MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202514081695 A) filed by Vale S. A.; Associacao Instituto Tecnologico Vale Itv; and Universidade Federal De Ouro Preto Ufop, Rio de Janeiro, on Aug. 28, 2025, for 'method and system for optimizing the replacement of grinding media in wet ball mills, and controller-readable medium.'
Inventor(s) include De Souza, Daniel Luiz; Santos, Mario Sergio Dos; Costa, Cassio Pascoal; Cota, Luciano Perdigao; and Souza, Marcone Jamilson Freitas.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention provides a method for optimizing the replacement of mill grinding media comprising the steps of: determining, through a fuzzy controller (10), a required power value of each mill (M1, M2, ..., Mn); estimating, by a means for estimating mill power (20), a power of each mill (M1, M2, ..., Mn) based on its operational data (M1, M2, ..., Mn); determining, through a means for determining grinding media replacement (30), grinding media replacement parameters for the mill (M1, M2, ..., Mn); and automating, through a means for automating grinding media replacement (40), the replacement of grinding media based on the grinding media replacement parameters for the mill (M1, M2, ..., Mn). The present invention also provides a controller-readable medium comprising instructions that, when executed by at least one processor, cause at least one processor to perform steps of a method for optimizing the replacement of grinding media in mills. The present invention further provides a system for optimizing grinding media replacement in mills, comprising a grinding media replacement device; at least one mill (M1, M2, ..., Mn) connectable to the grinding media replacement device (50); and a controller-readable medium."
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