Patent attributes
A continuous concentrate feeding equipment of the present invention includes a plurality of concentrate supply mechanisms each including a pressure-adjusting tank that temporarily accumulates granular concentrate; a lift tank that receives the concentrate from the pressure-adjusting tank and discharges the concentrate to a smelting furnace; and a pressure control system that controls pressures of the pressure-adjusting tank and the lift tank such that the concentrate is continuously supplied from the lift tank to the smelting furnace throughout a time when the concentrate is received in the pressure-adjusting tank and a time when the concentrate is discharged into the lift tank. The plurality of concentrate supply mechanisms are connected in parallel to a conveyor for carrying in concentrate from an upstream side of the conveyor to a downstream side thereof. Supply control means is provided to control supply of the concentrate.
