CN214464425U - Aluminum-fired power generation system - Google Patents
Aluminum-fired power generation system Download PDFInfo
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- CN214464425U CN214464425U CN202120344220.1U CN202120344220U CN214464425U CN 214464425 U CN214464425 U CN 214464425U CN 202120344220 U CN202120344220 U CN 202120344220U CN 214464425 U CN214464425 U CN 214464425U
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Abstract
The utility model discloses an aluminum-fired power generation system, which comprises an aluminum combustion power generation system and an aluminum fuel electrolysis regeneration subsystem; the utility model discloses a will be based on aluminium fuel energy storage, aluminium burning electricity generation, hydrogen burning electricity generation and aluminium oxide electrolysis system aluminium etc. and carry out the coupling effectively, have that energy storage density is high, the energy storage cycle length can realize permanent storage, fuel cycle regeneration does not have the consumption and be convenient for develop advantages such as global energy trade.
Description
Technical Field
The utility model belongs to the technical field of green electricity generation and advanced energy storage, concretely relates to power generation system who fires with aluminium.
Background
With the global atmospheric pollution and climate warming trend becoming more severe, the traditional power generation system mainly using fossil energy will face unprecedented pressure and challenge. From a worldwide perspective, countries are striving to increase the proportion of renewable energy sources in their own power structures to generate electricity. In the future, the development trend in the world energy field is bound to be a gradual replacement of fossil energy by renewable energy. However, the renewable energy source seriously hinders the development of the renewable energy power generation due to the characteristics of intermittency, instability, uncertainty and the like of the renewable energy source. In the future, renewable energy sources are required to replace fossil energy sources, and development and support of large-scale and long-period energy storage technologies are required.
At present, research in the field of energy storage technology is active, and various energy storage technologies, such as pumped storage, compressed air storage, lithium battery storage, super capacitor storage, flywheel storage, hydrogen storage, etc., are rapidly developed. However, the existing energy storage technology has difficulty in meeting the requirements of high energy storage density, mobility, low self-consumption loss and global energy trade at the same time. Therefore, there is a need to develop a new energy storage technology, so that renewable energy power generation is developed to a deeper and wider direction worldwide.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a power generation system who fires with aluminium, this system will be based on aluminium fuel energy storage, aluminium burning electricity generation, hydrogen burning electricity generation and aluminium oxide electrolysis system aluminium etc. and carry out the coupling effectively, have energy storage density height, energy storage cycle length can realize permanent storage, fuel cycle regeneration does not have the consumption and be convenient for develop advantages such as global energy trade.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an aluminum-fired power generation system comprises an aluminum combustion power generation subsystem and an aluminum fuel electrolysis regeneration subsystem;
the aluminum combustion power generation subsystem comprises a powder preparation device 1, an aluminum water combustion device 2, a gas-solid separation device 3, a mixed working medium turbine 4, a power generator 5, a hydrogen combustion device 6, an air compressor 7, a steam turbine 8, a power generator 9 and a condenser 10; the aluminum fuel is connected with the material inlet of the powder making device 1 through the conveying pipeline, the outlet of the powder making device 1 is connected with the fuel inlet of the aluminum water combustion device 2, the oxidant inlet of the aluminum water combustion device 2 is connected with the oxidant water conveying pipeline, in the aluminum water combustion device 2, aluminum powder and water are subjected to violent combustion reaction, and the reaction equation is 2Al +3H2O＝Al2O3+3H2The oxidant water is excessive in the reaction process, and the reaction product is solid Al2O3Steam and hydrogen; the outlet of the aluminum water combustion device 2 is communicated with the inlet of the gas-solid separation device 3, after the gas-solid separation is completed, the mixed gas of steam and hydrogen is communicated with the inlet of the mixed working medium turbine 4 through the gas outlet of the gas-solid separation device 3, the mixed gas with high temperature and high pressure expands in the mixed working medium turbine 4 to do work and drives the generator 5 to rotate to generate power, the generator 5 is coaxially connected with the mixed