【摘要】：對(duì)于核電站而言，安全是一切的基礎(chǔ)，安全分析起著尤為重要的作用。本文首先對(duì)國內(nèi)外核電廠概率安全分析的發(fā)展現(xiàn)狀和主要內(nèi)容進(jìn)行了梳理，歸納分析了核電廠概率安全分析的分級(jí)及流程，結(jié)合實(shí)際對(duì)概率安全分析方法、動(dòng)態(tài)可靠性方法進(jìn)行了闡述。分析指出了傳統(tǒng)靜態(tài)概率安全分析的弱點(diǎn)：不能反映設(shè)備運(yùn)行狀態(tài)下失效概率的變動(dòng)，為此本文在靜態(tài)概率安全分析的基礎(chǔ)上，使用動(dòng)態(tài)可靠性方法，以設(shè)備冷卻水系統(tǒng)失效無法帶出事故工況下的設(shè)備余熱事件為分析對(duì)象，根據(jù)設(shè)備冷卻水系統(tǒng)的主要設(shè)備及運(yùn)行序列，建立靜態(tài)故障樹模型和動(dòng)態(tài)故障樹模型，并利用risk-spectrum軟件進(jìn)行計(jì)算，從而得出核電廠設(shè)備冷卻水系統(tǒng)的靜態(tài)和動(dòng)態(tài)失效概率，并找出引起可靠性變化的關(guān)鍵點(diǎn)，予以重點(diǎn)關(guān)注。 通過本課題工作明確了概率安全分析中重點(diǎn)關(guān)注事項(xiàng)、過程及設(shè)備冷卻水系統(tǒng)的重點(diǎn)關(guān)注設(shè)備，為山東省內(nèi)核電站后續(xù)的安全監(jiān)管和綜合監(jiān)管奠定基礎(chǔ)。
[Abstract]:For nuclear power plants, safety is the basis of all, safety analysis plays a particularly important role. In this paper, the development status and main contents of probabilistic safety analysis of nuclear power plants at home and abroad are reviewed, the classification and flow of probabilistic safety analysis of nuclear power plants are summarized and analyzed, and the methods of probabilistic safety analysis are combined with the practical methods of probabilistic safety analysis. The dynamic reliability method is described. The weakness of the traditional static probabilistic safety analysis is pointed out: it can not reflect the change of the failure probability under the operating state of the equipment. Therefore, based on the static probabilistic safety analysis, the dynamic reliability method is used in this paper. According to the main equipment and running sequence of the equipment cooling water system, the static fault tree model and the dynamic fault tree model are established according to the main equipment and operation sequence of the equipment cooling water system, taking the equipment waste heat event of the equipment cooling water system failure as the analysis object. The risk-spectrum software is used to calculate the static and dynamic failure probability of cooling water system of nuclear power plant equipment, and the key points which cause the change of reliability are found out, and the emphasis is paid to the failure probability of cooling water system of nuclear power plant. Through this work, the key points of concern in probabilistic safety analysis, the key equipment of cooling water system in process and equipment are defined, which lays a foundation for the safety supervision and comprehensive supervision of nuclear power plants in Shandong Province.
【學(xué)位授予單位】：中國地質(zhì)大學(xué)（北京）
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2014
【分類號(hào)】：TM623

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