Disk feeder is a cubage measuring feeding equipment; it supplies materials to the next procedure evenly and continuously; at the same time, it can bear relatively higher pressure. It is a fine powdery material feeder suitable for non-cohesive materials like coal powder, cement, chamotte, limestone, shale, gangue and clunch. It is widely used in gold concentrator, coal mine, chemical plant, construction and foundry for quantitative and even feeding.