超超临界机组高加换热管泄漏处理和改进措施  

Leakage and Improvement Measures of High Pressure Heater Exchange Tube in Ultra Supercritical Unit

作　　者：彭浩 胡高斌 薛泳泳 陆伟 蒋柯 PENG Hao;HU Gaobin;XUE Yongyong;LU Wei;JIANG Ke(Jiangsu Guoxin Jingjiang Power Generation Co.,Ltd.,Jiangsu 214500,China)

机构地区：[1]江苏国信靖江发电有限公司,江苏214500

出　　处：《集成电路应用》2021年第3期138-139,共2页Application of IC

摘　　要：阐述某电厂660MW超超临界机组#3高加泄漏的检修处理过程、原因分析,包括水侧和气侧温差、负荷变化速度快给高压加热器带来的热冲击,提出建议的应对措施。This paper describes the maintenance process and cause analysis of the leakage of No.3 high-pressure heater in 660 MW ultra supercritical unit of a power plant, including the temperature difference between water side and gas side, and the thermal impact of rapid load change on the highpressure heater, and puts forward some countermeasures.

关 键 词：高压加热器 安全性 经济性 原因分析 负荷变化 

分 类 号：TK223[动力工程及工程热物理—动力机械及工程]