CN219283682U - Wind-solar hydrogen production waste heat utilization system and wind-solar power generation device - Google Patents
Wind-solar hydrogen production waste heat utilization system and wind-solar power generation device Download PDFInfo
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- CN219283682U CN219283682U CN202320309562.9U CN202320309562U CN219283682U CN 219283682 U CN219283682 U CN 219283682U CN 202320309562 U CN202320309562 U CN 202320309562U CN 219283682 U CN219283682 U CN 219283682U
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Abstract
The utility model provides a wind-light hydrogen production waste heat utilization system and a wind-light power generation device, which belong to the technical field of wind-light hydrogen production and comprise the following components: the power supply system comprises a wind-light power generation structure; the hydrogen production equipment is electrically connected with the power supply system; the heat source system is electrically connected with the wind-solar power generation structure and is arranged in a heat exchange mode with hydrogen production equipment; the absorption refrigeration system is arranged in a heat exchange way with the heat source system; the end user may optionally exchange heat with a heat source system or an absorption refrigeration system. According to the wind-solar hydrogen production waste heat utilization system, the heat source system is used for absorbing waste heat generated by hydrogen production equipment, and the heat source system can also be used for utilizing the redundant electric quantity of the wind-solar power generation structure so as to directly supply heat to a terminal user in winter, and the absorption refrigeration system is used for absorbing heat and refrigerating the terminal user in summer, so that the waste heat generated by wind-solar hydrogen production and the electric quantity of the wind-solar power generation structure are fully utilized, and the utilization rate of the whole energy is improved.
Description
Technical Field
The utility model relates to the technical field of wind-solar hydrogen production, in particular to a wind-solar hydrogen production waste heat utilization system and a wind-solar power generation device.
Background
In the technical field of wind-solar hydrogen production, the existing wind-solar hydrogen production waste heat utilization scheme mainly uses waste heat generated by hydrogen production equipment to heat end users or provide domestic water. On the one hand, in winter, the demand of the end user for heat is higher, and the energy utilization rate of the wind-solar hydrogen production system in winter is higher; in summer, the end user has lower demand for heat, and the energy utilization rate of the wind-solar hydrogen production system in summer is insufficient. On the other hand, because the wind-light power generation has the characteristics of volatility and instability, the electric quantity which can be directly used for hydrogen production cannot be fully utilized for the total amount of wind-light power generation, so that the electric quantity of wind-light power generation is abandoned, and the energy waste is caused.
Disclosure of Invention
Therefore, the utility model aims to overcome the defects of low utilization rate of the residual heat generated by the wind-light hydrogen production and waste of wind-light power generation electric quantity in the prior art, thereby providing a wind-light hydrogen production residual heat utilization system and a wind-light power generation device.
In order to solve the problems, the utility model provides a wind-solar hydrogen production waste heat utilization system, which comprises: the power supply system comprises a wind-light power generation structure; the hydrogen production equipment is electrically connected with the power supply system; the heat source system is electrically connected with the wind-solar power generation structure and is arranged in a heat exchange mode with the hydrogen production equipment; an absorption refrigeration system which is arranged in a heat exchange way with the heat source system; an end user selectively exchanges heat with the heat source system or the absorption refrigeration system.
Optionally, the heat source system comprises a hydrogen production heat exchange structure and an electric heating structure, wherein the hydrogen production heat exchange structure is in heat exchange arrangement with the hydrogen production equipment, and the electric heating structure is electrically connected with the wind-solar power generation structure.
Optionally, the hydrogen production heat exchange structure comprises a heat exchanger and a circulation pipeline, wherein the heat exchanger is communicated with the circulation pipeline, the circulation pipeline is in heat exchange arrangement with the hydrogen production equipment, and the heat exchanger is in heat exchange arrangement with the absorption refrigeration system or an end user.
Optionally, the hydrogen production equipment comprises an electrolytic tank, and the circulating pipeline is in heat exchange arrangement with the electrolytic tank.
Optionally, the power supply system further comprises a power supply device, the wind-solar power generation structure is electrically connected with the power supply device, and the power supply device is electrically connected with the hydrogen production device.
