ADS system transmutation MA fuel scheme locking method, electronic equipment and storage medium

Abstract

This invention relates to the technical field of nuclear reactor waste treatment, and discloses a method, electronic device, and storage medium for locking transmutation MA fuel schemes in an ADS system. The method includes: acquiring basic parameter inputs, target core subcriticality inputs, and experimental data; extracting database parameters and summarizing and fitting them to obtain processed database parameters; generating composition parameter files and mass parameter files; calculating the core subcriticality; comparing the core subcriticality with the target core subcriticality, and if the relative error is less than a preset error value, locking the transmutation MA fuel composition scheme corresponding to the experimental data. This method improves computational efficiency, reduces related computational energy consumption, simplifies research procedures, avoids a large number of invalid calculations in the research, reduces human error, and improves the efficiency of locking transmutation MA subcritical reactor fuel schemes in an ADS system.

Description

Technical Field

[0001] This invention relates to the technical field of nuclear reactor waste treatment, specifically to an ADS system transmutation MA fuel scheme locking method, electronic equipment, and storage medium. Background Technology

[0002] With the rapid development of nuclear energy, high-level radioactive waste from spent fuel burned in nuclear reactors is accumulating continuously. High-level radioactive waste (HLW) mainly includes high-density long-lived fission products (LLFPs), plutonium (Pu), and minor actinide nuclides (MA). Its treatment is a pressing scientific and technological problem that my country urgently needs to solve, and it has attracted widespread attention from countries around the world.

[0003] Accelerator-driven subcritical reactor (ADS) systems are fourth-generation reactors. Due to their hard neutron spectrum, high flux, and wide energy distribution, they are devices that can provide a neutron source for transmutating minor actinide (MA) nuclides. They mainly consist of three parts: a high-current proton accelerator, a spallation target, and a subcritical reactor. Current research on MA transmutation devices generally involves adding a small amount of MA to the subcritical reactor of an ADS system for combustion to study the characteristics of MA within the ADS system. However, research on large-scale ADS systems specifically for MA transmutation is currently very limited worldwide. Due to the high technical difficulty, system complexity, and economic costs of large-scale ADS systems specifically designed for MA transmutation, as well as many other unknown safety factors, large-scale ADS systems for MA transmutation remain in the research stage.

[0004] The initial fuel composition in an ADS (Automatic Degradation System) subcritical reactor is crucial to the safe operation of the entire system. Given a fixed reactor type, it plays a decisive role in the subcriticality of the ADS reactor. Furthermore, the subcriticality of an ADS reactor is an important parameter for evaluating whether it is at a critical level and is one of the main factors affecting its safety.

[0005] Because fuels of different masses and compositions are added to the subcritical reactor of the ADS system, the subcriticality may not be the same. In other words, even if the ADS system is at the same critical level, there are multiple schemes for the mass of MA in its fuel and the specific composition of the fuel. Multiple schemes are difficult to quickly determine, which can easily lead to a large number of invalid calculations in the research, further increasing the difficulty of studying the fuel ratio of transmutation MA. Summary of the Invention

[0006] In view of the above problems, embodiments of the present invention provide a method, electronic device and storage medium for locking the fuel scheme of ADS system transmutation MA, which is used to solve the problem that the fuel composition is difficult to determine quickly in the research process of ADS system transmutation MA in the prior art.

[0007] According to one aspect of the present invention, a method for locking the MA fuel scheme in an ADS system is provided, characterized in that the method includes:

[0008] Acquire basic parameter inputs, target core subcriticality inputs, and experimental data, including at least composition and mass inputs;

[0009] Extract the database parameters from the basic parameter input, filter and process the database parameters, and summarize and fit them to obtain the processed database parameters;

[0010] Extract components from the input of a component parameter file containing the proportions of MA component and other components;

[0011] Extract the mass parameter file containing the mass ratios between MA and other components from the mass input;

[0012] The core subcriticality is calculated based on the processed database parameters, composition parameter files, and quality parameter files.

[0013] The subcriticality of the reactor core is compared with that of the target reactor core. If the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked.

[0014] In one alternative approach, the comparison of the core subcriticality with the target core subcriticality further includes:

[0015] If the relative error between the core subcriticality and the target core subcriticality is greater than the preset error value, then change the experimental data and repeat the above calculation and comparison steps.

