1) letdown orifice
下泄节流孔板
2) orifice plate
节流孔板
1.
To solve the problem of pipes vibration of large-sized compressor in ammonia plant, orifice plates are installed after thorough analysis of the causes of vibration, effectively solved the problem.
针对合成氨系统的大型压缩机组管系振动问题,深入分析了原因后,采取在管道中加装节流孔板的措施,使管系振动得到了有效控制。
3) throttle orifice
节流孔板
1.
Applying throttle orifice to power plants;
节流孔板在发电厂的应用
2.
With applying the throttle orifice in power plant,the thermodynamic processes and the physical phenomena is detailed for the steam water flowing through the throttle orifice,and after analysing the reason,this paper described how to calculate the orifice stages number and the orifice diameter,and in the end,the concrete application cases are presented.
结合节流孔板在火电厂汽水管道中的应用,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了该方法的应用。
4) Orifice
[英]['ɔrɪfɪs] [美]['ɔrəfɪs]
节流孔板
1.
In this paper,the influence of orifice-induced pressure head on pit corroded piping is studied.
研究了节流孔板引起的压差对含腐蚀坑点的管道系统的影响。
2.
By using EFS injection test bench,this paper studied the different performance of electronic injector with different type of orifices.
使用EFS喷射试验台,测量电控喷油器在匹配不同参数的节流孔板后所表现出的喷油特性,并加以分析。
3.
Research on Vibration and Noise Issues of Nuclear Pipesdue to Orifice Cavitation;
针对在役核电厂出现的核级管道系统强烈振动和噪声导致结构失效的问题,采用“数值模拟优先”的研究方法,通过数值计算分析和实验研究,发现节流孔板气蚀是诱发故障的根本原因,提出了工程改造方案。
5) throttle orifice plate
节流孔板
1.
Investigation on magnetic oxide iron depositionof throttle orifice plate in once-through boiler water wall
直流锅炉水冷壁节流孔板磁性氧化铁沉积探讨
2.
The operating principle of a throttle orifice plate is introduced and its typical application in a forced circulation evaporative cooler of a heating furnace in steel rolling enterprises is presented.
介绍了节流孔板的工作原理及其在轧钢企业加热炉强制循环汽化冷却装置中的典型应用,阐明了在汽化冷却装置设计中应充分应用节流孔板观
3.
Flow field and structure in throttle orifice plate is systematically analyzed and studied by experiment and locale research, and finally theoretical foundation is provided for design of thrott.
通过试验和现场调研,对节流孔板内的流场及结构等进行了系统地分析研究,最终为节流装置及风机试验台的设计提供理论依据。
6) throttle orifice
节流孔板，节流圈
补充资料：孔板
安装在封闭管道中，按节流装置的原理，测量液体、气体和蒸汽流量的检出元件。标准孔板是一块具有圆形开孔的金属薄板,圆孔壁与孔板前端面成直角,安装时孔板轴心与管道轴线同心。孔板已有国际标准(ISO 5167)。测出孔板两端压差，按此标准即可算出具有一定精确度的流量值。孔板取压方式在国际标准中规定为径距取压、法兰取压和角接取压（取压孔紧靠孔板）3种（图1）。当测量含有少量固体的液体或含有少量液体的气体时，为便于少量固体或液体通过，孔板的开孔可制成扇形的,或制成与管道的轴线是偏心的（图2）。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条