Offshore wind power and hydrogen production and storage integrated platform and system

By combining jacket structures and hydrogen production and storage equipment in offshore wind farms, the problems of low utilization rate and resource waste of offshore wind power have been solved, achieving efficient utilization of hydrogen energy and improving the economic efficiency and resource utilization rate of offshore wind farms.

CN223578117UActive Publication Date: 2025-11-21SHANDONG ELECTRIC POWER ENG CONSULTING INST CORP
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422743871.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-11-21
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

Offshore wind farms suffer from low utilization rates and serious resource waste, especially in terms of large-scale integration and management. Furthermore, existing solutions occupy large areas of sea space and rely on a single method of resource utilization.

Method used

Design an integrated offshore wind power and hydrogen production and storage platform. The platform uses a jacket structure for the wind turbine foundation, combined with hydrogen production and storage equipment. The wind turbine power is transmitted to the power grid and hydrogen storage equipment through a rectifier and transformer module. Hydrogen is transported by a hydrogen-powered ship. Energy storage modules are set up to cope with harsh environments and reduce the use of submarine cables.

Benefits of technology

It has improved the utilization rate of offshore wind power, saved sea area, reduced transportation costs, solved the problems of intermittency and volatility of offshore wind farms, achieved efficient utilization of hydrogen energy, and improved economic efficiency and resource utilization.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223578117U_ABST
    Figure CN223578117U_ABST
Patent Text Reader

Abstract

The utility model provides an offshore wind power and hydrogen production and storage integrated platform and system, the platform comprises a fan foundation and a hydrogen production and storage platform located on the fan foundation and used for bearing hydrogen production and storage equipment, the fan foundation comprises a plurality of tubular piles, and the tubular piles are fixedly connected through rod pieces; the hydrogen production and storage platform adopts a jacket structure, and the jacket structure is fixedly connected with the tubular pile through an outer inclined strut; the system comprises the offshore wind power and hydrogen production and storage integrated platform, a draught fan, a rectification transformation module and hydrogen production and storage equipment, the hydrogen production and storage equipment is arranged on the upper layer hydrogen production and storage platform and the lower layer hydrogen production and storage platform, and electric energy output by the draught fan passes through the rectification transformation module and then is conveyed to an external power grid and the hydrogen storage equipment.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to offshore wind power technical field especially relates to a kind of offshore wind power and hydrogen production and storage integrated platform and system. BACKGROUND

[0002] The statements in this section merely provide background information related to the utility model and do not necessarily constitute prior art.

[0003] Offshore wind power technology is expected to become an important pillar of future green energy sources due to its abundant resources and large utilization potential. However, current offshore wind farms have intermittent, volatile, and random issues in practical applications. Large-scale offshore wind power consumption has always been a technical and management challenge, and offshore wind power utilization is low. In addition, existing offshore wind power solutions occupy a large amount of sea space, utilize a single marine resource, and greatly waste sea area and resources. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of offshore wind power and hydrogen production and storage integrated platform and system to solve the problem of low offshore wind power utilization rate and waste of sea area and resources in traditional scheme.

[0005] According to the first aspect of the utility model embodiment, an offshore wind power and hydrogen production and storage integrated platform is provided, which includes a wind turbine foundation and a hydrogen production and storage platform for carrying hydrogen production and storage equipment on the wind turbine foundation. The wind turbine foundation adopts a jacket structure, which includes a plurality of pipe piles, and the pipe piles are fixedly connected by rod members. The hydrogen production and storage platform is fixedly connected with the pipe piles by external diagonal braces.

[0006] Further, the hydrogen production and storage platform includes two layers, and the upper layer is spaced from the wind turbine blade by a predetermined safety air gap.

[0007] Further, the lower layer of the hydrogen production and storage platform is also fixedly connected with the wind turbine foundation by internal diagonal braces.

[0008] Further, both layers of the hydrogen production and storage platform are provided with fences.

