CN112609195B - A hydrogen energy city structure based on high temperature electrolysis hydrogen production - Google Patents
A hydrogen energy city structure based on high temperature electrolysis hydrogen production Download PDFInfo
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- C25B1/00—Electrolytic production of inorganic compounds or non-metals
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- E—FIXED CONSTRUCTIONS
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- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
本发明涉及一种基于高温电解制氢的氢能城市结构，其包括采集第一可再生能源用于发电的可再生能源发电设备；采集第二可再生能源用于产生高温熔盐的可再生能源制热设备；用于储存高温熔盐的熔盐储热设备连接在可再生能源制热设备的下游；用于产生氢气的高温电解制氢设备分别连接在可再生能源发电设备和熔盐储热设备的下游进行制氢，其中，可再生能源发电设备输送的电能和熔盐储热设备输送的热能实时匹配供给给高温电解制氢设备；用于储存氢气的储氢设备连接在高温电解制氢设备的下游；用于输送氢气的输氢设备连接在储氢设备的下游。根据本发明的基于高温电解制氢的氢能城市结构，通过高温电解制氢设备灵活地运用自然界的各种可再生能源。
The present invention relates to a hydrogen energy city structure based on high-temperature electrolysis hydrogen production, which includes a renewable energy power generation device that collects a first renewable energy for power generation; a renewable energy heating device that collects a second renewable energy for generating high-temperature molten salt; a molten salt heat storage device for storing high-temperature molten salt connected downstream of the renewable energy heating device; a high-temperature electrolysis hydrogen production device for generating hydrogen is respectively connected downstream of the renewable energy power generation device and the molten salt heat storage device to produce hydrogen, wherein the electric energy delivered by the renewable energy power generation device and the heat energy delivered by the molten salt heat storage device are matched and supplied to the high-temperature electrolysis hydrogen production device in real time; a hydrogen storage device for storing hydrogen is connected downstream of the high-temperature electrolysis hydrogen production device; and a hydrogen transport device for transporting hydrogen is connected downstream of the hydrogen storage device. According to the hydrogen energy city structure based on high-temperature electrolysis hydrogen production of the present invention, various renewable energy sources in nature are flexibly utilized through the high-temperature electrolysis hydrogen production device.
Description
Technical Field
The invention relates to renewable energy sources, in particular to a hydrogen energy urban structure based on high-temperature electrolysis hydrogen production.
Background
The development of human society is accompanied by a large increase in energy consumption. Transportation, industrial production, electricity consumption, heating and refrigeration consume a large amount of fossil energy. The use of fossil fuels presents significant environmental problems to us, severely affecting human life. The global climate is warmed due to the large amount of CO 2 discharged, and sulfur oxides or nitrogen oxides generated after combustion are reduced to the ground through complex chemical reactions in the atmosphere to become acid rain. PM2.5 inhalable particles also create a great potential hazard to the human living environment. Therefore, there is an urgent need to change the existing energy utilization pattern based on fossil energy, and increase clean energy friendly to the environment. A novel clean energy system is constructed.
Disclosure of Invention
In order to solve the problem of energy waste in the prior art, the invention provides a hydrogen energy urban structure based on high-temperature electrolysis hydrogen production.
The hydrogen energy urban structure based on high-temperature electrolytic hydrogen production comprises renewable energy power generation equipment for collecting first renewable energy sources for power generation, renewable energy heating equipment for collecting second renewable energy sources for generating high-temperature molten salt, molten salt heat storage equipment for storing the generated high-temperature molten salt, high-temperature electrolytic hydrogen production equipment for generating hydrogen, and hydrogen transportation equipment for transporting the stored hydrogen, wherein the high-temperature electrolytic hydrogen production equipment is connected with the downstream of the renewable energy power generation equipment and the molten salt heat storage equipment respectively so as to produce hydrogen by utilizing electric energy transported by the renewable energy power generation equipment and heat energy transported by the molten salt heat storage equipment, the electric energy transported by the renewable energy power generation equipment and the heat energy transported by the molten salt heat storage equipment are matched and supplied to the high-temperature electrolytic hydrogen production equipment in real time, the hydrogen storage equipment for storing the generated hydrogen is connected with the downstream of the high-temperature electrolytic hydrogen production equipment, and the hydrogen transportation equipment for transporting the stored hydrogen is connected with the downstream of the hydrogen storage equipment.
Preferably, the hydrogen energy city structure further comprises an ammonia absorption refrigeration device connected downstream of the high temperature electrolysis hydrogen production device to transfer 300-500 ℃ heat energy generated in the hydrogen production process to the ammonia absorption refrigeration device for refrigeration.
