CN215009626U - Comprehensive energy utilization system for offshore islands - Google Patents
Comprehensive energy utilization system for offshore islands Download PDFInfo
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- CN215009626U CN215009626U CN202120535271.2U CN202120535271U CN215009626U CN 215009626 U CN215009626 U CN 215009626U CN 202120535271 U CN202120535271 U CN 202120535271U CN 215009626 U CN215009626 U CN 215009626U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/142—Solar thermal; Photovoltaics
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/138—Water desalination using renewable energy
- Y02A20/144—Wave energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/60—Thermal-PV hybrids
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- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The utility model relates to a comprehensive energy utilization system for offshore islands, wherein a wind driven generator, a solar photovoltaic component, a wave energy power generation platform and a tidal current energy power generator are all connected with a seawater desalination device and a storage battery energy storage device to provide electric energy for the seawater desalination device and store the surplus electric energy in the storage battery energy storage device; the reservoir is connected with the seawater desalination device and stores fresh water; the storage battery energy storage device provides electricity for the island; the gas turbine is respectively connected with the seawater desalination device and the storage battery energy storage device and is used as a supplementary power supply to generate electricity; the gas turbine, the waste heat boiler and the lithium bromide unit are connected in sequence, and the lithium bromide unit supplies cold and heat in the island; the solar heat collector is connected with the heat storage tank; the reservoir is used for replenishing water for the heat storage tank and the waste heat boiler. The system fully utilizes renewable energy sources such as wind power, photovoltaic, wave energy, tidal current energy and the like enriched in offshore islands, and the generated clean electric energy meets the self power utilization requirement of the islands.
Description
Technical Field
The utility model relates to a distributed energy application technology field specifically relates to a comprehensive energy utilizes system for offshore island provides comprehensive energy and supplies with for offshore island.
Background
In recent years, with the rapid development of economy and the continuous promotion of marine strategy in China, the strategic fulcrum of offshore islands in the aspects of resource development of oil, gas, mine and the like, marine traffic, sea defense and the like becomes more prominent, and becomes the strategic focus of acquiring new resources, expanding living space and promoting the development of economic society in China. However, the offshore island has a special environment, and the problem of increasingly severe shortage of electric energy due to shortage of materials and energy such as fresh water and electric energy has become a bottleneck for restricting the development of the offshore island. At present, the traditional offshore island power grid mainly generates electricity by a diesel engine, has small scale and is independently closed, complete equipment is not formed, external energy support is lacked, great defects exist in the aspects of design and construction, later-stage management and maintenance, safety and stability and the like, and the sustainability of a development mode is poor. But simultaneously, the offshore island is rich in wind, light, wave energy and other renewable energy resources in the sea area, peripheral reef traps, sandbars and other unmanned island reefs are densely distributed, and the shallow water reef discs are wide, so that if the offshore island is developed coordinately, the energy guarantee capability is improved, and powerful assistance is provided for the development of the offshore island.
For example, patent with publication number CN211958782U discloses a comprehensive energy system suitable for offshore wind farms and manned islands, which realizes the utilization of wind power nearby, reduces the power consumption, and reduces the environmental pollution, but the system is not perfect enough, and has the defects of intermittent and unstable power generation of renewable energy sources. Therefore, it is necessary to design a system-completed comprehensive energy utilization system for offshore islands.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a comprehensive energy utilization system for offshore island, combine with stone energy such as natural gas, diesel oil organically such as the abundant wind-force of offshore island, photovoltaic, wave energy, trend energy, satisfy demands such as offshore island power consumption, with heat, water, heating, air conditioner refrigeration to ensure with ability stability and security.
The utility model provides a technical scheme that above-mentioned problem adopted is: an integrated energy utilization system for offshore islands, characterized by: the system comprises a wind driven generator, a solar photovoltaic assembly, a wave energy power generation platform, a tidal current energy generator, a seawater desalination device, a water storage tank, a storage battery energy storage device, a gas turbine, a waste heat boiler, a lithium bromide unit, a solar heat collector and a heat storage tank; the wind driven generator, the solar photovoltaic assembly, the wave energy power generation platform and the tidal current energy generator are all connected with the seawater desalination device and the storage battery energy storage device, so that electric energy is provided for the seawater desalination device, and surplus electric energy is stored in the storage battery energy storage device; the reservoir is connected with the seawater desalination device and used for storing fresh water prepared by the seawater desalination device and providing water for the island; the storage battery energy storage device provides electricity for the island; the gas turbine is respectively connected with the seawater desalination device and the storage battery energy storage device and is used as a supplementary power supply to generate electricity; the gas turbine, the waste heat boiler and the lithium bromide unit are connected in sequence, and the lithium bromide unit supplies cold and heat in the island; the solar heat collector is connected with the heat storage tank, and the heat storage tank supplies heat to the island and provides a heat source for the lithium bromide unit; the water storage tank is respectively connected with the heat storage tank and the waste heat boiler to replenish water for the heat storage tank and the waste heat boiler.
