TW557447B - Nuclear emergency countermeasure system and nuclear emergency countermeasure training system - Google Patents

Abstract

The subject invention relates to a nuclear emergency countermeasure system, which identifies the cause of an accident and plans an evacuation countermeasure when the accident occurred. This system includes an operating information acquiring part 1 which acquires the operating information of a nuclear facility, a correlation data base 2 which stores the correlation information between the operating information of the nuclear facility and the cause of each accident in advance, and a cause identifying part 3 which identifies the cause of the accident according to the operating information acquired by the operating information acquiring part 1 and the correlation information stored in the correlation data base 2.

Description

557447 A7 B7 V. Description of the Invention (i) Reference to related application cases This application is based on Japanese Patent Application Specification No. 2002-013332 filed on January 22, 2002 and claims its priority benefits. Can be used as a reference for the following. BACKGROUND OF THE INVENTION 1. Technical Field of the Invention The present invention relates to a nuclear emergency response system in case of an accident at a nuclear facility such as a nuclear power plant, a nuclear fuel processing facility, a nuclear fuel reprocessing facility, and a radioactive waste storage facility. Formulate evacuation plans and other countermeasures; and a nuclear emergency response training system to prepare evacuation training plans for various preset accidents. 2 Relevant skills Description When an accident occurs at a nuclear facility, it must be analyzed for the accident, and its impact on the surrounding environment must be predicted and evaluated to quickly grasp the situation. In addition, when the impact of the accident may spread across a wide range, in order to ensure residents Safety and reassurance of the public, it is even more important to immediately formulate a clear evacuation plan and implement it. In response to the above requirements, a variety of nuclear emergency response systems have been developed so far, including the Japanese Ministry of Economy, Trade and Industry's EERS system (Emergency Response Support System) and the Ministry of Education, Culture, Sports, Science and Technology's SPEEDI system (Emergency Information Forecasting) System for Prediction of Environmental Emergency Dose Information), according to the ERSS system manual published in July 2001 (commissioned by the Nuclear Safety and Security Agency of the Ministry of Economy, Trade and Industry of Japan, produced by the Nuclear Power Generation Technology Agency of the Japan Consortium) and January 2001 The published SPEEDI system manual (entrusted by the Ministry of Education, Culture, Sports, Science and Technology of Japan, said -4-This paper size applies to China National Standard (CNS) A4 (210 X 297 mm) binding

557447 A7 I 丨 --------- -B7_ V. Description of the invention () Produced by the Sub-safety Technology Center), and its content is summarized as shown in Figure 1. In the block structure diagram of FIG. 1, the information display section 91, the meteorological observation data calculation section 92, and the accident analysis section 93 belong to the EERS system, and the radiation exposure prediction Shao 94 belongs to the SPEEDI system. The S information was obtained at 91, and the plant information of the target nuclear facility was acquired. The acquired plant information will be displayed on the screen and output to the accident analysis department 93. The meteorological observation data calculation unit 92 calculates a function required by the radiation exposure prediction unit 94 for calculation of the exposure based on the meteorological observation data accumulated in the past, and outputs the result to the radiation exposure prediction unit 94. The accident analysis unit 93 uses the MAPP code of the public code (Code) to perform analysis based on the plant information output from the information display unit 91 to predict the progress of the accident and the source item (Source Tem). The so-called source term is the prerequisites for analyzing the exposure level of radionuclides released as a result of accidents, including the types of radionuclides released, the amount of each nuclear species released, the time when each nuclear species started to be released, and the release duration. time. The radiation exposure prediction section 94 performs the next six hours based on the function data obtained from the meteorological observation data output from the meteorological observation data calculation section (:), Yuan wind speed field calculation, concentration system calculation, and line # prediction calculation. According to the radiation exposure prediction result made by the radiation exposure prediction section 94, a clear evacuation plan γ has been determined. 然而 ^ However, such a nuclear emergency response system is shown in the system shown in Figure 丨, where the accident analysis section 93 The radiation exposure prediction section 94 is independent of each other. Therefore, the radiation exposure prediction section 94 performs radiation exposure separately: binding

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The third project is to provide a nuclear emergency response system

^ It is possible to presume an accident in advance, and perform light according to a preset accident content ^ ^ ^ (Simulation) ^ # ^ ^ ^ ^ ^ ^ tj [J Project. To achieve the above object, the present invention proposes the following means. That is, the first aspect of the present invention is a nuclear emergency response system. In order to achieve the first and second objectives described above, in the event of an accident at a nuclear facility, it is identified based on the operation information of the nuclear facility. The cause of the accident and the evacuation countermeasures are formulated for the accident; it has: means for obtaining operation information, which is used to obtain the operation information of nuclear facilities; and a correlation database, which stores the operation information and various types of nuclear facilities in advance. Correlation information about the cause of the accident; and the cause of the accident is expected, which is based on the operation information obtained by the operation information acquisition means and the correlation information stored in the correlation database when the accident occurred at the nuclear facility , Identify the cause of the accident. The second aspect of the present invention is the nuclear emergency response system of the first aspect, in order to achieve the first and second items described above, it has: a sequence search means, which is stored in advance corresponding to The accident sequence of each cause of the accident Bei Xun's accident sequence database (SeqUence Data Base) and the method of identifying the cause of the accident, and from the accident sequence database, search the accident sequence information corresponding to the identified cause of the accident. A third aspect of the present invention is the nuclear emergency response system according to the second aspect, wherein in order to achieve the above-mentioned first and second objectives, the method includes a source term determination method based on an accident searched by an accident sequence search method. Serial __- 7- This paper size applies to China National Standard (CNS) A4 (21〇X 297 public love) Binding

