| 二次侧非能动余热排出系统设计及验证分析 |
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| 引用本文： | 陈薇,张亚男,曹夏昕,阎昌琪,张往锁. 二次侧非能动余热排出系统设计及验证分析[J]. 中国核电, 2012, 0(2): 118-125 |
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| 作者姓名： | 陈薇 张亚男 曹夏昕 阎昌琪 张往锁 |
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| 作者单位： | [1]哈尔滨工程大学核科学与技术学院,黑龙江哈尔滨150001 [2]国家核电技术有限公司,北京100029 [3]中国核电工程有限公司,北京100840 |
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| 摘 要： | 提出了一种新型非能动余热排出系统(PRHRS)设计方案,该方案以高位水箱为最终热阱,采用在蒸汽发生器二次侧建立自然循环的方式间接地带走堆芯余热。以大亚湾核电站主冷却剂系统为载体,用RELAP5/MOD3.2程序分析了全厂断电事故下,PRHRS的运行特性。结果表明:事故发生后,余热排出系统内可较快地建立起循环流动,带走蒸汽发生器二次侧热量,在一段时间内保证反应堆安全,证明系统设计合理、有效。并分析了换热器布置高度、系统投入时间及换热面积对余热排出系统运行特性的影响。
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| 关 键 词： | 非能动 余热排出系统 全厂断电 |
Design and Demonstration Analysis on Secondary Side Passive Residual Heat Removal System |
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| CHEN Wei,ZHANG Ya-nan,CAO Xia xin,YAN Chang-qi,ZHANG Wang suo. Design and Demonstration Analysis on Secondary Side Passive Residual Heat Removal System[J]. China Nuclear Power, 2012, 0(2): 118-125 |
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| Authors: | CHEN Wei ZHANG Ya-nan CAO Xia xin YAN Chang-qi ZHANG Wang suo |
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| Affiliation: | 1. College of Nuclear Science and Technology, Harbin Engineering University, Harbin of Heilongjiang Prov. 150001, China; 2. State Nuclear Power Technology Co., Ltd., Beijing 100029, China; 3. China Nuclear Power Engineering Co., Ltd., Beijing 100840, China) |
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| Abstract: | A new secondary side passive residual heat removal system （PRHRS） was designed, which used high-level tanks as the heat sink and remove residual heat by natural circulation at secondary side of steam generator. Based on the reactor coolant system of Daya Bay NPP, the characteristics of PRHRS during station blackout （SBO） were analyzed by RELAP5/MOD3.2 code. It is shown that core residual heat is able to be removed effectively by natural circulation at secondary side and the capacity of system can be assured by the PRHRS which is rationally designed. In addition, factors, such as the location of passive heat exchangers, the startup time of PRHRS, and the surface of heat exchangers affecting the capability of residual heat removal were analyzed. |
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| Keywords: | passive residual heat removal system station blackout （SBO） |
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