CN218910543U - Thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage - Google Patents
Thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage Download PDFInfo
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- CN218910543U CN218910543U CN202222708881.5U CN202222708881U CN218910543U CN 218910543 U CN218910543 U CN 218910543U CN 202222708881 U CN202222708881 U CN 202222708881U CN 218910543 U CN218910543 U CN 218910543U
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Abstract
The utility model belongs to the fields of heat supply, power supply and air supply, and discloses a coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage thermoelectric supply system, which comprises: the photovoltaic photo-thermal assembly comprises a first electric energy output end and a first heat energy output end, and the first heat energy output end is communicated with the heat exchange energy storage water tank through a heat exchange medium circulation pipeline; the fuel cell, the hydrogen inlet communicates with hydrogen storage device; the hydrogen production device is used for producing hydrogen by the electric energy of the first electric energy output end and is communicated with the hydrogen storage device; the second heat energy output end of the fuel cell is communicated with the heat utilization terminal; the heat exchange energy storage water tank is an immersion type heat exchange energy storage water tank; the hydrogen production device is an electrolytic water hydrogen production device; the first electric energy output end and the second electric energy output end are respectively connected with the power distribution cabinet. The utility model achieves the cascade utilization of solar energy, simultaneously ensures a heat source, provides stable heat output, and produces zero-carbon power and hydrogen.
Description
Technical Field
The utility model relates to the fields of heat supply, power supply and air supply, in particular to a thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage.
Background
The description of the background art to which the present utility model pertains is merely for illustrating and facilitating understanding of the summary of the utility model, and should not be construed as an explicit recognition or presumption by the applicant that the applicant regards the prior art as the filing date of the first filed application.
In order to realize a zero-carbon heating system, photovoltaic photo-thermal integration becomes a new development trend. However, the unstable solar energy is easy to cause the problem of insufficient heat supply guarantee capability, and if the direct combustion of hydrogen guarantees heat supply, the high-quality energy of the hydrogen cannot be fully utilized. At the same time, the hydrogen gas needs to be supplied externally, increasing the transportation cost and energy consumption.
Disclosure of Invention
The embodiment of the utility model aims to provide a thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cells and hydrogen production and storage, and the system and the method organically combine photovoltaic photo-thermal, fuel cells and hydrogen production and storage, realize cascade utilization of solar energy, simultaneously utilize cogeneration of the fuel cells as a guaranteed heat source, provide stable heat output and produce zero-carbon power and hydrogen.
The utility model aims at realizing the following technical scheme:
a thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage, comprising:
the photovoltaic photo-thermal assembly comprises a first electric energy output end and a first heat energy output end, the first heat energy output end is communicated with a heat exchange energy storage water tank through a heat exchange medium circulation pipeline, the heat exchange energy storage water tank comprises a heat exchange medium circulation assembly and a water storage part, the water storage part is communicated with a heat utilization terminal through a cold and hot water circulation pipeline, and a tap water inlet is formed in the water storage part;
a fuel cell comprising a hydrogen inlet and a second electrical energy output; the hydrogen inlet is communicated with the hydrogen storage device;
the hydrogen production device is connected with the first electric energy output end, hydrogen production is carried out through electric energy of the first electric energy output end, and the hydrogen production device is communicated with the hydrogen storage device;
the fuel cell comprises a second heat energy output end which is communicated with the heat utilization terminal; the heat exchange energy storage water tank is an immersion type heat exchange energy storage water tank; the hydrogen production device is an electrolytic water hydrogen production device; the first electric energy output end and the second electric energy output end are respectively connected with the power distribution cabinet.
Further, the fuel cell is provided with a water inlet, the cold and hot water circulation pipeline comprises a hot water supply pipeline and a cold water return pipeline, and the water inlet of the fuel cell is communicated with the hot water supply pipeline.
Further, the power distribution cabinet is connected with the electric energy user side and the power grid.
The high-efficiency zero-carbon thermoelectric gas supply method for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage is completed by adopting the system and comprises the following steps of:
the photovoltaic photo-thermal assembly generates power to provide power for the hydrogen production device through the first power output end, the hydrogen production device stores the prepared hydrogen in the hydrogen storage device, and the hydrogen storage device provides hydrogen for the fuel cell;
the first heat energy output end of the photovoltaic photo-thermal assembly exchanges heat with water in the heat exchange energy storage water tank through a heat exchange medium circulation pipeline, and the water storage part in the heat exchange energy storage water tank provides hot water for the heat utilization terminal.
