Multi-energy integrated facility and operation method thereof

Abstract

The application discloses a kind of multi-energy comprehensive facilities and its operating method, it is related to energy management field.The energy comprehensive facilities include seawater acquisition and processing unit, hydrogen energy utilization unit, nuclear fuel preparation unit, fusion reactor, fission reactor, lithium material unit, tritium helium separation tower, tritium storage unit, energy conversion unit and power grid system.Seawater acquisition and processing unit is used to obtain seawater and electrolysis generation hydrogen, oxygen and heavy water;Nuclear fuel preparation unit is used to enrich heavy water and electrolysis generation deuterium, the deuterium input fusion reactor participates in fusion reaction;The neutron generated by fusion reactor inputs fission reactor and acts on lithium material unit to generate tritium, the tritium is supplied back to fusion reactor after separation;The heat energy generated by fusion reactor and fission reactor is converted into electric energy by energy conversion unit, and the electric energy generated by hydrogen energy utilization unit is input into power grid system together.The application realizes the material and energy collaborative utilization between hydrogen energy, nuclear fusion energy and nuclear fission energy.

Description

Technical Field

[0001] This invention relates to the field of energy management, specifically to a multi-energy integrated facility and its operation method. Background Technology

[0002] Energy is the fundamental support for the development of human society. Currently, the global energy structure is still dominated by fossil fuels such as coal, oil, and natural gas. However, problems such as resource depletion, environmental pollution, and carbon emissions are becoming increasingly prominent, making the transformation of the energy system towards a cleaner and lower-carbon direction a development trend.

[0003] In the existing clean energy system, nuclear fission energy can provide stable baseload power and has been applied on a large scale, but it still has problems such as high construction costs, limited thermal efficiency and high safety requirements. Nuclear fusion energy has the advantages of abundant fuel sources, high energy density and environmental friendliness, and is considered to be the ideal energy form of the future, but it is still in the experimental research stage. No engineering breakthroughs have been achieved in terms of material properties, tritium self-sufficiency and plasma stability control, and there is still a big gap before commercial application.

[0004] Meanwhile, hydrogen energy, as a clean secondary energy source, has the advantages of high energy density and zero carbon emissions, and can be used for power peak shaving and energy storage. However, in practical applications, it still faces problems such as high production costs, difficulties in storage and transportation, and imperfect infrastructure, which limit its large-scale promotion.

[0005] In existing technologies, nuclear fission, nuclear fusion, and hydrogen energy are typically developed and utilized as independent energy systems, lacking effective coordination mechanisms. For example, the neutrons produced by fusion reactions are not fully utilized, the tritium fuel acquisition and replenishment system is still imperfect, and there is a lack of material and energy coupling paths between hydrogen energy systems and nuclear energy systems, resulting in low overall energy utilization efficiency and low system integration.

[0006] Therefore, how to construct a multi-energy integrated system that can achieve the coordinated utilization of material flow and energy flow among nuclear fission energy, nuclear fusion energy and hydrogen energy, so as to improve energy utilization efficiency and reduce system operating costs, has become a technical problem that urgently needs to be solved in this field. Summary of the Invention

[0007] The technical problem to be solved by this invention is that existing nuclear fission energy, nuclear fusion energy and hydrogen energy systems usually operate independently and lack an effective mechanism for coordinating material flow and energy flow, resulting in low energy utilization efficiency and low system integration. The purpose is to provide a multi-energy integrated facility and its operation method, which solves the problem of how to achieve the coordinated utilization of material flow and energy flow among nuclear fission energy, nuclear fusion energy and hydrogen energy in a multi-energy integrated system.

[0008] This invention is achieved through the following technical solution:

[0009] A multi-energy integrated facility, comprising:

[0010] The seawater acquisition and treatment unit is used to acquire seawater and electrolyze it to obtain hydrogen, oxygen and heavy water.