working medium turbine 4, and solid Al is coaxially connected with the mixed working medium turbine 42O3Collecting the solid materials through a solid material outlet of the gas-solid separation device 3; the working medium outlet of the mixed working medium turbine 4 is connected with the fuel inlet of the hydrogen combustion device 6, the air inlet of the hydrogen combustion device 6 is connected with the outlet of the air compressor 7, hydrogen is combusted in the hydrogen combustion device 6 and releases heat, the generated high-temperature steam is communicated with the inlet of the steam turbine 8 through the outlet of the hydrogen combustion device 6, the high-temperature steam expands in the steam turbine 8 to do work and drives the generator 9 to rotate to generate electricity, the generator 9 is coaxially connected with the steam turbine 8, the outlet of the steam turbine 8 is connected with the inlet of the condenser 10, the steam is condensed in the condenser 10 to form water, and the water can enter the next cycle for continuous use or other purposes after being collected;
the aluminum fuel electrolysis regeneration subsystem comprises a transportation device 11 and an aluminum oxide electrolysis device 12; solid Al produced by combustion reaction of aluminum and water2O3Transported to an industrial electrolytic aluminum plant by a transportation device 11, and solid Al2O3And an alumina electrolysis device 12The other material inlet of the alumina electrolysis device 12 is connected with a flux cryolite conveying pipeline, the power supply of the alumina electrolysis device 12 is connected with a surplus renewable energy power supply 13 in a power grid, the alumina generates electrolytic reaction in the alumina electrolysis device 12, and fuel aluminum is regenerated on the cathode of the alumina electrolysis device 12.
The working method of the power generation system using aluminum as fuel comprises the steps that the power generation system uses aluminum oxide as a raw material, when the power generation of renewable energy in a power grid system is excessive or surplus, the aluminum oxide electrolysis device 12 is used for electrolyzing the molten aluminum oxide, and the electricity of the renewable energy is converted into chemical energy of aluminum fuel through electrochemical reaction and stored. When the power generation of renewable energy sources in a power grid system is insufficient or other geographical positions in the world need power supply, the chemical energy of the aluminum fuel is converted into electric energy through the aluminum combustion power generation subsystem, and the power supply is realized to the outside; the specific process of converting chemical energy into electric energy is as follows: the aluminum fuel and the water are subjected to violent combustion reaction in the aluminum water combustion device 2, and the reaction product is solid Al2O3The high-temperature high-pressure steam and hydrogen mixed gas expands in the mixed working medium turbine 4 to do work and drives the generator 5 to rotate to generate electricity; in addition, hydrogen in the mixed working medium is combusted in the hydrogen combustion device 6 and releases heat, and the generated high-temperature steam expands in the steam turbine 8 to do work and drives the generator 9 to rotate for power generation; solid Al after combustion of aluminum2O3The fuel aluminum can be recovered by the aluminum oxide electrolysis device 12 after being recovered, thereby realizing recycling, and the aluminum oxide is not consumed in the whole process.
The utility model has the advantages that:
the utility model relates to a power generation system and working method of aluminium for combustion, have following advantage: (1) the energy density of the metal fuel aluminum is high; (2) the aluminum fuel does not contain carbon, and pollutants are not generated in the whole working process of the system, so that the system is a green low-carbon power generation technology; (3) renewable energy power is converted into chemical energy of metal fuel aluminum for storage through electrochemical reaction, and the method has the advantages of long energy storage period and capability of realizing permanent storage; (4) after the combustion reaction of the aluminum fuel in the whole process, the combustion product can be regenerated by electrolysis to obtain the metal fuel aluminum, and the fuel aluminum is regenerated circularly and has no consumption in the whole process; (5) the energy is stored through the metal fuel aluminum, so that the energy trade in the global range is conveniently developed.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Wherein, 1 is a powder making device, 2 is an aluminum water combustion device, 3 is a gas-solid separation device, 4 is a mixed working medium turbine, 5 is a generator, 6 is a hydrogen combustion device, 7 is an air compressor, 8 is a steam turbine, 9 is a generator, 10 is a condenser, 11 is a transportation device, 12 is an aluminum oxide electrolysis device, and 13 is surplus renewable energy power supply in a power grid.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
