1、 毕业设计说明书毕业设计说明书 设计(论文)题目:设计(论文)题目:179179 高炉卷扬上料控制系统软件设计高炉卷扬上料控制系统软件设计 2009 年 06 月 10 日 摘 要 I 摘 要 PLC 及其网络在工业自动化控制领域越来越受到重视和普及应用,它的应用提 高了高炉上料系统的自动化水平和可靠性,实现了上料系统的实时监控和灵活方便 的工艺配方。文章主要介绍某钢铁厂高炉上料系统采用 PLC 及其网络控制的软硬件 设计方案和方法,介绍了高炉上料的工艺情况和可编程控制器(PLC)控制系统他 的控制功能。 本次设计通过 PLC 程序化的控制仓闸门的开与关,运矿皮带的运行,变频器的 调速,大小钟
2、的开与关,完成料从料仓落到运矿皮带,经运矿皮带运往中间仓,再 从中间仓落到料车里,由卷扬机拉动料车至炉顶,最后卸料至高炉的整个过程,实 现了上料自动化。在系统出现故障时能够及时报警并自动断电抱闸。 关键词:关键词:PLC;高炉;上料系统;自动控制 Abstract II Abstract There is a growing interest for the application of PLC and its networks in the filed of industrial automation .The automatic function and reliability of th
3、e feeding system in blast furnace are improved by the application .The real-time monitoring is realized and the technological composition can be easily made. The design scheme ,methods of the hardware and software of PLC and its network adopted for the feeding system of one blast furnace in a steelw
4、orks ,The Blast Furnace Technology and characteristics and programmable logical controller (PLC) control system control functions are introduced . The design process through PLC control of the warehouse gate opening and closing ,wan ore belt of operation ,the inverter speed ,size-minute opening and closing complete information from the silo fell on ore belt ,the belt ore shipped to intermediate positions, from the intermediate materials warehouse fell on the vehicle ,winch pull information fro