[0011] A hydrogen energy utilization unit, connected to the seawater acquisition and processing unit, is used for storing and generating electricity from the hydrogen and oxygen.

[0012] The nuclear fuel preparation unit is connected to the seawater acquisition and processing unit, and is used to enrich the heavy water and prepare deuterium gas, and to provide deuterium gas to the fusion reactor.

[0013] Fusion reactors are used to produce neutrons and energy based on deuterium-tritium reactions.

[0014] A fission reactor, connected to the fusion reactor, is used to receive the neutrons and carry out a fission reaction;

[0015] A lithium material unit, connected to the fusion reactor and the fission reactor, is used to generate tritium under the action of neutrons;

[0016] A tritium-helium separation tower, connected to the lithium material unit, is used to separate tritium and helium;

[0017] A tritium storage unit, connected to the fusion reactor, is used to supply tritium fuel to the fusion reactor;

[0018] An energy conversion unit, connected to the fusion reactor and the fission reactor, is used to convert the generated thermal energy and output electrical energy.

[0019] The power grid system is used to receive and distribute the electrical energy output from the hydrogen energy utilization unit and the energy conversion unit.

[0020] Furthermore, the seawater acquisition and treatment unit includes a seawater collection system and a seawater electrolyzer. The seawater electrolyzer operates within a preset electrolysis voltage range, causing light water to preferentially undergo electrolysis to form a preliminary enrichment of heavy water. The preset electrolysis voltage range is configured to be lower than the heavy water electrolysis threshold.

[0021] Furthermore, the hydrogen energy utilization unit includes a hydrogen storage unit, an oxygen storage unit, and a hydrogen-oxygen generator. The hydrogen storage unit and the oxygen storage unit are both connected to the seawater electrolyzer, and the hydrogen-oxygen generator is used to generate electricity from the stored hydrogen and oxygen.

[0022] Furthermore, the nuclear fuel preparation unit includes a heavy water enrichment unit, a heavy water electrolyzer, and a deuterium storage unit. The heavy water enrichment unit is used to increase the concentration of the initially enriched heavy water to a preset purity range, and input the increased heavy water into the heavy water electrolyzer to generate deuterium gas. The deuterium storage unit is connected to the fusion reactor and is used to supply deuterium gas to the fusion reactor according to a preset supply flow range.

[0023] Furthermore, the neutrons output from the fusion reactor are input to the fission reactor via direct coupling or guided through neutron channels.

[0024] Furthermore, the lithium material unit generates tritium under the action of neutrons produced by the fusion reactor and fission reactor.

[0025] Furthermore, the tritium-helium separation tower separates tritium and helium based on the difference in boiling points and in combination with a preset temperature control range.

[0026] Furthermore, the tritium storage unit is connected to the fusion reactor and is used to supply tritium fuel to the fusion reactor according to a preset feed-back flow range.

[0027] Furthermore, the energy conversion unit includes a cooling system and a steam turbine. The cooling system is used to absorb the heat generated by the fusion reactor and the fission reactor, and drives the steam turbine to generate electricity under a preset heat exchange efficiency condition.

[0028] The present invention also provides a method for operating a multi-energy integrated facility, for realizing the aforementioned multi-energy integrated facility, comprising:

[0029] Seawater is obtained and electrolyzed to produce hydrogen, oxygen and heavy water;

[0030] The heavy water is enriched and electrolyzed to generate deuterium gas;

[0031] The deuterium gas is fed into the fusion reactor, where a deuterium-tritium reaction takes place to produce neutrons and energy;

[0032] The neutrons are at least partially fed into the fission reactor to trigger a fission reaction in the fission reactor;

[0033] Tritium is generated through lithium material units under the action of neutrons, and the generated tritium is then separated and stored.

[0034] The tritium is introduced into the fusion reactor to participate in the fusion reaction;

[0035] The thermal energy generated by the fusion reactor and the fission reactor is converted into electrical energy;

[0036] The electrical energy is output to the power grid system for distribution.

