CN217590275U - Energy supply system - Google Patents
Energy supply system Download PDFInfo
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- CN217590275U CN217590275U CN202221613436.4U CN202221613436U CN217590275U CN 217590275 U CN217590275 U CN 217590275U CN 202221613436 U CN202221613436 U CN 202221613436U CN 217590275 U CN217590275 U CN 217590275U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Abstract
The utility model provides an energy supply system, which relates to the technical field of new energy, and comprises a hydrogen supply unit, a city hydrogen supply network connected with the hydrogen supply unit and a fuel cell energy storage unit connected with the city hydrogen supply network; the fuel cell energy storage unit is connected with at least two branches which are arranged in parallel, wherein one branch supplies electric energy for urban residents through an urban power grid framework, and the other branch supplies heat for the urban residents through an urban central heating network. The technical problems of limited fossil energy storage capacity and insufficient electric energy supply in the electricity utilization peak period in the prior art are solved, and the technical effect of a novel environment-friendly and pollution-free energy framework in the whole industrial chain is realized.
Description
Technical Field
The utility model belongs to the technical field of the technique of the new forms of energy and specifically relates to an energy supply system is related to.
Background
At present, a plurality of domestic cities are influenced by electricity limitation caused by insufficient electric energy, a factory is shut down, and the normal life rhythm of people is disordered. The use of traditional fossil energy can destroy the environment, increase the global greenhouse gas emission, and cause global resource exhaustion and environmental destruction, so a new energy is urgently needed to replace the traditional fossil energy.
The northwest part of China has sufficient solar energy, but the cost of erecting a power transmission system for a long distance is high, the electric energy is not easy to store, and the development and use degree of the solar energy is still insufficient at present. Before the difficult problems of long-distance electric energy storage and transmission are not solved, the crisis that the electric energy supply is insufficient in the peak period of power utilization still cannot be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy supply system to alleviate the fossil energy storage capacity that exists among the prior art and limited and with the not enough technical problem of electric energy supply during the electric peak.
In a first aspect, the present invention provides an energy supply system, including: the system comprises a hydrogen supply unit, an urban hydrogen supply network connected with the hydrogen supply unit and a fuel cell energy storage unit connected with the urban hydrogen supply network;
the fuel cell energy storage unit is connected with at least two branches which are arranged in parallel, wherein one branch supplies electric energy to urban residents through an urban power grid framework, and the other branch supplies heat to the urban residents through an urban central heating network.
Furthermore, the hydrogen supply unit comprises a solar hydrogen production unit, and the solar hydrogen production unit is arranged in an area where the hydrogen supply pipeline is close to each other.
Further, the hydrogen supply unit also comprises a solar-methanol hydrogen production unit which is connected with the solar hydrogen production unit in parallel.
Further, the solar-methanol hydrogen production unit comprises a liquid methanol production unit and a methanol reforming hydrogen production unit which are connected with each other;
the liquid methanol production unit is used for producing liquid methanol, and the methanol reforming hydrogen production unit is used for reforming the produced liquid methanol into hydrogen and supplying the hydrogen to the urban hydrogen supply network;
the liquid methanol production unit is arranged in an area with a long distance from the hydrogen supply pipeline, and the methanol reforming hydrogen production unit is arranged in an area with a short distance from the hydrogen supply pipeline.
Further, the liquid methanol production unit comprises a solar hydrogen production device for producing hydrogen, a solar carbon dioxide enrichment device for producing carbon dioxide and a catalytic reaction device for generating liquid methanol from hydrogen and carbon dioxide under the high-temperature catalysis action.
Further, the urban power grid architecture is connected with the methanol reforming hydrogen production unit and is used for supplying part of electric energy to the methanol reforming hydrogen production unit.
Further, the liquid methanol production unit further comprises an intermediate storage unit for storing the produced liquid methanol.
Further, the intermediate storage unit can be conveyed to the methanol reforming hydrogen production unit through a pipeline or a movable transportation vehicle;
the intermediate storage unit can also directly provide methanol for vehicle-mounted methanol reforming hydrogen production equipment and methanol fuel cell vehicles.
Further, the urban power grid architecture is connected with an electric charging device and used for supplying part of electric energy to the electric charging device.
Further, the urban power grid architecture can be connected with a solar power generation system, a tidal power generation system or a wind power generation system for collecting corresponding electric energy.
Has the beneficial effects that:
the utility model provides an energy supply system, can supply with hydrogen for city hydrogen supply network through hydrogen supply unit, thereby supply with hydrogen for fuel cell energy storage unit through city hydrogen supply network, on the one hand, fuel cell energy storage unit can supply with the electric energy for the urban resident through city electric wire netting framework, on the other hand, the produced heat energy of fuel cell energy storage unit can be repacked city central heating network and then for the heat supply of urban resident, so set up, the novel energy framework of friendly pollution-free of whole industry chain environment has been realized, it is nervous to deal with the energy, one of the effective measure of power supply crisis.
