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依据水蒸汽喷射泵的抽气机理 ,结合其实际工作情况 ,分析了影响水蒸汽喷射泵抽气性能的主要因素 ;确定了要监测的模拟量和开关量信号 ,以及各监测点的位置 ;设计了在线监测的硬件系统 ;开发的监测系统软件 ,具有数据采集、接收、处理、存储、显示、打印、查询等功能 ;为研究喷射泵抽气性能 ,为现场操作者简明、准确地了解真空设备的运行状态 ,为真空设备故障诊断提供了帮助 ,因此 ,具有理论价值和实际意义
According to the pumping mechanism of steam jet pump, combined with its actual working conditions, analyzed the main factors affecting the performance of steam jet pump suction; determine the analog and digital signal to be monitored, as well as the location of the monitoring points; design The hardware system of on-line monitoring; the development of monitoring system software, with data acquisition, processing, storage, display, printing, inquiries and other functions; in order to study jet pump pumping performance for the site operator concise and accurate understanding of vacuum equipment The operating status of vacuum equipment for fault diagnosis has provided help, therefore, has theoretical value and practical significance