摘要:凡口铅锌矿主井单箕斗废石提升机原电控系统是由继电器控制柜构成,故障率高,维护困难,系统可靠性差,经常性的零打碎敲事故严重影响生产。现与中信重机自动化工程公司洛阳矿山机械研究院合作,采用了SIEMENSSIMAT-ICS 7-300 PLC可编程序控制器,对原电控系统进行改造,新系统投入运行两年多,运行可靠稳定。
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