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Calculation and Analysis Method for Severe Accident Countermeasures of Nuclear Power Plant

A technology for serious accidents and analysis methods, applied in computing, electrical digital data processing, special data processing applications, etc., can solve the problem of not considering prevention and mitigation measures, and achieve the effect of eliminating serious threats and ensuring safety

Active Publication Date: 2016-01-06
CHINA NUCLEAR POWER ENG CO LTD
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Problems solved by technology

[0003] Nuclear power plants currently in service (such as Daya Bay Nuclear Power Plant and Qinshan Nuclear Power Plant) generally only consider the ability to respond to design basis accidents, and do not consider the prevention and mitigation measures under severe accident conditions

Method used

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  • Calculation and Analysis Method for Severe Accident Countermeasures of Nuclear Power Plant
  • Calculation and Analysis Method for Severe Accident Countermeasures of Nuclear Power Plant
  • Calculation and Analysis Method for Severe Accident Countermeasures of Nuclear Power Plant

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Embodiment Construction

[0049] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0050] This embodiment takes the Ling Ao Phase II nuclear power project as the description object, and introduces the specific content of the calculation and analysis of the serious accident countermeasures of the Ling Ao Phase II nuclear power project.

[0051] like figure 1 As shown, the nuclear power plant severe accident countermeasure calculation and analysis method provided by the present invention includes the following contents:

[0052] (a) Severe accident dominant sequence selection

[0053] In order to carry out the calculation and analysis of severe accident countermeasures, and to study the prevention and mitigation measures in the case of severe accidents, it is necessary to select the dominant event sequence as the research object. The selection process of the dominant event sequence is as follows:

[0054] (1) With reference to dome...

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Abstract

The invention relates to the nuclear power plant design technology, particularly to a severe accident countermeasure computing and analyzing method for a nuclear power plant. According to the method, severe accident development process and main phenomena of an important event sequence possibly leading to a severe accident are computed and analyzed, the capability of the nuclear power plant for dealing with the severe accident is systematically and comprehensively evaluated, and actual preventive and mitigation measures possibly taken in the severe accident in a project are determined and demonstrated, so that failure of a containment vessel of the nuclear power plant caused by the severe accident can be avoided.

Description

technical field [0001] The invention relates to the design technology of nuclear power plants, in particular to a calculation and analysis method for serious accident countermeasures of nuclear power plants. Background technique [0002] Although the probability of serious accidents at nuclear power plants is low, there have been many serious accidents in history so far. The Three Mile Island accident in the United States, the Chernobyl accident in the former Soviet Union, and the recent serious accident at the Fukushima Daiichi nuclear power plant caused by the earthquake and tsunami have had a profound impact on nuclear power development strategies and political decisions in various countries. This has received widespread attention from global nuclear safety authorities and the International Atomic Energy Agency. All countries have realized that the possibility of serious accidents cannot be completely ruled out, but the most important one is to strengthen the ability of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 王世民刘建平元一单陈巧艳詹经祥陈耀东汪俊韩晓峰赵博孙凤堵树宏
Owner CHINA NUCLEAR POWER ENG CO LTD
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