557447

Information to determine the source item information about the leaked radioactive information in the corresponding cause of the accident; the linear distribution calculation method is based on the source item information determined by the source item determination method to calculate the radiation released by the radioactive energy The radiation quantity distribution; and the radiation exposure prediction method, which predicts the radiation exposure around the nuclear facility based on the radiation quantity distribution calculated by the radiation quantity distribution calculation method. The fourth aspect of the present invention is the nuclear emergency response system of the second aspect, in order to achieve the above-mentioned first and second objectives, and includes: a source term determination means, which is based on a search by an accident sequence search means. Accident sequence information, to determine the source of information about the leaked radioactive information in the corresponding cause of the accident; airflow distribution analysis method, which analyzes the three-dimensional airflow distribution around the nuclear facility based on the weather forecast information around the nuclear facility; diffusion State 1 analysis means is a nuclear facility that releases radioactive energy according to the cause of the incident corresponding to the analysis of the three-dimensional gas 7 distribution analyzed by the airflow distribution analysis method based on the source item information determined by the source item determination method. Peripheral < three-dimensional atmospheric diffusion state; line quantity distribution calculation method is based on the three-dimensional atmospheric diffusion state of radioactive energy analyzed by the diffusion state analysis means, and calculates the linear volume of radiation emitted by this radioactive energy; and light Pre-exposure exposure 丨 hand & it is based on the line f calculated by the line volume distribution calculation method Cloth, predicted radiation around nuclear facilities subject to exposure. The fifth form of the present invention is the nuclear emergency response system of the first form. In order to achieve the above first and second objectives, the system has: accident analysis means, which is based on the means of identifying the cause of the accident. Identified the cause of the accident, and analyzed the corresponding accident, and obtained the cause of the accident regarding the release of the paper standard applicable to the national standard of China ^^ (21〇― 二 ------ 6 V. Description of the invention ( Source information of radioactive energy information; line quantity distribution calculation method, which calculates the line quantity distribution of radiation released by radioactive energy based on the source item information obtained by accident analysis methods; and means of radiation exposure, which are Based on the line volume distribution calculated by the line volume distribution calculation means, the radiation exposure around the nuclear facility is predicted. The sixth aspect of the present invention is the nuclear emergency response system according to the first aspect, where the first and second aspects are achieved. The purpose is to have an accident analysis means, which is to analyze the corresponding accident according to the cause of the accident expected by means of the cause of accident identification, and obtain the cause of the accident. In the cause, there is information about the source of the information about the release of radioactive energy; the analysis method of airflow distribution is based on the prediction information of the M image around the nuclear facility to analyze the three gaseous mud fractions around the nuclear facility ;, It is based on the source item information obtained through the accident analysis method and the secondary 7L airflow distribution analyzed by the airflow distribution analysis method, and analyzes the corresponding causes of the nuclear facilities surrounding the nuclear facility that have released f energy in the cause of the accident. The three-dimensional atmospheric diffusion state; the linear distribution calculation method is based on the three-dimensional atmospheric diffusion state of the radioactive energy analyzed by the diffusion state analysis method, and calculates the radiological distribution of the radiation emitted by this radioactive energy; and the radiation exposure prediction means, which Based on the line volume distribution calculated by the line volume distribution calculation means, the radiation exposure around the nuclear facility is predicted. The seventh aspect of the present invention is a nuclear emergency response system according to any one of the third to sixth aspects, wherein In order to achieve the first and second objectives mentioned above, the evacuation plan is based on the method of The radiation exposure predicted by the radiation exposure prediction method is to formulate an evacuation plan. The eighth aspect of the present invention is a nuclear emergency response system, and its paper size applies the Chinese National Standard (CNS) Α4ϋ (21 〇X 297 public shame Γ -------- 557447

In order to achieve the third item mentioned above, it is a preset nuclear facility_ and an evacuation training plan for the accident, which has: accident name selection hand & 'It is based on the cause information and cause corresponding to various accidents Correspondence of accident sequence information corresponding to various causes of the accident and the accident sequence data memorized in advance, and the accident names stored in the accident sequence database, select the accident name as the object of the evacuation training; From the accident sequence database, search for the cause information corresponding to the accident name selected by the accident name selection hand & accident sequence 歹 J 歹 寸 手 &, from the accident sequence database, search Corresponding accident sequence information corresponding to the cause information searched by means of the cause search method: source term determination means, which is based on the accident sequence information searched by the means of the accident sequence search to determine the relevant cause of the accident. Source information of leaked radioactive information; calculation method of line distribution, which is based on borrowing The source item information determined by the order source item determination method is used to calculate the radiation quantity distribution of the radiation released by the radioactive energy; the radiation exposure prediction method is based on the line quantity distribution calculated by the Saray line quantity distribution calculation method to predict the nucleus Design: Peripheral edge-exposure exposure; and evacuation training plan preparation methods, which are based on radiation exposure predicted by light-exposure exposure prediction methods, and prepare an evacuation training plan. Other functions and advantages of the present invention will be clarified later, and its content can be clearly understood from the description, or can be understood through the embodiments of the present invention. With the means and combinations specifically pointed out in the second paragraph, the present invention and the advantages of the present invention 9 can be realized. The brief description of the drawings is to show that this publication is included and constitutes the patent. _ Please attach the drawings of the specification. -10- The paper size is suitable for the national standard (CNS) A4 specification of the rich countries (21〇297297). 557447 A7 B7

