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文章根据某造纸厂碱回收车间蒸发工段技术改造的情况,从系统硬件组态和软件编程两个方面探讨了SIMATIC S7-300 在碱回收蒸发过程中的应用。关键词:碱回收;蒸发;比值控制;PLCAbstract: In this paper the application of SIMATIC S7-300 in akali reclaim evaporation is discussed in both ways of hardware configuration and software programming, accrording to the situation of technology alteration in evaporationsection , akali reclaim workshop of one paper mill。Key words:akali reclaim;evaporation;ratio control;PLC
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