CN217692681U - Offshore hydrogen energy preparation and absorption system - Google Patents

Abstract

The utility model relates to a marine wind power hydrogen manufacturing technical field, concretely relates to marine hydrogen energy preparation and absorption system, include: an offshore wind farm adapted to output electrical energy; an offshore hydrogen generation station electrically connected to the offshore wind farm, the offshore wind farm adapted to power the offshore hydrogen generation station; and one end of the hydrogenation pipeline is communicated with the hydrogen energy output end of the offshore hydrogen production station, and the other end of the hydrogenation pipeline is communicated with the hydrogen power water equipment. The hydrogen energy source prepared and stored by the offshore hydrogen generation station is directly conveyed to the hydrogen power water equipment through the hydrogenation pipeline to supply energy to the equipment, so that the onsite consumption of the hydrogen energy source prepared by the offshore hydrogen generation station is realized, the transportation cost of the hydrogen energy source transferred from the offshore hydrogen generation station to the land is saved, and the storage cost of the hydrogen energy source stored on the land for a long time is saved. Therefore, the defects that in the prior art, the offshore wind power hydrogen production transfer transportation cost is high and the onshore storage cost is high due to the fact that the offshore hydrogen production station is far away from the land and the hydrogen energy is stored on the land for a long time are overcome.

Description

Offshore hydrogen energy preparation and absorption system

Technical Field

The utility model relates to a marine wind power hydrogen manufacturing technical field, concretely relates to marine hydrogen energy preparation system of dissolving.

Background

The offshore wind power hydrogen production is one of the hot problems of the current domestic and foreign research, the offshore wind power plant is used for providing electric energy for electrolyzing water to produce hydrogen, and the offshore wind power hydrogen production method is a win-win solution for the development of offshore wind power and hydrogen energy.

Under the offshore hydrogen production mode in the prior art, an offshore hydrogen production platform needs to be built for placing electrical equipment, hydrogen production equipment, hydrogen storage equipment, auxiliary equipment and the like, electric energy generated by an offshore wind farm is transmitted to an offshore hydrogen production station through a submarine power cable, water electrolysis is directly carried out on the offshore hydrogen production station to produce hydrogen, and the produced hydrogen is transported to land for hydrogen power equipment. Currently, two transportation methods are generally adopted to land: firstly, filling prepared hydrogen in a hydrogen cylinder group, and transporting the hydrogen cylinders to a wharf hydrogen transfer site by a transport ship for onshore use and consumption; and secondly, the prepared hydrogen is conveyed to an onshore hydrogen storage device through a submarine conveying pipeline for onshore use and consumption. Most hydrogen power plants using and consuming hydrogen energy on land are hydrogen power ships, that is, after the hydrogen power ships are landed, the hydrogen energy stored on land is input into the hydrogen power ships to supply energy to the hydrogen power ships.

In the scheme, the hydrogen energy source needs to be transported onshore and stored by the offshore hydrogen production station, the onshore hydrogen storage device supplies energy to equipment such as a hydrogen power ship, when the offshore hydrogen production station is far away from the onshore, the transportation cost of offshore wind power hydrogen production transportation is high, and the hydrogen energy source needs to be stored on the onshore for a long time, so the storage cost is high.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in: the defects that in the prior art, the offshore wind power hydrogen production transfer transportation cost is high and the onshore storage cost is high due to the fact that the offshore hydrogen production station is far away from the land and the hydrogen energy is stored on the land for a long time are overcome.

Therefore, the utility model provides an offshore hydrogen energy preparation and absorption system, include:

an offshore wind farm adapted to output electrical energy;

the offshore hydrogen generation station is electrically connected with the offshore wind farm, the offshore wind farm is suitable for supplying power to the offshore hydrogen generation station, and the offshore hydrogen generation station is suitable for preparing and storing hydrogen energy;

and one end of the hydrogenation pipeline is communicated with the hydrogen energy output end of the offshore hydrogen generation station, and the other end of the hydrogenation pipeline is communicated with the hydrogen power water equipment.

Optionally, the hydrogenation conduit is a flexible conduit.

Optionally, the connection parts of the hydrogenation pipeline, the offshore hydrogen production station and the hydrogen-powered water equipment are respectively provided with a connecting assembly, and the connecting assembly is suitable for fixing and sealing the connection parts.

Optionally, the connecting assembly includes a fixing sleeve and a fixing joint disposed corresponding to the fixing sleeve.

Optionally, the offshore hydrogen plant is electrically connected to the offshore wind farm by a medium voltage submarine cable.