V. Description of the Invention The specific embodiments of the invention, together with the above-mentioned general description and the detailed description of the specific plaster application described later, together explain the principle of the present invention. Figure 1 is a nuclear emergency response system in the prior art. System configuration diagram. Figure 2 is a system configuration diagram showing one example of a nuclear emergency response system related to the first embodiment. 〃 Figure 3 is a schematic diagram showing one example of the diagnosis table (in the case of 10ca). Figure 4 is a schematic diagram showing an example of accident sequence information. Figure 5 is a schematic diagram showing an example of an event tree (Evem Tingblow) for determining source item information (in the case of a rare gas (Gas)). Figure 6 is a diagram showing One example of the event tree for determining source item information (Iodine). Figure 7 is a flowchart showing the operation of the nuclear emergency response system related to the first embodiment. (Flowchart) A system configuration diagram of one example of the π-first nuclear emergency response system related to the sadness. ^ FIG. 9 shows the nuclear emergency response system related to the second embodiment. Modified system configuration diagram. _Shows a system configuration diagram of an example of a nuclear emergency correspondence word training system related to the third embodiment. Figure i 1 is a modification of the nuclear emergency correspondence word training system related to the third embodiment. System structure diagram.

Flow chart of the operation.

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DETAILED DESCRIPTION OF THE INVENTION Various embodiments of the present invention will be described with reference to the drawings. (First Embodiment) First, a first embodiment of the present invention will be described with reference to Figs. 2 to 7. Fig. 2 is a system configuration diagram of an example of a nuclear emergency response system related to the first embodiment.

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That is to say, the nuclear emergency response system related to the present implementation mode includes computers such as Personal Computer. When an accident occurs at a nuclear facility, the accident is identified based on the operation information of the nuclear facility. The cause of the accident, and a system for evacuation countermeasures for the accident, and has: a correlation database (correlation DB) for the operation information acquisition department 2, a cause identification department 3, an accident sequence database (accident sequence DB) 4, an accident Sequence search section 5, source term determination section 6, airflow distribution analysis section 7, diffusion state analysis section 8, line distribution calculation section 9, radiation exposure prediction evaluation section 10, and evacuation plan preparation section u. The operation information acquisition department 1 obtains operation information from nuclear facilities in real time (Real Time), and outputs the acquired operation information to the accident cause identification department 3. This operation information means that when the nuclear facility is a nuclear power plant, for example, it is equivalent to the internal output distribution of the furnace core, the internal pressure of the primary cooling system, the internal pressure of the storage container, the temperature of the primary cooling material, and the internal temperature of the storage container. And distribution = environmental radiation green dendrite measurement data obtained from a monitoring post around the facility. $ Correlation DB2 pre-stores the operation information of the target nuclear facility and the correlation information of the cause of each accident, which is shown in the diagnostic table of _ example in Figure 3. -12-

557447 A7 B7 5. Description of the invention (1Q) That is, as shown in Fig. 3, a diagnosis table is shown, which shows the conditions for the establishment of each case in the case of a cooling material loss accident (LOCA). The conditions for the establishment of LOCA are shown in items (1) to (5) shown in Figure 3. In condition (1), (a) the CV gas monitor (Gas Monitor) is high, (c) the CV benevolence monitor is high, _ ( e) the area monitor in the furnace is high, (f) the CV air lock is high, (g) the CV pressure is high, SI, and) the water level of the pressurizer is low, and均为 When the pressure of the pressurizer is low and SI is established, the evaluation level is A, and it is determined that LOCA did occur. Similarly, in the establishment condition (2), when (a) the CV gas monitor is high, (g) the CV pressure is high SI, and ○) the water level of the pressurizer is low, the evaluation level is also A, and judged LOCA does happen. When each of the establishment conditions (3) to (5) is satisfied, the evaluation level is B. The evaluation level B is an evaluation result indicating the possibility of LOCA. Correlation DB2 will not only memorize this diagnosis table in the case of LOCA, it will also be given whenever other accidents such as steam generator heat pipe breakage accident (SGTR), water supply loss accident and all AC power loss accidents (SBO) occur. memory. In the case of an accident at a nuclear facility, the cause identification unit 3 will identify the cause of the accident based on the operation information obtained by the operation information acquisition unit 1 and the diagnosis table stored in the correlation DB2, and The evaluation result is output to an accident sequence search unit 5. As for the identification method of the cause of the accident, specifically, the logical accident identification method is adopted. The description of the logical accident identification method is as follows. The so-called logical accident identification method is a method of identifying the cause of the accident by referring to the items defined in the diagnosis table based on the operation information obtained by the operation information acquisition unit 1. For example, the operating capital obtained in the operation information acquisition department 1 -13- This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) 557447 A7

