CN-122022089-A - Nuclear accident emergency planning system, method and medium applied to gas-water comprehensive environment

CN122022089ACN 122022089 ACN122022089 ACN 122022089ACN-122022089-A

Abstract

The specification discloses a nuclear accident emergency planning system, method and medium applied to a gas-water comprehensive environment, and relates to the technical field of nuclear accidents. In the system, a preprocessing module is used for determining and inputting scheme targets, user data, submergence equipment information, ship equipment information, hydrogeological information, resource information, environmental weather data, environmental radiation data and map information into a result evaluation component, and determining radiation environment change data and a plurality of alternatives. The pre-analysis module is used for simulating a user to implement a plurality of alternative schemes respectively based on the radiation environment change data and the user data, simulating data in the process of collecting implementation, and determining weights of radiation data, space-time information, environmental influence, resource state and safety risk. The path planning module is used for determining a scheme to be executed from a plurality of alternative schemes based on the data. Therefore, the system can plan for the user execution scheme in a complex environment of gas-water synthesis.

Inventors

LV MINGHUA
LIU TUANTUAN
LU YING
Lv Xindong
ZHAO DUOXIN
YANG BIAO
SONG YU
LIAN BING
ZHANG JUNFANG
YAO RENTAI
GU ZHIJIE
LI MINGYE
GUO HUAN
NIU YANJING
SHI YUNFENG

Assignees

中国辐射防护研究院

Dates

Publication Date: 20260512
Application Date: 20251229

Claims (10)

1. The nuclear accident emergency planning system applied to the gas-water comprehensive environment is characterized by comprising a preprocessing module, a front-end analysis module and a path planning module; the preprocessing module is used for determining and inputting scheme targets, user data, submergence equipment information, ship equipment information, hydrogeological information, resource information, environmental meteorological data, environmental radiation data and map information into the result evaluation component, and determining radiation environment change data and a plurality of alternative schemes output by the result evaluation component; The pre-analysis module is used for simulating the user to implement the multiple alternatives respectively through a weight analysis model based on the radiation environment change data and the user data, simulating and collecting radiation data, space-time information, environmental influence, resource state and safety risk in the implementation process, and respectively determining weights of the radiation data, the space-time information, the environmental influence, the resource state and the safety risk according to the implementation conditions of the multiple alternatives; The path planning module is used for determining a scheme to be executed from the multiple alternatives based on the radiation data, the space-time information, the environmental influence, the resource state and the weight of the safety risk.
2. The nuclear accident emergency planning system of claim 1, wherein the outcome evaluation component is provided with an environmental analysis sub-item and an implementation planning sub-item; The environmental analysis sub-item is used for analyzing the radioactive pollution diffusion process under the nuclear accident condition according to the environmental meteorological data, the hydrogeological information, the environmental radiation data and the map information to respectively obtain an atmospheric environmental pollution diffusion result and a water environment pollution diffusion result, determining corresponding radiation changes and environment changes within a preset duration, and generating radiation environment change data; The atmospheric environmental pollution diffusion result is used for representing the transmission, diffusion and sedimentation processes of radioactive substances in the air, and the water environmental pollution diffusion result is used for representing the plane diffusion and vertical migration processes of the radioactive substances in the seawater; The environment analysis subitem is divided into a gas-water comprehensive mode and an underwater mode according to a user action mode, and the environment meteorological data and hydrogeological information are comprehensively utilized in the gas-water comprehensive mode to carry out joint analysis on atmospheric environment pollution diffusion and water environment pollution diffusion; The implementation planning sub-item is used for determining a plurality of alternatives corresponding to a user based on the radiation environment change data, the scheme target, the user data, the submergence equipment information, the ship equipment information, the hydrogeology information and the resource information, and converting a continuous pollution diffusion analysis result into executable action constraint parameters corresponding to the alternatives based on the atmospheric environment pollution diffusion result and/or the water environment pollution diffusion result, wherein the action constraint parameters at least comprise a recommended travelling direction, a recommended operation depth, an allowed stay time length, an area to be avoided and a risk prompt level.
3. The nuclear accident emergency planning system of claim 1, wherein the radiation data characterizes an amount of radiation experienced by the user during an implementation, and an accumulated amount of radiation by the user; The space-time information characterizes mileage which the user needs to travel in the implementation process and the required time; The environmental impact characterizes the environmental weather data, geographic information of an implementation route; the resource state represents drinking water, iodine tablets, foods, tools and medicines which can be obtained in the implementation process; The security risk characterizes security risks other than radiation that a user may be subjected to during implementation.
4. The nuclear accident emergency planning system according to claim 1, wherein the path planning module is configured to determine, through a solution analysis model, solution scores of the multiple alternatives based on the radiation data, the spatial-temporal information, the environmental impact, the resource status, and the weight of the security risk, and determine, as the solution to be executed, the alternative with the highest solution score; The weights of the radiation data, the space-time information, the environmental influence, the resource state and the safety risk are not preset, but are dynamically generated by a pre-analysis module based on simulation execution results of various alternatives, so that different alternatives adopt different evaluation weight configurations in the scheme scoring process; The input of the plan analysis model includes the user data, the resource information, and the radiation environment variation data.
5. The nuclear accident emergency planning system according to claim 4, wherein the preprocessing module is configured to determine and input hydrogeologic information, resource information, environmental meteorological data, environmental radiation data, and map information into the outcome evaluation component in real time, and determine radiation environmental change data output by the outcome evaluation component in real time; The path planning module is used for determining scheme scores of the plurality of alternatives based on radiation environment change data determined in real time.
6. The nuclear accident emergency planning system according to claim 5, wherein the preprocessing module is configured to determine and input user data, submergence device information, ship device information, hydrogeological information, resource information, environmental weather data, environmental radiation data, and map information into the outcome evaluation component in real time during the traveling process of the user, and determine radiation environment variation data output by the outcome evaluation component and a plurality of remaining schemes corresponding to the user in real time, wherein a starting point of the remaining schemes is a real-time position of the user; The path planning module is used for determining a scheme to be executed from the plurality of residual schemes based on radiation environment change data determined in real time, and based on the radiation data, space-time information, environmental influence, resource states and weights of safety risks, and updating the scheme to be executed.
7. The nuclear accident emergency planning method applied to the gas-water comprehensive environment is characterized by comprising the following steps of: Determining and inputting scheme targets, user data, submergence equipment information, ship equipment information, hydrogeologic information, resource information, environmental weather data, environmental radiation data and map information into a result evaluation component, and determining radiation environment change data and a plurality of alternative schemes output by the result evaluation component; based on the radiation environment change data and the user data, simulating the user to implement the multiple alternatives respectively through a weight analysis model, simulating radiation data, space-time information, environmental influence, resource state and safety risk in the implementation process, and respectively determining weights of the radiation data, the space-time information, the environmental influence, the resource state and the safety risk according to the implementation conditions of the multiple alternatives; And determining a scheme to be executed from the plurality of alternatives based on the radiation data, the space-time information, the environmental impact, the resource state and the weight of the safety risk.
8. A computer readable storage medium, characterized in that the storage medium stores a computer program which, when executed by a processor, implements the method of claim 7.
9. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method of claim 7 when executing the program.
10. A computer program product, characterized in that instructions in the computer program product, when executed by a processor of an electronic device, cause the electronic device to perform the method of claim 7.