In some embodiments of the utility model, the first and second power outputs are each connected to a power distribution cabinet that supplies power to a power consumer or incorporates into the power grid.
In some embodiments of the utility model, the second thermal energy output provides auxiliary thermal energy to the heat exchange and storage tank.
The embodiment of the utility model has the following beneficial effects:
the photovoltaic photo-thermal assembly is utilized to realize efficient cascade utilization of solar energy, and cogeneration is realized; meanwhile, the heat and power co-production of the hydrogen fuel cell is used as a guarantee heat supply, so that the high-efficiency cascade utilization of hydrogen is realized; and hydrogen is prepared by utilizing green electric power generated by photovoltaic photo-heat, so that self-production and self-sales of the hydrogen are realized.
According to the coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage thermoelectric supply system, a plurality of modules are combined, heat generated by a photovoltaic photo-thermal assembly is utilized for supplying heat, generated electric power is used for producing hydrogen, the hydrogen is guaranteed to supply heat stably through a fuel cell, additional electric power and hydrogen are generated, and thermoelectric supply is realized efficiently in a zero-carbon mode. The hydrogen storage module is used for converting electric energy generated by photovoltaic into chemical energy which can be stored for a long time, and the chemical energy is efficiently converted into electric energy through the fuel cell when electricity is needed, so that the system has energy storage capacity. Meanwhile, the system can operate in an island, so that the system has higher supply guarantee capability. In conclusion, the system realizes the zero carbon emission of the whole process, realizes the efficient utilization of solar energy and hydrogen energy, and has better guarantee capability.
Drawings
FIG. 1 is a schematic diagram of a thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cells to produce hydrogen and store hydrogen in accordance with the present utility model.
Detailed Description
The present application is described below in connection with some embodiments of the utility model.
In order to more clearly describe embodiments of the present utility model or technical solutions in the prior art, in the following description, different "an embodiment" or "an embodiment" does not necessarily refer to the same embodiment. Various embodiments may be substituted or combined, and other implementations may be obtained from these embodiments by those of ordinary skill in the art without undue burden.
Referring to fig. 1, a thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage, comprising:
the photovoltaic photo-thermal assembly 1 comprises a first electric energy output end 13 and a first heat energy output end, wherein the first heat energy output end is communicated with a heat exchange energy storage water tank 5 through a heat exchange medium circulation pipeline (a cold water inlet pipe 11 and a hot water outlet pipe 12), the heat exchange energy storage water tank comprises a heat exchange medium circulation assembly and a water storage part, the water storage part is communicated with a heat utilization terminal 6 (can comprise a heat supply terminal 7 communicated between the heat utilization terminal 6 and the heat exchange energy storage water tank 5) through a cold and hot water circulation pipeline (a hot water supply pipeline 51 and a cold water return pipe 52), and a tap water inlet 53 is arranged on the water storage part;
a fuel cell 2, said fuel cell 4 comprising a hydrogen inlet and a second electrical energy output 43; the hydrogen inlet is communicated with the hydrogen storage device (communicated with the hydrogen storage device 3 through a hydrogen supply pipeline 31);
and the hydrogen production device 2 is connected with the first electric energy output end 13, hydrogen production is carried out through electric energy of the first electric energy output end 13, and the hydrogen production device 2 is communicated with the hydrogen storage device 3.
The fuel cell comprises a second heat energy output end 43, and the second heat energy output end 43 is communicated with the heat utilization terminal; the heat exchange and energy storage water tank 5 is an immersion type heat exchange and energy storage water tank; the hydrogen production device 2 is an electrolytic water hydrogen production device; the first power output 13 and the second power output 43 are respectively connected with the power distribution cabinet 8.
In some embodiments of the present utility model, the fuel cell is provided with a water inlet, the hot and cold water circulation pipeline includes a hot water supply pipeline 51 and a cold water return pipeline 52, and the water inlet 41 (water outlet 42) of the fuel cell is communicated with the hot water supply pipeline 51.