In addition, hydrogen energy and electric energy are used as carriers, circulation of green energy is realized, urban central heating and urban power supply in peak periods can be completed, and the problem of insufficient electric energy supply in power utilization peak periods is effectively solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an energy supply system according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, the present embodiment provides an energy supply system, which includes a hydrogen supply unit, a city hydrogen supply network connected to the hydrogen supply unit, and a fuel cell energy storage unit connected to the city hydrogen supply network; the fuel cell energy storage unit is connected with at least two branches which are arranged in parallel, wherein one branch supplies electric energy for urban residents through an urban power grid framework, and the other branch supplies heat for the urban residents through an urban central heating network.
The energy supply system that this embodiment provided, can supply with hydrogen for city hydrogen supply network through hydrogen supply unit, thereby supply with hydrogen for fuel cell energy storage unit through city hydrogen supply network, on the one hand, fuel cell energy storage unit can supply with the electric energy for city resident through city electric wire netting framework, on the other hand, the produced heat energy of fuel cell energy storage unit can be repacked city central heating network and then for city resident's heat supply, so set up, the environment-friendly pollution-free novel energy framework of whole industry chain has been realized, it is nervous to deal with the energy, one of the effective measure of power supply crisis.
In addition, the energy supply system provided by the embodiment uses hydrogen energy and electric energy as carriers, realizes the circulation of green energy, can complete urban central heating and urban power supply in peak periods, and effectively relieves the problem of insufficient electric energy supply in power consumption peak periods.
In addition, the electric energy during the urban non-electricity-consumption peak period can be converted into hydrogen energy for storage, if necessary, a power generation network with numerous resident families as nodes can quickly respond and feed the electric energy back to the urban power grid, the power supply requirement is met, and the problems that the electric energy generated by solar energy and wind energy fluctuates, the electricity generation peak period and the electricity consumption peak period are unequal, and the electric energy supply during the urban night electricity consumption peak period is insufficient can be solved under the condition of full-cycle environmental friendliness and no pollution.
Specifically, the aforementioned "fuel cell energy storage unit" may include a personal hydrogen fuel cell unit or a hydrogen fuel cell vehicle.
In this embodiment, the hydrogen supply unit includes a solar hydrogen production unit, and the solar hydrogen production unit is disposed in a region where the hydrogen supply pipeline is close to each other.
Specifically, the hydrogen which is relatively easy to transport and is relatively close to the hydrogen supply pipeline can be directly produced by solar energy, the hydrogen of the hydrogen production pipeline can meet the requirement of industrial hydrogen after being processed, and the hydrogen can be directly supplied to a personal hydrogen fuel cell unit or a hydrogen fuel cell vehicle for use through a city hydrogen supply network.
Further, the hydrogen supply unit also comprises a solar energy-methanol hydrogen production unit which is connected with the solar energy hydrogen production unit in parallel.
Specifically, the solar energy-methanol hydrogen production unit comprises a liquid methanol production unit and a methanol reforming hydrogen production unit which are connected with each other; the liquid methanol production unit is used for producing liquid methanol, and the methanol reforming hydrogen production unit is used for reforming the produced liquid methanol into hydrogen for supplying the hydrogen to the urban hydrogen supply network.
It should be noted that, because liquid methanol is unstable in performance, easy to decompose and highly toxic, in order to meet the requirements for safety and reliability, a methanol reforming hydrogen production unit is required to reform methanol into hydrogen and supply the hydrogen to an urban hydrogen supply network. In addition, the liquid methanol production unit and the methanol reforming hydrogen production unit are transported by pipelines or movable transportation vehicles.
Wherein, the methanol reforming hydrogen production unit can be a methanol reforming hydrogen production plant.
Furthermore, the liquid methanol production unit comprises a solar hydrogen production device for preparing hydrogen, a solar carbon dioxide enrichment device for preparing carbon dioxide and a catalytic reaction device for generating liquid methanol from hydrogen and carbon dioxide under the high-temperature catalysis action.
Specifically, in remote areas where hydrogen supply pipelines are not easily erected, the solar hydrogen production device and the carbon dioxide enrichment device with the solar energy function are used for producing pure hydrogen and carbon dioxide, a high-temperature environment is provided through solar energy, and the high-temperature environment can be generated according to equation CO under the action of a catalyst 2 +3H 2 ——→CH 3 OH+H 2 O synthesis facilitates the collection and transportation of liquid methanol, wherein the reaction is provided by solar energy in a high temperature environment.
In the embodiment, the advantages of the environment-friendly product in the preparation and use processes of the methanol and the efficient energy conversion characteristic of the hydrogen fuel cell system are fully combined, and the electric energy and the natural energy which are not easy to store are converted into the clean energy which is easy to store and transport. Meanwhile, the energy supplied by solar hydrogen production, solar methanol production and green power generation represented by solar energy does not consume fossil energy.
With continued reference to fig. 1, the urban power grid architecture is connected to the methanol reforming hydrogen production unit for supplying part of the electrical energy to the methanol reforming hydrogen production unit.
Specifically, the urban power grid architecture is that power supply of the methanol reforming hydrogen production unit is urban surplus electric energy in the non-electricity-consumption peak period.