referring to fig. 1, an aluminum-fired power generation system includes an aluminum combustion power generation subsystem and an aluminum fuel electrolysis regeneration subsystem;
the aluminum combustion power generation subsystem comprises a powder preparation device 1, an aluminum water combustion device 2, a gas-solid separation device 3, a mixed working medium turbine 4, a power generator 5, a hydrogen combustion device 6, an air compressor 7, a steam turbine 8, a power generator 9 and a condenser 10; the aluminum fuel is connected with the material inlet of the powder making device 1 through the conveying pipeline, the outlet of the powder making device 1 is connected with the fuel inlet of the aluminum water combustion device 2, the oxidant inlet of the aluminum water combustion device 2 is connected with the oxidant water conveying pipeline, in the aluminum water combustion device 2, aluminum powder and water are subjected to violent combustion reaction, and the reaction equation is 2Al +3H2O＝Al2O3+3H2The oxidant water is excessive in the reaction process, and the reaction product is solid Al2O3Steam and hydrogen; the outlet of the aluminum water combustion device 2 is communicated with the inlet of the gas-solid separation device 3, after the gas-solid separation is finished, the mixed gas of steam and hydrogen is communicated with the inlet of the mixed working medium turbine 4 through the gas outlet of the gas-solid separation device 3, the mixed gas with high temperature and high pressure expands in the mixed working medium turbine 4 to do work and drives the generator 5 to rotate to generate powerThe generator 5 is coaxially connected with the mixed working medium turbine 4, and solid Al2O3Collecting the solid materials through a solid material outlet of the gas-solid separation device 3; the working medium outlet of the mixed working medium turbine 4 is connected with the fuel inlet of the hydrogen combustion device 6, the air inlet of the hydrogen combustion device 6 is connected with the outlet of the air compressor 7, hydrogen is combusted in the hydrogen combustion device 6 and releases heat, the generated high-temperature steam is communicated with the inlet of the steam turbine 8 through the outlet of the hydrogen combustion device 6, the high-temperature steam expands in the steam turbine 8 to do work and drives the generator 9 to rotate to generate electricity, the generator 9 is coaxially connected with the steam turbine 8, the outlet of the steam turbine 8 is connected with the inlet of the condenser 10, the steam is condensed in the condenser 10 to form water, and the water can enter the next cycle for continuous use or other purposes after being collected;
the aluminum fuel electrolysis regeneration subsystem comprises a transportation device 11 and an aluminum oxide electrolysis device 12; solid Al generated by combustion reaction of aluminum and water2O3Transported to an industrial electrolytic aluminum plant by a transportation device 11, and solid Al2O3The other material inlet of the alumina electrolysis device 12 is connected with a flux cryolite conveying pipeline, a power supply of the alumina electrolysis device 12 is connected with a surplus renewable energy power supply 13 in a power grid, the alumina generates electrolytic reaction in the alumina electrolysis device 12, and fuel aluminum is regenerated on a cathode of the alumina electrolysis device 12.
The utility model relates to a power generation system of aluminium for burning uses aluminium oxide as the raw materials, and when renewable energy power generation was surplus or surplus among the electric wire netting system, the aluminium electrolytic device 12 carries out the electrolysis to fused aluminium oxide through the oxidation, and the chemical energy that changes renewable energy electric power into aluminium fuel through electrochemical reaction stores. When the power generation of renewable energy sources in a power grid system is insufficient or other geographical positions in the world need power supply, the chemical energy of the aluminum fuel is converted into electric energy through the aluminum combustion power generation subsystem, and the power supply is realized to the outside; the specific process of converting chemical energy into electric energy is as follows: the aluminum fuel and the water are subjected to violent combustion reaction in the aluminum water combustion device 2, and the reaction product is solid Al2O3The high-temperature high-pressure steam and hydrogen mixed gas expands in the mixed working medium turbine 4 to do work and drives the generator 5 to rotate to generate electricity; in addition, hydrogen in the mixed working medium is combusted in the hydrogen combustion device 6 and releases heat, and the generated high-temperature steam expands in the steam turbine 8 to do work and drive the generator 9 to rotate for power generation. Solid Al after combustion of aluminum2O3The fuel aluminum can be recovered by the aluminum oxide electrolysis device 12 after being recovered, thereby realizing recycling, and the aluminum oxide is not consumed in the whole process.