Optionally, the offshore wind farm is provided with a hydrogen transportation cabin, a compressor and a diversion pipeline are arranged in the hydrogen transportation cabin, and the diversion pipeline is communicated with the hydrogenation pipeline and is suitable for compressing hydrogen energy and leading the hydrogen energy out of the hydrogenation pipeline.

Optionally, the offshore wind farm comprises:

a platform foundation adapted to be disposed offshore;

a plurality of prefabricated cabins, by the prefabricated shaping of mill, be provided with the electrical equipment of different functions in the prefabricated cabin to be suitable for the modularization range to set up on the platform basis, prefabricated cabin includes:

the electricity leading and voltage reducing cabin group is suitable for being electrically connected with an external power supply device and supplying power to the plurality of prefabricated cabins;

the seawater desalination cabin is electrically connected with the electricity-leading and voltage-reducing cabin group and is used for providing fresh water required by hydrogen production;

the hydrogen production cabin is communicated with the seawater desalination cabin, is electrically connected with the seawater desalination cabin and is used for producing hydrogen;

and the hydrogen storage cabin is communicated with and electrically connected with the hydrogen production cabin and is used for storing hydrogen, and the hydrogen conveying cabin is communicated with and electrically connected with the hydrogen storage cabin.

Optionally, the voltage-carrying voltage reduction cabin group comprises:

the medium-voltage switch cabinet cabin is suitable for being electrically connected with an external power supply device and is provided with a medium-voltage switch cabinet for monitoring and protecting medium-voltage electric energy supplied from the outside;

the electric main system cabin is electrically connected with the medium-voltage switch cabinet cabin, and is provided with a step-down transformer for stepping down medium-voltage electric energy supplied from the outside;

and the low-voltage power distribution cabinet cabin is electrically connected with the electric main system cabin and is used for supplying power to the plurality of prefabricated cabins.

Optionally, the power-supply voltage-reduction cabin group further comprises an energy storage cabin electrically connected with the low-voltage power distribution cabinet cabin and adapted to supply power to the prefabricated cabins.

Optionally, the offshore wind farm further comprises:

the plug-in cable interface is arranged on the prefabricated cabin;

and the plug-in cable is suitable for being connected with the plug-in cable interface, and the two prefabricated cabins are electrically connected through the plug-in cable.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a marine hydrogen energy preparation system of dissolving, include: an offshore wind farm adapted to output electrical energy; the offshore hydrogen generation station is electrically connected with the offshore wind farm, the offshore wind farm is suitable for supplying power to the offshore hydrogen generation station, and the offshore hydrogen generation station is suitable for preparing and storing hydrogen energy; and one end of the hydrogenation pipeline is communicated with the hydrogen energy output end of the offshore hydrogen production station, and the other end of the hydrogenation pipeline is communicated with the hydrogen power water equipment.

The utility model provides a marine hydrogen energy preparation system of dissolving, when the marine equipment of hydrogen power removes to the position nearer apart from marine hydrogen making station, directly carry the hydrogen energy of marine hydrogen making station preparation storage to the marine equipment of hydrogen power on water for its energy supply through the hydrogenation pipeline, realized dissolving on the spot of marine hydrogen making station preparation hydrogen energy to the cost of transportation on the land from marine hydrogen making station has been practiced thrift to the hydrogen energy, and the storage cost of storing the hydrogen energy on land for a long time. Therefore, the defects that in the prior art, the offshore wind power hydrogen production transfer transportation cost is high and the onshore storage cost is high due to the fact that the offshore hydrogen production station is far away from the land and the hydrogen energy is stored on the land for a long time are overcome.

2. The utility model provides a marine hydrogen energy preparation system of dissolving, the hydrogenation pipeline is flexible pipeline.

Due to the influence of waves, the hydrogen power ship is not in a static state when the hydrogen is added at sea, a hydrogen adding pipeline for conveying hydrogen energy between the hydrogen preparing station at sea and the hydrogen power water equipment is set to be a flexible pipeline, the fluctuation range of the hydrogen power water equipment is considered in the length redundancy calculation of the flexible pipeline, the length of the hydrogen adding pipeline is designed according to a limit fluctuation value, the hydrogen adding pipeline is prevented from being disconnected from the hydrogen preparing station at sea or the hydrogen power water equipment due to the influence of waves, and the stability of hydrogen conveying is improved.

3. The utility model provides a marine hydrogen energy preparation system of consuming, the hydrogenation pipeline with marine hydrogen station and the junction of hydrogen power equipment on water sets up coupling assembling respectively, coupling assembling is suitable for fixedly and seals the junction.

