on pump中文什么意思

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1. Technologies such as chemical constitution selecting , alloy melting , casting process designing and optimizing , mechanical machining and heat treatment process on pump body , impeller , front and rear board of cw . nb450 dredge pump abrasion resistance parts are concluded
   摘要总结了用于挖泥船的cw . nb450型泥泵过流耐磨部件泵壳、叶轮、前后衬板的化学成分选择、合金熔炼、铸造工艺设计及优化、机械加工、热处理工艺等技术。
2. In this paper , some off - line manual methods for regulation of flow equation have been compared and analyzed . based on pid speed governor of turbines , two kinds of governors are designed for adjustable - blade pump , which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump . the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
   文中，比较分析了现有的多种离线手动调节流量平衡的方法，在水轮机pid调速器的基础上，针对转桨泵设计了两种新型调节器，通过改变转桨泵的叶片安放角，分别能对泵站前池水位和泵的输出流量进行自动调节；提出了两种新型调节器的计算模型，使转桨泵在线自动调节动态仿真得以在微机上得以实现。
3. On the basis of research on pumping station in changzhi iron and steel limited group company and analysis and research on the basic capability of industry control computer plc and state view software , this article adopt the systems analysis method to establish the frame of pumping station supervisory system based on " king view " , and propose the project to develop the distributed control system of pumping station ( ipc + plc ) using " king view " as supervisory software and siemens s7 - 200 as hypogynous machine
   在对长治钢铁公司泵站进行调研，对工业控制计算机可编程序控制器及组态王监控软件基本性能特点进行充分分析和研究的基础上，本文以系统分析的方法，构建了基于“组态王”的泵站监测系统框架，提出了以“组态王”为监控软件，可编程序控制器( plc )采用西门子s7 ? 200系列做为下位机的泵站分布式控制系统? ? ( ipc + plc系统)方案。