Rapid analysis scheduling method and system for nuclear accident emergency response stage

Abstract

The invention belongs to the technical field of nuclear emergency, and discloses a rapid analysis scheduling method for a nuclear accident emergency response stage, and the method comprises the steps: rapidly calling a database analysis result, displaying an accident situation, and generating a preliminary countermeasure suggestion in a rapid research and judgment stage at the initial stage of an accident; during nuclear accident emergency response, according to an accident state analysis result, a source item calculation result and a nuclear accident evaluation result, a corresponding emergency plan is quickly searched from a nuclear emergency plan library, and decision-making problem background data is provided to assist in making key points clear and modifying and perfecting a model, so that the nuclear accident emergency response is realized. Multidisciplinary knowledge such as a computer technology, management science and an artificial intelligence technology is comprehensively utilized, a nuclear emergency command decision technology based on knowledge engineering, a scheme is listed and other modes are established, an analysis result is displayed in a two-dimensional and three-dimensional geographic information system, and decision support is provided for commanders and professionals.

Description

Technical Field

[0001] The present invention belongs to the technical field of nuclear emergency response, and in particular relates to a rapid analysis and dispatching method and system for a nuclear accident emergency response phase. Background Art

[0002] According to the modular and distributed development concept of nuclear emergency command information system construction, the decision-making support system is built by each department of the agency according to the business direction, and provides interfaces for other related business systems. The nuclear emergency command position uses multiple decision-making support multi-heterogeneous analysis software such as accident status analysis, source term calculation analysis, radiation field calculation, radiation consequence evaluation, and countermeasure analysis to carry out detailed analysis and calculation, gradually generate and continuously update decision support information, and finally interconnect to form an overall technical support system.

[0003] In the nuclear accident emergency response process, the command position should receive comprehensive technical support from all professionals. The current technical approach is to deploy and analyze each auxiliary decision-making system separately, that is, the analysis content between the systems is not related, and the nuclear accident emergency response cannot be quickly analyzed and dispatched. Therefore, in the nuclear accident emergency response process, in order to maximize the protection of public interests from or less losses, the nuclear emergency command decision makers need to make nuclear emergency decisions in the shortest time when a nuclear accident occurs. In addition to considering the type and nature of the nuclear accident, the random uncertainty of the meteorological and environmental changes at the nuclear accident site, it is a typical risk-type, unstructured, multi-attribute system decision problem. Therefore, under the complex situation of tight time, great responsibility, and many changes, using scientific decision-making theory, and integrating and processing the accident state analysis data, source item calculation analysis data, radiation field calculation data, radiation consequence assessment data, and countermeasure analysis data, a set of rapid analysis and dispatch methods are designed to provide decision support for nuclear emergency command, which is a key technology developed by the present invention.

[0004] Through the above analysis, the problems and defects of the prior art are as follows: The current technical approach is to deploy and analyze each auxiliary decision-making system separately, that is, the analysis content between each system is not related, and nuclear accident emergency response cannot be quickly analyzed and dispatched. Therefore, for the nuclear accident emergency response process. Summary of the invention

[0005] In view of the problems existing in the prior art, the present invention provides a rapid analysis and scheduling method for the emergency response stage of a nuclear accident.

[0006] The present invention is implemented as follows: a rapid analysis and scheduling method for the nuclear accident emergency response stage comprises: Step 1, accident status analysis; Step 2, source term calculation and analysis; Step 3, radiation field calculation; Step 4, consequence evaluation; Step 5: Countermeasure analysis.

[0007] Further, the accident status analysis: First, simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states into the database; Secondly, call the accident model and find the corresponding accident model through matching calculation according to the accident information; Finally, the accident status model is matched for analysis, and the analysis results are stored in the background database for subsequent calls.

[0008] Further, the source term calculation analysis: First, receive the operating parameter data of the accident site, use the source term calculation method, and combine it with the actual source term data to form an accurate source term of the accident site; Then, the actual source item information is stored in the background database.