Through coupling assembling fixed connection hydrogenation pipeline and marine hydrogen station, hydrogenation pipeline and hydrogen power equipment on water, stability when further improving hydrogen and carrying to set up the sealing washer in the junction and carry out sealing connection, hydrogen energy source leaks when avoiding hydrogenation.

4. The utility model provides a marine hydrogen energy preparation system of dissolving, coupling assembling include the adapter sleeve and with the adapter sleeve corresponds the fixed joint who sets up.

When the connecting component is arranged between the hydrogenation pipeline and the offshore hydrogen generation station, one of the hydrogenation pipeline and the offshore hydrogen generation station is provided with the fixed sleeve, and the other of the hydrogenation pipeline and the offshore hydrogen generation station is provided with the fixed joint. The connecting assembly is arranged between the hydrogenation pipeline and the hydrogen power water equipment, and the stability of hydrogen gas during conveying is improved.

5. The utility model provides a marine hydrogen energy preparation system of dissolving, offshore wind farm is provided with hydrogen and carries the cabin, is provided with compressor and water conservancy diversion pipeline in it, the water conservancy diversion pipeline with hydrogenation pipeline intercommunication is suitable for the compression hydrogen energy and to hydrogenation pipeline derives the hydrogen energy.

After hydrogen energy sources prepared and stored by the offshore hydrogen production station enter the hydrogen conveying cabin, the hydrogen energy sources are introduced into a flow guide pipeline through compression treatment, the flow guide pipeline is communicated with the hydrogenation pipeline, and the hydrogen energy sources are conveyed to the hydrogenation pipeline through the flow guide pipeline and further conveyed to the hydrogen power water equipment.

6. The utility model provides a marine hydrogen energy preparation system of dissolving, offshore wind farm includes: a platform foundation adapted to be disposed offshore; the prefabricated cabins are prefabricated and molded by factories, and electrical equipment with different functions is arranged in the prefabricated cabins and is suitable for being arranged on the platform foundation in a modularized mode.

The electrical equipment is divided into the prefabricated cabins with different standard sizes according to functions for factory prefabrication, compared with the prefabricated cabins constructed on the sea site, the construction period is shortened, meanwhile, the relevant electrical equipment is integrated in the corresponding prefabricated cabins, the position planning of the electrical equipment is more reasonable, the occupied space of the equipment is reduced, a plurality of prefabricated cabins are arranged on the sea platform in a modularized mode during installation, the prefabricated cabins are electrically connected with one another to form a sea hydrogen production station, and the whole occupied space of the sea hydrogen production station is further reduced.

7. The utility model provides a marine hydrogen energy preparation system of dissolving, it includes to draw the electric step-down cabin group: the medium-voltage switch cabinet cabin is suitable for being electrically connected with an external power supply device, and is provided with a medium-voltage switch cabinet for monitoring and protecting medium-voltage electric energy supplied by the outside; the electric main system cabin is electrically connected with the medium-voltage switch cabinet cabin, and is provided with a step-down transformer for stepping down medium-voltage electric energy supplied from the outside; and the low-voltage power distribution cabinet cabin is electrically connected with the electric main system cabin and is used for supplying power to the prefabricated cabins.

The medium-voltage switch cabinet cabin monitors and protects medium-voltage electric energy from an offshore wind farm, the electric main system cabin performs voltage reduction treatment on the medium-voltage electric energy from the medium-voltage switch cabinet cabin to a voltage value suitable for supplying energy to electrical equipment of a plurality of prefabricated cabins, and finally the low-voltage electric energy from the electric main system cabin is output through the low-voltage power distribution cabinet cabin to supply power to the prefabricated cabins, so that the medium-voltage electric energy of an offshore wind farm is converted into low-voltage electric energy suitable for being used by an offshore hydrogen plant.

8. The utility model provides a marine hydrogen energy preparation system of consuming states electricity and steps down cabin group and still includes the energy storage cabin, with low-voltage distribution cabinet cabin electrical connection is suitable for and is a plurality of prefabricated cabin power supply.

One part of low-voltage electric energy output by the low-voltage power distribution cabinet cabin is used for supplying power to the plurality of prefabricated cabins, the other part of low-voltage electric energy is stored in the energy storage cabin, and when wind power generation of an offshore wind power plant is not enough to meet the electric energy supply of the offshore hydrogen generation station, the energy storage cabin discharges electricity to supply the electric equipment of each prefabricated cabin, so that the stable operation of the offshore hydrogen generation station is ensured, and the environmental adaptability of the offshore hydrogen generation station is improved.

