CN212849881U - Electricity-hydrogen-heat storage integrated energy system with deep utilization of heat energy - Google Patents
Electricity-hydrogen-heat storage integrated energy system with deep utilization of heat energy Download PDFInfo
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- CN212849881U CN212849881U CN202021854655.2U CN202021854655U CN212849881U CN 212849881 U CN212849881 U CN 212849881U CN 202021854655 U CN202021854655 U CN 202021854655U CN 212849881 U CN212849881 U CN 212849881U
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- 238000005338 heat storage Methods 0.000 title claims description 5
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 147
- 239000001257 hydrogen Substances 0.000 claims abstract description 147
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 139
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 74
- 239000000446 fuel Substances 0.000 claims abstract description 58
- 238000004519 manufacturing process Methods 0.000 claims abstract description 51
- 238000010248 power generation Methods 0.000 claims abstract description 46
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 30
- 238000004146 energy storage Methods 0.000 claims abstract description 23
- 239000000498 cooling water Substances 0.000 claims abstract description 19
- 230000010354 integration Effects 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 abstract description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/133—Renewable energy sources, e.g. sunlight
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Abstract
The utility model relates to an electricity-hydrogen-heat integrated energy system with deep utilization of heat energy, which comprises a wind power generation device, a solar photovoltaic power generation device, an energy storage device, a water electrolysis hydrogen production device, a hydrogen fuel cell and a hydrogen external supply pipeline; the wind power generation equipment, the solar photovoltaic power generation equipment, the energy storage equipment, the water electrolysis hydrogen production equipment and the hydrogen fuel cell are connected through an internal power network; the water electrolysis hydrogen production equipment is provided with an electrolytic bath cooling water inlet pipeline and an electrolytic bath hot water outlet pipeline and is used for conveying heat energy to the outside; the electrolytic water hydrogen production equipment is respectively connected with a hydrogen fuel cell and a hydrogen external supply pipeline through an outlet pipeline of the hydrogen production equipment; the hydrogen fuel cell is provided with a hydrogen fuel cell cooling water inlet pipeline and a hydrogen fuel cell hot water outlet pipeline, and is used for conveying heat energy to the outside. The utility model discloses can carry out comprehensive recovery to the heat energy of system operation in-process, improve the external integration hydrogen supply heat supply level in the renewable energy development process.
Description
Technical Field
The utility model belongs to the technical field of renewable energy, especially, relate to a heat integration energy system is stored up to electricity that heat energy degree of depth utilized.
Background
The development of renewable energy sources such as wind power, photovoltaic power generation and the like is increased, the objective requirement for solving the energy source requirement in China is met, fossil energy consumption in China is reduced, and the dependence on fossil energy consumption and the emission intensity of carbon dioxide are reduced. However, the electric energy has the defect that the electric energy cannot be stored for a long time in a large scale, so that the consumption level of renewable energy sources is improved, and the promotion of the development of the renewable energy sources is always an important problem facing the power grid construction and energy development in China.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electricity hydrogen storage heat integration energy system that heat energy degree of depth utilized, to wind-powered electricity generation, in the renewable energy development processes such as photovoltaic, the difficult problem of produced electric quantity can't realize effectively digesting and carrying to the outside, and the heat recovery problem that produces among the electrolysis water hydrogen manufacturing process, retrieve through the heat to the factory hydrogen fuel cell with electrolysis water hydrogen manufacturing equipment operation in-process, when guaranteeing the system safety and stability of solitary net, improve the system efficiency management level, reduce the thermal pollution of green hydrogen manufacturing in-process.
The utility model provides an electricity-hydrogen-heat integrated energy system with deep utilization of heat energy, which comprises a wind power generation device, a solar photovoltaic power generation device, an energy storage device, a water electrolysis hydrogen production device, a hydrogen fuel cell and a hydrogen external supply pipeline;
the wind power generation equipment, the solar photovoltaic power generation equipment, the energy storage equipment, the water electrolysis hydrogen production equipment and the hydrogen fuel cell are connected through an internal power network and are used for operating in an isolated network mode;
the electrolytic water hydrogen production equipment is provided with an electrolytic bath cooling water inlet pipeline and an electrolytic bath hot water outlet pipeline and is used for conveying heat energy to the outside through the electrolytic bath hot water outlet pipeline;
the electrolytic water hydrogen production equipment is respectively connected with the hydrogen fuel cell and a hydrogen external supply pipeline through an outlet pipeline of the hydrogen production equipment;
the hydrogen fuel cell is provided with a hydrogen fuel cell cooling water inlet pipeline and a hydrogen fuel cell hot water outlet pipeline and is used for conveying heat energy to the outside through the hydrogen fuel cell hot water outlet pipeline.