[0009] Furthermore, the radiation field is calculated as: The actual source item data in the database and the external environment meteorological data are introduced into the complex mathematical model to obtain the radiation field data, and the radiation field data is stored in the database for subsequent retrieval.

[0010] Furthermore, the consequence evaluation: The radiation field calculation data in the database is called up to bring the radionuclide concentration into the equivalent dose of key organs and tissues, personal whole-body effective dose and collective dose evaluation model to assess the consequences of the impact of radionuclides on relevant personnel.

[0011] Further, the countermeasures are analyzed: First, based on the results of the accident status analysis, combined with the nature of the accident, the development and evolution of the situation, the accident handling plan and expert advice information, an accident handling plan is generated, and accident handling countermeasures are generated after optimization; then, based on the radiation field calculation data and consequence evaluation data, combined with the available emergency protection measures, radiation protection countermeasures are generated.

[0012] Another object of the present invention is to provide a rapid analysis and dispatching system for the nuclear accident emergency response phase, comprising: The accident state analysis module is used to simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states in the database; call the accident model, and find the corresponding accident model through matching calculation according to the accident information; match the accident state model for analysis, and store the analysis results in the background database for subsequent calls; The source item calculation and analysis module is used to receive the operating parameter data of the accident site, use the source item calculation method, and combine the actual source item data to form an accurate source item of the accident site; and store the actual source item information in the background database; The radiation field calculation module is used to bring the actual source data in the database and the external environment meteorological data into a complex mathematical model to obtain the radiation field data, and store the radiation field data in the database for subsequent calls; The consequence assessment module is used to call the radiation field calculation data in the database, bring the radionuclide concentration into the equivalent dose of key organs and tissues and the personal whole-body effective dose and collective dose assessment model, and evaluate the impact of radionuclides on relevant personnel; The countermeasures analysis module is used to generate an accident handling plan based on the accident status analysis results, combined with the nature of the accident, the development and evolution of the situation, the accident handling plan and expert advice information, and generate accident handling countermeasures after optimization; then, based on the radiation field calculation data and consequence evaluation data, radiation protection countermeasures are generated in combination with the available emergency protection measures.

[0013] Another object of the present invention is to provide a computer device, which includes a memory and a processor, wherein the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the steps of the rapid analysis and scheduling method for the emergency response stage of a nuclear accident.

[0014] Another object of the present invention is to provide a computer-readable storage medium storing a computer program, which, when executed by a processor, enables the processor to perform the steps of the rapid analysis and scheduling method for the emergency response stage of a nuclear accident.

[0015] Another object of the present invention is to provide an information data processing terminal, which is used to implement the rapid analysis and scheduling system for the nuclear accident emergency response stage.

[0016] In combination with the above technical solutions and the technical problems solved, the advantages and positive effects of the technical solutions to be protected by the present invention are as follows: First, the purpose of the present invention is to quickly call various systems to provide functions for quickly analyzing the accident status, evaluating the accident consequences, and studying disposal countermeasures for the same nuclear accident in a short period of time, and to provide technical support for nuclear emergency command decision-making under nuclear accidents.

[0017] In the early stage of rapid assessment of an accident, the closest database analysis case can be quickly matched and retrieved based on the initial accident information, and the accident situation can be displayed in combination with atmospheric water data to generate preliminary countermeasures and suggestions. In the emergency response to a nuclear accident, the corresponding emergency plan can be quickly searched from the nuclear emergency plan library based on the accident status analysis results, source term calculation results and nuclear accident evaluation results. By providing background data for decision-making problems, assisting in clarifying key points, modifying and improving models, and comprehensively applying multidisciplinary knowledge such as computer technology, management science and artificial intelligence technology, a nuclear emergency command decision-making technology based on knowledge engineering is established. The analysis results are displayed in two- and three-dimensional geographic information systems through listed plans, etc., to provide decision support for commanders and professionals. Second, as auxiliary evidence of the inventiveness of the claims of the present invention, it is also reflected in the following important aspects: (1) The expected benefits and commercial value of the technical solution of the present invention after transformation are: The present invention can be used for rapid analysis and scheduling of various computing subsystems in nuclear power plant emergency response situations, realizing one-click full-process automatic scheduling, and providing the first result to the nuclear emergency command position in a short time, greatly reducing the time and manpower consumed by operations such as data export and import of each computing subsystem, thus gaining precious time for nuclear emergency response.