9. The utility model provides a marine hydrogen energy preparation system of dissolving, offshore wind farm still includes: the plug-in cable interface is arranged on the prefabricated cabin; and the plug-in cable is suitable for being connected with the plug-in cable interface, and the two prefabricated cabins are electrically connected through the plug-in cable.

The pluggable cable interfaces are arranged on the prefabricated cabins when prefabricated in a factory, the pluggable cables suitable for being connected with the pluggable cable interfaces are prefabricated in the factory, the prefabricated cabins with different functions are electrically connected through the pluggable cables when the platform foundation is assembled, plug and play are achieved, connection circuits among a plurality of prefabricated cabins do not need to be constructed on site, and the construction period of the offshore hydrogen generation station is further shortened.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an offshore hydrogen energy production and absorption system provided by the present invention;

FIG. 2 is a schematic structural diagram of a hydrogenation pipeline provided by the present invention;

fig. 3 is a schematic structural diagram of a front view angle of an offshore hydrogen production station provided by the present invention;

fig. 4 is a schematic structural diagram of a back view angle of the offshore hydrogen generation station provided by the present invention.

Description of reference numerals:

1. an offshore wind farm; 2. an offshore hydrogen plant; 3. a hydrogenation conduit; 4. a hydrogen powered marine device; 5. fixing the sleeve; 6. fixing the joint; 7. a medium voltage sea cable; 8. a platform foundation; 9. a seawater desalination cabin; 10. a hydrogen production cabin; 11. a hydrogen storage compartment; 12. a hydrogen delivery compartment; 13. a medium voltage switchgear cabinet; 14. an electrical main system bay; 15. a low voltage power distribution cabinet compartment; 16. an energy storage compartment; 17. controlling a protection cabin; 18. heating and ventilating the cabin; 19. a fire-fighting chamber; 20. a communication cabin; 21. a base support; 22. constructing a deck; 23. and (4) an equipment deck.

Detailed Description

The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Example 1

In the present embodiment, as shown in fig. 1 to 4, in the prior art, a hydrogen energy source needs to be transported onshore from an offshore hydrogen generation station and stored, and an onshore hydrogen storage device supplies energy to equipment such as a hydrogen-powered ship, so that when the offshore hydrogen generation station is far from the onshore, transportation cost for offshore wind power hydrogen generation transportation is high, and the hydrogen energy source needs to be stored onshore for a long time, so that storage cost is high.

For this purpose, the offshore hydrogen energy generation and consumption system provided in this embodiment, as shown in fig. 1 to fig. 4, includes: the system comprises an offshore wind farm 1, an offshore hydrogen production station 2, a hydrogenation pipeline 3 and a hydrogen power water device 4.

An offshore wind park 1 adapted to output electrical energy.

Specifically, the offshore wind farm 1 converts wind energy into electric energy for output.

The offshore hydrogen production station 2 is electrically connected with the offshore wind farm 1, the offshore wind farm 1 is suitable for supplying power to the offshore hydrogen production station 2, and the offshore hydrogen production station 2 is suitable for preparing and storing hydrogen energy.

Specifically, as shown in fig. 1, the electric energy output by the offshore wind farm 1 is further input to the offshore hydrogen generation station 2 to supply power to the electrical equipment of the offshore hydrogen generation station 2.

One end of the hydrogenation pipeline 3 is communicated with the hydrogen energy output end of the offshore hydrogen production station 2, and the other end is communicated with the hydrogen power water equipment 4.

Specifically, as shown in fig. 1, the output end of the hydrogen energy source of the offshore hydrogen production station 2 is suitable for outputting hydrogen energy, the hydrogen-powered water equipment 4 is suitable for moving on the sea surface, and when in hydrogenation, the hydrogen-powered water equipment 4 moves to a position close to the offshore hydrogen production station 2, and the hydrogen-powered water equipment 4 is directly powered through the hydrogenation pipeline 3.

Further, the hydrogen powered water device 4 is a hydrogen powered vessel.

According to the offshore hydrogen energy preparation and consumption system provided by the embodiment, when the offshore hydrogen power water equipment 4 moves to a position close to the offshore hydrogen generation station 2, the hydrogen energy prepared and stored in the offshore hydrogen generation station 2 is directly conveyed to the offshore hydrogen power water equipment 4 through the hydrogenation pipeline 3 to supply energy to the offshore hydrogen power water equipment 4, so that the onsite consumption of the offshore hydrogen generation station 2 for preparing the hydrogen energy is realized, the transportation cost of the hydrogen energy transferred from the offshore hydrogen generation station 2 to the onshore and the storage cost of the onshore long-term hydrogen energy storage are saved. Therefore, the defects that in the prior art, the offshore wind power hydrogen production transfer transportation cost is high and the onshore storage cost is high due to the fact that the offshore hydrogen production station is far away from the land and the hydrogen energy is stored on the land for a long time are overcome.