[0037] Compared with existing technologies, this invention has the following advantages and beneficial effects: By using seawater as a unified raw material source, it achieves the synergistic preparation of hydrogen, deuterium, and heavy water, which are then used for hydrogen power generation, fusion reaction, and fission reaction, respectively, thereby improving resource utilization efficiency and reducing resource fragmentation between different energy systems. Furthermore, by using neutrons generated in the fusion and fission reactors to react with lithium material units to produce tritium, which is then fed back to the fusion reactor via a tritium-helium separation tower and a tritium storage unit, a tritium fuel recycling pathway is formed, thereby improving the stability of the fusion reaction fuel supply.

[0038] By introducing neutrons produced in a fusion reactor into a fission reactor, the efficiency of the fission reaction is improved. Simultaneously, neutrons produced in the fission reaction are used to participate in tritium generation, achieving multi-level utilization of neutron resources. Power is supplied to the grid system through a hydrogen-oxygen generator and a thermal power generation device based on the fusion and fission reactors. Adjustments can be made through different power generation paths under different load conditions, improving the flexibility of the system's energy supply. Through the interconnections between the various units, the hydrogen energy system, fusion system, and fission system can operate collaboratively on the same platform, improving system integration and reducing the redundancy caused by independent operation of the energy system. Attached Figure Description

[0039] To more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below. It should be understood that the following drawings only show some embodiments of the present invention and should not be considered as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort. In the drawings:

[0040] Figure 1 This is a schematic diagram of a multi-energy integrated facility structure;

[0041] In the diagram: 1. Seawater collection system; 2. Seawater electrolyzer; 3. Hydrogen storage unit; 4. First oxygen storage unit; 5. Heavy water enrichment unit; 6. Heavy water electrolyzer; 7. Second oxygen storage unit; 8. Deuterium storage unit; 9. Fusion reactor auxiliary heating system; 10. Fusion reactor; 11. Fission reactor; 12. Cooling system; 13. Steam turbine; 14. Power grid system; 15. Lithium material unit; 16. Tritium-helium separation tower; 17. Tritium storage unit; 18. Helium storage unit; 19. External load; 20. Hydrogen-oxygen generator. Detailed Implementation

[0042] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the embodiments and accompanying drawings. The illustrative embodiments and descriptions of the present invention are only used to explain the present invention and are not intended to limit the present invention.

[0043] Example 1

[0044] A multi-energy integrated facility, such as Figure 1 As shown, it specifically includes:

[0045] The seawater acquisition and treatment unit is used to acquire seawater and electrolyze it to obtain hydrogen, oxygen and heavy water.

[0046] A hydrogen energy utilization unit, connected to the seawater acquisition and processing unit, is used for storing and generating electricity from the hydrogen and oxygen.

[0047] The nuclear fuel preparation unit is connected to the seawater acquisition and processing unit, and is used to enrich the heavy water and prepare deuterium gas, and to provide deuterium gas to the fusion reactor 10.

[0048] Fusion reactor 10 is used to produce neutrons and energy based on deuterium-tritium reactions;

[0049] Fission reactor 11, connected to fusion reactor 10, is used to receive neutrons and carry out fission reactions;

[0050] The lithium material unit 15 is connected to the fusion reactor 10 and the fission reactor 11 and is used to generate tritium under the action of neutrons;

[0051] A tritium-helium separation tower 16, connected to the lithium material unit 15, is used to separate tritium and helium;

[0052] The tritium storage unit 17 is connected to the fusion reactor 10 and is used to provide tritium fuel to the fusion reactor 10;

[0053] An energy conversion unit, connected to the fusion reactor 10 and the fission reactor 11, is used to convert the generated thermal energy and output electrical energy.

[0054] The power grid system 14 is used to receive and distribute the electrical energy output from the hydrogen energy utilization unit and the energy conversion unit.

