JP3242050U - Hydrogen production equipment for offshore wind power generation and wind power generation system - Google Patents

Abstract

An object of the present invention is to provide a hydrogen production apparatus for offshore wind power generation that overcomes the technically difficult and difficult to realize heat dissipation of hydrogen production equipment. A hydrogen production apparatus for offshore wind power generation includes a hydrogen production platform 10, a hydrogen production facility 20 installed on the hydrogen production platform, and a power supply installed on the hydrogen production platform and electrically connected to the hydrogen production facility. It comprises a facility 30 and a water cooling facility 40 connected to the hydrogen production facility and suitable for being at least partially immersed in seawater. The circulating water in the water cooling equipment is used to remove the heat generated in the process of operating the hydrogen production equipment, and the cooling performance of the seawater itself is used to cool the circulating water in the water cooling equipment, thereby setting the appropriate temperature range for the hydrogen production equipment. The structure of the water cooling equipment is simple and easy to operate. [Selection drawing] Fig. 1

Description

TECHNICAL FIELD The present invention relates to the technical field of hydrogen production for offshore wind power generation, and more particularly to a hydrogen production device for offshore wind power generation and a wind power generation system.

With the increasing demand for renewable energy all over the world, the development and utilization of clean energy such as wind energy, solar energy will gradually become an important support for the energy transition. Offshore wind power generation resources have been extensively developed in recent years due to their abundant reserves, cleanness and high efficiency. At present, offshore wind power generation applied to fixed foundations accounts for about 30% of the amount of technological development, and floating wind power generation accounts for more than 70%. In the development process of deep-sea floating wind power generation, the transportation cost of electric energy is getting higher and higher, and converting electric energy into hydrogen energy for transportation becomes a feasible means.

At present, the main technical means proposed by domestic and foreign research institutes are the method of producing hydrogen by transporting the electric energy of the offshore wind farm to the onshore hydrogen production facility by cable, and the method of producing hydrogen on the sea. There are two methods including building a platform to directly produce hydrogen from the electric energy of offshore wind power generation and transporting it to land via a hydrogen transport pipe. Compared with the first kind of technical means, the second kind of technical means has better economic benefits and gradually gains more and more attention.

Since the production of hydrogen by electrolyzing water is an exothermic reaction, it is necessary to incorporate a heat dissipation system to dissipate heat from the hydrogen production equipment in order to keep the hydrogen production equipment operating within an appropriate temperature range. be. In the prior art, heat dissipation to hydrogen production equipment is achieved mainly by constructing cooling towers or other cooling facilities, while building cooling towers or other cooling facilities on offshore hydrogen production platforms is technically difficult. It has drawbacks such as high difficulty and high cost, and is difficult to realize.

Therefore, the problem to be solved by the present invention is to overcome the technical difficulty of the heat dissipation of the hydrogen production equipment in the conventional technology, and to overcome the drawback that it is difficult to realize, and to develop a hydrogen production device for offshore wind power generation and a wind power generation system. to provide.

To solve the above problems, the present invention provides a hydrogen production platform, a hydrogen production facility installed on the hydrogen production platform, and a power source installed on the hydrogen production platform and electrically connected to the hydrogen production facility. Provided is a hydrogen production apparatus for offshore wind power generation, comprising a facility and a water cooling facility connected to the hydrogen production facility and suitable for at least a portion of which is immersed in seawater.

Optionally, the water cooling equipment comprises a heat dissipation structure, a cold water conduit and a hot water conduit, one ends of the cold water conduit and the hot water conduit are both connected to the heat dissipation structure, and The cold water pipe and the other end of the hot water pipe are both connected to the hydrogen production equipment, and the heat dissipation structure is suitable for being immersed in seawater.

Optionally, the connection point between the cold water conduit and the heat dissipation structure is higher than the connection point between the hot water conduit and the heat dissipation structure.

Optionally, the heat dissipation structure comprises a plurality of heat sinks arranged in sequence and spaced apart.

Optionally, said power supply facility is electrically connected to said hydrogen production facility via a DC cable, and said power supply facility is adapted to be electrically connected to a wind power unit via an AC cable. .

Optionally, the hydrogen production equipment for offshore wind power generation further comprises a hydrogen storage facility installed on the hydrogen production platform, wherein the hydrogen production facility and the hydrogen storage facility communicate via a hydrogen production transportation pipe. are doing.

Optionally, said offshore wind hydrogen generator further comprises a marine transportation pipe communicating with said hydrogen storage facility.

Optionally, said offshore wind hydrogen production device further comprises a fixed structure suitable for connection at one end to said hydrogen production platform and at the other end to be connected to the sea bed.