[0018] (2) The technical solution of the present invention fills the technical gap in the industry at home and abroad: This invention fills the gap in domestic research. For the first time, it realizes automatic and rapid scheduling of multiple heterogeneous software such as accident status analysis, source term calculation analysis, radiation field calculation, radiation consequence evaluation, and countermeasure analysis, thus filling the gap.

[0019] Third, the technical solution of the present invention solves the following existing technical problems: 1. Low efficiency of nuclear accident emergency response Existing emergency response methods are mostly manually dependent and lack systematic analysis tools. They are unable to quickly obtain the source items, radiation diffusion range and affected areas of nuclear accidents, thus delaying emergency decision-making time.

[0020] 2. Lack of dynamic and accurate radiation diffusion calculation Existing radiation diffusion analysis is mostly based on static or two-dimensional models, which makes it difficult to simulate the dynamic diffusion behavior of radioactive materials in complex three-dimensional space, resulting in insufficient accuracy in radiation field calculations.

[0021] 3. Incomplete assessment of radiation consequences and formulation of countermeasures Traditional evaluation methods lack effective integration with GIS (geographic information system), and are unable to accurately analyze the administrative divisions and population distribution covered by the radiation field, affecting the scientific nature of personnel evacuation and resource scheduling.

[0022] 4. Emergency response decisions lack intelligence and dynamic optimization Existing countermeasures are mostly formulated based on static analysis results, lacking real-time optimization support for dynamically changing scenarios and making it difficult to adapt to complex emergency situations.

[0023] Significant technological advancements: 1. Rapid multi-step integrated analysis improves emergency response efficiency The present invention transforms the nuclear accident emergency response process from manual analysis to automated integrated analysis through the systematic steps of accident status analysis, source term calculation, radiation field calculation, consequence evaluation and countermeasure analysis, thereby greatly shortening the response time.

[0024] The system's modular design supports rapid data processing and multi-step linkage, providing comprehensive and efficient technical support for emergency response.

[0025] 2. Dynamic radiation diffusion calculation model improves analysis accuracy A three-dimensional plume diffusion model is used in combination with multi-threaded computing technology to simulate the diffusion behavior of radioactive materials in complex three-dimensional space in real time.

[0026] The generated gridded radiation concentration field dynamically displays the temporal and spatial variations of radiation diffusion, providing a scientific basis for the accurate prediction of emergency scenarios.

[0027] 3. Combine radiation field with GIS to achieve comprehensive consequence assessment GIS administrative division data is used together with radiation field grid concentration overlay analysis to accurately identify the affected areas and population distribution.

[0028] The generated evaluation results include the coverage area, population size, location of key facilities and risk level, providing quantitative support for emergency resource allocation and personnel evacuation.

[0029] 4. Intelligent countermeasure analysis and dynamic optimization improve scientific decision-making The system automatically generates emergency response plans based on the consequence assessment results, including personnel evacuation routes, resource allocation suggestions and pollution control measures.

[0030] By simulating the impact of different strategies on risk areas, emergency plans are dynamically optimized to ensure rapid adaptability to complex scenarios and scientific decision-making capabilities.

[0031] 5. Data integration and real-time scheduling support multi-scenario applications The system integrates all data on accident status, radiation field calculation, consequence assessment and countermeasure analysis, and supports real-time updates and multiple optimizations.

[0032] The analysis results and scheduling suggestions are displayed through an interactive interface, and users can dynamically adjust countermeasures and quickly deploy action plans based on their needs.

[0033] This invention significantly improves the efficiency and accuracy of nuclear accident emergency response in industrial applications through innovative rapid analysis and dispatching methods. The main technical advances are: Improved efficiency: The entire process from accident status analysis to countermeasure generation is automated, significantly shortening the emergency response time.

