| 一种计算辅助汽水流量对煤耗率影响的新方法 |
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| 引用本文： | 闫顺林,武庆源,李永华.一种计算辅助汽水流量对煤耗率影响的新方法[J].中国电机工程学报,2011,31(14). |
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| 作者姓名： | 闫顺林 武庆源 李永华 |
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| 作者单位： | 电站设备状态监测与控制教育部重点实验室(华北电力大学),河北省保定市,071003 |
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| 摘 要： | 辅助汽水系统是火电机组热力系统的重要组成部分.计算辅助汽水流量对煤耗率的影响有重要的现实意义.文中提出了一种计算辅助汽水流量对煤耗率影响的新方法,该方法以火电机组热经济性分析的统一物理模型和数学模型为基础,借助梯度算子,建立基于强度矩阵的辅助汽水流量对煤耗率影响的通用计算关系式.通过对600MW 火电机组典型工况的实例计算,验证了该模型的正确性.该方法不必建立热力系统能量平衡方程与质量平衡方程,推导简单,物理意义明确,计算量小,精度高,通用性强.为辅助汽水系统的定量计算和火电机组节能降耗分析提供了一种新的工具.
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| 关 键 词： | 热力系统 辅助汽水 煤耗率 模型 |
A New Calculation Method of the Influence of Auxiliary Steam-water Flow Rate on Coal Consumption Rate |
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| YAN Shunlin
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WU Qingyuan
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LI Yonghua.A New Calculation Method of the Influence of Auxiliary Steam-water Flow Rate on Coal Consumption Rate[J].Proceedings of the CSEE,2011,31(14). |
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| Authors: | YAN Shunlin WU Qingyuan LI Yonghua |
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| Affiliation: | YAN Shunlin,WU Qingyuan,LI Yonghua(Key Laboratory of Condition Monitoring and Control for Power Plant Equipment(North China Electric Power University),Ministry of Education,Baoding 071003,Hebei Province,China) |
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| Abstract: | Auxiliary steam-water system is an important part of thermal system of power generator networks.The calculation of auxiliary steam-water rate of flow on the influence of coal consumption rate has an important practical significance.This article proposed a new method of calculating auxiliary steam-water rate of flow on the influence of coal consumption rate.It is based on the unified physical model and mathematical model of the analysis of thermo-economics and has the aid of gradient operator to build a calc... |
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| Keywords: | thermal system auxiliary steam-water coal consumption rate model |
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