 compresses the hydrogen to the specified pressure level, the compressed hydrogen is delivered to the high-pressure hydrogen storage device 350 through the connection device 330. After the hydrogen gas is depressurized to a specified pressure level by the hydrogen gas depressurization device 320, the depressurized hydrogen gas is supplied to the low-pressure hydrogen storage device 340. It should be noted that the connection device 330 is used for docking and undocking with the high-pressure hydrogen storage device 350.
As shown in fig. 5, a lifting device 700 for lifting the high-pressure hydrogen storage device 350 is provided near the outer side of the top deck 130, and the lifting device 700 is disposed adjacent to the high-pressure hydrogen storage device 350 so as to lift the high-pressure hydrogen storage device 350.
Specifically, after the high-pressure hydrogen storage device 350 is full of hydrogen, the connection device 330 is disconnected from the high-pressure hydrogen storage device 350, the full-load high-pressure hydrogen storage device 350 is lifted to the carrier by the lifting device 700, and the empty high-pressure hydrogen storage device 350 is lifted to the top deck 130 from the carrier. Finally, the connection device 330 is connected with the empty high-pressure hydrogen storage device 350, and the high-pressure hydrogen storage device 350 is continuously filled with high-pressure hydrogen.
In summary, the hydrogen production module, the hydrogen storage module, the power module, the water supply module and the emergency module are arranged in a layered manner, the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the power module, the hydrogen production module is connected with the hydrogen storage module through pipelines, the water supply module is communicated with the hydrogen production module, the hydrogen storage module and the power module through circulating water pipes, and the hydrogen production module, the hydrogen storage module and the water supply module are electrically connected with the emergency module. The invention has the capability of completely off-grid hydrogen production and storage, each module can independently carry out construction, installation, upgrading and transformation and operation, maintenance and overhaul, and the operation cost can be greatly reduced; the system is not limited by factors such as sea area conditions, safe distance, power transmission route, cable login places and the like; meanwhile, the hazard of unexpected explosion is effectively reduced, and when the wind energy is stopped when the fan stops running, the energy utilization rate is ensured, and each device is ensured to be safely stopped in emergency. The invention can be used as a development platform of ocean wind energy resources on one hand and can be used as an offshore hydrogen adding station of a hydrogen energy ship on the other hand. The invention is arranged on a sea channel or a sea mining area, can be used as an offshore energy supply station, outputs continuous and stable hydrogen energy, meets the energy supply requirements of channel ship power and mining ships, and can better serve large-scale ocean energy development.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (9)
1. The off-grid modularized hydrogen production and storage offshore wind power platform is characterized by comprising a platform body (100), a hydrogen production module (200), a hydrogen storage module (300), a power module (400), a water supply module (500) and an emergency module (600) which are fixedly arranged on a seabed, wherein the platform body (100) comprises at least three layers of decks, the water supply module (500) and the emergency module (600) are arranged on a bottom deck (110), the hydrogen production module (200) and the power module (400) are arranged on a middle deck (120), and the hydrogen storage module (300) is arranged on a top deck (130); the hydrogen production module (200), the hydrogen storage module (300) and the water supply module (500) are electrically connected with the power module (400); the water supply module (500) is connected with the hydrogen production module (200) through a pipeline, and the hydrogen production module (200) is connected with the hydrogen storage module (300) through a pipeline; a circulating water pipe supplied with water from the water supply module (500) flows through the hydrogen production module (200), the hydrogen storage module (300) and the power module (400); the hydrogen production module (200), the hydrogen storage module (300) and the water supply module (500) are electrically connected with the emergency module (600); the hydrogen storage module (300) comprises a low-pressure hydrogen storage device (340), the emergency module (600) comprises a plurality of hydrogen fuel cells (640), and the low-pressure hydrogen storage device (340) is communicated with the hydrogen fuel cells (640) through pipelines.