[0009] Further, a diagonal ladder is provided between the two layers of the hydrogen production and storage platform.

[0010] Further, the wind turbine foundation is also provided with a ship docking component, which is connected with the diagonal ladder.

[0011] According to the second aspect of the embodiment of the utility model, a kind of offshore wind power and hydrogen production and storage integrated system is provided, including the offshore wind power and hydrogen production and storage integrated platform described above, fan, rectifier voltage transformation module and hydrogen production and storage equipment, the hydrogen production and storage equipment is set to upper and lower two layers hydrogen production and storage platform, wherein the electric energy exported by the fan is respectively conveyed to hydrogen production and storage equipment and external power grid after rectifier voltage transformation module.

[0012] Further, the system further includes an energy storage module for emergency power supply for the hydrogen production and storage equipment.

[0013] Further, the rectifier voltage transformation module is connected with the fan, and the rectifier voltage transformation module is connected with the energy storage module and the hydrogen production and storage module respectively.

[0014] Further, the hydrogen production and storage equipment includes a hydrogen production equipment and a hydrogen storage equipment, wherein the hydrogen production equipment and the hydrogen storage equipment are separated by a partition plate.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The utility model provides a kind of offshore wind power and hydrogen production and storage integrated platform and system, and the scheme is by being set to hydrogen production and storage platform on fan foundation, with offshore fan share a base, can greatly improve sea area applicable area, improve economy;

[0017] The fan foundation in the scheme is different from the traditional single-pile structure, and the use of jacket foundation can further save the use of marine resources.

[0018] The scheme considers the intermittency, volatility and randomness of offshore wind farms in practical applications, and effectively utilizes the remaining power after the fan sends power to the power grid by combining hydrogen production and storage with the fan, thereby improving the utilization rate of offshore wind energy.

[0019] The scheme can effectively reduce the use length of submarine cable by placing hydrogen production and storage equipment on the fan foundation.

[0020] The energy storage module provided in the scheme can effectively cope with the function of offshore hydrogen production and storage system in harsh environment.

[0021] The scheme can transport the liquid tank containing hydrogen to the shore by hydrogen energy ship through the setting of the ship berthing component, which effectively reduces the cost compared with the transportation of hydrogen through pipeline.

[0022] The advantages of the additional aspects of the utility model will be partially given in the following description, some will become apparent from the following description, or be understood through the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0023] The accompanying drawings, which form a part of this patent, are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and serve to explain the principles of the application. The drawings are not intended to be to scale.

[0024] Figure 1 A schematic diagram of an overall structure of an offshore wind power and hydrogen production and storage integrated platform is shown in the embodiments of the present application;

[0025] Figure 2 A schematic diagram of a hydrogen production and storage equipment operation process is shown in the embodiments of the present application;

[0026] 1, fan foundation; 2, upper hydrogen production and storage platform; 3, lower hydrogen production and storage platform; 4, alongside member; 5, inclined body; 6, inner inclined brace; 7, outer inclined brace; 8, fence; 9, fan foundation transition section. DETAILED DESCRIPTION

[0027] The present application will be further described below with reference to the drawings and embodiments.

[0028] It should be noted that the following detailed description is illustrative only, and is intended to provide further description of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the application belongs.

[0029] It should be noted that the terms used herein are only intended to describe specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is intended to include the plural form, and in addition, it should be understood that when the terms "comprise" and / or "include" are used in the specification, there is a feature, step, operation, device, component and / or combination thereof.

[0030] The embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0031] In order to solve the problems existing in the prior art, the scheme described in the embodiments of the present application combines hydrogen energy with offshore wind power, produces hydrogen by electrolyzing water with wind power, stores the produced hydrogen in organic liquid for high density and long time, and transports the liquid tank containing hydrogen to the shore by hydrogen energy ship, to solve the problems of intermittency, volatility and randomness of offshore wind farms in practical application, and the technical and management difficulties of large-scale offshore wind power consumption; at the same time, transporting the liquid tank containing hydrogen to the shore by hydrogen energy ship can also solve the technical and economic constraints of hydrogen energy transportation in the open sea to a certain extent, and improve the utilization rate of offshore wind power and marine space.

