技术中心

【英文篇名】 Performance analysis of chilled water pump systems 【作者中文名】 张明; 李萌; 苏夺; 【作者英文名】 Zhang Ming; Li Meng and Su Duo East China Architectural Design Ltd.; Shanghai; China; 【作者单位】 现代建筑设计集团华东建筑设计研究院有限公司; 【文献出处】 暖通空调, Heating Ventilating 需求运行区; 工作点; 工作区; 【英文关键词】 pump; required running zone; working point; working zone; 【摘要】 以两种常见的空调冷水一、二次泵系统为例,分析了水泵运行工况,提出了可能运行区、工作点及工作区的概念;认为不能仅依靠特性曲线分析水泵运行情况,在末端变流量系统中应考虑自控系统对末端侧管路系统的影响,以及冷水机组与水泵联锁运行对冷源侧管路的影响;建议完善水泵设置和自控系统,以保证水泵在工作点或工作区正常运行,采取压差、限流等流量控制措施使设备与系统稳定、节能运行。 【英文摘要】 Taking two commonly used primary and secondary chilled water pump systems as examples,analyses pump running conditions,puts forward the three concepts of possible running zone,working point and working zone.Considers that to analysis pump running conditions should not only rely on the characteristic curve,and consideration should also be given to the effect of automatic control system on the terminal pipe loop and the effect of chillers working with pumps in the primary pipe loop.Suggests to rationally desi...