Coal upgrading control system and method based on sectional energy regulation

Abstract

The present application relates to the technical field of industrial automation control, and specifically provides a coal upgrading control system and method based on segmented energy regulation, which comprises: collecting coal quality parameters in real time, obtaining standardized input parameters through normalization and filtering processing; obtaining process information of coal treatment, respectively establishing energy balance and coal quality change segmented models according to the coal treatment process in the process information, and setting segment targets including moisture reduction in the drying segment, fineness guarantee in the grinding segment, and stable blending calorific value in the feeding segment; presetting a rolling optimization mechanism, and through model predictive control and heuristic optimization algorithm, the calculated control variables are matched with the boiler combustion optimization system and the power grid AGC instruction. According to the process parameters, the segmented energy balance and coal quality change model is constructed, combined with the rolling optimization and multi-objective constraint matching, the energy efficient regulation and coal quality stable cooperation of the whole process of coal combustion preparation are realized, and the combustion efficiency is improved.