CN218559119U - Hydrogen and ammonia production platform utilizing offshore wind farm - Google Patents
Hydrogen and ammonia production platform utilizing offshore wind farm Download PDFInfo
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- CN218559119U CN218559119U CN202222857626.7U CN202222857626U CN218559119U CN 218559119 U CN218559119 U CN 218559119U CN 202222857626 U CN202222857626 U CN 202222857626U CN 218559119 U CN218559119 U CN 218559119U
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- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
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- Y02P20/133—Renewable energy sources, e.g. sunlight
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Abstract
A hydrogen and ammonia production platform utilizing an offshore wind farm comprises a barge-type floating platform, a production process deck is arranged 4-5 m above a main deck of the platform, a platform power grid is connected with a peripheral wind power generation power grid through a cable, the platform power grid supplies power to the whole platform, an outer turret mooring system and a living building are fixed at the bow of the platform, an output system is arranged at the stern of the platform, and the production process deck is positioned between the output system and the living building. A plurality of high-pressure hydrogen storage tanks and a plurality of liquid ammonia storage cabins are arranged below the main deck and inside the platform. The invention prepares hydrogen by green electricity generated by wind power, is used for preparing hydrogen fuel required by ammonia and platform operation and maintenance, does not need any other fuel for the platform, and does not discharge any harmful gas into the air. Thereby reducing the operating cost of the platform, avoiding the environmental pollution caused by the emission of harmful gases and really achieving carbon-free emission.
Description
Technical Field
The invention belongs to the technical field of offshore hydrogen production and ammonia production, and particularly relates to a hydrogen production and ammonia production platform utilizing an offshore wind farm.
Background
The setting of global carbon peak-to-peak, carbon neutralization targets will bring a number of fundamental changes to shipping, trading, maritime, energy and renewable energy markets. Under the guidance of strategic targets of realizing 'carbon peak reaching' and 'carbon neutralization' before 2030 years and 2060 years in China, various industries have actively acted, and a new green revolution taking green and low carbon as a main line is developed with increased strength.
The hydrogen energy has high heat value, is clean and carbon-free, can store energy, generate electricity and generate heat, is flexible and efficient, has rich application scenes, and is considered as an ideal energy carrier for promoting the large-scale development of renewable energy sources. The hydrogen fuel and the hydrogen fuel cell have wide application prospect, and the scheme that the ship adopts the hydrogen fuel and the hydrogen fuel cell as a ship power system is one of main measures for meeting the requirements of new regulations. However, because the hydrogen fuel has low unit power density, the unit volume of hydrogen consumed by the same voyage during the voyage of the ship is much larger than that of the conventional diesel fuel, and the volume of the hydrogen is increased, the cargo capacity of the ship is inevitably influenced, so that the hydrogen fuel can only be applied to small offshore small ships and is difficult to be applied to large ocean-going ships at present.
Ammonia is an important chemical raw material, and has wide application in the fields of chemical medicine and pesticide, national defense industry, metallurgical industry and the like, and as early as the 60 th century, engines using ammonia as fuel have been practically applied in the fields of automobiles, ships, space rockets and the like. Ammonia is stored and transported in a liquid state, has mature application on land, can be used as fuel for combustion, is only nitrogen and water as the combustion product because the combustion product contains no sulfur, does not have the problems of carbon emission and sulfur emission, and is clean fuel. At present, a dual-fuel low-speed host machine capable of burning liquid ammonia fuel is already applied to ocean vessels in a test way, can realize zero-carbon and zero-sulfur emission of a propulsion system of the host machine of the vessel, and has great environmental protection value.
With the vigorous development of offshore wind farms, the local consumption of unstable wind power becomes a new direction. The offshore wind power renewable energy source is used for producing hydrogen and ammonia, and the floating type hydrogen and ammonia production and storage platform is adopted, so that large-scale green hydrogen and ammonia production and storage is realized, and the method becomes a breakthrough direction for realizing the carbon neutralization target in China.
