摘要
介绍了基于SiemensS7 300PLC的热管式锅炉自动控制系统的硬件、软件的具体设计·该系统实现了对锅炉供水系统、负压调节系统以及锅炉燃烧系统的自动控制任务·系统运行表明:该系统大大提高了锅炉运行的稳定性、经济性,收到了满意的控制效果·
Describes the detail design of the hardware and software based on Siemens S7-300 PLC for the boiler heated by tube. It realizes the automatic control of the boiler＇s water supply system, the regulating system for the negative pressure and the combustion system. It shows that： This automatic control system improves the boiler＇s stability, efficiency, and the satisfactory result is obtained.
关键词
锅炉
自动控制
燃烧系统
PLC
automatic control of boiler
combustion system
PLC