In the news, when the ⑻cv gas monitor is high, (c) the CV benevolence monitor is high, (e) the furnace is loose, the zone monitor is high, and the ⑴CV air lock is divided into zone monitors. (G) CV pressure is high SI ① When the water level of the pressurizer is low and the low pressure of the pressurizer §1 is established, the cause of the accident is identified as LOCA, and the result of the clock presser is output to the accident sequence search unit 5. The accident sequence DB4 stores in advance an accident sequence corresponding to each cause of the accident, as the data of the event tree type illustrated in FIG. 4. The so-called event tree is shown in FIG. 4, for example: (A) "Are there any small fractures LOCA?", (B) "Success or failure of the nuclear furnace trip (Trip)?", And (C) "Successful water supply. Or failed? ", (D)" Success or failure of the high-pressure injection system? ", (F)" Success or failure of the low-pressure injection system and high-pressure injection system? ", (G) r Storage container spraying system injection success or failure. ? ", (H)" Success or failure of high pressure recirculation? "," Success or failure of low pressure recirculation? ", And (J)" Success or failure of spray container recirculation? " Tree scenario analysis of accident sequence (Scenario). By using such an event tree that is memorized in advance based on the causes of various accidents, and comparing the operating status of the nuclear facility with each event one by one, the pass and expansion of the accident can be predicted. The accident sequence search unit 5 searches the accident sequence DB4 for the accident sequence information corresponding to the cause of the accident identified by the accident cause identification 3, and further, based on the found accident sequence, further analyzes the operation status of the nuclear facility and the accident sequence. Each event is compared one by one to predict the end and expansion of the accident. For example, the cause of the accident was LOCA, and the operating status of the nuclear facility was: (A) "a small fracture occurred LOCA", (B) "the nuclear furnace was successfully started," (c) — -14 _ Cai ss family standard _ 714 specifications (⑽χ 297 公 董) ------

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k "Success in auxiliary water supply", (D) "Success in high pressure injection system", (F) "Success in low pressure injection system and high pressure injection system", (G) "Success in spraying injection system of storage container", (H) "High pressure recirculation" "Failure", "Low pressure recirculation failure", and (J) "Failure of spraying recirculation of the storage container", the accident scenario shown in Fig. 4 will occur, and the furnace core will be judged to have melting doubts. The accident sequence The search Shao 5 outputs this determination result to the source item determination section 6. In addition, after receiving the prediction information manually input by the operator, the 'accident sequence search unit 5 can perform a case study (Case Stuciy) based on the manually input prediction information. The source term determination Shao 6 determines that the event corresponding to the accident UJ brother judged by the accident sequence search unit 5 uses the event tree for the source term as shown in Fig. The source item information of the radiological-related information released by the cause of the accident is output to the diffusion state analysis unit 8. The event tree for determining source item data in one of the examples shown in Fig. 5 and Fig. 6 also includes: (A) "Is the degree of furnace core damage large / medium / small?" Effect? ", (C)" Does it have a re-evaporation effect, (d; "Does it have a precipitation effect inside the container?" (E) "Does it have a spray effect?", (F) "Is the container broken or leaking? ", (G)" Does it have a ring filter (A_1US Filterm result? ", Etc.), and the situation after tree analysis of the sequence of the results of the source 2 of the shadow. Θ Even if the accident situation is the same, the source item information will be It varies according to the type. Taking the case of rare gas and iodine as an example, even if the accident situation of the two is the same, it will still be as shown in Figure 5 and Figure 6 + 々Α. No, each has a different -15-557447.

Event tree for source information determination. In the case of rare gases, as shown in Fig. 5 π, the source terms are determined only by (A) "degree of core damage" and (F) "storage state of storage container". In contrast, the situation of iodine is shown in Fig. 6, which consists of (A) "degree of furnace core damage", (B) "primary system precipitation effect", (c) "re-evaporation effect", ①) "storage container Internal precipitation effect ", (E)" spray effect ", (F)" storage state of storage container "and (G)" ring filter effect "determine the source terms. This kind of event tree, which is memorized in accordance with the accident situation of each cause of the accident, is used to compare the operating status of the nuclear facility with each event, thereby determining the source term in the accident situation. The airflow distribution analysis unit 7 analyzes the three-dimensional airflow distribution around the nuclear facility based on the weather forecast information around the target nuclear facility, and outputs the analysis result to the diffusion state analysis unit 8. As for meteorological forecast information, NOAA uses publicly available information (National Oceanic and Atmospheric Administration, National

Oceanic and Atmospheric Administration) or meteorological materials provided by the Meteorological Bureau. In addition, the analysis of the distribution of secondary gas and mud can use publicly available calculation codes, such as using RAMS (Regional Weather Modeling System, Regionai Atmospheric Modeling System). According to rams, it can be reproduced due to structures or terrain. The resulting flow direction, the surface boundary layer formed by trees or rough ground, the atmospheric stability caused by the temperature difference between land, sea, and air, and the thermal budget generated by the effects of insolation and radiation. The diffusion state analysis unit 8 analyzes the three-dimensional airflow distribution around the nuclear facility analyzed by the airflow distribution analysis unit 7 based on the source item information output from the source item determination unit 6 and analyzes the identification by the accident cause identification unit 3. The cause of the accident -16- This paper size applies to China National Standard (CNS) A4 specifications (21 × 297 mm)

