给水泵汽轮机高低压汽源切换方式的改进  

Improvement of Switching Mode for High/Low Pressure Steam Supply of Feed Pump Turbine

作　　者：余绍宋 张宝[2] 

机构地区：[1]浙江浙能乐清发电有限责任公司,乐清325609 [2]浙江省电力试验研究院,杭州310014

出　　处：《发电设备》2011年第1期46-48,共3页Power Equipment

摘　　要：介绍了给水泵汽轮机典型的汽源配置,对目前高低压汽源的切换方法进行了改进,并做了汽源切换试验以及快速减负荷试验。试验结果表明,这一改进措施能够提高给水系统运行的可靠性,使给水泵在汽源切换过程中运行平稳。Based on typical steam supply configuration of a feed pump turbine,an improvement was made to switching mode of its high/low pressure steam supply,after which relevant switching over experiments and runback tests performed.Results show that the corrective measures may help to raise the operation reliability of feed water system and stabilize the switching over process of steam supply for feed pump turbines.

关 键 词：火电厂 汽动给水泵 高压备用汽源 汽源切换 高压调节汽门 

分 类 号：TK267[动力工程及工程热物理—动力机械及工程]