| 1. | Energy saving comparison of water getting pump station at adjusted velocity 取水泵站调速运行的节能效果比较 |
| 2. | Application of single - chip computer in automatic monitoring system of water pumping station 单片机在水泵站自动监控系统中的应用 |
| 3. | Then according to this thought , a set of monitoring system software of the pump station for high press water is designed in the concrete 并且根据这一思想,在实际中为企业设计了一套高压水泵站监控系统软件。 |
| 4. | The paper emphasize on the system to monitor and control pump station by means of ipc and plc on the basis of distributed control system 本文研究了基于集散控制理论的水泵站实时监控系统。集散控制理论的精髓就是控制的分散和管理的集中。 |
| 5. | In this paper , a numerical simulation model to analyze the function and effect of the pumping irrigation in sediment deposition reduction of the irrigation canal system is proposed 除了以往有效的措施外,本文在总结灌区渠道不同部位设置提水泵站设施作用与效果的同时,通过建立灌区渠道悬移质冲刷计算模型,对其减淤清淤的作用与效果进行了理论分析研究。 |
| 6. | By the end of the paper , the realization of industrial ethernet is also heartedly discussed the system has been put to use in the year 2003 and contributed a lot to the improvement of administration and promotion of the rate of proper run 本文最后论述了工业以太网硬件和软件的实现方法。本系统从2003年8月投入使用至今,对提高企业的管理水平和经济效益,保证水泵站的稳定、安全、顺行等方面发挥着越来越大的作用。 |
| 7. | The control of the electrical valves are elaborated in the paper . the advanced technology of numerical control is also applied to it . meanwhile , i take some special measures to cope with malfunction frequently happening on those electrical valves 本文对水泵站实时监控系统中的关键设备电动蝶阀的控制进行了深入研究,将数控技术和模糊控制理论应用到电动蝶阀控制系统中;同时,根据现场调研的结果,针对电动蝶阀常见故障,在电动蝶阀的行程终点采用加减速控制。 |
| 8. | By using optical fiber communication and information transmission based on industrial ethernet , the said system organically combines the industrial automatic control based on programmable logic controller ( plc ) with video supervison , as well as with supervision against thief and fire , having effectively realized the remote monitoring of unattended water pump stations 系统采用光纤通讯和基于工业以太网的信息传输,将基于plc的工业自动控制和视频监控、防火防盗监控有机地结合在一起,实现了对水泵站的远程无人值守监控。 |
| 9. | As an inlet structure , the forbay is an important part of the pumping station . the pressurized forbay , close in top structure , is a kind of particular forbay in which water is pressurized . based on the integral hydraulic model test of shanghai changqiao waterwork ' s water - transport pumping station , some research on the hydraulic characteristics of the pressurized forbay has been done in the paper . the main content is listed as follows : l . the hydraulic characteristics of the pressurized forbay in different water supply combination and different pump unit combination without divertion measure , and the reason of the poor flow state . 2 . the hydraulic characteristics of the pressurized forbay with diversion pier , and the reason why the flow state can be improved . 3 . the experimental research on the critical air suction condition of the pressurized forbay 本文基于上海长桥自来水厂改造工程送水泵站整体水力模型试验,对有压前池的水力特性进行了研究,研究的主要内容如下: 1 、无导流措施的有压前池在不同供水组合及不同机组开机组合条件下的水力特性,并分析了流态较差的原因; 2 、加设导流墩后有压前池的水力特性,以及加设导流墩流态改善的原因; 3 、有压前池进气临界条件的试验研究; 4 、水泵进气以后水泵性能的讨论。 |