[0055] In this embodiment, the connection relationship between the units is as follows: Figure 1 As shown, specifically:

[0056] The seawater collection system 1 is connected to the input end (a1) of the seawater electrolyzer 2 to provide raw seawater to the seawater electrolyzer 2; the gas output ends (b2, b3) of the seawater electrolyzer 2 are connected to the hydrogen storage unit 3 and the first oxygen storage unit 4 respectively; the output ends of the hydrogen storage unit 3 and the oxygen storage unit 4 are connected to the hydrogen-oxygen generator 20; and the output end of the hydrogen-oxygen generator 20 is connected to the power grid system 14.

[0057] The liquid output end (b1) of the seawater electrolyzer 2 is connected to the heavy water enrichment unit 5. The output end of the heavy water enrichment unit 5 is connected to the input end (a1) of the heavy water electrolyzer 6 and the fission reactor 11, respectively. The heavy water input to the fission reactor 11 is used as a moderator. The output ends (b1, b2) of the heavy water electrolyzer 6 are connected to the second oxygen storage unit 7 and the deuterium storage unit 8, respectively. The output end of the deuterium storage unit 8 is connected to the input end (a1) of the fusion reactor 10.

[0058] The neutron output terminal (b2) of the fusion reactor 10 is connected to the input terminal (a1) of the fission reactor 11 to provide neutrons to the fission reactor 11; the thermal energy output terminals (b1) of the fusion reactor 10 and the fission reactor 11 are respectively connected to the input terminals (a1, a2) of the cooling system 12, the output terminal of the cooling system 12 is connected to the steam turbine 13, and the output terminal of the steam turbine 13 is connected to the power grid system 14.

[0059] The neutron output terminals (b2) of the fusion reactor 10 and the fission reactor 11 are connected to the input terminals (a1, a2) of the lithium material unit 15, respectively. The output terminal of the lithium material unit 15 is connected to the input terminal (a1) of the tritium-helium separation tower 16. The output terminals (b1, b2) of the tritium-helium separation tower 16 are connected to the tritium storage unit 17 and the helium storage unit 18, respectively. The output terminal of the tritium storage unit 17 is connected to the input terminal (a1) of the fusion reactor 10, so as to realize the return supply of tritium fuel.

[0060] The output of the power grid system 14 is connected to the seawater electrolyzer 2, the heavy water electrolyzer 6, the fusion reactor auxiliary heating system 9, the fusion reactor 10, and the external load 19 (such as a human community) to provide power support to each electrical load.

[0061] The above-mentioned units are all conventional devices in this field, and their structures and working principles will not be described in detail.

[0062] In this embodiment, the seawater acquisition and processing unit includes a seawater collection system 1 and a seawater electrolysis cell 2. The seawater electrolysis cell 2 operates within a preset electrolysis voltage range, causing light water to preferentially undergo electrolysis to form a preliminary enrichment of heavy water. The preset electrolysis voltage range is configured to be lower than the heavy water electrolysis threshold.

[0063] In this embodiment, the hydrogen energy utilization unit includes a hydrogen storage unit 3, an oxygen storage unit 4, and a hydrogen-oxygen generator 20. The hydrogen storage unit 3 and the oxygen storage unit 4 are both connected to the seawater electrolyzer 2, and the hydrogen-oxygen generator 20 is used to generate electricity from the stored hydrogen and oxygen.

[0064] In this embodiment, the nuclear fuel preparation unit includes a heavy water enrichment unit 5, a heavy water electrolyzer 6, and a deuterium storage unit 8. The heavy water enrichment unit 5 is used to increase the concentration of the initially enriched heavy water to a preset purity range, and input the increased heavy water into the heavy water electrolyzer 6 to generate deuterium gas. The deuterium storage unit 8 is connected to the fusion reactor 10 and is used to supply deuterium gas to the fusion reactor 10 according to a preset supply flow range.

