Patent ID: 10449548

Abstract:
A method for producing a comminuted dry material from a coarse material, the method including: (a) providing a heated drying gas from a drying gas source; (b) providing the coarse material in a storage bin; (c) feeding the coarse material and the heated drying gas into a comminuting equipment; (d) comminuting and drying the coarse material within the comminuting equipment to obtain a comminuted dry material; (e) collecting a mixture of drying gas and comminuted dry material from the comminuting equipment and feeding the mixture to a separator to separate the comminuted dry material from the drying gas; and (f) recycling at least part of the drying gas from step (e) as a preconditioning gas and feeding the preconditioning gas into a lower part of the storage bin to precondition the coarse material.