AP1000核电厂氢气点火器功能分析

林千, 周全福

林千, 周全福. AP1000核电厂氢气点火器功能分析[J]. 原子能科学技术, 2012, 46(1): 89-93. DOI: 10.7538/yzk.2012.46.01.0089
引用本文: 林千, 周全福. AP1000核电厂氢气点火器功能分析[J]. 原子能科学技术, 2012, 46(1): 89-93. DOI: 10.7538/yzk.2012.46.01.0089
LIN Qian, ZHOU Quan-fu. Analysis of AP1000 Hydrogen Igniter Performance[J]. Atomic Energy Science and Technology, 2012, 46(1): 89-93. DOI: 10.7538/yzk.2012.46.01.0089
Citation: LIN Qian, ZHOU Quan-fu. Analysis of AP1000 Hydrogen Igniter Performance[J]. Atomic Energy Science and Technology, 2012, 46(1): 89-93. DOI: 10.7538/yzk.2012.46.01.0089

AP1000核电厂氢气点火器功能分析

Analysis of AP1000 Hydrogen Igniter Performance

  • 摘要: 采用集总参数分析程序对AP1000核电厂安全壳内氢气点火系统功能进行了分析和验证。在定义的包络事故工况下,氢气最大瞬时释放速率达300 kg/min。计算表明:在无点火措施情况下,AP1000安全壳局部隔间的氢气浓度较高,隔间内的气体处于可燃状态,且接近爆燃向爆炸转变(DDT)状态;在实施点火措施情况下,氢气浓度得到有效控制,氢气点火系统能消除严重事故下氢气所引起的风险。

     

    Abstract: A lumped parameter code was used to study the AP1000 hydrogen igniter system and demonstrate its performance. In the worst case defined in this paper, the maximum hydrogen release rate was up to 300 kg/min. The results show that, if no ignition is initiated, the hydrogen concentration in some compartment is very high, the gas is burnable and it may induce the deflagration to detonation transition (DDT). While igniters on, and the concentration is reduced below the lower flammable limits. These demonstrate that the igniter system can effectively reduce the risk of hydrogen in severe accident.

     

  • [1] 邓坚,曹学武. 秦山二期核电厂严重事故下安全壳内氢气浓度分布及风险初步分析[J]. 核动力工程,2008,29(2):78-84.
    DENG Jian, CAO Xuewu. Preliminary study of hydrogen distribution and risk under severe accident condition for Qinshan NPP Unit2 containment[J]. Nuclear Power Engineering, 2008, 29(2):78-84(in Chinese).
    [2] 肖建军,周志伟,经荥清. 基于火焰加速和燃爆转变准则的氢气点火安全性研究[J]. 原子能科学技术,2006,40(5):563-569.
    XIAO Jianjun, ZHOU Zhiwei, JING Xingqing. Study on hydrogen ignition safety based on flame acceleration and deflagration to detonation transition criteria[J]. Atomic Energy Science and Technology, 2006, 40(5): 563-569(in Chinese).
    [3] AP1000 design control document, Rev.16[M]. USA: Westinghouse Electric Company, 2007.
    [4] MAAP4.0 user’s manual, Rev.0.15 [M]. USA: EPRI, 1994.
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出版历程
  • 收稿日期:  1899-12-31
  • 修回日期:  1899-12-31
  • 刊出日期:  2012-01-19

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