Patent attributes
In a granular material supply system including a tank that stores granular material, a carrier line through which the granular material flowing out of the tank is carried to a carrier destination, and a cutout line that connects the tank and the carrier line and through which the granular material flowing out of the tank is supplied to the carrier line, a control device includes a density control unit configured to control a density of the granular material on a downstream side of a junction of the cutout line and the carrier line to a set value predetermined and a flow rate control unit configured to control a flow rate of the granular material to be supplied to the carrier destination through the carrier line to a command value instructed by the carrier destination.