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557447 Fifth invention description (A7 B7 14 Q releases the three-dimensional atmospheric diffusion state around the nuclear facility, and the analysis result is output to the line quantity calculation unit 9. The analysis of this three-dimensional atmospheric expansion can be calculated publicly Code, for example, (Hybrid Particle and Concentration Transport Model). This HYPACT system calculates particle swarm deposition under gravity (dry precipitation), precipitation under rain (wet precipitation), and radiation. The attenuation of energy, and the rise of exhaust gas caused by the effect of thermal energy / energy, etc., can be used to determine the spatial concentration distribution. Also (the position of the particles obtained from the analysis of the three-dimensional atmospheric diffusion state) Besson 'sf 4 The radiation distribution of the radiation released by this granular radioactive energy, and the calculation result is output to the radiation exposure prediction evaluation unit 10. Light According to the radio-exposure prediction evaluation section, according to the line-volume distribution calculated by the line-volume-distribution calculation section 9, corrections are performed around the target mule facility. Measure and evaluate 'and output the evaluation results to the avoidance drawing preparation department ... f's consideration factors of the radiation exposure prediction evaluation department' include the radioactive cloud radiation, the radiation dose of Shendian radioactive material, and the internal name I caused by inhalation. Tian ray 1 ϋConsidering the shielding effect of buildings, etc., in addition, it can also analyze the system of the next forty person hours, the selection of spanning several square meters to thousands of ^ ^ kilometers, and the introduction of calculation methods. The evacuation plan preparation unit 11 prepares the evacuation plan based on the non-radiation exposure evaluation performed by the radiation exposure prediction evaluation unit 10, that is, refers to the borrowed exposure prediction evaluation department's job data evaluation system. ,or

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Hours of forecasting and analysis, analysis of surnames, and selection of solutions from Wu, tens of millions of meters to thousands of square kilometers can reduce the exposure plan for ㈣ exposure conditions. Correspondence system = 上 = 户 7 The nuclear emergency state is shown in a flowchart shown in FIG. 7. ’The nuclear emergency response system related to this embodiment will obtain the operation information and monitoring station of the nuclear plant in real time through the ^: communications department 1 and output it to the cause identification department 3⑻). When the accident cause identification department 3 枋 + μ, A point t warrior, when the nuclear accident and her accident occurs, it will obtain the operation information and environmental information obtained from the operation and environmental information, and memorize the correlation. The diagnostic table in DB2 uses a logical accident identification method to identify the cause of the accident, and outputs the results to the accident sequence search section 5 (S2). The accident sequence search unit 5 searches the accident sequence information (%) corresponding to the cause of the accident identified by the accident cause identification unit 3 from the accident sequence 0] 34, and further performs the operation of the nuclear facility based on the accident sequence information. The states are compared with each event of this accident sequence one by one to predict the end and expansion of the accident, that is, the accident situation, and output the prediction result to the source term determination unit 6 (S4). The source term determination unit 6 according to the output From the accident scenario of the accident sequence search unit 5, the event tree used for determining the foot of the source item is used to determine the source item information of the relevant information about the radioactive energy released by the corresponding cause of the accident, and the determination result is output to the diffusion state. Analysis unit 8 (S5). The diffusion state analysis unit 8 analyzes the source item information output from the source item determination unit 6 and the three-dimensional airflow distribution around the nuclear facility. The analysis is based on the incident. 18- This paper applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 557447 A7 B7 V. Description of the invention (Three-dimensional atmospheric diffusion state of the radioactive energy released by the cause of the accident identified by the cause identification unit 3 around the nuclear facility, and the analysis result is output to the line quantity distribution calculation unit 9 ( S6). In addition, the three-dimensional airflow distribution around the nuclear facility is based on the weather forecast information around the nuclear facility, and the result obtained by the analysis by the airflow distribution analysis unit 7 is used. The line quantity distribution calculation unit 9 is based on the diffusion state. The particle position information obtained by analyzing the analysis result of the second-dimensional atmospheric diffusion state radiated by the analysis unit 8 is used to calculate the radiation quantity distribution (s7) of the radiation emitted by the granular radiant energy, and the calculated result is output. To the light exposure exposure prediction evaluation unit 10. The radiation exposure prediction evaluation unit 10 performs an object based on the line volume distribution calculated by the line volume distribution calculation 9 Radiation exposure prediction evaluation of surrounding nuclear facilities (S8). The factors considered by this radiation exposure prediction evaluation department include the radiation dose from radioactive clouds, the radiation dose from deposited radioactive materials, and the internal radiation dose from inhalation due to inhalation. In addition, it also considers the shielding effects of buildings and so on, and can further predict and analyze the next 48 hours, as well as the selection of fines spanning several square to thousands of square kilometers, which can be analyzed by introducing a parallel calculation method. In a short period of time, it will be $ 10, and all the evaluation results will be output to the evacuation plan preparation section 11. —Evacuation plan preparation section 丨 丨 Refer to the filial projection exposure evaluation conducted by the light exposure evaluation system That is, the prediction and analysis of the future + 丨 Mumu forty-eight hours, or the selection analysis results spanning a few square meters to thousands of square meters w " Totoro Wan A li, is planned to avoid evacuation in time to reduce the exposure of round shots Plan (S9). As described above, the nuclear emergency response system related to this embodiment uses the above-mentioned function to first identify the accident using a logical accident-fixed method.