Disclosure of Invention
In order to solve the technical problems, the invention provides a hydrogen and ammonia production platform utilizing an offshore wind farm, aiming at achieving the purpose that electricity generated by the offshore wind farm is transmitted to the platform after being rectified by voltage transformation and is used for producing and storing hydrogen and ammonia on the platform, and the technical scheme is as follows:
a hydrogen and ammonia production platform utilizing offshore wind power plants is provided with a barge-type floating platform, a production process deck is arranged above a main deck of the platform, a platform power grid is connected with a peripheral wind power generation power grid through a cable, the platform power grid supplies power for the whole platform, an outer turret mooring system and a life building are fixed at the bow of the platform, an outer transportation system is arranged at the stern of the platform, and the production process deck is positioned between the outer transportation system and the life building.
The production process deck is 4-5 meters away from the main deck, and the production process deck is provided with an electrolyzed water hydrogen production module, a hydrogen compression module, an air separation module, a nitrogen compression module, an ammonia synthesis module, an ammonia separation and liquefaction module, a liquid ammonia output module and a hydrogen output module.
A plurality of high-pressure hydrogen storage tanks and a plurality of liquid ammonia storage cabins are arranged below the main deck and inside the platform.
The water electrolysis hydrogen production module is connected with the hydrogen compression module and the high-pressure hydrogen storage tank in sequence through pipelines, and the air separation module is connected with the nitrogen compression module, the ammonia synthesis module, the ammonia separation liquefaction module and the liquid ammonia storage cabin in sequence through pipelines.
The liquid ammonia storage cabin is communicated with the liquid ammonia transport ship through a liquid ammonia outward-conveying module, and the high-pressure hydrogen storage tank is connected with the hydrogen power ship through a hydrogen outward-conveying module.
The above-mentioned hydrogen production ammonia platform that utilizes offshore wind farm, further, be provided with hydrogen fuel cell power generation facility in the platform bow under-deck, hydrogen fuel cell power generation facility entry is through pipeline and high-pressure hydrogen storage tank exit linkage.
The above-mentioned hydrogen production ammonia production platform that utilizes offshore wind farm, further, the platform adopts double-shell double-bottom structure.
The above platform for producing hydrogen and ammonia by using an offshore wind farm is further characterized in that a living building is positioned between a production process deck and an external turret mooring system.
According to the platform for producing hydrogen and ammonia by utilizing the offshore wind farm, the number of the liquid ammonia storage tanks is 3 or 4.
According to the above platform for producing hydrogen and ammonia by utilizing an offshore wind farm, further, an isolation empty cabin is arranged at the periphery of the liquid ammonia storage cabin.
The invention has the advantages that a production process deck is provided with a set of water electrolysis hydrogen production device, hydrogen is prepared by green electricity generated by wind power and is used for preparing ammonia and hydrogen fuel required by platform operation, the platform does not need any other fuel, and any harmful gas can not be discharged into the air. Thereby reducing the operating cost of the platform, avoiding the environmental pollution caused by the emission of harmful gases and really achieving carbon-free emission.
A set of ammonia synthesis device is configured on the platform, energy conversion from wind power to liquid ammonia is realized, and unstable wind power is converted into liquid ammonia which is easy to store and multipurpose. When wind power consumption is completed, the storage and transportation cost of the liquid ammonia is much lower than that of hydrogen, and the liquid ammonia is an important chemical raw material, so that the economic added value is improved.
Drawings
FIG. 1 is a flow chart of the production process of hydrogen ammonia storage and production of the present invention;
FIG. 2 is a schematic structural diagram of a floating storage platform for producing hydrogen and ammonia according to the present invention;
FIG. 3 is a top view of the floating storage platform for hydrogen ammonia production according to the present invention;
fig. 4 is a cross-sectional view of a liquid ammonia storage tank of the hydrogen ammonia preparation and storage floating platform of the present invention;
wherein: 1-platform, 2-production process deck, 3-living building, 4-export system, 5-external turret mooring system, 6-electrolyzed water hydrogen production module, 7-hydrogen compression module, 8-air separation module, 9-nitrogen compression module, 10-ammonia synthesis module, 11-ammonia separation liquefaction module, 12-liquid ammonia export module, 13-hydrogen export module, 14-high pressure hydrogen storage tank, 15-liquid ammonia storage cabin and 16-hydrogen fuel cell power generation device.
Detailed Description
The invention is further explained with reference to the drawings.