Preferably, the hydrogen energy city structure further includes a solid oxide fuel cell power plant connected downstream of the hydrogen delivery plant to deliver hydrogen in the hydrogen delivery plant to the solid oxide fuel cell power plant for generating electricity.
Preferably, the hydrogen energy city structure further comprises a hydrogen addition station, wherein the hydrogen addition station is connected downstream of the hydrogen delivery device to deliver hydrogen in the hydrogen delivery device to the hydrogen addition station for supply of gas, and the hydrogen addition station is connected downstream of the solid oxide fuel cell power supply device to enable the solid oxide fuel cell power supply device to supply power to the hydrogen addition station.
Preferably, the hydrogen energy city structure further includes a hydrogen consumption large-scale chemical plant, wherein the hydrogen consumption large-scale chemical plant is connected downstream of the hydrogen delivery device to deliver hydrogen gas in the hydrogen delivery device into the hydrogen consumption large-scale chemical plant for use as a chemical plant raw material, and the hydrogen consumption large-scale chemical plant is connected downstream of the solid oxide fuel cell power supply device to cause the solid oxide fuel cell power supply device to supply power to the hydrogen consumption large-scale chemical plant.
Preferably, the hydrogen energy city structure further comprises a city house and a commercial community, wherein the city house and the commercial community are connected downstream of the hydrogen delivery device to deliver hydrogen in the hydrogen delivery device to the city house and the commercial community for heating, and the city house and the commercial community are connected downstream of the solid oxide fuel cell power supply device to enable the solid oxide fuel cell power supply device to supply power to the city house and the commercial community.
Preferably, the first renewable energy source is wind energy, solar photovoltaic, hydroenergy and/or tidal energy.
Preferably, the second renewable energy source is solar photo-thermal, geothermal and/or nuclear.
According to the hydrogen energy urban structure based on high-temperature electrolytic hydrogen production, various renewable energy sources in nature can be flexibly utilized through high-temperature electrolytic hydrogen production equipment, and heat energy (solar photo-thermal energy, geothermal energy and nuclear energy) can be directly absorbed and converted into hydrogen energy without being completely converted into electric energy. The running temperature of the high-temperature electrolytic hydrogen production equipment is above 700 ℃, the generated waste heat is circularly absorbed in the equipment, the quality of the generated waste heat is high, the high-temperature electrolytic hydrogen production equipment can be used for driving a large-scale absorption refrigeration freezer, and the guarantee is provided for low-temperature logistics supply of urban fresh foods. The hydrogen is used for generating electricity through solid oxide fuel cell power supply equipment, meets the fuel requirements of transportation through a hydrogenation station, is used for supplying heat through urban houses and commercial communities, and meets the raw material requirements of chemical plants through hydrogen consumption large-scale chemical plants. In addition, the solid oxide fuel cell power supply equipment adopts a solid oxide fuel cell, the technology is reverse operation of the high-temperature electrolysis technology principle, and is universal for hydrogen production and power generation in principle, so that the service life of the electric pile is prolonged, and the economy is better. The urban design meets the requirements of people on eating and living in one step. Furthermore, the urban has no phenomena of wind abandoning and light abandoning, the energy utilization rate is high, a large number of employment is provided for the urban by chemical plants, and meanwhile, the urban operation and development of zero carbon emission can be realized.
Drawings
Fig. 1 is an overall schematic diagram of a hydrogen energy urban structure based on high temperature electrolysis for hydrogen production according to a preferred embodiment of the invention.
Detailed Description
Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, a hydrogen energy city structure based on high-temperature electrolysis hydrogen production according to a preferred embodiment of the present invention includes a renewable energy power generation device 1, a renewable energy heating device 2, a molten salt heat storage device 3, a high-temperature electrolysis hydrogen production device 4, an ammonia absorption refrigeration device 5, a hydrogen storage device 6, a hydrogen transportation device 7, a solid oxide fuel cell power supply device 8, a hydrogenation station 9, a hydrogen consumption large-scale factory 10 and a city residential and commercial community 11, wherein the renewable energy power generation device 1 collects renewable energy (such as wind energy, water energy, etc.), the renewable energy heating device 2 collects renewable energy (such as solar energy, nuclear energy, etc.) to generate high-temperature molten salt, the high-temperature molten salt is stored in the heat storage device 3, the renewable energy power generation device 1 and the molten salt heat storage device 3 deliver electric energy and heat energy to the high-temperature electrolysis hydrogen production device 4 in a certain proportion, the heat energy of 300-500 ℃ generated in the hydrogen production process is delivered to the ammonia absorption refrigeration device 5 to be cooled, and the generated hydrogen is stored and delivered to the hydrogen storage device 6 and the hydrogen transportation device 7 to be used as a hydrogen storage device and a hydrogen supply device for the hydrogen absorption large-scale factory 8, the hydrogen consumption large-scale factory and the commercial community 11, respectively.
