| 管网的流量优化调节方法及变频泵的应用分析 |
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| 引用本文： | 徐楠,王树刚,端木琳.管网的流量优化调节方法及变频泵的应用分析[J].建筑热能通风空调,2007,26(3):68-70,85. |
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| 作者姓名： | 徐楠 王树刚 端木琳 |
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| 作者单位： | 大连理工大学土木水利学院 |
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| 摘 要： | 为了实现管网高质量运行，其系统必须具备稳定可靠的调节能力。根据管网能耗最小原则和管网流动规律，给出了流量优化调节的数学模型和相应的约束条件。结合算例介绍了管网流量优化调节方法。通过计算，画出了管网阻力特性曲线和在不同工况下变频泵的特性曲线，并分析了两曲线的匹配性，介绍了变频泵的控制方式，为工程应用提供依据。
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| 关 键 词： | 供热管网 流量 优化调节方法 变频泵 特性曲线 |
| 文章编号： | 1003-0344（2007）03-068-4 |
| 修稿时间： | 2006-08-29 |
Application Analysis on Flow Optimal Regulation Method of Heating Network and Variable Frequency Pump |
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| Xu Nan,Wang Shugang,Duanmu lin.Application Analysis on Flow Optimal Regulation Method of Heating Network and Variable Frequency Pump[J].Building Energy & Environment,2007,26(3):68-70,85. |
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| Authors: | Xu Nan Wang Shugang Duanmu lin |
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| Affiliation: | School of Civil and Hydraulic Engineering, Dalian University of Technology |
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| Abstract: | In order to realize high quality operation of network, a steady and reliable regulation ability of heating network system is needed. According to the minimum principle of pipe network energy consumption and flow law of pipe network, a mathematical model of flow optimal regulation and its corresponding constrain condition are given in this paper. Combined with example, a flow optimal regulation method of pipe network is introduced. Characteristic curves of pipe network resistance and variable frequency pump under different operating conditions are drawn in response to the computing results. Besides, the matching between two curves is analyzed and the control method of variable frequency pump is introduced. It can provide basis for engineering application. |
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| Keywords: | heating network flow rate optimal regulation method variable frequency pump characteristic curve |
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