The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (3)
1. An aluminum-fired power generation system characterized by: comprises an aluminum combustion power generation subsystem and an aluminum fuel electrolysis regeneration subsystem;
the aluminum combustion power generation subsystem comprises a powder preparation device (1), an aluminum water combustion device (2), a gas-solid separation device (3), a mixed working medium turbine (4), a first power generator (5), a hydrogen combustion device (6), an air compressor (7), a steam turbine (8), a second power generator (9) and a condenser (10); the aluminum fuel is connected with a material inlet of a powder making device (1) through a conveying pipeline, an outlet of the powder making device (1) is connected with a fuel inlet of an aluminum water combustion device (2), an oxidant inlet of the aluminum water combustion device (2) is connected with an oxidant water conveying pipeline, an outlet of the aluminum water combustion device (2) is communicated with an inlet of a gas-solid separation device (3), after gas-solid separation is completed, mixed gas of steam and hydrogen is communicated with an inlet of a mixed working medium turbine (4) through a gas outlet of the gas-solid separation device (3), the mixed gas with high temperature and high pressure expands in the mixed working medium turbine (4) to do work and drive a first generator (5) to rotate for power generation, the first generator (5) is coaxially connected with the mixed working medium turbine (4), and solid Al is coaxially connected with the mixed working medium turbine (4)2O3The solid materials are collected through a solid material outlet of the gas-solid separation device (3); the working medium outlet of the mixed working medium turbine (4) is connected with the fuel inlet of the hydrogen combustion device (6), the air inlet of the hydrogen combustion device (6) is connected with the outlet of the air compressor (7), hydrogen is combusted in the hydrogen combustion device (6) and releases heat, the generated high-temperature steam is communicated with the inlet of the steam turbine (8) through the outlet of the hydrogen combustion device (6), the high-temperature steam expands in the steam turbine (8) to do work and drives the second generator (9) to rotate to generate power, the second generator (9) is coaxially connected with the steam turbine (8), the outlet of the steam turbine (8) is connected with the inlet of the condenser (10), and the steam is condensed in the condenser (10) to form water;
the aluminum fuel electrolysis regeneration subsystem comprises a transportation device (11) and an alumina electrolysis device (12); solid Al produced by combustion reaction of aluminum and water2O3Transported to an industrial electrolytic aluminium plant by a transport device (11) and solid Al2O3The device is connected with an alumina material inlet of an alumina electrolysis device (12), the other material inlet of the alumina electrolysis device (12) is connected with a flux cryolite conveying pipeline, a power supply of the alumina electrolysis device (12) is connected with a surplus renewable energy power supply (13) in a power grid, the alumina generates electrolytic reaction in the alumina electrolysis device (12), and fuel aluminum is regenerated on a cathode of the alumina electrolysis device (12).
2. An aluminum-fired power generation system as claimed in claim 1, wherein: the mass ratio range of steam to hydrogen in the inlet working medium of the mixed working medium turbine (4) is (20-45): 1.
3. an aluminum-fired power generation system as claimed in claim 1, wherein: the surplus renewable energy power supply (13) in the grid is electricity generated by renewable energy sources that are difficult to utilize in the grid.
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| CN202120344220.1U CN214464425U (en) | 2021-02-07 | 2021-02-07 | Aluminum-fired power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738062A (en) * | 2022-05-19 | 2022-07-12 | 西安热工研究院有限公司 | Aluminum fuel energy storage system for coupling SOFC (solid oxide fuel cell) and gas turbine and working method |
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2021
- 2021-02-07 CN CN202120344220.1U patent/CN214464425U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738062A (en) * | 2022-05-19 | 2022-07-12 | 西安热工研究院有限公司 | Aluminum fuel energy storage system for coupling SOFC (solid oxide fuel cell) and gas turbine and working method |
| CN114738062B (en) * | 2022-05-19 | 2024-04-26 | 西安热工研究院有限公司 | Aluminum fuel energy storage system coupling SOFC and gas turbine and working method |
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