Specifically, direct current generated by the renewable energy power generation equipment 1 is input into the high-temperature electrolysis hydrogen production equipment 4, the renewable energy heating equipment 2 generates high-quality heat, the heat energy is buffered by the molten salt heat storage equipment 3 and is input into the high-temperature electrolysis hydrogen production equipment 4 as required, the high-temperature electrolysis hydrogen production equipment 4 prepares high-quality hydrogen, the hydrogen is stored in the hydrogen storage equipment 6, the hydrogen is supplied to the solid oxide fuel cell power supply equipment 8, the hydrogenation station 9, the hydrogen consumption large-scale chemical plant 10 and the urban residential and commercial communities 11 through the hydrogen transmission equipment 7, the solid oxide fuel cell power supply equipment 8 supplies power to the hydrogenation station 9, the hydrogen consumption large-scale chemical plant 10 and the urban residential and commercial communities 11, the hydrogen received by the urban residential and commercial communities 11 is used for supplying heat, the high-temperature electrolysis hydrogen production equipment 4 can simultaneously generate waste heat steam of 300-500 ℃, the waste heat steam is supplied to the ammonia water absorption refrigeration equipment 5, and the large-scale absorption refrigeration equipment 5 is used for large-scale fresh ammonia water food refrigeration houses in cities. The hydrogen station 9 provides hydrogen energy fuel for urban traffic. The hydrogen-consuming large-scale chemical plant 10 can create employment for urban residents.
The renewable energy power generation equipment 1 is configured according to the selection of energy types, and any one or a combination of a plurality of wind energy, solar photovoltaic, water energy and tidal energy power generation can be selected by combining local natural resources and geographic environments.
The renewable energy heating device 2 is configured according to the selection of energy types, and any one or a combination of a plurality of solar photo-thermal energy, geothermal energy and nuclear energy can be adopted according to local natural resources and geographic environments.
The fused salt heat storage equipment 3 adopts the fused salt heat storage technology to store and supply the heat energy as required, and is matched with the electric energy for high-temperature hydrogen production supplied by the renewable energy power generation equipment 1 in real time. That is, the molten salt heat storage device 3 can store unstable new energy (such as wind energy, solar energy, water energy or tidal energy for producing electric energy, and solar energy, geothermal energy or nuclear energy for producing heat energy for example) to ensure that the required heat energy is supplied to the high-temperature hydrogen production device 4 as required, the heat energy supply follows the renewable energy power generation device 1 to supply as required, the influence caused by the problem that the new energy fluctuates and the renewable energy power generation device 1 and the renewable energy heating device 2 cannot supply energy is avoided, the synchronous supply of the heat energy and the electric energy to the high-temperature hydrogen production device 4 as required is realized, and meanwhile, the heat preservation can be carried out for the high-temperature operation device in the high-temperature hydrogen production device 4 to ensure the service life and the safety of the high-temperature hydrogen production device 4, so that the unstable new energy is absorbed by the high-temperature hydrogen production device 4 and the downstream hydrogen energy consumption is supplied as required.
The ammonia absorption refrigeration equipment 5 utilizes ammonia absorption refrigeration to recycle waste heat, and not only meets the electricity and heat consumption requirements of cities, but also meets the cooling requirements of the cities.
The hydrogen consumption conditions in the hydrogenation station 9, the hydrogen consumption large-scale chemical plant 10 and the urban residential and commercial communities 11 are monitored in real time, the hydrogen consumption conditions are regulated according to the energy requirements, and the rich hydrogen energy can be output to other hydrogen consumption areas.
According to the hydrogen energy urban structure based on high-temperature electrolysis hydrogen production, electric energy output from the renewable energy power generation equipment 1, heat energy output from the fused salt heat storage equipment 3 enter the high-temperature hydrogen production equipment 4 to be converted into hydrogen energy, and storage of the electric energy and the heat energy is realized, so that renewable energy sources are efficiently utilized, and clean hydrogen energy is utilized for storing the electric energy and the heat energy. The urban scale can be scaled and adjusted according to population quantity, the total quantity of the available renewable energy resources meets the energy demand under the urban scale, the whole city can meet the food, electric energy, heat energy and travel demands required by life, the energy source is self-sufficient, and no greenhouse gas is generated. Specifically, the city is an independent micro-grid structure, and no external power input is needed. In particular, the local electric energy can meet all electricity requirements of cities, and the surplus electric energy is stored through hydrogen.
