The pipe chain conveyor is a continuous conveying equipment suitable for bulk materials such as powder, small particles and small blocks. It consists of shell, chain, conveyor plate, driving device, tensioning device, etc. The chain is driven by the motor to drive the circular conveyor plate to transport materials. The horizontal conveying distance can reach 80 meters, and the vertical conveying distance can reach 50 meters. The material conveying process is completed in a closed system. The entire process is dust-free, and the system is safe and stable.