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Observing the original Q 不同于, unlike the previous technology to directly check the accident sequence based on operating information, instead of starting with the identification of the cause of the accident, in this way, not only the correlation DB2 only needs to include the diagnosis necessary to identify the cause of the accident. Table's can save (C0mpact) related, the memory capacity of Chen gift, can more accurately identify the cause of the accident. In addition, unlike in the past, in order to review the sequence of accidents based on the causes of the accidents identified in this way, it is necessary to review the sequence of accidents for different causes of accidents, so the time required to review the sequence of accidents can be shortened. Then, according to the predicted accident situation, the source item information can be obtained. In this way, the process of obtaining the source item information is carried out in stages: first, the cause of the accident is determined, and the cause of the incident is reviewed by Qian Gen, and then obtained. The source item information 'by this method' can disperse and store the necessary data in the correlation DB2 and the accident sequence DB4, compared with the case where all the data is stored in one database, it can shorten the search data Time; and can get the source item information accurately. By performing radiation exposure prediction based on the source item information thus obtained, it is possible to accurately make radiation exposure predictions in accordance with actual conditions, so a safe evacuation plan that can reduce the radiation exposure during evacuation can be drawn up. . In addition, when new insights are generated and a new diagnosis table and a new accident sequence are produced according to it, it can also be easily added to the correlation and accident sequence DB4 to be included in the cause identification and accident sequence. Search for a job. In this case, for example, only a new diagnostic table is added to the correlation DB2 to include the identification of the cause of the accident, which is applicable in any case, so it has a high degree of flexibility.

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18 V. Description of the Invention ((Second Embodiment) Next, the second embodiment of the present invention will be described using FIG. 8 to FIG. 9. ^ Shows the system configuration of one of the nuclear emergency response systems related to the second embodiment. Figures are the same as those in Figure 2 and their descriptions are omitted, and only the different parts will be described here. That is, the nuclear emergency response system related to this embodiment is the same as that of the first embodiment. A modified example of the emergency response system includes the accident sequence deletion, the accident sequence search unit 5 ', and the replacement source determination unit and the accident analysis unit 20 of the nuclear emergency response system shown in Fig. 2. The accident analysis unit 20 is based on Use the cause of the accident identified by the cause identification section 3 to analyze the accident of the corresponding accident, determine the situation of the accident, and predict the end and expansion of the accident, and then use the response to the accident based on the determined accident situation An event tree for determining source item information as shown in Figs. 5 and 6 is prepared in a situation to determine the radioactive energy released corresponding to the cause of the accident. Source information of related information, and output the judgment result to the diffusion state analysis unit 8. In other words, in the first embodiment, the accident sequence information corresponding to each cause of the accident is stored in advance in the accident sequence DB4 *, Then search and extract the accident sequence information corresponding to the cause of the accident, and determine the source item information based on the extracted accident sequence information. On the contrary, the difference between this embodiment and the first embodiment is that this embodiment The morphology analyzes the accident sequence information based on the identified cause of the accident, and further determines the source item information based on the analysis result. With this structure, it is also possible to deal with the accidents that are not memorized in the accident sequence DB4-21-This paper standard applies to China National Standard (CNS) A4 specification (210X297 public love) 557447 A7 B7 V. Description of invention (sequence to determine source item information. In addition, the structure of FIG. 8 has an accident analysis unit 20 to replace the nucleus shown in FIG. 2 The accident sequence DB4, the accident sequence search unit 5, and the source determination unit 6 of the emergency response system, but as shown in FIG. 9, Regarding the addition of the accident analysis unit 20 to the nuclear emergency / brother correspondence system shown in FIG. 2, the method described in the first embodiment or any of the methods described in this embodiment is used to determine Source item information is all feasible. (Third embodiment) The following describes a nuclear emergency response system according to a third embodiment of the present invention using Figs. 10 to 12 '. Fig. 10 shows a nuclear emergency response according to a third embodiment. One example of the system is a system configuration diagram. That is, the nuclear emergency response system related to this embodiment is a scenario in which an accident occurs at a nuclear facility, and an evacuation planner is prepared for the accident and has an accident sequence database ( Accident sequence DB) 丨 2, Accident name selection section 13, Causation search section 14, Accident sequence search section 15, Source term determination, 16, Line distribution calculation section 17, Radiation exposure prediction evaluation section 18, and Evacuation training Planning Department 19. The accident sequence DB12 is a database in which the accident name, the cause information corresponding to each accident, and the event sequence information corresponding to each cause are stored in advance. The accident name selection unit 13 selects the accident name and the cause of the accident (the hypothetical accident) as evacuation targets from the accident names stored in the accident sequence DB12, and outputs the selected accident name and the cause of the accident to Zhao-22. -This paper size applies to China National Standard (CNS) A4 (210X297 mm)