The present invention further provides a wind power generation system comprising the above hydrogen production device for offshore wind power generation.

Optionally, said wind power system further comprises a wind power unit electrically connected to said power installation.

The present invention has the following advantages.

1. The hydrogen production equipment for offshore wind power generation according to the present invention uses the circulating water in the water cooling equipment, and the cooling performance of the seawater itself, which is generated in the process of operating the hydrogen production equipment, to operate the hydrogen production equipment in a suitable temperature range, and the structure of the water cooling equipment is simple and easy to implement.

2. The hydrogen production equipment for offshore wind power generation according to the present invention uses cold water pipelines to provide cooled circulating water to the hydrogen production equipment, and hot water pipelines to provide heated circulation to the hydrogen production equipment. By discharging water and exchanging heat with seawater through the heat dissipation structure, the cooling of the circulating water is realized, the circulating use of the circulating water is ensured, and the closed circulation structure is formed by the heat dissipation structure, the cold water pipe and the hot water pipe. This effectively saves circulating water usage, reduces the load capacity required for the hydrogen production platform, and reduces the load capacity requirements of the hydrogen production platform, thereby improving economic efficiency.

3. In the hydrogen production equipment for offshore wind power generation according to the present invention, the connection point between the cold water pipe and the heat dissipation structure is set higher than the connection point between the hot water pipe and the heat dissipation structure, so that the circulating water is circulated. dynamic balance and the stability of the heat dissipation process are ensured.

4. The hydrogen production equipment for offshore wind power generation according to the present invention has a plurality of heat dissipation plates installed at intervals, so that the heat dissipation area is increased and the heat dissipation capacity of the heat dissipation structure is improved.

In order to more clearly describe the specific embodiments of the present invention or the technical means in the prior art, the following briefly describes the drawings used to describe the specific embodiments or the prior art, and clearly , The drawings described below are some embodiments of the present invention, and those skilled in the art can also obtain other drawings based on these drawings without creative effort.

Fig. 2 shows a structural schematic diagram of the entire hydrogen production equipment for offshore wind power generation according to an embodiment of the present invention;

The following clearly and completely describes the technical solution of the present invention with reference to the drawings, and clearly, the described embodiments are only some embodiments of the present invention, not all embodiments. . All other embodiments obtained by those skilled in the art based on the embodiments in the present invention without creative efforts are within the patent scope of the present invention.

It should be noted that in the description of the present invention, directions or Positional relationships are based on illustrated orientations or positional relationships and are used only to facilitate and simplify the description of the present invention, such devices or components necessarily have a particular orientation, It is not intended or implied to be constructed or operated in any particular orientation and should not be construed as limiting the invention. Also, it should be understood that the terms "first," "second," and "third" are used for descriptive purposes only and do not indicate or imply relative importance.

In the description of the present invention, the terms "attachment", "connection", and "connection" should be understood in a broad sense, unless otherwise clearly defined or restricted. or an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, or an internal communication between the two elements. A person skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

It should be noted that the technical features of the various embodiments of the invention described below can be combined with each other as long as they do not contradict each other.

One specific embodiment of the hydrogen production apparatus for offshore wind power generation shown in FIG. The hydrogen production equipment 20 and the power supply equipment 30 are both installed on the hydrogen production platform 10 , and the power supply equipment 30 is electrically connected to the hydrogen production equipment 20 . A water cooling facility 40 is connected to the hydrogen production facility 20, and at least a portion of the water cooling facility 40 is suitable for being immersed in seawater.

In addition, the hydrogen production equipment 20 decomposes water into hydrogen and oxygen by the action of the power supply equipment 30 to realize the production of hydrogen.

The circulating water in the water cooling equipment 40 is used to remove the heat generated in the process of operating the hydrogen production equipment 20, and the cooling performance of the seawater itself is used to cool the circulating water in the water cooling equipment 40, thereby supplying the hydrogen production equipment 20. It operates in an appropriate temperature range, and the structure of the water cooling equipment 40 is simple and easy to implement.

As shown in FIG. 1 , the water cooling equipment 40 includes a heat dissipation structure 41 , a cold water pipe 42 and a hot water pipe 43 , one ends of the cold water pipe 42 and the hot water pipe 43 are connected to the heat dissipation structure 41 . , the other ends of the cold water pipe 42 and the hot water pipe 43 are connected to the hydrogen production equipment 20, and the heat dissipation structure 41 is immersed in seawater.

In this embodiment, as shown in FIG. 1, the lower ends of the cold water pipe 42 and the hot water pipe 43 are connected to the heat dissipation structure 41, and the upper ends of the cold water pipe 42 and the hot water pipe 43 are connected to the hydrogen production equipment 20. be.

