CN218888212U - Distributed liquid hydrogen energy storage and release system - Google Patents
Distributed liquid hydrogen energy storage and release system Download PDFInfo
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- CN218888212U CN218888212U CN202223169918.8U CN202223169918U CN218888212U CN 218888212 U CN218888212 U CN 218888212U CN 202223169918 U CN202223169918 U CN 202223169918U CN 218888212 U CN218888212 U CN 218888212U
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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
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Abstract
The utility model discloses a distributing type liquid hydrogen energy storage and energy release system, including electricity storage liquefaction unit, liquid hydrogen power generation unit and liquid hydrogen transport vechicle, electricity storage liquefaction unit includes: the hydrogen production device comprises a water electrolysis hydrogen production device and a hydrogen liquefaction device which can convert hydrogen into liquid hydrogen by using surplus green electric power and store the liquid hydrogen in a liquid hydrogen storage tank on the electricity storage side; the liquid hydrogen power generation unit includes: an outlet of the liquid hydrogen storage tank at the power generation side is connected with a cold flow inlet of the heat exchanger through a liquid hydrogen pump, a cold flow outlet of the heat exchanger is connected with an inlet of the first air-temperature vaporizer, and an outlet of the first air-temperature vaporizer is connected with an inlet of the liquid hydrogen fuel cell generator set; the liquid neon buffer tank is connected with an inlet of the second air-temperature type vaporizer through a liquid neon pump, an outlet of the second air-temperature type vaporizer is connected with an inlet of the neon expansion generator set, an outlet of the neon expansion generator set is connected with a heat flow inlet of the heat exchanger, and a heat flow outlet of the heat exchanger is connected with an inlet of the liquid neon buffer tank. The utility model has the advantage of energy saving.
Description
Technical Field
The utility model relates to a photovoltaic, wind-powered electricity generation, morning and evening tides energy utilization technical field, concretely relates to distributing type liquid hydrogen energy storage and energy release system.
Background
At present, the problem of surplus green power often appears in partial domestic areas with abundant photovoltaic, wind energy and tidal resources, and how to utilize surplus green power is a problem to be solved urgently. At present, a method for erecting a power grid and storing electricity by using a lithium battery is commonly used, but the problems of huge investment and difficult power grid reconstruction exist in the process of erecting the power grid; the energy storage of the lithium battery has the problems of limited storage capacity, difficult battery recovery, environmental pollution in the battery manufacturing process and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving, small, the pollution-free distributed liquid hydrogen energy storage and release system of investing in.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a distributing type liquid hydrogen energy storage and energy release system, includes can respectively independent arrangement in the electricity storage liquefaction unit in different areas, liquid hydrogen power generation unit and be used for carrying the liquid hydrogen transport vechicle of liquid hydrogen, electricity storage liquefaction unit arranges in the surplus region of green electric power and can be stored liquid hydrogen with surplus green electric power transformation, electricity storage liquefaction unit includes: the hydrogen production device comprises an electrolytic water hydrogen production device capable of utilizing surplus green electric power to produce hydrogen, and a hydrogen liquefaction device capable of utilizing the surplus green electric power to convert the hydrogen into liquid hydrogen and store the liquid hydrogen in a liquid hydrogen storage tank on the electricity storage side; the liquid hydrogen power generation unit is arranged in a region with large power consumption demand and can utilize a liquid hydrogen transport vehicle to transmit liquid hydrogen from the power storage liquefaction unit to generate power to be on line; the liquid hydrogen power generation unit includes: the system comprises a power generation side liquid hydrogen storage tank, a liquid hydrogen pump, a heat exchanger, a first air temperature type vaporizer, a liquid hydrogen fuel cell generator set, a liquid neon buffer tank, a liquid neon pump, a second air temperature type vaporizer and a neon expansion generator set; an outlet of the liquid hydrogen storage tank at the power generation side is connected with a cold flow inlet of the heat exchanger through a liquid hydrogen pump, a cold flow outlet of the heat exchanger is connected with an inlet of the first air-temperature vaporizer, and an outlet of the first air-temperature vaporizer is connected with an inlet of the liquid hydrogen fuel cell generator set; the liquid neon buffer tank is connected with an inlet of the second air-temperature type vaporizer through a liquid neon pump, an outlet of the second air-temperature type vaporizer is connected with an inlet of the neon expansion generator set, an outlet of the neon expansion generator set is connected with a heat flow inlet of the heat exchanger, and a heat flow outlet of the heat exchanger is connected with an inlet of the liquid neon buffer tank.