Optionally, the wind-solar power generation structure is electrically connected with the power supply device through an alternating current cable, and the power supply device is electrically connected with the hydrogen production device through a direct current cable.
Optionally, the power supply system further includes a network electrical structure, and the network electrical structure is electrically connected with the power supply device.
Optionally, the absorption refrigeration system comprises an absorption refrigerator and a heat dissipation structure, wherein the absorption refrigerator is in heat exchange arrangement with the heat source system and the end user, and the heat dissipation structure is in heat exchange arrangement with the absorption refrigerator.
Optionally, the wind-solar power generation structure comprises a wind generating set and a photovoltaic power generation assembly.
The utility model also provides a wind-light power generation device which comprises the wind-light hydrogen production waste heat utilization system.
The utility model has the following advantages:
1. according to the wind-solar hydrogen production waste heat utilization system, the heat source system is used for absorbing waste heat generated by hydrogen production equipment, and the heat source system can also be used for utilizing the redundant electric quantity of the wind-solar power generation structure so as to directly supply heat to a terminal user in winter, and the absorption refrigeration system is used for absorbing heat and refrigerating the terminal user in summer, so that the waste heat generated by wind-solar hydrogen production and the electric quantity of the wind-solar power generation structure are fully utilized, and the utilization rate of the whole energy is improved.
2. According to the wind-solar hydrogen production waste heat utilization system provided by the utility model, the hydrogen production equipment is cooled by utilizing the hydrogen production heat exchange structure, so that the long-time normal operation of the hydrogen production equipment under the working condition of stable temperature is ensured; the electric quantity which is not directly utilized in the wind-solar power generation structure is electrically heated through the electric heating structure to obtain heat, and the heat can be directly supplied to a terminal user or an absorption refrigerating system, so that the full utilization of the redundant electric quantity of the wind-solar power generation structure is realized.
3. According to the wind-solar hydrogen production waste heat utilization system, circulating water circulates in the circulating pipeline, so that the circulating water is heated when the circulating water flows through the hydrogen production equipment, waste heat generated by the hydrogen production equipment is taken away, the purpose of keeping the normal working temperature of the hydrogen production equipment is achieved, heat collection is achieved by the heated circulating water through the heat exchanger, cooled circulating water is obtained and flows back to the hydrogen production equipment, and the heat collected by the heat exchanger can be supplied to an end user or an absorption refrigeration system.
4. The utility model provides a wind-solar hydrogen production waste heat utilization system, which utilizes power supply equipment to convert alternating current generated by a wind-solar power generation structure into direct current so as to provide hydrogen production equipment for electrolytic hydrogen production.
5. According to the wind-solar hydrogen production waste heat utilization system provided by the utility model, when the electricity quantity which can be directly utilized and is transmitted to the power supply equipment by the wind-solar power generation structure is insufficient, the electricity quantity is supplemented by the network electricity structure, so that the normal operation of the hydrogen production process is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic structural diagram of a wind-solar hydrogen production waste heat utilization system provided by an embodiment of the utility model.
Reference numerals illustrate:
10. a power supply system; 11. a wind-light power generation structure; 12. a power supply device; 13. a network electric structure; 20. hydrogen production equipment; 30. a heat source system; 31. a hydrogen production heat exchange structure; 32. an electrical heating structure; 40. an absorption refrigeration system; 41. an absorption refrigerator; 42. a heat dissipation structure; 50. an end user.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
One embodiment of the wind-solar hydrogen production waste heat utilization system shown in fig. 1 comprises: power supply system 10, hydrogen plant 20, heat source system 30, absorption refrigeration system 40, and end user 50, wherein power supply system 10 includes wind-solar power generation structure 11. The hydrogen production equipment 20 is electrically connected with the power supply system 10, the heat source system 30 is electrically connected with the wind-solar power generation structure 11, and the heat source system 30 is also in heat exchange arrangement with the hydrogen production equipment 20. The absorption refrigeration system 40 is placed in heat exchange relationship with the heat source system 30, and the end user 50 can optionally exchange heat with either the heat source system 30 or the absorption refrigeration system 40.
The term "heat exchange setting" in this embodiment means that heat exchange can be performed between the two, so that one of them is cooled, and the other one is collected.
