应急堆芯冷却系统

根据CARR的实际情况，对应急堆芯冷却系统的停堆冷却措施和典型事故进行了分析，论证了该系统是如何在正常停堆和事故停堆状态下实现非能动堆芯冷却的。

Based on the real condition of CARR , this paper also analyzed the typical accidents and the shutdown cooling of the ECCS , and demonstrated how the ECCS carded out the passive cooling at normal and accidental shutdown .

应急堆芯冷却系统是核电站工程安全设施的一个组成部分。

The emergency core cooling system is a component part of engineered safety feature of a nuclear power plant .

CARR应急堆芯冷却系统停堆冷却措施分析

Analysis of Cooling Measures for ECCS at CARR Shutdown

本文以核安全法规和导则为前提，以满足系统功能为基础，首先介绍了CARR应急堆芯冷却系统的功能、主要参数和流程。

This paper first introduced the function , main parameters and flow chart of the CARR ECCS , consider - ing the nuclear safety code and guide .

停堆冷却过程中运行时间最长、问题最复杂的是应急堆芯冷却系统投入冷却阶段，是整个冷却过程中最关键的阶段。

The second phase is the most important one in total cooling process for that it is operated on the most complicated condition and at the longest period .

安全壳再循环地坑滤网是核电厂安全系统的重要设备，再循环工况下它的工作状况直接影响到安全注射系统（应急堆芯冷却系统）、安全壳喷淋系统的正常运行。

The recirculating pit filter in containment is an important equipment of safety system in nuclear power plant . In the recirculating condition , it influences the operation of emergency reactor core cooling system and spray system in containment .

本文应用阶段任务分析法建立了应急堆芯冷却系统的综合故障树，求得应急堆芯冷却系统无效度的精确解。

In this paper , we construct the synthetic fault tree of emergency core cooling system by using phased mission analysis method , calculate the exact so - lution of the unavailability of emergency core cooling system , and present two approximate calculating techniques .