Further, the foregoing distributed liquid hydrogen energy storage and release system, wherein: an outlet of the liquid hydrogen storage tank at the power generation side is connected with an inlet of a liquid hydrogen pump through a first pipeline, an outlet of the liquid hydrogen pump is connected with a cold flow inlet of a heat exchanger through a second pipeline, a cold flow outlet of the heat exchanger is connected with an inlet of a first air-temperature vaporizer through a third pipeline, and an outlet of the first air-temperature vaporizer is connected with an inlet of a liquid hydrogen fuel cell generator set; the liquid neon buffer tank is connected with an inlet of the liquid neon pump through a fourth pipeline, an outlet of the liquid neon pump is connected with an inlet of the second air-temperature vaporizer through a fifth pipeline, an outlet of the second air-temperature vaporizer is connected with an inlet of the neon expansion generator set, an outlet of the neon expansion generator set is connected with a heat flow inlet of the heat exchanger through a sixth pipeline, and a heat flow outlet of the heat exchanger is connected with an inlet of the liquid neon buffer tank through a seventh pipeline.
Further, the foregoing distributed liquid hydrogen energy storage and release system, wherein: a first filter is arranged between the first air-temperature vaporizer and the liquid hydrogen fuel cell generator set, an outlet of the first air-temperature vaporizer is connected with an inlet of the first filter through an eighth pipeline, and an outlet of the first filter is connected with an inlet of the liquid hydrogen fuel cell generator set through a ninth pipeline.
Further, the foregoing distributed liquid hydrogen energy storage and release system, wherein: and a second filter is arranged between the second air-temperature vaporizer and the neon gas expansion generator set, an outlet of the second air-temperature vaporizer is connected with an inlet of the second filter through a tenth pipeline, and an outlet of the second filter is connected with an inlet of the neon gas expansion generator set through an eleventh pipeline.
Through the implementation of the above technical scheme, the beneficial effects of the utility model are that: the method comprises the following steps that an electricity storage liquefaction unit is arranged in a region with surplus green electric power, the electricity storage liquefaction unit is used for converting the surplus green electric power into liquid hydrogen for storage and energy saving, a liquid hydrogen power generation unit is arranged in a region with large electricity demand, and the liquid hydrogen transmitted by a liquid hydrogen transport vehicle from the electricity storage liquefaction unit is used for power generation and internet surfing; energy saving, low investment, no pollution and flexible construction.
Drawings
Fig. 1 is a schematic diagram of a structural principle of a distributed liquid hydrogen energy storage and release system according to the present invention.