In addition to the above embodiments, the hydrogenation conduit 3 is a flexible conduit as a further limited embodiment.

Specifically, because of the influence of waves, the hydrogen power ship is not in a static state when the hydrogen is hydrogenated at sea, the hydrogenation pipeline 3 for conveying hydrogen energy between the marine hydrogen production station 2 and the hydrogen power water equipment 4 is set as a flexible pipeline, the fluctuation range of the hydrogen power water equipment 4 is considered in the length redundancy calculation of the flexible pipeline, the length of the hydrogenation pipeline 3 is designed according to a limit fluctuation value, the disconnection of the hydrogenation pipeline 3 and the marine hydrogen production station 2 or the hydrogen power water equipment 4 caused by the influence of waves is avoided, and therefore the stability of the hydrogen conveying is improved.

On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 1 and fig. 2, connection assemblies are respectively arranged at the connection positions of the hydrogenation pipeline 3, the offshore hydrogen generation station 2 and the hydrogen-powered water device 4, and the connection assemblies are suitable for fixing and sealing the connection positions.

Specifically, through coupling assembling fixed connection hydrogenation pipeline 3 and marine hydrogen station 2, hydrogenation pipeline 3 and hydrogen power equipment 4 on water, stability when further improving hydrogen and carrying to set up the sealing washer in the junction and carry out sealing connection, hydrogen energy source when avoiding hydrogenation leaks.

On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 2, the connection assembly includes a fixing sleeve 5 and a fixing joint 6 provided corresponding to the fixing sleeve 5.

Specifically, when the connecting assembly is arranged between the hydrogenation pipeline 3 and the offshore hydrogen generation station 2, the fixed sleeve 5 is arranged on one of the hydrogenation pipeline 3 and the offshore hydrogen generation station 2, and the fixed joint 6 is arranged on the other of the hydrogenation pipeline 3 and the offshore hydrogen generation station 2. The connecting assembly is arranged between the hydrogenation pipeline 3 and the hydrogen power water equipment 4, and the stability of hydrogen gas during conveying is improved.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 1, the offshore hydrogen plant 2 and the offshore wind farm 1 are electrically connected by a medium-voltage sea cable 7.

Specifically, the offshore hydrogen plant 2 is electrically connected with the offshore wind farm 1 through a medium-voltage submarine cable 7 to transmit electric energy.

As a further limited embodiment, as shown in fig. 3 and 4, the offshore wind farm 1 is provided with a hydrogen transportation compartment 12, which is provided with a compressor and a diversion pipeline, wherein the diversion pipeline is communicated with the hydrogenation pipeline 3 and is suitable for compressing the hydrogen energy and leading the hydrogen energy to the hydrogenation pipeline 3.

Specifically, after hydrogen energy stored in the offshore hydrogen production station 2 enters the hydrogen conveying cabin 12, the hydrogen energy is compressed and guided into the diversion pipeline, the diversion pipeline is communicated with the hydrogenation pipeline 3, and the hydrogen energy is conveyed to the hydrogenation pipeline 3 through the diversion pipeline and further conveyed to the hydrogen power water equipment 4.

As a more limited embodiment, in addition to the above-described embodiment, as shown in fig. 1 and 2, the offshore wind farm 1 includes: a platform foundation 8, a plurality of prefabricated cabins and the like.

A platform foundation 8 adapted to be disposed offshore.

Specifically, as shown in fig. 3 and 4, the platform foundation 8 is arranged at sea to provide installation positions for a plurality of prefabricated cabins, and the embodiment does not limit the specific structural form of the platform foundation 8 and can stably bear the prefabricated cabins.

And the plurality of prefabricated cabins are prefabricated and molded by factories, are provided with electrical equipment with different functions and are suitable for being arranged on the platform foundation 8 in a modularized mode.

Specifically, as shown in fig. 3 and 4, the prefabricated cabin is prefabricated and molded in a factory, the electrical equipment is divided into prefabricated cabins with different standard sizes according to functions and configured, the electrical equipment completes testing of each functional equipment in the factory, is installed in the prefabricated cabin and then debugged and tested, is transported to the platform foundation 8 for assembly after prefabrication is completed, a plurality of prefabricated cabins with electrical equipment with different functions are arranged in a modularized manner according to a certain rule, and the prefabricated cabins with different functions are electrically connected with one another to finally form the offshore hydrogen generation station.