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557447 A7 B7 V. Explanation of the invention (Cause search section 14. The cause search section 14 searches the accident sequence DB12 for the accident name selected by the accident name selection Shao 13 and the cause of the accident corresponding to the name of the accident. 'And output the found cause information to the accident sequence search unit 15. The accident sequence search unit 15 searches the accident sequence DB12 for the accident sequence information corresponding to the cause information found by the cause search unit 14, The searched accident sequence information is output to the source item determination unit 16. The source item determination unit 16 prepares in advance according to the accident sequence determined by the accident sequence search unit 15 according to the accident situation as shown in Figs. 5 and 6 The event tree shown in the source item information judgment is used to determine the source item information corresponding to the radiation-related information released by the cause of the accident 'and output the determination result to the line quantity calculation calculation Shao 17. Regarding the determination method performed here, The determination method is the same as that performed by the source item determination section 6 described in the first embodiment. 5 and FIG. 6 shows an example of an event tree for determining source item information. The accident condition selection section 13 is responsible for inputting selection conditions for each event, and the accident situation is determined according to the selection conditions input from the accident name selection section 13. The radiation quantity calculation unit Π calculates the radiation quantity distribution of the radiation emitted by the radioactive energy based on the source radiation determined by the source radiation determination unit 16 and outputs the difference calculation result to the radiation receiver. Exposure estimation and evaluation unit 18. In addition, the linear volume distribution meter 4 is representative of three-dimensional atmospheric diffusion state data in advance, and uses the source item information determined by the source item determination unit 16 and the three-dimensional atmospheric dispersion state. 23- Alternatively, as shown in Fig. ，, there may be a gas analysis unit 7 and a diffusion state analysis unit 8 as described in the first embodiment, and a root mammography prediction is performed by the airflow distribution analysis unit. Information, analyzes the three-dimensional airflow distribution around the nuclear facility, and outputs the analysis results to the diffusion state analysis unit 8; the diffusion state analysis unit S root 2 comes from the source item 6 Source term information, and the three-dimensional airflow distribution analyzed by the airflow distribution solution 'analysis of the imaginary cause of the accident = = ⑨ "three-dimensional atmospheric diffusion state, and will be analyzed: the physical calculation department Π; and then calculated by the linear distribution The unit 17 uses the source term information determined by the source term: 16 and the output self-diffusion state analysis unit 8 to measure the atmospheric diffusion state for a long time, thereby performing line quantity calculation. ::: Exposure prediction evaluation unit 18 The calculation department calculates the internal distribution, 'evaluates the radiation exposure prediction and evaluation department based on the radiation exposure measurement system based on the radiation exposure model', and outputs the evaluation result to the evacuation training program. Prepare a training plan. The preparation unit 19 prepares an evacuation training plan based on the prediction and evaluation of the radiation exposure by the radiation exposure prediction evaluation unit 18, that is, the reference =% shot $ exposure system evaluation department discharge shot system evaluation, or mile hours Prediction and analysis, analysis results spanning a few square meters to several thousand square meters. 'Effectiveness can reduce the exposure training of light shots. Brother =: The nuclear emergency related to this embodiment with the above structure is urgent. State system Action 'to the flowchart shown in FIG. 12 will be described. ^ Therefore, the name selection unit 13 'selects the accident (the hypothetical accident) as the object of the evacuation training from the accident Funakata which is memorized in the accident sequence. (This standard applies 24-24 mm) 557447 A7 B7 V. Description of the invention (of The name of the accident and the cause of the accident (Si 1). The selected name of the accident and the cause of the accident will be output to the cause of the accident search section 14. Then 'corresponding to the information of the cause of the accident selected by the accident name selection section 13, will be borrowed The accident cause search unit 14 searches from the accident sequence OB12, and outputs the searched cause information to the accident sequence search unit 15 (S12). The accident sequence search unit 15 searches from the accident sequence DB12 for the corresponding loan The accident sequence information of the cause information searched by the accident cause search unit 14 is outputted to the source item determination unit 16 (S13) with the accident sequence information obtained by the technology brother. The source item determination is based on the search by the accident sequence. The sequence of accidents found by Ministry 5 is determined according to the event tree used for determining the source item information shown in FIG. 5 and FIG. 6 to determine the release corresponding to the cause of the accident. Source item information of the radio-energy related information, and the determination result is output to the line quantity distribution calculation section 17 (S14). The line quantity distribution meter 17 calculates the amount of radiation emitted based on the source item information determined by the source item determination section 16. The radiation quantity distribution of the radiation is output to the # §Evaluated exposure exposure estimation and evaluation section 18 (M5). The radiation exposure prediction evaluation Shao 18 is based on the radiation distribution calculated by the radiation distribution calculation section 17 and imitates radiation. The exposure prediction evaluation unit 10 performs a nuclear facility = edge radiation exposure prediction evaluation, and outputs the evaluation result to the evacuation training plan preparation unit 19 (S16). The evacuation training plan preparation unit 19 refers to # 射 受The light projection exposure evaluation provided by the Exposure Forecast Evaluation Department, or the forecast analysis of the next four + hours, and the selection analysis results spanning a few square meters to thousands of square kilometers, are planned to reduce the light exposure during evacuation. Evacuation training plan (sl7). As mentioned above, the nuclear emergency situation related to this embodiment corresponds to the training department-25-

557447 A7

Ϊ Therefore, the role of the upper room is to predict the accident situation in advance, and to predict the exposure of the spokes according to the imaginary and its causes, and go forward— 纟 based on its exit training plan. Additional advantages and amendments will accompany the mature technology. Therefore, the broad features in the present invention shall not be limited to the details and specific drawings disclosed and described in this application. Under the spirit and field of the general inventive concept as defined in its homogeneous documents, different amendments may be proposed in the future. -26-

Claims (1)