Further, the electric energy generated by the wind power generation equipment and the solar photovoltaic power generation equipment during the system operation period is used for supplying the electric energy required by the operation of the water electrolysis hydrogen production equipment and charging the energy storage equipment.
Further, the hydrogen fuel cell and the energy storage device are used for providing a starting power supply and a control power supply for the wind power generation device, the solar photovoltaic power generation device and the water electrolysis hydrogen production device.
Furthermore, the electrolytic cell cooling water inlet pipeline and the hydrogen fuel cell cooling water inlet pipeline are used for cooling the electrolytic water hydrogen production equipment and the hydrogen fuel cell by using cooling water when the electrolytic water hydrogen production equipment and the hydrogen fuel cell operate, and generated hot water is respectively discharged through the electrolytic cell hot water outlet pipeline and the hydrogen fuel cell hot water outlet pipeline and then collected.
Furthermore, the temperature of the hot water at the outlet of the hot water outlet pipeline of the electrolytic cell is 60-100 ℃, and the temperature of the outlet of the hot water outlet pipeline of the hydrogen fuel cell is 75-200 ℃.
Furthermore, the scale capacity and the number of the wind power generation equipment, the solar photovoltaic power generation equipment, the energy storage equipment and the water electrolysis hydrogen production equipment are adaptively adjusted according to actual conditions.
Furthermore, the operating pressure of the outlet pipeline of the hydrogen production equipment and the external hydrogen supply pipeline is 1MPa-5 MPa.
By means of the scheme, the electric hydrogen and heat storage integrated energy system deeply utilizing heat energy has the following technical effects:
1) the hydrogen fuel cell is arranged in the renewable energy isolated network operation hydrogen production system, hot water in the water electrolysis hydrogen production and hydrogen fuel cell operation process is recovered, high-quality low-price hydrogen and heat are supplied to the outside, and the development level of green energy is improved.
2) When the system adopts an isolated network operation mode, the electric energy generated by the wind power generation equipment and the solar photovoltaic power generation equipment does not need to be boosted to high-level voltage, the development cost of renewable energy sources can be effectively reduced, and the prepared hydrogen has the advantage of low price and high quality.
3) The method has the advantages of high development and utilization rate of renewable energy sources, no waste of heat, no carbon dioxide emission in the production process, low cost of hydrogen products, and capability of adjusting the running state according to different requirements of the outside on hydrogen energy, electric energy and heat energy.
4) When the wind power generation equipment and the photovoltaic power generation equipment operate, the hydrogen fuel cell is injected with hydrogen, and the energy storage equipment is charged, so that a stable and reliable energy source guarantee system can be established, and the deep development level of renewable energy sources is improved.
5) The utility model discloses a wind power generation equipment, solar photovoltaic power generation equipment, energy storage equipment, electrolysis water hydrogen manufacturing equipment, hydrogen storage device's configuration and control are adjusted, can adjust according to utility model use the wind-force resource, solar energy resource and the hydrogen consumer demand of place, can satisfy different areas renewable resources development and green energy consumer demand change, have improved the utility model discloses an adaptability.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made of preferred embodiments of the present invention.
Drawings
Fig. 1 is a schematic structural diagram of the electric-hydrogen-thermal integrated energy system for deep utilization of heat energy.
Reference numbers in the figures:
1-a wind power plant; 2-solar photovoltaic power generation equipment; 3-an energy storage device; 4-an internal power network; 5-water electrolysis hydrogen production equipment; 6-outlet pipeline of hydrogen production equipment; 7-hydrogen fuel cell inlet hydrogen line; 8-hydrogen fuel cells; 9-electrolytic bath cooling water inlet pipeline; 10-electrolysis bath hot water outlet pipe; 11-hydrogen fuel cell cooling water inlet pipe; 12-hydrogen fuel cell hot water outlet conduit; 13-hydrogen external supply line.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Compared with electric energy, hydrogen energy has the advantage of long-time large-scale storage, and is a beneficial supplement for secondary energy consumption in China besides electric energy. In addition, the hydrogen energy has a more flexible utilization way, and the carbon dioxide emission level in China can be further reduced by improving the consumption level of the hydrogen energy in China. The system is provided with the hydrogen fuel cell in a factory hydrogen mode, so that the energy storage investment cost of the isolated network operation system is reduced, and meanwhile, the heat generated in the operation process of the hydrogen fuel cell and the water electrolysis hydrogen production equipment is recovered, so that the external thermal pollution of the whole set of equipment can be reduced, and the comprehensive energy efficiency level of the system can be improved.