2. The off-grid modularized hydrogen-producing offshore wind power platform according to claim 1, wherein the platform body (100) further comprises a fan (140), a tower (150) and a plurality of piles (160), the root of the tower (150) penetrates through the top deck (130) in the vertical direction until being fixed on the middle deck (120), the barrel part of the tower (150) is fixedly connected with the top deck (130), and the fan (140) is installed at the top of the tower (150); one end of each pile leg (160) is fixedly connected with the bottom deck (110), and the other end of each pile leg (160) is fixed on the seabed.
3. The off-grid modular hydrogen production offshore wind platform according to claim 2, wherein the water supply module (500) and the emergency module (600), the hydrogen production module (200) and the power module (400), and the tower (150) and the hydrogen storage module (300) are separated by an explosion proof wall (170).
4. A modular off-grid offshore wind power generation and storage platform according to claim 1 or 3, wherein the water supply module (500) comprises a water pump device (510) for lifting seawater, a seawater desalination and purification device (520) for filtering seawater and removing impurities, a cooling device (530) for performing heat exchange treatment and a fire fighting device (540) for cooling, and the water pump device (510), the seawater desalination and purification device (520), the cooling device (530) and the fire fighting device (540) are arranged in a concentrated manner in a field shape on the bottom deck (110).
5. The off-grid modular hydrogen storage offshore wind platform according to claim 1, wherein the emergency module (600) further comprises a plurality of shelters (610), emergency power distribution equipment (620) for emergency power supply of the hydrogen production module (200) and the hydrogen storage module (300) and storage batteries (630) for power supply of cooling equipment, wherein the shelters (610), emergency power distribution equipment (620), storage batteries (630) and hydrogen fuel cells (640) are arranged in an array arrangement in a concentrated manner on the bottom deck (110); the shelter (610) is arranged in an area of the bottom deck (110) close to the outside.
6. The off-grid modular hydrogen-producing offshore wind power platform according to claim 4, wherein the hydrogen production module (200) comprises a plurality of hydrogen production devices (210) and hydrogen purification devices (220), the hydrogen production devices (210) are connected in parallel and arranged in an array, and the hydrogen purification devices (220) are connected in parallel and arranged on adjacent sides of the hydrogen production devices (210) in an array; the hydrogen production equipment (210) is connected with the sea water desalination purification equipment (520) through a pipeline, and the hydrogen production equipment (210) is connected with the hydrogen purification equipment (220) through a pipeline.
7. The off-grid modular hydrogen-producing offshore wind power platform according to claim 2, wherein the power module (400) comprises a voltage transformation rectifying device (410), a station electric device (420), a switch cabinet device (430) and a station control device (440) which are electrically connected with the fan, and the voltage transformation rectifying device (410), the station electric device (420), the switch cabinet device (430) and the station control device (440) are electrically connected with each other; the transformer rectifying device (410) and the station electric equipment (420) are arranged on one side of the middle deck, which is close to the tower (150), and the switch cabinet device (430) and the station control device (440) are arranged on the other side of the middle deck, which is close to the tower (150).
8. The off-grid modular hydrogen production offshore wind power platform of claim 6, wherein the hydrogen storage module (300) further comprises a hydrogen compression device (310), a hydrogen decompression device (320), a connection device (330) and a high-pressure hydrogen storage device (350), wherein the high-pressure hydrogen storage device (350), the connection device (330) and the hydrogen compression device (310) are sequentially connected through pipelines; the hydrogen depressurizing device (320) is arranged on the adjacent side of the low-pressure hydrogen storage device (340) and connected with the low-pressure hydrogen storage device through a pipeline; the hydrogen compression device (310) and the hydrogen decompression device (320) are respectively connected with the hydrogen purification device (220) through pipelines.
9. The off-grid modular hydrogen-producing and offshore wind power platform according to claim 8, wherein a hoisting device (700) for hoisting the high-pressure hydrogen storage device (350) is arranged close to the outer side of the top deck (130), and the hoisting device (700) is arranged adjacent to the high-pressure hydrogen storage device (350).
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