Preferably, the gas turbine is provided with an air storage tank.
Preferably, the comprehensive energy utilization system is also provided with a diesel generator as an emergency power supply for power generation, and the diesel generator is provided with an oil storage tank; the diesel generator is respectively connected with the seawater desalination device and the storage battery energy storage device.
The utility model also provides an operation method that is used for the comprehensive energy utilization system of offshore island: the wind driven generator, the solar photovoltaic assembly, the wave energy power generation platform and the tidal current energy generator are combined to form a renewable energy power generation unit, and the storage battery energy storage device is used as an electric storage unit; firstly, according to the characteristics of renewable energy sources in different seasons and different time periods, a wind driven generator, a solar photovoltaic module, a wave energy power generation platform and a tidal current energy generator are combined and utilized to generate clean electric energy which is used for operating power of a seawater desalination device and providing daily electricity for an island; fresh water generated by the seawater desalination device is stored in the water storage tank to provide water for the waste heat boiler and the heat storage tank and domestic water in the island; when the wind energy, the solar energy, the wave energy and the tidal current energy are rich, the generated surplus electric energy is stored in the storage battery energy storage device, so that the electricity is discharged to provide daily electricity for the island when the renewable energy power supply is insufficient; when the coupling operation of the renewable energy power generation unit and the electric storage unit is not enough to provide stable power output, the gas turbine is started to drive the generator to operate as a supplementary power supply to meet the power consumption requirement of the island, high-temperature flue gas generated by the operation of the gas turbine enters the waste heat boiler to provide a heat source for the lithium bromide unit, and heat supply in the island and air conditioning refrigeration are provided by the lithium bromide unit; when the lithium bromide unit stops running, the waste heat boiler can also directly supply heat; the heat collected by the solar heat collector is stored in the heat storage tank, the heat storage tank supplies heat for the island and provides a heat source for the lithium bromide unit, and when the lithium bromide unit stops running, the heat storage tank can still directly supply heat for the island; when the power generation of the renewable energy power generation unit, the power storage unit and the gas turbine fails or extreme conditions occur, the diesel generator is started to serve as an emergency power supply to guarantee important user loads such as a data center and military facilities.
Compared with the prior art, the utility model, have following advantage and effect:
1. the system fully utilizes renewable energy sources such as wind power, photovoltaic energy, wave energy, tidal current energy and the like enriched in offshore islands, and the generated clean electric energy meets the self power consumption of the islands;
2. the storage battery energy storage device is configured to store the generated surplus electric energy when the wind energy, the solar energy, the wave energy and the tidal current energy are rich, and discharge when the renewable energy power supply is insufficient, so that the output of the renewable energy and the fluctuation of the load are effectively stabilized;
3. the gas storage tank is configured for the gas turbine power generation system, and when the energy storage device of the storage battery is not enough to meet the demand of the electric load, the energy is supplied in a supplementing way;
4. the oil storage tank is configured for a diesel generator power generation system, so that important loads are ensured not to lose power under the extreme condition of the island, and the safety and reliability of the important loads such as the island data center, military facilities and the like are fully ensured;
5. the waste heat utilization system is configured to carry out cascade utilization on the flue gas of the gas turbine, and lithium bromide can be used for generating domestic cold and heat, so that the self-sufficiency of the island is realized, the energy is saved, the environment is protected, and the comprehensive utilization efficiency of the system is improved;
6. the solar heat collector and the heat storage tank are configured, so that renewable energy is utilized, the environmental protection performance of the system is improved, multiple guarantees of heat sources are realized for energy supply of the system, and the safety of the system is improved;
7. the seawater desalination device is configured, the problem of water resource shortage of offshore islands is effectively solved, fresh water is adjusted through the water making unit by utilizing the synergistic effect of seawater desalination to balance the renewable energy system, the uncertainty of renewable energy is inhibited, the water supplement of a heat storage tank and a waste heat boiler in the system and the requirement of domestic water in the islands are met, and the effects of peak clipping and fresh water production cost reduction are achieved.
