停机后汽轮机快速冷却的几种方式比较

Comparison about some fast turbine cooling modes after halt

针对汽轮机在滑参数停机时需冷却汽缸及法兰的问题,提出了有效、快捷的冷却方法,以缩短检修工期和提高机组利用率.介绍了几种在机组滑停时常用的冷却汽缸的汽源,并提出了新的冷却汽源及使用方法.

Aiming at the problems that cylinder and flange need to be cooled when turbine halt, puts forward effective and prompt cooling methods, in order to shorten examining and repairing time, increase the utilization effidency of units. Introduces scgne gas source to cool cylinder when units halt, puts forward new cooling gas source and its using method.