CN217607496U - Comprehensive energy supply device suitable for islands - Google Patents
Comprehensive energy supply device suitable for islands Download PDFInfo
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- CN217607496U CN217607496U CN202123137539.6U CN202123137539U CN217607496U CN 217607496 U CN217607496 U CN 217607496U CN 202123137539 U CN202123137539 U CN 202123137539U CN 217607496 U CN217607496 U CN 217607496U
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Abstract
The embodiment of the application discloses a comprehensive energy supply device suitable for islands, which comprises various power generation equipment and seawater desalination equipment so as to meet the requirements of electric power and fresh water required by the development of the islands. When the electric energy is provided for the island, the wind power generation equipment, the photovoltaic power generation equipment, the wave energy power generation equipment and the tidal power generation equipment are preferentially utilized to generate electricity, and when the electric energy generated by the wind power generation equipment, the photovoltaic power generation equipment, the wave energy power generation equipment and the tidal power generation equipment cannot meet the requirement, the hydrogen fuel cell is adopted to supply electricity. The power supply system of the remote island is constructed by utilizing renewable energy sources through power generation of different forms and mutual supplement of electric energy generated by power generation equipment of different forms of energy sources, and the power supply system can supply power to seawater desalination equipment to ensure fresh water supply of the remote island; the system also comprises waste heat utilization equipment, an air heat source pump and electric refrigeration equipment, and supplies heat and cold for the island.
Description
Technical Field
The application relates to the technical field of island energy supply, in particular to a comprehensive energy supply device suitable for islands.
Background
The development of islands requires safe and reliable electric power and sufficient water resources as guarantees, and for medium and large islands, sea cables are generally adopted to be connected with continents, for example, a major navishan network in the navishan islands is connected with a continent power grid through 220kV and 110kV sea cables; for the island far away from the continental land, the cost for laying the submarine cable is high, the diesel engine is often adopted for power generation, and the diesel engine power generation has the defects of short power supply, low reliability, high fuel and operation and maintenance cost and the like.
Therefore, how to construct the power supply system of the remote island by using renewable energy, and the renewable energy is used for generating power to supply power for residents on the island and seawater desalination, thereby solving the two problems of shortage of power resources and fresh water resources in the remote island area.
SUMMERY OF THE UTILITY MODEL
The application provides a comprehensive energy supply device suitable for islands so as to solve the problem of electric power and fresh water supply of remote islands.
In order to achieve the above object, the present application provides an integrated power supply apparatus suitable for use in a sea island, comprising:
the power generation equipment comprises at least one of wind power generation equipment, photovoltaic power generation equipment, wave energy power generation equipment and tidal power generation equipment, and is connected with a local power grid;
the seawater desalination device is connected with the local power grid, and is used for preparing fresh water by using electric energy and supplying the prepared fresh water into a water supply pipe network;
the water electrolysis hydrogen production equipment is electrically connected with the local power grid, is communicated with the water supply pipe network, and has a hydrogen outlet communicated with a hydrogen storage tank;
and a hydrogen inlet of the hydrogen fuel cell is communicated with the hydrogen storage tank, the electric energy generated by the hydrogen fuel cell is supplied to the local power grid, and the water generated by the hydrogen fuel cell is supplied to the water supply network.
Preferably, in the above-described integrated energy supply apparatus for sea islands, a storage battery is further included, the storage battery being connected to the local power grid, the storage battery being capable of storing electric energy generated by the power generation device and the hydrogen fuel cell and also being capable of supplying power to the local power grid.
Preferably, in the above integrated energy supply device for islands, the power generation facility further includes a diesel generator set, and the diesel generator set is connected to the local area power grid.
Preferably, in the above comprehensive energy supply device for islands, further comprising a waste heat utilization device,
and the high-temperature tail gas heat pump is connected with the diesel generator set and used for utilizing the heat in the high-temperature tail gas and the high-temperature cylinder sleeve water of the diesel generator set.
Preferably, in the above-mentioned integrated power supply apparatus for islands in a sea, the waste heat utilization device comprises a first heat exchanger, a second heat exchanger, a waste heat boiler and a lithium bromide refrigerator,
the first heat exchanger is communicated with a cylinder sleeve of the diesel generator set and is used for realizing heat exchange between water of a heat supply pipe network and high-temperature cylinder sleeve water;
the waste heat boiler is communicated with an outlet of high-temperature flue gas of the diesel generator set, the second heat exchanger and the lithium bromide refrigerator are communicated with the waste heat boiler, the second heat exchanger is communicated with the heat supply pipe network, and the lithium bromide refrigerator is communicated with the cold supply pipe network.
Preferably, in the above comprehensive energy supply device suitable for islands, an air heat source pump is further included, and is connected to the local power grid, a heat supply outlet of the air heat source pump is communicated with the heat supply pipe network, and a cold supply outlet of the air heat source pump is communicated with the cold supply pipe network.
