CN215580978U - Off-grid energy supply system - Google Patents
Off-grid energy supply system Download PDFInfo
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- CN215580978U CN215580978U CN202120867980.0U CN202120867980U CN215580978U CN 215580978 U CN215580978 U CN 215580978U CN 202120867980 U CN202120867980 U CN 202120867980U CN 215580978 U CN215580978 U CN 215580978U
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
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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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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model discloses an off-grid energy supply system, wherein the output end of a solar power generation system is connected with a power supply interface of an electric power supply system and an electrolytic water hydrogen production system, the hydrogen outlet of the electrolytic water hydrogen production system is communicated with the inlet of a hydrogen storage system, the outlet of the hydrogen storage system is communicated with the inlet of a fuel cell power generation system, the output end of the fuel cell power generation system is communicated with the electric power supply system, a solar photo-thermal system is communicated with the heat release side of a first heat exchanger, the heat absorption side of the first heat exchanger is communicated with a heat storage system, the heat storage system is communicated with the heat release side of a second heat exchanger, and the heat absorption side of the second heat exchanger is communicated with a thermal power supply system; the heat absorption side of the fuel cell power generation system is communicated with the heat release side of the third heat exchanger, and the heat absorption side of the third heat exchanger is communicated with the heat storage system.
Description
Technical Field
The utility model belongs to the technical field of comprehensive energy, and relates to an off-grid energy supply system.
Background
Along with the development of economy in China, two major problems of energy are increasingly highlighted, namely the problem of energy safety and the problem of energy transformation. From the perspective of energy safety, the main means for achieving the goal is to change an energy structure mainly made of fossil fuel into a high-efficiency renewable energy system to achieve emission reduction. Meanwhile, the power generation of renewable energy sources is greatly fluctuated by the influence of seasons and weather, and is not completely matched with the power demand, so that when the renewable energy sources are developed to a certain scale, the impact on the safety of a power grid is certainly caused. Therefore, when the renewable energy reaches a certain proportion in the whole energy system, the renewable energy power consumption problem occurs.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned drawbacks of the prior art and to provide an off-grid energy supply system that enables complete consumption of renewable energy while enabling the supply of electrical and thermal energy.
In order to achieve the purpose, the off-grid energy supply system comprises a first heat exchanger, a second heat exchanger, a third heat exchanger, a solar power generation system, an electrolytic water hydrogen production system, a hydrogen storage system, a fuel cell power generation system, a solar photo-thermal system, a heat storage system, a heat supply system and an electric power supply system;
the output end of the solar power generation system is connected with the power supply interface of the power supply system and the power supply interface of the water electrolysis hydrogen production system, the hydrogen outlet of the water electrolysis hydrogen production system is communicated with the inlet of the hydrogen storage system, the outlet of the hydrogen storage system is communicated with the inlet of the fuel cell power generation system, the output end of the fuel cell power generation system is communicated with the power supply system, the solar photo-thermal system is communicated with the heat release side of the first heat exchanger, the heat absorption side of the first heat exchanger is communicated with the heat storage system, the heat storage system is communicated with the heat release side of the second heat exchanger, and the heat absorption side of the second heat exchanger is communicated with the heat supply system;
the heat absorption side of the fuel cell power generation system is communicated with the heat release side of the third heat exchanger, and the heat absorption side of the third heat exchanger is communicated with the heat storage system.
The system also comprises a control system, a fuel cell power generation system, a solar power generation system, a power supply system, a water electrolysis hydrogen production system and a hydrogen storage system.
The solar photovoltaic panel in the solar power generation system is one or more of a monocrystalline silicon photovoltaic panel, a polycrystalline silicon photovoltaic panel, a perovskite type photovoltaic panel and a heterojunction type photovoltaic panel.
The water electrolysis hydrogen production system is one or more of an alkaline water electrolysis device, an acidic water electrolysis device and a solid oxide water electrolysis device.
The hydrogen storage system is one or more of a high-pressure gaseous hydrogen storage device, a liquid hydrogen storage device, a metal hydride hydrogen storage device and an organic liquid hydrogen storage device.
The fuel cell power generation system is one or more of a proton exchange membrane fuel cell power generation system, a solid oxide fuel cell power generation system, a molten carbonate fuel cell power generation system and a phosphoric acid fuel cell power generation system.
The heat collection form of the solar photo-thermal system is one or more of Fresnel type, disc type and tower type.
The heat storage medium in the heat storage system is one or more of molten carbonate, water vapor and water.