[0034] Improved accuracy: Dynamic 3D models and GIS overlay analysis provide high-precision radiation field prediction and consequence assessment.

[0035] Intelligence and dynamic optimization: Support intelligent decision-making in complex emergency scenarios through real-time data updates and simulation optimization.

[0036] These technological advances have provided strong technical support for nuclear accident emergency management, promoted the intelligent development of the nuclear emergency field, and have broad industrial application prospects, including nuclear facility safety management, environmental protection, public safety and other fields. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] Figure 1 It is a flow chart of a rapid analysis and scheduling method for the nuclear accident emergency response stage provided by an embodiment of the present invention.

[0038] Figure 2 It is a flow chart of a radiation consequence assessment method provided by an embodiment of the present invention.

[0039] Figure 3 It is a structural block diagram of a rapid analysis and dispatching system for the nuclear accident emergency response stage provided by an embodiment of the present invention.

[0040] Figure 4 It is a configuration interface diagram of the rapid calculation process of each subsystem task provided by an embodiment of the present invention.

[0041] Figure 5 This is a screenshot of the automatic execution of an emergency quick computing task provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0043] Please refer to Figure 1 , shows a flow chart of a rapid analysis and scheduling method for the nuclear accident emergency response stage according to an embodiment of the present application.

[0044] 1. Accident status analysis Accident status analysis is the first step in nuclear accident emergency response. Accident types and status are quickly identified through simulation and modeling. First, a nuclear accident status model is established, and data information on the types of accidents (such as radioactive material leakage, equipment damage, etc.) is stored in the database. According to the accident information received in real time, the system calls the accident model in the database for matching and quickly locates the corresponding accident status model. The matching results are analyzed in detail, and the analysis data (such as accident scale, scope of impact, etc.) are stored in the background database to provide basic support for subsequent steps.

[0045] 2. Source Term Calculation and Analysis Source term calculation and analysis is an important step in determining the source of radioactive material leakage. According to the results of the accident status analysis, key source term information (such as leakage location, leakage amount, type of radioactive material, etc.) is extracted. Combined with the environmental data of the accident (such as wind speed, temperature, humidity), the radiation diffusion model is used for simulation calculation to generate basic data on the leakage source. The source term analysis results include leakage intensity, leakage duration, and leakage material type, etc. The data will be written to the background to provide support for further calculation of the radiation field.

[0046] 3. Radiation field calculation Radiation field calculation uses source data to simulate the diffusion behavior of radioactive materials in space through the plume diffusion model. Multi-threaded programming technology is used to improve calculation efficiency, divide the three-dimensional space into grids, and calculate the radiation concentration of each grid. Through real-time simulation, a time series radiation concentration field is generated to show the dynamic process of radioactive material diffusion. The calculation results include the radiation concentration and time variation curves of each grid point, and finally form a radiation field data file and store it in the database to provide input data for consequence assessment.

[0047] 4. Consequence evaluation Consequence assessment aims to analyze the potential impact of radiation fields on people, environment and resources. The area and population covered by the affected area are assessed using the radiation field calculation results combined with GIS administrative division data. The system determines the exposure dose levels of high-risk areas (such as densely populated areas) and key facilities (such as hospitals and schools) through overlay analysis, and generates a quantitative evaluation report. The evaluation results include population dose exposure, environmental pollution range and regional risk level, providing a scientific basis for emergency decision-making.

[0048] 5. Countermeasures Analysis Based on the consequence assessment results, the system generates emergency countermeasures, including personnel evacuation, resource allocation, and pollution control measures. Combined with the specific conditions of the affected area, the best action plan is proposed, such as evacuation radius, evacuation route, and medical assistance station settings. For high-risk areas, the system simulates the effects of different control measures (such as closed areas, wind direction control, etc.) and dynamically optimizes emergency response strategies. The results of the countermeasure analysis are displayed in the form of visual charts to help decision makers quickly understand and take action.