Preferably, the comprehensive energy supply device suitable for the sea island further comprises an electric refrigerating device connected with the power generation equipment, and the electric refrigerating device is communicated with the cooling pipe network.
Preferably, in the above comprehensive energy supply device suitable for islands, a photo-thermal device is further included, which is in communication with the heat supply pipe network.
The comprehensive energy supply device suitable for the island comprises various power generation equipment and seawater desalination equipment so as to meet the requirements of electric power and fresh water for the development of the island. When the electric energy is provided for the island, the wind power generation equipment, the photovoltaic power generation equipment, the wave energy power generation equipment and the tidal power generation equipment are preferentially utilized to generate electricity, and when the electric energy generated by the wind power generation equipment, the photovoltaic power generation equipment, the wave energy power generation equipment and the tidal power generation equipment cannot meet the requirement, the hydrogen fuel cell is adopted to supply electricity. The power generation device generates power through different forms of energy, electric energy generated by power generation equipment adopting different forms of energy is mutually supplemented, a power supply system of a remote island is constructed by utilizing renewable energy, power can be supplied to seawater desalination equipment through the power supply system, and fresh water supply of the remote island is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only examples or embodiments of the application, and that for a person skilled in the art, without inventive effort, further drawings can be derived from the presented drawings, and the application can also be applied to other similar scenarios from the presented drawings. Unless otherwise apparent from the context, or otherwise indicated, like reference numbers in the figures refer to the same structure or operation.
Fig. 1 is a schematic structural view of an integrated power supply apparatus suitable for use in islands-in-sea according to the present invention.
The drawings are illustrated as follows:
1. the system comprises wind power generation equipment, 2 photovoltaic power generation equipment, 3 wave power generation equipment, 4 diesel generator set, 5 waste heat utilization equipment, 6 photo-thermal equipment, 7 seawater desalination equipment, 8 water electrolysis hydrogen production equipment, 9 hydrogen storage tank, 10 hydrogen fuel cell, 11 storage battery, 12 air heat source pump, 13 electric refrigeration equipment.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. The described embodiments are only some embodiments of the present application and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be noted that, for the convenience of description, only the portions related to the related applications are shown in the drawings. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.
It should be understood that "system", "apparatus", "unit" and/or "module" as used herein is a method for distinguishing different components, elements, parts or assemblies at different levels. However, other words may be substituted by other expressions if they accomplish the same purpose.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements. An element defined by the phrase "comprising one of \ 8230: \ 8230:" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.
Wherein in the description of the embodiments of the present application, "/" indicates an inclusive meaning, for example, a/B may indicate a or B; "and/or" herein is merely an association describing an associated object, and means that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, in the description of the embodiments of the present application, "a plurality" means two or more than two.
In the following, the terms "first", "second" are used for descriptive purposes only and are not to be understood 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 one or more of that feature.
Flow charts are used herein to illustrate operations performed by systems according to embodiments of the present application. It should be understood that the preceding or following operations are not necessarily performed in the exact order in which they are performed. Rather, the various steps may be processed in reverse order or simultaneously. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.
Please refer to fig. 1.
Some embodiments of the present application disclose an integrated energy supply device suitable for islands, comprising a power generation device, a seawater desalination device 7, a water electrolysis hydrogen production device 8 and a hydrogen fuel cell 10.
The power generation equipment is used for meeting the power supply of islands and comprises at least one of wind power generation equipment 1, photovoltaic power generation equipment 2, wave energy power generation equipment 3 and tidal power generation equipment, and the electric energy generated by the power generation equipment is supplied to a local power grid;
the seawater desalination device 7 is used for satisfying the fresh water supply of the island, the energy of the seawater desalination device 7 is from a local power grid, the seawater desalination device 7 utilizes electric energy to prepare fresh water, and the prepared fresh water can be supplied to a water supply network;
the hydrogen fuel cell 10 is capable of generating electrical energy, the electrical energy generated by the hydrogen fuel cell 10 is fed into a local power grid, and the water generated by the hydrogen fuel cell 10 is fed into a water supply network, i.e. the hydrogen fuel cell 10 is capable of generating both electrical energy and fresh water;
the water electrolysis hydrogen production device 8 is connected with a local power grid, hydrogen produced by the water electrolysis hydrogen production device 8 is supplied to a hydrogen storage tank 9, and the hydrogen storage tank 9 is used for providing hydrogen required by reaction for a hydrogen fuel cell 10.
