... device feed port uniformly introducing mounted and fixed in closed for continuous running a hopper lifting chain, the material feed from ... or mixed-mode discharge Hybrid or gravity-way discharge For conveying materials Bulk density ρ <1.5t/m3 powdered, granular, small ... block, non-abrasive, semi-abrasive materials Bulk density ρ <1.5t/m3 powdered, granular, small block, ...