Referring to fig. 1, the present embodiment provides an electrical-hydrogen-storage-thermal integrated energy system with deep utilization of heat energy, which includes a wind power generation device 1, a solar photovoltaic power generation device 2, an energy storage device 3, a water electrolysis hydrogen production device 5, a hydrogen fuel cell 8, and a hydrogen external supply pipeline 13;
the wind power generation equipment 1, the solar photovoltaic power generation equipment 2, the energy storage equipment 3, the water electrolysis hydrogen production equipment 5 and the hydrogen fuel cell 8 are connected through an internal power network 4 and are used for operating in an isolated network mode;
the electrolyzed water hydrogen production equipment 5 is provided with an electrolytic bath cooling water inlet pipeline 9 and an electrolytic bath hot water outlet pipeline 10 and is used for conveying heat energy to the outside through the electrolytic bath hot water outlet pipeline 10;
the electrolytic water hydrogen production equipment 5 is respectively connected with the hydrogen fuel cell 8 and the hydrogen external supply pipeline 13 through the hydrogen production equipment outlet pipeline 6;
the hydrogen fuel cell 8 is provided with a hydrogen fuel cell cooling water inlet pipeline 11 and a hydrogen fuel cell hot water outlet pipeline 12, and is used for conveying heat energy to the outside through the hydrogen fuel cell hot water outlet pipeline 12 to realize deep recovery of the heat energy.
In the embodiment, the electric energy generated by the wind power generation device 1 and the solar photovoltaic power generation device 2 during the system operation is used for supplying the electric energy required by the operation of the water electrolysis hydrogen production device 5 and charging the energy storage device 3.
In the embodiment, the hydrogen fuel cell 8 and the energy storage device 3 are used for providing a starting power supply and a control power supply for the wind power generation device 1, the solar photovoltaic power generation device 2 and the water electrolysis hydrogen production device 5.
In the present embodiment, the electrolyzer cooling water inlet pipe 9 and the hydrogen fuel cell cooling water inlet pipe 11 are used to cool the electrolyzed water hydrogen production apparatus 5 and the hydrogen fuel cell 8 with cooling water when the electrolyzed water hydrogen production apparatus 5 and the hydrogen fuel cell 8 are operated, and the generated hot water is discharged through the electrolyzer hot water outlet pipe 10 and the hydrogen fuel cell hot water outlet pipe 12, respectively, and then collected.
In the embodiment, the outlet hot water temperature of the hot water outlet pipeline 10 of the electrolytic cell is 60-100 ℃, and the outlet temperature of the hot water outlet pipeline 12 of the hydrogen fuel cell is 75-200 ℃.
In the embodiment, the scale capacities and the numbers of the wind power generation equipment 1, the solar photovoltaic power generation equipment 2, the energy storage equipment 3 and the water electrolysis hydrogen production equipment 5 are adaptively adjusted according to actual conditions.
In the embodiment, the operation pressure of the outlet pipeline 6 of the hydrogen production equipment and the external hydrogen supply pipeline 13 is 1MPa-5 MPa.
The electric hydrogen and heat storage integrated energy system with the deep utilization of heat energy has the following technical effects:
1) the hydrogen fuel cell is arranged in the renewable energy isolated network operation hydrogen production system, hot water in the water electrolysis hydrogen production and hydrogen fuel cell operation process is recovered, high-quality low-price hydrogen and heat are supplied to the outside, and the development level of green energy is improved.
2) When the system adopts an isolated network operation mode, the electric energy generated by the wind power generation equipment and the solar photovoltaic power generation equipment does not need to be boosted to high-level voltage, the development cost of renewable energy sources can be effectively reduced, and the prepared hydrogen has the advantage of low price and high quality.
3) The method has the advantages of high development and utilization rate of renewable energy sources, no waste of heat, no carbon dioxide emission in the production process, low cost of hydrogen products, and capability of adjusting the running state according to different requirements of the outside on hydrogen energy, electric energy and heat energy.
4) When the wind power generation equipment and the photovoltaic power generation equipment operate, the hydrogen fuel cell is injected with hydrogen, and the energy storage equipment is charged, so that a stable and reliable energy source guarantee system can be established, and the deep development level of renewable energy sources is improved.