557447 ABCD ι · A nuclear emergency response system, which is special and concise in that in the event of an accident at a nuclear facility, the cause of the accident is identified based on the operation information of the nuclear facility, and evacuation countermeasures are formulated for the accident It also has: means for obtaining operation information, which obtains the operation information of the aforementioned nuclear facilities; a correlation database 'it is' which previously stores the operation information of the aforementioned nuclear facilities, and relevant information on the cause of the various accidents mentioned above ; And the means of identifying the cause of the accident, which is to identify the accident according to the operation information obtained by the operation information acquisition means described above and the correlation information memorized in the aforementioned correlation database when the accident occurred in the aforementioned nuclear facility. Cause of the accident. 2. For example, the nuclear emergency response system and system in the scope of application for patent, in which: the accident sequence database 'which stores in advance the accident sequence information corresponding to each of the causes of the accident; and the accident sequence search means, which is From the aforementioned accident sequence database, search for accident sequence information corresponding to the cause of the accident identified by the aforementioned means of identifying the cause of the accident. 3. For example, the nuclear emergency response system in item 2 of the patent scope, where: The source item determination means is based on the accident sequence information searched by the aforementioned accident sequence search means to determine the corresponding cause of the release. Source item information of radiological related information; Line f distribution calculation method, which is based on the source item information determined by the aforementioned source item determination method, to calculate the radiation released by the aforementioned radioactive energy27- This paper is in accordance with Chinese national standards (CNS) A4 specifications (210X297 attack) The line volume distribution of the line; and 转: Exposure prediction method, which calculates the line summer distribution based on the line volume distribution, and predicts the double exposure of the radiation around the nuclear facilities.核 The nuclear emergency response system of item 2 of the patent scope, the system, of which: & the source item determination means, which is based on the accident sequence searched by the aforementioned accident sequence search hand Η: greedy Corresponding source information of radiological-related information released by the cause of the accident; 7 U 77 cloth analysis means' It is based on the weather forecast information around the aforementioned nuclear facilities to analyze the three-dimensional airflow distribution around the aforementioned nuclear facilities; Responsibility analysis means is based on the analysis of the corresponding cause of the accident based on the source item 3 Fan determined by the aforementioned source item and the weight of the person and the distribution of a person's vitality and mud by 77 kg of the aforementioned airflow distribution analysis means. The three-dimensional atmospheric diffusion state of the released nuclear energy around the aforementioned nuclear facilities; the method of measuring the amount of radiation is based on the three-dimensional atmospheric diffusion state of the radioactive energy analyzed by the aforementioned diffusion state analysis method, and the radiation is calculated. The radiation volume distribution of the radiation that can be released; and the means for predicting the exposure and exposure, which is calculated based on the aforementioned radiation distribution. Calculated from the distribution curve, _ the light emitted by the exposure amount provided iv nuclear side. 5 · If the scope of patent application is the first! The nuclear emergency response system of Xiang Xiang, among them: Accident analysis means, according to the cause of the accident identified by the above-mentioned cause of the accident to determine the cause of the accident analysis, corresponding to the -28- This paper standard applies to China豕 Standard (CNS) A4 specification (210X297 public director) Obtain the radioactive energy released by the cause of the accident, which is comparable to the source item information of the Ba Nidou M 4 related cargo news; 7 ^ 77 t & which calculates the aforementioned radiation according to the item information obtained by the aforementioned accident analysis means t The amount of radiation that can be released < ray volume distribution; and I It is based on the aforementioned radiation volume distribution calculation manual to predict the radiation exposure exposure method of the nuclear facilities around the nuclear radiation facilities, and also the resulting radiation distribution. For example, the nuclear emergency response system for item 1 of the scope of patent application, where: Accident analysis means is to analyze the corresponding accident according to the cause of the accident determined by the aforementioned cause-of-accident identification method, to transfer the accident Source information of radiological-related information released by the cause; Airflow distribution analysis means, which analyzes the three-dimensional airflow distribution around the nuclear facilities according to the weather forecast information around the nuclear facilities; Diffusion state analysis means, which is based on borrowing Source item information learned from the aforementioned accident analysis method 'and the one / into-air flow distribution analyzed by the aforementioned airflow distribution analysis method, analyzing the three-dimensional surrounding the nuclear facilities corresponding to the radioactive energy released by the aforementioned cause of the accident Atmospheric diffusion state; Quanli 77 cloth calculation method, based on the three-dimensional atmospheric diffusion state of radioactive energy analyzed by the aforementioned diffusion state analysis method, calculates the radiation quantity distribution of the radioactive energy released by this radioactive energy; and Exposure prediction method based on the aforementioned linear distribution I count the hand count and the amount of different lines and left foot on the distribution of nuclear facilities around the previous forecast by radiation exposure amount. -29- This paper size applies to China National Standard (CNS) A4 specification (210 X 297 public love) 557447 A8 B8 C8 8. As in any of the patent application scope items 3 to 6, in which:-the nuclear ^ emergency situation for shoulder refuge films & "means", it is based on Predicted radiation exposure, develop a nuclear emergency response training system :: the situation of an accident at the facility, and prepare an avoidance plan for the accident, and have: an accident sequence database, which is pre-memorized with: The database of the accident name, the cause information corresponding to each accident, and the accident sequence information corresponding to each cause are related to each other; the accident name selection means is the accident name memorized from the aforementioned accident sequence database, Select the name of the accident as the object of the evacuation training; The search method of the original cause of the accident is to search for the cause information of the accident corresponding to the accident name selected by the aforementioned accident name selection means from the aforementioned accident sequence database; Means, which is obtained from the aforementioned accident sequence database. Accident sequence information of cause information; Source term determination method 'It is based on the accident sequence information searched by the aforementioned accident sequence search means to determine the source item information of the radiological related information released by the corresponding cause; The calculation method of line quantity distribution is based on the source item determined by the aforementioned source item determination method, and accounts for the radiation released by the aforementioned radioactive energy. -30- This paper applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) Binding 557447 A8 B8 C8 D8 The line quantity distribution of the six patent application lines; the round shot exposure prediction method is to predict the radiation exposure around the nuclear facilities based on the line quantity distribution calculated by the aforementioned line quantity distribution calculation method; and The evacuation training plan formulation means is based on the radiation exposure predicted by the aforementioned radiation exposure prediction means to formulate an evacuation training plan. -31-This paper size applies to China National Standard (CNS) A4 (210X 297mm)