As shown in fig. 2-4, the hydrogen and ammonia production platform utilizing offshore wind farms comprises barge-type floating platforms, the main scale of the platform is set according to the capacity of the offshore wind farms and the expected annual hydrogen and ammonia production, and the appearance of the platform is barge-type. The platform power grid is connected with a peripheral wind power generation power grid through a cable, the platform power grid supplies power to the whole platform, a production process deck is arranged above a main deck of the platform, an outer turret mooring system and a living building are fixed on the bow of the platform, and an output system is arranged on the stern of the platform.
According to the sea condition conditions of the operation place, an external turret mooring system is equipped for the platform, so that the platform has superior movement performance, and the requirement of sufficient production time all year round is met. The outer turret mooring system is arranged at the bow of the floating platform through a steel support structure, the platform floats on the water surface, the heading direction is kept to face the wind, and the platform rotates around the outer turret single-point system.
The production process deck is higher than the main deck, and the distance between the production process deck and the main deck is 4-5 meters. The production technology deck is provided with an electrolyzed water hydrogen production module, a hydrogen compression module, an air separation module, a nitrogen compression module, an ammonia synthesis module, an ammonia separation liquefaction module, a liquid ammonia outward-transmission module and a hydrogen outward-transmission module, the electrolyzed water hydrogen production module is sequentially connected with the hydrogen compression module and a high-pressure hydrogen storage tank through pipelines, and the air separation module is sequentially connected with the nitrogen compression module, the ammonia synthesis module, the ammonia separation liquefaction module and a liquid ammonia storage cabin through pipelines. The liquid ammonia storage cabin is communicated with the liquid ammonia transport ship through a liquid ammonia outward-conveying module, and the high-pressure hydrogen storage tank is connected with the hydrogen power ship through a hydrogen outward-conveying module.
A plurality of high-pressure hydrogen storage tanks and a plurality of liquid ammonia storage cabins are arranged below the main deck and inside the platform.
The life building is arranged on the bow, is positioned behind the outer turret mooring system and in front of the production process deck, and ensures that harmful gas generated by the production process deck floats to the stern part of the ship along with wind and is far away from a personnel living area.
The production process flow is considered in the mounting sequence of the upper modules, as shown in fig. 1, the water electrolysis hydrogen production module is arranged at a position close to the bow and is connected with the platform power grid through a cable, so that the wind power can be transmitted to the water electrolysis hydrogen production end of the water electrolysis hydrogen production module through the conversion of the platform power grid.
The hydrogen compression module is close to the water electrolysis hydrogen production module, and the specific position can be determined according to the actual arrangement of the platform, so that the length of a pipe system for connecting the hydrogen compression module and the water electrolysis hydrogen production module can be shortened. The high-pressure hydrogen storage tank is arranged inside the platform, and necessary ventilation is arranged at the place to ensure the ventilation of air in the place, so that the risk of explosion at the place is reduced.
The hydrogen output port of the electrolyzed water hydrogen production module, the hydrogen compression module and the high-pressure hydrogen storage tank are connected through the hydrogen conveying pipeline, so that the hydrogen produced by the electrolyzed water hydrogen production module can be conveyed to the hydrogen compression module through the pipeline firstly, and the treated hydrogen is conveyed to the high-pressure hydrogen storage tank through the pipeline by the hydrogen compression module to be stored.
The air separation module is arranged on the production process deck close to the bow, and is connected with the platform power grid through a cable as shown in figure 3. The nitrogen compression module is close to the air separation module, and the length of the pipe system for connecting the nitrogen compression module and the air separation module can be shortened by adopting the structure.
The ammonia synthesis module is adjacent to the nitrogen compression module, so that nitrogen output by the nitrogen compression module can be directly conveyed to the ammonia synthesis module to complete ammonia synthesis. The ammonia separation liquefaction module is adjacent to the ammonia synthesis module, so that the nitrogen synthesized by the ammonia synthesis module can be directly conveyed to the ammonia separation liquefaction module to complete ammonia liquefaction. The liquid ammonia storage cabins are positioned inside the platform and are 3 or 4 in number. The storage of liquid ammonia requires a low-temperature liquid storage environment with good heat insulation performance, and an isolation chamber is required to be arranged around the liquid ammonia storage chamber to ensure the low-temperature environment (as shown in fig. 4).
