轴排空冷供热机组真空除氧方案研究  

Research on Vacuum Deaeration Scheme of Axis-exhaust Air Cooling and Heating Unit

作　　者：李理 Li Li

机构地区：[1]中国天辰工程有限公司,天津300499

出　　处：《机械制造》2021年第3期65-68,共4页Machinery

摘　　要：除氧器是联合循环电厂中的重要热力设备,合理选择除氧方案可以对电厂机组的安全、经济、稳定运行起到重要作用。以Kazan联合循环热电站项目为例,对轴排空冷供热机组的真空除氧方案进行了研究。在研究中,论述了凝结水中溶氧的危害及超标的原因,介绍了国内各种主要除氧方案,分析了Kazan联合循环热电站项目的真空除氧方案,并进行了方案对比。The deaerator is the important thermal force equipment in a combined cycle power plant.A reasonable choice of the deaerator can play an important role in the safe,economic and stable operation of the power plant unit.Taking the Kazan combined cycle thermal power plant project as an example,the vacuum deaeration scheme of the axis-exhaust air cooling and heating unit was studied.In the research,the hazards and the reasons for exceeding the standard of dissolved oxygen in the condensate were discussed,various major domestic deaeration schemes were introduced,and the vacuum deaeration scheme of the Kazan combined cycle thermal power station project was analyzed,and the schemes were compared.

关 键 词：热电站 供热机组 除氧 研究 

分 类 号：TM611.3[电气工程—电力系统及自动化]