CN217239518U - Power generation system based on offshore wind power - Google Patents

Power generation system based on offshore wind power Download PDF

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Publication number
CN217239518U
CN217239518U CN202220305249.3U CN202220305249U CN217239518U CN 217239518 U CN217239518 U CN 217239518U CN 202220305249 U CN202220305249 U CN 202220305249U CN 217239518 U CN217239518 U CN 217239518U
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hydrogenation
storage tank
synthesis
power generation
fuel cell
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CN202220305249.3U
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张畅
王金意
余智勇
任志博
王鹏杰
巩玉栋
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Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
Sichuan Huaneng Baoxinghe Hydropower Co Ltd
Sichuan Huaneng Kangding Hydropower Co Ltd
Huaneng Mingtai Power Co Ltd
Sichuan Huaneng Dongxiguan Hydropower Co Ltd
Sichuan Huaneng Fujiang Hydropower Co Ltd
Sichuan Huaneng Hydrogen Technology Co Ltd
Sichuan Huaneng Jialingjiang Hydropower Co Ltd
Sichuan Huaneng Taipingyi Hydropower Co Ltd
Original Assignee
Huaneng Clean Energy Research Institute
Huaneng Group Technology Innovation Center Co Ltd
Sichuan Huaneng Baoxinghe Hydropower Co Ltd
Sichuan Huaneng Kangding Hydropower Co Ltd
Huaneng Mingtai Power Co Ltd
Sichuan Huaneng Dongxiguan Hydropower Co Ltd
Sichuan Huaneng Fujiang Hydropower Co Ltd
Sichuan Huaneng Hydrogen Technology Co Ltd
Sichuan Huaneng Jialingjiang Hydropower Co Ltd
Sichuan Huaneng Taipingyi Hydropower Co Ltd
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Application filed by Huaneng Clean Energy Research Institute, Huaneng Group Technology Innovation Center Co Ltd, Sichuan Huaneng Baoxinghe Hydropower Co Ltd, Sichuan Huaneng Kangding Hydropower Co Ltd, Huaneng Mingtai Power Co Ltd, Sichuan Huaneng Dongxiguan Hydropower Co Ltd, Sichuan Huaneng Fujiang Hydropower Co Ltd, Sichuan Huaneng Hydrogen Technology Co Ltd, Sichuan Huaneng Jialingjiang Hydropower Co Ltd, Sichuan Huaneng Taipingyi Hydropower Co Ltd filed Critical Huaneng Clean Energy Research Institute
Priority to CN202220305249.3U priority Critical patent/CN217239518U/en
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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Abstract

The utility model relates to a power generation system based on offshore wind power, power generation system based on offshore wind power includes: the device comprises an offshore power generation device, a hydrogenation substrate storage tank, a raw material water storage tank, a synthesis device, a hydrogenation product storage tank and a fuel cell device, wherein the offshore power generation device is connected with the synthesis device and used for supplying power to the synthesis device, the hydrogenation substrate storage tank is connected with the synthesis device and used for supplying hydrogenation substrates to the synthesis device, the raw material water storage tank is connected with the synthesis device and used for supplying raw material water to the synthesis device, the synthesis device is connected with the hydrogenation product storage tank and used for supplying hydrogenation products to the hydrogenation product storage tank, the hydrogenation product storage tank is connected with the fuel cell device and used for supplying hydrogenation products to the fuel cell device, and the fuel cell device is used for converting the hydrogenation products into hydrogen and hydrogenation substrates. The utility model discloses a power generation system based on offshore wind power's cost is lower, the security is higher.