[0049] 6. Data integration and scheduling feedback During the entire analysis process, the data generated in each step (accident status analysis, source term calculation, radiation field calculation, consequence evaluation and countermeasure analysis) are integrated into the background database in real time to form a dynamically updated emergency information system. The system displays the analysis results and scheduling suggestions through an interactive interface. Decision makers can adjust the countermeasures according to actual needs and trigger the system to recalculate and optimize. This rapid analysis and scheduling method significantly improves the efficiency and scientificity of nuclear accident emergency response and provides strong technical support for mitigating the impact of accidents.

[0050] like Figure 1 As shown, in step 101, the accident status analysis is completed.

[0051] Preferably, this step can be implemented as follows.

[0052] First, simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states in the database. Maintain nuclear event information uniformly, and formulate system operation plans according to different nuclear-related objects. The operation plan includes seat information, subsystem information, and automatically matches the appropriate system operation plan after the emergency response is initiated.

[0053] a. Configure the characteristic information of nuclear accidents, including digital accident types and characteristic parameters; b. Configure system seat information; c. A rapid model for maintaining the accident status of each subsystem, evaluating accident consequences, and handling countermeasures; Next, in step 102, source term calculation analysis is completed.

[0054] Preferably, this step can be implemented as follows.

[0055] Source term calculation and analysis mainly includes source term estimation and source term correction. Based on the information or simulation information of the nuclear accident, the release of radioactive source terms is estimated, and then the temporal and spatial distribution of radionuclides in the region is analyzed and given.

[0056] The Monte Carlo mathematical model is used to calculate the source term data using the ORIGEN2 program, and the estimated source term is corrected using the measured data.

[0057] Next, in step 103 , the radiation field calculation analysis is completed.

[0058] Preferably, this step can be implemented as follows.

[0059] Predict the distribution and concentration of radionuclides in the environment (atmosphere or water), and estimate the radiation dose and cumulative dose received by people at different locations within the evaluation range. This includes calculations of atmospheric radiation fields and water radiation fields.

[0060] Atmospheric radiation field calculation is mainly aimed at port areas and offshore accident areas, and quickly analyzes and evaluates the expected doses of different personnel within the scope. In addition, the port area also includes an atmospheric fine calculation mode, which is mainly used in the early stage of a nuclear accident to perform fine calculations on the distribution of radioactive nuclides in the atmospheric environment around the port area under nuclear accident conditions.

[0061] The calculation of water radiation field is to predict and analyze the flow field distribution near the accident sea area based on the tide, coastline and seabed topography data of the port where the accident occurred or the ocean current conditions of the sea area where the accident occurred, including the calculation of port area and offshore water body. The calculation of port water body is mainly used to estimate the pollution of water body caused by nuclear accidents in port area, mainly including ocean flow field forecast, nuclide diffusion simulation and dose calculation. The calculation of offshore water body is mainly based on the characteristics of nuclear accidents at sea, combined with the hydrodynamic and ocean current hydrological data of the sea area where the accident occurred, to quickly simulate and calculate the changing characteristics of the concentration distribution range of leaked radioactive substances in seawater, and give the dose results such as the external exposure dose of people immersed in water within the evaluation range.

[0062] like Figure 2 As shown, next, in step 104, a radiation consequence assessment is completed.

[0063] Preferably, this step can be implemented as follows.

[0064] S201, the radionuclide concentration calculated from the radiation field is brought into the equivalent dose of key organs and tissues, personal whole-body effective dose and collective dose evaluation model to calculate the radiation consequence evaluation data.

[0065] Next, in step 105, countermeasure analysis is completed.

[0066] Preferably, this step can be implemented as follows.

[0067] Countermeasures analysis generates accident handling plans based on accident status analysis data, source term calculation analysis data, and radiation field calculation data, combined with information such as the nature of the accident, the evolution of the situation, accident handling plans, and expert advice, and generates accident handling countermeasures after optimization; based on the results of consequence assessment, radiation protection countermeasures are generated in combination with available emergency protection measures. It includes two calculation modes, fast and fine, and consists of nuclear accident process simulation, accident handling countermeasures, and radiation protection countermeasures.

