核电厂回热机组热力系统?分析
Exergic Analysis of Thermal System of Regenerator Unit in Nuclear Power Plant
唐璇 1覃川2
作者信息
- 1. 成都理工大学工程技术学院,乐山 614000;核工业西南物理研究院,成都 610225
- 2. 成都理工大学工程技术学院,乐山 614000
- 折叠
摘要
基于热力学定律对核电厂二回路回热系统进行㶲分析.对回热系统进行控制体的划分,以㶲平衡方程为基础,建立控制体㶲效率矩阵方程和㶲损失方程.对 4 种不同运行工况进行㶲分析计算,将变工况与正常运行工况进行对比分析,结果表明:正常运行工况下,4 号、8 号控制体㶲效率较低;2 号、4 号、8 号控制体㶲损失较高,可以对 2 号、4 号、8 号加热器进行改进;8 号控制体的㶲效率、㶲损失等指标都比较大,因此可对 8 号加热器进行优化改进,以提高回热系统的经济性.
Abstract
Based on the laws of thermodynamics,an analysis of the secondary loop reheating system in nuclear power plants is conducted.Divide the control body of the regenerative system,based on the energy balance equation,establish the efficiency matrix equation and energy loss equation of the control body.Four different operating conditions were analyzed and calculated,and the variable operating conditions were compared with normal operating conditions.The results showed that under normal operating conditions,the efficiency of control bodies 4 and 8 was relatively low;the loss of control bodies 2,4,and 8 is relatively high,and improvements can be made to heaters 2,4,and 8;the efficiency and loss of the No.8 control body are relatively high,so the No.8 heater can be optimized and improved to improve the economy of the reheating system.
关键词
二回路回热系统/㶲分析/㶲效率/㶲损失Key words
second circuit thermal system/exergic analysis/exergic efficiency/exergic loss引用本文复制引用
基金项目
成都理工大学工程技术学院院级基金项目(C122022020)
出版年
2024
NETL
NSTL
万方数据