Description

Power generation system based on offshore wind power
Technical Field
The utility model relates to a hydrogen energy and fuel cell technical field specifically, relate to a power generation system based on marine wind power.
Background
Many coastal islands in China are limited in load and long in conveying distance, and laying of sea cables is more costly in the technical and economic aspects, so that power supply is generally lacked in remote islands. And the wind energy resources on the island are sufficient, and offshore wind power generation becomes an ideal choice for energy supply of the island.
Wind energy is an inexhaustible energy source without pollution, but intermittent and fluctuating characteristics of the wind energy cause the wind power to be in random and fluctuating states. The energy storage technology has the characteristics of dynamically absorbing energy and timely and stably releasing the energy, can effectively make up for the defects of wind power intermittency and volatility, and improves the controllability and stability level of power generation.
Hydrogen has the characteristics of cleanness, no pollution, high utilization rate and the like, can directly convert chemical energy into electric energy through a fuel cell, and is widely regarded as an ideal energy storage medium. However, in the related art, the cost of hydrogen preparation is high, and the reliability of hydrogen storage and transportation is poor, so that potential safety hazards exist.
Disclosure of Invention
The present invention aims at solving at least one of the technical problems in the related art to a certain extent.
Therefore, the embodiment of the utility model provides a lower, the higher power generation system based on offshore wind power of security of cost.
The utility model discloses a power generation system based on offshore wind power includes: a marine power generation device, a hydrogenation substrate storage tank, a raw material water storage tank, a synthesis device, a hydrogenation product storage tank and a fuel cell device, the offshore power generation device is a wind power motor, the synthesis device is an electrochemical synthesis device, the offshore power generation device is connected with the synthesis device and used for supplying power to the synthesis device, the hydrogenation substrate storage tank is connected with the synthesis device and is used for supplying hydrogenation substrates to the synthesis device, the raw water storage tank is connected with the synthesis device and used for supplying raw water to the synthesis device, the synthesis device is connected with the hydrogenation product storage tank and is used for supplying hydrogenation products to the hydrogenation product storage tank, the hydrogenation product storage tank is connected with the fuel cell device and is used for supplying hydrogenation products to the fuel cell device, and the fuel cell device is used for converting the hydrogenation products into hydrogen and hydrogenation substrates.
According to the utility model discloses a power generation system based on marine wind power, the method that can utilize the electrochemistry to sea water and oxygen-containing organic matter are the raw materials, carry out electrochemistry hydrogenation, and the fuel cell device can turn into hydrogen with hydrogenation resultant as required, generates electricity with supplying with fuel cell, thereby compensates the not enough problem of power consumption load when marine wind power low ebb, when the electric quantity is sufficient, can stop this reaction, avoids hydrogen to store with the form of hydrogen, has improved the utility model discloses a security when power generation system based on marine wind power uses of embodiment, and use cost is lower.
In some embodiments, the fuel cell device includes a pretreatment unit for converting the hydrogenation product into the hydrogen gas and the hydrogenation substrate, the pretreatment unit is connected with the hydrogenation substrate storage tank for conveying the hydrogenation substrate into the hydrogenation substrate storage tank, and the pretreatment unit is connected with the fuel cell body for introducing the hydrogen gas into the fuel cell body.
In some embodiments, the offshore wind power-based power generation system further comprises a separation device, the synthesis device is connected with the hydrogenation product storage tank through the separation device, the separation device is connected with the hydrogenation substrate storage tank, and the separation device is used for separating the unused hydrogenation substrate in the synthesis device and conveying the hydrogenation substrate to the hydrogenation substrate storage tank.
In some embodiments, the synthesis apparatus has a cathode side and an anode side, a proton exchange membrane is disposed in the synthesis apparatus, the hydrogenation substrate storage tank is connected to the cathode side, and the feed water storage tank is connected to the anode side.
In some embodiments, the synthesis apparatus has a cathode side and an anode side, an anion exchange membrane is disposed in the synthesis apparatus, the hydrogenation substrate storage tank is connected to the cathode side, and the raw water storage tank is connected to the cathode side.
In some embodiments, an electrolyte is disposed within the synthesis device, the electrolyte being a solid polymer.
Drawings
Fig. 1 is a schematic diagram of an embodiment of the present invention based on an offshore wind power generation system.
Fig. 2 is a schematic diagram of an offshore wind power based power generation system according to another embodiment of the present invention.
Reference numerals:
1. an offshore power generation device; 2. a hydrogenation substrate storage tank; 3. a raw material water storage tank; 4. a synthesizing device; 5. a separation device; 6. a hydrogenation product storage tank; 7. a fuel cell device.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
An offshore wind power based power generation system according to an embodiment of the present invention is described below with reference to fig. 1 and 2.
As shown in fig. 1 to fig. 2, the power generation system based on offshore wind power according to the embodiment of the present invention includes: the device comprises an offshore power generation device 1, a hydrogenation substrate storage tank 2, a raw material water storage tank 3, a synthesis device 4, a hydrogenation product storage tank 6 and a fuel cell device 7, wherein the offshore power generation device 1 is a wind power motor, and the synthesis device 4 is electrochemical synthesis equipment.
The offshore power generation facility 1 is connected with the synthesis facility 4 for supplying power to the synthesis facility 4, the hydrogenation substrate storage tank 2 is connected with the synthesis facility 4 for supplying hydrogenation substrate to the synthesis facility 4, the raw material water storage tank 3 is connected with the synthesis facility 4 for supplying raw material water to the synthesis facility 4, the synthesis facility 4 is connected with the hydrogenation product storage tank 6 for supplying hydrogenation product to the hydrogenation product storage tank 6, the hydrogenation product storage tank 6 is connected with the fuel cell facility 7 for supplying hydrogenation product to the fuel cell facility 7, and the fuel cell facility 7 is used for converting the hydrogenation product into hydrogen and hydrogenation substrate.