[0016] In one alternative approach, the database parameters include at least reactor structural parameters, material parameters, mass, mass percentage, density, and core subcriticality statistical error of each component in the fuel.

[0017] In one alternative approach, the component input includes at least the component parameters of the minor actinide nuclides, the component parameters of plutonium, and the component parameters of the inert matrix.

[0018] In one alternative approach, the mass input includes at least the mass parameters of the subactinide nuclides, the mass parameters of plutonium, and the mass parameters of the inert matrix.

[0019] In one alternative approach, the filtering process for the database parameters includes:

[0020] Based on the sensitivity coefficient, the data in the database parameters are filtered one by one to remove insensitive parameters and obtain the required parameters.

[0021] In one alternative approach, the component parameter file in the extracted component input, which includes the component ratios between the MA component and other components, includes:

[0022] Extract the component parameters of MA, plutonium, and inert matrix from the component input;

[0023] Generate the required composition parameter file based on the composition parameters of MA, plutonium, and the inert matrix.

[0024] In one alternative approach, the quality parameter file containing the mass ratio between the MA component and other components in the extracted quality input includes:

[0025] Extract the mass parameters of MA, plutonium, and inert matrix from the component input;

[0026] Generate the required mass parameter file based on the mass parameters of MA composition, plutonium composition, and inert matrix.

[0027] In one alternative approach, the preset error value is 1‰.

[0028] According to another aspect of the present invention, an electronic device is provided, the device including a processor, a memory, a communication interface, and a communication bus, wherein the processor, the memory, and the communication interface communicate with each other through the communication bus, and the processor includes at least:

[0029] The basic parameter processing unit is used to extract the database parameters from the basic parameter input, filter and process the database parameters, and summarize and fit them to obtain the processed database parameters.

[0030] The component parameter processing unit is used to extract the component parameter file containing the component ratios between the MA component and other components from the component input.

[0031] The quality parameter processing unit is used to extract the quality parameter file containing the mass ratios between MA component and other components from the quality input.

[0032] The core subcriticality processing unit receives processed database parameters, composition parameter files, and mass parameter files, and calculates the core subcriticality based on these parameters.

[0033] The comparison unit is used to compare the subcriticality of the reactor core with that of the target reactor core. When the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked.

[0034] In an alternative embodiment, the processor further includes:

[0035] The input unit is used to acquire basic parameter inputs, target core subcriticality inputs, and experimental data.

[0036] According to another aspect of the present invention, a storage medium is provided, wherein at least one executable instruction is stored therein, which, when executed on an electronic device, causes the electronic device to perform the operation of the ADS system transmutation MA fuel scheme locking method as described above.

[0037] This invention, through processing and summarizing the basic parameter inputs, composition inputs, and mass inputs of each component in the transmutation MA subcritical reactor fuel scheme, calculates the core subcriticality. By comparing this calculation with the target value to determine if it meets the error requirements, it achieves rapid fuel scheme locking. This method enables rapid locking of the transmutation MA subcritical reactor fuel scheme in the ADS system, improving computational efficiency, reducing related computational energy consumption, simplifying research procedures, avoiding numerous invalid calculations in the research, reducing human error, and improving the fuel scheme locking efficiency of the transmutation MA subcritical reactor in the ADS system.

[0038] The above description is merely an overview of the technical solutions of the embodiments of the present invention. In order to better understand the technical means of the embodiments of the present invention and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of the present invention more apparent and understandable, specific embodiments of the present invention are described below. Attached Figure Description

[0039] The accompanying drawings are for illustrative purposes only and are not intended to limit the invention. Furthermore, the same reference numerals denote the same parts throughout the drawings. In the drawings:

[0040] Figure 1 A schematic flowchart of the ADS system transmutation MA fuel scheme locking method provided in Embodiment 1 of the present invention is shown.

[0041] Figure 2 A flowchart illustrating the steps of the ADS system transmutation MA fuel scheme locking method provided in Embodiment 1 of the present invention is shown.

[0042] Figure 3 A structural block diagram of the electronic device provided in Embodiment 2 of the present invention is shown. Detailed Implementation

[0043] Exemplary embodiments of the invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the invention are shown in the drawings, it should be understood that the invention can be implemented in various forms and should not be limited to the embodiments set forth herein.