Fig. 2 is a schematic structural diagram of the liquid hydrogen power generation unit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and fig. 2, the distributed liquid hydrogen energy storage and release system includes an electric storage liquefaction unit 1 and a liquid hydrogen power generation unit 2 that can be respectively and independently disposed in different regions, and a liquid hydrogen transportation vehicle 3 for transporting liquid hydrogen, where the electric storage liquefaction unit 1 is disposed in a region with surplus green electric power and can convert the surplus green electric power into liquid hydrogen for storage, and the electric storage liquefaction unit 1 includes: the hydrogen production system comprises an electrolytic water hydrogen production device 11 capable of utilizing surplus green electric power to produce hydrogen, and a hydrogen liquefaction device 13 capable of utilizing the surplus green electric power to convert the hydrogen into liquid hydrogen and store the liquid hydrogen in a liquid hydrogen storage tank 12 on the electricity storage side; the liquid hydrogen power generation unit 2 is arranged in a region with large power demand and can utilize a liquid hydrogen transport vehicle 3 to transmit liquid hydrogen from the electricity storage liquefaction unit 1 to generate electricity to be networked; the liquid hydrogen power generation unit 2 includes: a liquid hydrogen storage tank 21 at the power generation side, a liquid hydrogen pump 22, a heat exchanger 23, a first air-temperature vaporizer 24, a liquid hydrogen fuel cell generator set 25, a liquid neon buffer tank 26, a liquid neon pump 27, a second air-temperature vaporizer 28 and a neon expansion generator set 29; an outlet of the power generation side liquid hydrogen storage tank 21 is connected with an inlet of a liquid hydrogen pump 22 through a first pipeline 41, an outlet of the liquid hydrogen pump 22 is connected with a cold flow inlet of a heat exchanger 23 through a second pipeline 42, a cold flow outlet of the heat exchanger 23 is connected with an inlet of a first air-temperature vaporizer 24 through a third pipeline 43, a first filter 210 is arranged between the first air-temperature vaporizer 24 and the liquid hydrogen fuel cell generator set 25, an outlet of the first air-temperature vaporizer 24 is connected with an inlet of the first filter 210 through an eighth pipeline 48, and an outlet of the first filter 210 is connected with an inlet of the liquid hydrogen fuel cell generator set 25 through a ninth pipeline 49; the liquid neon buffer tank 26 is connected with the inlet of the liquid neon pump 27 through a fourth pipeline 44, the outlet of the liquid neon pump 27 is connected with the inlet of the second air-temperature vaporizer 28 through a fifth pipeline 45, a second filter 211 is arranged between the second air-temperature vaporizer 28 and the neon gas expansion generator set 29, the outlet of the second air-temperature vaporizer 28 is connected with the inlet of the second filter 211 through a tenth pipeline 410, the outlet of the second filter 211 is connected with the inlet of the neon gas expansion generator set 29 through an eleventh pipeline 411, the outlet of the neon gas expansion generator set 29 is connected with the heat flow inlet of the heat exchanger 23 through a sixth pipeline 46, and the heat flow outlet of the heat exchanger 23 is connected with the inlet of the liquid neon buffer tank 26 through a seventh pipeline 47;
when the liquefied hydrogen storage tank is applied, the electricity storage liquefaction unit 1 is arranged in an area with rich wind energy, solar energy and tidal resources, and surplus green electric power in the area is utilized to carry out hydrogen liquefaction so as to realize liquid hydrogen energy storage; arranging the liquid hydrogen power generation unit 2 in an area with large power demand, and realizing energy release and power generation of liquid hydrogen through a liquid hydrogen fuel cell generator set 25;
the specific energy storage process of the electricity storage liquefaction unit 1 is as follows: the water electrolysis hydrogen production device 11 utilizes the surplus green electric power to prepare hydrogen, the prepared hydrogen is introduced into the hydrogen liquefying device 13, and the hydrogen liquefying device 13 converts the hydrogen into liquid hydrogen by utilizing the surplus green electric power and stores the liquid hydrogen in the liquid hydrogen storage tank 12 at the electricity storage side;
then, the liquid hydrogen obtained by the electricity storage liquefaction unit 1 is conveyed to a liquid hydrogen storage tank 21 at the power generation side of the liquid hydrogen power generation unit 2 by using a liquid hydrogen transport vehicle 3 for storage;