According to the utility model discloses a power generation system based on offshore wind power can utilize the method of electrochemistry to sea water and oxygen-containing organic matter are the raw materials, carry out electrochemistry hydrogenation, and fuel cell device 7 can turn into hydrogen with hydrogenation resultant as required, in order to supply with the fuel cell electricity generation, thereby compensate the not enough problem of electrical load when offshore wind power low ebb, when the electric quantity is sufficient, can stop this reaction, avoid hydrogen to store with the form of hydrogen, and then improved the utility model discloses a security when power generation system based on offshore wind power uses of embodiment, and use cost is lower.
Specifically, the fuel cell device 7 includes a pretreatment unit and a fuel cell body, the pretreatment unit is used for converting a hydrogenation product into hydrogen and a hydrogenation substrate, the pretreatment unit is connected with the hydrogenation substrate storage tank 2 and used for conveying the hydrogenation substrate into the hydrogenation substrate storage tank 2, and the pretreatment unit is connected with the fuel cell body and used for introducing the hydrogen into the fuel cell body.
In some embodiments, as shown in fig. 1-2, the offshore wind power generation system further comprises a separation device 5, the synthesis device 4 is connected to a hydrogenation product storage tank 6 through the separation device 5, the separation device 5 is connected to the hydrogenation substrate storage tank 2, and the separation device 5 is used for separating the unused hydrogenation substrate in the synthesis device 4 and conveying the separated hydrogenation substrate to the hydrogenation substrate storage tank 2. Specifically, the separation device 5 may be a conventional separation device, so that separation can be performed according to the principles of oil-water separation and gravity separation. For example, when the substance to be separated is organic, a separation apparatus based on oil-water separation may be selected. When the material to be separated is a gas and a liquid, a separation device based on the principle of gravity may be chosen.
It is understood that, as shown in fig. 1 to fig. 2, the cathode product of the synthesis unit 4 enters the separation unit 5, the produced hydrogenation product enters the hydrogenation product storage tank 6, and the unused hydrogenation substrate is recycled to the hydrogenation substrate storage tank 2; when the offshore wind power output is insufficient, the hydrogenation product in the hydrogenation product storage tank 6 enters a pretreatment unit of the fuel cell device 7 and is converted into hydrogen and a hydrogenation substrate, the hydrogenation substrate enters the hydrogenation substrate storage tank 2, and the hydrogen enters the fuel cell body to generate power, so that the defect of power load is overcome.
For example, the hydrogenation substrate is one of cyclohexanone, phenol, benzene, toluene, nitrogen, and carbon dioxide.
In some embodiments, as shown in fig. 1-2, the synthesis device 4 is an electrochemical synthesis apparatus, and the synthesis device 4 has an electrolyte, and the electrolyte is a solid polymer. The problems of resistance increase and energy consumption increase caused by the fact that the contact between organic matters or gas and the surface of an electrode is influenced due to poor mixing of the aqueous electrolyte and the organic matters or gas in conventional electrolysis equipment are solved. The anode material of the synthesis device 4 is the anode material of a conventional electrolytic hydrogen production apparatus, and includes, but is not limited to, oxides, hydroxides or mixed oxides or hydroxides of transition metals or rare earth metals such as nickel, molybdenum, iron, manganese, iridium, platinum, etc. The cathode material of the synthesizer 4 is a mixture of active metal and dispersive carrier, the active metal is rare earth metal, transition metal or alloy thereof, and the dispersive carrier is porous carbon or metal oxide.
Alternatively, as shown in fig. 1, the synthesis apparatus 4 has a cathode side and an anode side, a proton exchange membrane is provided in the synthesis apparatus 4, the hydrogenation substrate storage tank 2 is connected to the cathode side, and the raw material water storage tank 3 is connected to the anode side.
Alternatively, as shown in fig. 2, the synthesis apparatus 4 has a cathode side and an anode side, an anion exchange membrane is provided in the synthesis apparatus 4, the hydrogenation substrate storage tank 2 is connected to the cathode side, and the raw material water storage tank 3 is connected to the cathode side.
It is understood that the hydrogenation substrate storage tank 2 may be selectively connected to the cathode side or the anode side according to the difference between the ion exchange membrane and the proton exchange membrane, which is not limited in the present application.
In some embodiments, as shown in fig. 1-2, the synthesis apparatus 4 satisfies at least one of the following conditions: the voltage of the synthesizer 4 is 1.5-2.5V, the temperature in the synthesizer 4 is 20-90 ℃, and the reaction space velocity of the synthesizer 4 is 30-180min -1 . Alternatively, the synthesis apparatus 4 satisfies the above three conditions, so that the reaction effect in the synthesis apparatus 4 can be made better.
The basic principle of the reaction in the synthesis apparatus 4 is as follows:
(1) in an acidic environment, and corresponding to an embodiment where the electrolyte is a proton exchange membrane.
Cathode: 4M +4H + +4e- >4M-H
Anode: 2H 2O- > O2+4H + +4e-
(2) In an acidic environment, corresponding to an embodiment where the electrolyte is an anion exchange membrane.
Cathode: 4M +4H2O +4e- >4M-H +4OH-
Anode: 4OH- > O2+2H2O +4e-
According to the utility model discloses a power generation system based on offshore wind power can utilize the electrochemical method to sea water and oxygen-containing organic matter are the raw materials, carry out electrochemistry organic matter hydrogenation reaction, produce the organic matter product that worth is higher.
On the one hand, offshore wind power can be utilized in the electrochemical hydrogenation process, the generated high-value organic matters are used as carriers to realize the storage of surplus electricity, and potential safety hazards and high cost caused by the storage in the form of hydrogen are avoided. On the other hand, the hydrogen storage organic matter is synthesized in an electrochemical mode, active hydrogen can be directly obtained from seawater without water electrolysis to prepare hydrogen, the production process is simplified, and the cost is saved.
In addition, compared with the chemical hydrogenation reaction process, the electrochemical hydrogenation reaction is milder, can be carried out at normal temperature and normal pressure, and is more suitable for offshore platforms. Depending on the requirements, the organic substances produced can be divided into several application routes: and the hydrogen is transported to a wharf in a shipping mode and is directly sold or is converted into hydrogen at the wharf to be supplied to a hydrogen filling station. And secondly, the hydrogen is converted on the offshore platform and is supplied to a fuel cell for power generation, so that the defect of electric load during the low ebb of offshore wind power is overcome. Thereby the utility model discloses a power generation system based on offshore wind power can realize the high-efficient utilization of offshore wind power resource, reduces the adverse effect that volatility caused, and the process security is high, and is with low costs.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations to the above embodiments by those of ordinary skill in the art are intended to be within the scope of the present invention.