The comprehensive energy supply device suitable for the sea island comprises various power generation equipment and seawater desalination equipment 7 so as to meet the requirements of electric power and fresh water required by the development of the sea island. When the electric energy is provided for the island, the wind power generation equipment 1, the photovoltaic power generation equipment 2, the wave energy power generation equipment 3 and the tidal power generation equipment are preferentially utilized to generate electricity, and when the electric energy generated by the wind power generation equipment 1, the photovoltaic power generation equipment 2, the wave energy power generation equipment 3 and the tidal power generation equipment cannot meet the requirement, the hydrogen fuel cell 10 is adopted to supply electricity. The power generation device generates power through different forms of energy, electric energy generated by power generation equipment adopting different forms of energy is mutually supplemented, a power supply system of a remote island is constructed by utilizing renewable energy, power can be supplied to the seawater desalination equipment 7 through the power supply system, and fresh water supply of the remote island is ensured.
Power generation facility can utilize multiple energy combinations such as wind energy, solar energy, wave energy and tidal energy to generate electricity in this application, has not only realized the utilization ratio to multiple regeneration and clean energy, and multiple energy combination realizes that power generation facility continues to supply power to local electric network moreover, improves the continuity and the stability of power supply.
The comprehensive energy supply device suitable for the sea island can also supply power to a local power grid through the hydrogen fuel cell 10, the hydrogen fuel cell 10 is a new energy cell, pollution can not be generated when electric energy is generated, and meanwhile water generated by reaction of the hydrogen fuel cell 10 can be supplied into a water supply network to provide fresh water for the development of the sea island.
The fresh water prepared by the seawater desalination device 7 can be just fed into a water supply network and can be used for the water electrolysis hydrogen production device 8, and the hydrogen produced by the water electrolysis hydrogen production device 8 can be stored in the hydrogen storage tank 9 to provide hydrogen required by the reaction for the hydrogen fuel cell 10.
The comprehensive energy supply device suitable for islands further comprises a storage battery 11, wherein the storage battery 11 is connected with a local power grid, can store electric energy generated by the power generation equipment and generated by the hydrogen fuel cell 10, and can supply power to the local power grid when the electric energy generated by the power generation equipment and the hydrogen fuel cell 10 is insufficient, so that continuity and stability of power supply are guaranteed.
The power generation equipment of the comprehensive energy supply device suitable for the island disclosed by the application also comprises a diesel generator set 4.
The diesel generator set 4 is used for generating electric energy by adopting the diesel generator set 4 as standby power generation equipment when the electric energy generated by the wind power generation equipment 1, the photovoltaic power generation equipment 2, the wave energy power generation equipment 3, the tidal power generation equipment and the hydrogen fuel cell 10 can not meet the requirement, so as to ensure the power supply developed in the island.
The application discloses comprehensive energy supply device suitable for island still includes waste heat utilization equipment 5, and waste heat utilization equipment 5 is used for realizing the waste of the high temperature tail gas of diesel generating set 4 and the heat in high temperature cylinder liner aquatic, the reduction energy.
High-temperature tail gas and high-temperature cylinder sleeve water generated by the diesel generating set 4 generate heat energy and/or cold energy through the waste heat utilization equipment 5 to supply heat and/or cold for the island.
In some embodiments of the present application, the waste heat utilization device 5 includes a first heat exchanger, a second heat exchanger, a waste heat boiler, and a lithium bromide refrigerator,
the first heat exchanger is communicated with a cylinder sleeve of the diesel generating set 4, the temperature of high-temperature cylinder sleeve water can reach 85-95 ℃, and the first heat exchanger is used for realizing heat exchange between water of a heat supply pipe network and the high-temperature cylinder sleeve water and cooling the high-temperature cylinder sleeve water at the same time;
the waste heat boiler is communicated with an outlet of high-temperature flue gas of the diesel generator set 4, the temperature of the high-temperature flue gas can reach 400-600 ℃, the second heat exchanger and the lithium bromide refrigerator are communicated with the waste heat boiler, the second heat exchanger is communicated with a heat supply pipe network, and the lithium bromide refrigerator is communicated with a cooling pipe network.
This application is for island heat supply or cooling through waste heat utilization equipment 5, satisfies the heat supply and the cooling demand of remote island.
In order to further meet the heat supply and cold supply requirements of remote islands, the comprehensive energy supply device suitable for the islands disclosed by the application further comprises an air heat source pump 12, wherein the air heat source pump 12 is connected with a local area power grid and converts electric energy into heat energy or cold energy to supply heat and cold for the islands.
The heat supply outlet of the air heat source pump 12 is communicated with a heat supply pipe network, and the cold supply outlet of the air heat source pump 12 is communicated with a cold supply pipe network.
In order to further meet the cooling requirement of remote islands, the comprehensive energy supply device suitable for islands disclosed by the application further comprises an electric refrigeration device 13, wherein the electric refrigeration device 13 is connected with a local power grid and is used for converting electric energy into cold energy to supply cooling for the islands.