It should be noted that, when the hydrogen production device 20 is started, an external power supply is required to supply power to the hydrogen production device 20, and hydrogen and oxygen generated by water are used for hydrogen production under the drive of electric energy, so that electric quantity is supplied to the hydrogen production device 20 through the power supply system 10 to perform the electrolytic hydrogen production process.
In winter, the end user 50 exchanges heat with the heat source system 30 to use the heat of the heat source system 30; in summer, the end user 50 exchanges heat with the absorption refrigeration system 40, i.e., the absorption refrigeration system 40 is used to provide a source of cooling for the end user 50.
It should be further noted that, the absorption refrigeration system 40 is a device that can provide a cold source for the end user 50, absorb the heat of the heat source system 30 in summer, provide a cold source for the end user 50, and stop working in winter. Further, during winter, the heat of the heat source system 30 is directly used as the heat source for the end user 50.
The heat source system 30 is utilized to absorb the waste heat generated by the hydrogen production equipment 20, and the heat source system 30 can also utilize the surplus electric quantity of the wind-solar power generation structure 11 so as to directly supply heat to the end user 50 in winter, and the absorption refrigeration system 40 absorbs the heat and refrigerates the end user 50 in summer, so that the waste heat generated by wind-solar hydrogen production and the electric quantity of the wind-solar power generation structure 11 are fully utilized, and the utilization rate of the whole energy is improved.
In this embodiment, as shown in FIG. 1, heat source system 30 includes a hydrogen-producing heat exchange structure 31 and an electrical heating structure 32. The hydrogen production heat exchange structure 31 is arranged in a heat exchange manner with the hydrogen production equipment 20, and the electric heating structure 32 is electrically connected with the wind-solar power generation structure 11.
The hydrogen production equipment 20 is cooled by utilizing the hydrogen production heat exchange structure 31, so that the long-time normal operation of the hydrogen production equipment 20 under the working condition of stable temperature is ensured; the electric quantity which is not directly utilized in the wind-solar power generation structure 11 is electrically heated by the electric heating structure 32 to obtain heat, and the heat can be directly provided for an end user 50 or an absorption refrigeration system 40, so that the full utilization of the redundant electric quantity of the wind-solar power generation structure 11 is realized.
The heat obtained by hydrogen-producing heat exchange structure 31 and electric heating structure 32 together provide a heat source supply for end user 50 or absorption refrigeration system 40.
In this embodiment, the hydrogen-producing heat exchanging structure 31 includes a heat exchanger and a circulation line, which are disposed in communication, the circulation line being disposed in heat exchange relationship with the hydrogen-producing device 20, and the heat exchanger being disposed in heat exchange relationship with the absorption refrigeration system 40 or the end user 50.
Circulating water circulates in the circulating pipeline, so that the circulating water is heated when flowing through the hydrogen production equipment 20, waste heat generated by the hydrogen production equipment 20 is taken away, the purpose of keeping the normal working temperature of the hydrogen production equipment 20 is achieved, the heated circulating water is subjected to heat collection through a heat exchanger, cooled circulating water is obtained to flow back to the hydrogen production equipment 20, and the heat collected by the heat exchanger can be supplied to an end user 50 or an absorption refrigeration system 40.
It should be noted that, after the heat of the heat exchanger is obtained by the end user 50 or the absorption refrigeration system 40, the cooled circulating water flows back to the circulating pipeline through the heat exchanger.
Specifically, in this embodiment, hydrogen plant 20 includes an electrolyzer with a circulation line in heat exchange arrangement with the electrolyzer.
In the present embodiment, the absorption refrigeration system 40 includes an absorption refrigerator 41 and a heat radiation structure 42, the absorption refrigerator 41 is disposed in heat exchange with the heat source system 30 and the end user 50, and the heat radiation structure 42 is disposed in heat exchange with the absorption refrigerator 41.