[0044] Example 1:

[0045] Figure 1 A flowchart illustrating the ADS system transmutation MA fuel scheme locking method provided by this invention is shown. This method is executed by electronic equipment. Figure 1 As shown, the method includes the following steps:

[0046] Step 101: Obtain basic parameter inputs, target core subcriticality inputs, and experimental data, including at least composition and mass inputs.

[0047] Among them, the basic parameter input refers to the structural parameters, material parameters, and database parameters containing material composition and mass percentage required for the accelerator-driven subcritical reactor system.

[0048] Step 102: Extract the database parameters from the basic parameter input, filter the database parameters, and summarize the fitted data to obtain the processed database parameters.

[0049] Among them, the filtering of database parameters is mainly used to eliminate insensitive parameters, so as to obtain the parameters required in subsequent calculations.

[0050] Step 103: Extract the component parameter file containing the component ratios between MA and other components from the component input.

[0051] MA refers to minor actinides, which are the actinides in spent fuel other than uranium and plutonium, including neptunium, americium, curium, berkelium, californium, einsteinium, and fermium. MA is a type of high-level radioactive waste, and its disposal is a challenging issue in nuclear waste management. Furthermore, this composition parameter file is generated based on the component proportions in the input composition data, serving as intermediate data for subsequent core subcriticality calculations.

[0052] Step 104: Extract the mass parameter file containing the mass ratios between MA and other components from the mass input.

[0053] This composition parameter file is generated by processing the composition proportions in the composition input and serves as intermediate data for subsequent core subcriticality calculations.

[0054] Step 105: Calculate the core subcriticality based on the processed database parameters, composition parameter file, and quality parameter file.

[0055] The subcriticality of the subcritical reactor in the ADS system is an important parameter for evaluating whether the subcritical reactor is at a critical level, and it is also one of the main factors affecting the safety of the subcritical reactor. In this embodiment, this parameter is calculated by analyzing the basic parameters of the ADS system and the composition and mass percentage of each component, and this data is used to lock in subsequent schemes.

[0056] Step 106: Compare the core subcriticality with the target core subcriticality. If the relative error is less than the preset error value, then lock the transmutation MA fuel composition scheme corresponding to the experimental data.

[0057] During the comparison, the relative error can be obtained by dividing the difference between the core subcriticality and the target core subcriticality by the target core subcriticality. When the relative error is less than the preset error value, it indicates the required core subcriticality of the fuel scheme with that component ratio, thus enabling rapid locking and ending subsequent calculations.

[0058] Figure 2 A flowchart illustrating the steps of the ADS system transmutation MA fuel scheme locking method provided by this invention is shown. Please refer to [link / reference]. Figure 1-2 The following provides some specific implementation methods for this embodiment.

[0059] Specifically, as a preferred embodiment, step 106, which involves comparing the core subcriticality with the target core subcriticality, further includes:

[0060] Step 107: If the relative error between the core subcriticality and the target core subcriticality is greater than the preset error value, then change the experimental data and repeat the above calculation and comparison steps.

[0061] If the relative error between the core subcriticality and the target core subcriticality is greater than the preset error value, it means that the fuel scheme does not meet the requirements and can be discarded. The next fuel scheme can be obtained to calculate the composition input and mass input. The calculation and comparison are repeated until a fuel scheme with a relative error that meets the requirements is obtained.

[0062] As a preferred embodiment, please refer to Figure 2 The database parameters should include at least the reactor structural parameters, material parameters, mass, mass percentage, density, and core subcriticality statistical error of each component in the fuel.

[0063] As a preferred embodiment, in terms of data calculation and processing, step 102, the step of filtering database parameters, specifically includes:

[0064] Based on the sensitivity coefficient, the data in the database parameters are filtered one by one to remove insensitive parameters and obtain the required parameters.

[0065] This elimination step can effectively reduce the number of parameters, thereby reducing the amount of computation and improving the accuracy of subsequent core subcriticality.

[0066] Preferably, in step 103, the component parameter file containing the component ratios between MA and other components in the component input specifically includes:

[0067] Extract the component parameters of MA, plutonium, and inert matrix from the component input;

[0068] Generate the required composition parameter file based on the composition parameters of MA, plutonium, and the inert matrix.