The electric refrigeration equipment 13 is communicated with a cooling pipe network.
Solar energy can improve the supply of good heat energy, and the comprehensive energy supply device suitable for the island disclosed by the application also comprises a photo-thermal device 6, and hot water generated by the photo-thermal device 6 is supplied into the pipe network.
The comprehensive energy supply device suitable for the islands can simultaneously provide electric energy, heat energy, cold energy, fresh water and the like for the islands, solves the problems of insufficient energy supply and overhigh supply cost in remote island areas, supplies the electric energy, the heat energy, the cold energy and the fresh water through coordination and complementation among different forms of energy, has the advantages of energy conservation, environmental protection, economy, reliability and the like, and has wide application and development prospects in energy supply of the remote islands in China.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, which include both non-transitory and non-transitory, removable and non-removable media, may implement the information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and so forth) having computer-usable program code embodied therein.
The foregoing description is only illustrative of the preferred embodiments of the present application and the principles of the technology employed and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art to which the present application pertains. The scope of the application referred to in the present application is not limited to the specific combinations of the above-mentioned features, and it is intended to cover other embodiments in which the above-mentioned features or their equivalents are arbitrarily combined without departing from the spirit of the application. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.
Claims (8)
1. An integrated energy supply device suitable for use in islands-in-sea comprising:
the power generation equipment comprises at least one of wind power generation equipment (1), photovoltaic power generation equipment (2), wave energy power generation equipment (3) and tidal power generation equipment, and is connected with a local power grid;
the seawater desalination device (7), the seawater desalination device (7) is connected with the local power grid, the seawater desalination device (7) utilizes electric energy to prepare fresh water, and the prepared fresh water can be supplied to a water supply network;
the water electrolysis hydrogen production equipment (8), the water electrolysis hydrogen production equipment (8) is electrically connected with the local power grid, the water electrolysis hydrogen production equipment (8) is communicated with the water supply pipe network, and a hydrogen outlet of the water electrolysis hydrogen production equipment (8) is communicated with a hydrogen storage tank (9);
a hydrogen fuel cell (10), wherein a hydrogen inlet of the hydrogen fuel cell (10) is communicated with the hydrogen storage tank (9), the electric energy generated by the hydrogen fuel cell (10) is supplied to the local power grid, and the water generated by the hydrogen fuel cell (10) is supplied to the water supply grid.
2. The integrated power supply apparatus for sea islands according to claim 1, further comprising a storage battery (11), wherein said storage battery (11) is connected to said local power grid, said storage battery (11) is capable of storing electric energy generated by said power generation equipment and said hydrogen fuel cell (10) and also capable of supplying power to said local power grid.
3. The integrated energy supply equipment for islands-in-sea according to claim 1, wherein said power generating equipment further comprises a diesel generator set (4), said diesel generator set (4) is connected to said local power grid.
4. The integrated power supply apparatus on an island according to claim 3, further comprising a waste heat utilization device (5),
and the heat exchanger is connected with the diesel generator set (4) and is used for utilizing the high-temperature tail gas of the diesel generator set (4) and the heat in the high-temperature cylinder sleeve water.
5. The integrated energy supply apparatus for sea islands according to claim 4, wherein the waste heat utilizing device (5) comprises a first heat exchanger, a second heat exchanger, a waste heat boiler and a lithium bromide refrigerator,
the first heat exchanger is communicated with a cylinder sleeve of the diesel generator set (4), and is used for realizing heat exchange between water of a heat supply pipe network and high-temperature cylinder sleeve water;
the waste heat boiler is communicated with an outlet of high-temperature flue gas of the diesel generator set (4), the second heat exchanger and the lithium bromide refrigerator are communicated with the waste heat boiler, the second heat exchanger is communicated with the heat supply pipe network, and the lithium bromide refrigerator is communicated with the cold supply pipe network.
6. The integrated energy supply device suitable for islands-in-the-sea according to claim 5, further comprising an air heat source pump (12) connected to the local power grid, wherein the heat supply outlet of the air heat source pump (12) is connected to the heat supply pipe network, and the cold supply outlet of the air heat source pump (12) is connected to the cold supply pipe network.
7. The integrated energy supply apparatus for sea islands according to claim 6, further comprising an electric refrigeration device (13) connected to said electricity generating device, said electric refrigeration device (13) being in communication with said cooling pipe network.
8. The integrated energy supply apparatus for islands-in-sea according to claim 5, further comprising a photothermal device (6) in communication with said heat supply network.
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| CN202123137539.6U CN217607496U (en) | 2021-12-14 | 2021-12-14 | Comprehensive energy supply device suitable for islands |
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| CN202123137539.6U CN217607496U (en) | 2021-12-14 | 2021-12-14 | Comprehensive energy supply device suitable for islands |
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