CN216185896U - Marine hydrogen production ammonia production storage cabin platform based on nuclear power - Google Patents
Marine hydrogen production ammonia production storage cabin platform based on nuclear power Download PDFInfo
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- CN216185896U CN216185896U CN202122118192.4U CN202122118192U CN216185896U CN 216185896 U CN216185896 U CN 216185896U CN 202122118192 U CN202122118192 U CN 202122118192U CN 216185896 U CN216185896 U CN 216185896U
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Abstract
A nuclear power-based offshore hydrogen production and ammonia production storage tank platform comprises a floating platform floating on the sea, wherein a nuclear power device, a power generation module and a power distribution module are arranged at one end of the floating platform and below a deck of the floating platform, the nuclear power device is sequentially connected with the power generation module and the power distribution module through pipelines, and a liquid ammonia storage tank is further arranged below the deck of the floating platform. A seawater desalination device, an electrolytic hydrogen production module, an air nitrogen production module, an ammonia production module and an ammonia liquefaction module are arranged above the deck of the floating platform, the seawater desalination device, the electrolytic hydrogen production module, the ammonia liquefaction module and a liquid ammonia storage cabin are sequentially connected through pipelines, and branch pipelines extending out of the air nitrogen production module are connected with the ammonia production module. The invention can operate under high load, and reasonably and effectively utilize electric energy to produce hydrogen and ammonia on the sea.
Description
Technical Field
The invention relates to the field of ship construction and design, in particular to a platform which takes nuclear energy as power and can produce hydrogen and ammonia on the sea and store a cabin.
Background
Traditional ammonia and hydrogen production plants belong to enterprises with high pollution and high energy consumption, and under the global environment-friendly and carbon-reducing large background, the original high energy consumption mode is inevitably eliminated, the use of environment-friendly and pollution-free energy is the future trend, and nuclear energy is the representative of the existing mature and pollution-free energy. The nuclear power is used as the direct propulsion power of a conventional ship and is limited by a sailing area and a berthing port, the traditional fossil energy cannot realize zero carbon emission, and the nuclear power is one of ideal clean energy sources as a route map and a target energy for realizing carbon emission reduction and carbon neutralization.
The construction of hydrogen production and ammonia synthesis plants on land is limited by a plurality of factors such as land use, site selection, investment and the like, and the offshore floating hydrogen production and ammonia synthesis and liquefaction storage platform can realize the source and supply of distributed, miniaturized and low-risk clean fuels.
Disclosure of Invention
In order to solve the problems, the invention provides a nuclear power-based offshore hydrogen production and ammonia production storage cabin platform, which aims to achieve the purpose of hydrogen production by combining available nuclear power at sea, and adopts the technical scheme that:
a nuclear power-based offshore hydrogen production and ammonia production storage cabin platform comprises a floating platform floating on the sea, wherein a nuclear power device, a power generation module and a power distribution module are arranged at one end of the floating platform and below a deck of the floating platform, an isolation empty cabin is arranged among the power generation module, the power distribution module and the nuclear power device, the nuclear power device is sequentially connected with the power generation module and the power distribution module through pipelines, and one or more liquid ammonia storage cabins are arranged below the deck of the floating platform.
The floating platform is characterized in that a seawater desalination device, an electrolytic hydrogen production module, an air nitrogen production module, an ammonia production module and an ammonia liquefaction module are arranged above a deck of the floating platform, the seawater desalination device, the electrolytic hydrogen production module, the ammonia liquefaction module and a liquid ammonia storage cabin are sequentially connected through pipelines, a branch pipeline extending out of the air nitrogen production module is connected with the ammonia production module, and a power distribution module is respectively connected with the seawater desalination device, the electrolytic hydrogen production module, the air nitrogen production module, the ammonia production module and the ammonia liquefaction module through pipelines. The power distribution module is connected with the wind power grid through a cable.
According to the offshore hydrogen production and ammonia production storage cabin platform based on nuclear power, furthermore, a steam turbine is arranged between the nuclear power device and the power generation module, and the nuclear power device is sequentially connected with the steam turbine and the power generation module.
According to the above marine hydrogen production and ammonia production storage tank platform based on nuclear power, further, the ammonia liquefaction module is communicated with the liquid ammonia storage tank.
According to the marine hydrogen and ammonia production storage cabin platform based on nuclear power, furthermore, the power generation module and the power distribution module are arranged in a cabin below a deck of the floating platform.
The above marine hydrogen and ammonia production storage tank platform based on nuclear power is characterized in that the floating platform is moored at an operation position through a mooring device.
The offshore hydrogen and ammonia production storage cabin platform based on nuclear power is further provided with an office building above a deck of the floating platform and on the side far away from the nuclear power device.
According to the offshore hydrogen production and ammonia production storage tank platform based on nuclear power, further, the liquid ammonia storage tank is a semi-cold semi-pressure storage tank or a full-cold storage tank.
According to the nuclear power-based offshore hydrogen production and ammonia production storage cabin platform, further, the seawater desalination device is an evaporative type or reverse osmosis type desalination device.