[0069] The component input includes at least the component parameters of MA, plutonium, and the inert matrix.

[0070] Preferably, in step 104, extracting the quality parameter file containing the mass ratio between MA component and other components from the mass input specifically includes:

[0071] Extract the mass parameters of MA, plutonium, and inert matrix from the component input;

[0072] Generate the required mass parameter file based on the mass parameters of MA composition, plutonium composition, and inert matrix.

[0073] The mass input includes at least the mass parameters of MA, plutonium, and the inert matrix.

[0074] As a preferred embodiment, in this embodiment, the preset error value is 1‰, that is, when the relative error between the core subcriticality and the target core subcriticality is less than the preset error value, the fuel scheme can be locked.

[0075] The advantage of this embodiment lies in its ability to rapidly lock onto the fuel scheme by processing and summarizing the basic parameter inputs, composition inputs, and mass inputs of each component in the transmutation MA subcritical reactor fuel scheme. The core subcriticality is calculated, and the accuracy is determined by comparison to ensure compliance with error requirements. This method enables rapid locking onto the fuel scheme of the ADS system transmutation MA subcritical reactor, improving computational efficiency, reducing related computational energy consumption, simplifying research procedures, avoiding numerous invalid calculations, reducing human error, and improving the locking efficiency of the ADS system transmutation MA subcritical reactor fuel scheme.

[0076] Example 2:

[0077] Figure 3 A structural block diagram of the electronic device provided in Embodiment 2 is shown.

[0078] Please see Figure 3 This embodiment provides an electronic device 300, which includes a processor 310, a memory 320, a communication interface, and a communication bus. The processor 310, the memory 320, and the communication interface communicate with each other through the communication bus. The processor 310 includes at least a basic parameter processing unit 311, a composition parameter processing unit 312, a mass parameter processing unit 313, a core subcriticality processing unit 314, and a comparison unit 315.

[0079] The basic parameter processing unit 311 is used to extract database parameters from the basic parameter input, filter the database parameters, and summarize and fit them to obtain the processed database parameters. The component parameter processing unit 312 is used to extract component parameter files containing the proportions of MA component and other components from the component input. The mass parameter processing unit 313 is used to extract mass parameter files containing the mass proportions of MA component and other components from the mass input.

[0080] In terms of computational processing, the core subcriticality processing unit 314 receives the processed database parameters, composition parameter files, and mass parameter files, and calculates the core subcriticality based on these parameters; and

[0081] The comparison unit 315 is used to compare the subcriticality of the reactor core with the subcriticality of the target reactor core. When the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked.

[0082] Preferably, the electronic device 300 also includes:

[0083] The input unit is used to acquire basic parameter inputs, target core subcriticality inputs, and experimental data.

[0084] The electronic device 300 can be used to execute the ADS system transmutation MA fuel scheme locking method in Example 1, thereby realizing the rapid locking of the ADS system transmutation MA subcritical reactor fuel scheme, improving computational efficiency, reducing related computational energy consumption, and simplifying the research process.

[0085] Example 3:

[0086] This invention provides a storage medium storing at least one executable instruction that, when executed on an electronic device, causes the electronic device to perform the ADS system transmutation MA fuel scheme locking method described in Embodiment 1 above.

[0087] Executable instructions can be used to cause an electronic device to perform the following operations:

[0088] Acquire basic parameter inputs, target core subcriticality inputs, and experimental data, including at least composition and mass inputs;

[0089] Extract the database parameters from the basic parameter input, filter and process the database parameters, and summarize and fit them to obtain the processed database parameters;

[0090] Extract components from the input of a component parameter file containing the proportions of MA component and other components;

[0091] Extract the mass parameter file containing the mass ratios between MA and other components from the mass input;

[0092] The core subcriticality is calculated based on the processed database parameters, composition parameter files, and quality parameter files.

[0093] The subcriticality of the reactor core is compared with that of the target reactor core. If the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked.

[0094] The algorithms or displays provided herein are not inherently related to any particular computer, virtual system, or other device. Furthermore, the embodiments of this invention are not directed to any particular programming language.

[0095] Numerous specific details are set forth in the specification provided herein. However, it will be understood that embodiments of the invention may be practiced without these specific details. Similarly, for the sake of brevity and to aid in understanding one or more aspects of the invention, in the description of exemplary embodiments of the invention above, various features of the embodiments are sometimes grouped together in a single embodiment, figure, or description thereof. The claims, which follow the detailed description, are hereby expressly incorporated into that detailed description, wherein each claim itself is a separate embodiment of the invention.

