空调水系统的平衡方法研究
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摘要
本文针对空调水系统的平衡方法进行了相关研究。首先分析了空调水系统计算及其中的特定参数压差、流量及阻抗之间的相互关系;分析了调节阀的流量特性、流量系数及阀权度,继而阐述了平衡调节阀的原理及特性,为平衡方法的研究打下理论基础;通过对管网的水力平衡计算,提出平衡计算的相关原则,得出逐时负荷工况下系统的不平衡率情况,然后对异程式系统不平衡的情况,设置同程式系统和应用平衡调节阀的方法对其平衡;根据水力平衡计算结果及平衡调节阀的特性,在水系统中依次试计算选择静态平衡阀、动态压差平衡阀及动态平衡电动调节阀实现系统的水力平衡,分别确定它们的位置、型号及相关参数,实现系统的全面水力平衡;最后通过长春市某商场的工程实例对所研究的平衡方案进行应用分析,最终使得整个水系统实现全面平衡。
This article has conducted the related research in view of the approach of hydraulic balance of air-conditioning water system. Firstly analyzed the calculation of air conditioning water system, which discussed the relationship between the specific parameters of pressure, flow and impedance, and analyzed the characteristics of the flow, the flow coefficient and the valve authority of control valve; then elaborated on the theory and of balancing valve and lay the theoretical basis for research; hen proposed the relevant calculation principles of hydraulic balance, calculated the hydraulic balance of water system in operating condition; then set up reverse return system and apply balancing control valve to get its balance, according to the results of hydraulic balance and properties of balancing control valve, in the water system calculated to choose static balance valve, dynamic differential balancing valve, dynamic electric balancing valve, to achieve dynamic equilibrium The hydraulic system balance, respectively, then determined their location, type and the relevant parameters, thereby achieve a total hydraulic balance; finally adopted the research approach to explain elaborately their application by the example of the Shopping Centre of Changchun City, and made the whole water system to achieve total hydraulic balance.
This article has conducted the related research in view of the approach of hydraulic balance of air-conditioning water system. Firstly analyzed the calculation of air conditioning water system, which discussed the relationship between the specific parameters of pressure, flow and impedance, and analyzed the characteristics of the flow, the flow coefficient and the valve authority of control valve; then elaborated on the theory and of balancing valve and lay the theoretical basis for research; hen proposed the relevant calculation principles of hydraulic balance, calculated the hydraulic balance of water system in operating condition; then set up reverse return system and apply balancing control valve to get its balance, according to the results of hydraulic balance and properties of balancing control valve, in the water system calculated to choose static balance valve, dynamic differential balancing valve, dynamic electric balancing valve, to achieve dynamic equilibrium The hydraulic system balance, respectively, then determined their location, type and the relevant parameters, thereby achieve a total hydraulic balance; finally adopted the research approach to explain elaborately their application by the example of the Shopping Centre of Changchun City, and made the whole water system to achieve total hydraulic balance.
引文
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[12]王晓松.变流量系统全面水力平衡的核心—关键点定压差技术[J].暖通空调,2007,37(7):120-124.
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[15]王成,郝岩缝,施舜天.动态流量平衡阀在暖通工程中的应用[J].制冷空调与电力机械,2003,24(2):42-46.
[16]陈清,陈振双,涂光备.动态流量平衡阀的工作原理[J].全国暖通空调制冷2000年学术年会资料集,2000:50-55.
[17]焦良珍.闭式循环系统中平衡装置的应用研究[J].武汉科技大学硕士学位论文,2005.
[18]张也影.流体力学[M].北京:高等教育出版社,2005.
[19]马最良,姚杨主编.民用建筑空调设计[M].北京:化学工业出版社,2003.
[20]魏俭.空调水系统水力平衡及平衡阀在系统中的应用[J].制冷技术,2006(3):20-24.
[21]付祥钊,王岳人,王元,梁栋.流体输配管网[M].北京:中国建筑工业出版社,2003.
[22]陆亚俊,马最良,邹平华.暖通空调[M].北京:中国建筑工业出版社,2005.
[23]丹佛斯阀门的产品样本.
[2]李昕荣.空调水系统水力平衡与平衡阀[J].建筑热能通风空调,2000(2):54-55.
[3]徐萍.平衡阀应用在空调水系统中需要注意的问题[J].工程建设与设计,2002(2):50-51.
[4]李晓鹏,黄志浪,曹迪华.暖通空调系统中的水力平衡[J].空调暖通技术,2006(1):14-16.
[5]汪训昌.定流量阀变流量水系统中的应用[J].制冷与空调,2004(1):52-55.
[6]王旭.动态平衡电动阀与变流量空调水系统设计[J].节能与环保,2007(7):38-52.
[7]林引高.暖通空调变流量系统几种平衡调节方案的选择[J].广东建材,2005(11):118-120.
[8]汪训昌.论空调水系统的水力平衡动态调节与节能[J].暖通空调,2005,35:47-52.
[9]高海旺.自力式平衡阀的原理及在供热系统中的应用[J].科技情报开发与经济,2006,16(11):261-262.
[10]符永正,刘万岭,迟小光.自力式调节阀适用条件分析[J].区域供热,2002(4):12-16.
[11]张骅,王海波,王新茹,刘志军.城市集中供热管网设计之浅见[J].节能,2003(12):43-46.
[12]王晓松.变流量系统全面水力平衡的核心—关键点定压差技术[J].暖通空调,2007,37(7):120-124.
[13]费人杰.动态流量平衡阀的应用[J].制冷,1999,18(2):69-71.
[14]曲欧.动态流量平衡阀的原理与在暖通空调工程中的应用[J].建筑与预算,2006(2):91-92.
[15]王成,郝岩缝,施舜天.动态流量平衡阀在暖通工程中的应用[J].制冷空调与电力机械,2003,24(2):42-46.
[16]陈清,陈振双,涂光备.动态流量平衡阀的工作原理[J].全国暖通空调制冷2000年学术年会资料集,2000:50-55.
[17]焦良珍.闭式循环系统中平衡装置的应用研究[J].武汉科技大学硕士学位论文,2005.
[18]张也影.流体力学[M].北京:高等教育出版社,2005.
[19]马最良,姚杨主编.民用建筑空调设计[M].北京:化学工业出版社,2003.
[20]魏俭.空调水系统水力平衡及平衡阀在系统中的应用[J].制冷技术,2006(3):20-24.
[21]付祥钊,王岳人,王元,梁栋.流体输配管网[M].北京:中国建筑工业出版社,2003.
[22]陆亚俊,马最良,邹平华.暖通空调[M].北京:中国建筑工业出版社,2005.
[23]丹佛斯阀门的产品样本.