The utility model has the following beneficial effects:
when the off-grid energy supply system is operated specifically, the electric power generated by the solar power generation system is sent to the water electrolysis hydrogen production system and the electric power supply system, the hydrogen is converted into the hydrogen through the water electrolysis hydrogen production system and stored in the hydrogen storage system, the hydrogen in the hydrogen storage system is converted into the electric energy through the fuel cell power generation system and is transmitted to the electric power supply system, so that the hydrogen production by electrolysis of the renewable energy and the mutual supplement of the electric power are realized, the complete absorption of the renewable energy is realized, the electric power system is stabilized, the green and environment-friendly hydrogen energy is provided for the country, the national energy safety is guaranteed while the national energy transformation is realized, and the heat supply is realized through the heat obtained by the solar photo-thermal system and the heat generated by the fuel cell power generation system.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a solar power generation system, 2 is an electrolytic water hydrogen production system, 3 is a hydrogen storage system, 4 is a fuel cell power generation system, 5 is a solar photo-thermal system, 6 is a heat storage system, 7 is a heat supply system, and 8 is an electric power supply system.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments, and are not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
There is shown in the drawings a schematic block diagram of a disclosed embodiment in accordance with the utility model. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of various regions, layers and their relative sizes and positional relationships shown in the drawings are merely exemplary, and deviations may occur in practice due to manufacturing tolerances or technical limitations, and a person skilled in the art may additionally design regions/layers having different shapes, sizes, relative positions, according to actual needs.
Referring to fig. 1, the off-grid energy supply system of the present invention includes a control system, a first heat exchanger, a second heat exchanger, a third heat exchanger, a solar power generation system 1, an electrolytic water hydrogen production system 2, a hydrogen storage system 3, a fuel cell power generation system 4, a solar photo-thermal system 5, a heat storage system 6, a thermal power supply system 7, and an electric power supply system 8;
the output end of the solar power generation system 1 is connected with the power supply system 8 and the power supply interface of the water electrolysis hydrogen production system 2, the hydrogen outlet of the water electrolysis hydrogen production system 2 is communicated with the inlet of the hydrogen storage system 3, the outlet of the hydrogen storage system 3 is communicated with the inlet of the fuel cell power generation system 4, the output end of the fuel cell power generation system 4 is communicated with the power supply system 8, the solar photo-thermal system 5 is communicated with the heat release side of the first heat exchanger, the heat absorption side of the first heat exchanger is communicated with the heat storage system 6, the heat storage system 6 is communicated with the heat release side of the second heat exchanger, and the heat absorption side of the second heat exchanger is communicated with the thermal power supply system 7;
and the heat absorption side of the fuel cell power generation system 4 is communicated with the heat release side of the third heat exchanger, and the heat absorption side of the third heat exchanger is communicated with the heat storage system 6.
A control system and fuel cell power generation system 4, a solar power generation system 1, a power supply system 8, an electrolytic water hydrogen production system 2 and a hydrogen storage system 3;
when the solar water-electrolysis hydrogen-production system works, the electric power generated by the solar power generation system 1 is sent into the water-electrolysis hydrogen-production system 2, is converted into hydrogen through the water-electrolysis hydrogen-production system 2 and is stored in the hydrogen storage system 3, and the hydrogen in the hydrogen storage system 3 is converted into electric power through the fuel cell power generation system 4 and is transmitted to the electric power supply system 8 to complete electric power supply; the solar photo-thermal system 5 converts solar energy into heat energy and stores the heat energy in the heat storage system 6 in a heat exchange mode, the heat energy generated by the fuel cell power generation system 4 is also stored in the heat storage system 6 in a heat exchange mode, a heat medium in the heat storage system 6 transfers the heat energy to the heat supply system 7 in a heat exchange mode, and finally the heat supply system 7 provides heat energy for users.
When the electric energy generated by the solar power generation system 1 is supplied to the electric power supply system 8 and then has residual electric energy, the residual electric energy is sent to the water electrolysis hydrogen production system 2 to carry out water electrolysis hydrogen production, the produced hydrogen is stored in the hydrogen storage system 3, and when the electric energy generated by the solar power generation system cannot meet the requirement of the electric power supply system 8, the hydrogen storage system 3 and the fuel cell power generation system 4 are started, wherein the hydrogen output by the hydrogen storage system 3 enters the fuel cell power generation system 4, and the electric energy generated by the fuel cell power generation system 4 is sent to the electric power supply system 8 to carry out supplementary supply so as to meet the electric power requirement of the electric power supply system 8.
The solar photovoltaic panel in the solar power generation system 1 is one or more of a monocrystalline silicon photovoltaic panel, a polycrystalline silicon photovoltaic panel, a perovskite type photovoltaic panel and a heterojunction type photovoltaic panel;
the water electrolysis hydrogen production system 2 is one or more of an alkaline water electrolysis device, an acidic water electrolysis device and a solid oxide water electrolysis device;
the hydrogen storage system 3 is one or more of a high-pressure gaseous hydrogen storage device, a liquid hydrogen storage device, a metal hydride hydrogen storage device and an organic liquid hydrogen storage device;
the fuel cell power generation system 4 is one or more of a proton exchange membrane fuel cell power generation system, a solid oxide fuel cell power generation system, a molten carbonate fuel cell power generation system and a phosphoric acid fuel cell power generation system;
the heat-gathering form of the solar photo-thermal system 5 is one or more of Fresnel type, disc type and tower type;
the heat storage medium in the heat storage system 6 is one or more of molten carbonate, water vapor and water.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the utility model without departing from the spirit and scope of the utility model, which is to be covered by the claims.