[0096] Those skilled in the art will understand that the modules in the device of the embodiment can be adaptively changed and placed in one or more devices different from that embodiment. Modules, units, or components in the embodiment can be combined into a single module, unit, or component, and further, they can be divided into multiple sub-modules, sub-units, or sub-components, except that at least some of such features and / or processes or units are mutually exclusive.

[0097] It should be noted that the above embodiments are illustrative of the invention and not restrictive, and that those skilled in the art can devise alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses should not be construed as limiting the claims. The word "comprising" does not exclude the presence of elements or steps not listed in the claims. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In the unit claims enumerating several means, several of these means may be embodied by the same item of hardware. The use of the words first, second, and third, etc., does not indicate any order. These words can be interpreted as names. The steps in the above embodiments, unless otherwise specified, should not be construed as limiting the order of execution.

Claims

1. A method for locking MA fuel scheme in an ADS system, characterized in that, The method includes: Acquire basic parameter inputs, target core subcriticality inputs, and experimental data, including at least composition and mass inputs; Extract the database parameters from the basic parameter input, filter and process the database parameters, and summarize and fit them to obtain the processed database parameters; Extract components from the input of a component parameter file containing the proportions of MA component and other components; Extract the mass parameter file containing the mass ratios between MA and other components from the mass input; The core subcriticality is calculated based on the processed database parameters, composition parameter files, and quality parameter files. The subcriticality of the reactor core is compared with that of the target reactor core. If the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked. The component input includes at least the component parameters of the minor actinide nuclides, the component parameters of plutonium, and the component parameters of the inert matrix; The mass input includes at least the mass parameters of the minor actinide nuclides, the mass parameters of plutonium, and the mass parameters of the inert matrix.

2. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The process of comparing the core subcriticality with the target core subcriticality also includes: If the relative error between the core subcriticality and the target core subcriticality is greater than the preset error value, then change the experimental data and repeat the above calculation and comparison steps.

3. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The database parameters include at least reactor structural parameters, material parameters, mass, mass percentage, density, and core subcriticality statistical error of each component in the fuel.

4. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The filtering process for database parameters includes: Based on the sensitivity coefficient, the data in the database parameters are filtered one by one to remove insensitive parameters and obtain the required parameters.

5. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The component parameter file containing the proportions of MA component and other components in the component extraction input includes: Extract the component parameters of MA, plutonium, and inert matrix from the component input; Generate the required composition parameter file based on the composition parameters of MA, plutonium, and the inert matrix.

6. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The quality parameter file containing the mass ratio between MA component and other components in the extracted quality input includes: Extract the mass parameters of MA, plutonium, and inert matrix from the component input; Generate the required mass parameter file based on the mass parameters of MA composition, plutonium composition, and inert matrix.

7. The ADS system transmutation MA fuel scheme locking method according to claim 1, characterized in that, The preset error value is 1‰.

8. An electronic device, characterized in that, The device includes a processor, a memory, a communication interface, and a communication bus. The processor, the memory, and the communication interface communicate with each other via the communication bus. The processor includes at least: The input unit is used to acquire basic parameter inputs, target core subcriticality inputs, and experimental data. The basic parameter processing unit is used to extract the database parameters from the basic parameter input, filter and process the database parameters, and summarize and fit them to obtain the processed database parameters. The component parameter processing unit is used to extract the component parameter file containing the component ratios between the MA component and other components from the component input. The quality parameter processing unit is used to extract the quality parameter file containing the mass ratios between MA component and other components from the quality input. The core subcriticality processing unit receives processed database parameters, composition parameter files, and mass parameter files, and calculates the core subcriticality based on these parameters. The comparison unit is used to compare the subcriticality of the reactor core with that of the target reactor core. When the relative error is less than the preset error value, the transmutation MA fuel composition scheme corresponding to the experimental data is locked.

9. A storage medium, characterized in that, The storage medium stores at least one executable instruction, which, when executed on an electronic device, causes the electronic device to perform the operation of the ADS system transmutation MA fuel scheme locking method as described in any one of claims 1-7.

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