In addition, in the process in which the circulating water flows through the hydrogen production equipment 20, the hydrogen production equipment 20 takes away the heat generated in the electrolysis process, and the heat dissipation structure 41 arranged below the sea level is used to realize heat dissipation.

The cold water pipe 42 is used to supply cooled circulating water to the hydrogen production equipment 20 , the hot water pipe 43 is used to discharge the heated circulating water to the hydrogen production equipment 20 , and the heat dissipation structure 41 heats the seawater and heat. By performing the exchange, cooling of the circulating water is realized, the circulating use of the circulating water is ensured, and a closed circulation structure is formed by the heat radiation structure 41, the cold water pipe 42 and the hot water pipe 43, whereby the circulating water Usage is effectively saved, the load capacity required for the hydrogen production platform 10 is reduced, and the requirements for the load capacity of the hydrogen production platform 10 are reduced, thereby improving economic efficiency.

In this embodiment, as shown in FIG. 1, the connection point between the cold water pipe 42 and the heat dissipation structure 41 is higher than the connection point between the hot water pipe 43 and the heat dissipation structure 41, and the dynamics of the circulating process of the circulating water are increased. The balance and the stability of the heat dissipation process are ensured. That is, the lower end of the cold water pipe 42 is higher than the lower end of the hot water pipe 43 .

In this embodiment, as shown in FIG. 1, the heat dissipation structure 41 includes a plurality of heat dissipation plates arranged in order and spaced apart, so that the heat dissipation area is increased and the heat dissipation capability of the heat dissipation structure 41 is improved. do.

Of course, the heat dissipation structure 41 may have other shapes and structures as long as the heat dissipation effect is ensured.

As shown in FIG. 1 , the power supply facility 30 is electrically connected to the hydrogen production facility 20 via a DC cable 50 , and the power supply facility 30 is electrically connected to the wind power generation unit via an AC cable 60 . The offshore wind power generation unit uses the power generation principle of the wind power generator to convert the offshore wind energy into alternating current electrical energy, and transport it to the power supply equipment 30 in the hydrogen production platform 10 through the alternating current cable 60, where the power supply equipment 30 is , AC electric energy supplied through the AC cable 60 is converted into DC electric energy that can be used by the hydrogen production facility 20, and is transported to the hydrogen production facility 20 through the DC cable 50 for use.

As shown in FIG. 1 , the hydrogen production apparatus for offshore wind power generation further includes a hydrogen storage facility 70 , the hydrogen storage facility 70 is installed on the hydrogen production platform 10 , and the hydrogen production facility 20 and the hydrogen storage facility 70 are used for hydrogen production. They are in communication via a transport pipe 80 .

As shown in FIG. 1, the hydrogen production apparatus for offshore wind power generation further includes a marine transportation pipe 90 communicating with the hydrogen storage facility 70 .

The hydrogen produced by the hydrogen production facility 20 is transported to the hydrogen storage facility 70 via a hydrogen production transport pipe 80, and the hydrogen in the hydrogen storage facility 70 is transported to a hydrogen receiving site on land via a marine transport pipe 90. , completed the hydrogen production process for offshore wind power generation.

As shown in FIG. 1, the offshore wind power hydrogen production device further comprises a fixed structure 100 suitable for connection to the hydrogen production platform 10 at one end and to the sea bed at the other end. Specifically, in this embodiment, the fixing structure 100 is a bracket wire, and a plurality of bracket wires are installed, and the plurality of bracket wires are installed at intervals along the circumferential direction of the hydrogen production platform 10 . By installing bracket wires to fix the hydrogen production platform 10, it is ensured that the hydrogen production platform 10 can be used stably in environments such as sea breeze and waves.

This example further provides one specific embodiment of the wind power system. This wind power generation system includes the hydrogen production device for offshore wind power generation. The wind power system further comprises a wind power unit electrically connected to the power supply facility 30 . Therefore, by converting offshore wind power into hydrogen energy and transporting it in real time using a hydrogen production device for offshore wind power generation, the cost of marine power transmission cables can be saved, contributing to the cost reduction of offshore wind power generation.

