大型火电站给水泵组的配置与布置分析

The configuration and layout analysis of large thermal power plant feedwater pump set

大型火电站给水泵组选择不同的配置类型、调速方式和布置方案,对厂用电、辅机耗功及机组经济性等会形成不同影响。对国内外和实际工作中给水泵组配置、布置方案进行了技术、经济比较,认为单台100%容量的汽动给水泵作日常运行配置、主给水泵和前置泵同轴异位布置是较为合理的选择。

The different choice of configuration,driving device,control method and the layout of large thermal power plant feedwater pump sets,would form the different influence to the auxiliary power,auxiliary power consumption.This article through the comparing technical and economic of feedwater pump set configuration scheme,both domestic and overseas as well as the actual work,analysis and put forward that a single 100 % capacity turbine-driven feedwater pump for daily running configuration,coaxial ectopic layout of small steam turbine using double output shaft to drive feedwater pump and booster pump,is the more reasonable configuration and the layout of feedwater pump set.