Description

Nuclear accident emergency planning system, method and medium applied to gas-water comprehensive environment Technical Field The specification relates to the technical field of nuclear accidents, in particular to a nuclear accident emergency planning system, method and medium applied to a gas-water comprehensive environment. Background In emergency response after nuclear accident, especially in the ocean nuclear accident scenario, traditional emergency response decision and path planning systems face unique challenges. The offshore environment is complex and changeable, various dynamic factors such as water flow direction, wind speed, wind direction, sea wave and the like are involved, the radiation diffusion speed of the accident scene is high, the range is wide, and high requirements are provided for the path safety of emergency personnel and equipment. In the prior art, users usually conduct emergency planning, and the effect is poor. In particular, in the case of nuclear accident at sea, the diffusion process of the radioactive substance is simultaneously affected by both the aerodynamic process and the hydrodynamic process at sea. On the one hand, the radioactive aerosol and the gas pollutant are subject to atmospheric diffusion and sedimentation under the action of wind speed, wind direction and atmospheric stability, and on the other hand, the radionuclide settled into the seawater is subject to water diffusion along with ocean current, tide and vertical mixing process, and a high-dose accumulation area can be formed in local sea areas. The existing nuclear accident result evaluation system can respectively carry out numerical simulation on atmospheric diffusion or water diffusion, but is usually only used as a result display tool, lacks the capability of further converting a diffusion analysis result into offshore action paths, operation modes and safety strategy suggestions, and particularly does not form a special diffusion analysis and decision mechanism aiming at an underwater operation scene, so that the application value of the system in offshore nuclear accident emergency action planning is limited. Disclosure of Invention The specification provides a nuclear accident emergency planning method and device applied to a gas-water comprehensive environment, so as to at least partially solve the problems existing in the prior art. The technical scheme adopted in the specification is as follows: the specification provides a nuclear accident emergency planning system applied to a gas-water comprehensive environment, which comprises a preprocessing module, a front-end analysis module and a path planning module; the preprocessing module is used for determining and inputting scheme targets, user data, submergence equipment information, ship equipment information, hydrogeological information, resource information, environmental meteorological data, environmental radiation data and map information into the result evaluation component, and determining radiation environment change data and a plurality of alternative schemes output by the result evaluation component; The pre-analysis module is used for simulating the user to implement the multiple alternatives respectively through a weight analysis model based on the radiation environment change data and the user data, simulating and collecting radiation data, space-time information, environmental influence, resource state and safety risk in the implementation process, and respectively determining weights of the radiation data, the space-time information, the environmental influence, the resource state and the safety risk according to the implementation conditions of the multiple alternatives; The path planning module is used for determining a scheme to be executed from the multiple alternatives based on the radiation data, the space-time information, the environmental influence, the resource state and the weight of the safety risk. Preferably, the result evaluation component is provided with an environmental analysis sub-item and an implementation planning sub-item; The environmental analysis sub-item is used for analyzing the radioactive pollution diffusion process under the nuclear accident condition according to the environmental meteorological data, the hydrogeological information, the environmental radiation data and the map information to respectively obtain an atmospheric environmental pollution diffusion result and a water environment pollution diffusion result, determining corresponding radiation changes and environment changes within a preset duration, and generating radiation environment change data; the atmospheric environmental pollution diffusion result is used for representing the transmission, diffusion and sedimentation processes of radioactive substances in the air, and the water environmental pollution diffusion result is used for representing the plane diffusion and vertical migration processes of the radioactive substances in the seawa