5) The utility model discloses a wind power generation equipment, solar photovoltaic power generation equipment, energy storage equipment, electrolysis water hydrogen manufacturing equipment, hydrogen storage device's configuration and control are adjusted, can adjust according to utility model use the wind-force resource, solar energy resource and the hydrogen consumer demand of place, can satisfy different areas renewable resources development and green energy consumer demand change, have improved the utility model discloses an adaptability.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. An electricity-hydrogen-heat storage integrated energy system with deep utilization of heat energy is characterized by comprising wind power generation equipment (1), solar photovoltaic power generation equipment (2), energy storage equipment (3), water electrolysis hydrogen production equipment (5), a hydrogen fuel cell (8) and a hydrogen external supply pipeline (13);
the wind power generation equipment (1), the solar photovoltaic power generation equipment (2), the energy storage equipment (3), the water electrolysis hydrogen production equipment (5) and the hydrogen fuel cell (8) are connected through an internal power network (4) and are used for operating in an isolated network mode;
the electrolytic water hydrogen production equipment (5) is provided with an electrolytic bath cooling water inlet pipeline (9) and an electrolytic bath hot water outlet pipeline (10) and is used for conveying heat energy to the outside through the electrolytic bath hot water outlet pipeline (10);
the electrolytic water hydrogen production equipment (5) is respectively connected with the hydrogen fuel cell (8) and a hydrogen external supply pipeline (13) through a hydrogen production equipment outlet pipeline (6);
the hydrogen fuel cell (8) is provided with a hydrogen fuel cell cooling water inlet pipeline (11) and a hydrogen fuel cell hot water outlet pipeline (12) and is used for conveying heat energy to the outside through the hydrogen fuel cell hot water outlet pipeline (12).
2. The electrical-hydrogen storage-thermal integrated energy system for deep utilization of thermal energy according to claim 1, characterized in that the electrical energy generated by the wind power generation device (1) and the solar photovoltaic power generation device (2) during the system operation is used for supplying the electrical energy required by the water electrolysis hydrogen production device (5) to operate and charging the energy storage device (3).
3. The electrical hydrogen storage and thermal energy storage integrated energy system for deep utilization of heat energy as claimed in claim 1, wherein the hydrogen fuel cell (8) and the energy storage device (3) are used for providing a starting power supply and a control power supply for the wind power generation device (1), the solar photovoltaic power generation device (2) and the water electrolysis hydrogen production device (5).
4. The electrical hydrogen storage and heat integration energy system for deep utilization of heat energy as claimed in claim 1, wherein the electrolysis bath cooling water inlet pipeline (9) and the hydrogen fuel cell cooling water inlet pipeline (11) are used for cooling the electrolysis water hydrogen production equipment (5) and the hydrogen fuel cell (8) by using cooling water when the electrolysis water hydrogen production equipment (5) and the hydrogen fuel cell (8) operate, and generated hot water is discharged through the electrolysis bath hot water outlet pipeline (10) and the hydrogen fuel cell hot water outlet pipeline (12) and then collected.
5. The electrical hydrogen storage and thermal energy integration energy system for deep utilization of thermal energy as claimed in claim 1, wherein the outlet hot water temperature of the electrolyzer hot water outlet pipe (10) is 60-100 ℃, and the outlet temperature of the hydrogen fuel cell hot water outlet pipe (12) is 75-200 ℃.
6. The electrical hydrogen storage and thermal energy integration energy system for deep utilization of heat energy as claimed in claim 1, wherein the operating pressure of the outlet pipeline (6) of the hydrogen production equipment and the external hydrogen supply pipeline (13) is 1MPa-5 MPa.
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CN202021854655.2U CN212849881U (en) | 2020-08-28 | 2020-08-28 | Electricity-hydrogen-heat storage integrated energy system with deep utilization of heat energy |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115094483A (en) * | 2022-06-17 | 2022-09-23 | 天府新能源研究院 | Device for preparing and collecting hydrogen by electrolyzing water |
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2020
- 2020-08-28 CN CN202021854655.2U patent/CN212849881U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115094483A (en) * | 2022-06-17 | 2022-09-23 | 天府新能源研究院 | Device for preparing and collecting hydrogen by electrolyzing water |
CN115094483B (en) * | 2022-06-17 | 2024-02-06 | 天府新能源研究院 | Device for preparing and collecting hydrogen by electrolyzing water |
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Granted publication date: 20210330 |