Drawings
In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Description of reference numerals: the device comprises a wind driven generator 1, a solar photovoltaic module 2, a wave energy power generation platform 3, a tidal current energy generator 4, a seawater desalination device 5, a water storage tank 6, a storage battery energy storage device 7, a gas storage tank 8, a gas turbine 9, a waste heat boiler 10, a lithium bromide unit 11, a solar thermal collector 12, a heat storage tank 13, an oil storage tank 14 and a diesel generator 15.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.
Examples are given.
See fig. 1.
The embodiment discloses a comprehensive energy utilization system for an offshore island, which comprises a wind driven generator 1, a solar photovoltaic assembly 2, a wave energy power generation platform 3, a tidal current energy generator 4, a seawater desalination device 5, a water storage tank 6, a storage battery energy storage device 7, a gas storage tank 8, a gas turbine 9, a waste heat boiler 10, a lithium bromide unit 11, a solar heat collector 12, a heat storage tank 13, an oil storage tank 14 and a diesel generator 15.
In this embodiment, the wind power generator 1, the solar photovoltaic module 2, the wave power generation platform 3 and the tidal current energy generator 4 are all connected with the seawater desalination device 5 and the storage battery energy storage device 7, so as to provide electric energy for the seawater desalination device 5 and store the surplus electric energy in the storage battery energy storage device 7. The reservoir 6 is connected with the seawater desalination device 5, and the reservoir 6 is used for storing fresh water prepared by the seawater desalination device 5 and providing water for the island. The battery energy storage device 7 provides electricity for the island.
In the embodiment, the gas turbine 9 is respectively connected with the seawater desalination device 5 and the storage battery energy storage device 7, and is used as a supplementary power supply to generate electricity; the gas turbine 9, the waste heat boiler 10 and the lithium bromide unit 11 are connected in sequence, and the lithium bromide unit 11 supplies cold and heat for the island. The gas storage tank 8 supplies fuel to the gas turbine 9, waste heat and waste gas generated in the power generation process of the gas turbine 9 enters the waste heat boiler 10 to provide a heat source for the lithium bromide unit 11, provide heating, hot water and air conditioning refrigeration for an offshore island, perform cascade utilization on energy and improve the comprehensive energy efficiency of the system.
In the embodiment, the solar heat collector 12 is connected with the heat storage tank 13, and the heat storage tank 13 supplies heat to the island and provides a heat source for the lithium bromide unit 11; the water storage tank 6 is respectively connected with the heat storage tank 13 and the waste heat boiler 10 and is used for supplementing water for the heat storage tank 13 and the waste heat boiler 10. When the system normally operates, the heat storage tank 13 is mainly used for ensuring a heat source of the lithium bromide unit 11, and provides heat supply in an island and air conditioning refrigeration through the lithium bromide unit; when the lithium bromide unit 11 is shut down, the heat storage tank 13 can still directly supply heat to the island.
In this embodiment, the diesel generator 15 is used as an emergency power supply to generate power, and the diesel generator 15 is provided with an oil storage tank 14; the diesel generator 15 is respectively connected with the seawater desalination device 5 and the storage battery energy storage device 7. The power generation system of the renewable energy source, the energy storage device and the gas turbine in the island are started when the power generation system fails or is in an extreme condition and cannot meet the requirements, and the power generation system of the renewable energy source, the energy storage device and the gas turbine are used as emergency power supplies to guarantee loads of important users such as a data center and military facilities.
