| 超临界机组循环水系统运行优化 |
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| 引用本文： | 刘 宁,张 军,杨争艳.超临界机组循环水系统运行优化[J].河北工业科技,2009,26(6):519-521. |
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| 作者姓名： | 刘 宁 张 军 杨争艳 |
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| 作者单位： | 1. 华北电力大学动力工程学院,河北保定,071003
2. 河北工业大学计算机科学与软件学院,天津,300401 |
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| 摘 要： | 通过分析循环水泵在一机一泵、一机二泵和两机三泵3种组合方式运行下对汽轮机排气压力的影响,以及流量、耗功和汽轮机微增功率的变化,根据高低压凝汽器压力平均值计算出对发电机功率的影响,比较循环水泵消耗的功率与凝汽器压力影响发电机功率的大小,确定在不同的负荷、不同的冷却水温度下循环水泵的最佳运行组合方式,这对提高循环水系统的经济性以及降低用电率、供电煤耗都有显著影响。
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| 关 键 词： | 循环水泵 运行方式 凝汽器压力 流量 优化 |
| 收稿时间： | 2009/5/16 0:00:00 |
| 修稿时间： | 2009/8/20 0:00:00 |
Optimization of running water circulation system in supercritical generating units |
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| LIU Ning,ZHANG Jun and YANG Zheng-yan.Optimization of running water circulation system in supercritical generating units[J].Hebei Journal of Industrial Science & Technology,2009,26(6):519-521. |
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| Authors: | LIU Ning ZHANG Jun and YANG Zheng-yan |
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| Institution: | LIU Ning~1,ZHANG Jun~2,YANG Zheng-yan~2 (1. College of Power Engineering,North China Electric Power University,Baoding Hebei 071003,China,2. College of Computer Science and Software,Hebei University of Technology,Tianjin 300401,China) |
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| Abstract: | This paper analysed the flow,power consumption,micro-by power of turbine in different conditions of the circulating pump parameters,comparing the high and low condenser pressure for optimal operation of several conclusions.The operation mode of the water circulation system has a significant economic impact on lowering power plant electric rate and coal consumption for power supply. |
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| Keywords: | circulating pump operating way condenser pressure flow optimization |
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