流体机械2011，Vol.39Issue(9)：11-15,25,6.DOI:10.3969/j.issn.1005-0329.2011.09.003
大型机组滑压运行时锅炉给水泵的调节特性分析
Regulating Characteristics Analysis of Boiler Feed-water Pump when Utility-type Unit Sliding-pressure Operating
摘要
Abstract
According to the characteristics of utility-type generator set in variable load sliding-pressure operation, analysize the characteristics of feed-water system comprehensively which consist of variable speed main feed-water and power frequency booster-pump connecting in series first then in parallel. It puts emphasis on fitting characteristics equation of feed-water pump under dif-ferent operations, and determining characteristics of feed-water pipeline under sliding-pressure operation, and corresponding re-sistance coefficient, at last deduces the equation of lift,efficience and rotating speed under different load and different sliding-pressure which only based on main feed-water pump variable speed adjusting to satisfy. Taking one power plant 600MW supercrit-ical unit for example,compared the energy consumption between different operation mode. It put forward the more suitable opera-tion mode under different load, and offered theoretical basis for project practical application.关键词
超临界机组/滑压运行/给水系统/水泵的串并联/能耗分析Key words
supercritical unit/ sliding-pressure operation/ feed-water system/ pump in series or parallel/ energy consumption a-nalysis分类
机械制造引用本文复制引用
胡思科,宋丽静,高慧芬..大型机组滑压运行时锅炉给水泵的调节特性分析[J].流体机械,2011,39(9):11-15,25,6.
