汽水管道中节流孔板的合理使用  

Application of Throttle Orifice in Steam Water Piping

作　　者：张宝[1] 胡能祥 徐熙瑾[1] 沈全义[1] 

机构地区：[1]浙江省电力试验研究所 [2]浙江省火电建设公司

出　　处：《电站系统工程》2005年第6期20-22,共3页Power System Engineering

摘　　要：指出节流孔板在火电厂汽水管道中应用的两个目的,描述了汽水流过孔板时的热力学过程以及会发生的物理现象,分析了阻塞流产生的原因,以此为基础给出了确定节流孔板级数与孔径的方法,并结合具体实例说明该方法的应用。Two purposes is pointed out for applying the throttle orifice to the steam water piping in the steam power plant, and the thermodynamic processes and the physical phenomena is detailed for the steam water flowing through the throttle orifice, and after analyzing the reason, it described how to calculating the orifice stages number and the orifice diameter, and at the end, the concrete application cases are presented.

关 键 词：节流孔板 火电厂 汽水管道 阻塞流 

分 类 号：TM621.72[电气工程—电力系统及自动化]