the specific energy release process of the liquid hydrogen power generation unit 2 comprises two parts, wherein one part is a liquid hydrogen fuel cell generator set 25 which utilizes liquid hydrogen to release energy for power generation, and the other part is a neon expansion generator set 29 which utilizes low-temperature cold energy of the liquid hydrogen to generate power;
the specific process of the liquid hydrogen fuel cell generator set 25 for energy release power generation by using liquid hydrogen is as follows: the liquid hydrogen pump 22 is started, liquid hydrogen in the liquid hydrogen storage tank 21 on the power generation side enters the liquid hydrogen pump 22 through the first pipeline 41, the liquid hydrogen pump 22 pressurizes the liquid hydrogen to 2-4 bara and then enters the second pipeline 42, then the liquid hydrogen enters the cold flow channel of the heat exchanger 23 through the second pipeline 42, the liquid hydrogen entering the cold flow channel of the heat exchanger 23 can exchange heat with low-temperature neon entering the hot flow channel of the heat exchanger 23, the cold energy of the liquid hydrogen is transferred to the low-temperature neon, the low-temperature neon is gasified into liquid neon, the liquid hydrogen is changed into low-temperature hydrogen with the temperature of about 118K after heat exchange, the low-temperature hydrogen after heat exchange of the liquid hydrogen through the heat exchanger 23 enters the first air-temperature vaporizer 24 through the third pipeline 43, the first air-temperature vaporizer 24 reheats the low-temperature hydrogen to normal temperature, then enters the first filter 210 through the eighth pipeline 48, the first filter 210 filters the normal-temperature hydrogen and then enters the liquid hydrogen fuel cell generator set 25 through the ninth pipeline 49, and then the liquid hydrogen fed into the power generator set 25 is used for power generation by utilizing the hydrogen fed on the internet;
while the liquid hydrogen fuel cell generator set 25 utilizes liquid hydrogen to generate power and surf the internet, the neon expansion generator set 29 can continuously utilize the low-temperature cold energy of the liquid hydrogen to generate power, and the specific power generation and energy release process is as follows: the liquid neon pump 27 is started while the liquid hydrogen pump 22 is started, liquid neon in the liquid neon buffer tank 26 enters the liquid neon pump 27 through the fourth pipeline 44, the liquid neon pump 27 pressurizes the liquid neon to 20-60 bara, then the liquid neon enters the fifth pipeline 45, then the liquid neon enters the second air-temperature vaporizer 28 through the fifth pipeline 45, the liquid neon is reheated to normal-temperature neon by the second air-temperature vaporizer 28, then the liquid neon enters the second filter 211 through the tenth pipeline 410, the normal-temperature neon is filtered by the second filter 211, then the liquid neon enters the neon expansion generator set 29 through the eleventh pipeline 411, the neon generator set 29 applies work to generate power and is connected to the upper net, the neon expansion generator set 29 applies work to output low-temperature neon, then the low-temperature neon enters the hot flow channel of the heat exchanger 23 through the sixth pipeline 46, the liquid neon entering the hot flow channel of the heat exchanger 23 exchanges heat with the liquid hydrogen entering the cold flow channel of the heat exchanger 23, and the cold energy of the liquid hydrogen is transferred to the low-temperature neon to convert the low-temperature neon into liquid neon, and the liquid neon is returned to the seventh pipeline 47 to store the liquid neon in the buffer tank 26.
The utility model has the advantages that: the method comprises the following steps that an electricity storage liquefaction unit is arranged in a region with surplus green electric power, the electricity storage liquefaction unit is used for converting the surplus green electric power into liquid hydrogen for storage and energy saving, a liquid hydrogen power generation unit is arranged in a region with large electricity demand, and the liquid hydrogen transmitted by a liquid hydrogen transport vehicle from the electricity storage liquefaction unit is used for power generation and internet surfing; energy saving, low investment, no pollution and flexible construction.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any modifications or equivalent changes made in accordance with the technical spirit of the present invention are also within the scope of the present invention.