[0065] In some embodiments, the heavy water enrichment unit uses electrolytic enrichment to further increase the concentration of the initially enriched heavy water, so that the heavy water abundance reaches more than 99%, in order to meet the requirements of subsequent heavy water electrolysis for deuterium production or nuclear reaction systems.

[0066] It should be noted that in this embodiment, by controlling the electrolysis voltage of the seawater electrolyzer to be below the heavy water electrolysis threshold, light water is electrolyzed preferentially, thus achieving the initial enrichment of heavy water; at the same time, by utilizing the boiling point difference between tritium and helium, tritium and helium are separated within a preset temperature control range, thereby achieving efficient extraction and recovery of tritium.

[0067] In some embodiments, the electrolysis voltage range is a range lower than the starting voltage of heavy water electrolysis, and the preset purity range is an industrial-grade heavy water purity range that meets the requirements of nuclear reactions.

[0068] In this embodiment, the neutrons output by the fusion reactor 10 are input to the fission reactor 11 via direct coupling or guided by a neutron channel.

[0069] In some embodiments, the fission reactor is a fission-breeding-transmutation zone located within the blanket of a fusion reactor. High-energy neutrons generated by the fusion reactor directly act on the fission-breeding-transmutation zone to trigger a fast fission reaction and simultaneously achieve fuel breeding and transmutation treatment.

[0070] In this embodiment, the lithium material unit 15 generates tritium under the action of neutrons generated by the fusion reactor 10 and the fission reactor 11.

[0071] In this embodiment, the tritium-helium separation tower 16 separates tritium and helium based on the difference in boiling points between tritium and helium and in combination with a preset temperature control range.

[0072] In this embodiment, the tritium storage unit 17 is connected to the fusion reactor 10 and is used to provide tritium fuel to the fusion reactor 10 according to a preset feedback flow range.

[0073] In this embodiment, the energy conversion unit includes a cooling system 12 and a steam turbine 13. The cooling system is used to absorb the heat generated by the fusion reactor 10 and the fission reactor 11, and to drive the steam turbine 13 to generate electricity under a preset heat exchange efficiency condition.

[0074] In some embodiments, the cooling system uses seawater as the cooling medium and includes a primary loop coupled to the heat source of the fusion reactor or fission reactor, and a secondary or tertiary loop coupled to the energy conversion device; wherein the primary loop is used to extract heat from the fusion reactor or fission reactor, and the secondary or tertiary loop is used to transfer heat to the steam turbine power generation system and to achieve waste heat discharge under transient conditions or accident waste heat conditions.

[0075] In this embodiment, the multi-energy integrated facility forms the following synergistic relationship between material flow and energy flow:

[0076] Seawater is treated in a seawater electrolyzer to produce hydrogen, oxygen, and preliminarily enriched heavy water. The hydrogen and oxygen are stored and then fed into a hydrogen-oxygen generator to generate electricity. The preliminarily enriched heavy water is further concentrated in a heavy water enrichment device and then fed into a heavy water electrolyzer to generate deuterium. The deuterium is regulated by a deuterium storage unit and then fed into a fusion reactor as fusion fuel.

[0077] Fusion reactors produce neutrons and energy during the deuterium-tritium reaction. Some of the neutrons are input into fission reactors to trigger fission reactions, while the rest act on lithium material units to generate tritium. Fission reactors also produce neutrons during the reaction process to enhance tritium generation.

[0078] The generated tritium is separated by a tritium-helium separation tower and then fed into a tritium storage unit. The tritium storage unit then feeds tritium fuel back to the fusion reactor, thus forming a recycling of tritium fuel.

[0079] The heat energy generated by fusion reactors and fission reactors is absorbed by the cooling system and converted into steam heat energy, which drives the steam turbine to generate electricity. The generated electricity is input into the power grid system together with the electricity generated by the hydrogen-oxygen generator for unified allocation.