Compared with the prior art adopting the common water electrolysis hydrogen production technology and the proton exchange membrane fuel cell power generation technology, the application covers the electric energy, the heat energy and the cold energy of cities with the scale of more than 50 ten thousand people through the high-temperature hydrogen production equipment 4 and the solid oxide fuel cell power supply equipment 8, and comprises a hydrogenation station 9, a hydrogen consumption large-scale chemical plant 10 and specific applications of urban residential and commercial communities 11.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and various modifications can be made to the above-described embodiment of the present invention. All simple, equivalent changes and modifications made in accordance with the claims and the specification of this application fall within the scope of the patent claims. The present invention is not described in detail in the conventional art.
Claims (6)
1. The utility model provides a hydrogen energy urban structure based on high temperature electrolysis hydrogen manufacturing which characterized in that, this hydrogen energy urban structure includes:
A renewable energy power plant (1) for harvesting a first renewable energy source for power generation, the first renewable energy source comprising wind and/or tidal energy;
a renewable energy heating device (2) for harvesting a second renewable energy source for generating a high temperature molten salt, the second renewable energy source comprising geothermal energy;
A molten salt heat storage device (3) for storing the generated high temperature molten salt, which is connected downstream of the renewable energy heating device (2);
The high-temperature electrolysis hydrogen production equipment (4) is used for generating hydrogen and is respectively connected at the downstream of the renewable energy power generation equipment (1) and the molten salt heat storage equipment (3) so as to produce hydrogen by utilizing the electric energy conveyed by the renewable energy power generation equipment (1) and the heat energy conveyed by the molten salt heat storage equipment (3), wherein the electric energy conveyed by the renewable energy power generation equipment (1) and the heat energy conveyed by the molten salt heat storage equipment (3) are matched in real time and are supplied to the high-temperature electrolysis hydrogen production equipment (4);
a hydrogen storage device (6) for storing the generated hydrogen, which is connected downstream of the high-temperature electrolytic hydrogen production device (4), and
A hydrogen delivery device (7) for delivering the stored hydrogen gas, which is connected downstream of the hydrogen storage device (6);
the hydrogen energy city structure also comprises an ammonia water absorption type refrigeration device (5), which is connected at the downstream of the high-temperature electrolysis hydrogen production device (4) to convey the heat energy of 300-500 ℃ generated in the hydrogen production process into the ammonia water absorption type refrigeration device (5) for refrigeration;
the hydrogen energy city structure also comprises a solid oxide fuel cell power supply device (8) which is connected downstream of the hydrogen conveying device (7) to convey the hydrogen in the hydrogen conveying device (7) into the solid oxide fuel cell power supply device (8) for power generation;
The hydrogen energy urban structure also comprises a hydrogenation station (9), a hydrogen consumption large-scale chemical plant (10) and an urban residential and commercial community (11).
2. The hydrogen energy city structure according to claim 1, characterized in that the hydrogen adding station (9) is connected downstream of the hydrogen transporting device (7) to transport hydrogen in the hydrogen transporting device (7) into the hydrogen adding station (9) for supply of gas, and the hydrogen adding station (9) is connected downstream of the solid oxide fuel cell power supply device (8) to cause the solid oxide fuel cell power supply device (8) to supply power to the hydrogen adding station (9).
3. The hydrogen energy urban structure according to claim 1, characterized in that a hydrogen consuming large-scale chemical plant (10) is connected downstream of the hydrogen delivery device (7) to deliver hydrogen in the hydrogen delivery device (7) into the hydrogen consuming large-scale chemical plant (10) for use as a chemical plant raw material, the hydrogen consuming large-scale chemical plant (10) being connected downstream of the solid oxide fuel cell power supply device (8) such that the solid oxide fuel cell power supply device (8) supplies power to the hydrogen consuming large-scale chemical plant (10).
4. The hydrogen energy city structure of claim 1, wherein the city dwelling and commercial community (11) is connected downstream of the hydrogen delivery device (7) to deliver hydrogen in the hydrogen delivery device (7) to the city dwelling and commercial community (11) for heating, and wherein the city dwelling and commercial community (11) is connected downstream of the solid oxide fuel cell power device (8) such that the solid oxide fuel cell power device (8) supplies power to the city dwelling and commercial community (11).
5. The hydrogen energy urban structure according to claim 1, characterized in that the first renewable energy source further comprises solar photovoltaic and/or hydroenergy.
6. The hydrogen energy urban structure according to claim 1, characterized in that the second renewable energy source further comprises solar photo-thermal and/or nuclear energy.
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