According to the offshore hydrogen and ammonia production storage cabin platform based on nuclear power, furthermore, the air nitrogen production module is provided with a supercharging device, and nitrogen generated by the air nitrogen production module is supplied into the ammonia production module through the supercharging device.
The marine hydrogen and ammonia production storage cabin platform based on nuclear power further comprises emergency generator sets positioned below a deck of the floating platform and below a living building
Nuclear energy is used as a primary clean energy source, but there are technical and regulatory limitations on onshore applications; the offshore wind power is used as another clean energy, so that the occupation of land resources is reduced, but the problems of long power transmission distance to land, large power transmission loss and unmatched power generation load and power transmission load also exist; the invention creatively provides that nuclear energy is efficiently utilized at sea, particularly near a wind field at sea, so as to provide electric power for hydrogen production and ammonia production at sea, and carbon emission reduction and carbon neutralization are realized by utilizing the convenience of liquid ammonia storage.
Compared with onshore centralized hydrogen and ammonia production plants, the invention has the advantages of distributed type and small scale, and is not limited by onshore landform, function division and safe distance. Meanwhile, the offshore platform is used as a floating structure, has high reproducibility, is beneficial to standardized construction and production management, can effectively reduce operation cost, and saves management cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a flow diagram of a floating platform operation;
FIG. 3 is a floating platform power flow diagram;
wherein: the system comprises a nuclear power device 1, a nuclear power generation module 2, a power distribution module 3, an electrolytic hydrogen production module 4, an air nitrogen production module 5, an ammonia production module 6, an ammonia liquefaction module 7, an office and living building 8, a liquid ammonia storage tank 9, a floating platform 10, a mooring device 11, an isolated empty tank 12 and an emergency generator set 13.
Detailed Description
Example 1
The invention is further explained with reference to the drawings.
As shown in fig. 1, a nuclear power-based offshore hydrogen production and ammonia production storage tank platform comprises a floating platform 10 floating on the sea surface, and the floating platform is fixed at a preset operation position through a mooring device 11. A nuclear power device 1 is arranged below a deck of the floating platform and at one end of the floating platform, an isolation empty cabin 12 is arranged at the position adjacent to the nuclear power device, and the nuclear power device is isolated from other equipment by the isolation empty cabin. Still be provided with power generation module 2, distribution module 3 and liquid ammonia storage tank 9 below the floating platform deck, power generation module and distribution module set up in the cabin of deck below, reduce the corruption influence of ocean salt water smoke to electrical system. Just can liquid ammonia storage tank set up in the deck below, can effectively utilize deck below space on the one hand, make full use of platform volume stores liquid ammonia as much as possible, on the other hand is favorable to floating platform's stationarity. An office building 8 is arranged above the deck of the floating platform at one end of the floating platform far away from the nuclear power device.
A seawater desalination device (not shown in the figure), an electrolytic hydrogen production module 4, an air nitrogen production module 5, an ammonia production module 6 and an ammonia liquefaction module 7 are arranged above the deck of the floating platform, and the modules are arranged above the deck, so that the system meets series requirements of ventilation and the like of an offshore operation platform, and is favorable for meeting the safety of offshore operation. The seawater desalination device, the electrolytic hydrogen production module, the ammonia liquefaction module and the liquid ammonia storage cabin are sequentially connected through pipelines, and the ammonia production module extends out of a branch pipeline to be connected with the air nitrogen production module.
As shown in fig. 2, after seawater is treated by the seawater desalination device, the formed fresh water enters the electrolytic hydrogen production module, and the electrolytic hydrogen production module electrolyzes the water into hydrogen and oxygen. The seawater desalination device can produce fresh water by using a mode of single or combined evaporation or reverse osmosis, fully separating water and salt in seawater, discharging the salt water to the outside of a ship, and storing the produced fresh water for later use. The electrolytic hydrogen production module decomposes water molecules into hydrogen and oxygen in an electrolytic manner (the main principle is as follows: cathode: 4H2O +4e- ═ 2H2+4OH-, anode: 4 OH-4 e- ═ O2+2H2O, and total reaction formula: 4H2O ═ 2H2+ O2). Wherein, hydrogen can be temporarily stored for later use through additionally arranging an intermediate storage tank, and can also be supplied to the ammonia production module through a supercharging device to be directly used as a raw material, and oxygen can be released into the atmosphere.
The generated hydrogen is sent to an ammonia production module, the hydrogen and nitrogen react to form ammonia gas in the ammonia production module, the nitrogen is used for processing air through an air nitrogen production module, the air is dehydrated, dry air with water removed is filtered through a membrane, the nitrogen in the air is filtered, the filtered nitrogen is supplied to the ammonia production module through a supercharging device and reacts with the hydrogen in the ammonia production module to form ammonia gas (the principle of ammonia synthesis is that an ammonia synthesis furnace is heated by using electric energy, the hydrogen and the nitrogen are introduced into the ammonia synthesis furnace, and the hydrogen and the nitrogen react to form the ammonia gas under the action of a catalyst, wherein the reaction formula is 4H2+ N2-2 NH3, the reaction temperature is set to be 400 +/-30 ℃, and the reaction pressure is 10 atm). The nitrogen filtered by the air nitrogen making module can also be temporarily stored for standby by adopting an intermediate storage tank. And cooling and liquefying the ammonia gas by an ammonia liquefying module to form liquid ammonia, and sending the liquid ammonia into a liquid ammonia storage cabin for storage. The ammonia is stored in a liquid state, so that the storage amount of the ammonia can be increased. According to the requirements of ship type, ship size, endurance and the like, the liquid ammonia storage tank can adopt different volumes, different types and different design pressures. The invention can adopt a semi-cold semi-pressure type (design temperature is 40 ℃ below zero, design pressure is 4-10 barg, C-type storage tank) or a full-cold type (design temperature is 40 ℃ below zero, design pressure is less than or equal to 0.7barg, A-type storage tank or B-type storage tank or film-type storage tank) according to the ship condition.
