CCPP中蒸汽旁路和锅炉给水泵技术的研究  

A Study on the Steam Bypass and Boiler Water Feed Pump Technology in CCPP

作　　者：徐迎超[1] 樊泳[1] 阎波[2] 范晓明[2] 寇彦德[1] 

机构地区：[1]北京首钢国际工程技术有限公司,北京100043 [2]首钢股份公司迁安钢铁公司,河北邯郸064404

出　　处：《冶金动力》2015年第9期37-39,共3页Metallurgical Power

摘　　要：首钢迁钢公司2×50 MW燃气—蒸汽联合循环(CCPP)发电工程结合国内机组运行情况,对燃气—蒸汽联合循环发电机组系统做了以下改进:蒸汽系统增加蒸汽旁路,凝汽器设置为带旁路的凝汽器;余热锅炉给水泵采用高低压双输出给水泵技术。解决了机组在启停机时蒸汽放散的问题,同时回收了除盐水,降低了给水泵的电耗,年增加净利润94万元。The 2×50 MW gas-steam combined cycle power project of Shougang Qianan Steel made the following improvements on the CCPP system based on the actual operation conditions of domestic CCPP units: adding a steam bypass in the steam system, the con-denser to be set up with a bypass and adopting high and low pressure dual output technolo-gy in the HRSG feed water pump. This upgrading modification has solved the problem of steam bleeding at unit startup and shutdown, at the same time recovered desalted water and reduced the power consumption of the water pump, which increased net profit by 940,000 yuan annually.

关 键 词：CCPP 蒸汽旁路 凝汽器 给水泵 

分 类 号：TM611[电气工程—电力系统及自动化]