[0080] In this embodiment, the multi-energy integrated facility can adopt different operating modes according to operational needs, including:

[0081] In the independent operation mode, the hydrogen-oxygen generator starts, stops, or adjusts its output according to the fluctuations in the grid load. The hydrogen-oxygen generator has a fast load response capability, and its electrical output can quickly follow load changes and be started when it is necessary to regulate the power load.

[0082] In the collaborative operation mode, the fusion reactor and the fission reactor form a neutron coupling relationship. The fission reactor adopts a subcritical fission blanket structure and generates fission power output by receiving neutrons generated by the fusion reactor. The fission reactor usually does not operate independently at full power without separating from the fusion neutron source.

[0083] In the peak-shaving operation mode, the tritium production rate, tritium combustion consumption, and tritium loss or retention are comprehensively analyzed, and the supply and demand balance of tritium is adjusted through fuel recycling and re-injection, isotope ratio control, tritium inventory management, and dynamic scheduling.

[0084] It should be noted that in this embodiment, by controlling the electrolysis voltage of the seawater electrolyzer to be below the heavy water electrolysis threshold, light water is electrolyzed preferentially, thus achieving the initial enrichment of heavy water; at the same time, by utilizing the boiling point difference between tritium and helium, tritium and helium are separated within a preset temperature control range, thereby achieving efficient extraction and recovery of tritium.

[0085] Through the above-described structural setup and operation mode, this embodiment realizes the multi-path conversion of seawater resources into hydrogen, deuterium, and tritium fuels, and achieves material circulation and energy coupling utilization among multiple energy sources through the synergistic effect between the fusion reactor, fission reactor, and hydrogen-oxygen generator.

[0086] Example 2

[0087] A method for operating a multi-energy integrated facility, used to implement the multi-energy integrated facility of Embodiment 1, characterized in that it includes:

[0088] Seawater is obtained and electrolyzed to produce hydrogen, oxygen and heavy water;

[0089] The heavy water is enriched and electrolyzed to generate deuterium gas;

[0090] The deuterium gas is fed into the fusion reactor, where a deuterium-tritium reaction takes place to produce neutrons and energy;

[0091] At least a portion of the neutrons are input into the fission reactor to trigger a fission reaction in the fission reactor; during the fusion-fission co-operation process, the neutrons generated by the fusion reactor are input into the fission-breeding-transmutation region within the blanket to drive a subcritical fission reaction and generate thermal energy.

[0092] Tritium is generated through lithium material units under the action of neutrons, and the generated tritium is then separated and stored.

[0093] The tritium is fed into the fusion reactor to participate in the fusion reaction; the amount of tritium recovered and reinjected, the isotope ratio and the stockpile are adjusted according to the tritium production rate, the amount of tritium consumed by combustion and the loss or retention of tritium, so as to maintain the supply and demand balance of tritium fuel.

[0094] The thermal energy generated by the fusion reactor and the fission reactor is converted into electrical energy;

[0095] The electrical energy is output to the power grid system for distribution; when the power grid load needs to be adjusted quickly, the hydrogen-oxygen generator is started to participate in the load adjustment, and the output power of the hydrogen-oxygen generator is adjusted according to the load change.

[0096] The specific embodiments described above further illustrate the purpose, technical solution, and beneficial effects of the present invention. It should be understood that the above description is only a specific embodiment of the present invention and is not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.

Claims

1. A multi-energy integrated facility, characterized in that, include: The seawater acquisition and treatment unit is used to acquire seawater and electrolyze it to obtain hydrogen, oxygen and heavy water. A hydrogen energy utilization unit, connected to the seawater acquisition and processing unit, is used for storing and generating electricity from the hydrogen and oxygen. The nuclear fuel preparation unit is connected to the seawater acquisition and processing unit, and is used to enrich the heavy water and prepare deuterium gas, and to provide deuterium gas to the fusion reactor (10); Fusion reactor (10) for producing neutrons and energy based on deuterium-tritium reaction; A fission reactor (11), connected to the fusion reactor (10), is used to receive the neutrons and carry out a fission reaction; A lithium material unit (15), connected to the fusion reactor (10) and the fission reactor (11), is used to generate tritium under the action of neutrons; A tritium-helium separation tower (16), connected to the lithium material unit (15), is used to separate tritium and helium; A tritium storage unit (17) is connected to the fusion reactor (10) and is used to supply tritium fuel to the fusion reactor (10); An energy conversion unit, connected to the fusion reactor (10) and the fission reactor (11), is used to convert the generated thermal energy and output electrical energy; The power grid system (14) is used to receive and distribute the electrical energy output by the hydrogen energy utilization unit and the energy conversion unit.

