技术中心

【英文篇名】 Performance adjustment of cooling water pump of a central air conditioning system 【作者中文名】 高克复; 奚丈羽; 余维成; 【作者英文名】 By Gao Kefu~★; Xi Zhangyu and Yu Weicheng★Ningbo Construction Design Group; Ningbo; Zhejiang Province; China; 【作者单位】 宁波建设工程设计院; 宁波新方圆维保有限公司; 【文献出处】 暖通空调, Hv 叶轮直径; 切割; 【英文关键词】 cooling water pump; impeller diameter; cutting; 【摘要】 针对某工程空调水系统调试中发现的冷却水泵匹配电机偏小的问题,经计算分析认为,降低水泵扬程3~4 m可以保证水泵安全运行,采用切割叶轮的方法,三次调整叶轮切割尺寸,得到合适的叶轮直径。测试参数表明,调整后的水泵流量、扬程和电机功率满足工程需要。 【英文摘要】 Aiming at the problem that the power of cooling water pump motors is undersized, considers that reducing the pump head three to four metres can ensure the pump to operate safely through calculating and analyzing. After cutting the impeller diameter for three times, obtains appropriate diameters. The result shows that the flow rate and head of the adjusted pump and the power of the motor can meet the need.