[0068] 1. Nuclear accident process simulation Based on the status of nuclear accidents that have occurred or are assumed, and according to the available intervention means and resources, the above-mentioned calculation program and expert experience are used to simulate the process of nuclear accidents in nuclear reactor devices, and the results are output to the information visualization management subsystem for accident process display, and the disposal plan optimized by simulation is stored in the emergency plan database. Including emergency simulation and daily simulation.

[0069] 2. Accident handling measures It is used to generate countermeasures to prevent the accident from deteriorating, and to control and mitigate the consequences of the accident. In order to apply to the early rapid disposal of nuclear emergencies, the accident disposal plan and the corresponding database can be used to quickly generate accident disposal countermeasures.

[0070] The accident handling countermeasures for nuclear reactor devices are based on the nature of the nuclear reactor device accident, the development and evolution scenario of the event, the safety status of the core and the emergency resources, combined with the accident handling plan and expert advice, to generate an accident handling plan, continuously optimize the plan, provide accident handling countermeasures, and store them in the database.

[0071] 3. Radiation protection measures According to the results of radiation field calculation and radiation consequence assessment, the available emergency protection measures are optimized to generate radiation protection countermeasures. Emergency protection measures analysis mainly analyzes and calculates the expected dose and avoidable dose for different personnel in the early radiation protection measures to be adopted. Radiation protection countermeasures are generated based on the analysis results of early emergency protection measures, taking into account the influence of political, military, economic, social and other factors, and ranking the radiation protection measures in priority, and generating radiation protection countermeasures for emergency workers and the public respectively.

[0072] like Figure 3 As shown, a rapid analysis and scheduling system for the nuclear accident emergency response stage provided by an embodiment of the present invention includes: The accident state analysis module is used to simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states in the database; call the accident model, and find the corresponding accident model through matching calculation according to the accident information; match the accident state model for analysis, and store the analysis results in the background database for subsequent calls; The source item calculation and analysis module is used to receive the operating parameter data of the accident site, use the source item calculation method, and combine the actual source item data to form an accurate source item of the accident site; and store the actual source item information in the background database; The radiation field calculation module is used to bring the actual source data in the database and the external environment meteorological data into a complex mathematical model to obtain the radiation field data, and store the radiation field data in the database for subsequent calls; The consequence assessment module is used to call the radiation field calculation data in the database, bring the radionuclide concentration into the equivalent dose of key organs and tissues and the personal whole-body effective dose and collective dose assessment model, and evaluate the impact of radionuclides on relevant personnel; The countermeasures analysis module is used to generate an accident handling plan based on the accident status analysis results, combined with the nature of the accident, the development and evolution of the situation, the accident handling plan and expert advice information, and generate accident handling countermeasures after optimization; then, based on the radiation field calculation data and consequence evaluation data, radiation protection countermeasures are generated in combination with the available emergency protection measures.

[0073] As the first link of the system, the accident status analysis module is responsible for simulating the nuclear accident status and establishing the accident status model. The system stores all the data of the nuclear accident status types in the database in advance. When a nuclear accident occurs, the module calls the accident model in the database according to the real-time information of the accident, and quickly finds the corresponding accident model and performs status analysis through matching calculation. The analysis results are stored in the background database as structured data, which is convenient for subsequent module calls and processing.

[0074] The source term calculation and analysis module receives the operating parameter data of the accident site and uses advanced source term calculation methods to accurately analyze and extract the actual nuclear source terms at the accident site. The module combines the data actually collected at the site (such as the release amount and type of radionuclides, etc.) to generate source term information that meets the site conditions. This source term information is stored in the background database in a timely manner as an important input basis for radiation field calculation and consequence assessment.

[0075] The radiation field calculation module uses the actual source data generated in the database and the external environmental meteorological data (such as wind speed, humidity, rainfall, etc.) acquired in real time to build a complex mathematical model for radiation field simulation calculation. The calculation results include information such as the spatial distribution and concentration changes of radioactive nuclides in the surrounding environment. These radiation field data are accurately stored in the database to provide basic data support for subsequent personnel protection and consequence evaluation.

