Conveyor and conveyance method

Provided is a conveyor such that, after stopping or restricting supply of granular material to a downstream device, it is possible to restart normal operation of conveying the granular material without delay. This conveyor includes: a casing having a conveying path of a granular material therein and having a discharge port for discharging the granular material to a downstream device; a plurality of conveying units accommodated in the casing and configured to convey the granular material to the discharge port by circulating along the conveying path; an opening/closing mechanism that opens and closes the discharge port; and a control unit that controls operation of the plurality of conveying units and the opening/closing mechanism. When restricting supply of the granular material to the downstream device, the control unit controls the opening/closing mechanism to close the discharge port, and continues to circulate the plurality of conveying units, thereby continuing to move the granular material along the conveying path.