In this embodiment, the liquid methanol production unit further includes an intermediate storage unit for storing the produced liquid methanol.
Wherein, the intermediate storage unit can be transported to the methanol reforming hydrogen production unit through a pipeline or a movable transportation tool; the intermediate storage unit can also directly provide methanol for vehicle-mounted methanol reforming hydrogen production equipment and methanol fuel cell vehicles.
Among them, the fuel-modified methanol automobile is included in a methanol fuel cell vehicle.
Briefly, methanol produced by a solar methanol production unit in a remote area can be directly supplied to a methanol automobile modified based on a traditional fuel automobile after being processed, can be directly supplied to a methanol fuel cell automobile, and can also be used after being filled into a hydrogen fuel cell automobile and then being reformed into hydrogen through methanol.
On the basis of the above embodiments, the urban power grid architecture is connected to the electric charging device, and is used for supplying part of electric energy to the electric charging device, that is, the electric energy of the urban power grid architecture can be directly supplied to the electric charging device, for example, the electric vehicle is charged and consumed for use.
The urban power grid architecture can also be connected with a solar power generation system, a tidal power generation system or a wind power generation system for collecting corresponding electric energy.
By combining the current use situation of natural energy, an urban hydrogen supply network, an urban power grid architecture, an urban central heating network and a personal hydrogen fuel cell unit (including a hydrogen fuel cell automobile and other related hydrogen fuel system facilities) are organically combined, clean energy such as external solar energy, wind energy, tidal energy and the like is used as driving force, the circulation of energy is realized, the power utilization crisis is solved, and finally, a novel energy architecture which is environment-friendly and pollution-free and has a whole industrial chain is realized.
In summary, the energy supply system of the embodiment realizes a novel energy framework driven by solar energy, and in the framework, urban heating and power consumption requirements are met; the energy consumption requirements of energy consumption equipment represented by the traditional methanol automobile, the methanol fuel cell automobile, the hydrogen fuel cell automobile and the electric automobile are also realized. Meanwhile, carbon dioxide is enriched from the environment by solar energy, and finally returns to the environment, so that the carbon dioxide is in line with the carbon neutralization concept.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. An energy supply system, comprising: the system comprises a hydrogen supply unit, an urban hydrogen supply network connected with the hydrogen supply unit and a fuel cell energy storage unit connected with the urban hydrogen supply network;
the fuel cell energy storage unit is connected with at least two branches which are arranged in parallel, wherein one branch supplies electric energy to urban residents through an urban power grid framework, and the other branch supplies heat to the urban residents through an urban central heating network.
2. The energy supply system according to claim 1, wherein the hydrogen supply unit comprises a solar hydrogen production unit provided in a region where the hydrogen supply line is located at a short distance.
3. The energy supply system of claim 2, wherein the hydrogen supply unit further comprises a solar-methanol hydrogen production unit arranged in parallel with the solar hydrogen production unit.
4. The energy supply system of claim 3, wherein the solar-methanol hydrogen production unit comprises a liquid methanol production unit and a methanol reforming hydrogen production unit connected together;
the liquid methanol production unit is used for producing liquid methanol, and the methanol reforming hydrogen production unit is used for reforming the produced liquid methanol into hydrogen and supplying the hydrogen to the urban hydrogen supply network;
the liquid methanol production unit is arranged in the region with a longer distance from the hydrogen supply pipeline, and the methanol reforming hydrogen production unit is arranged in the region with a shorter distance from the hydrogen supply pipeline.
5. The energy supply system of claim 4, wherein the liquid methanol production unit comprises a solar hydrogen production plant, a solar carbon dioxide enrichment plant, and a catalytic reaction plant.
6. The energy supply system according to claim 4, wherein the municipal power grid architecture is connected to the methanol reforming hydrogen-producing unit for supplying a portion of the electrical energy to the methanol reforming hydrogen-producing unit.
7. The energy supply system according to claim 4, wherein the liquid methanol production unit further comprises an intermediate storage unit that stores produced liquid methanol.
8. The energy supply system according to claim 7, wherein the intermediate storage unit is transported to the methanol reforming hydrogen production unit by a pipeline or a mobile transportation means; alternatively, the first and second electrodes may be,
the intermediate storage unit directly provides methanol for vehicle-mounted methanol reforming hydrogen production equipment and methanol fuel cell vehicles.
9. The energy supply system according to any one of claims 1-8, wherein the city grid infrastructure is connected to an electric charging device for supplying a portion of the electric energy to the electric charging device.
10. The energy supply system according to any one of claims 1 to 8, wherein the urban power grid infrastructure is connectable to a solar power system, a tidal power system or a wind power system for harvesting the respective electrical energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613436.4U CN217590275U (en) | 2022-06-24 | 2022-06-24 | Energy supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221613436.4U CN217590275U (en) | 2022-06-24 | 2022-06-24 | Energy supply system |
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| CN217590275U true CN217590275U (en) | 2022-10-14 |
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| CN202221613436.4U Active CN217590275U (en) | 2022-06-24 | 2022-06-24 | Energy supply system |
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