The prefabricated cabin includes: the system comprises an electricity-leading pressure-reducing cabin group, a seawater desalination cabin 9, a hydrogen production cabin 10, a hydrogen storage cabin 11, a hydrogen conveying cabin 12 and the like.

And the electricity leading and voltage reducing cabin group is suitable for being electrically connected with an external power supply device to supply power for the plurality of prefabricated cabins.

Specifically, an external power supply device of the offshore hydrogen production station is usually an offshore wind farm, the offshore wind farm converts wind energy into electric energy and transmits the electric energy to the offshore hydrogen production station, the electric energy is subjected to voltage reduction treatment by the power-on voltage reduction cabin, and finally the voltage value suitable for supplying power to the electric equipment of the plurality of prefabricated cabins is output by the power-on voltage reduction cabin to supply power to the plurality of prefabricated cabins.

The seawater desalination cabin 9 is electrically connected with the electricity-leading voltage-reducing cabin group and is used for providing fresh water required by hydrogen production;

specifically, the seawater desalination tank 9 is adapted to extract seawater and perform desalination treatment, and provide fresh water required for hydrogen production for the hydrogen production tank 10 communicated therewith.

And the hydrogen production cabin 10 is communicated with and electrically connected with the seawater desalination cabin 9 and is used for producing hydrogen.

The hydrogen storage cabin 11 is communicated and electrically connected with the hydrogen production cabin 10 and is used for storing hydrogen, and the hydrogen conveying cabin 12 is communicated and electrically connected with the hydrogen storage cabin 11.

Specifically, the hydrogen storage tank 11 temporarily stores the hydrogen energy source prepared by the hydrogen production tank 10, and then delivers the hydrogen energy source to the hydrogen pipeline 3 and the hydrogen powered water equipment 4, so as to reserve a storage space for the newly prepared hydrogen energy source.

Furthermore, the communication function between the hydrogen production cabin 10 and the seawater desalination cabin 9 is to introduce fresh water required for hydrogen production into the hydrogen production cabin 10 from the seawater desalination cabin 9, and the communication function between the hydrogen storage cabin 11 and the hydrogen production cabin 10 is to introduce newly produced hydrogen energy into the hydrogen storage cabin 11 from the hydrogen production cabin 10. When the factory is prefabricated, connecting through holes are reserved on the prefabricated cabins, and the corresponding prefabricated cabins are communicated by using the conveying pipelines when the platform foundation 8 is assembled.

Furthermore, the embodiment does not limit the electrical connection form among a plurality of prefabricated cabins, and can realize the stable operation of electrical equipment in the prefabricated cabins.

Further, fig. 3 and 4 referred to in this embodiment are schematic diagrams of the prefabricated cabin arranged on the platform foundation 8, and the "front side" and "back side" in the description of the drawings only refer to the arrangement form on the sea of the offshore hydrogen generation station in fig. 3 and 4, that is, the specific arrangement mode of the prefabricated cabin can be adjusted accordingly according to the actual situation.

This embodiment provides marine hydrogen plant, carry out the mill prefabrication through dividing electrical equipment into different standard size's prefabricated cabin according to the function, construction cycle has been shortened in the construction of marine site relatively, it is in the prefabricated under-deck that corresponds to integrate relevant electrical equipment simultaneously, make its position plan more reasonable, reduce equipment occupation space, and during the installation a plurality of prefabricated cabins of modular arrangement on the offshore platform basis, prefabricated cabin electrical connection forms marine hydrogen plant each other again, further reduce the whole occupation space of marine hydrogen plant.

On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the voltage leading and reducing tank group includes: a medium-voltage switch cabinet compartment 13, an electric main system compartment 14 and a low-voltage power distribution cabinet compartment 15.

And the medium-voltage switch cabinet cabin 13 is suitable for being electrically connected with an external power supply device, and the medium-voltage switch cabinet cabin 13 is provided with a medium-voltage switch cabinet and used for monitoring and protecting medium-voltage electric energy supplied from the outside.

And the electric main system cabin 14 is electrically connected with the medium-voltage switch cabinet cabin 13, and the electric main system cabin 14 is provided with a step-down transformer for reducing the voltage of the medium-voltage electric energy supplied from the outside.

And the low-voltage power distribution cabinet cabin 15 is electrically connected with the electric main system cabin 14 and is used for supplying power to the plurality of prefabricated cabins.

