| 加热器散热损失对机组热经济性的影响 |
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| 引用本文： | 郭民臣,刘强.加热器散热损失对机组热经济性的影响[J].节能技术,2006,24(5):405-408. |
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| 作者姓名： | 郭民臣 刘强 |
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| 作者单位： | 华北电力大学能源与动力工程学院,北京,102206 |
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| 摘 要： | 基于热平衡方程,提出了加热器散热损失对机组热经济性影响的计算模型。该模型采用矩阵形式,全面考虑了热力系统的结构特点和辅助汽水系统,计算快速、精确,并且该模型通用性强,适用于各种凝汽机组。应用该模型对某300 MW机组进行了算例分析,并同等效热降法进行比较,总结出了加热器散热影响机组热经济性的主要因素,这将在电厂运行及节能工作中发挥重要作用。
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| 关 键 词： | 加热器 散热损失 矩阵法 热经济性 热力系统 |
| 文章编号： | 1002-6339(2006)05-0405-04 |
| 收稿时间： | 2006-06-26 |
| 修稿时间： | 2006-07-04 |
Influence of Heater's Heat Loss on Heat Economy of Unit |
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| GUO Min-chen,LIU Qiang.Influence of Heater''''s Heat Loss on Heat Economy of Unit[J].Energy Conservation Technology,2006,24(5):405-408. |
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| Authors: | GUO Min-chen LIU Qiang |
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| Affiliation: | Department of Thermal Power Engineering, North China Electric Power University, Beijing, 102206 China |
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| Abstract: | Based on the thermal balance equations,a calculation model of the influence of heater's heat loss on heat economy of unit is derived.Considering the structural characteristics of thermodynamic system and adopting the form of matrix,the modeling is quickly and exactly.Meanwhile the model has strong versatility and is suitable for different units.The main factors of heater's heat loss on heat economy of unit are summed up by the calculation of a 300MW unit and the comparison with the equivalent enthalpy drop method is conducted,it will be play an important role on the operation and energy conservation of electric power plant. |
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| Keywords: | heater heat loss matrix method heat economy thermodynamic system |
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