[0076] The consequence assessment module uses radiation field calculation data to introduce radionuclide concentration data into the equivalent dose model of key organs and tissues and the personal whole-body effective dose assessment model. Through these evaluation models, the module can quickly assess the potential impact of radionuclides on personnel health, including collective dose assessment and individual exposure dose assessment. These assessment data are stored in the system database to provide a quantitative basis for decision support.

[0077] The countermeasures analysis module generates a preliminary accident disposal plan based on the results of the accident status analysis, combined with the nature of the accident, the trend of the situation, the existing accident disposal plan and expert advice information. Further combined with the radiation field calculation data and consequence evaluation results, a comprehensive assessment of various available emergency protection measures, such as evacuation, resettlement, shielding, etc., is conducted to optimize and form detailed radiation protection countermeasures. The final disposal plan is provided to emergency decision-makers to ensure rapid and efficient accident response.

[0078] This system quickly executes the module calculation tasks through the information data processing terminal. The task execution interface is as follows: Figure 4 and Figure 5 As shown. The computer program running in the memory drives the automatic allocation and efficient completion of tasks in each module. The task flow includes state analysis, source term calculation, radiation field simulation, consequence assessment and countermeasure generation. Finally, the terminal equipment integrated in the system displays all analysis results in a visual form, providing decision makers with intuitive judgment basis and efficient execution capabilities. Through the collaborative work of multiple modules, the system greatly shortens the accident response time and provides effective protection for personnel safety and environmental protection.

[0079] This system meets the rapid decision-making requirements of the nuclear accident emergency response stage through modular functional design and rapid task processing, and provides comprehensive technical support for accident management in complex environments. It should be noted that the embodiments of the present invention can be implemented by hardware, software, or a combination of software and hardware. The hardware part can be implemented using dedicated logic; the software part can be stored in a memory and executed by an appropriate instruction execution system, such as a microprocessor or dedicated design hardware. A person of ordinary skill in the art can understand that the above-mentioned devices and methods can be implemented using computer executable instructions and / or included in a processor control code, such as a carrier medium such as a disk, CD or DVD-ROM, a programmable memory such as a read-only memory (firmware), or a data carrier such as an optical or electronic signal carrier. Such code is provided. The device and its modules of the present invention can be implemented by hardware circuits such as very large-scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, etc., or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., can also be implemented by software executed by various types of processors, and can also be implemented by a combination of the above-mentioned hardware circuits and software, such as firmware.

[0080] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any modifications, equivalent substitutions and improvements made by any technician familiar with the technical field within the technical scope disclosed by the present invention and within the spirit and principle of the present invention should be covered by the protection scope of the present invention.

Claims

1. A rapid analysis and scheduling method for the emergency response stage of a nuclear accident, characterized in that: The following steps are involved: Accident status analysis: Establish a nuclear accident status model and store data on various types of nuclear accidents in the database; match the corresponding accident model according to the accident information, analyze the accident status, and store the analysis results in the background database; Source item calculation and analysis: Extract key source item information based on the accident status analysis results, calculate the leakage intensity, leakage duration and radioactive material type of the leakage source through the radiation diffusion model in combination with environmental data, and generate source item basic data; Radiation field calculation: Using source data, the diffusion behavior of radioactive materials is simulated through a three-dimensional plume diffusion model, multi-threaded programming is used to generate spatial radiation concentration field grid data, and the radiation field data is stored in the database; Consequence assessment: Based on radiation field data and combined with GIS administrative division information, the area, population, key facilities and risk level of the radiation field coverage area are analyzed to generate a quantitative assessment report; Countermeasures analysis: Generate emergency countermeasures based on the consequence assessment results, including personnel evacuation, resource allocation, and pollution control measures, and output dynamically adjusted action plans through simulation and optimization of emergency response strategies; Data integration and scheduling feedback: Integrate all the data generated in the above steps into the background database, display the analysis results and scheduling suggestions through the interactive interface, and support real-time update and re-optimization.

