煤机组汽前泵效率在线分析系统研究

Research on on-line efficiency analysis system of booster-pump of coal-fired unit

汽前泵是大型燃煤机组重要辅助设备,汽前泵泵效率不但是泵运行经济性的重要技术指标,对泵效率劣化趋势的连续分析也是实现汽前泵故障早期诊断的重要技术手段。设计了一种利用火电厂厂级监控信息系统实时数据,实现汽前泵效率在线计算和劣化分析的燃煤机组汽前泵效率在线分析系统。该系统能够快速准确地分析汽前泵的效率劣化趋势,为汽前泵的状态检修提供准确的前期预警和决策依据。系统设计过程中充分考虑了泵效率的计算所要求的机组稳定工况,同时也充分考虑了传感器安装位置不同对泵效率计算的影响,并对其进行补偿。系统设计采用B/S架构,服务端编程使用Java语言,前端使用Bootstrap开源项目。

Booster-pump of turbo-feed pump is an important auxiliary equipment of coal-fired power unit. The efficiency of the booster-pump is an important economic index of the pump operation. And also the deterioration analysis of booster pump ′ s efficiency is an important technical means to realize the early diagnosis pump fault. This paper describes how to design an on-line analy-sis system of the booster-pump-efficiency, which uses the real-time data of the Supervisory Information System to complete booster pump ′ s efficiency on-line calculation and the efficiency deterioration analysis. It can quickly and accurately analyze the deteriora-tion trend of the efficiency of booster-pump and provide early warning of the booster-pump fault, which is one of important deci-sion-making basis for the condition based maintenance of the booster-pump. In the process of system design, the stable working condition of the unit required by the calculation of pump efficiency is fully considered, as well as the influence of different instal-lation positions of sensors on the calculation of pump efficiency, and compensation is made for it. The system is designed with B/S framework, Java language is used for server programming, and Bootstrap open source project is used for front-end.