DS type chain-bucket conveyor for clinker is a new type plate-chain conveyor, which can conveying various kinds of powdery or lumpy materials horizontally or at inclination (inclination ≤600) such as cement clinker, iron residue, mineral sand, limestone, coke, broken stones etc. Both it temperature resistance and reliability are better than apron belt conveyor and vibrating conveyor. This equipment is widely used in such departments as of building materials, metallurgy, coal, chemical engineering, electric power etc.