超临界660MW机组高中压缸中间轴封漏汽量的测试  

Testing of Leakage Quantity for Intermediate Gland of Supercritical 660 MW Units HP-IP Casing

作　　者：范鑫[1] 秦建明[2] 李明[1] 徐晓霞[1] 

机构地区：[1]河南电力试验研究院,郑州450052 [2]河南工业大学电气工程学院,郑州450007

出　　处：《发电设备》2010年第5期331-333,共3页Power Equipment

摘　　要：介绍了用变汽温法测量高中压缸中间轴封漏汽量的原理和方法。以某超临界660 MW高中压合缸机组为实例,给出了该方法在其大修前后的应用对比。此方法为测量高中压缸中间轴封漏汽量提供了一种思路,也为量化地检验轴封改造效果提供了一种分析手段。The text introduces the principle and method measuring the leakage quantity for intermediate gland of HP-IP casing.For example of some supercritical 660 MW HP-IP units with a combined casing,the application comparing of the method which is before or after overhaul is given.The method supplies a thread to measure the leakage quantity for intermediate gland of HP-IP casing,also supplies a kind of analysis means to quantitatively examine the retrofit effect of gland.

关 键 词：汽轮机 变汽温法 中间轴封 漏汽量 

分 类 号：TK263.63[动力工程及工程热物理—动力机械及工程]