Claims (4)
1. A distributed liquid hydrogen energy storage and release system is characterized in that: including can respectively independently arrange in the electricity storage liquefaction unit and the liquid hydrogen power generation unit in different areas to and be used for carrying the liquid hydrogen transport vechicle of liquid hydrogen, electricity storage liquefaction unit arranges in the surplus region of green electric power and can turn into liquid hydrogen with surplus green electric power and store, electricity storage liquefaction unit includes: the hydrogen production device comprises an electrolytic water hydrogen production device which can utilize the surplus green electric power to produce hydrogen, and a hydrogen liquefaction device which can utilize the surplus green electric power to convert the hydrogen into liquid hydrogen and store the liquid hydrogen in a liquid hydrogen storage tank at the electricity storage side; the liquid hydrogen power generation unit is arranged in an area with large power demand and can utilize a liquid hydrogen transport vehicle to carry out power generation on the internet from the power storage liquefaction unit; the liquid hydrogen power generation unit includes: the system comprises a power generation side liquid hydrogen storage tank, a liquid hydrogen pump, a heat exchanger, a first air-temperature vaporizer, a liquid hydrogen fuel cell generator set, a liquid neon buffer tank, a liquid neon pump, a second air-temperature vaporizer and a neon expansion generator set; an outlet of the liquid hydrogen storage tank on the power generation side is connected with a cold flow inlet of a heat exchanger through a liquid hydrogen pump, a cold flow outlet of the heat exchanger is connected with an inlet of a first air-temperature vaporizer, and an outlet of the first air-temperature vaporizer is connected with an inlet of a liquid hydrogen fuel cell generator set; the liquid neon buffer tank is connected with an inlet of the second air-temperature vaporizer through a liquid neon pump, an outlet of the second air-temperature vaporizer is connected with an inlet of the neon expansion generator set, an outlet of the neon expansion generator set is connected with a heat flow inlet of the heat exchanger, and a heat flow outlet of the heat exchanger is connected with an inlet of the liquid neon buffer tank.
2. The distributed liquid hydrogen energy storage and release system of claim 1, wherein: an outlet of the liquid hydrogen storage tank at the power generation side is connected with an inlet of a liquid hydrogen pump through a first pipeline, an outlet of the liquid hydrogen pump is connected with a cold flow inlet of a heat exchanger through a second pipeline, a cold flow outlet of the heat exchanger is connected with an inlet of a first air-temperature vaporizer through a third pipeline, and an outlet of the first air-temperature vaporizer is connected with an inlet of a liquid hydrogen fuel cell generator set; the liquid neon buffer tank is connected with an inlet of the liquid neon pump through a fourth pipeline, an outlet of the liquid neon pump is connected with an inlet of the second air-temperature vaporizer through a fifth pipeline, an outlet of the second air-temperature vaporizer is connected with an inlet of the neon expansion generator set, an outlet of the neon expansion generator set is connected with a heat flow inlet of the heat exchanger through a sixth pipeline, and a heat flow outlet of the heat exchanger is connected with an inlet of the liquid neon buffer tank through a seventh pipeline.
3. A distributed liquid hydrogen energy storage and release system according to claim 1 or 2, characterized in that: a first filter is arranged between the first air-temperature vaporizer and the liquid hydrogen fuel cell generator set, an outlet of the first air-temperature vaporizer is connected with an inlet of the first filter through an eighth pipeline, and an outlet of the first filter is connected with an inlet of the liquid hydrogen fuel cell generator set through a ninth pipeline.
4. A distributed liquid hydrogen energy storage and release system according to claim 1 or 2, characterized in that: and a second filter is arranged between the second air-temperature vaporizer and the neon gas expansion generator set, an outlet of the second air-temperature vaporizer is connected with an inlet of the second filter through a tenth pipeline, and an outlet of the second filter is connected with an inlet of the neon gas expansion generator set through an eleventh pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223169918.8U CN218888212U (en) | 2022-11-29 | 2022-11-29 | Distributed liquid hydrogen energy storage and release system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223169918.8U CN218888212U (en) | 2022-11-29 | 2022-11-29 | Distributed liquid hydrogen energy storage and release system |
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| CN218888212U true CN218888212U (en) | 2023-04-18 |
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| CN202223169918.8U Active CN218888212U (en) | 2022-11-29 | 2022-11-29 | Distributed liquid hydrogen energy storage and release system |
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