In this embodiment, the operation method of the integrated energy utilization system for an offshore island is: the wind driven generator 1, the solar photovoltaic component 2, the wave energy power generation platform 3 and the tidal current energy generator 4 are combined to form a renewable energy power generation unit, and the storage battery energy storage device 7 is used as an electric storage unit; firstly, according to the characteristics of renewable energy sources in different seasons and different time periods, a wind driven generator 1, a solar photovoltaic component 2, a wave energy power generation platform 3 and a tidal current energy generator 4 are combined and utilized to generate clean electric energy which is used for operating electric power of a seawater desalination device 5 and providing daily electricity for an island; fresh water generated by the seawater desalination device 5 is stored in the water storage tank 6 to serve as a water storage source, water supplement and island domestic water are provided for the waste heat boiler 10 and the heat storage tank 13, and the fresh water is adjusted by the water making unit to balance the renewable energy system by utilizing the synergistic effect with seawater desalination, so that the uncertainty of renewable energy is inhibited; when the wind energy, the solar energy, the wave energy and the tidal current energy are rich, the generated surplus electric energy is stored in the storage battery energy storage device 7, so that when the output of the renewable energy power supply is insufficient, the storage battery energy storage device 7 discharges to provide daily electricity for the island; when the coupling operation of the renewable energy power generation unit and the electric storage unit is not enough to provide stable power output, the gas turbine 9 is started to drive the generator to operate as a supplementary power supply to meet the power demand of the island, high-temperature flue gas generated by the operation of the gas turbine 9 enters the waste heat boiler 10 to provide a heat source for the lithium bromide unit 11, heat supply and air conditioning refrigeration in the island are provided through the lithium bromide unit 11, the cascade utilization of energy is realized, and the comprehensive energy efficiency of the system is improved; when the lithium bromide unit 11 is stopped, the waste heat boiler 10 can also directly supply heat; the heat collected by the solar thermal collector 12 is stored in the heat storage tank 13, the heat storage tank 13 supplies heat to the island and provides a heat source for the lithium bromide unit 11, when the lithium bromide unit 11 is stopped, the heat storage tank 13 can still directly supply heat to the island, and the solar thermal collector 12 and the heat storage tank 13 not only utilize renewable energy sources, improve the environmental protection performance of the system, but also realize multiple guarantees of the heat source for the energy supply of the system and improve the safety of the system; when the renewable energy power generation unit, the electric power storage unit and the gas turbine 9 fail to generate power or generate extreme conditions and cannot meet the requirements, the diesel generator 15 is started to serve as an emergency power supply to guarantee loads of important users such as a data center and military facilities, and the system safety is greatly improved.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (3)
1. An integrated energy utilization system for offshore islands, characterized by: the device comprises a wind driven generator (1), a solar photovoltaic component (2), a wave energy power generation platform (3), a tidal current energy generator (4), a seawater desalination device (5), a water storage tank (6), a storage battery energy storage device (7), a gas turbine (9), a waste heat boiler (10), a lithium bromide unit (11), a solar heat collector (12) and a heat storage tank (13); the wind driven generator (1), the solar photovoltaic component (2), the wave energy power generation platform (3) and the tidal current energy generator (4) are connected with the seawater desalination device (5) and the storage battery energy storage device (7) to provide electric energy for the seawater desalination device (5) and store excess and residual electric energy in the storage battery energy storage device (7); the reservoir (6) is connected with the seawater desalination device (5), and the reservoir (6) is used for storing fresh water prepared by the seawater desalination device (5) and providing water for the island; the storage battery energy storage device (7) provides electricity for the island; the gas turbine (9) is respectively connected with the seawater desalination device (5) and the storage battery energy storage device (7) and is used as a supplementary power supply to generate electricity; the gas turbine (9), the waste heat boiler (10) and the lithium bromide unit (11) are sequentially connected, and the lithium bromide unit (11) supplies cold and heat in the island; the solar heat collector (12) is connected with the heat storage tank (13), and the heat storage tank (13) supplies heat to the island and the lithium bromide unit (11); the water storage tank (6) is respectively connected with the heat storage tank (13) and the waste heat boiler (10) and is used for supplementing water for the heat storage tank (13) and the waste heat boiler (10).
2. The integrated energy utilization system for an offshore island according to claim 1, wherein: the gas turbine (9) is provided with an air storage tank (8).
3. The integrated energy utilization system for an offshore island according to claim 1, wherein: the comprehensive energy utilization system is also provided with a diesel generator (15) as an emergency power supply for power generation, and the diesel generator (15) is provided with an oil storage tank (14); the diesel generator (15) is respectively connected with the seawater desalination device (5) and the storage battery energy storage device (7).
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| CN202120535271.2U CN215009626U (en) | 2021-03-15 | 2021-03-15 | Comprehensive energy utilization system for offshore islands |
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| CN202120535271.2U CN215009626U (en) | 2021-03-15 | 2021-03-15 | Comprehensive energy utilization system for offshore islands |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689464A (en) * | 2023-07-27 | 2023-09-05 | 广州汇锦能效科技有限公司 | Distributed garbage treatment and energy supply system suitable for islands |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116689464A (en) * | 2023-07-27 | 2023-09-05 | 广州汇锦能效科技有限公司 | Distributed garbage treatment and energy supply system suitable for islands |
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