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Ganhos de Eficiência Energética em Moinho SAG por meio de Controle Automático

2022; Linguagem: Inglês

10.20906/cba2022/3668

2525-8311

Thomás V. B. Pinto, Higor S. Barbosa, Marlon Souza, Thiago A. M. Euzébio,

Mineral Processing and Grinding

This work presents the development and implementation of a cascade controller and a feedforward controller to increase the energy efficiency of the SAG grinding circuit of the Sossego plant, belonging to Vale S.A. Aspects of the procession, and instrumentation present in the circuit, are discussed in the construction of the proposed control system. The results of a three-month application at the Sossego plant indicate an increase in SAG mill energy efficiency of 7.8% and an increase in circuit productivity of 1.9%.