Specifically, the medium-voltage switch cabinet cabin 13 monitors and protects medium-voltage electric energy from an offshore wind farm, the electric main system cabin 14 reduces the medium-voltage electric energy from the medium-voltage switch cabinet cabin 13 to a voltage value suitable for supplying power to electrical equipment of a plurality of prefabricated cabins, and finally the low-voltage electric energy from the electric main system cabin 14 is output through the low-voltage switch cabinet cabin 15 to supply power to the prefabricated cabins, so that the medium-voltage electric energy of the offshore wind farm is converted into low-voltage electric energy suitable for being used by an offshore hydrogen plant.

On the basis of the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the electricity leading and voltage reducing cabin group further comprises an energy storage cabin 16 electrically connected with the low-voltage distribution cabinet cabin 15 and adapted to supply power to a plurality of prefabricated cabins.

Specifically, one part of low-voltage electric energy output by the low-voltage power distribution cabinet cabin 15 is used for supplying power to a plurality of prefabricated cabins, the other part of low-voltage electric energy is stored in the energy storage cabin 16, and when wind power generation of an offshore wind power plant is insufficient to meet the electric energy supply of an offshore hydrogen generation station, the energy storage cabin 16 discharges electricity to supply the electricity to the electric equipment of each prefabricated cabin, so that the stable operation of the offshore hydrogen generation station is ensured, and the environmental adaptability of the offshore hydrogen generation station is improved.

In addition to the above embodiments, as a further limited embodiment, as shown in fig. 3 and 4, the offshore wind farm 1 further includes: plug-in cable interface, plug-in cable.

And the plug-in type cable interface is arranged on the prefabricated cabin.

The plug-in type cable is suitable for being connected with the plug-in type cable interface, and the two prefabricated cabins are electrically connected through the plug-in type cable.

Specifically, the plug-in cable interfaces are arranged on the prefabricated cabins when the plug-in cable interfaces are prefabricated in a factory, meanwhile, the plug-in cables suitable for being connected with the plug-in cable interfaces are prefabricated in the factory, when the platform foundation 8 is assembled, the prefabricated cabins with different functions are electrically connected through the plug-in cables, plug and play is achieved, a connecting circuit among a plurality of prefabricated cabins does not need to be constructed on site, and the construction period of the offshore hydrogen generation station is further shortened.

On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 3 and 4, the offshore hydrogen generation station further comprises a control protection cabin 17, which is suitable for regulating and controlling electrical equipment in a plurality of prefabricated cabins, and the energy storage cabin 16 is electrically connected with the control protection cabin 17.

Specifically, the control protection cabin 17 is suitable for opening the electric energy storage of the energy storage cabin 16 to supply power to the electrical equipment of each prefabricated cabin when the wind power generation of the offshore wind power plant is insufficient to meet the electric energy supply of the offshore hydrogen generation station, so that the power supply mode is adjusted in time to maintain the stable operation of the power supply system of the offshore hydrogen generation station.

On the basis of the above embodiment, as a further limited embodiment, as shown in fig. 3 and fig. 4, the offshore hydrogen plant further includes a heating and ventilating cabin 18, a fire fighting cabin 19 and a communication cabin 20, which are electrically connected with the control and protection cabin 17 respectively.

Specifically, the heating and ventilation cabin 18 is adapted to heat the offshore hydrogen generation station, the fire cabin 19 is adapted to provide fire protection for the offshore hydrogen generation station, and the communication cabin 20 is adapted to provide communication support for the offshore hydrogen generation station. The heating and ventilation cabin 18, the fire-fighting cabin 19 and the communication cabin 20 are respectively and electrically connected with the control protection cabin 17, and the control protection cabin 17 respectively regulates and controls the cabins, so that the stable operation of the offshore hydrogen plant is ensured.

As a further limited embodiment, in addition to the above-described embodiment, as shown in fig. 3 and 4, the platform base 8 includes: foundation support 21, construction deck 22, equipment deck 23.

A foundation support 21 adapted to be placed offshore.

And the construction deck 22 is arranged on the upper part of the foundation support 21 and is suitable for placing the plug-in type cable and construction operation.

And the equipment deck 23 is arranged on the upper part of the construction deck 22 and is suitable for arranging a plurality of prefabricated cabins in a modularized mode.