The heat exchange medium flows into a coil pipe of an immersion type heat exchange energy storage water tank after being heated in the photovoltaic photo-thermal assembly 1 and exchanges heat with water in the water tank, on one hand, the water heated to the required temperature is connected to domestic hot water or heating, and on the other hand, the cooled medium can reenter the photovoltaic photo-thermal assembly; in the electric system, the photovoltaic photo-thermal assembly and the fuel cell emit direct current and are connected to the power distribution cabinet; in the gas system, when the hydrogen storage is insufficient, the electric power generated by the photovoltaic photo-thermal assembly is connected to a hydrogen production device, and the hydrogen produced by the hydrogen production device is stored in a hydrogen bottle.
In some embodiments of the present utility model, the power distribution cabinet 8 is connected to a power consumer and a power grid.
The high-efficiency zero-carbon thermoelectric gas supply method for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage is completed by adopting the system and comprises the following steps of:
the photovoltaic photo-thermal assembly 1 generates electricity to provide electric energy for the hydrogen production device 2 through the first electric energy output end 13, the hydrogen production device 2 stores the prepared hydrogen in the hydrogen storage device 3, and the hydrogen storage device provides hydrogen for the fuel cell 4;
the first heat energy output end of the photovoltaic photo-thermal assembly 1 exchanges heat with water in the heat exchange energy storage water tank 5 through a heat exchange medium circulation pipeline, and a water storage part in the heat exchange energy storage water tank 5 provides hot water for the heat utilization terminal 6.
In some embodiments of the utility model, the first power output 13 and the second power output 43 are connected to a power distribution cabinet 8, respectively, the power distribution cabinet 8 supplying power to a power consumer or being incorporated into the power grid.
In some embodiments of the utility model, the second thermal energy output provides auxiliary thermal energy to the heat exchange and storage tank. When the heat generated by the photovoltaic photo-thermal assembly is insufficient to meet the heat supply requirement, the waste heat generated by the fuel cell can raise the temperature of the low-temperature hot water; when the hydrogen stored in the hydrogen bottle is insufficient, the photovoltaic photo-thermal assembly distributes the electricity generated by the photovoltaic photo-thermal assembly to the hydrogen production device, so that the hydrogen storage capacity is ensured to be sufficient; if domestic hot water is consumed, tap water is supplemented in the water tank, and after the domestic hot water is heated, the domestic water is continuously supplied.
It should be noted that the above embodiments can be freely combined as needed. The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (3)
1. A thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage, comprising:
the photovoltaic photo-thermal assembly comprises a first electric energy output end and a first heat energy output end, the first heat energy output end is communicated with a heat exchange energy storage water tank through a heat exchange medium circulation pipeline, the heat exchange energy storage water tank comprises a heat exchange medium circulation assembly and a water storage part, the water storage part is communicated with a heat utilization terminal through a cold and hot water circulation pipeline, and a tap water inlet is formed in the water storage part;
a fuel cell comprising a hydrogen inlet and a second electrical energy output; the hydrogen inlet is communicated with the hydrogen storage device;
the hydrogen production device is connected with the first electric energy output end, hydrogen production is carried out through electric energy of the first electric energy output end, and the hydrogen production device is communicated with the hydrogen storage device;
the fuel cell comprises a second heat energy output end which is communicated with the heat utilization terminal; the heat exchange energy storage water tank is an immersion type heat exchange energy storage water tank; the hydrogen production device is an electrolytic water hydrogen production device; the first electric energy output end and the second electric energy output end are respectively connected with the power distribution cabinet.
2. The photovoltaic photo-thermal-fuel cell-hydrogen production and storage coupled thermoelectric supply system according to claim 1, wherein the fuel cell is provided with a water inlet, the cold and hot water circulation pipeline comprises a hot water supply pipeline and a cold water return pipeline, and the water inlet of the fuel cell is communicated with the hot water supply pipeline.
3. The photovoltaic photo-thermal-fuel cell-hydrogen production and storage coupled thermoelectric supply system according to claim 1, wherein the power distribution cabinet is connected with the electric energy user side and the power grid.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708881.5U CN218910543U (en) | 2022-10-14 | 2022-10-14 | Thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708881.5U CN218910543U (en) | 2022-10-14 | 2022-10-14 | Thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage |
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| CN218910543U true CN218910543U (en) | 2023-04-25 |
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| CN202222708881.5U Active CN218910543U (en) | 2022-10-14 | 2022-10-14 | Thermoelectric supply system for coupling photovoltaic photo-thermal-fuel cell-hydrogen production and storage |
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