Claims (6)

1. An offshore wind power based power generation system, comprising: a marine power generation device, a hydrogenation substrate storage tank, a raw material water storage tank, a synthesis device, a hydrogenation product storage tank and a fuel cell device, the offshore power generation device is a wind power motor, the synthesis device is an electrochemical synthesis device, the offshore power generation device is connected with the synthesis device and used for supplying power to the synthesis device, the hydrogenation substrate storage tank is connected with the synthesis device and is used for supplying hydrogenation substrates to the synthesis device, the raw water storage tank is connected with the synthesis device and used for supplying raw water to the synthesis device, the synthesis device is connected with the hydrogenation product storage tank and is used for supplying hydrogenation products to the hydrogenation product storage tank, the hydrogenation product storage tank is connected with the fuel cell device and is used for supplying hydrogenation products to the fuel cell device, and the fuel cell device is used for converting the hydrogenation products into hydrogen and hydrogenation substrates.
2. The offshore wind power generation system of claim 1, wherein the fuel cell device comprises a pre-treatment unit and a fuel cell body, the pre-treatment unit is used for converting the hydrogenation product into the hydrogen and the hydrogenation substrate, the pre-treatment unit is connected with the hydrogenation substrate storage tank and used for conveying the hydrogenation substrate into the hydrogenation substrate storage tank, and the pre-treatment unit is connected with the fuel cell body and used for introducing the hydrogen into the fuel cell body.
3. The offshore wind power generation system according to claim 1, further comprising a separation device, wherein the synthesis device is connected to the hydrogenation product storage tank through the separation device, the separation device is connected to the hydrogenation substrate storage tank, and the separation device is configured to separate the unused hydrogenation substrate in the synthesis device and transfer the separated hydrogenation substrate to the hydrogenation substrate storage tank.
4. The offshore wind power generation system based on power generation according to claim 1, wherein the synthesis unit has a cathode side and an anode side, a proton exchange membrane is disposed in the synthesis unit, the hydrogenation substrate storage tank is connected to the cathode side, and the raw water storage tank is connected to the anode side.
5. The offshore wind power generation system of claim 1, wherein the synthesis unit has a cathode side and an anode side, wherein an anion exchange membrane is disposed within the synthesis unit, wherein the hydroprocessmg storage tank is coupled to the cathode side, and wherein the raw water storage tank is coupled to the cathode side.
6. Offshore wind power generation system according to any of the claims 1 to 5, characterized in that inside the synthesis unit an electrolyte is provided, which is a solid polymer.
CN202220305249.3U 2022-02-15 2022-02-15 Power generation system based on offshore wind power Active CN217239518U (en)

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CN202220305249.3U CN217239518U (en) 2022-02-15 2022-02-15 Power generation system based on offshore wind power

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220305249.3U CN217239518U (en) 2022-02-15 2022-02-15 Power generation system based on offshore wind power

Publications (1)

Publication Number Publication Date
CN217239518U true CN217239518U (en) 2022-08-19

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