The liquid ammonia output module is located the platform stern portion, and liquid ammonia carries the liquid ammonia transport ship through the liquid ammonia output module, and the hydrogen output module is close to the topside, passes through the pipeline with high-pressure hydrogen storage tank and links to each other, and the hydrogen output module is with the hydrogen filling of high-pressure hydrogen storage tank for the hydrogen power boats and ships that have the demand in the periphery. The hydrogen fuel cell power generation device is arranged in the bow cabin of the main floating body, a hydrogen input port of the hydrogen fuel cell power generation device is connected with a hydrogen output port on the high-pressure hydrogen storage tank through a pipe system, and necessary valves and related accessories are required to be arranged on the pipe system and used for adjusting and controlling the source of hydrogen entering the hydrogen fuel cell power generation device.
After the installation work is finished, the whole system needs to be debugged and tested, all the systems are guaranteed to meet the preset target of early design, and the platform can be normally produced.
Claims (6)
1. The utility model provides an utilize hydrogen manufacturing ammonia production platform of offshore wind power station which characterized in that: the system is characterized by comprising a barge-type floating platform (1), wherein a platform power grid is connected with a peripheral wind power generation power grid through a cable, the platform power grid supplies power to the whole platform, a production process deck (2) is arranged above a main deck of the platform, an outer turret mooring system (5) and a life building (3) are fixed at the bow of the platform, an output system (4) is arranged at the stern of the platform, and the production process deck is positioned between the output system and the life building;
the distance between the production process deck and the main deck is 4-5 meters, and the production process deck is provided with an electrolyzed water hydrogen production module (6), a hydrogen compression module (7), an air separation module (8), a nitrogen compression module (9), an ammonia synthesis module (10), an ammonia separation liquefaction module (11), a liquid ammonia output module (12) and a hydrogen output module (13);
a plurality of high-pressure hydrogen storage tanks (14) and a plurality of liquid ammonia storage cabins (15) are arranged below the main deck and in the platform;
the water electrolysis hydrogen production module is sequentially connected with the hydrogen compression module and the high-pressure hydrogen storage tank through pipelines, and the air separation module is sequentially connected with the nitrogen compression module, the ammonia synthesis module, the ammonia separation and liquefaction module and the liquid ammonia storage cabin through pipelines;
the liquid ammonia storage cabin is communicated with the liquid ammonia transport ship through a liquid ammonia outward-conveying module, and the high-pressure hydrogen storage tank is connected with the hydrogen power ship through a hydrogen outward-conveying module.
2. The platform for producing ammonia by hydrogen production of an offshore wind farm according to claim 1, characterized in that: a hydrogen fuel cell power generation device (16) is arranged in the platform bow cabin, and the inlet of the hydrogen fuel cell power generation device is connected with the outlet of the high-pressure hydrogen storage tank through a pipeline.
3. The platform for producing hydrogen and ammonia by utilizing an offshore wind farm according to claim 1, characterized in that: the platform adopts a double-shell and double-bottom structure.
4. The platform for producing ammonia by hydrogen production of an offshore wind farm according to claim 1, characterized in that: the living building is positioned between the production process deck and the external turret mooring system.
5. The platform for producing hydrogen and ammonia by utilizing an offshore wind farm according to claim 1, characterized in that: the number of the liquid ammonia storage tanks is 3 or 4.
6. The platform for producing hydrogen and ammonia by utilizing an offshore wind farm according to claim 1, characterized in that: an isolation empty cabin is arranged at the periphery of the liquid ammonia storage cabin.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222857626.7U CN218559119U (en) | 2022-10-28 | 2022-10-28 | Hydrogen and ammonia production platform utilizing offshore wind farm |
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| CN202222857626.7U CN218559119U (en) | 2022-10-28 | 2022-10-28 | Hydrogen and ammonia production platform utilizing offshore wind farm |
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| CN218559119U true CN218559119U (en) | 2023-03-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967512A (en) * | 2024-04-01 | 2024-05-03 | 上海勘测设计研究院有限公司 | Off-grid modularized hydrogen-storage offshore wind power platform |
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2022
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967512A (en) * | 2024-04-01 | 2024-05-03 | 上海勘测设计研究院有限公司 | Off-grid modularized hydrogen-storage offshore wind power platform |
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