The Z-type rotary bucket elevator is inside a closed shell and transports materials through a hopper suspended on a chain. Can combine horizontal, vertical, and horizontal conveying. Single or multi-point feeding can be carried out, and single or multi-point unloading can be completed through the unloading device. Closed body, less leakage, and less pollution. The advantage of this equipment is its flexible composition, low damage rate to materials, and the ability to reduce the occurrence of defective products. It is suitable for various situations that require gentle handling of materials. Such as activated carbon, refractory materials, aluminum oxide powder, phenolic resin, calcium carbonate, glass sand, asphalt particles, cat litter, ceramic particles and other granular, powdery or small materials.