Claims (8)
1. An off-grid energy supply system is characterized by comprising a first heat exchanger, a second heat exchanger, a third heat exchanger, a solar power generation system (1), an electrolytic water hydrogen production system (2), a hydrogen storage system (3), a fuel cell power generation system (4), a solar photo-thermal system (5), a heat storage system (6), a thermal power supply system (7) and an electric power supply system (8);
the output end of the solar power generation system (1) is connected with the power supply system (8) and the power supply interface of the electrolyzed water hydrogen production system (2), the hydrogen outlet of the electrolyzed water hydrogen production system (2) is communicated with the inlet of the hydrogen storage system (3), the outlet of the hydrogen storage system (3) is communicated with the inlet of the fuel cell power generation system (4), the output end of the fuel cell power generation system (4) is communicated with the power supply system (8), the solar photo-thermal system (5) is communicated with the heat release side of the first heat exchanger, the heat absorption side of the first heat exchanger is communicated with the heat storage system (6), the heat storage system (6) is communicated with the heat release side of the second heat exchanger, and the heat absorption side of the second heat exchanger is communicated with the heat supply system (7);
the heat absorption side of the fuel cell power generation system (4) is communicated with the heat release side of the third heat exchanger, and the heat absorption side of the third heat exchanger is communicated with the heat storage system (6).
2. The off-grid energy supply system according to claim 1, further comprising a control system, wherein the control system is connected with the fuel cell power generation system (4), the solar power generation system (1), the power supply system (8), the water electrolysis hydrogen production system (2) and the hydrogen storage system (3).
3. The off-grid energy supply system according to claim 1, wherein the solar photovoltaic panel in the solar power generation system (1) is one or more of a monocrystalline silicon photovoltaic panel, a polycrystalline silicon photovoltaic panel, a perovskite type photovoltaic panel and a heterojunction type photovoltaic panel.
4. The off-grid energy supply system according to claim 1, wherein the water electrolysis hydrogen production system (2) is one or more of an alkaline water electrolysis device, an acidic water electrolysis device and a solid oxide water electrolysis device.
5. The off-grid energy supply system according to claim 1, wherein the hydrogen storage system (3) is one or more of a high-pressure gaseous hydrogen storage device, a liquid hydrogen storage device, a metal hydride hydrogen storage device and an organic liquid hydrogen storage device.
6. The off-grid energy supply system according to claim 1, wherein the fuel cell power generation system (4) is one or more of a proton exchange membrane fuel cell power generation system, a solid oxide fuel cell power generation system, a molten carbonate fuel cell power generation system, and a phosphoric acid fuel cell power generation system.
7. The off-grid energy supply system according to claim 1, wherein the heat collection form of the solar photo-thermal system (5) is one or more of Fresnel type, disc type and tower type.
8. The off-grid energy supply system according to claim 1, wherein the heat storage medium in the heat storage system (6) is one or more of molten carbonate, water vapor and water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120867980.0U CN215580978U (en) | 2021-04-25 | 2021-04-25 | Off-grid energy supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120867980.0U CN215580978U (en) | 2021-04-25 | 2021-04-25 | Off-grid energy supply system |
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| Publication Number | Publication Date |
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| CN215580978U true CN215580978U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120867980.0U Active CN215580978U (en) | 2021-04-25 | 2021-04-25 | Off-grid energy supply system |
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| CN (1) | CN215580978U (en) |
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2021
- 2021-04-25 CN CN202120867980.0U patent/CN215580978U/en active Active
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Effective date of registration: 20230816 Address after: 102209 building a, Huaneng talent innovation and entrepreneurship base, Beiqijia future science and Technology City, Changping District, Beijing Patentee after: HUANENG CLEAN ENERGY Research Institute Patentee after: Huaneng Mingtai Power Co.,Ltd. Patentee after: Sichuan Huaneng Hydrogen Technology Co.,Ltd. Patentee after: HUANENG GROUP TECHNOLOGY INNOVATION CENTER Co.,Ltd. Patentee after: Sichuan Huaneng Taipingyi Hydropower Co.,Ltd. Patentee after: SICHUAN HUANENG BAOXINGHE HYDROPOWER Co.,Ltd. Patentee after: SICHUAN HUANENG JIALINGJIANG HYDROPOWER Co.,Ltd. Patentee after: SICHUAN HUANENG DONGXIGUAN WATER POWER Co.,Ltd. Patentee after: SICHUAN HUANENG KANGDING HYDROPOWER Co.,Ltd. Patentee after: SICHUAN HUANENG FUJIANG HYDROPOWER CO.,LTD. Address before: 102209 building a, Huaneng talent innovation and entrepreneurship base, future science and Technology City, Beiqijia Town, Changping District, Beijing Patentee before: HUANENG CLEAN ENERGY Research Institute |