论文部分内容阅读
三、流量特性的选择 1.国内外对调节阀流量特性选择的概况国外在四十年代就有了充分的认识,并就如何正确的选择调节阀的流量特性做了一系列的研究,提出了不少的选择方法,如美国的FisHer公司、MaSoNei Lan公司、日本的山武-霍尼韦尔公司等都提出了调节阀流量特性的选择准则,并在试验中得到验证。我国对流量特性的选择的重要性多年来一直没有被人们所认识,当然对调节阀的特性选择更没有进行研究,直到七十年代中期才由上海工业自动化仪表研究所和兰化公司等单位组成研究小组,开展对流量特性选择的研究工作,并取得了初步的结果,提出了调节阀流量特性选择的推荐准则。但流量特性的选择是一个比较繁杂的问题,各国正在进一步研究之中。
Third, the choice of flow characteristics 1 at home and abroad on the selection of flow characteristics of regulating valve profile abroad in the forties have a full understanding of how to properly select the flow characteristics of the control valve made a series of studies, put forward Many selection methods, such as FisHer Company in the United States, MaSoNei Lan Company, Japan’s Yamatake-Honeywell Company, put forward the selection criteria for regulating the flow characteristics of the valve and have been verified in the experiment. The importance of the selection of flow characteristics in our country has not been recognized by people for many years. Of course, the characteristic selection of control valve has not been studied yet. It was not until the mid-1970s that it was composed of Shanghai Industrial Automation Instrumentation Institute and Lanhua Company The research group carried out research on the selection of flow characteristics and obtained preliminary results. The recommended guidelines for the selection of flow characteristics of control valves were proposed. However, the choice of flow characteristics is a more complicated issue, and countries are studying further.