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在水泥生产中，生料制备部分的石子均化是生产工艺中的一个重要环节，它直接影响水泥成品的质量。本文简述了石子均化库下料自动控制系统的原理，着重介绍了实现工艺要求的软件编制和由可编程控制器组成的控制系统的功能特点。
In cement production, the homogenization of the stone in the raw material preparation section is an important part of the production process, which directly affects the quality of the finished cement product. In this paper, the principle of automatic control system for gravel homogenization library is briefly introduced, and the software features and the functional features of the control system composed of programmable logic controller are introduced emphatically.