[0032] As Figure 1 shown, the embodiment provides an offshore wind power and hydrogen production and storage integrated platform, comprising a wind turbine foundation 1 and a hydrogen production and storage platform for carrying hydrogen production and storage equipment on the wind turbine foundation 1, wherein the wind turbine foundation adopts a jacket structure comprising a plurality of pipe piles, the pipe piles are fixedly connected through a rod; the hydrogen production and storage platform is fixedly connected with the pipe piles through outer diagonal braces 7.

[0033] In a specific implementation, the hydrogen production and storage platform comprises two layers, wherein a predetermined safety air gap is provided between the upper hydrogen production and storage platform 2 and the top wind turbine blade of the wind turbine foundation 1.

[0034] It can be understood that the height of the two-layer hydrogen production and storage platform can be determined according to the height of the internal hydrogen production and storage equipment, and the safety air gap between the upper hydrogen production and storage platform 2 and the wind turbine blade can also be set according to actual needs.

[0035] In a specific implementation, the upper and lower hydrogen production and storage platforms are respectively provided with outer diagonal braces 7 at four end points, and are connected with the jacket structure through the outer diagonal braces 7, and at the same time, since the lower hydrogen production and storage platform 3 bears a larger load, it is connected with the jacket structure through the inner diagonal braces 6.

[0036] In a specific implementation, as Figure 1 shown, the upper hydrogen production and storage platform 2 and the transition section 9 of the wind turbine foundation are connected together, so that the inner diagonal brace is not required.

[0037] In a specific implementation, the truss beams of the upper and lower hydrogen production and storage platforms are cross-shaped and form a network structure, and the distance between the truss beams is reasonably arranged according to the weight of the upper equipment.

[0038] It can be understood that the truss beams of the upper and lower hydrogen production and storage platforms are strengthened according to the weight of the actually arranged equipment.

[0039] Further, the two-layer hydrogen production and storage platforms are both provided with fences 8.

[0040] In addition, a diagonal ladder 5 is arranged between the two-layer hydrogen production and storage platforms, and in particular, the diagonal ladder is arranged on the diagonal legs of the jacket of the two-layer platforms, and the upper and lower platforms are connected through the diagonal ladder.

[0041] In addition, the wind turbine foundation is also provided with a berthing member 4, and the berthing member 4 is connected with the diagonal ladder 5.

[0042] In one or more embodiments, based on the above platform, an offshore wind power and hydrogen production and storage integrated system is provided, comprising the above offshore wind power and hydrogen production and storage integrated platform, a wind turbine, a rectifier and transformer module, and hydrogen production and storage equipment, wherein the hydrogen production and storage equipment is arranged on the two-layer hydrogen production and storage platforms, and the electrical energy output by the wind turbine is transmitted to the external power grid and the hydrogen production and storage equipment through the rectifier and transformer module.

[0043] Specifically, the embodiment effectively improves the utilization rate of offshore wind energy by primarily using the electric energy generated by the fan to deliver to the external power grid, and using the remaining electric energy to store hydrogen.

[0044] In specific implementation, because the hydrogen production and storage equipment consumes time and effort in starting and stopping, the system described in the embodiment is equipped with an energy storage module according to the hydrogen production capacity, to cope with the severe weather at sea and provide emergency power supply for the hydrogen production and storage equipment.

[0045] In specific implementation, the rectifier and transformer module is connected with the fan, and the rectifier and transformer module is connected with the energy storage module and the hydrogen production and storage module, respectively.

[0046] In specific implementation, the hydrogen production and storage equipment includes a hydrogen production equipment and a hydrogen storage equipment, and the hydrogen production equipment and the hydrogen storage equipment are separated by a partition.

