技术中心

【英文篇名】 Selection, installation and adjustment of control valves in variable flow systems 【作者中文名】 李震; 肖勇全; 【作者英文名】 By Li Zhen★ and Xiao Yongquan; 【作者单位】 山东建筑工程学院; 【文献出处】 暖通空调, Hv 流通能力; 汽蚀; 闪蒸; 流量特性; 执行器; 【英文关键词】 control valve; negotiability; cavitation; flashing; flow characteristics; actuator; 【摘要】 认为在选择阀门时应考虑阀门的流通能力、流量特性、阀体种类、阀门执行器等因素,并避免出现汽蚀和闪蒸现象;对涉及到的各个环节作了分析,指出在变流量系统和定流量系统中阀门安装与调试做法上的区别,给出了安装和调试步骤。 【英文摘要】 Holds that negotiability, flow characteristics, valve type, valve actuator should be considered and cavitation and flashing be avoided when selecting control valves. Analyses all the aspects involved. Points out the differences between variable flow systems and constant flow systems in installation and adjustment of control valves. Presents the steps of installation and adjustment. 【基金】 北京市重点试验室开放课题(编号:KF200304)