Specifically, the platform foundation 8 is made of a steel structure, and the foundation support 21 is arranged on the sea through a stable structure, so that the position of the offshore hydrogen production station on the sea is ensured to be fixed; the construction deck 22 is adapted to house redundant plug-in cables and facilitate construction work by workers; the equipment deck 23 provides an installation location for the prefabricated cabins. The upright columns and the inclined struts are arranged between the foundation support 21 and the construction deck 22 and between the construction deck 22 and the equipment deck 23, so that the structural strength of the platform foundation 8 is improved, and the operation stability of the offshore hydrogen production station is further improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims (10)

1. An offshore hydrogen energy production and consumption system, comprising:

an offshore wind farm (1) adapted to output electrical energy;

an offshore hydrogen plant (2) electrically connected to the offshore wind farm (1), the offshore wind farm (1) being adapted to power the offshore hydrogen plant (2), the offshore hydrogen plant (2) being adapted to produce a stored hydrogen energy source;

and one end of the hydrogenation pipeline (3) is communicated with the hydrogen energy output end of the offshore hydrogen generation station (2), and the other end of the hydrogenation pipeline is communicated with the hydrogen power overwater equipment (4).

2. An offshore hydrogen energy production and consumption system according to claim 1, c h a r a c t e r i z e d in that the hydrogenation conduit (3) is a flexible conduit.

3. An offshore hydrogen energy production and consumption system according to claim 1, wherein connection assemblies are provided at the connection of the hydrogenation pipeline (3) to the offshore hydrogen plant (2) and the hydrogen powered water plant (4), respectively, said connection assemblies being adapted to secure and seal said connection.

4. An offshore hydrogen energy production and consumption system according to claim 3, wherein said connection assembly comprises a stationary sleeve (5) and a stationary joint (6) arranged in correspondence of said stationary sleeve (5).

5. An offshore hydrogen energy production and consumption system according to claim 1, characterised in that the offshore hydrogen plant (2) is electrically connected to the offshore wind farm (1) by means of medium voltage sea cables (7).

6. Offshore hydrogen energy generation and consumption system according to any of claims 1-5, wherein said offshore wind farm (1) is provided with a hydrogen transport compartment (12) in which a compressor and a diversion pipeline are arranged, said diversion pipeline being in communication with said hydrogenation pipeline (3) and adapted to compress and conduct hydrogen energy to said hydrogenation pipeline (3).

7. Offshore hydrogen energy production and consumption system according to claim 6, characterized in that said offshore wind farm (1) comprises:

a platform foundation (8) adapted to be disposed offshore;

a plurality of prefabricated cabins, by the prefabricated shaping of mill, be provided with the electrical equipment of different functions in the prefabricated cabin to be suitable for the modularization range to set up on platform basis (8), prefabricated cabin includes:

the electricity leading and voltage reducing cabin group is suitable for being electrically connected with an external power supply device and supplying power to the plurality of prefabricated cabins;

the seawater desalination cabin (9) is electrically connected with the electricity-leading pressure-reducing cabin group and is used for providing fresh water required by hydrogen production;

the hydrogen production cabin (10) is communicated with the seawater desalination cabin (9) and is electrically connected with the seawater desalination cabin for producing hydrogen;

the hydrogen storage cabin (11) is communicated and electrically connected with the hydrogen production cabin (10) and is used for storing hydrogen, and the hydrogen conveying cabin (12) is communicated and electrically connected with the hydrogen storage cabin (11).

8. An offshore hydrogen energy production and consumption system, according to claim 7, characterized in that said electricity-inducing pressure-reducing tank group comprises:

the medium-voltage switch cabinet cabin (13) is suitable for being electrically connected with an external power supply device, and the medium-voltage switch cabinet cabin (13) is provided with a medium-voltage switch cabinet and is used for monitoring and protecting medium-voltage electric energy supplied from the outside;

the electric main system cabin (14) is electrically connected with the medium-voltage switch cabinet cabin (13), and the electric main system cabin (14) is provided with a step-down transformer for stepping down medium-voltage electric energy supplied from the outside;

and the low-voltage power distribution cabinet cabin (15) is electrically connected with the electric main system cabin (14) and is used for supplying power to the plurality of prefabricated cabins.

9. An offshore hydrogen energy preparation and consumption system, according to claim 8, characterized in that said electricity-bringing and voltage-reducing cabin group further comprises an energy storage cabin (16), electrically connected to said low voltage distribution cabinet cabin (15), adapted to power several of said prefabricated cabins.

10. An offshore hydrogen energy production and consumption system according to claim 7, wherein said offshore wind farm (1) further comprises:

the plug-in type cable interface is arranged on the prefabricated cabin;

and the plug-in cable is suitable for being connected with the plug-in cable interface, and the two prefabricated cabins are electrically connected through the plug-in cable.

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