It should be noted that, the heat absorbed by the absorption refrigerator 41 from the heat source system 30 is transferred to the heat dissipation structure 42 in the form of hot water, the heat dissipation structure 42 cools the hot water, and cold water is returned to the absorption refrigerator 41 from the heat dissipation structure 42. Meanwhile, the heat generated by the end user 50 is absorbed by the absorption refrigerator 41 and is delivered to the heat dissipation structure 42 in the form of hot water, the heat dissipation structure 42 cools the hot water, cold water is returned to the absorption refrigerator 41 from the heat dissipation structure 42, and finally the cold water is returned to the end user 50, so that the purpose of providing a cold source for the end user 50 is achieved.
In a typical absorption refrigerator 41, lithium bromide is used as an absorbent, water is used as a coolant, or water is used as an absorbent, and ammonia gas is used as a coolant.
As shown in fig. 1, the power supply system 10 includes a power supply device 12, a wind-solar power generation structure 11 electrically connected to the power supply device 12, and the power supply device 12 electrically connected to a hydrogen production device 20. Specifically, the wind-solar power generation structure 11 is electrically connected to the power supply device 12 through an ac cable, and the power supply device 12 is electrically connected to the hydrogen production device 20 through a dc cable. Thus, the alternating current generated by the wind-solar power generation structure 11 is converted into direct current by the power supply device 12 to provide the hydrogen production device 20 for electrolytic hydrogen production.
As shown in fig. 1, the power supply system 10 further includes a network electrical structure 13, where the network electrical structure 13 is electrically connected to the power supply device 12. When the power quantity which can be directly utilized and is transmitted to the power supply equipment 12 by the wind-solar power generation structure 11 is insufficient, the power quantity is supplemented by the grid power structure 13, so that the normal operation of the hydrogen production process is ensured.
It should be noted that, the power supply device 12 is an electric energy conversion device that converts the directly available electric energy provided by the wind-solar power generation structure 11 and the grid power structure 13 into electric energy that meets the requirement of the hydrogen production device 20.
In the present embodiment, the wind-solar power generation structure 11 includes a wind generating set and a photovoltaic power generation module. The wind-solar power generation structure 11 converts wind energy and solar energy into electric energy through a wind generating set and a photovoltaic power generation assembly, and the electric quantity which can be directly utilized is transmitted to the power supply equipment 12 so as to be further supplied to the hydrogen production equipment 20 for producing hydrogen; the electric quantity which is not directly utilized is delivered to the electric heating structure 32 for electric heating to generate heat; when the available electricity quantity transmitted to the power supply device 12 by the wind-solar power generation structure 11 is insufficient, the electricity quantity is supplemented through the network electricity structure 13.
The embodiment also provides a specific implementation mode of the wind-solar power generation device, which comprises the wind-solar hydrogen production waste heat utilization system.
When the wind-light hydrogen production waste heat utilization system is used, the wind-light power generation structure 11 provides electricity for the power supply device 12, and the power supply device 12 converts the electricity and provides the converted electricity for the hydrogen production device 20 to carry out electrolytic hydrogen production; the hydrogen production heat exchange structure 31 takes away the waste heat generated by the hydrogen production equipment 20 in a circulating water mode, and the electric heating structure 32 generates heat by electric heating by utilizing the redundant electric quantity generated by the wind-solar power generation structure 11; in winter, the heat absorbed by the hydrogen-making heat exchange structure 31 and the heat generated by the electric heating structure 32 are directly provided for the terminal user 50 to realize heating; in summer, the heat absorbed by the hydrogen-making heat exchange structure 31 and the heat generated by the electric heating structure 32 are directly supplied to the absorption refrigeration system 40, and the absorption refrigeration system 40 provides a cold source for the end user 50 to realize cooling.
According to the above description, the present patent application has the following advantages:
1. waste heat generated in the hydrogen production process and the residual electricity which is not directly utilized by wind power and photovoltaic power generation are effectively collected and utilized, a heat source is directly provided for the terminal user 50 in winter, the purpose of temperature increase is achieved, a cold source is provided for the terminal user 50 through the absorption refrigerator 41 in summer, the purpose of temperature reduction is achieved, and therefore the overall energy utilization rate of wind-solar hydrogen production is improved;
2. when the power quantity which can be directly utilized and is transmitted to the power supply equipment 12 by the wind-solar power generation structure 11 is insufficient, the power quantity is supplemented by the grid power structure 13, so that the normal operation of the hydrogen production process is ensured.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (10)
1. A wind-solar hydrogen production waste heat utilization system, comprising:
a power supply system (10) comprising a wind-solar power generation structure (11);
the hydrogen production equipment (20) is electrically connected with the power supply system (10);
the heat source system (30) is electrically connected with the wind-solar power generation structure (11) and is in heat exchange arrangement with the hydrogen production equipment (20);
an absorption refrigeration system (40) arranged in heat exchange with the heat source system (30);
an end user (50) selectively exchanges heat with the heat source system (30) or the absorption refrigeration system (40).