When using the hydrogen production apparatus for offshore wind power generation of this embodiment, the offshore wind power generation unit converts wind energy into alternating current electrical energy and transports it to the power supply equipment 30 through the alternating current cable 60, and the power supply equipment 30: AC electric energy is converted into DC electric energy and transported to the hydrogen production equipment 20 through the DC cable 50, the hydrogen production equipment 20 electrolyzes water to produce hydrogen, and the produced hydrogen is sent to the hydrogen production transportation pipe. 80 to the hydrogen storage facility 70, and the hydrogen in the hydrogen storage facility 70 is transported via marine transportation pipe 90 to a land-based hydrogen receiving site. Here, the heat generated by the hydrogen production equipment 20 in the electrolysis process is taken away by the circulating water provided by the water cooling equipment 40. Specifically, the circulating water flows through the hydrogen production equipment 20 and takes heat, The circulating water heated by 20 enters the heat dissipation structure 41 through the hot water pipe 43. In the heat dissipation structure 41, the circulating water and seawater exchange heat to achieve cooling and temperature reduction. , return to the hydrogen production equipment 20 through the cold water line 42 to complete the entire circulation process of the circulating water.

Based on the above description, the present application has the following advantages.

1. The heat dissipation structure 41 is placed in the seawater to fully utilize the cooling performance of the seawater to realize the heat dissipation of the hydrogen production equipment 20 .

2. Replacing the cooling tower or other cooling facilities of the conventional hydrogen production system, solving the heat dissipation problem of hydrogen production for offshore wind power generation.

3. The water cooling equipment 40 forms a closed circulation structure, which effectively saves the consumption of circulating water, reduces the load required for the hydrogen production platform 10, and reduces the load capacity requirements of the hydrogen production platform 10. , thereby improving economy.

Obviously, the above examples are merely illustrative for purposes of clarity and do not limit the embodiments. Persons skilled in the art can make various other changes or modifications based on the above description. It is not necessary or impossible to cover all embodiments here. Obvious changes or variations derived therefrom are also within the patent scope of the present invention.

10 Hydrogen production platform 20 Hydrogen production equipment 30 Power supply equipment 40 Water cooling equipment 41 Heat radiation structure 42 Cold water pipe 43 Hot water pipe 50 DC cable 60 AC cable 70 Hydrogen storage equipment 80 Hydrogen production and transportation pipe 90 Marine transportation pipe 100 Fixed structure

Claims (10)

A hydrogen production device for offshore wind power generation,
a hydrogen production platform (10);
a hydrogen production facility (20) installed on the hydrogen production platform (10);
a power supply facility (30) installed on the hydrogen production platform (10) and electrically connected to the hydrogen production facility (20);
A hydrogen production apparatus for offshore wind power generation, comprising: a water cooling facility (40) that is connected to the hydrogen production facility (20) and is at least partially immersed in seawater. Said water cooling equipment (40) comprises a heat dissipation structure (41), a cold water pipe (42) and a hot water pipe (43), one of said cold water pipe (42) and said hot water pipe (43) Both ends are connected to the heat dissipation structure (41), the other ends of the cold water pipe (42) and the hot water pipe (43) are both connected to the hydrogen production equipment (20), and the heat dissipation structure ( 41) is suitable for being immersed in seawater, the hydrogen production apparatus for offshore wind power generation according to claim 1. 3. The method according to claim 2, characterized in that the connection point between the cold water pipe (42) and the heat dissipation structure (41) is higher than the connection point between the hot water pipe (43) and the heat dissipation structure (41). hydrogen production equipment for offshore wind power generation. The apparatus for producing hydrogen for offshore wind power generation according to claim 2, wherein the heat dissipation structure (41) comprises a plurality of heat dissipation plates arranged in sequence and installed at intervals. The power supply facility (30) is electrically connected to the hydrogen production facility (20) via a DC cable (50), and the power supply facility (30) is connected to the wind power unit via an AC cable (60). 5. The hydrogen production device for offshore wind power generation according to any one of claims 1 to 4, characterized in that it is suitable for being electrically connected. A hydrogen storage facility (70) installed on the hydrogen production platform (10) is further provided, and the hydrogen production facility (20) and the hydrogen storage facility (70) are in communication via a hydrogen production transport pipe (80). The hydrogen production apparatus for offshore wind power generation according to any one of claims 1 to 4, characterized in that The hydrogen production apparatus for offshore wind power generation according to claim 6, further comprising a marine transportation pipe (90) communicating with the hydrogen storage facility (70). 5. A fixed structure (100) according to any one of claims 1 to 4, characterized in that it further comprises a fixed structure (100) adapted to be connected at one end to said hydrogen production platform (10) and at the other end to be connected to the sea bed. hydrogen production equipment for offshore wind power generation. A wind power generation system comprising the hydrogen production device for offshore wind power generation according to any one of claims 1 to 4. 10. The wind power system of claim 9, further comprising a wind power unit electrically connected to the power supply facility (30).

Images