330MW机组高加蒸汽冷却器泄漏分析及处理  

Analysis and Disposal of Outside Steam Cooler Leakage for High-Pressure Heater of 330 MW Unit

作　　者：罗晶[1] 

机构地区：[1]台州发电厂,浙江台州318016

出　　处：《华东电力》2012年第1期144-146,共3页East China Electric Power

摘　　要：分析了台州发电厂7号机组高压加热器外置式蒸汽冷却器运行中出现负温升的异常现象,其原因是蒸汽冷却器钢管泄漏所致。通过加热器的热平衡计算进行了验证。介绍了在该蒸汽冷却器抽汽电动门无法关闭严密的情况下采取的隔离冷却措施。During the operation of outside steam cooler of high-pressure heater in No.7 Unit of Taizhou Power Plant,the feed-water＇s temperature dropped abnormally,due to the leakage of the cooler＇s tube.This analysis has been verified by heater＇s thermal balance calculation.Finally,this paper proposes some measures for the cooler＇s isolation and cooling-down in case that the steam extraction valve cannot be closed tightly.

关 键 词：高压加热器 外置式蒸汽冷却器 泄漏 温升 

分 类 号：TK26[动力工程及工程热物理—动力机械及工程]