2. The multi-energy integrated facility according to claim 1, characterized in that, The seawater acquisition and treatment unit includes a seawater collection system (1) and a seawater electrolysis cell (2). The seawater electrolysis cell (2) operates within a preset electrolysis voltage range, so that light water preferentially undergoes electrolysis to form a preliminary enrichment of heavy water. The preset electrolysis voltage range is configured to be lower than the heavy water electrolysis threshold.

3. The multi-energy integrated facility according to claim 2, characterized in that, The hydrogen energy utilization unit includes a hydrogen storage unit (3), a first oxygen storage unit (4), and a hydrogen-oxygen generator (20). The hydrogen storage unit (3) and the first oxygen storage unit (4) are both connected to the seawater electrolyzer (2). The hydrogen-oxygen generator (20) is used to generate electricity from the stored hydrogen and oxygen.

4. The multi-energy integrated facility according to claim 1, characterized in that, The nuclear fuel preparation unit includes a heavy water enrichment unit (5), a heavy water electrolyzer (6), and a deuterium storage unit (8). The heavy water enrichment unit (5) is used to increase the concentration of the initially enriched heavy water to a preset purity range, and input the increased heavy water into the heavy water electrolyzer (6) to generate deuterium. The deuterium storage unit (8) is connected to the fusion reactor (10) and is used to supply deuterium to the fusion reactor (10) according to a preset supply flow range.

5. The multi-energy integrated facility according to claim 1, characterized in that, The neutrons output from the fusion reactor (10) are input to the fission reactor (11) via direct coupling or guided through a neutron channel.

6. The multi-energy integrated facility according to claim 1, characterized in that, The lithium material unit (15) generates tritium under the action of neutrons produced by the fusion reactor (10) and the fission reactor (11).

7. The multi-energy integrated facility according to claim 1, characterized in that, The tritium-helium separation tower (16) separates tritium and helium based on the difference in boiling points between tritium and helium and in combination with a preset temperature control range.

8. The multi-energy integrated facility according to claim 1, characterized in that, The tritium storage unit (17) is connected to the fusion reactor (10) and is used to supply tritium fuel to the fusion reactor (10) according to a preset feed-back flow range.

9. The multi-energy integrated facility according to claim 1, characterized in that, The energy conversion unit includes a cooling system and a steam turbine (13). The cooling system (12) is used to absorb the heat generated by the fusion reactor (10) and the fission reactor (11) and drive the steam turbine (13) to generate electricity under the condition of preset heat exchange efficiency.

10. A method for operating a multi-energy integrated facility, used to implement the multi-energy integrated facility as described in claims 1-9, characterized in that, include: Seawater is obtained and electrolyzed to produce hydrogen, oxygen and heavy water; The heavy water is enriched and electrolyzed to generate deuterium gas; The deuterium gas is fed into the fusion reactor, where a deuterium-tritium reaction takes place to produce neutrons and energy; The neutrons are at least partially fed into the fission reactor to trigger a fission reaction in the fission reactor; Tritium is generated through lithium material units under the action of neutrons, and the generated tritium is then separated and stored. The tritium is introduced into the fusion reactor to participate in the fusion reaction; The thermal energy generated by the fusion reactor and the fission reactor is converted into electrical energy; The electrical energy is output to the power grid system for distribution.

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