| The process of the Cement Rotative Stove is the core part of the cementproduce, which belong the complex heat reaction process. The control of the CementRotative Stove not only ensure both the stabilization of produce and equipment'ssafety, but make the process of produce to the best point, which can reach to the aimof high quality, high efficiency, low consumption. Now, the Cement Rotative Stove'sclosed loop use tradition PID control strategy in the nation. It is so difficult toascertain the parameter of system that can't reach to the ideal effect. This paper usetwo class DCS control system to improve control strategy, which can realize thecontrol of the process of the Cement Rotative Stove and supervise the requestparameter.According to the technical request of Cement Rotative Stove, this paperpresents a control strategy. PLC complete the collection and dispose of data, andaccept computer's instruction so that can export signal to complete kinds of controlfunction. The industrial control computer complete the stakeout, handle and control.ControlNet realize the system communication and information exchange in PLC andcomputer. According to the request of gas temperature, tradition PID control strategyis improved through use fuzzy control strategy. The fast dynamic respond andstabilization temperature can be obtained through used the fuzzy PID control strategy.The hardware and software are designed. PLC connect chart is completed for theanalogical and digital signal of two control station. The program flow chart, adjustloop control frame chart, and control interface are designed. The stakeout andcontrol of Cement Rotative Stove' produce process, and the adjust of PID parametercan be realized through eight craftwork interface. It also can observe and print thecurrent and historical circumstantialities of kings of technics, electric parameters.When the technics and electric fault occurred, the screen can display the message offault, at the same time sound is give off. |
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