2. The rapid analysis and scheduling method for the nuclear accident emergency response phase as claimed in claim 1, characterized in that: Analysis of the accident status: First, simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states into the database; Secondly, call the accident model and find the corresponding accident model through matching calculation according to the accident information; Finally, the accident status model is matched for analysis, and the analysis results are stored in the background database for subsequent calls.

3. The rapid analysis and scheduling method for the nuclear accident emergency response phase as claimed in claim 1, characterized in that: The source term calculation analysis: First, receive the operating parameter data of the accident site, use the source term calculation method, and combine it with the actual source term data to form an accurate source term of the accident site; Then, the actual source item information is stored in the background database.

4. The rapid analysis and dispatching method for the nuclear accident emergency response phase as claimed in claim 1, characterized in that: The radiation field is calculated: The actual source item data in the database and the external environment meteorological data are introduced into the complex mathematical model to obtain the radiation field data, and the radiation field data is stored in the database for subsequent retrieval.

5. The rapid analysis and scheduling method for the nuclear accident emergency response phase as claimed in claim 1, characterized in that: The consequence evaluation: The radiation field calculation data in the database is called up to bring the radionuclide concentration into the equivalent dose of key organs and tissues, personal whole-body effective dose and collective dose evaluation model to assess the consequences of the impact of radionuclides on relevant personnel.

6. The rapid analysis and dispatching method for the nuclear accident emergency response phase as claimed in claim 1, characterized in that: Analysis of the countermeasures: First, based on the results of the accident status analysis, combined with the nature of the accident, the development and evolution of the situation, the accident handling plan and expert advice information, an accident handling plan is generated, and accident handling countermeasures are generated after optimization; then, based on the radiation field calculation data and consequence evaluation data, combined with the available emergency protection measures, radiation protection countermeasures are generated.

7. A rapid analysis and scheduling system for the nuclear accident emergency response stage implementing the rapid analysis and scheduling method for the nuclear accident emergency response stage as claimed in any one of claims 1 to 6, characterized in that: The rapid analysis and dispatching system for the nuclear accident emergency response phase includes: The accident state analysis module is used to simulate the nuclear accident state, establish the accident state model, and store the data information of various types of nuclear accident states in the database; call the accident model, and find the corresponding accident model through matching calculation according to the accident information; match the accident state model for analysis, and store the analysis results in the background database for subsequent calls; The source item calculation and analysis module is used to receive the operating parameter data of the accident site, use the source item calculation method, and combine the actual source item data to form an accurate source item of the accident site; and store the actual source item information in the background database; The radiation field calculation module is used to bring the actual source data in the database and the external environment meteorological data into a complex mathematical model to obtain the radiation field data, and store the radiation field data in the database for subsequent calls; The consequence assessment module is used to call the radiation field calculation data in the database, bring the radionuclide concentration into the equivalent dose of key organs and tissues and the personal whole-body effective dose and collective dose assessment model, and evaluate the impact of radionuclides on relevant personnel; The countermeasures analysis module is used to generate an accident handling plan based on the accident status analysis results, combined with the nature of the accident, the development and evolution of the situation, the accident handling plan and expert advice information, and generate accident handling countermeasures after optimization; then, based on the radiation field calculation data and consequence evaluation data, radiation protection countermeasures are generated in combination with the available emergency protection measures.

8. A computer device, characterized in that: The computer device includes a memory and a processor, the memory stores a computer program, and when the computer program is executed by the processor, the processor executes the steps of the rapid analysis and scheduling method for the nuclear accident emergency response stage as described in any one of claims 1-6.

9. A computer-readable storage medium storing a computer program, wherein when the computer program is executed by a processor, the processor executes the steps of the rapid analysis and scheduling method for the nuclear accident emergency response stage as described in any one of claims 1 to 6.

10. An information data processing terminal, characterized in that: The information data processing terminal is used to implement the rapid analysis and dispatching system for the nuclear accident emergency response stage as described in claim 7.

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