浙江电力

2017, v.36;No.257(09) 71-74

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50MW抽汽背压式热电联产机组的给水泵驱动方式选择与优化
Selection and Optimization of Feedwater Pump Driving Manners in 50 MW Steam-extraction back-pressure Combined Heat and Power Units

黄琪薇,林俊光,黄之成,周斌
HUANG Qiwei,LIN Junguang,HUANG Zhicheng,ZHOU Bin

摘要(Abstract):

针对50 MW抽汽背压式热电联产机组,讨论了给水泵的不同驱动方式。以浙江某新建机组为研究对象,将不同汽动给水泵和电动给水泵方案对机组的技术经济影响进行了分析比较,结果表明:采用汽动给水泵初投资高、年收益高。系统中设置一级除氧和表面式补水加热器是采用汽动给水泵的最佳方案。
The paper elaborates on different driving manners for feedwater pump of 50 MW steam-extraction back-pressure combined heat and power units. Based on a new unit in Zhejiang province, this paper analyzes the technical and economic differences between steam feed pump and electric feedwater pump. The analysis shows that the steam feedwater pump had higher initial cost and higher annual revenue. It is an optimal scheme that the steam feedwater pump is equipped with a one-stage deoxygenator and a surface make-up water heater.

关键词(KeyWords): 抽汽背压式;热电联产;汽动给水泵;电动给水泵;补水加热器
steam-extraction back-pressure;combined heat and power;steam feed-water pump;electric feed-water pump;make-up water heater

Abstract:

Keywords:

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作者(Author): 黄琪薇,林俊光,黄之成,周斌
HUANG Qiwei,LIN Junguang,HUANG Zhicheng,ZHOU Bin

DOI: 10.19585/j.zjdl.201709015

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