The offshore hydrogen and ammonia production storage cabin platform provided by the invention generates power by combining nuclear energy and wind energy, supplies power to each module, and ensures that the offshore hydrogen and ammonia production storage cabin platform operates. As shown in fig. 3, the nuclear power plant is connected to a driving steam turbine (not shown), the nuclear power plant converts nuclear energy into internal energy, the driving steam turbine converts the internal energy into mechanical energy, the mechanical energy drives the power generation module to convert the internal energy into electric energy, the power generation module is connected to the power distribution module, and the generated electric energy is transmitted to each module, so that the normal operation of the offshore hydrogen production and ammonia production storage tank platform is ensured. The power distribution module is further connected with an emergency generator set through a pipeline, the emergency generator set is used for generating power in an emergency state, the emergency generator set is arranged below a living building, and people can conveniently arrive at the emergency state quickly to operate and start. The offshore hydrogen production and ammonia production storage tank platform of the invention transmits electric power through nuclear energy. The offshore hydrogen and ammonia production storage cabin platform adopts electric energy as operation driving energy, the electric energy source is a nuclear power device and a wind power grid, and zero carbon emission in the whole production process is realized through nuclear power hydrogen and ammonia production.
Claims (10)
1. The utility model provides a marine hydrogen production ammonia production storage tank platform based on nuclear power which characterized in that: the floating type offshore power generation system is characterized by comprising a floating platform (10) floating on the sea, wherein a nuclear power device (1), a nuclear power generation module (2) and a power distribution module (3) are arranged at one end of the floating platform and below a deck of the floating platform, an isolation empty cabin (12) is arranged between the power generation module (2), the power distribution module (3) and the nuclear power device, the nuclear power device is sequentially connected with the power generation module and the power distribution module through pipelines, and one or more liquid ammonia storage cabins (9) are also arranged below the deck of the floating platform;
floating platform deck top is provided with sea water desalination device, electrolysis hydrogen manufacturing module (4), air system nitrogen module (5), system ammonia module (6), ammonia liquefaction module (7), sea water desalination device, electrolysis hydrogen manufacturing module, ammonia liquefaction module, liquid ammonia storage tank passes through the pipeline and connects in order, the branch pipeline that air system nitrogen module stretches out is connected with system ammonia module, distribution module one end is connected with nuclear power generation module respectively, emergency generator set (13), the other end passes through the pipeline respectively with sea water desalination device, electrolysis hydrogen manufacturing module, air system nitrogen module, ammonia production module, ammonia liquefaction module is connected.
2. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: and a driving steam turbine is arranged between the nuclear power device and the power generation module, and the nuclear power device is sequentially connected with the driving steam turbine and the power generation module.
3. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the ammonia liquefaction module is communicated with the liquid ammonia storage cabin.
4. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the power generation module and the power distribution module are arranged in a cabin below a deck of the floating platform.
5. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the floating platform is moored in an operating position by a mooring device (11).
6. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: an office building (8) is arranged above the deck of the floating platform and on the side far away from the nuclear power device.
7. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the liquid ammonia storage cabin is a semi-cold semi-pressure type storage cabin or a full-cold type storage cabin.
8. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the seawater desalination device is an evaporative type or reverse osmosis type desalination device.
9. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 1, which is characterized in that: the air nitrogen-making module is provided with a supercharging device, and nitrogen generated by the air nitrogen-making module is supplied into the ammonia-making module through the supercharging device.
10. The marine hydrogen and ammonia production storage tank platform based on nuclear power of claim 6, which is characterized in that: the emergency generator set is positioned below the deck of the floating platform and below the living building.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122118192.4U CN216185896U (en) | 2021-09-03 | 2021-09-03 | Marine hydrogen production ammonia production storage cabin platform based on nuclear power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122118192.4U CN216185896U (en) | 2021-09-03 | 2021-09-03 | Marine hydrogen production ammonia production storage cabin platform based on nuclear power |
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| Publication Number | Publication Date |
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| CN216185896U true CN216185896U (en) | 2022-04-05 |
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| CN202122118192.4U Active CN216185896U (en) | 2021-09-03 | 2021-09-03 | Marine hydrogen production ammonia production storage cabin platform based on nuclear power |
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2021
- 2021-09-03 CN CN202122118192.4U patent/CN216185896U/en active Active
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