技术中心

【英文篇名】 Design of variable volume secondary pump water systems 【作者中文名】 刘亮; 孙育英; 杨超; 【作者英文名】 Liu Liang★; Sun Yuying and Yang Chao★ Building Design Institute; China Academy of Building Research; Beijing; China; 【作者单位】 中国建筑科学研究院建筑设计院; 北京工业大学; 【文献出处】 暖通空调, Heating Ventilating 二次泵; 变流量; 压差控制; 【英文关键词】 primary pump; secondary pump; variable volume; pressure difference control; 【摘要】 介绍了某住宅小区集中供热二次泵变流量水系统的设计,其锅炉和一次水泵的运行台数控制采用温度控制法,二次变频水泵的工作频率及运行台数控制采用测量多点压差进行比较的压差控制方式。通过对系统的运行工况分析,提出了二次泵自动控制设计方案,并指出了需注意的几个问题。 【英文摘要】 Presents the design of variable volume secondary pump water system for a residential quarter,with the operating numbers of boilers and primary pumps controlled by temperature of return/supply water and secondary pumps controlled through the comparison of multi-point pressure differences.Based on the analysis of working conditions of system,puts forward the design scheme of automatic control system for secondary pumps,and the problems deserving to be noticed.