2. The wind-solar hydrogen production waste heat utilization system according to claim 1, wherein the heat source system (30) comprises a hydrogen production heat exchange structure (31) and an electric heating structure (32), the hydrogen production heat exchange structure (31) is in heat exchange arrangement with the hydrogen production equipment (20), and the electric heating structure (32) is electrically connected with the wind-solar power generation structure (11).
3. A wind and solar hydrogen production waste heat utilization system according to claim 2, wherein the hydrogen production heat exchange structure (31) comprises a heat exchanger and a circulation pipeline, the heat exchanger and the circulation pipeline are arranged in a communicating manner, the circulation pipeline is arranged in a heat exchange manner with the hydrogen production equipment (20), and the heat exchanger is arranged in a heat exchange manner with the absorption refrigeration system (40) or an end user (50).
4. A wind and solar hydrogen production waste heat utilization system according to claim 3, wherein the hydrogen production plant (20) comprises an electrolyzer, and the circulation line is arranged in heat exchange with the electrolyzer.
5. A wind-solar hydrogen production waste heat utilization system according to any one of claims 1-4, wherein the power supply system (10) further comprises a power supply device (12), the wind-solar power generation structure (11) is electrically connected to the power supply device (12), and the power supply device (12) is electrically connected to the hydrogen production device (20).
6. The wind-solar hydrogen production waste heat utilization system according to claim 5, wherein the wind-solar power generation structure (11) is electrically connected with the power supply device (12) through an alternating current cable, and the power supply device (12) is electrically connected with the hydrogen production device (20) through a direct current cable.
7. A wind and solar hydrogen production waste heat utilization system according to claim 5, wherein the power supply system (10) further comprises a grid structure (13), the grid structure (13) being electrically connected to the power supply device (12).
8. A wind and solar hydrogen production waste heat utilization system according to any of claims 1-4, wherein the absorption refrigeration system (40) comprises an absorption refrigeration machine (41) and a heat dissipation structure (42), the absorption refrigeration machine (41) being arranged in heat exchange with the heat source system (30) and the end user (50), the heat dissipation structure (42) being arranged in heat exchange with the absorption refrigeration machine (41).
9. A wind-solar hydrogen production waste heat utilization system according to any of claims 1-4, characterized in that the wind-solar power generation structure (11) comprises a wind power generator set and a photovoltaic power generation assembly.
10. A wind-solar power generation device, characterized by comprising the wind-solar hydrogen production waste heat utilization system according to any one of claims 1-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309562.9U CN219283682U (en) | 2023-02-22 | 2023-02-22 | Wind-solar hydrogen production waste heat utilization system and wind-solar power generation device |
| JP2023001034U JP3242143U (en) | 2023-02-22 | 2023-03-31 | Waste heat utilization system and wind/solar power generation equipment from wind/solar hydrogen production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309562.9U CN219283682U (en) | 2023-02-22 | 2023-02-22 | Wind-solar hydrogen production waste heat utilization system and wind-solar power generation device |
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| Publication Number | Publication Date |
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| CN219283682U true CN219283682U (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320309562.9U Active CN219283682U (en) | 2023-02-22 | 2023-02-22 | Wind-solar hydrogen production waste heat utilization system and wind-solar power generation device |
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| Country | Link |
|---|---|
| JP (1) | JP3242143U (en) |
| CN (1) | CN219283682U (en) |
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- 2023-02-22 CN CN202320309562.9U patent/CN219283682U/en active Active
- 2023-03-31 JP JP2023001034U patent/JP3242143U/en active Active
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