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案例频道作者：张雪莉（河北大唐国际张家口热电有限责任公司，河北 张家口 075000）
摘要：张家口热电公司2号机组五台给煤机控制系统已投运十年之久，板件逐渐老化，故障率高。此外，原给煤机控制系统程序固化在存储器中无法查看，故障发生后无法准确判断。针对这些问题，对给煤机的控制系统进行升级改造。本文通过对其改造过程及投运后出现的问题、解决方法进行阐述。结果表明给煤机控制系统运行稳定，完全达到了预期的升级改造效果。
关键词：给煤机；PLC；控制系统；自动调节
Abstract: The control system of five coal feeders of No. 300MW unit ofZhangjiakou Thermal Power Company has been put into operationfor ten years, the plates are gradually aging, and the failure rate ishigh. In addition, the original Coal Feeder Control System programsolidified in the memory cannot be seen after the failure cannot beaccurately judged. In view of these problems, the control system of coalfeeder is upgraded. In this paper, the problems and solutions after thetransformation process and put into operation are described. The resultsshow that the coal feeder control system runs stably and achieves theexpected upgrading effect.
Key words: Coal feeder, PLC; Control system; Automatic regulation
在线预览：
给煤机控制系统升级改造问题分析.pdf
摘自《自动化博览》2021年8月刊
北京市公安局海淀分局备案号：11010802023656号