[0047] As can be understood, as shown in the hydrogen production and storage equipment, Figure 2 The hydrogen production equipment and the hydrogen storage equipment mainly include a raw material and product module, a hydrogenation module, and a hydrogen gas pressurization module.

[0048] The raw material and product module includes a hydrogen-poor liquid raw material tank, a hydrogen-rich liquid raw material tank, a hydrogen-poor liquid pump, and a hydrogen-poor liquid unloading pump; the hydrogenation module includes a hydrogenation reactor, a hydrogen gas-liquid reactor, a hydrogenation cooler, a hydrogen-poor liquid heater, a hydrogen gas heater, a hydrogenation secondary separator, a heating heat removal pry, and a hot water expansion tank; and the hydrogen gas pressurization module includes a fresh hydrogen gas compressor and a hydrogen gas buffer tank.

[0049] As can be understood, the hydrogen production and storage also requires auxiliary system equipment, specifically including a seawater desalination device, a cooling water device, and a nitrogen preparation and storage device. Because the specific hydrogen production and storage all use existing equipment, further description is not provided here.

[0050] The above only describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can be changed and modified in various ways. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An offshore wind power and hydrogen production and storage integrated system, characterized in that, The system comprises a fan foundation and a hydrogen production and storage platform located on the fan foundation and used for carrying hydrogen production and storage equipment, a fan, a rectifier and transformer module and the hydrogen production and storage equipment, the hydrogen production and storage equipment is arranged on the upper and lower hydrogen production and storage platforms, wherein the electric energy output by the fan is transmitted to an external power grid and the hydrogen production and storage equipment respectively after the rectifier and transformer module. The fan foundation adopts a jacket structure and comprises a plurality of pipe piles, the pipe piles are fixedly connected through a rod, the hydrogen production and storage platform is fixedly connected with the pipe piles through outer diagonal braces, the hydrogen production and storage platform comprises an upper layer and a lower layer, the lower hydrogen production and storage platform is further fixedly connected with the fan foundation through inner diagonal braces, and an inclined ladder is arranged between the upper and lower hydrogen production and storage platforms.

2. The offshore wind power and hydrogen production and storage integrated system according to claim 1, wherein, The system further comprises an energy storage module used for emergency power supply for the hydrogen production and storage equipment.

3. The offshore wind power and hydrogen production integrated system of claim 2, wherein The rectifier and transformer module is connected with the fan, and is connected with the energy storage module and the hydrogen production and storage module respectively.

4. The offshore wind power and hydrogen production integrated system of claim 1, wherein The hydrogen production and storage equipment comprises a hydrogen production equipment and a hydrogen storage equipment, and the hydrogen production equipment and the hydrogen storage equipment are separated by a partition plate.

5. The offshore wind power and hydrogen production and storage integrated platform is applied to the offshore wind power and hydrogen production and storage integrated system of any one of claims 1-4, characterized in that, The system comprises a fan foundation and a hydrogen production and storage platform located on the fan foundation and used for carrying hydrogen production and storage equipment, wherein the fan foundation adopts a jacket structure and comprises a plurality of pipe piles, the pipe piles are fixedly connected through a rod, the hydrogen production and storage platform is fixedly connected with the pipe piles through outer diagonal braces, the hydrogen production and storage platform comprises an upper layer and a lower layer, the lower hydrogen production and storage platform is further fixedly connected with the fan foundation through inner diagonal braces, and an inclined ladder is arranged between the upper and lower hydrogen production and storage platforms.

6. The offshore wind power and hydrogen production integrated platform of claim 5, wherein, A preset safety air gap is arranged between the upper hydrogen production and storage platform and the fan blades on the top of the fan foundation.

7. The offshore wind power and hydrogen production integrated platform of claim 6, wherein, The upper and lower hydrogen production and storage platforms are both provided with fences.

8. The offshore wind power and hydrogen production integrated platform of claim 5, wherein, The fan foundation is further provided with a berthing member, and the berthing member is connected with the inclined ladder.